From 83a1546e284002ef6840f82822226302c5eabfda Mon Sep 17 00:00:00 2001 From: Bartek Fabiszewski Date: Sun, 29 Dec 2019 22:50:51 +0100 Subject: [PATCH] Remove obsolete files --- js/ajax.js | 109 --------- js/auth.js | 96 -------- js/binder.js | 77 ------- js/bundle.js | 1 - js/chart.js | 172 -------------- js/config.js | 371 ------------------------------ js/constants.js | 117 ---------- js/data.js | 69 ------ js/event.js | 78 ------- js/list.js | 283 ----------------------- js/map.js | 147 ------------ js/modal.js | 145 ------------ js/ol.js | 2 - js/ol.js.map | 1 - js/position.js | 85 ------- js/track.js | 213 ------------------ js/trackdialog.js | 109 --------- js/tracklist.js | 242 -------------------- js/ui.js | 559 ---------------------------------------------- js/ulogger.js | 48 ---- js/user.js | 75 ------- js/userdialog.js | 179 --------------- js/userlist.js | 146 ------------ js/utils.js | 286 ------------------------ 24 files changed, 3610 deletions(-) delete mode 100644 js/ajax.js delete mode 100644 js/auth.js delete mode 100644 js/binder.js delete mode 100644 js/bundle.js delete mode 100644 js/chart.js delete mode 100644 js/config.js delete mode 100644 js/constants.js delete mode 100644 js/data.js delete mode 100644 js/event.js delete mode 100644 js/list.js delete mode 100644 js/map.js delete mode 100644 js/modal.js delete mode 100644 js/ol.js delete mode 100644 js/ol.js.map delete mode 100644 js/position.js delete mode 100644 js/track.js delete mode 100644 js/trackdialog.js delete mode 100644 js/tracklist.js delete mode 100644 js/ui.js delete mode 100644 js/ulogger.js delete mode 100644 js/user.js delete mode 100644 js/userdialog.js delete mode 100644 js/userlist.js delete mode 100644 js/utils.js diff --git a/js/ajax.js b/js/ajax.js deleted file mode 100644 index e5d5314..0000000 --- a/js/ajax.js +++ /dev/null @@ -1,109 +0,0 @@ -/* - * μlogger - * - * Copyright(C) 2019 Bartek Fabiszewski (www.fabiszewski.net) - * - * This is free software; you can redistribute it and/or modify it under - * the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see . - */ - -import uUtils from './utils.js'; - -export default class uAjax { - - /** - * Perform POST HTTP request - * @alias ajax - */ - static post(url, data, options) { - const params = options || {}; - params.method = 'POST'; - return this.ajax(url, data, params); - } - - /** - * Perform GET HTTP request - * @alias ajax - */ - static get(url, data, options) { - const params = options || {}; - params.method = 'GET'; - return this.ajax(url, data, params); - } - - /** - * Perform ajax HTTP request - * @param {string} url Request URL - * @param {Object|HTMLFormElement} [data] Optional request parameters: key/value pairs or form element - * @param {Object} [options] Optional options - * @param {string} [options.method='GET'] Optional query method, default 'GET' - * @return {Promise} - */ - static ajax(url, data, options) { - const params = []; - data = data || {}; - options = options || {}; - let method = options.method || 'GET'; - const xhr = new XMLHttpRequest(); - return new Promise((resolve, reject) => { - xhr.onreadystatechange = function () { - if (xhr.readyState !== 4) { return; } - let message = ''; - let error = true; - if (xhr.status === 200) { - const xml = xhr.responseXML; - if (xml) { - const root = xml.getElementsByTagName('root'); - if (root.length && uUtils.getNode(root[0], 'error') !== '1') { - if (resolve && typeof resolve === 'function') { - resolve(xml); - } - error = false; - } else if (root.length) { - const errorMsg = uUtils.getNode(root[0], 'message'); - if (errorMsg) { - message = errorMsg; - } - } - } - } - if (error && reject && typeof reject === 'function') { - reject(message); - } - }; - let body = null; - if (data instanceof HTMLFormElement) { - // noinspection JSCheckFunctionSignatures - body = new FormData(data); - method = 'POST'; - } else { - for (const key in data) { - if (data.hasOwnProperty(key)) { - params.push(key + '=' + encodeURIComponent(data[key])); - } - } - body = params.join('&'); - body = body.replace(/%20/g, '+'); - } - if (method === 'GET' && params.length) { - url += '?' + body; - body = null; - } - xhr.open(method, url, true); - if (method === 'POST' && !(data instanceof HTMLFormElement)) { - xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded'); - } - xhr.send(body); - }); - } -} diff --git a/js/auth.js b/js/auth.js deleted file mode 100644 index aec1af5..0000000 --- a/js/auth.js +++ /dev/null @@ -1,96 +0,0 @@ -/* - * μlogger - * - * Copyright(C) 2019 Bartek Fabiszewski (www.fabiszewski.net) - * - * This is free software; you can redistribute it and/or modify it under - * the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see . - */ - -import UserDialog from './userdialog.js'; -import { lang } from './constants.js'; -import uEvent from './event.js'; - -export default class uAuth { - - constructor() { - /** @type {boolean} */ - this._isAdmin = false; - /** @type {boolean} */ - this._isAuthenticated = false; - /** @type {?uUser} */ - this._user = null; - } - - /** - * @param {uUser} user - */ - set user(user) { - this._user = user; - this._isAuthenticated = true; - } - - /** - * @param {boolean} isAdmin - */ - set isAdmin(isAdmin) { - this._isAdmin = true; - } - - /** - * @return {boolean} - */ - get isAdmin() { - return this._isAdmin; - } - - /** - * @return {boolean} - */ - get isAuthenticated() { - return this._isAuthenticated; - } - - /** - * @return {?uUser} - */ - get user() { - return this._user; - } - - /** - * @param {uEvent} event - */ - handleEvent(event) { - if (event.type === uEvent.PASSWORD && this.isAuthenticated) { - this.changePassword(); - } - } - - /** - * @param {UserDialog=} modal - */ - changePassword(modal) { - const dialog = modal || new UserDialog('pass', this.user); - dialog.show() - .then((result) => this.user.changePass(result.data.password, result.data.oldPassword)) - .then(() => { - alert(lang.strings['actionsuccess']); - dialog.hide(); - }) - .catch((msg) => { - alert(`${lang.strings['actionfailure']}\n${msg}`); - this.changePassword(dialog); - }); - } -} diff --git a/js/binder.js b/js/binder.js deleted file mode 100644 index 68432ef..0000000 --- a/js/binder.js +++ /dev/null @@ -1,77 +0,0 @@ -/* - * μlogger - * - * Copyright(C) 2019 Bartek Fabiszewski (www.fabiszewski.net) - * - * This is free software; you can redistribute it and/or modify it under - * the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see . - */ - -import uEvent from './event.js'; - -export default class uBinder { - - constructor() { - /** @type {Map} */ - this.events = new Map(); - } - - /** - * @param {string} type - */ - addEvent(type) { - this.events.set(type, new uEvent(type)); - } - - /** - * @param {string} type - * @param {(Object|Function)} listener - */ - addEventListener(type, listener) { - if (!this.events.has(type)) { - this.addEvent(type); - } - if ((typeof listener === 'object') && - (typeof listener.handleEvent === 'function')) { - listener = listener.handleEvent.bind(listener); - } - if (typeof listener !== 'function') { - throw new Error(`Wrong listener type: ${typeof listener}`); - } - this.events.get(type).addListener(listener); - } - - /** - * @param {string} type - * @param {(Object|Function)} listener - */ - removeEventListener(type, listener) { - if (this.events.has(type)) { - if ((typeof listener === 'object') && - (typeof listener.handleEvent === 'function')) { - listener = listener.handleEvent; - } - this.events.get(type).removeListener(listener); - } - } - - /** - * @param {string} type - * @param {*=} args - */ - dispatchEvent(type, args) { - if (this.events.has(type)) { - this.events.get(type).dispatch(args); - } - } -} diff --git a/js/bundle.js b/js/bundle.js deleted file mode 100644 index cbf194d..0000000 --- a/js/bundle.js +++ /dev/null @@ -1 +0,0 @@ -!function(t){function e(i){if(n[i])return n[i].exports;var o=n[i]={i:i,l:!1,exports:{}};return t[i].call(o.exports,o,o.exports,e),o.l=!0,o.exports}var n={};e.m=t,e.c=n,e.d=function(t,n,i){e.o(t,n)||Object.defineProperty(t,n,{enumerable:!0,get:i})},e.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},e.t=function(t,n){if(1&n&&(t=e(t)),8&n)return t;if(4&n&&"object"==typeof t&&t&&t.__esModule)return t;var i=Object.create(null);if(e.r(i),Object.defineProperty(i,"default",{enumerable:!0,value:t}),2&n&&"string"!=typeof t)for(var o in t)e.d(i,o,function(e){return t[e]}.bind(null,o));return i},e.n=function(t){var n=t&&t.__esModule?function(){return t.default}:function(){return t};return e.d(n,"a",n),n},e.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},e.p="",e(e.s=0)}([function(t,e,n){"use strict";function i(t,e){for(var n,i=0;i/g,">")}},{key:"hexToRGBA",value:function(t,e){return"rgba("+(t=t.replace("#","")).match(new RegExp("(.{"+t.length/3+"})","g")).map(function(e){return parseInt(t.length%2?e+e:e,16)}).concat(e||1).join(",")+")"}},{key:"addCss",value:function(t,e){if(!e||!document.getElementById(e)){var n=document.createElement("link");n.type="text/css",n.rel="stylesheet",n.href=t,e&&(n.id=e),document.getElementsByTagName("head")[0].appendChild(n)}}},{key:"nodeFromHtml",value:function(t){var e=document.createElement("template");return e.innerHTML=t,e.content.firstChild}},{key:"nodesFromHtml",value:function(t){var e=document.createElement("template");return e.innerHTML=t,e.content.childNodes}},{key:"querySelectorInList",value:function(t,e){var n=!0,i=!1,o=void 0;try{for(var r,a,s=t[Symbol.iterator]();!(n=(r=s.next()).done);n=!0)if((a=r.value)instanceof HTMLElement){var c=a.querySelector(e);if(c)return c}}catch(t){i=!0,o=t}finally{try{n||null==s.return||s.return()}finally{if(i)throw o}}return null}},{key:"getNode",value:function(t,e){var n=t.getElementsByTagName(e);if(n.length){var i=n[0].childNodes;if(i.length)return i[0].nodeValue}return null}},{key:"getNodeAsFloat",value:function(e,n){var i=t.getNode(e,n);return null==i?null:parseFloat(i)}},{key:"getNodeAsInt",value:function(e,n){var i=t.getNode(e,n);return null==i?null:parseInt(i)}},{key:"getNodesArray",value:function(t,e){var n=t.getElementsByTagName(e);if(n.length){var i={},o=n[0].childNodes,r=!0,a=!1,s=void 0;try{for(var c,l,u=o[Symbol.iterator]();!(r=(c=u.next()).done);r=!0)(l=c.value).nodeType===Node.ELEMENT_NODE&&(i[l.nodeName]=l.firstChild?l.firstChild.nodeValue:"")}catch(t){a=!0,s=t}finally{try{r||null==u.return||u.return()}finally{if(a)throw s}}return i}return null}},{key:"getAttributeAsInt",value:function(t,e){var n=t.getAttribute(e);return null==n?null:parseInt(n)}},{key:"getTimeString",value:function(t){var e="";return{date:"".concat(t.getFullYear(),"-").concat("0".concat(t.getMonth()+1).slice(-2),"-").concat("0".concat(t.getDate()).slice(-2)),time:t.toTimeString().replace(/^\s*([^ ]+)([^(]*)(\([^)]*\))*/,function(t,n,i,o){return i&&(e=i.replace(/(0(?=[1-9]00))|(00\b)/g,""),o&&/[A-Z]/.test(o)&&(e+=o.match(/\b[A-Z]+/g).join(""))),n}),zone:e}}}]),t}();ft.toHMS=function(){var t=Math.floor,e=this,n=t(e/86400),i=t(e%86400/3600),o=t(e%86400%3600/60);return e=e%86400%3600%60,(0\n '),e="\n \n \n ');break;case"edit":t="update",n='
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"+Ct.strings.gmauthfailure,t+="

"+Ct.strings.gmapilink,jt.resolveModal(t)},window.gm_loaded=function(){Xt=!0};var Zt=null,Jt=null,Qt=null,$t=null,te=null,ee={},ne="openlayers",ie=null,oe=function(){function t(e){(function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")})(this,t),e.addEventListener(kt.API_CHANGE,this),e.addEventListener(kt.CHART_CLICKED,this),e.addEventListener(kt.TRACK_READY,this),e.addEventListener(kt.UI_READY,this),this.loadTime=0,this.savedBounds=null,this.api=null,this.mapElement=null,this.lastTrackId=null,this._binder=e,this.track=null}return function(t,e,n){e&&dt(t.prototype,e),n&&dt(t,n)}(t,[{key:"loadMapAPI",value:function(t){if(t){At.mapapi=t;try{this.savedBounds=this.api.getBounds()}catch(t){this.savedBounds=null}this.api.cleanup()}this.api="gmaps"===At.mapapi?pt:mt,this.waitAndInit()}},{key:"waitAndInit",value:function(){var t=this;if(1e4. - */ - -import { config, lang } from './constants.js'; -import uEvent from './event.js'; -import uUtils from './utils.js'; - -/* global Chartist */ - -document.addEventListener('DOMContentLoaded', () => { - Chart.onDomLoaded(); -}); - -export default class Chart { - /** - * @param {uBinder} binder - */ - constructor(binder) { - binder.addEventListener(uEvent.MARKER_OVER, this); - binder.addEventListener(uEvent.MARKER_SELECT, this); - binder.addEventListener(uEvent.TRACK_READY, this); - binder.addEventListener(uEvent.UI_READY, this); - this._binder = binder; - this._targetEl = null; - this._points = null; - } - - /** - * @return {Array<{x: number, y: number}>} - */ - get data() { - return this._data; - } - - render() { - if (!this._targetEl) { - return; - } - const chart = new Chartist.Line(this._targetEl, { - series: [ this.data ] - }, { - lineSmooth: true, - showArea: true, - axisX: { - type: Chartist.AutoScaleAxis, - onlyInteger: true, - showLabel: false - }, - plugins: [ - Chartist.plugins.ctAxisTitle({ - axisY: { - axisTitle: `${lang.strings['altitude']} (${config.unit_m})`, - axisClass: 'ct-axis-title', - offset: { - x: 0, - y: 20 - }, - textAnchor: 'middle', - flipTitle: true - } - }) - ] - }); - - chart.on('created', () => { - this._points = document.querySelectorAll('.ct-chart-line .ct-point'); - const len = this._points.length; - for (let i = 0; i < len; i++) { - ((id) => { - this._points[id].addEventListener('click', () => { - this._binder.dispatchEvent(uEvent.CHART_CLICKED, id); - }); - })(i); - } - this._binder.dispatchEvent(uEvent.CHART_READY, len); - }); - - // need to update chart first time the container becomes visible - if (!this.isVisible()) { - const observer = new MutationObserver(() => { - if (this.isVisible()) { - // eslint-disable-next-line no-underscore-dangle - this._targetEl.__chartist__.update(); - observer.disconnect(); - } - }); - observer.observe(this._targetEl.parentNode, { attributes: true }); - } - } - - isVisible() { - return this._targetEl && this._targetEl.parentNode && this._targetEl.parentNode.style.display === 'block'; - } - - static onDomLoaded() { - uUtils.addScript('js/lib/chartist.min.js', 'chartist_js', () => { - uUtils.addScript('js/lib/chartist-plugin-axistitle.min.js', 'chartist_axistitle_js'); - }); - uUtils.addCss('css/chartist.min.css', 'chartist_css'); - } - - /** - * @param {uEvent} event - * @param {*=} args - */ - handleEvent(event, args) { - if (event.type === uEvent.TRACK_READY) { - /** @type {uTrack} */ - const track = args; - this._data = track.plotData; - this.render() - } else if (event.type === uEvent.UI_READY) { - /** @type {uUI} */ - const ui = args; - this._targetEl = ui.chart; - } else if (event.type === uEvent.MARKER_OVER) { - /** @type {number} */ - const pointId = args; - if (pointId) { - this.pointOver(pointId); - } else { - this.pointOut(); - } - } else if (event.type === uEvent.MARKER_SELECT) { - /** @type {number} */ - const pointId = args; - if (pointId) { - this.pointSelect(pointId); - } else { - this.pointUnselect(); - } - } - } - - pointOver(pointId) { - if (this.isVisible()) { - const point = this._points[pointId]; - point.classList.add('ct-point-hilight'); - } - } - - pointOut() { - this._targetEl.querySelectorAll('.ct-point-hilight').forEach((el) => el.classList.remove('ct-point-hilight')); - } - - pointSelect(pointId) { - if (this.isVisible()) { - const point = this._points[pointId]; - point.classList.add('ct-point-selected'); - } - } - - pointUnselect() { - this._targetEl.querySelectorAll('.ct-point-selected').forEach((el) => el.classList.remove('ct-point-selected')); - } -} diff --git a/js/config.js b/js/config.js deleted file mode 100644 index 5778674..0000000 --- a/js/config.js +++ /dev/null @@ -1,371 +0,0 @@ -/* - * μlogger - * - * Copyright(C) 2019 Bartek Fabiszewski (www.fabiszewski.net) - * - * This is free software; you can redistribute it and/or modify it under - * the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see . - */ - -import uEvent from './event.js'; - -export default class uConfig { - - constructor() { - this.inititialize(); - } - - inititialize() { - this.interval = 10; - this.units = 'metric'; - this.mapapi = 'openlayers'; - this.gkey = null; - this.ol_layers = {}; - this.init_latitude = 52.23; - this.init_longitude = 21.01; - this.pass_regex = new RegExp('(?=.*[a-z])(?=.*[A-Z])(?=.*[0-9])(?=.{12,})'); - this.strokeWeight = 2; - this.strokeColor = '#ff0000'; - this.strokeOpacity = 1; - this.showLatest = false; - // marker colors - this.colorNormal = '#fff'; - this.colorStart = '#55b500'; - this.colorStop = '#ff6a00'; - this.colorExtra = '#ccc'; - this.colorHilite = '#feff6a'; - } - - /** - * - * @param {uBinder} binder - */ - set binder(binder) { - this._binder = binder; - } - - /** - * Dispatch event - * @param {string} property - */ - notify(property) { - if (this._binder) { - this._binder.dispatchEvent(uEvent.CONFIG, property); - } - } - - /** - * @return {number} - */ - get interval() { - return this._interval; - } - - /** - * @param {number} value - */ - set interval(value) { - this._interval = value; - } - - /** - * @return {string} - */ - get units() { - return this._units; - } - - /** - * @param {string} value - */ - set units(value) { - this._units = value; - if (this._units === 'imperial') { - this._factor_kmh = 0.62; // to mph - this._unit_kmh = 'mph'; - this._factor_m = 3.28; // to feet - this._unit_m = 'ft'; - this._factor_km = 0.62; // to miles - this._unit_km = 'mi'; - } else if (this._units === 'nautical') { - this._factor_kmh = 0.54; // to knots - this._unit_kmh = 'kt'; - this._factor_m = 1; // meters - this._unit_m = 'm'; - this._factor_km = 0.54; // to nautical miles - this._unit_km = 'nm'; - } else { - this._factor_kmh = 1; - this._unit_kmh = 'km/h'; - this._factor_m = 1; - this._unit_m = 'm'; - this._factor_km = 1; - this._unit_km = 'km'; - } - } - - /** - * @return {string} - */ - get mapapi() { - return this._mapapi; - } - - /** - * @param {string} value - */ - set mapapi(value) { - this._mapapi = value; - } - - /** - * @return {?string} - */ - get gkey() { - return this._gkey; - } - - /** - * @param {?string} value - */ - set gkey(value) { - this._gkey = value; - } - - /** - * @return {Object.} - */ - get ol_layers() { - return this._ol_layers; - } - - /** - * @param {Object.} value - */ - set ol_layers(value) { - this._ol_layers = value; - } - - /** - * @return {number} - */ - get init_latitude() { - return this._init_latitude; - } - - /** - * @param {number} value - */ - set init_latitude(value) { - this._init_latitude = value; - } - - /** - * @return {number} - */ - get init_longitude() { - return this._init_longitude; - } - - /** - * @param {number} value - */ - set init_longitude(value) { - this._init_longitude = value; - } - - /** - * @return {RegExp} - */ - get pass_regex() { - return this._pass_regex; - } - - /** - * @param {RegExp} value - */ - set pass_regex(value) { - this._pass_regex = value; - } - - /** - * @return {number} - */ - get strokeWeight() { - return this._strokeWeight; - } - - /** - * @param {number} value - */ - set strokeWeight(value) { - this._strokeWeight = value; - } - - /** - * @return {string} - */ - get strokeColor() { - return this._strokeColor; - } - - /** - * @param {string} value - */ - set strokeColor(value) { - this._strokeColor = value; - } - - /** - * @return {number} - */ - get strokeOpacity() { - return this._strokeOpacity; - } - - /** - * @param {number} value - */ - set strokeOpacity(value) { - this._strokeOpacity = value; - } - - /** - * @return {number} - */ - get factor_kmh() { - return this._factor_kmh; - } - - /** - * @return {string} - */ - get unit_kmh() { - return this._unit_kmh; - } - - /** - * @return {number} - */ - get factor_m() { - return this._factor_m; - } - - /** - * @return {string} - */ - get unit_m() { - return this._unit_m; - } - - /** - * @return {number} - */ - get factor_km() { - return this._factor_km; - } - - /** - * @return {string} - */ - get unit_km() { - return this._unit_km; - } - - /** - * @return {boolean} - */ - get showLatest() { - return this._showLatest; - } - - /** - * @param {boolean} value - */ - set showLatest(value) { - if (this._showLatest !== value) { - this._showLatest = value; - this.notify('showLatest'); - } - } - - /** - * @return {string} - */ - get colorNormal() { - return this._colorNormal; - } - - /** - * @param {string} value - */ - set colorNormal(value) { - this._colorNormal = value; - } - - /** - * @return {string} - */ - get colorStart() { - return this._colorStart; - } - - /** - * @param {string} value - */ - set colorStart(value) { - this._colorStart = value; - } - - /** - * @return {string} - */ - get colorStop() { - return this._colorStop; - } - - /** - * @param {string} value - */ - set colorStop(value) { - this._colorStop = value; - } - - /** - * @return {string} - */ - get colorExtra() { - return this._colorExtra; - } - - /** - * @param {string} value - */ - set colorExtra(value) { - this._colorExtra = value; - } - - /** - * @return {string} - */ - get colorHilite() { - return this._colorHilite; - } - - /** - * @param {string} value - */ - set colorHilite(value) { - this._colorHilite = value; - } -} diff --git a/js/constants.js b/js/constants.js deleted file mode 100644 index fdecdf7..0000000 --- a/js/constants.js +++ /dev/null @@ -1,117 +0,0 @@ -/* - * μlogger - * - * Copyright(C) 2019 Bartek Fabiszewski (www.fabiszewski.net) - * - * This is free software; you can redistribute it and/or modify it under - * the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see . - */ - -import uAuth from './auth.js'; -import uConfig from './config.js'; -import uUser from './user.js'; -import uUtils from './utils.js'; - -class uConstants { - - constructor() { - this.auth = {}; - this.config = {}; - this.lang = {}; - if (!this.loaded) { - this.initialize(); - } - } - - /** - * @return {?XMLDocument} - */ - static fetch() { - let xml = null; - const request = new XMLHttpRequest(); - request.open('GET', 'utils/getconstants.php', false); - request.send(null); - if (request.status === 200) { - xml = request.responseXML; - } - return xml; - } - - initialize() { - const xml = uConstants.fetch(); - if (xml) { - this.initAuth(xml); - this.initConfig(xml); - this.initLang(xml); - this.loaded = true; - } - } - - /** - * @param {XMLDocument} xml - */ - initAuth(xml) { - this.auth = new uAuth(); - const authNode = xml.getElementsByTagName('auth'); - if (authNode.length) { - const isAuthenticated = uUtils.getNodeAsInt(authNode[0], 'isAuthenticated') === 1; - if (isAuthenticated) { - const id = uUtils.getNodeAsInt(authNode[0], 'userId'); - const login = uUtils.getNode(authNode[0], 'userLogin'); - this.auth.user = new uUser(id, login); - this.auth.isAdmin = uUtils.getNodeAsInt(authNode[0], 'isAdmin') === 1; - } - } - } - - /** - * @param {XMLDocument} xml - */ - initLang(xml) { - const langNode = xml.getElementsByTagName('lang'); - if (langNode.length) { - /** @type {Object} */ - this.lang.strings = uUtils.getNodesArray(langNode[0], 'strings'); - } - } - - /** - * @param {XMLDocument} xml - */ - initConfig(xml) { - this.config = new uConfig(); - const configNode = xml.getElementsByTagName('config'); - if (configNode.length) { - this.config.interval = uUtils.getNodeAsInt(configNode[0], 'interval'); - this.config.units = uUtils.getNode(configNode[0], 'units'); - this.config.mapapi = uUtils.getNode(configNode[0], 'mapapi'); - this.config.gkey = uUtils.getNode(configNode[0], 'gkey'); - this.config.ol_layers = uUtils.getNodesArray(configNode[0], 'ol_layers'); - this.config.init_latitude = uUtils.getNodeAsFloat(configNode[0], 'init_latitude'); - this.config.init_longitude = uUtils.getNodeAsFloat(configNode[0], 'init_longitude'); - const re = uUtils.getNode(configNode[0], 'pass_regex'); - this.config.pass_regex = new RegExp(re.substr(1, re.length - 2)); - this.config.strokeWeight = uUtils.getNodeAsInt(configNode[0], 'strokeWeight'); - this.config.strokeColor = uUtils.getNode(configNode[0], 'strokeColor'); - this.config.strokeOpacity = uUtils.getNodeAsInt(configNode[0], 'strokeOpacity'); - } - } -} - -const constants = new uConstants(); -/** @type {uConfig} */ -export const config = constants.config; -/** @type {{strings: Object}} */ -export const lang = constants.lang; -/** @type {uAuth} */ -export const auth = constants.auth; diff --git a/js/data.js b/js/data.js deleted file mode 100644 index 1ac5899..0000000 --- a/js/data.js +++ /dev/null @@ -1,69 +0,0 @@ -/* - * μlogger - * - * Copyright(C) 2019 Bartek Fabiszewski (www.fabiszewski.net) - * - * This is free software; you can redistribute it and/or modify it under - * the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see . - */ - -/** - * @abstract - */ -export default class uData { - /** - * @param {number} key - * @param {string} value - * @param {string} keyProperty - * @param {string} valueProperty - */ - // eslint-disable-next-line max-params - constructor(key, value, keyProperty, valueProperty) { - this[keyProperty] = key; - this[valueProperty] = value; - Object.defineProperty(this, 'key', { - get() { - return this[keyProperty]; - } - }); - Object.defineProperty(this, 'value', { - get() { - return this[valueProperty]; - } - }); - } - - /** - * @param {uBinder} binder - */ - set binder(binder) { - this._binder = binder; - } - - /** - * @returns {uBinder} - */ - get binder() { - return this._binder; - } - - /** - * Dispatch event - * @param {string} type - * @param {*=} args Defaults to this - */ - emit(type, args) { - const data = args || this; - this.binder.dispatchEvent(type, data); - } -} diff --git a/js/event.js b/js/event.js deleted file mode 100644 index 4eba686..0000000 --- a/js/event.js +++ /dev/null @@ -1,78 +0,0 @@ -/* μlogger - * - * Copyright(C) 2019 Bartek Fabiszewski (www.fabiszewski.net) - * - * This is free software; you can redistribute it and/or modify it under - * the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see . - */ -/* eslint-disable lines-between-class-members */ - -/** - * class uEvent - * property {string} type - * property {Set} listeners - */ -export default class uEvent { - /** - * @param {string} type - */ - constructor(type) { - /** type {string} */ - this.type = type; - /** type {Set} */ - this.listeners = new Set(); - } - - static get ADD() { return 'µAdd'; } - static get API_CHANGE() { return 'µApiChange'; } - static get CHART_CLICKED() { return 'µChartClicked'; } - static get CONFIG() { return 'µConfig'; } - static get CHANGE() { return 'µChange'; } - static get CHART_READY() { return 'µChartReady'; } - static get EDIT() { return 'µEdit'; } - static get EXPORT() { return 'µExport'; } - static get IMPORT() { return 'µImport'; } - static get LOADER() { return 'µLoader'; } - static get MARKER_OVER() { return 'µMarkerOver'; } - static get MARKER_SELECT() { return 'µMarkerSelect'; } - static get OPEN_URL() { return 'µOpen'; } - static get PASSWORD() { return 'µPassword'; } - static get TRACK_READY() { return 'µTrackReady'; } - static get UI_READY() { return 'µUiReady'; } - - /** - * @param {Function} listener - */ - addListener(listener) { - this.listeners.add(listener); - } - - /** - * @param {Function} listener - */ - removeListener(listener) { - this.listeners.delete(listener); - } - - /** - * @param {*=} args - */ - dispatch(args) { - for (const listener of this.listeners) { - (async () => { - console.log(`${this.type}: ${args ? args.constructor.name : ''}`); - await listener(this, args); - })(); - } - } -} diff --git a/js/list.js b/js/list.js deleted file mode 100644 index 3a205b2..0000000 --- a/js/list.js +++ /dev/null @@ -1,283 +0,0 @@ -/* - * μlogger - * - * Copyright(C) 2019 Bartek Fabiszewski (www.fabiszewski.net) - * - * This is free software; you can redistribute it and/or modify it under - * the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see . - */ - -import uData from './data.js'; -import uEvent from './event.js'; -import uUtils from './utils.js'; - -/** - * @class uList - * @template T - */ -export default class uList { - - /** - * @param {string} selector - * @param {uBinder} binder - * @param {Class} type - * @template T - */ - constructor(selector, binder, type) { - /** @type {T[]} */ - this.data = []; - /** @type {uBinder} */ - this.binder = binder; - /** @type {boolean} */ - this._showAllOption = false; - /** @type {boolean} */ - this.hasHead = false; - this.headValue = ''; - this.allValue = ''; - /** @type {(T|uData)} */ - this.T = type || uData; - /** @type {HTMLSelectElement} */ - this.domElement = document.querySelector(selector); - if (this.binder) { - this.binder.addEventListener(uEvent.ADD, this); - this.binder.addEventListener(uEvent.CHANGE, this); - this.binder.addEventListener(uEvent.CONFIG, this); - this.binder.addEventListener(uEvent.EDIT, this); - } - - /** @type {string} */ - this.selectedId = ''; - this.fromDom(); - } - - /** - * @return {(T|null)} - * @template T - */ - get current() { - const i = parseInt(this.selectedId); - if (!isNaN(i)) { - return this.data.find((item) => item.key === i); - } - return null; - } - - /** - * @return {boolean} - */ - get isSelectedAllOption() { - return this.selectedId === 'all'; - } - - get showAllOption() { - return this._showAllOption; - } - - set showAllOption(value) { - if (this._showAllOption !== value) { - this._showAllOption = value; - if (value === false) { - this.selectDefault(); - } - this.render(); - this.onChange(); - } - } - - /** - * @param {number} id - * @param {boolean=} skipUpdate - */ - select(id, skipUpdate) { - this.selectedId = id.toString(); - this.render(); - if (!skipUpdate) { - this.onChange(); - } - } - - clear() { - this.domElement.options.length = 0; - this.data.length = 0; - this.selectedId = ''; - } - - /** - * Get list from XML structure - * @param {Element|Document} xml - * @param {string} key Name of key node - * @param {string} value Name of value node - */ - fromXml(xml, key, value) { - if (!xml) { - return; - } - for (const item of xml) { - const row = new this.T(uUtils.getNodeAsInt(item, key), uUtils.getNode(item, value)); - this.updateDataRow(row); - row.binder = this.binder; - this.data.push(row); - } - if (this.data.length) { - this.selectedId = this.data[0].key.toString(); - } - this.render(); - this.onChange(); - } - - /** - * Initialize list from DOM select element options - */ - fromDom() { - if (!this.domElement) { - return; - } - for (const option of this.domElement) { - if (option.value === 'all') { - this._showAllOption = true; - } else if (!option.disabled) { - const row = new this.T(parseInt(option.value), option.innerText); - this.updateDataRow(row); - row.binder = this.binder; - this.data.push(row); - } - if (option.selected) { - this.selectedId = option.value; - } - } - } - - /** - * @param {uEvent} event - * @param {*=} eventData - */ - handleEvent(event, eventData) { - if (event.type === uEvent.CHANGE && eventData.el === this.domElement) { - this.selectedId = eventData.id; - this.onChange(); - } else if (event.type === uEvent.EDIT && eventData === this.domElement) { - this.onEdit(); - } else if (event.type === uEvent.ADD && eventData === this.domElement) { - this.onAdd(); - } else if (event.type === uEvent.CONFIG) { - this.onConfigChange(eventData); - } - } - - // /** - // * @param {T[]} data - // */ - // set list(data) { - // this.data = data; - // } - - /** - * Add item - * @param {T} item - * @template T - */ - add(item) { - this.data.push(item); - this.render(); - } - - /** - * @param {number} id - * @return {boolean} - */ - has(id) { - return this.data.findIndex((o) => o.key === id) !== -1; - } - - /** - * Remove item - * @param {number} id - */ - remove(id) { - const currentId = this.current.key; - this.data.splice(this.data.findIndex((o) => o.key === id), 1); - if (id === currentId) { - this.selectDefault(); - this.onChange(); - } - this.render(); - } - - selectDefault() { - if (this.data.length) { - this.selectedId = this.data[0].key.toString(); - } else { - this.selectedId = ''; - } - } - - render() { - this.domElement.options.length = 0; - if (this.hasHead) { - const head = new Option(this.headValue, '0', true, this.selectedId === '0'); - head.disabled = true; - this.domElement.options.add(head); - } - if (this._showAllOption) { - this.domElement.options.add(new Option(this.allValue, 'all')); - } - for (const item of this.data) { - this.domElement.options.add(new Option(item.value, item.key.toString(), false, item.key.toString() === this.selectedId)); - } - } - - - /** - * @param {T} row - * @template T - */ - // eslint-disable-next-line no-unused-vars,no-empty-function,class-methods-use-this - updateDataRow(row) { - } - - /** - * @abstract - */ - // eslint-disable-next-line no-unused-vars,no-empty-function,class-methods-use-this - onChange() { - } - - /** - * @abstract - */ - // eslint-disable-next-line no-unused-vars,no-empty-function,class-methods-use-this - onEdit() { - } - - /** - * @abstract - */ - // eslint-disable-next-line no-unused-vars,no-empty-function,class-methods-use-this - onReload() { - } - - /** - * @abstract - */ - // eslint-disable-next-line no-unused-vars,no-empty-function,class-methods-use-this - onAdd() { - } - - /** - * @abstract - * @param {string} property - */ - // eslint-disable-next-line no-unused-vars,no-empty-function,class-methods-use-this - onConfigChange(property) { - } -} diff --git a/js/map.js b/js/map.js deleted file mode 100644 index ada8815..0000000 --- a/js/map.js +++ /dev/null @@ -1,147 +0,0 @@ -/* - * μlogger - * - * Copyright(C) 2019 Bartek Fabiszewski (www.fabiszewski.net) - * - * This is free software; you can redistribute it and/or modify it under - * the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see . - */ - -import * as gmApi from './mapapi/api_gmaps.js'; -import * as olApi from './mapapi/api_openlayers.js'; -import { config, lang } from './constants.js'; -import uEvent from './event.js'; -import { uLogger } from './ulogger.js'; -import uUtils from './utils.js'; - -/** - * @typedef {Object} uMap.api - * @memberOf uMap - * @type {Object} - * @property {string} name - * @property {function(uBinder, HTMLElement)} init - * @property {function} cleanup - * @property {function(uTrack, boolean)} displayTrack - * @property {function} clearMap - * @property {function(number)} animateMarker - * @property {function} getBounds - * @property {function} zoomToExtent - * @property {function} zoomToBounds - * @property {function} updateSize - */ - -/** - * @class uMap - * @property {number} loadTime - * @property {?Array} savedBounds - * @property {?(gmApi|olApi)} api - * @property {?HTMLElement} mapElement - */ -export default class uMap { - - /** - * @param {uBinder} binder - */ - constructor(binder) { - binder.addEventListener(uEvent.API_CHANGE, this); - binder.addEventListener(uEvent.CHART_CLICKED, this); - binder.addEventListener(uEvent.TRACK_READY, this); - binder.addEventListener(uEvent.UI_READY, this); - this.loadTime = 0; - this.savedBounds = null; - this.api = null; - this.mapElement = null; - this.lastTrackId = null; - this._binder = binder; - this.track = null; - } - - /** - * Dynamic change of map api - * @param {string=} apiName API name - */ - loadMapAPI(apiName) { - if (apiName) { - config.mapapi = apiName; - try { - this.savedBounds = this.api.getBounds(); - } catch (e) { - this.savedBounds = null; - } - this.api.cleanup(); - } - if (config.mapapi === 'gmaps') { - this.api = gmApi; - } else { - this.api = olApi; - } - this.waitAndInit(); - } - - /** - * Try to initialize map engine - */ - waitAndInit() { - // wait till main api loads - if (this.loadTime > 10000) { - this.loadTime = 0; - alert(uUtils.sprintf(lang.strings['apifailure'], config.mapapi)); - return; - } - try { - this.api.init(this._binder, this.mapElement); - } catch (e) { - setTimeout(() => { - this.loadTime += 50; - this.waitAndInit(); - }, 50); - return; - } - this.loadTime = 0; - if (this.savedBounds) { - this.api.zoomToBounds(this.savedBounds); - } - uLogger.trackList.onChange(); - // save current api as default - uUtils.setCookie('api', config.mapapi, 30); - } - - /** - * - * @param {uEvent} event - * @param {*=} args - */ - handleEvent(event, args) { - if (event.type === uEvent.TRACK_READY) { - /** @type {uTrack} */ - const track = args; - this.api.clearMap(); - const onlyReload = track.id !== this.lastTrackId; - this.api.displayTrack(track, onlyReload); - this.lastTrackId = track.id; - } else if (event.type === uEvent.UI_READY) { - /** @type {uUI} */ - const ui = args; - this.mapElement = ui.map; - this.loadMapAPI(); - } else if (event.type === uEvent.API_CHANGE) { - /** @type {string} */ - const api = args; - this.loadMapAPI(api); - } else if (event.type === uEvent.CHART_CLICKED) { - /** @type {number} */ - const id = args; - this.api.animateMarker(id); - } - } -} diff --git a/js/modal.js b/js/modal.js deleted file mode 100644 index c1c9c08..0000000 --- a/js/modal.js +++ /dev/null @@ -1,145 +0,0 @@ -/* - * μlogger - * - * Copyright(C) 2019 Bartek Fabiszewski (www.fabiszewski.net) - * - * This is free software; you can redistribute it and/or modify it under - * the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see . - */ - -import { lang } from './constants.js'; - -/** - * @typedef {Object} ModalResult - * @property {boolean} cancelled Was dialog cancelled - * @property {string} [action] Click action name - * @property {Object} [data] Additional data - */ - -/** - * @callback ModalCallback - * @param {ModalResult} result - */ - -export default class uModal { - - /** - * Builds modal dialog - * Positive click handlers bound to elements with class 'button-resolve'. - * Negative click handlers bound to elements with class 'button-reject'. - * Optional attribute 'data-action' value is returned in {@link ModalResult.action} - * @param {(string|Node|NodeList|Array.)} content - */ - constructor(content) { - const modal = document.createElement('div'); - modal.setAttribute('id', 'modal'); - const modalHeader = document.createElement('div'); - modalHeader.setAttribute('id', 'modal-header'); - const buttonClose = document.createElement('button'); - buttonClose.setAttribute('id', 'modal-close'); - buttonClose.setAttribute('type', 'button'); - buttonClose.setAttribute('class', 'button-reject'); - const img = document.createElement('img'); - img.setAttribute('src', 'images/close.svg'); - img.setAttribute('alt', lang.strings['close']); - buttonClose.append(img); - modalHeader.append(buttonClose); - modal.append(modalHeader); - const modalBody = document.createElement('div'); - modalBody.setAttribute('id', 'modal-body'); - if (typeof content === 'string') { - modalBody.innerHTML = content; - } else if (content instanceof NodeList || content instanceof Array) { - for (const node of content) { - modalBody.append(node); - } - } else { - modalBody.append(content); - } - modal.append(modalBody); - this._modal = modal; - this.visible = false; - } - - /** - * @return {HTMLDivElement} - */ - get modal() { - return this._modal; - } - - /** - * Show modal dialog - * @returns {Promise} - */ - show() { - return new Promise((resolve) => { - this.addListeners(resolve); - if (!this.visible) { - document.body.append(this._modal); - } - }); - } - - /** - * Add listeners - * @param {ModalCallback} resolve callback - */ - addListeners(resolve) { - this._modal.querySelectorAll('.button-resolve').forEach((el) => { - el.addEventListener('click', () => { - uModal.onClick(el, resolve, { cancelled: false, action: el.getAttribute('data-action') }); - }); - }); - this._modal.querySelectorAll('.button-reject').forEach((el) => { - el.addEventListener('click', () => { - uModal.onClick(el, resolve, { cancelled: true }); - }); - }); - } - - /** - * On click action - * Handles optional confirmation dialog - * @param {Element} el Clicked element - * @param {ModalCallback} resolve callback - * @param {ModalResult} result - */ - static onClick(el, resolve, result) { - const confirm = el.getAttribute('data-confirm'); - let proceed = true; - if (confirm) { - proceed = this.isConfirmed(confirm); - } - if (proceed) { - resolve(result); - } - } - - /** - * Show confirmation dialog and return user decision - * @param {string} message - * @return {boolean} True if confirmed, false otherwise - */ - static isConfirmed(message) { - return confirm(message); - } - - /** - * Remove modal dialog - */ - hide() { - document.body.removeChild(this._modal); - this.visible = false - } -} diff --git a/js/ol.js b/js/ol.js deleted file mode 100644 index 72e4ba1..0000000 --- a/js/ol.js +++ /dev/null @@ -1,2 +0,0 @@ -var ol=function(t){var e={};function i(n){if(e[n])return e[n].exports;var r=e[n]={i:n,l:!1,exports:{}};return t[n].call(r.exports,r,r.exports,i),r.l=!0,r.exports}return i.m=t,i.c=e,i.d=function(t,e,n){i.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:n})},i.r=function(t){"undefined"!=typeof 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e=t.originalEvent.target.tagName;return"INPUT"!==e&&"SELECT"!==e&&"TEXTAREA"!==e},at=function(t){var e=t.pointerEvent;return Object(x.a)(void 0!==e,56),"mouse"==e.pointerType};function ht(t){for(var e=t.length,i=0,n=0,r=0;r0}}else if(t.type==u.POINTERDOWN){var n=this.handleDownEvent(t);n&&t.preventDefault(),this.handlingDownUpSequence=n,e=this.stopDown(n)}else t.type==u.POINTERMOVE&&this.handleMoveEvent(t);return!e},e.prototype.handleMoveEvent=function(t){},e.prototype.handleUpEvent=function(t){return!1},e.prototype.stopDown=function(t){return t},e.prototype.updateTrackedPointers_=function(t){if(function(t){var e=t.type;return e===u.POINTERDOWN||e===u.POINTERDRAG||e===u.POINTERUP}(t)){var e=t.pointerEvent,i=e.pointerId.toString();t.type==u.POINTERUP?delete this.trackedPointers_[i]:t.type==u.POINTERDOWN?this.trackedPointers_[i]=e:i in this.trackedPointers_&&(this.trackedPointers_[i]=e),this.targetPointers=Object(C.c)(this.trackedPointers_)}},e}(q),lt=function(t){function 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e=t.map,i=e.getView();if(0===this.targetPointers.length){if(!this.noKinetic_&&this.kinetic_&&this.kinetic_.end()){var n=this.kinetic_.getDistance(),r=this.kinetic_.getAngle(),o=i.getCenter(),s=e.getPixelFromCoordinate(o),a=e.getCoordinateFromPixel([s[0]-n*Math.cos(r),s[1]-n*Math.sin(r)]);i.animate({center:i.constrainCenter(a),duration:500,easing:W.b})}return this.panning_&&(this.panning_=!1,i.setHint(j.a.INTERACTING,-1)),!1}return this.kinetic_&&this.kinetic_.begin(),this.lastCentroid=null,!0},e.prototype.handleDownEvent=function(t){if(this.targetPointers.length>0&&this.condition_(t)){var e=t.map.getView();return this.lastCentroid=null,e.getAnimating()&&e.setCenter(t.frameState.viewState.center),this.kinetic_&&this.kinetic_.begin(),this.noKinetic_=this.targetPointers.length>1,!0}return!1},e}(ct),ut=i(48),pt=function(t){function e(e){var i=e||{};t.call(this,{stopDown:M.a}),this.condition_=i.condition?i.condition:tt,this.lastAngle_=void 0,this.duration_=void 0!==i.duration?i.duration:250}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.handleDragEvent=function(t){if(at(t)){var e=t.map,i=e.getView();if(i.getConstraints().rotation!==ut.c){var n=e.getSize(),r=t.pixel,o=Math.atan2(n[1]/2-r[1],r[0]-n[0]/2);if(void 0!==this.lastAngle_){var s=o-this.lastAngle_;H(i,i.getRotation()-s)}this.lastAngle_=o}}},e.prototype.handleUpEvent=function(t){if(!at(t))return!0;var e=t.map.getView();return e.setHint(j.a.INTERACTING,-1),V(e,e.getRotation(),void 0,this.duration_),!1},e.prototype.handleDownEvent=function(t){return!!at(t)&&(!(!nt(t)||!this.condition_(t))&&(t.map.getView().setHint(j.a.INTERACTING,1),this.lastAngle_=void 0,!0))},e}(ct),dt=i(56),ft=i(62),_t=function(t){function e(e){t.call(this),this.geometry_=null,this.element_=document.createElement("div"),this.element_.style.position="absolute",this.element_.className="ol-box "+e,this.map_=null,this.startPixel_=null,this.endPixel_=null}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.disposeInternal=function(){this.setMap(null)},e.prototype.render_=function(){var t=this.startPixel_,e=this.endPixel_,i=this.element_.style;i.left=Math.min(t[0],e[0])+"px",i.top=Math.min(t[1],e[1])+"px",i.width=Math.abs(e[0]-t[0])+"px",i.height=Math.abs(e[1]-t[1])+"px"},e.prototype.setMap=function(t){if(this.map_){this.map_.getOverlayContainer().removeChild(this.element_);var e=this.element_.style;e.left=e.top=e.width=e.height="inherit"}this.map_=t,this.map_&&this.map_.getOverlayContainer().appendChild(this.element_)},e.prototype.setPixels=function(t,e){this.startPixel_=t,this.endPixel_=e,this.createOrUpdateGeometry(),this.render_()},e.prototype.createOrUpdateGeometry=function(){var t=this.startPixel_,e=this.endPixel_,i=[t,[t[0],e[1]],e,[e[0],t[1]]].map(this.map_.getCoordinateFromPixel,this.map_);i[4]=i[0].slice(),this.geometry_?this.geometry_.setCoordinates([i]):this.geometry_=new ft.a([i])},e.prototype.getGeometry=function(){return this.geometry_},e}(dt.a),gt="boxstart",vt="boxdrag",yt="boxend",mt=function(t){function e(e,i,n){t.call(this,e),this.coordinate=i,this.mapBrowserEvent=n}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(s.a);function bt(){var t=this.getMap(),e=t.getView(),i=t.getSize(),n=this.getGeometry().getExtent();if(this.out_){var r=e.calculateExtent(i),o=Object(L.n)([t.getPixelFromCoordinate(Object(L.v)(n)),t.getPixelFromCoordinate(Object(L.D)(n))]),s=e.getResolutionForExtent(o,i);Object(L.J)(r,1/s),n=r}var a=e.constrainResolution(e.getResolutionForExtent(n,i)),h=Object(L.x)(n);h=e.constrainCenter(h),e.animate({resolution:a,center:h,duration:this.duration_,easing:W.b})}var Ot=function(t){function e(e){var i=e||{},n=i.condition?i.condition:ot;t.call(this,{condition:n,className:i.className||"ol-dragzoom",onBoxEnd:bt}),this.duration_=void 0!==i.duration?i.duration:200,this.out_=void 0!==i.out&&i.out}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(function(t){function e(e){t.call(this);var i=e||{};this.box_=new _t(i.className||"ol-dragbox"),this.minArea_=void 0!==i.minArea?i.minArea:64,this.onBoxEnd_=i.onBoxEnd?i.onBoxEnd:M.c,this.startPixel_=null,this.condition_=i.condition?i.condition:it,this.boxEndCondition_=i.boxEndCondition?i.boxEndCondition:this.defaultBoxEndCondition}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.defaultBoxEndCondition=function(t,e,i){var n=i[0]-e[0],r=i[1]-e[1];return n*n+r*r>=this.minArea_},e.prototype.getGeometry=function(){return this.box_.getGeometry()},e.prototype.handleDragEvent=function(t){at(t)&&(this.box_.setPixels(this.startPixel_,t.pixel),this.dispatchEvent(new mt(vt,t.coordinate,t)))},e.prototype.handleUpEvent=function(t){return!at(t)||(this.box_.setMap(null),this.boxEndCondition_(t,this.startPixel_,t.pixel)&&(this.onBoxEnd_(t),this.dispatchEvent(new mt(yt,t.coordinate,t))),!1)},e.prototype.handleDownEvent=function(t){return!!at(t)&&(!(!nt(t)||!this.condition_(t))&&(this.startPixel_=t.pixel,this.box_.setMap(t.map),this.box_.setPixels(this.startPixel_,this.startPixel_),this.dispatchEvent(new mt(gt,t.coordinate,t)),!0))},e}(ct)),Et={LEFT:37,UP:38,RIGHT:39,DOWN:40};function Tt(t){var e=!1;if(t.type==l.a.KEYDOWN){var i=t.originalEvent.keyCode;if(this.condition_(t)&&(i==Et.DOWN||i==Et.LEFT||i==Et.RIGHT||i==Et.UP)){var n=t.map.getView(),r=n.getResolution()*this.pixelDelta_,o=0,s=0;i==Et.DOWN?s=-r:i==Et.LEFT?o=-r:i==Et.RIGHT?o=r:s=r;var a=[o,s];Object($.c)(a,n.getRotation()),function(t,e,i){var n=t.getCenter();if(n){var r=t.constrainCenter([n[0]+e[0],n[1]+e[1]]);i?t.animate({duration:i,easing:W.d,center:r}):t.setCenter(r)}}(n,a,this.duration_),t.preventDefault(),e=!0}}return!e}var xt=function(t){function e(e){t.call(this,{handleEvent:Tt});var i=e||{};this.defaultCondition_=function(t){return rt(t)&&st(t)},this.condition_=void 0!==i.condition?i.condition:this.defaultCondition_,this.duration_=void 0!==i.duration?i.duration:100,this.pixelDelta_=void 0!==i.pixelDelta?i.pixelDelta:128}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(q);function Ct(t){var e=!1;if(t.type==l.a.KEYDOWN||t.type==l.a.KEYPRESS){var i=t.originalEvent.charCode;if(this.condition_(t)&&(i=="+".charCodeAt(0)||i=="-".charCodeAt(0))){var n=t.map,r=i=="+".charCodeAt(0)?this.delta_:-this.delta_;B(n.getView(),r,void 0,this.duration_),t.preventDefault(),e=!0}}return!e}var Rt=function(t){function e(e){t.call(this,{handleEvent:Ct});var i=e||{};this.condition_=i.condition?i.condition:st,this.delta_=i.delta?i.delta:1,this.duration_=void 0!==i.duration?i.duration:100}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(q),St="trackpad",It="wheel",jt=function(t){function e(e){var i=e||{};t.call(this,i),this.delta_=0,this.duration_=void 0!==i.duration?i.duration:250,this.timeout_=void 0!==i.timeout?i.timeout:80,this.useAnchor_=void 0===i.useAnchor||i.useAnchor,this.constrainResolution_=i.constrainResolution||!1,this.condition_=i.condition?i.condition:it,this.lastAnchor_=null,this.startTime_=void 0,this.timeoutId_,this.mode_=void 0,this.trackpadEventGap_=400,this.trackpadTimeoutId_,this.trackpadDeltaPerZoom_=300,this.trackpadZoomBuffer_=1.5}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.decrementInteractingHint_=function(){this.trackpadTimeoutId_=void 0,this.getMap().getView().setHint(j.a.INTERACTING,-1)},e.prototype.handleEvent=function(t){if(!this.condition_(t))return!0;var e=t.type;if(e!==l.a.WHEEL&&e!==l.a.MOUSEWHEEL)return!0;t.preventDefault();var i,n=t.map,r=t.originalEvent;if(this.useAnchor_&&(this.lastAnchor_=t.coordinate),t.type==l.a.WHEEL?(i=r.deltaY,c.c&&r.deltaMode===WheelEvent.DOM_DELTA_PIXEL&&(i/=c.b),r.deltaMode===WheelEvent.DOM_DELTA_LINE&&(i*=40)):t.type==l.a.MOUSEWHEEL&&(i=-r.wheelDeltaY,c.g&&(i/=3)),0===i)return!1;var o=Date.now();if(void 0===this.startTime_&&(this.startTime_=o),(!this.mode_||o-this.startTime_>this.trackpadEventGap_)&&(this.mode_=Math.abs(i)<4?St:It),this.mode_===St){var s=n.getView();this.trackpadTimeoutId_?clearTimeout(this.trackpadTimeoutId_):s.setHint(j.a.INTERACTING,1),this.trackpadTimeoutId_=setTimeout(this.decrementInteractingHint_.bind(this),this.trackpadEventGap_);var a=s.getResolution()*Math.pow(2,i/this.trackpadDeltaPerZoom_),h=s.getMinResolution(),u=s.getMaxResolution(),p=0;if(au&&(a=Math.min(a,u*this.trackpadZoomBuffer_),p=-1),this.lastAnchor_){var d=s.calculateCenterZoom(a,this.lastAnchor_);s.setCenter(s.constrainCenter(d))}return s.setResolution(a),0===p&&this.constrainResolution_&&s.animate({resolution:s.constrainResolution(a,i>0?-1:1),easing:W.b,anchor:this.lastAnchor_,duration:this.duration_}),p>0?s.animate({resolution:h,easing:W.b,anchor:this.lastAnchor_,duration:500}):p<0&&s.animate({resolution:u,easing:W.b,anchor:this.lastAnchor_,duration:500}),this.startTime_=o,!1}this.delta_+=i;var f=Math.max(this.timeout_-(o-this.startTime_),0);return clearTimeout(this.timeoutId_),this.timeoutId_=setTimeout(this.handleWheelZoom_.bind(this,n),f),!1},e.prototype.handleWheelZoom_=function(t){var e=t.getView();e.getAnimating()&&e.cancelAnimations();B(e,-Object(U.a)(this.delta_,-1,1),this.lastAnchor_,this.duration_),this.mode_=void 0,this.delta_=0,this.lastAnchor_=null,this.startTime_=void 0,this.timeoutId_=void 0},e.prototype.setMouseAnchor=function(t){this.useAnchor_=t,t||(this.lastAnchor_=null)},e}(q),wt=function(t){function e(e){var i=e||{},n=i;n.stopDown||(n.stopDown=M.a),t.call(this,n),this.anchor_=null,this.lastAngle_=void 0,this.rotating_=!1,this.rotationDelta_=0,this.threshold_=void 0!==i.threshold?i.threshold:.3,this.duration_=void 0!==i.duration?i.duration:250}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.handleDragEvent=function(t){var e=0,i=this.targetPointers[0],n=this.targetPointers[1],r=Math.atan2(n.clientY-i.clientY,n.clientX-i.clientX);if(void 0!==this.lastAngle_){var o=r-this.lastAngle_;this.rotationDelta_+=o,!this.rotating_&&Math.abs(this.rotationDelta_)>this.threshold_&&(this.rotating_=!0),e=o}this.lastAngle_=r;var s=t.map,a=s.getView();if(a.getConstraints().rotation!==ut.c){var h=s.getViewport().getBoundingClientRect(),c=ht(this.targetPointers);if(c[0]-=h.left,c[1]-=h.top,this.anchor_=s.getCoordinateFromPixel(c),this.rotating_){var l=a.getRotation();s.render(),H(a,l+e,this.anchor_)}}},e.prototype.handleUpEvent=function(t){if(this.targetPointers.length<2){var e=t.map.getView();if(e.setHint(j.a.INTERACTING,-1),this.rotating_)V(e,e.getRotation(),this.anchor_,this.duration_);return!1}return!0},e.prototype.handleDownEvent=function(t){if(this.targetPointers.length>=2){var e=t.map;return this.anchor_=null,this.lastAngle_=void 0,this.rotating_=!1,this.rotationDelta_=0,this.handlingDownUpSequence||e.getView().setHint(j.a.INTERACTING,1),!0}return!1},e}(ct),Lt=function(t){function e(e){var i=e||{},n=i;n.stopDown||(n.stopDown=M.a),t.call(this,n),this.constrainResolution_=i.constrainResolution||!1,this.anchor_=null,this.duration_=void 0!==i.duration?i.duration:400,this.lastDistance_=void 0,this.lastScaleDelta_=1}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.handleDragEvent=function(t){var e=1,i=this.targetPointers[0],n=this.targetPointers[1],r=i.clientX-n.clientX,o=i.clientY-n.clientY,s=Math.sqrt(r*r+o*o);void 0!==this.lastDistance_&&(e=this.lastDistance_/s),this.lastDistance_=s;var a=t.map,h=a.getView(),c=h.getResolution(),l=h.getMaxResolution(),u=h.getMinResolution(),p=c*e;p>l?(e=l/c,p=l):pe.getMaxResolution()){var n=this.lastScaleDelta_-1;!function(t,e,i,n,r){Z(t,e=t.constrainResolution(e,0,r),i,n)}(e,i,this.anchor_,this.duration_,n)}return!1}return!0},e.prototype.handleDownEvent=function(t){if(this.targetPointers.length>=2){var e=t.map;return this.anchor_=null,this.lastDistance_=void 0,this.lastScaleDelta_=1,this.handlingDownUpSequence||e.getView().setHint(j.a.INTERACTING,1),!0}return!1},e}(ct);var Mt=i(40),Pt=function(t){function e(e,i,n,r){t.call(this),this.extent=e,this.pixelRatio_=n,this.resolution=i,this.state=r}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.changed=function(){this.dispatchEvent(l.a.CHANGE)},e.prototype.getExtent=function(){return this.extent},e.prototype.getImage=function(){return Object(n.b)()},e.prototype.getPixelRatio=function(){return this.pixelRatio_},e.prototype.getResolution=function(){return this.resolution},e.prototype.getState=function(){return this.state},e.prototype.load=function(){Object(n.b)()},e}(f.a),Ft=i(18),At=function(t){function e(e,i,n,r,o){var s=void 0!==o?Ft.a.IDLE:Ft.a.LOADED;t.call(this,e,i,n,s),this.loader_=void 0!==o?o:null,this.canvas_=r,this.error_=null}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getError=function(){return this.error_},e.prototype.handleLoad_=function(t){t?(this.error_=t,this.state=Ft.a.ERROR):this.state=Ft.a.LOADED,this.changed()},e.prototype.load=function(){this.state==Ft.a.IDLE&&(this.state=Ft.a.LOADING,this.changed(),this.loader_(this.handleLoad_.bind(this)))},e.prototype.getImage=function(){return this.canvas_},e}(Pt),Dt=i(37),Nt=i(15),kt=i(73),Gt=i(14),Yt=i(44),Xt=function(t){function e(e,i,n,r,o){t.call(this,e),this.vectorContext=i,this.frameState=n,this.context=r,this.glContext=o}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(s.a),zt=i(4),Wt=i(39),Kt=i(5),Ut=i(45),Vt=i(33),Ht=function(){};Ht.prototype.drawCustom=function(t,e,i){},Ht.prototype.drawGeometry=function(t){},Ht.prototype.setStyle=function(t){},Ht.prototype.drawCircle=function(t,e){},Ht.prototype.drawFeature=function(t,e){},Ht.prototype.drawGeometryCollection=function(t,e){},Ht.prototype.drawLineString=function(t,e){},Ht.prototype.drawMultiLineString=function(t,e){},Ht.prototype.drawMultiPoint=function(t,e){},Ht.prototype.drawMultiPolygon=function(t,e){},Ht.prototype.drawPoint=function(t,e){},Ht.prototype.drawPolygon=function(t,e){},Ht.prototype.drawText=function(t,e){},Ht.prototype.setFillStrokeStyle=function(t,e){},Ht.prototype.setImageStyle=function(t,e){},Ht.prototype.setTextStyle=function(t,e){};var Bt=Ht,Zt=function(t){function e(e,i,n,r,o){t.call(this),this.context_=e,this.pixelRatio_=i,this.extent_=n,this.transform_=r,this.viewRotation_=o,this.contextFillState_=null,this.contextStrokeState_=null,this.contextTextState_=null,this.fillState_=null,this.strokeState_=null,this.image_=null,this.imageAnchorX_=0,this.imageAnchorY_=0,this.imageHeight_=0,this.imageOpacity_=0,this.imageOriginX_=0,this.imageOriginY_=0,this.imageRotateWithView_=!1,this.imageRotation_=0,this.imageScale_=0,this.imageWidth_=0,this.text_="",this.textOffsetX_=0,this.textOffsetY_=0,this.textRotateWithView_=!1,this.textRotation_=0,this.textScale_=0,this.textFillState_=null,this.textStrokeState_=null,this.textState_=null,this.pixelCoordinates_=[],this.tmpLocalTransform_=Object(k.c)()}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.drawImages_=function(t,e,i,n){if(this.image_){var r=Object(Vt.c)(t,e,i,2,this.transform_,this.pixelCoordinates_),o=this.context_,s=this.tmpLocalTransform_,a=o.globalAlpha;1!=this.imageOpacity_&&(o.globalAlpha=a*this.imageOpacity_);var h=this.imageRotation_;this.imageRotateWithView_&&(h+=this.viewRotation_);for(var c=0,l=r.length;c=0;--h){var d=l[h],f=d.layer;if(Object(Yt.b)(d,c)&&o.call(s,f))if(a=this.getLayerRenderer(f).forEachLayerAtCoordinate(p,e,i,n,r))return a}},e.prototype.registerLayerRenderers=function(e){t.prototype.registerLayerRenderers.call(this,e);for(var i=0,n=e.length;if[2])d=[g+_*Math.ceil((f[0]-g)/_),t[1]]}var v,y=e.layerStatesArray;for(v=y.length-1;v>=0;--v){var m=y[v],b=m.layer;if(Object(Yt.b)(m,l)&&s.call(a,b)){var O=this.getLayerRenderer(b),E=b.getSource();if(E&&(h=O.forEachFeatureAtCoordinate(E.getWrapX()?d:t,e,i,u)),h)return h}}},e.prototype.forEachLayerAtPixel=function(t,e,i,r,o,s,a){return Object(n.b)()},e.prototype.hasFeatureAtCoordinate=function(t,e,i,n,r){return void 0!==this.forEachFeatureAtCoordinate(t,e,i,M.b,this,n,r)},e.prototype.getLayerRenderer=function(t){var e=Object(n.c)(t);if(e in this.layerRenderers_)return this.layerRenderers_[e];for(var i,r=0,o=this.layerRendererConstructors_.length;r=.5&&u>=.5&&i.drawImage(n,0,0,+n.width,+n.height,Math.round(h),Math.round(c),Math.round(l),Math.round(u)),i.globalAlpha=a,o&&i.restore()}this.postCompose(i,t,e)},e.prototype.getImage=function(){return Object(n.b)()},e.prototype.getImageTransform=function(){return Object(n.b)()},e.prototype.forEachLayerAtCoordinate=function(t,e,i,n,r){if(this.getImage()){var o=Object(k.a)(this.coordinateToCanvasPixelTransform,t.slice());Object($.d)(o,e.viewState.resolution/this.renderedResolution),this.hitCanvasContext_||(this.hitCanvasContext_=Object(w.a)(1,1)),this.hitCanvasContext_.clearRect(0,0,1,1),this.hitCanvasContext_.drawImage(this.getImage(),o[0],o[1],1,1,0,0,1,1);var s=this.hitCanvasContext_.getImageData(0,0,1,1).data;return s[3]>0?n.call(r,this.getLayer(),s):void 0}},e}(ee),ne=function(t){function e(i){if(t.call(this,i),this.image_=null,this.imageTransform_=Object(k.c)(),this.skippedFeatures_=[],this.vectorRenderer_=null,i.getType()===Dt.a.VECTOR)for(var n=0,r=$t.length;n0&&(this.newTiles_=!0):s.setState(T.a.LOADED)),this.isDrawableTile_(s)||(s=s.getInterimTile()),s},e.prototype.prepareFrame=function(t,e){var i=t.pixelRatio,r=t.size,o=t.viewState,s=o.projection,a=o.resolution,h=o.center,c=this.getLayer(),l=c.getSource(),u=l.getRevision(),p=l.getTileGridForProjection(s),d=p.getZForResolution(a,this.zDirection),f=p.getResolution(d),_=Math.round(a/f)||1,g=t.extent;if(void 0!==e.extent&&(g=Object(L.B)(g,e.extent)),Object(L.H)(g))return!1;var v=p.getTileRangeForExtentAndZ(g,d),y=p.getTileRangeExtent(d,v),m=l.getTilePixelRatio(i),b={};b[d]={};var O,E,x,C=this.createLoadedTileFinder(l,s,b),R=t.viewHints,S=R[j.a.ANIMATING]||R[j.a.INTERACTING],I=this.tmpExtent,w=this.tmpTileRange_;for(this.newTiles_=!1,E=v.minX;E<=v.maxX;++E)for(x=v.minY;x<=v.maxY;++x)if(!(Date.now()-t.time>16&&S)){if(O=this.getTile(d,E,x,i,s),this.isDrawableTile_(O)){var M=Object(n.c)(this);if(O.getState()==T.a.LOADED){b[d][O.tileCoord.toString()]=O;var P=O.inTransition(M);this.newTiles_||!P&&-1!==this.renderedTiles.indexOf(O)||(this.newTiles_=!0)}if(1===O.getAlpha(M,t.time))continue}var F=p.getTileCoordChildTileRange(O.tileCoord,w,I),A=!1;F&&(A=C(d+1,F)),A||p.forEachTileCoordParentTileRange(O.tileCoord,C,null,w,I)}var D=f*i/m*_;if(!(this.renderedResolution&&Date.now()-t.time>16&&S)&&(this.newTiles_||!this.renderedExtent_||!Object(L.g)(this.renderedExtent_,g)||this.renderedRevision!=u||_!=this.oversampling_||!S&&D!=this.renderedResolution)){var N=this.context;if(N){var G=l.getTilePixelSize(d,i,s),Y=Math.round(v.getWidth()*G[0]/_),X=Math.round(v.getHeight()*G[1]/_),z=N.canvas;z.width!=Y||z.height!=X?(this.oversampling_=_,z.width=Y,z.height=X):(this.renderedExtent_&&!Object(L.p)(y,this.renderedExtent_)&&N.clearRect(0,0,Y,X),_=this.oversampling_)}this.renderedTiles.length=0;var W,K,U,V,H,B,Z,q,J,Q,$=Object.keys(b).map(Number);for($.sort(function(t,e){return t===d?1:e===d?-1:t>e?1:t0},e.prototype.drawTileImage=function(t,e,i,r,o,s,a,h,c){var l=this.getTileImage(t);if(l){var u=Object(n.c)(this),p=c?t.getAlpha(u,e.time):1,d=this.getLayer().getSource();1!==p||d.getOpaque(e.viewState.projection)||this.context.clearRect(r,o,s,a);var f=p!==this.context.globalAlpha;f&&(this.context.save(),this.context.globalAlpha=p),this.context.drawImage(l,h,h,l.width-2*h,l.height-2*h,r,o,s,a),f&&this.context.restore(),1!==p?e.animate=!0:c&&t.endTransition(u)}},e.prototype.getImage=function(){var t=this.context;return t?t.canvas:null},e.prototype.getImageTransform=function(){return this.imageTransform_},e.prototype.getTileImage=function(t){return t.getImage()},e}(ie);se.handles=function(t){return t.getType()===Dt.a.TILE},se.create=function(t,e){return new se(e)},se.prototype.getLayer;var ae=se,he=i(57),ce=i.n(he),le=function(){};le.prototype.getReplay=function(t,e){return Object(n.b)()},le.prototype.isEmpty=function(){return Object(n.b)()},le.prototype.addDeclutter=function(t){return Object(n.b)()};var ue=le,pe={CIRCLE:"Circle",DEFAULT:"Default",IMAGE:"Image",LINE_STRING:"LineString",POLYGON:"Polygon",TEXT:"Text"},de=i(27),fe=i(47),_e=i(74);function ge(t,e,i,n,r,o,s,a){for(var h,c,l,u=[],p=t[e]>t[i-n],d=r.length,f=t[e],_=t[e+1],g=t[e+=n],v=t[e+1],y=0,m=Math.sqrt(Math.pow(g-f,2)+Math.pow(v-_,2)),b="",O=0,E=0;E0?-Math.PI:Math.PI),void 0!==l){var I=S-l;if(I+=I>Math.PI?-2*Math.PI:I<-Math.PI?2*Math.PI:0,Math.abs(I)>a)return null}var j=R/m,w=Object(U.c)(f,g,j),L=Object(U.c)(_,v,j);l==S?(p&&(h[0]=w,h[1]=L,h[2]=x/2),h[4]=b):(O=x,h=[w,L,x/2,S,b=T],p?u.unshift(h):u.push(h),l=S),s+=x}return u}var ve={BEGIN_GEOMETRY:0,BEGIN_PATH:1,CIRCLE:2,CLOSE_PATH:3,CUSTOM:4,DRAW_CHARS:5,DRAW_IMAGE:6,END_GEOMETRY:7,FILL:8,MOVE_TO_LINE_TO:9,SET_FILL_STYLE:10,SET_STROKE_STYLE:11,STROKE:12},ye=[ve.FILL],me=[ve.STROKE],be=[ve.BEGIN_PATH],Oe=[ve.CLOSE_PATH],Ee=ve,Te=[pe.POLYGON,pe.CIRCLE,pe.LINE_STRING,pe.IMAGE,pe.TEXT,pe.DEFAULT],xe={left:0,end:0,center:.5,right:1,start:1,top:0,middle:.5,hanging:.2,alphabetic:.8,ideographic:.8,bottom:1},Ce=Object(L.j)(),Re=Object(k.c)(),Se=function(t){function e(e,i,n,r,o,s){t.call(this),this.declutterTree=s,this.tolerance=e,this.maxExtent=i,this.overlaps=o,this.pixelRatio=r,this.maxLineWidth=0,this.resolution=n,this.alignFill_,this.beginGeometryInstruction1_=null,this.beginGeometryInstruction2_=null,this.bufferedMaxExtent_=null,this.instructions=[],this.coordinates=[],this.coordinateCache_={},this.renderedTransform_=Object(k.c)(),this.hitDetectionInstructions=[],this.pixelCoordinates_=null,this.state={},this.viewRotation_=0}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.replayTextBackground_=function(t,e,i,n,r,o,s){t.beginPath(),t.moveTo.apply(t,e),t.lineTo.apply(t,i),t.lineTo.apply(t,n),t.lineTo.apply(t,r),t.lineTo.apply(t,e),o&&(this.alignFill_=o[2],this.fill_(t)),s&&(this.setStrokeStyle_(t,s),t.stroke())},e.prototype.replayImage_=function(t,e,i,n,r,o,s,a,h,c,l,u,p,d,f,_,g,v){var y=g||v;e-=r*=p,i-=o*=p;var m,b,O,E,T=f+c>n.width?n.width-c:f,x=a+l>n.height?n.height-l:a,C=_[3]+T*p+_[1],R=_[0]+x*p+_[2],S=e-_[3],I=i-_[0];(y||0!==u)&&(m=[S,I],b=[S+C,I],O=[S+C,I+R],E=[S,I+R]);var j=null;if(0!==u){var w=e+r,M=i+o;j=Object(k.b)(Re,w,M,1,1,u,-w,-M),Object(L.l)(Ce),Object(L.r)(Ce,Object(k.a)(Re,m)),Object(L.r)(Ce,Object(k.a)(Re,b)),Object(L.r)(Ce,Object(k.a)(Re,O)),Object(L.r)(Ce,Object(k.a)(Re,E))}else Object(L.k)(S,I,S+C,I+R,Ce);var P=t.canvas,F=v?v[2]*p/2:0,A=Ce[0]-F<=P.width&&Ce[2]+F>=0&&Ce[1]-F<=P.height&&Ce[3]+F>=0;if(d&&(e=Math.round(e),i=Math.round(i)),s){if(!A&&1==s[4])return;Object(L.q)(s,Ce);var D=A?[t,j?j.slice(0):null,h,n,c,l,T,x,e,i,p]:null;D&&y&&D.push(g,v,m,b,O,E),s.push(D)}else A&&(y&&this.replayTextBackground_(t,m,b,O,E,g,v),Object(zt.n)(t,j,h,n,c,l,T,x,e,i,p))},e.prototype.applyPixelRatio=function(t){var e=this.pixelRatio;return 1==e?t:t.map(function(t){return t*e})},e.prototype.appendFlatCoordinates=function(t,e,i,n,r,o){var s=this.coordinates.length,a=this.getBufferedMaxExtent();o&&(e+=n);var h,c,l,u=[t[e],t[e+1]],p=[NaN,NaN],d=!0;for(h=e+n;h5){var i=t[4];if(1==i||i==t.length-5){var n={minX:t[0],minY:t[1],maxX:t[2],maxY:t[3],value:e};if(!this.declutterTree.collides(n)){this.declutterTree.insert(n);for(var r=5,o=t.length;r11&&this.replayTextBackground_(s[0],s[13],s[14],s[15],s[16],s[11],s[12]),zt.n.apply(void 0,s))}}t.length=5,Object(L.l)(t)}}},e.prototype.replay_=function(t,e,i,r,o,s,a){var h;this.pixelCoordinates_&&Object(Nt.b)(e,this.renderedTransform_)?h=this.pixelCoordinates_:(this.pixelCoordinates_||(this.pixelCoordinates_=[]),h=Object(Vt.c)(this.coordinates,0,this.coordinates.length,2,e,this.pixelCoordinates_),Object(k.g)(this.renderedTransform_,e));for(var c,l,u,p,d,f,_,g,v,y,m,b,O=!Object(C.d)(i),E=0,T=r.length,x=0,R=0,S=0,I=null,j=null,w=this.coordinateCache_,M=this.viewRotation_,P={context:t,pixelRatio:this.pixelRatio,resolution:this.resolution,rotation:M},F=this.instructions!=r||this.overlaps?0:200;EF&&(this.fill_(t),R=0),S>F&&(t.stroke(),S=0),R||S||(t.beginPath(),p=d=NaN),++E;break;case Ee.CIRCLE:var D=h[x=A[1]],N=h[x+1],G=h[x+2]-D,Y=h[x+3]-N,X=Math.sqrt(G*G+Y*Y);t.moveTo(D+X,N),t.arc(D,N,X,0,2*Math.PI,!0),++E;break;case Ee.CLOSE_PATH:t.closePath(),++E;break;case Ee.CUSTOM:x=A[1],c=A[2];var z=A[3],W=A[4],K=6==A.length?A[5]:void 0;P.geometry=z,P.feature=y,E in w||(w[E]=[]);var U=w[E];K?K(h,x,c,2,U):(U[0]=h[x],U[1]=h[x+1],U.length=2),W(U,P),++E;break;case Ee.DRAW_IMAGE:x=A[1],c=A[2],v=A[3],l=A[4],u=A[5],g=s?null:A[6];var V=A[7],H=A[8],B=A[9],Z=A[10],q=A[11],J=A[12],Q=A[13],$=A[14],tt=void 0,et=void 0,it=void 0;for(A.length>16?(tt=A[15],et=A[16],it=A[17]):(tt=zt.j,et=it=!1),q&&(J+=M);xthis.maxLineWidth&&(this.maxLineWidth=i.lineWidth,this.bufferedMaxExtent_=null)}else i.strokeStyle=void 0,i.lineCap=void 0,i.lineDash=null,i.lineDashOffset=void 0,i.lineJoin=void 0,i.lineWidth=void 0,i.miterLimit=void 0},e.prototype.createFill=function(t,e){var i=t.fillStyle,n=[Ee.SET_FILL_STYLE,i];return"string"!=typeof i&&n.push(!0),n},e.prototype.applyStroke=function(t){this.instructions.push(this.createStroke(t))},e.prototype.createStroke=function(t){return[Ee.SET_STROKE_STYLE,t.strokeStyle,t.lineWidth*this.pixelRatio,t.lineCap,t.lineJoin,t.miterLimit,this.applyPixelRatio(t.lineDash),t.lineDashOffset*this.pixelRatio]},e.prototype.updateFillStyle=function(t,e,i){var n=t.fillStyle;"string"==typeof n&&t.currentFillStyle==n||(void 0!==n&&this.instructions.push(e.call(this,t,i)),t.currentFillStyle=n)},e.prototype.updateStrokeStyle=function(t,e){var i=t.strokeStyle,n=t.lineCap,r=t.lineDash,o=t.lineDashOffset,s=t.lineJoin,a=t.lineWidth,h=t.miterLimit;(t.currentStrokeStyle!=i||t.currentLineCap!=n||r!=t.currentLineDash&&!Object(Nt.b)(t.currentLineDash,r)||t.currentLineDashOffset!=o||t.currentLineJoin!=s||t.currentLineWidth!=a||t.currentMiterLimit!=h)&&(void 0!==i&&e.call(this,t),t.currentStrokeStyle=i,t.currentLineCap=n,t.currentLineDash=r,t.currentLineDashOffset=o,t.currentLineJoin=s,t.currentLineWidth=a,t.currentMiterLimit=h)},e.prototype.endGeometry=function(t,e){this.beginGeometryInstruction1_[2]=this.instructions.length,this.beginGeometryInstruction1_=null,this.beginGeometryInstruction2_[2]=this.hitDetectionInstructions.length,this.beginGeometryInstruction2_=null;var i=[Ee.END_GEOMETRY,e];this.instructions.push(i),this.hitDetectionInstructions.push(i)},e.prototype.getBufferedMaxExtent=function(){if(!this.bufferedMaxExtent_&&(this.bufferedMaxExtent_=Object(L.d)(this.maxExtent),this.maxLineWidth>0)){var t=this.resolution*(this.maxLineWidth+1)/2;Object(L.c)(this.bufferedMaxExtent_,t,this.bufferedMaxExtent_)}return this.bufferedMaxExtent_},e}(Bt),Ie=function(t){function e(e,i,n,r,o,s){t.call(this,e,i,n,r,o,s),this.declutterGroup_=null,this.hitDetectionImage_=null,this.image_=null,this.anchorX_=void 0,this.anchorY_=void 0,this.height_=void 0,this.opacity_=void 0,this.originX_=void 0,this.originY_=void 0,this.rotateWithView_=void 0,this.rotation_=void 0,this.scale_=void 0,this.width_=void 0}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.drawCoordinates_=function(t,e,i,n){return this.appendFlatCoordinates(t,e,i,n,!1,!1)},e.prototype.drawPoint=function(t,e){if(this.image_){this.beginGeometry(t,e);var i=t.getFlatCoordinates(),n=t.getStride(),r=this.coordinates.length,o=this.drawCoordinates_(i,0,i.length,n);this.instructions.push([Ee.DRAW_IMAGE,r,o,this.image_,this.anchorX_,this.anchorY_,this.declutterGroup_,this.height_,this.opacity_,this.originX_,this.originY_,this.rotateWithView_,this.rotation_,this.scale_*this.pixelRatio,this.width_]),this.hitDetectionInstructions.push([Ee.DRAW_IMAGE,r,o,this.hitDetectionImage_,this.anchorX_,this.anchorY_,this.declutterGroup_,this.height_,this.opacity_,this.originX_,this.originY_,this.rotateWithView_,this.rotation_,this.scale_,this.width_]),this.endGeometry(t,e)}},e.prototype.drawMultiPoint=function(t,e){if(this.image_){this.beginGeometry(t,e);var i=t.getFlatCoordinates(),n=t.getStride(),r=this.coordinates.length,o=this.drawCoordinates_(i,0,i.length,n);this.instructions.push([Ee.DRAW_IMAGE,r,o,this.image_,this.anchorX_,this.anchorY_,this.declutterGroup_,this.height_,this.opacity_,this.originX_,this.originY_,this.rotateWithView_,this.rotation_,this.scale_*this.pixelRatio,this.width_]),this.hitDetectionInstructions.push([Ee.DRAW_IMAGE,r,o,this.hitDetectionImage_,this.anchorX_,this.anchorY_,this.declutterGroup_,this.height_,this.opacity_,this.originX_,this.originY_,this.rotateWithView_,this.rotation_,this.scale_,this.width_]),this.endGeometry(t,e)}},e.prototype.finish=function(){this.reverseHitDetectionInstructions(),this.anchorX_=void 0,this.anchorY_=void 0,this.hitDetectionImage_=null,this.image_=null,this.height_=void 0,this.scale_=void 0,this.opacity_=void 0,this.originX_=void 0,this.originY_=void 0,this.rotateWithView_=void 0,this.rotation_=void 0,this.width_=void 0},e.prototype.setImageStyle=function(t,e){var i=t.getAnchor(),n=t.getSize(),r=t.getHitDetectionImage(1),o=t.getImage(1),s=t.getOrigin();this.anchorX_=i[0],this.anchorY_=i[1],this.declutterGroup_=e,this.hitDetectionImage_=r,this.image_=o,this.height_=n[1],this.opacity_=t.getOpacity(),this.originX_=s[0],this.originY_=s[1],this.rotateWithView_=t.getRotateWithView(),this.rotation_=t.getRotation(),this.scale_=t.getScale(),this.width_=n[0]},e}(Se),je=function(t){function e(e,i,n,r,o,s){t.call(this,e,i,n,r,o,s)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.drawFlatCoordinates_=function(t,e,i,n){var r=this.coordinates.length,o=this.appendFlatCoordinates(t,e,i,n,!1,!1),s=[Ee.MOVE_TO_LINE_TO,r,o];return this.instructions.push(s),this.hitDetectionInstructions.push(s),i},e.prototype.drawLineString=function(t,e){var i=this.state,n=i.strokeStyle,r=i.lineWidth;if(void 0!==n&&void 0!==r){this.updateStrokeStyle(i,this.applyStroke),this.beginGeometry(t,e),this.hitDetectionInstructions.push([Ee.SET_STROKE_STYLE,i.strokeStyle,i.lineWidth,i.lineCap,i.lineJoin,i.miterLimit,i.lineDash,i.lineDashOffset],be);var o=t.getFlatCoordinates(),s=t.getStride();this.drawFlatCoordinates_(o,0,o.length,s),this.hitDetectionInstructions.push(me),this.endGeometry(t,e)}},e.prototype.drawMultiLineString=function(t,e){var i=this.state,n=i.strokeStyle,r=i.lineWidth;if(void 0!==n&&void 0!==r){this.updateStrokeStyle(i,this.applyStroke),this.beginGeometry(t,e),this.hitDetectionInstructions.push([Ee.SET_STROKE_STYLE,i.strokeStyle,i.lineWidth,i.lineCap,i.lineJoin,i.miterLimit,i.lineDash,i.lineDashOffset],be);for(var o=t.getEnds(),s=t.getFlatCoordinates(),a=t.getStride(),h=0,c=0,l=o.length;ct&&(v>g&&(g=v,f=y,_=o),v=0,y=o-r)),s=a,l=p,u=d),h=m,c=b}return(v+=a)>g?[y,o]:[f,_]}var Fe="line";var Ae={Circle:Me,Default:Se,Image:Ie,LineString:je,Polygon:Me,Text:function(t){function e(e,i,n,r,o,s){t.call(this,e,i,n,r,o,s),this.declutterGroup_,this.labels_=null,this.text_="",this.textOffsetX_=0,this.textOffsetY_=0,this.textRotateWithView_=void 0,this.textRotation_=0,this.textFillState_=null,this.fillStates={},this.textStrokeState_=null,this.strokeStates={},this.textState_={},this.textStates={},this.textKey_="",this.fillKey_="",this.strokeKey_="",this.widths_={},zt.o.prune()}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.drawText=function(t,e){var i=this.textFillState_,n=this.textStrokeState_,r=this.textState_;if(""!==this.text_&&r&&(i||n)){var o,s,a=this.coordinates.length,h=t.getType(),c=null,l=2,u=2;if(r.placement===Fe){if(!Object(L.F)(this.getBufferedMaxExtent(),t.getExtent()))return;var p;if(c=t.getFlatCoordinates(),u=t.getStride(),h==Kt.a.LINE_STRING)p=[c.length];else if(h==Kt.a.MULTI_LINE_STRING)p=t.getEnds();else if(h==Kt.a.POLYGON)p=t.getEnds().slice(0,1);else if(h==Kt.a.MULTI_POLYGON){var d=t.getEndss();for(p=[],o=0,s=d.length;o=O)&&c.push(E[o],E[o+1]);if(0==(l=c.length))return}l=this.appendFlatCoordinates(c,0,l,u,!1,!1),(r.backgroundFill||r.backgroundStroke)&&(this.setFillStrokeStyle(r.backgroundFill,r.backgroundStroke),r.backgroundFill&&(this.updateFillStyle(this.state,this.createFill,t),this.hitDetectionInstructions.push(this.createFill(this.state,t))),r.backgroundStroke&&(this.updateStrokeStyle(this.state,this.applyStroke),this.hitDetectionInstructions.push(this.createStroke(this.state)))),this.beginGeometry(t,e),this.drawTextImage_(b,a,l),this.endGeometry(t,e)}}},e.prototype.getImage=function(t,e,i,n){var r,o=n+e+t+i+this.pixelRatio;if(!zt.o.containsKey(o)){var s=n?this.strokeStates[n]||this.textStrokeState_:null,a=i?this.fillStates[i]||this.textFillState_:null,h=this.textStates[e]||this.textState_,l=this.pixelRatio,u=h.scale*l,p=xe[h.textAlign||zt.l],d=n&&s.lineWidth?s.lineWidth:0,f=t.split("\n"),_=f.length,g=[],v=function(t,e,i){for(var n=e.length,r=0,o=0;o=o;)ke(i,t+r,t+o),ke(i,t+o,t+r),ke(i,t-o,t+r),ke(i,t-r,t+o),ke(i,t-r,t-o),ke(i,t-o,t-r),ke(i,t+o,t-r),ke(i,t+r,t-o),2*((s+=1+2*++o)-r)+1>0&&(s+=1-2*(r-=1));return Ne[t]=i,i}(n);function f(t){for(var e=l.getImageData(0,0,h,h).data,i=0;i0){var r=void 0;return(!u||p!=pe.IMAGE&&p!=pe.TEXT||-1!==u.indexOf(t))&&(r=o(t)),r||void l.clearRect(0,0,h,h)}}this.declutterTree_&&(u=this.declutterTree_.all().map(function(t){return t.value}));var _,g,v,y,m,b=Object.keys(this.replaysByZIndex_).map(Number);for(b.sort(Nt.g),_=b.length-1;_>=0;--_){var O=b[_].toString();for(v=this.replaysByZIndex_[O],g=Te.length-1;g>=0;--g)if(void 0!==(y=v[p=Te[g]]))if(!s||p!=pe.IMAGE&&p!=pe.TEXT){if(m=y.replayHitDetection(l,c,i,r,f,a))return m}else{var E=s[O];E?E.push(y,c.slice(0)):s[O]=[y,c.slice(0)]}}},e.prototype.getClipCoords=function(t){var e=this.maxExtent_,i=e[0],n=e[1],r=e[2],o=e[3],s=[i,n,i,o,r,o,r,n];return Object(Vt.c)(s,0,8,2,t,s),s},e.prototype.getReplay=function(t,e){var i=void 0!==t?t.toString():"0",n=this.replaysByZIndex_[i];void 0===n&&(n={},this.replaysByZIndex_[i]=n);var r=n[e];void 0===r&&(r=new(0,Ae[e])(this.tolerance_,this.maxExtent_,this.resolution_,this.pixelRatio_,this.overlaps_,this.declutterTree_),n[e]=r);return r},e.prototype.getReplays=function(){return this.replaysByZIndex_},e.prototype.isEmpty=function(){return Object(C.d)(this.replaysByZIndex_)},e.prototype.replay=function(t,e,i,n,r,o,s){var a=Object.keys(this.replaysByZIndex_).map(Number);a.sort(Nt.g),t.save(),this.clip(t,e);var h,c,l,u,p,d,f=o||Te;for(h=0,c=a.length;h=r)for(n=r;nc[2];)M=F*++A,u=this.getTransform(e,M),f.replay(_,u,h,o,S),P-=F}if(Object(zt.s)(_,h,I/2,w/2),O&&this.dispatchRenderEvent(_,e,u),_!=t){if(m){var D=t.globalAlpha;t.globalAlpha=i.opacity,t.drawImage(_.canvas,-v,-y),t.globalAlpha=D}else t.drawImage(_.canvas,-v,-y);_.translate(-v,-y)}m||(_.globalAlpha=C)}d&&t.restore()},e.prototype.composeFrame=function(t,e,i){var n=this.getTransform(t,0);this.preCompose(i,t,n),this.compose(i,t,e),this.postCompose(i,t,e,n)},e.prototype.forEachFeatureAtCoordinate=function(t,e,i,r,o){if(this.replayGroup_){var s=e.viewState.resolution,a=e.viewState.rotation,h=this.getLayer(),c={};return this.replayGroup_.forEachFeatureAtCoordinate(t,s,a,i,{},function(t){var e=Object(n.c)(t);if(!(e in c))return c[e]=!0,r.call(o,t,h)},null)}},e.prototype.handleFontsChanged_=function(t){var e=this.getLayer();e.getVisible()&&this.replayGroup_&&e.changed()},e.prototype.handleStyleImageChange_=function(t){this.renderIfReadyAndVisible()},e.prototype.prepareFrame=function(t,e){var i=this.getLayer(),n=i.getSource(),r=t.viewHints[j.a.ANIMATING],o=t.viewHints[j.a.INTERACTING],s=i.getUpdateWhileAnimating(),a=i.getUpdateWhileInteracting();if(!this.dirty_&&!s&&r||!a&&o)return!0;var h=t.extent,c=t.viewState,l=c.projection,u=c.resolution,p=t.pixelRatio,d=i.getRevision(),f=i.getRenderBuffer(),_=i.getRenderOrder();void 0===_&&(_=ze);var g=Object(L.c)(h,f*u),v=c.projection.getExtent();if(n.getWrapX()&&c.projection.canWrapX()&&!Object(L.g)(v,t.extent)){var y=Object(L.E)(v),m=Math.max(Object(L.E)(g)/2,y);g[0]=v[0]-m,g[2]=v[2]+m}if(!this.dirty_&&this.renderedResolution_==u&&this.renderedRevision_==d&&this.renderedRenderOrder_==_&&Object(L.g)(this.renderedExtent_,g))return this.replayGroupChanged=!1,!0;this.replayGroup_=null,this.dirty_=!1;var b=new Ge(Ke(u,p),g,u,p,n.getOverlaps(),this.declutterTree_,i.getRenderBuffer());n.loadFeatures(g,u,l);var O=function(t){var e,n=t.getStyleFunction()||i.getStyleFunction();if(n&&(e=n(t,u)),e){var r=this.renderFeature(t,u,p,e,b);this.dirty_=this.dirty_||r}}.bind(this);if(_){var E=[];n.forEachFeatureInExtent(g,function(t){E.push(t)}),E.sort(_);for(var T=0,x=E.length;T=0;--b){var O=g[b];if(O.getState()!=T.a.ABORT)for(var E=O.tileCoord,x=v.getTileCoordExtent(E,this.tmpExtent)[0]-O.extent[0],C=void 0,R=0,S=O.tileKeys.length;R=this.transition_?1:Object(s.a)(n/this.transition_)},e.prototype.inTransition=function(t){return!!this.transition_&&-1!==this.transitionStarts_[t]},e.prototype.endTransition=function(t){this.transition_&&(this.transitionStarts_[t]=-1)},e}(a.a),l=i(10),u=i(1);function p(){var t=Object(l.a)(1,1);return t.fillStyle="rgba(0,0,0,0)",t.fillRect(0,0,1,1),t.canvas}var d=function(t){function e(e,i,n,r,o,s){t.call(this,e,i,s),this.crossOrigin_=r,this.src_=n,this.image_=new Image,null!==r&&(this.image_.crossOrigin=r),this.imageListenerKeys_=null,this.tileLoadFunction_=o}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.disposeInternal=function(){this.state==o.a.LOADING&&(this.unlistenImage_(),this.image_=p()),this.interimTile&&this.interimTile.dispose(),this.state=o.a.ABORT,this.changed(),t.prototype.disposeInternal.call(this)},e.prototype.getImage=function(){return this.image_},e.prototype.getKey=function(){return this.src_},e.prototype.handleImageError_=function(){this.state=o.a.ERROR,this.unlistenImage_(),this.image_=p(),this.changed()},e.prototype.handleImageLoad_=function(){var t=this.image_;t.naturalWidth&&t.naturalHeight?this.state=o.a.LOADED:this.state=o.a.EMPTY,this.unlistenImage_(),this.changed()},e.prototype.load=function(){this.state==o.a.ERROR&&(this.state=o.a.IDLE,this.image_=new Image,null!==this.crossOrigin_&&(this.image_.crossOrigin=this.crossOrigin_)),this.state==o.a.IDLE&&(this.state=o.a.LOADING,this.changed(),this.imageListenerKeys_=[Object(u.b)(this.image_,h.a.ERROR,this.handleImageError_,this),Object(u.b)(this.image_,h.a.LOAD,this.handleImageLoad_,this)],this.tileLoadFunction_(this,this.src_))},e.prototype.unlistenImage_=function(){this.imageListenerKeys_.forEach(u.e),this.imageListenerKeys_=null},e}(c);function f(t,e,i,n){return void 0!==n?(n[0]=t,n[1]=e,n[2]=i,n):[t,e,i]}function _(t,e,i){return t+"/"+e+"/"+i}function g(t){return _(t[0],t[1],t[2])}var v=function(t){function e(e){t.call(this,e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.expireCache=function(t){for(;this.canExpireCache();){var e=this.peekLast(),i=e.tileCoord[0].toString();if(i in t&&t[i].contains(e.tileCoord))break;this.pop().dispose()}},e.prototype.pruneExceptNewestZ=function(){if(0!==this.getCount()){var t=function(t){return t.split("/").map(Number)}(this.peekFirstKey())[0];this.forEach(function(e){e.tileCoord[0]!==t&&(this.remove(g(e.tileCoord)),e.dispose())},this)}},e}(i(72).a),y=i(16),m=i(0),b=i(6);function O(t,e,i,n){var r=i-t,o=n-e,s=Math.sqrt(r*r+o*o);return[Math.round(i+r/s),Math.round(n+o/s)]}var E=function(t,e,i,n,r){this.sourceProj_=t,this.targetProj_=e;var o={},s=Object(y.getTransform)(this.targetProj_,this.sourceProj_);this.transformInv_=function(t){var e=t[0]+"/"+t[1];return o[e]||(o[e]=s(t)),o[e]},this.maxSourceExtent_=n,this.errorThresholdSquared_=r*r,this.triangles_=[],this.wrapsXInSource_=!1,this.canWrapXInSource_=this.sourceProj_.canWrapX()&&!!n&&!!this.sourceProj_.getExtent()&&Object(m.E)(n)==Object(m.E)(this.sourceProj_.getExtent()),this.sourceWorldWidth_=this.sourceProj_.getExtent()?Object(m.E)(this.sourceProj_.getExtent()):null,this.targetWorldWidth_=this.targetProj_.getExtent()?Object(m.E)(this.targetProj_.getExtent()):null;var a=Object(m.C)(i),h=Object(m.D)(i),c=Object(m.w)(i),l=Object(m.v)(i),u=this.transformInv_(a),p=this.transformInv_(h),d=this.transformInv_(c),f=this.transformInv_(l);if(this.addQuad_(a,h,c,l,u,p,d,f,10),this.wrapsXInSource_){var _=1/0;this.triangles_.forEach(function(t,e,i){_=Math.min(_,t.source[0][0],t.source[1][0],t.source[2][0])}),this.triangles_.forEach(function(t){if(Math.max(t.source[0][0],t.source[1][0],t.source[2][0])-_>this.sourceWorldWidth_/2){var e=[[t.source[0][0],t.source[0][1]],[t.source[1][0],t.source[1][1]],[t.source[2][0],t.source[2][1]]];e[0][0]-_>this.sourceWorldWidth_/2&&(e[0][0]-=this.sourceWorldWidth_),e[1][0]-_>this.sourceWorldWidth_/2&&(e[1][0]-=this.sourceWorldWidth_),e[2][0]-_>this.sourceWorldWidth_/2&&(e[2][0]-=this.sourceWorldWidth_);var i=Math.min(e[0][0],e[1][0],e[2][0]);Math.max(e[0][0],e[1][0],e[2][0])-i.5&&l<1,d=!1;if(h>0){if(this.targetProj_.isGlobal()&&this.targetWorldWidth_){var f=Object(m.b)([t,e,i,n]);d=Object(m.E)(f)/this.targetWorldWidth_>.25||d}!p&&this.sourceProj_.isGlobal()&&l&&(d=l>.25||d)}if(d||!this.maxSourceExtent_||Object(m.F)(c,this.maxSourceExtent_)){if(!(d||isFinite(r[0])&&isFinite(r[1])&&isFinite(o[0])&&isFinite(o[1])&&isFinite(s[0])&&isFinite(s[1])&&isFinite(a[0])&&isFinite(a[1]))){if(!(h>0))return;d=!0}if(h>0){if(!d){var _,g=[(t[0]+i[0])/2,(t[1]+i[1])/2],v=this.transformInv_(g);if(p)_=(Object(b.d)(r[0],u)+Object(b.d)(s[0],u))/2-Object(b.d)(v[0],u);else _=(r[0]+s[0])/2-v[0];var y=(r[1]+s[1])/2-v[1];d=_*_+y*y>this.errorThresholdSquared_}if(d){if(Math.abs(t[0]-i[0])<=Math.abs(t[1]-i[1])){var O=[(e[0]+i[0])/2,(e[1]+i[1])/2],E=this.transformInv_(O),T=[(n[0]+t[0])/2,(n[1]+t[1])/2],x=this.transformInv_(T);this.addQuad_(t,e,O,T,r,o,E,x,h-1),this.addQuad_(T,O,i,n,x,E,s,a,h-1)}else{var C=[(t[0]+e[0])/2,(t[1]+e[1])/2],R=this.transformInv_(C),S=[(i[0]+n[0])/2,(i[1]+n[1])/2],I=this.transformInv_(S);this.addQuad_(t,C,S,n,r,R,I,a,h-1),this.addQuad_(C,e,i,S,R,o,s,I,h-1)}return}}if(p){if(!this.canWrapXInSource_)return;this.wrapsXInSource_=!0}this.addTriangle_(t,i,n,r,s,a),this.addTriangle_(t,e,i,r,o,s)}},E.prototype.calculateSourceExtent=function(){var t=Object(m.j)();return this.triangles_.forEach(function(e,i,n){var r=e.source;Object(m.r)(t,r[0]),Object(m.r)(t,r[1]),Object(m.r)(t,r[2])}),t},E.prototype.getTriangles=function(){return this.triangles_};var T=E,x=function(t){function e(e,i,r,s,a,h,c,l,u,p,d){t.call(this,a,o.a.IDLE),this.renderEdges_=void 0!==d&&d,this.pixelRatio_=c,this.gutter_=l,this.canvas_=null,this.sourceTileGrid_=i,this.targetTileGrid_=s,this.wrappedTileCoord_=h||a,this.sourceTiles_=[],this.sourcesListenerKeys_=null,this.sourceZ_=0;var f=s.getTileCoordExtent(this.wrappedTileCoord_),_=this.targetTileGrid_.getExtent(),g=this.sourceTileGrid_.getExtent(),v=_?Object(m.B)(f,_):f;if(0!==Object(m.u)(v)){var O=e.getExtent();O&&(g=g?Object(m.B)(g,O):O);var E=s.getResolution(this.wrappedTileCoord_[0]),x=function(t,e,i,n){var r=Object(y.transform)(i,e,t),o=Object(y.getPointResolution)(e,n,i),s=e.getMetersPerUnit();void 0!==s&&(o*=s);var a=t.getMetersPerUnit();void 0!==a&&(o/=a);var h=t.getExtent();if(!h||Object(m.f)(h,r)){var c=Object(y.getPointResolution)(t,o,r)/o;isFinite(c)&&c>0&&(o/=c)}return o}(e,r,Object(m.x)(v),E);if(!isFinite(x)||x<=0)this.state=o.a.EMPTY;else{var C=void 0!==p?p:n.b;if(this.triangulation_=new T(e,r,v,g,x*C),0!==this.triangulation_.getTriangles().length){this.sourceZ_=i.getZForResolution(x);var R=this.triangulation_.calculateSourceExtent();if(g&&(e.canWrapX()?(R[1]=Object(b.a)(R[1],g[1],g[3]),R[3]=Object(b.a)(R[3],g[1],g[3])):R=Object(m.B)(R,g)),Object(m.u)(R)){for(var S=i.getTileRangeForExtentAndZ(R,this.sourceZ_),I=S.minX;I<=S.maxX;I++)for(var j=S.minY;j<=S.maxY;j++){var w=u(this.sourceZ_,I,j,c);w&&this.sourceTiles_.push(w)}0===this.sourceTiles_.length&&(this.state=o.a.EMPTY)}else this.state=o.a.EMPTY}else this.state=o.a.EMPTY}}else this.state=o.a.EMPTY}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.disposeInternal=function(){this.state==o.a.LOADING&&this.unlistenSources_(),t.prototype.disposeInternal.call(this)},e.prototype.getImage=function(){return this.canvas_},e.prototype.reproject_=function(){var t=[];if(this.sourceTiles_.forEach(function(e,i,n){e&&e.getState()==o.a.LOADED&&t.push({extent:this.sourceTileGrid_.getTileCoordExtent(e.tileCoord),image:e.getImage()})}.bind(this)),this.sourceTiles_.length=0,0===t.length)this.state=o.a.ERROR;else{var e=this.wrappedTileCoord_[0],i=this.targetTileGrid_.getTileSize(e),n="number"==typeof i?i:i[0],r="number"==typeof i?i:i[1],s=this.targetTileGrid_.getResolution(e),a=this.sourceTileGrid_.getResolution(this.sourceZ_),h=this.targetTileGrid_.getTileCoordExtent(this.wrappedTileCoord_);this.canvas_=function(t,e,i,n,r,o,s,a,h,c,u){var p=Object(l.a)(Math.round(i*t),Math.round(i*e));if(0===h.length)return p.canvas;p.scale(i,i);var d=Object(m.j)();h.forEach(function(t,e,i){Object(m.q)(d,t.extent)});var f=Object(m.E)(d),_=Object(m.A)(d),g=Object(l.a)(Math.round(i*f/n),Math.round(i*_/n)),v=i/n;h.forEach(function(t,e,i){var n=t.extent[0]-d[0],r=-(t.extent[3]-d[3]),o=Object(m.E)(t.extent),s=Object(m.A)(t.extent);g.drawImage(t.image,c,c,t.image.width-2*c,t.image.height-2*c,n*v,r*v,o*v,s*v)});var y=Object(m.C)(s);return a.getTriangles().forEach(function(t,e,r){var s=t.source,a=t.target,h=s[0][0],c=s[0][1],l=s[1][0],u=s[1][1],f=s[2][0],_=s[2][1],v=(a[0][0]-y[0])/o,m=-(a[0][1]-y[1])/o,E=(a[1][0]-y[0])/o,T=-(a[1][1]-y[1])/o,x=(a[2][0]-y[0])/o,C=-(a[2][1]-y[1])/o,R=h,S=c;h=0,c=0;var I=[[l-=R,u-=S,0,0,E-v],[f-=R,_-=S,0,0,x-v],[0,0,l,u,T-m],[0,0,f,_,C-m]],j=Object(b.e)(I);if(j){p.save(),p.beginPath();var w=(v+E+x)/3,L=(m+T+C)/3,M=O(w,L,v,m),P=O(w,L,E,T),F=O(w,L,x,C);p.moveTo(P[0],P[1]),p.lineTo(M[0],M[1]),p.lineTo(F[0],F[1]),p.clip(),p.transform(j[0],j[2],j[1],j[3],v,m),p.translate(d[0]-R,d[3]-S),p.scale(n/i,-n/i),p.drawImage(g.canvas,0,0),p.restore()}}),u&&(p.save(),p.strokeStyle="black",p.lineWidth=1,a.getTriangles().forEach(function(t,e,i){var n=t.target,r=(n[0][0]-y[0])/o,s=-(n[0][1]-y[1])/o,a=(n[1][0]-y[0])/o,h=-(n[1][1]-y[1])/o,c=(n[2][0]-y[0])/o,l=-(n[2][1]-y[1])/o;p.beginPath(),p.moveTo(a,h),p.lineTo(r,s),p.lineTo(c,l),p.closePath(),p.stroke()}),p.restore()),p.canvas}(n,r,this.pixelRatio_,a,this.sourceTileGrid_.getExtent(),s,h,this.triangulation_,t,this.gutter_,this.renderEdges_),this.state=o.a.LOADED}this.changed()},e.prototype.load=function(){if(this.state==o.a.IDLE){this.state=o.a.LOADING,this.changed();var t=0;this.sourcesListenerKeys_=[],this.sourceTiles_.forEach(function(e,i,n){var r=e.getState();if(r==o.a.IDLE||r==o.a.LOADING){t++;var s=Object(u.a)(e,h.a.CHANGE,function(i){var n=e.getState();n!=o.a.LOADED&&n!=o.a.ERROR&&n!=o.a.EMPTY||(Object(u.e)(s),0===--t&&(this.unlistenSources_(),this.reproject_()))},this);this.sourcesListenerKeys_.push(s)}}.bind(this)),this.sourceTiles_.forEach(function(t,e,i){t.getState()==o.a.IDLE&&t.load()}),0===t&&setTimeout(this.reproject_.bind(this),0)}},e.prototype.unlistenSources_=function(){this.sourcesListenerKeys_.forEach(u.e),this.sourcesListenerKeys_=null},e}(c),C=i(9);function R(t,e){var i=/\{z\}/g,n=/\{x\}/g,r=/\{y\}/g,o=/\{-y\}/g;return function(s,a,h){return s?t.replace(i,s[0].toString()).replace(n,s[1].toString()).replace(r,function(){return(-s[2]-1).toString()}).replace(o,function(){var t=s[0],i=e.getFullTileRange(t);return Object(C.a)(i,55),(i.getHeight()+s[2]).toString()}):void 0}}function S(t,e){for(var i=t.length,n=new Array(i),r=0;r=this.minZoom;){if(2===this.zoomFactor_?(s=Math.floor(s/2),a=Math.floor(a/2),o=Object(A.a)(s,s,a,a,n)):o=this.getTileRangeForExtentAndZ(h,c,n),e.call(i,c,o))return!0;--c}return!1},k.prototype.getExtent=function(){return this.extent_},k.prototype.getMaxZoom=function(){return this.maxZoom},k.prototype.getMinZoom=function(){return this.minZoom},k.prototype.getOrigin=function(t){return this.origin_?this.origin_:this.origins_[t]},k.prototype.getResolution=function(t){return this.resolutions_[t]},k.prototype.getResolutions=function(){return this.resolutions_},k.prototype.getTileCoordChildTileRange=function(t,e,i){if(t[0]i||i>e.getMaxZoom())return!1;var o,s=e.getExtent();return!(o=s?e.getTileRangeForExtentAndZ(s,i):e.getFullTileRange(i))||o.containsXY(n,r)}(t,n)?t:null},e.prototype.refresh=function(){this.tileCache.clear(),this.changed()},e.prototype.useTile=function(t,e,i,n){},e}(L.a),K=function(t){function e(e,i){t.call(this,e),this.tile=i}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(j.a),U="tileloadstart",V="tileloadend",H="tileloaderror";function B(t,e){t.getImage().src=e}var Z=function(t){function e(e){var i=e||{},n=void 0!==i.projection?i.projection:"EPSG:3857",r=void 0!==i.tileGrid?i.tileGrid:function(t){var e=t||{},i=e.extent||Object(y.get)("EPSG:3857").getExtent(),n={extent:i,minZoom:e.minZoom,tileSize:e.tileSize,resolutions:X(i,e.maxZoom,e.tileSize)};return new G(n)}({extent:z(n),maxZoom:i.maxZoom,minZoom:i.minZoom,tileSize:i.tileSize});t.call(this,{attributions:i.attributions,cacheSize:i.cacheSize,crossOrigin:i.crossOrigin,opaque:i.opaque,projection:n,reprojectionErrorThreshold:i.reprojectionErrorThreshold,tileGrid:r,tileLoadFunction:i.tileLoadFunction,tilePixelRatio:i.tilePixelRatio,tileUrlFunction:i.tileUrlFunction,url:i.url,urls:i.urls,wrapX:void 0===i.wrapX||i.wrapX,transition:i.transition,attributionsCollapsible:i.attributionsCollapsible})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(function(t){function e(e){t.call(this,{attributions:e.attributions,cacheSize:e.cacheSize,opaque:e.opaque,projection:e.projection,state:e.state,tileGrid:e.tileGrid,tileLoadFunction:e.tileLoadFunction?e.tileLoadFunction:B,tilePixelRatio:e.tilePixelRatio,tileUrlFunction:e.tileUrlFunction,url:e.url,urls:e.urls,wrapX:e.wrapX,transition:e.transition,key:e.key,attributionsCollapsible:e.attributionsCollapsible}),this.crossOrigin=void 0!==e.crossOrigin?e.crossOrigin:null,this.tileClass=void 0!==e.tileClass?e.tileClass:d,this.tileCacheForProjection={},this.tileGridForProjection={},this.reprojectionErrorThreshold_=e.reprojectionErrorThreshold,this.renderReprojectionEdges_=!1}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.canExpireCache=function(){if(!n.a)return t.prototype.canExpireCache.call(this);if(this.tileCache.canExpireCache())return!0;for(var e in this.tileCacheForProjection)if(this.tileCacheForProjection[e].canExpireCache())return!0;return!1},e.prototype.expireCache=function(e,i){if(n.a){var r=this.getTileCacheForProjection(e);for(var o in this.tileCache.expireCache(this.tileCache==r?i:{}),this.tileCacheForProjection){var s=this.tileCacheForProjection[o];s.expireCache(s==r?i:{})}}else t.prototype.expireCache.call(this,e,i)},e.prototype.getGutterForProjection=function(t){return n.a&&this.getProjection()&&t&&!Object(y.equivalent)(this.getProjection(),t)?0:this.getGutter()},e.prototype.getGutter=function(){return 0},e.prototype.getOpaque=function(e){return!(n.a&&this.getProjection()&&e&&!Object(y.equivalent)(this.getProjection(),e))&&t.prototype.getOpaque.call(this,e)},e.prototype.getTileGridForProjection=function(e){if(!n.a)return t.prototype.getTileGridForProjection.call(this,e);var i=this.getProjection();if(!this.tileGrid||i&&!Object(y.equivalent)(i,e)){var o=Object(r.c)(e);return o in this.tileGridForProjection||(this.tileGridForProjection[o]=Y(e)),this.tileGridForProjection[o]}return this.tileGrid},e.prototype.getTileCacheForProjection=function(e){if(!n.a)return t.prototype.getTileCacheForProjection.call(this,e);var i=this.getProjection();if(!i||Object(y.equivalent)(i,e))return this.tileCache;var o=Object(r.c)(e);return o in this.tileCacheForProjection||(this.tileCacheForProjection[o]=new v(this.tileCache.highWaterMark)),this.tileCacheForProjection[o]},e.prototype.createTile_=function(t,e,i,n,r,s){var a=[t,e,i],c=this.getTileCoordForTileUrlFunction(a,r),l=c?this.tileUrlFunction(c,n,r):void 0,p=new this.tileClass(a,void 0!==l?o.a.IDLE:o.a.EMPTY,void 0!==l?l:"",this.crossOrigin,this.tileLoadFunction,this.tileOptions);return p.key=s,Object(u.a)(p,h.a.CHANGE,this.handleTileChange,this),p},e.prototype.getTile=function(t,e,i,r,o){var s=this.getProjection();if(n.a&&s&&o&&!Object(y.equivalent)(s,o)){var a,h=this.getTileCacheForProjection(o),c=[t,e,i],l=g(c);h.containsKey(l)&&(a=h.get(l));var u=this.getKey();if(a&&a.key==u)return a;var p=this.getTileGridForProjection(s),d=this.getTileGridForProjection(o),f=this.getTileCoordForTileUrlFunction(c,o),_=new x(s,p,o,d,c,f,this.getTilePixelRatio(r),this.getGutter(),function(t,e,i,n){return this.getTileInternal(t,e,i,n,s)}.bind(this),this.reprojectionErrorThreshold_,this.renderReprojectionEdges_);return _.key=u,a?(_.interimTile=a,_.refreshInterimChain(),h.replace(l,_)):h.set(l,_),_}return this.getTileInternal(t,e,i,r,s||o)},e.prototype.getTileInternal=function(t,e,i,n,r){var s=null,a=_(t,e,i),h=this.getKey();if(this.tileCache.containsKey(a)){if((s=this.tileCache.get(a)).key!=h){var c=s;s=this.createTile_(t,e,i,n,r,h),c.getState()==o.a.IDLE?s.interimTile=c.interimTile:s.interimTile=c,s.refreshInterimChain(),this.tileCache.replace(a,s)}}else s=this.createTile_(t,e,i,n,r,h),this.tileCache.set(a,s);return s},e.prototype.setRenderReprojectionEdges=function(t){if(n.a&&this.renderReprojectionEdges_!=t){for(var e in this.renderReprojectionEdges_=t,this.tileCacheForProjection)this.tileCacheForProjection[e].clear();this.changed()}},e.prototype.setTileGridForProjection=function(t,e){if(n.a){var i=Object(y.get)(t);if(i){var o=Object(r.c)(i);o in this.tileGridForProjection||(this.tileGridForProjection[o]=e)}}},e}(function(t){function e(e){t.call(this,{attributions:e.attributions,cacheSize:e.cacheSize,opaque:e.opaque,projection:e.projection,state:e.state,tileGrid:e.tileGrid,tilePixelRatio:e.tilePixelRatio,wrapX:e.wrapX,transition:e.transition,key:e.key,attributionsCollapsible:e.attributionsCollapsible}),this.generateTileUrlFunction_=!e.tileUrlFunction,this.tileLoadFunction=e.tileLoadFunction,this.tileUrlFunction=e.tileUrlFunction?e.tileUrlFunction.bind(this):I,this.urls=null,e.urls?this.setUrls(e.urls):e.url&&this.setUrl(e.url),e.tileUrlFunction&&this.setTileUrlFunction(e.tileUrlFunction,this.key_),this.tileLoadingKeys_={}}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getTileLoadFunction=function(){return this.tileLoadFunction},e.prototype.getTileUrlFunction=function(){return this.tileUrlFunction},e.prototype.getUrls=function(){return this.urls},e.prototype.handleTileChange=function(t){var e,i=t.target,n=Object(r.c)(i),s=i.getState();s==o.a.LOADING?(this.tileLoadingKeys_[n]=!0,e=U):n in this.tileLoadingKeys_&&(delete this.tileLoadingKeys_[n],e=s==o.a.ERROR?H:s==o.a.LOADED||s==o.a.ABORT?V:void 0),void 0!=e&&this.dispatchEvent(new K(e,i))},e.prototype.setTileLoadFunction=function(t){this.tileCache.clear(),this.tileLoadFunction=t,this.changed()},e.prototype.setTileUrlFunction=function(t,e){this.tileUrlFunction=t,this.tileCache.pruneExceptNewestZ(),void 0!==e?this.setKey(e):this.changed()},e.prototype.setUrl=function(t){var e=this.urls=function(t){var e=[],i=/\{([a-z])-([a-z])\}/.exec(t);if(i){var n,r=i[1].charCodeAt(0),o=i[2].charCodeAt(0);for(n=r;n<=o;++n)e.push(t.replace(i[0],String.fromCharCode(n)));return e}if(i=i=/\{(\d+)-(\d+)\}/.exec(t)){for(var s=parseInt(i[2],10),a=parseInt(i[1],10);a<=s;a++)e.push(t.replace(i[0],a.toString()));return e}return e.push(t),e}(t);this.setUrls(e)},e.prototype.setUrls=function(t){this.urls=t;var e=t.join("\n");this.generateTileUrlFunction_?this.setTileUrlFunction(S(t,this.tileGrid),e):this.setKey(e)},e.prototype.useTile=function(t,e,i){var n=_(t,e,i);this.tileCache.containsKey(n)&&this.tileCache.get(n)},e}(W)));e.default=Z},function(t,e,i){"use strict";i.r(e);var n=i(53),r=i(2),o=i(17),s=i(6);function a(t){return t}var h=i(13),c=i(15);var l=i(48),u=i(12),p=i(25),d=i(9),f=i(34),_=i(21),g=i(0),v=i(5),y=i(62),m=i(11),b=i(16),O=i(20);i.d(e,"createCenterConstraint",function(){return C}),i.d(e,"createResolutionConstraint",function(){return R}),i.d(e,"createRotationConstraint",function(){return S}),i.d(e,"isNoopAnimation",function(){return I});var E=0,T=function(t){function e(e){t.call(this);var i=Object(m.a)({},e);this.hints_=[0,0],this.animations_=[],this.updateAnimationKey_,this.updateAnimations_=this.updateAnimations_.bind(this),this.projection_=Object(b.createProjection)(i.projection,"EPSG:3857"),this.applyOptions_(i)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.applyOptions_=function(t){var e={};e[p.a.CENTER]=void 0!==t.center?t.center:null;var i=R(t);this.maxResolution_=i.maxResolution,this.minResolution_=i.minResolution,this.zoomFactor_=i.zoomFactor,this.resolutions_=t.resolutions,this.minZoom_=i.minZoom;var n=C(t),r=i.constraint,o=S(t);this.constraints_={center:n,resolution:r,rotation:o},void 0!==t.resolution?e[p.a.RESOLUTION]=t.resolution:void 0!==t.zoom&&(e[p.a.RESOLUTION]=this.constrainResolution(this.maxResolution_,t.zoom-this.minZoom_),this.resolutions_&&(e[p.a.RESOLUTION]=Object(s.a)(Number(this.getResolution()||e[p.a.RESOLUTION]),this.minResolution_,this.maxResolution_))),e[p.a.ROTATION]=void 0!==t.rotation?t.rotation:0,this.setProperties(e),this.options_=t},e.prototype.getUpdatedOptions_=function(t){var e=Object(m.a)({},this.options_);return void 0!==e.resolution?e.resolution=this.getResolution():e.zoom=this.getZoom(),e.center=this.getCenter(),e.rotation=this.getRotation(),Object(m.a)({},e,t)},e.prototype.animate=function(t){var e,i=arguments,n=arguments.length;if(n>1&&"function"==typeof arguments[n-1]&&(e=arguments[n-1],--n),!this.isDef()){var r=arguments[n-1];return r.center&&this.setCenter(r.center),void 0!==r.zoom&&this.setZoom(r.zoom),void 0!==r.rotation&&this.setRotation(r.rotation),void(e&&x(e,!0))}for(var o=Date.now(),a=this.getCenter().slice(),h=this.getResolution(),c=this.getRotation(),l=[],p=0;p0},e.prototype.getInteracting=function(){return this.hints_[u.a.INTERACTING]>0},e.prototype.cancelAnimations=function(){this.setHint(u.a.ANIMATING,-this.hints_[u.a.ANIMATING]);for(var t=0,e=this.animations_.length;t=0;--i){for(var n=this.animations_[i],r=!0,o=0,a=n.length;o0?c/h.duration:1;l>=1?(h.complete=!0,l=1):r=!1;var d=h.easing(l);if(h.sourceCenter){var f=h.sourceCenter[0],_=h.sourceCenter[1],g=f+d*(h.targetCenter[0]-f),v=_+d*(h.targetCenter[1]-_);this.set(p.a.CENTER,[g,v])}if(h.sourceResolution&&h.targetResolution){var y=1===d?h.targetResolution:h.sourceResolution+d*(h.targetResolution-h.sourceResolution);h.anchor&&this.set(p.a.CENTER,this.calculateCenterZoom(y,h.anchor)),this.set(p.a.RESOLUTION,y)}if(void 0!==h.sourceRotation&&void 0!==h.targetRotation){var m=1===d?Object(s.d)(h.targetRotation+Math.PI,2*Math.PI)-Math.PI:h.sourceRotation+d*(h.targetRotation-h.sourceRotation);h.anchor&&this.set(p.a.CENTER,this.calculateCenterRotate(m,h.anchor)),this.set(p.a.ROTATION,m)}if(e=!0,!h.complete)break}}if(r){this.animations_[i]=null,this.setHint(u.a.ANIMATING,-1);var b=n[0].callback;b&&x(b,!0)}}this.animations_=this.animations_.filter(Boolean),e&&void 0===this.updateAnimationKey_&&(this.updateAnimationKey_=requestAnimationFrame(this.updateAnimations_))}},e.prototype.calculateCenterRotate=function(t,e){var i,n=this.getCenter();return void 0!==n&&(i=[n[0]-e[0],n[1]-e[1]],Object(f.c)(i,t-this.getRotation()),Object(f.a)(i,e)),i},e.prototype.calculateCenterZoom=function(t,e){var i,n=this.getCenter(),r=this.getResolution();void 0!==n&&void 0!==r&&(i=[e[0]-t*(e[0]-n[0])/r,e[1]-t*(e[1]-n[1])/r]);return i},e.prototype.getSizeFromViewport_=function(){var t=[100,100],e='.ol-viewport[data-view="'+Object(r.c)(this)+'"]',i=document.querySelector(e);if(i){var n=getComputedStyle(i);t[0]=parseInt(n.width,10),t[1]=parseInt(n.height,10)}return t},e.prototype.constrainCenter=function(t){return this.constraints_.center(t)},e.prototype.constrainResolution=function(t,e,i){var n=e||0,r=i||0;return this.constraints_.resolution(t,n,r)},e.prototype.constrainRotation=function(t,e){var i=e||0;return this.constraints_.rotation(t,i)},e.prototype.getCenter=function(){return this.get(p.a.CENTER)},e.prototype.getConstraints=function(){return this.constraints_},e.prototype.getHints=function(t){return void 0!==t?(t[0]=this.hints_[0],t[1]=this.hints_[1],t):this.hints_.slice()},e.prototype.calculateExtent=function(t){var e=t||this.getSizeFromViewport_(),i=this.getCenter();Object(d.a)(i,1);var n=this.getResolution();Object(d.a)(void 0!==n,2);var r=this.getRotation();return Object(d.a)(void 0!==r,3),Object(g.z)(i,n,r,e)},e.prototype.getMaxResolution=function(){return this.maxResolution_},e.prototype.getMinResolution=function(){return this.minResolution_},e.prototype.getMaxZoom=function(){return this.getZoomForResolution(this.minResolution_)},e.prototype.setMaxZoom=function(t){this.applyOptions_(this.getUpdatedOptions_({maxZoom:t}))},e.prototype.getMinZoom=function(){return this.getZoomForResolution(this.maxResolution_)},e.prototype.setMinZoom=function(t){this.applyOptions_(this.getUpdatedOptions_({minZoom:t}))},e.prototype.getProjection=function(){return this.projection_},e.prototype.getResolution=function(){return this.get(p.a.RESOLUTION)},e.prototype.getResolutions=function(){return this.resolutions_},e.prototype.getResolutionForExtent=function(t,e){var i=e||this.getSizeFromViewport_(),n=Object(g.E)(t)/i[0],r=Object(g.A)(t)/i[1];return Math.max(n,r)},e.prototype.getResolutionForValueFunction=function(t){var e=t||2,i=this.maxResolution_,n=this.minResolution_,r=Math.log(i/n)/Math.log(e);return function(t){return i/Math.pow(e,t*r)}},e.prototype.getRotation=function(){return this.get(p.a.ROTATION)},e.prototype.getValueForResolutionFunction=function(t){var e=t||2,i=this.maxResolution_,n=this.minResolution_,r=Math.log(i/n)/Math.log(e);return function(t){return Math.log(i/t)/Math.log(e)/r}},e.prototype.getState=function(t){var e=this.getCenter(),i=this.getProjection(),n=this.getResolution(),r=n/t,o=this.getRotation();return{center:[Math.round(e[0]/r)*r,Math.round(e[1]/r)*r],projection:void 0!==i?i:null,resolution:n,rotation:o,zoom:this.getZoom()}},e.prototype.getZoom=function(){var t,e=this.getResolution();return void 0!==e&&(t=this.getZoomForResolution(e)),t},e.prototype.getZoomForResolution=function(t){var e,i,n=this.minZoom_||0;if(this.resolutions_){var r=Object(c.f)(this.resolutions_,t,1);n=r,e=this.resolutions_[r],i=r==this.resolutions_.length-1?2:e/this.resolutions_[r+1]}else e=this.maxResolution_,i=this.zoomFactor_;return n+Math.log(e/t)/Math.log(i)},e.prototype.getResolutionForZoom=function(t){return this.constrainResolution(this.maxResolution_,t-this.minZoom_,0)},e.prototype.fit=function(t,e){var i,n=e||{},r=n.size;r||(r=this.getSizeFromViewport_()),Object(d.a)(Array.isArray(t)||"function"==typeof t.getSimplifiedGeometry,24),Array.isArray(t)?(Object(d.a)(!Object(g.H)(t),25),i=Object(y.b)(t)):t.getType()===v.a.CIRCLE?(t=t.getExtent(),(i=Object(y.b)(t)).rotate(this.getRotation(),Object(g.x)(t))):i=t;var s,a=void 0!==n.padding?n.padding:[0,0,0,0],h=void 0===n.constrainResolution||n.constrainResolution,c=void 0!==n.nearest&&n.nearest;s=void 0!==n.minResolution?n.minResolution:void 0!==n.maxZoom?this.constrainResolution(this.maxResolution_,n.maxZoom-this.minZoom_,0):0;for(var l=i.getFlatCoordinates(),u=this.getRotation(),p=Math.cos(-u),f=Math.sin(-u),_=1/0,m=1/0,b=-1/0,O=-1/0,E=i.getStride(),T=0,C=l.length;Te?1:0}return function(i,n,r,o,s){!function e(i,n,r,o,s){for(;o>r;){if(o-r>600){var a=o-r+1,h=n-r+1,c=Math.log(a),l=.5*Math.exp(2*c/3),u=.5*Math.sqrt(c*l*(a-l)/a)*(h-a/2<0?-1:1),p=Math.max(r,Math.floor(n-h*l/a+u)),d=Math.min(o,Math.floor(n+(a-h)*l/a+u));e(i,n,p,d,s)}var f=i[n],_=r,g=o;for(t(i,r,n),s(i[o],f)>0&&t(i,r,o);_0;)g--}0===s(i[r],f)?t(i,r,g):t(i,++g,o),g<=n&&(r=g+1),n<=g&&(o=g-1)}}(i,n,r||0,o||i.length-1,s||e)}}()},function(t,e,i){"use strict";i.r(e),i.d(e,"createStyleFunction",function(){return h});var n=i(9),r=i(1),o=i(3),s=i(13),a=function(t){function e(e){if(t.call(this),this.id_=void 0,this.geometryName_="geometry",this.style_=null,this.styleFunction_=void 0,this.geometryChangeKey_=null,Object(r.a)(this,Object(s.b)(this.geometryName_),this.handleGeometryChanged_,this),e)if("function"==typeof e.getSimplifiedGeometry){var i=e;this.setGeometry(i)}else{var n=e;this.setProperties(n)}}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.clone=function(){var t=new e(this.getProperties());t.setGeometryName(this.getGeometryName());var i=this.getGeometry();i&&t.setGeometry(i.clone());var n=this.getStyle();return n&&t.setStyle(n),t},e.prototype.getGeometry=function(){return this.get(this.geometryName_)},e.prototype.getId=function(){return this.id_},e.prototype.getGeometryName=function(){return this.geometryName_},e.prototype.getStyle=function(){return this.style_},e.prototype.getStyleFunction=function(){return this.styleFunction_},e.prototype.handleGeometryChange_=function(){this.changed()},e.prototype.handleGeometryChanged_=function(){this.geometryChangeKey_&&(Object(r.e)(this.geometryChangeKey_),this.geometryChangeKey_=null);var t=this.getGeometry();t&&(this.geometryChangeKey_=Object(r.a)(t,o.a.CHANGE,this.handleGeometryChange_,this)),this.changed()},e.prototype.setGeometry=function(t){this.set(this.geometryName_,t)},e.prototype.setStyle=function(t){this.style_=t,this.styleFunction_=t?h(t):void 0,this.changed()},e.prototype.setId=function(t){this.id_=t,this.changed()},e.prototype.setGeometryName=function(t){Object(r.c)(this,Object(s.b)(this.geometryName_),this.handleGeometryChanged_,this),this.geometryName_=t,Object(r.a)(this,Object(s.b)(this.geometryName_),this.handleGeometryChanged_,this),this.handleGeometryChanged_()},e}(s.a);function h(t){return"function"==typeof t?t:(Array.isArray(t)?e=t:(Object(n.a)("function"==typeof t.getZIndex,41),e=[t]),function(){return e});var e}e.default=a},function(t,e,i){"use strict";i.r(e);var n=i(37),r=i(44),o=i(73),s=i(11),a=i(77),h="renderOrder",c=function(t){function e(e){var i=e||{},r=Object(s.a)({},i);delete r.style,delete r.renderBuffer,delete r.updateWhileAnimating,delete r.updateWhileInteracting,t.call(this,r),this.declutter_=void 0!==i.declutter&&i.declutter,this.renderBuffer_=void 0!==i.renderBuffer?i.renderBuffer:100,this.style_=null,this.styleFunction_=void 0,this.setStyle(i.style),this.updateWhileAnimating_=void 0!==i.updateWhileAnimating&&i.updateWhileAnimating,this.updateWhileInteracting_=void 0!==i.updateWhileInteracting&&i.updateWhileInteracting,this.renderMode_=i.renderMode||o.a.VECTOR,this.type=n.a.VECTOR}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getDeclutter=function(){return this.declutter_},e.prototype.setDeclutter=function(t){this.declutter_=t},e.prototype.getRenderBuffer=function(){return this.renderBuffer_},e.prototype.getRenderOrder=function(){return this.get(h)},e.prototype.getStyle=function(){return this.style_},e.prototype.getStyleFunction=function(){return this.styleFunction_},e.prototype.getUpdateWhileAnimating=function(){return this.updateWhileAnimating_},e.prototype.getUpdateWhileInteracting=function(){return this.updateWhileInteracting_},e.prototype.setRenderOrder=function(t){this.set(h,t)},e.prototype.setStyle=function(t){this.style_=void 0!==t?t:a.createDefaultStyle,this.styleFunction_=null===t?void 0:Object(a.toFunction)(this.style_),this.changed()},e.prototype.getRenderMode=function(){return this.renderMode_},e}(r.a);c.prototype.getSource,e.default=c},function(t,e,i){"use strict";i.r(e),i.d(e,"ATTRIBUTION",function(){return n});var n='© OpenStreetMap contributors.',r=function(t){function e(e){var i,r=e||{};i=void 0!==r.attributions?r.attributions:[n];var o=void 0!==r.crossOrigin?r.crossOrigin:"anonymous",s=void 0!==r.url?r.url:"https://{a-c}.tile.openstreetmap.org/{z}/{x}/{y}.png";t.call(this,{attributions:i,cacheSize:r.cacheSize,crossOrigin:o,opaque:void 0===r.opaque||r.opaque,maxZoom:void 0!==r.maxZoom?r.maxZoom:19,reprojectionErrorThreshold:r.reprojectionErrorThreshold,tileLoadFunction:r.tileLoadFunction,url:s,wrapX:r.wrapX,attributionsCollapsible:!1})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(i(81).default);e.default=r},function(t,e,i){"use strict";i.r(e);var n=i(66),r=i(26),o=i(14),s=i(10),a=i(1),h=i(3),c=function(){var t;return function(){if(!t){var e=document.body;e.webkitRequestFullscreen?t="webkitfullscreenchange":e.mozRequestFullScreen?t="mozfullscreenchange":e.msRequestFullscreen?t="MSFullscreenChange":e.requestFullscreen&&(t="fullscreenchange")}return t}}();function l(){var t=document.body;return!!(t.webkitRequestFullscreen||t.mozRequestFullScreen&&document.mozFullScreenEnabled||t.msRequestFullscreen&&document.msFullscreenEnabled||t.requestFullscreen&&document.fullscreenEnabled)}function u(){return!!(document.webkitIsFullScreen||document.mozFullScreen||document.msFullscreenElement||document.fullscreenElement)}function p(t){t.requestFullscreen?t.requestFullscreen():t.msRequestFullscreen?t.msRequestFullscreen():t.mozRequestFullScreen?t.mozRequestFullScreen():t.webkitRequestFullscreen&&t.webkitRequestFullscreen()}var d=function(t){function e(e){var i=e||{};t.call(this,{element:document.createElement("div"),target:i.target}),this.cssClassName_=void 0!==i.className?i.className:"ol-full-screen";var n=void 0!==i.label?i.label:"⤢";this.labelNode_="string"==typeof n?document.createTextNode(n):n;var r=void 0!==i.labelActive?i.labelActive:"×";this.labelActiveNode_="string"==typeof r?document.createTextNode(r):r,this.button_=document.createElement("button");var s=i.tipLabel?i.tipLabel:"Toggle full-screen";this.setClassName_(this.button_,u()),this.button_.setAttribute("type","button"),this.button_.title=s,this.button_.appendChild(this.labelNode_),Object(a.a)(this.button_,h.a.CLICK,this.handleClick_,this);var c=this.cssClassName_+" "+o.e+" "+o.b+" "+(l()?"":o.f),p=this.element;p.className=c,p.appendChild(this.button_),this.keys_=void 0!==i.keys&&i.keys,this.source_=i.source}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.handleClick_=function(t){t.preventDefault(),this.handleFullScreen_()},e.prototype.handleFullScreen_=function(){if(l()){var t,e=this.getMap();if(e)if(u())document.exitFullscreen?document.exitFullscreen():document.msExitFullscreen?document.msExitFullscreen():document.mozCancelFullScreen?document.mozCancelFullScreen():document.webkitExitFullscreen&&document.webkitExitFullscreen();else t=this.source_?"string"==typeof this.source_?document.getElementById(this.source_):this.source_:e.getTargetElement(),this.keys_?function(t){t.mozRequestFullScreenWithKeys?t.mozRequestFullScreenWithKeys():t.webkitRequestFullscreen?t.webkitRequestFullscreen():p(t)}(t):p(t)}},e.prototype.handleFullScreenChange_=function(){var t=this.getMap();u()?(this.setClassName_(this.button_,!0),Object(s.f)(this.labelActiveNode_,this.labelNode_)):(this.setClassName_(this.button_,!1),Object(s.f)(this.labelNode_,this.labelActiveNode_)),t&&t.updateSize()},e.prototype.setClassName_=function(t,e){var i=this.cssClassName_+"-true",n=this.cssClassName_+"-false",r=e?i:n;t.classList.remove(i),t.classList.remove(n),t.classList.add(r)},e.prototype.setMap=function(e){t.prototype.setMap.call(this,e),e&&this.listenerKeys.push(Object(a.a)(document,c(),this.handleFullScreenChange_,this))},e}(r.a),f=i(13),_=i(16),g="projection";function v(t){var e=t.frameState;e?this.mapProjection_!=e.viewState.projection&&(this.mapProjection_=e.viewState.projection,this.transform_=null):this.mapProjection_=null}var y=function(t){function e(e){var i=e||{},n=document.createElement("div");n.className=void 0!==i.className?i.className:"ol-mouse-position",t.call(this,{element:n,render:i.render||v,target:i.target}),Object(a.a)(this,Object(f.b)(g),this.handleProjectionChanged_,this),i.coordinateFormat&&this.setCoordinateFormat(i.coordinateFormat),i.projection&&this.setProjection(i.projection),this.undefinedHTML_=void 0!==i.undefinedHTML?i.undefinedHTML:" ",this.renderOnMouseOut_=!!this.undefinedHTML_,this.renderedHTML_=n.innerHTML,this.mapProjection_=null,this.transform_=null,this.lastMouseMovePixel_=null}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.handleProjectionChanged_=function(){this.transform_=null},e.prototype.getCoordinateFormat=function(){return this.get("coordinateFormat")},e.prototype.getProjection=function(){return this.get(g)},e.prototype.handleMouseMove=function(t){var e=this.getMap();this.lastMouseMovePixel_=e.getEventPixel(t),this.updateHTML_(this.lastMouseMovePixel_)},e.prototype.handleMouseOut=function(t){this.updateHTML_(null),this.lastMouseMovePixel_=null},e.prototype.setMap=function(e){if(t.prototype.setMap.call(this,e),e){var i=e.getViewport();this.listenerKeys.push(Object(a.a)(i,h.a.MOUSEMOVE,this.handleMouseMove,this),Object(a.a)(i,h.a.TOUCHSTART,this.handleMouseMove,this)),this.renderOnMouseOut_&&this.listenerKeys.push(Object(a.a)(i,h.a.MOUSEOUT,this.handleMouseOut,this),Object(a.a)(i,h.a.TOUCHEND,this.handleMouseOut,this))}},e.prototype.setCoordinateFormat=function(t){this.set("coordinateFormat",t)},e.prototype.setProjection=function(t){this.set(g,Object(_.get)(t))},e.prototype.updateHTML_=function(t){var e=this.undefinedHTML_;if(t&&this.mapProjection_){if(!this.transform_){var i=this.getProjection();this.transform_=i?Object(_.getTransformFromProjections)(this.mapProjection_,i):_.identityTransform}var n=this.getMap().getCoordinateFromPixel(t);if(n){this.transform_(n,n);var r=this.getCoordinateFormat();e=r?r(n):n.toString()}}this.renderedHTML_&&e===this.renderedHTML_||(this.element.innerHTML=e,this.renderedHTML_=e)},e}(r.a),m=i(28),b=i(80),O=i(46),E=i(31),T=i(43),x=i(79),C=i(32),R=i(25),S=i(34),I=i(0);function j(t){this.validateExtent_(),this.updateBox_()}var w=function(t){function e(e){var i=e||{};t.call(this,{element:document.createElement("div"),render:i.render||j,target:i.target}),this.collapsed_=void 0===i.collapsed||i.collapsed,this.collapsible_=void 0===i.collapsible||i.collapsible,this.collapsible_||(this.collapsed_=!1);var n=void 0!==i.className?i.className:"ol-overviewmap",r=void 0!==i.tipLabel?i.tipLabel:"Overview map",s=void 0!==i.collapseLabel?i.collapseLabel:"«";"string"==typeof s?(this.collapseLabel_=document.createElement("span"),this.collapseLabel_.textContent=s):this.collapseLabel_=s;var c=void 0!==i.label?i.label:"»";"string"==typeof c?(this.label_=document.createElement("span"),this.label_.textContent=c):this.label_=c;var l=this.collapsible_&&!this.collapsed_?this.collapseLabel_:this.label_,u=document.createElement("button");u.setAttribute("type","button"),u.title=r,u.appendChild(l),Object(a.a)(u,h.a.CLICK,this.handleClick_,this),this.ovmapDiv_=document.createElement("div"),this.ovmapDiv_.className="ol-overviewmap-map",this.ovmap_=new b.default({controls:new m.a,interactions:new m.a,view:i.view});var p=this.ovmap_;i.layers&&i.layers.forEach(function(t){p.addLayer(t)}.bind(this));var d=document.createElement("div");d.className="ol-overviewmap-box",d.style.boxSizing="border-box",this.boxOverlay_=new x.default({position:[0,0],positioning:C.a.BOTTOM_LEFT,element:d}),this.ovmap_.addOverlay(this.boxOverlay_);var f=n+" "+o.e+" "+o.b+(this.collapsed_&&this.collapsible_?" "+o.a:"")+(this.collapsible_?"":" ol-uncollapsible"),_=this.element;_.className=f,_.appendChild(this.ovmapDiv_),_.appendChild(u);var g=this,v=this.boxOverlay_,y=this.boxOverlay_.getElement(),O=function(t){var e=function(t){return{clientX:t.clientX-y.offsetWidth/2,clientY:t.clientY+y.offsetHeight/2}}(t),i=p.getEventCoordinate(e);v.setPosition(i)},E=function(t){var e=p.getEventCoordinate(t);g.getMap().getView().setCenter(e),window.removeEventListener("mousemove",O),window.removeEventListener("mouseup",E)};y.addEventListener("mousedown",function(){window.addEventListener("mousemove",O),window.addEventListener("mouseup",E)})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.setMap=function(e){var i=this.getMap();if(e!==i){if(i){var n=i.getView();n&&this.unbindView_(n),this.ovmap_.setTarget(null)}if(t.prototype.setMap.call(this,e),e){this.ovmap_.setTarget(this.ovmapDiv_),this.listenerKeys.push(Object(a.a)(e,T.a.PROPERTYCHANGE,this.handleMapPropertyChange_,this)),0===this.ovmap_.getLayers().getLength()&&this.ovmap_.setLayerGroup(e.getLayerGroup());var r=e.getView();r&&(this.bindView_(r),r.isDef()&&(this.ovmap_.updateSize(),this.resetExtent_()))}}},e.prototype.handleMapPropertyChange_=function(t){if(t.key===E.a.VIEW){var e=t.oldValue;e&&this.unbindView_(e);var i=this.getMap().getView();this.bindView_(i)}},e.prototype.bindView_=function(t){Object(a.a)(t,Object(f.b)(R.a.ROTATION),this.handleRotationChanged_,this)},e.prototype.unbindView_=function(t){Object(a.c)(t,Object(f.b)(R.a.ROTATION),this.handleRotationChanged_,this)},e.prototype.handleRotationChanged_=function(){this.ovmap_.getView().setRotation(this.getMap().getView().getRotation())},e.prototype.validateExtent_=function(){var t=this.getMap(),e=this.ovmap_;if(t.isRendered()&&e.isRendered()){var i=t.getSize(),n=t.getView().calculateExtent(i),r=e.getSize(),o=e.getView().calculateExtent(r),s=e.getPixelFromCoordinate(Object(I.C)(n)),a=e.getPixelFromCoordinate(Object(I.w)(n)),h=Math.abs(s[0]-a[0]),c=Math.abs(s[1]-a[1]),l=r[0],u=r[1];h<.1*l||c<.1*u||h>.75*l||c>.75*u?this.resetExtent_():Object(I.g)(o,n)||this.recenter_()}},e.prototype.resetExtent_=function(){var t=this.getMap(),e=this.ovmap_,i=t.getSize(),n=t.getView().calculateExtent(i),r=e.getView(),o=Math.log(7.5)/Math.LN2,s=1/(.1*Math.pow(2,o/2));Object(I.J)(n,s),r.fit(n)},e.prototype.recenter_=function(){var t=this.getMap(),e=this.ovmap_,i=t.getView();e.getView().setCenter(i.getCenter())},e.prototype.updateBox_=function(){var t=this.getMap(),e=this.ovmap_;if(t.isRendered()&&e.isRendered()){var i=t.getSize(),n=t.getView(),r=e.getView(),o=n.getRotation(),s=this.boxOverlay_,a=this.boxOverlay_.getElement(),h=n.calculateExtent(i),c=r.getResolution(),l=Object(I.v)(h),u=Object(I.D)(h),p=this.calculateCoordinateRotate_(o,l);s.setPosition(p),a&&(a.style.width=Math.abs((l[0]-u[0])/c)+"px",a.style.height=Math.abs((u[1]-l[1])/c)+"px")}},e.prototype.calculateCoordinateRotate_=function(t,e){var i,n=this.getMap().getView().getCenter();return n&&(i=[e[0]-n[0],e[1]-n[1]],Object(S.c)(i,t),Object(S.a)(i,n)),i},e.prototype.handleClick_=function(t){t.preventDefault(),this.handleToggle_()},e.prototype.handleToggle_=function(){this.element.classList.toggle(o.a),this.collapsed_?Object(s.f)(this.collapseLabel_,this.label_):Object(s.f)(this.label_,this.collapseLabel_),this.collapsed_=!this.collapsed_;var t=this.ovmap_;this.collapsed_||t.isRendered()||(t.updateSize(),this.resetExtent_(),Object(a.b)(t,O.a.POSTRENDER,function(t){this.updateBox_()},this))},e.prototype.getCollapsible=function(){return this.collapsible_},e.prototype.setCollapsible=function(t){this.collapsible_!==t&&(this.collapsible_=t,this.element.classList.toggle("ol-uncollapsible"),!t&&this.collapsed_&&this.handleToggle_())},e.prototype.setCollapsed=function(t){this.collapsible_&&this.collapsed_!==t&&this.handleToggle_()},e.prototype.getCollapsed=function(){return this.collapsed_},e.prototype.getOverviewMap=function(){return this.ovmap_},e}(r.a),L=i(65),M=i(9),P=i(20),F="units",A={DEGREES:"degrees",IMPERIAL:"imperial",NAUTICAL:"nautical",METRIC:"metric",US:"us"},D=[1,2,5];function N(t){var e=t.frameState;this.viewState_=e?e.viewState:null,this.updateElement_()}var k=function(t){function e(e){var i=e||{},n=void 0!==i.className?i.className:"ol-scale-line";t.call(this,{element:document.createElement("div"),render:i.render||N,target:i.target}),this.innerElement_=document.createElement("div"),this.innerElement_.className=n+"-inner",this.element.className=n+" "+o.e,this.element.appendChild(this.innerElement_),this.viewState_=null,this.minWidth_=void 0!==i.minWidth?i.minWidth:64,this.renderedVisible_=!1,this.renderedWidth_=void 0,this.renderedHTML_="",Object(a.a)(this,Object(f.b)(F),this.handleUnitsChanged_,this),this.setUnits(i.units||A.METRIC)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getUnits=function(){return this.get(F)},e.prototype.handleUnitsChanged_=function(){this.updateElement_()},e.prototype.setUnits=function(t){this.set(F,t)},e.prototype.updateElement_=function(){var t=this.viewState_;if(t){var e=t.center,i=t.projection,n=this.getUnits(),r=n==A.DEGREES?P.b.DEGREES:P.b.METERS,o=Object(_.getPointResolution)(i,t.resolution,e,r);i.getUnits()!=P.b.DEGREES&&i.getMetersPerUnit()&&r==P.b.METERS&&(o*=i.getMetersPerUnit());var s=this.minWidth_*o,a="";if(n==A.DEGREES){var h=P.a[P.b.DEGREES];i.getUnits()==P.b.DEGREES?s*=h:o/=h,s=this.minWidth_)break;++u}var p=c+" "+a;this.renderedHTML_!=p&&(this.innerElement_.innerHTML=p,this.renderedHTML_=p),this.renderedWidth_!=l&&(this.innerElement_.style.width=l+"px",this.renderedWidth_=l),this.renderedVisible_||(this.element.style.display="",this.renderedVisible_=!0)}else this.renderedVisible_&&(this.element.style.display="none",this.renderedVisible_=!1)},e}(r.a),G=i(64),Y=i(12),X=i(21),z=i(22),W=i(6),K=i(30),U=i(61),V={VERTICAL:0,HORIZONTAL:1};function H(t){if(t.frameState){this.sliderInitialized_||this.initSlider_();var e=t.frameState.viewState.resolution;e!==this.currentResolution_&&(this.currentResolution_=e,this.setThumbPosition_(e))}}var B=function(t){function e(e){var i=e||{};t.call(this,{element:document.createElement("div"),render:i.render||H}),this.dragListenerKeys_=[],this.currentResolution_=void 0,this.direction_=V.VERTICAL,this.dragging_,this.heightLimit_=0,this.widthLimit_=0,this.previousX_,this.previousY_,this.thumbSize_=null,this.sliderInitialized_=!1,this.duration_=void 0!==i.duration?i.duration:200;var n=void 0!==i.className?i.className:"ol-zoomslider",r=document.createElement("button");r.setAttribute("type","button"),r.className=n+"-thumb "+o.e;var s=this.element;s.className=n+" "+o.e+" "+o.b,s.appendChild(r),this.dragger_=new U.a(s),Object(a.a)(this.dragger_,K.a.POINTERDOWN,this.handleDraggerStart_,this),Object(a.a)(this.dragger_,K.a.POINTERMOVE,this.handleDraggerDrag_,this),Object(a.a)(this.dragger_,K.a.POINTERUP,this.handleDraggerEnd_,this),Object(a.a)(s,h.a.CLICK,this.handleContainerClick_,this),Object(a.a)(r,h.a.CLICK,z.b)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.disposeInternal=function(){this.dragger_.dispose(),t.prototype.disposeInternal.call(this)},e.prototype.setMap=function(e){t.prototype.setMap.call(this,e),e&&e.render()},e.prototype.initSlider_=function(){var t=this.element,e=t.offsetWidth,i=t.offsetHeight,n=t.firstElementChild,r=getComputedStyle(n),o=n.offsetWidth+parseFloat(r.marginRight)+parseFloat(r.marginLeft),s=n.offsetHeight+parseFloat(r.marginTop)+parseFloat(r.marginBottom);this.thumbSize_=[o,s],e>i?(this.direction_=V.HORIZONTAL,this.widthLimit_=e-o):(this.direction_=V.VERTICAL,this.heightLimit_=i-s),this.sliderInitialized_=!0},e.prototype.handleContainerClick_=function(t){var e=this.getMap().getView(),i=this.getRelativePosition_(t.offsetX-this.thumbSize_[0]/2,t.offsetY-this.thumbSize_[1]/2),n=this.getResolutionForPosition_(i);e.animate({resolution:e.constrainResolution(n),duration:this.duration_,easing:X.b})},e.prototype.handleDraggerStart_=function(t){if(!this.dragging_&&t.originalEvent.target===this.element.firstElementChild&&(this.getMap().getView().setHint(Y.a.INTERACTING,1),this.previousX_=t.clientX,this.previousY_=t.clientY,this.dragging_=!0,0===this.dragListenerKeys_.length)){var e=this.handleDraggerDrag_,i=this.handleDraggerEnd_;this.dragListenerKeys_.push(Object(a.a)(document,h.a.MOUSEMOVE,e,this),Object(a.a)(document,K.a.POINTERMOVE,e,this),Object(a.a)(document,h.a.MOUSEUP,i,this),Object(a.a)(document,K.a.POINTERUP,i,this))}},e.prototype.handleDraggerDrag_=function(t){if(this.dragging_){var e=this.element.firstElementChild,i=t.clientX-this.previousX_+parseFloat(e.style.left),n=t.clientY-this.previousY_+parseFloat(e.style.top),r=this.getRelativePosition_(i,n);this.currentResolution_=this.getResolutionForPosition_(r),this.getMap().getView().setResolution(this.currentResolution_),this.setThumbPosition_(this.currentResolution_),this.previousX_=t.clientX,this.previousY_=t.clientY}},e.prototype.handleDraggerEnd_=function(t){if(this.dragging_){var e=this.getMap().getView();e.setHint(Y.a.INTERACTING,-1),e.animate({resolution:e.constrainResolution(this.currentResolution_),duration:this.duration_,easing:X.b}),this.dragging_=!1,this.previousX_=void 0,this.previousY_=void 0,this.dragListenerKeys_.forEach(a.e),this.dragListenerKeys_.length=0}},e.prototype.setThumbPosition_=function(t){var e=this.getPositionForResolution_(t),i=this.element.firstElementChild;this.direction_==V.HORIZONTAL?i.style.left=this.widthLimit_*e+"px":i.style.top=this.heightLimit_*e+"px"},e.prototype.getRelativePosition_=function(t,e){var i;return i=this.direction_===V.HORIZONTAL?t/this.widthLimit_:e/this.heightLimit_,Object(W.a)(i,0,1)},e.prototype.getResolutionForPosition_=function(t){return this.getMap().getView().getResolutionForValueFunction()(1-t)},e.prototype.getPositionForResolution_=function(t){return 1-this.getMap().getView().getValueForResolutionFunction()(t)},e}(r.a),Z=function(t){function e(e){var i=e||{};t.call(this,{element:document.createElement("div"),target:i.target}),this.extent=i.extent?i.extent:null;var n=void 0!==i.className?i.className:"ol-zoom-extent",r=void 0!==i.label?i.label:"E",s=void 0!==i.tipLabel?i.tipLabel:"Fit to 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@api\n */\nexport function boundingExtent(coordinates) {\n var extent = createEmpty();\n for (var i = 0, ii = coordinates.length; i < ii; ++i) {\n extendCoordinate(extent, coordinates[i]);\n }\n return extent;\n}\n\n\n/**\n * @param {Array} xs Xs.\n * @param {Array} ys Ys.\n * @param {Extent=} opt_extent Destination extent.\n * @private\n * @return {Extent} Extent.\n */\nfunction _boundingExtentXYs(xs, ys, opt_extent) {\n var minX = Math.min.apply(null, xs);\n var minY = Math.min.apply(null, ys);\n var maxX = Math.max.apply(null, xs);\n var maxY = Math.max.apply(null, ys);\n return createOrUpdate(minX, minY, maxX, maxY, opt_extent);\n}\n\n\n/**\n * Return extent increased by the provided value.\n * @param {Extent} extent Extent.\n * @param {number} value The amount by which the extent should be buffered.\n * @param {Extent=} opt_extent Extent.\n * @return {Extent} Extent.\n * @api\n */\nexport function buffer(extent, value, opt_extent) {\n if (opt_extent) {\n opt_extent[0] = extent[0] - value;\n opt_extent[1] = extent[1] - value;\n opt_extent[2] = extent[2] + value;\n opt_extent[3] = extent[3] + value;\n return opt_extent;\n } else {\n return [\n extent[0] - value,\n extent[1] - value,\n extent[2] + value,\n extent[3] + value\n ];\n }\n}\n\n\n/**\n * Creates a clone of an extent.\n *\n * @param {Extent} extent Extent to clone.\n * @param {Extent=} opt_extent Extent.\n * @return {Extent} The clone.\n */\nexport function clone(extent, opt_extent) {\n if (opt_extent) {\n opt_extent[0] = extent[0];\n opt_extent[1] = extent[1];\n opt_extent[2] = extent[2];\n opt_extent[3] = extent[3];\n return opt_extent;\n } else {\n return extent.slice();\n }\n}\n\n\n/**\n * @param {Extent} extent Extent.\n * @param {number} x X.\n * @param {number} y Y.\n * @return {number} Closest squared distance.\n */\nexport function closestSquaredDistanceXY(extent, x, y) {\n var dx, dy;\n if (x < extent[0]) {\n dx = extent[0] - x;\n } else if (extent[2] < x) {\n dx = x - extent[2];\n } else {\n dx = 0;\n }\n if (y < extent[1]) {\n dy = extent[1] - y;\n } else if (extent[3] < y) {\n dy = y - extent[3];\n } else {\n dy = 0;\n }\n return dx * dx + dy * dy;\n}\n\n\n/**\n * Check if the passed coordinate is contained or on the edge of the extent.\n *\n * @param {Extent} extent Extent.\n * @param {import(\"./coordinate.js\").Coordinate} coordinate Coordinate.\n * @return {boolean} The coordinate is contained in the extent.\n * @api\n */\nexport function containsCoordinate(extent, coordinate) {\n return containsXY(extent, coordinate[0], coordinate[1]);\n}\n\n\n/**\n * Check if one extent contains another.\n *\n * An extent is deemed contained if it lies completely within the other extent,\n * including if they share one or more edges.\n *\n * @param {Extent} extent1 Extent 1.\n * @param {Extent} extent2 Extent 2.\n * @return {boolean} The second extent is contained by or on the edge of the\n * first.\n * @api\n */\nexport function containsExtent(extent1, extent2) {\n return extent1[0] <= extent2[0] && extent2[2] <= extent1[2] &&\n extent1[1] <= extent2[1] && extent2[3] <= extent1[3];\n}\n\n\n/**\n * Check if the passed coordinate is contained or on the edge of the extent.\n *\n * @param {Extent} extent Extent.\n * @param {number} x X coordinate.\n * @param {number} y Y coordinate.\n * @return {boolean} The x, y values are contained in the extent.\n * @api\n */\nexport function containsXY(extent, x, y) {\n return extent[0] <= x && x <= extent[2] && extent[1] <= y && y <= extent[3];\n}\n\n\n/**\n * Get the relationship between a coordinate and extent.\n * @param {Extent} extent The extent.\n * @param {import(\"./coordinate.js\").Coordinate} coordinate The coordinate.\n * @return {Relationship} The relationship (bitwise compare with\n * import(\"./extent/Relationship.js\").Relationship).\n */\nexport function coordinateRelationship(extent, coordinate) {\n var minX = extent[0];\n var minY = extent[1];\n var maxX = extent[2];\n var maxY = extent[3];\n var x = coordinate[0];\n var y = coordinate[1];\n var relationship = Relationship.UNKNOWN;\n if (x < minX) {\n relationship = relationship | Relationship.LEFT;\n } else if (x > maxX) {\n relationship = relationship | Relationship.RIGHT;\n }\n if (y < minY) {\n relationship = relationship | Relationship.BELOW;\n } else if (y > maxY) {\n relationship = relationship | Relationship.ABOVE;\n }\n if (relationship === Relationship.UNKNOWN) {\n relationship = Relationship.INTERSECTING;\n }\n return relationship;\n}\n\n\n/**\n * Create an empty extent.\n * @return {Extent} Empty extent.\n * @api\n */\nexport function createEmpty() {\n return [Infinity, Infinity, -Infinity, -Infinity];\n}\n\n\n/**\n * Create a new extent or update the provided extent.\n * @param {number} minX Minimum X.\n * @param {number} minY Minimum Y.\n * @param {number} maxX Maximum X.\n * @param {number} maxY Maximum Y.\n * @param {Extent=} opt_extent Destination extent.\n * @return {Extent} Extent.\n */\nexport function createOrUpdate(minX, minY, maxX, maxY, opt_extent) {\n if (opt_extent) {\n opt_extent[0] = minX;\n opt_extent[1] = minY;\n opt_extent[2] = maxX;\n opt_extent[3] = maxY;\n return opt_extent;\n } else {\n return [minX, minY, maxX, maxY];\n }\n}\n\n\n/**\n * Create a new empty extent or make the provided one empty.\n * @param {Extent=} opt_extent Extent.\n * @return {Extent} Extent.\n */\nexport function createOrUpdateEmpty(opt_extent) {\n return createOrUpdate(\n Infinity, Infinity, -Infinity, -Infinity, opt_extent);\n}\n\n\n/**\n * @param {import(\"./coordinate.js\").Coordinate} coordinate Coordinate.\n * @param {Extent=} opt_extent Extent.\n * @return {Extent} Extent.\n */\nexport function createOrUpdateFromCoordinate(coordinate, opt_extent) {\n var x = coordinate[0];\n var y = coordinate[1];\n return createOrUpdate(x, y, x, y, opt_extent);\n}\n\n\n/**\n * @param {Array} coordinates Coordinates.\n * @param {Extent=} opt_extent Extent.\n * @return {Extent} Extent.\n */\nexport function createOrUpdateFromCoordinates(coordinates, opt_extent) {\n var extent = createOrUpdateEmpty(opt_extent);\n return extendCoordinates(extent, coordinates);\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {Extent=} opt_extent Extent.\n * @return {Extent} Extent.\n */\nexport function createOrUpdateFromFlatCoordinates(flatCoordinates, offset, end, stride, opt_extent) {\n var extent = createOrUpdateEmpty(opt_extent);\n return extendFlatCoordinates(extent, flatCoordinates, offset, end, stride);\n}\n\n/**\n * @param {Array>} rings Rings.\n * @param {Extent=} opt_extent Extent.\n * @return {Extent} Extent.\n */\nexport function createOrUpdateFromRings(rings, opt_extent) {\n var extent = createOrUpdateEmpty(opt_extent);\n return extendRings(extent, rings);\n}\n\n\n/**\n * Determine if two extents are equivalent.\n * @param {Extent} extent1 Extent 1.\n * @param {Extent} extent2 Extent 2.\n * @return {boolean} The two extents are equivalent.\n * @api\n */\nexport function equals(extent1, extent2) {\n return extent1[0] == extent2[0] && extent1[2] == extent2[2] &&\n extent1[1] == extent2[1] && extent1[3] == extent2[3];\n}\n\n\n/**\n * Modify an extent to include another extent.\n * @param {Extent} extent1 The extent to be modified.\n * @param {Extent} extent2 The extent that will be included in the first.\n * @return {Extent} A reference to the first (extended) extent.\n * @api\n */\nexport function extend(extent1, extent2) {\n if (extent2[0] < extent1[0]) {\n extent1[0] = extent2[0];\n }\n if (extent2[2] > extent1[2]) {\n extent1[2] = extent2[2];\n }\n if (extent2[1] < extent1[1]) {\n extent1[1] = extent2[1];\n }\n if (extent2[3] > extent1[3]) {\n extent1[3] = extent2[3];\n }\n return extent1;\n}\n\n\n/**\n * @param {Extent} extent Extent.\n * @param {import(\"./coordinate.js\").Coordinate} coordinate Coordinate.\n */\nexport function extendCoordinate(extent, coordinate) {\n if (coordinate[0] < extent[0]) {\n extent[0] = coordinate[0];\n }\n if (coordinate[0] > extent[2]) {\n extent[2] = coordinate[0];\n }\n if (coordinate[1] < extent[1]) {\n extent[1] = coordinate[1];\n }\n if (coordinate[1] > extent[3]) {\n extent[3] = coordinate[1];\n }\n}\n\n\n/**\n * @param {Extent} extent Extent.\n * @param {Array} coordinates Coordinates.\n * @return {Extent} Extent.\n */\nexport function extendCoordinates(extent, coordinates) {\n for (var i = 0, ii = coordinates.length; i < ii; ++i) {\n extendCoordinate(extent, coordinates[i]);\n }\n return extent;\n}\n\n\n/**\n * @param {Extent} extent Extent.\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @return {Extent} Extent.\n */\nexport function extendFlatCoordinates(extent, flatCoordinates, offset, end, stride) {\n for (; offset < end; offset += stride) {\n extendXY(extent, flatCoordinates[offset], flatCoordinates[offset + 1]);\n }\n return extent;\n}\n\n\n/**\n * @param {Extent} extent Extent.\n * @param {Array>} rings Rings.\n * @return {Extent} Extent.\n */\nexport function extendRings(extent, rings) {\n for (var i = 0, ii = rings.length; i < ii; ++i) {\n extendCoordinates(extent, rings[i]);\n }\n return extent;\n}\n\n\n/**\n * @param {Extent} extent Extent.\n * @param {number} x X.\n * @param {number} y Y.\n */\nexport function extendXY(extent, x, y) {\n extent[0] = Math.min(extent[0], x);\n extent[1] = Math.min(extent[1], y);\n extent[2] = Math.max(extent[2], x);\n extent[3] = Math.max(extent[3], y);\n}\n\n\n/**\n * This function calls `callback` for each corner of the extent. If the\n * callback returns a truthy value the function returns that value\n * immediately. Otherwise the function returns `false`.\n * @param {Extent} extent Extent.\n * @param {function(this:T, import(\"./coordinate.js\").Coordinate): S} callback Callback.\n * @param {T=} opt_this Value to use as `this` when executing `callback`.\n * @return {S|boolean} Value.\n * @template S, T\n */\nexport function forEachCorner(extent, callback, opt_this) {\n var val;\n val = callback.call(opt_this, getBottomLeft(extent));\n if (val) {\n return val;\n }\n val = callback.call(opt_this, getBottomRight(extent));\n if (val) {\n return val;\n }\n val = callback.call(opt_this, getTopRight(extent));\n if (val) {\n return val;\n }\n val = callback.call(opt_this, getTopLeft(extent));\n if (val) {\n return val;\n }\n return false;\n}\n\n\n/**\n * Get the size of an extent.\n * @param {Extent} extent Extent.\n * @return {number} Area.\n * @api\n */\nexport function getArea(extent) {\n var area = 0;\n if (!isEmpty(extent)) {\n area = getWidth(extent) * getHeight(extent);\n }\n return area;\n}\n\n\n/**\n * Get the bottom left coordinate of an extent.\n * @param {Extent} extent Extent.\n * @return {import(\"./coordinate.js\").Coordinate} Bottom left coordinate.\n * @api\n */\nexport function getBottomLeft(extent) {\n return [extent[0], extent[1]];\n}\n\n\n/**\n * Get the bottom right coordinate of an extent.\n * @param {Extent} extent Extent.\n * @return {import(\"./coordinate.js\").Coordinate} Bottom right coordinate.\n * @api\n */\nexport function getBottomRight(extent) {\n return [extent[2], extent[1]];\n}\n\n\n/**\n * Get the center coordinate of an extent.\n * @param {Extent} extent Extent.\n * @return {import(\"./coordinate.js\").Coordinate} Center.\n * @api\n */\nexport function getCenter(extent) {\n return [(extent[0] + extent[2]) / 2, (extent[1] + extent[3]) / 2];\n}\n\n\n/**\n * Get a corner coordinate of an extent.\n * @param {Extent} extent Extent.\n * @param {Corner} corner Corner.\n * @return {import(\"./coordinate.js\").Coordinate} Corner coordinate.\n */\nexport function getCorner(extent, corner) {\n var coordinate;\n if (corner === Corner.BOTTOM_LEFT) {\n coordinate = getBottomLeft(extent);\n } else if (corner === Corner.BOTTOM_RIGHT) {\n coordinate = getBottomRight(extent);\n } else if (corner === Corner.TOP_LEFT) {\n coordinate = getTopLeft(extent);\n } else if (corner === Corner.TOP_RIGHT) {\n coordinate = getTopRight(extent);\n } else {\n assert(false, 13); // Invalid corner\n }\n return coordinate;\n}\n\n\n/**\n * @param {Extent} extent1 Extent 1.\n * @param {Extent} extent2 Extent 2.\n * @return {number} Enlarged area.\n */\nexport function getEnlargedArea(extent1, extent2) {\n var minX = Math.min(extent1[0], extent2[0]);\n var minY = Math.min(extent1[1], extent2[1]);\n var maxX = Math.max(extent1[2], extent2[2]);\n var maxY = Math.max(extent1[3], extent2[3]);\n return (maxX - minX) * (maxY - minY);\n}\n\n\n/**\n * @param {import(\"./coordinate.js\").Coordinate} center Center.\n * @param {number} resolution Resolution.\n * @param {number} rotation Rotation.\n * @param {import(\"./size.js\").Size} size Size.\n * @param {Extent=} opt_extent Destination extent.\n * @return {Extent} Extent.\n */\nexport function getForViewAndSize(center, resolution, rotation, size, opt_extent) {\n var dx = resolution * size[0] / 2;\n var dy = resolution * size[1] / 2;\n var cosRotation = Math.cos(rotation);\n var sinRotation = Math.sin(rotation);\n var xCos = dx * cosRotation;\n var xSin = dx * sinRotation;\n var yCos = dy * cosRotation;\n var ySin = dy * sinRotation;\n var x = center[0];\n var y = center[1];\n var x0 = x - xCos + ySin;\n var x1 = x - xCos - ySin;\n var x2 = x + xCos - ySin;\n var x3 = x + xCos + ySin;\n var y0 = y - xSin - yCos;\n var y1 = y - xSin + yCos;\n var y2 = y + xSin + yCos;\n var y3 = y + xSin - yCos;\n return createOrUpdate(\n Math.min(x0, x1, x2, x3), Math.min(y0, y1, y2, y3),\n Math.max(x0, x1, x2, x3), Math.max(y0, y1, y2, y3),\n opt_extent);\n}\n\n\n/**\n * Get the height of an extent.\n * @param {Extent} extent Extent.\n * @return {number} Height.\n * @api\n */\nexport function getHeight(extent) {\n return extent[3] - extent[1];\n}\n\n\n/**\n * @param {Extent} extent1 Extent 1.\n * @param {Extent} extent2 Extent 2.\n * @return {number} Intersection area.\n */\nexport function getIntersectionArea(extent1, extent2) {\n var intersection = getIntersection(extent1, extent2);\n return getArea(intersection);\n}\n\n\n/**\n * Get the intersection of two extents.\n * @param {Extent} extent1 Extent 1.\n * @param {Extent} extent2 Extent 2.\n * @param {Extent=} opt_extent Optional extent to populate with intersection.\n * @return {Extent} Intersecting extent.\n * @api\n */\nexport function getIntersection(extent1, extent2, opt_extent) {\n var intersection = opt_extent ? opt_extent : createEmpty();\n if (intersects(extent1, extent2)) {\n if (extent1[0] > extent2[0]) {\n intersection[0] = extent1[0];\n } else {\n intersection[0] = extent2[0];\n }\n if (extent1[1] > extent2[1]) {\n intersection[1] = extent1[1];\n } else {\n intersection[1] = extent2[1];\n }\n if (extent1[2] < extent2[2]) {\n intersection[2] = extent1[2];\n } else {\n intersection[2] = extent2[2];\n }\n if (extent1[3] < extent2[3]) {\n intersection[3] = extent1[3];\n } else {\n intersection[3] = extent2[3];\n }\n } else {\n createOrUpdateEmpty(intersection);\n }\n return intersection;\n}\n\n\n/**\n * @param {Extent} extent Extent.\n * @return {number} Margin.\n */\nexport function getMargin(extent) {\n return getWidth(extent) + getHeight(extent);\n}\n\n\n/**\n * Get the size (width, height) of an extent.\n * @param {Extent} extent The extent.\n * @return {import(\"./size.js\").Size} The extent size.\n * @api\n */\nexport function getSize(extent) {\n return [extent[2] - extent[0], extent[3] - extent[1]];\n}\n\n\n/**\n * Get the top left coordinate of an extent.\n * @param {Extent} extent Extent.\n * @return {import(\"./coordinate.js\").Coordinate} Top left coordinate.\n * @api\n */\nexport function getTopLeft(extent) {\n return [extent[0], extent[3]];\n}\n\n\n/**\n * Get the top right coordinate of an extent.\n * @param {Extent} extent Extent.\n * @return {import(\"./coordinate.js\").Coordinate} Top right coordinate.\n * @api\n */\nexport function getTopRight(extent) {\n return [extent[2], extent[3]];\n}\n\n\n/**\n * Get the width of an extent.\n * @param {Extent} extent Extent.\n * @return {number} Width.\n * @api\n */\nexport function getWidth(extent) {\n return extent[2] - extent[0];\n}\n\n\n/**\n * Determine if one extent intersects another.\n * @param {Extent} extent1 Extent 1.\n * @param {Extent} extent2 Extent.\n * @return {boolean} The two extents intersect.\n * @api\n */\nexport function intersects(extent1, extent2) {\n return extent1[0] <= extent2[2] &&\n extent1[2] >= extent2[0] &&\n extent1[1] <= extent2[3] &&\n extent1[3] >= extent2[1];\n}\n\n\n/**\n * Determine if an extent is empty.\n * @param {Extent} extent Extent.\n * @return {boolean} Is empty.\n * @api\n */\nexport function isEmpty(extent) {\n return extent[2] < extent[0] || extent[3] < extent[1];\n}\n\n\n/**\n * @param {Extent} extent Extent.\n * @param {Extent=} opt_extent Extent.\n * @return {Extent} Extent.\n */\nexport function returnOrUpdate(extent, opt_extent) {\n if (opt_extent) {\n opt_extent[0] = extent[0];\n opt_extent[1] = extent[1];\n opt_extent[2] = extent[2];\n opt_extent[3] = extent[3];\n return opt_extent;\n } else {\n return extent;\n }\n}\n\n\n/**\n * @param {Extent} extent Extent.\n * @param {number} value Value.\n */\nexport function scaleFromCenter(extent, value) {\n var deltaX = ((extent[2] - extent[0]) / 2) * (value - 1);\n var deltaY = ((extent[3] - extent[1]) / 2) * (value - 1);\n extent[0] -= deltaX;\n extent[2] += deltaX;\n extent[1] -= deltaY;\n extent[3] += deltaY;\n}\n\n\n/**\n * Determine if the segment between two coordinates intersects (crosses,\n * touches, or is contained by) the provided extent.\n * @param {Extent} extent The extent.\n * @param {import(\"./coordinate.js\").Coordinate} start Segment start coordinate.\n * @param {import(\"./coordinate.js\").Coordinate} end Segment end coordinate.\n * @return {boolean} The segment intersects the extent.\n */\nexport function intersectsSegment(extent, start, end) {\n var intersects = false;\n var startRel = coordinateRelationship(extent, start);\n var endRel = coordinateRelationship(extent, end);\n if (startRel === Relationship.INTERSECTING ||\n endRel === Relationship.INTERSECTING) {\n intersects = true;\n } else {\n var minX = extent[0];\n var minY = extent[1];\n var maxX = extent[2];\n var maxY = extent[3];\n var startX = start[0];\n var startY = start[1];\n var endX = end[0];\n var endY = end[1];\n var slope = (endY - startY) / (endX - startX);\n var x, y;\n if (!!(endRel & Relationship.ABOVE) &&\n !(startRel & Relationship.ABOVE)) {\n // potentially intersects top\n x = endX - ((endY - maxY) / slope);\n intersects = x >= minX && x <= maxX;\n }\n if (!intersects && !!(endRel & Relationship.RIGHT) &&\n !(startRel & Relationship.RIGHT)) {\n // potentially intersects right\n y = endY - ((endX - maxX) * slope);\n intersects = y >= minY && y <= maxY;\n }\n if (!intersects && !!(endRel & Relationship.BELOW) &&\n !(startRel & Relationship.BELOW)) {\n // potentially intersects bottom\n x = endX - ((endY - minY) / slope);\n intersects = x >= minX && x <= maxX;\n }\n if (!intersects && !!(endRel & Relationship.LEFT) &&\n !(startRel & Relationship.LEFT)) {\n // potentially intersects left\n y = endY - ((endX - minX) * slope);\n intersects = y >= minY && y <= maxY;\n }\n\n }\n return intersects;\n}\n\n\n/**\n * Apply a transform function to the extent.\n * @param {Extent} extent Extent.\n * @param {import(\"./proj.js\").TransformFunction} transformFn Transform function.\n * Called with `[minX, minY, maxX, maxY]` extent coordinates.\n * @param {Extent=} opt_extent Destination extent.\n * @return {Extent} Extent.\n * @api\n */\nexport function applyTransform(extent, transformFn, opt_extent) {\n var coordinates = [\n extent[0], extent[1],\n extent[0], extent[3],\n extent[2], extent[1],\n extent[2], extent[3]\n ];\n transformFn(coordinates, coordinates, 2);\n var xs = [coordinates[0], coordinates[2], coordinates[4], coordinates[6]];\n var ys = [coordinates[1], coordinates[3], coordinates[5], coordinates[7]];\n return _boundingExtentXYs(xs, ys, opt_extent);\n}\n\n//# sourceMappingURL=extent.js.map","/**\n * @module ol/events\n */\nimport {clear} from './obj.js';\n\n\n/**\n * Key to use with {@link module:ol/Observable~Observable#unByKey}.\n * @typedef {Object} EventsKey\n * @property {Object} [bindTo]\n * @property {ListenerFunction} [boundListener]\n * @property {boolean} callOnce\n * @property {number} [deleteIndex]\n * @property {ListenerFunction} listener\n * @property {import(\"./events/Target.js\").EventTargetLike} target\n * @property {string} type\n * @api\n */\n\n\n/**\n * Listener function. This function is called with an event object as argument.\n * When the function returns `false`, event propagation will stop.\n *\n * @typedef {function((Event|import(\"./events/Event.js\").default)): (void|boolean)} ListenerFunction\n * @api\n */\n\n\n/**\n * @param {EventsKey} listenerObj Listener object.\n * @return {ListenerFunction} Bound listener.\n */\nexport function bindListener(listenerObj) {\n var boundListener = function(evt) {\n var listener = listenerObj.listener;\n var bindTo = listenerObj.bindTo || listenerObj.target;\n if (listenerObj.callOnce) {\n unlistenByKey(listenerObj);\n }\n return listener.call(bindTo, evt);\n };\n listenerObj.boundListener = boundListener;\n return boundListener;\n}\n\n\n/**\n * Finds the matching {@link module:ol/events~EventsKey} in the given listener\n * array.\n *\n * @param {!Array} listeners Array of listeners.\n * @param {!Function} listener The listener function.\n * @param {Object=} opt_this The `this` value inside the listener.\n * @param {boolean=} opt_setDeleteIndex Set the deleteIndex on the matching\n * listener, for {@link module:ol/events~unlistenByKey}.\n * @return {EventsKey|undefined} The matching listener object.\n */\nexport function findListener(listeners, listener, opt_this, opt_setDeleteIndex) {\n var listenerObj;\n for (var i = 0, ii = listeners.length; i < ii; ++i) {\n listenerObj = listeners[i];\n if (listenerObj.listener === listener &&\n listenerObj.bindTo === opt_this) {\n if (opt_setDeleteIndex) {\n listenerObj.deleteIndex = i;\n }\n return listenerObj;\n }\n }\n return undefined;\n}\n\n\n/**\n * @param {import(\"./events/Target.js\").EventTargetLike} target Target.\n * @param {string} type Type.\n * @return {Array|undefined} Listeners.\n */\nexport function getListeners(target, type) {\n var listenerMap = getListenerMap(target);\n return listenerMap ? listenerMap[type] : undefined;\n}\n\n\n/**\n * Get the lookup of listeners.\n * @param {Object} target Target.\n * @param {boolean=} opt_create If a map should be created if it doesn't exist.\n * @return {!Object>} Map of\n * listeners by event type.\n */\nfunction getListenerMap(target, opt_create) {\n var listenerMap = target.ol_lm;\n if (!listenerMap && opt_create) {\n listenerMap = target.ol_lm = {};\n }\n return listenerMap;\n}\n\n\n/**\n * Remove the listener map from a target.\n * @param {Object} target Target.\n */\nfunction removeListenerMap(target) {\n delete target.ol_lm;\n}\n\n\n/**\n * Clean up all listener objects of the given type. All properties on the\n * listener objects will be removed, and if no listeners remain in the listener\n * map, it will be removed from the target.\n * @param {import(\"./events/Target.js\").EventTargetLike} target Target.\n * @param {string} type Type.\n */\nfunction removeListeners(target, type) {\n var listeners = getListeners(target, type);\n if (listeners) {\n for (var i = 0, ii = listeners.length; i < ii; ++i) {\n /** @type {import(\"./events/Target.js\").default} */ (target).\n removeEventListener(type, listeners[i].boundListener);\n clear(listeners[i]);\n }\n listeners.length = 0;\n var listenerMap = getListenerMap(target);\n if (listenerMap) {\n delete listenerMap[type];\n if (Object.keys(listenerMap).length === 0) {\n removeListenerMap(target);\n }\n }\n }\n}\n\n\n/**\n * Registers an event listener on an event target. Inspired by\n * https://google.github.io/closure-library/api/source/closure/goog/events/events.js.src.html\n *\n * This function efficiently binds a `listener` to a `this` object, and returns\n * a key for use with {@link module:ol/events~unlistenByKey}.\n *\n * @param {import(\"./events/Target.js\").EventTargetLike} target Event target.\n * @param {string} type Event type.\n * @param {ListenerFunction} listener Listener.\n * @param {Object=} opt_this Object referenced by the `this` keyword in the\n * listener. Default is the `target`.\n * @param {boolean=} opt_once If true, add the listener as one-off listener.\n * @return {EventsKey} Unique key for the listener.\n */\nexport function listen(target, type, listener, opt_this, opt_once) {\n var listenerMap = getListenerMap(target, true);\n var listeners = listenerMap[type];\n if (!listeners) {\n listeners = listenerMap[type] = [];\n }\n var listenerObj = findListener(listeners, listener, opt_this, false);\n if (listenerObj) {\n if (!opt_once) {\n // Turn one-off listener into a permanent one.\n listenerObj.callOnce = false;\n }\n } else {\n listenerObj = /** @type {EventsKey} */ ({\n bindTo: opt_this,\n callOnce: !!opt_once,\n listener: listener,\n target: target,\n type: type\n });\n /** @type {import(\"./events/Target.js\").default} */ (target).\n addEventListener(type, bindListener(listenerObj));\n listeners.push(listenerObj);\n }\n\n return listenerObj;\n}\n\n\n/**\n * Registers a one-off event listener on an event target. Inspired by\n * https://google.github.io/closure-library/api/source/closure/goog/events/events.js.src.html\n *\n * This function efficiently binds a `listener` as self-unregistering listener\n * to a `this` object, and returns a key for use with\n * {@link module:ol/events~unlistenByKey} in case the listener needs to be\n * unregistered before it is called.\n *\n * When {@link module:ol/events~listen} is called with the same arguments after this\n * function, the self-unregistering listener will be turned into a permanent\n * listener.\n *\n * @param {import(\"./events/Target.js\").EventTargetLike} target Event target.\n * @param {string} type Event type.\n * @param {ListenerFunction} listener Listener.\n * @param {Object=} opt_this Object referenced by the `this` keyword in the\n * listener. Default is the `target`.\n * @return {EventsKey} Key for unlistenByKey.\n */\nexport function listenOnce(target, type, listener, opt_this) {\n return listen(target, type, listener, opt_this, true);\n}\n\n\n/**\n * Unregisters an event listener on an event target. Inspired by\n * https://google.github.io/closure-library/api/source/closure/goog/events/events.js.src.html\n *\n * To return a listener, this function needs to be called with the exact same\n * arguments that were used for a previous {@link module:ol/events~listen} call.\n *\n * @param {import(\"./events/Target.js\").EventTargetLike} target Event target.\n * @param {string} type Event type.\n * @param {ListenerFunction} listener Listener.\n * @param {Object=} opt_this Object referenced by the `this` keyword in the\n * listener. Default is the `target`.\n */\nexport function unlisten(target, type, listener, opt_this) {\n var listeners = getListeners(target, type);\n if (listeners) {\n var listenerObj = findListener(listeners, listener, opt_this, true);\n if (listenerObj) {\n unlistenByKey(listenerObj);\n }\n }\n}\n\n\n/**\n * Unregisters event listeners on an event target. Inspired by\n * https://google.github.io/closure-library/api/source/closure/goog/events/events.js.src.html\n *\n * The argument passed to this function is the key returned from\n * {@link module:ol/events~listen} or {@link module:ol/events~listenOnce}.\n *\n * @param {EventsKey} key The key.\n */\nexport function unlistenByKey(key) {\n if (key && key.target) {\n /** @type {import(\"./events/Target.js\").default} */ (key.target).\n removeEventListener(key.type, key.boundListener);\n var listeners = getListeners(key.target, key.type);\n if (listeners) {\n var i = 'deleteIndex' in key ? key.deleteIndex : listeners.indexOf(key);\n if (i !== -1) {\n listeners.splice(i, 1);\n }\n if (listeners.length === 0) {\n removeListeners(key.target, key.type);\n }\n }\n clear(key);\n }\n}\n\n\n/**\n * Unregisters all event listeners on an event target. Inspired by\n * https://google.github.io/closure-library/api/source/closure/goog/events/events.js.src.html\n *\n * @param {import(\"./events/Target.js\").EventTargetLike} target Target.\n */\nexport function unlistenAll(target) {\n var listenerMap = getListenerMap(target);\n if (listenerMap) {\n for (var type in listenerMap) {\n removeListeners(target, type);\n }\n }\n}\n\n//# sourceMappingURL=events.js.map","/**\n * @module ol/util\n */\n\n/**\n * @return {?} Any return.\n */\nexport function abstract() {\n return /** @type {?} */ ((function() {\n throw new Error('Unimplemented abstract method.');\n })());\n}\n\n/**\n * Inherit the prototype methods from one constructor into another.\n *\n * Usage:\n *\n * function ParentClass(a, b) { }\n * ParentClass.prototype.foo = function(a) { }\n *\n * function ChildClass(a, b, c) {\n * // Call parent constructor\n * ParentClass.call(this, a, b);\n * }\n * inherits(ChildClass, ParentClass);\n *\n * var child = new ChildClass('a', 'b', 'see');\n * child.foo(); // This works.\n *\n * @param {!Function} childCtor Child constructor.\n * @param {!Function} parentCtor Parent constructor.\n * @function module:ol.inherits\n * @deprecated\n * @api\n */\nexport function inherits(childCtor, parentCtor) {\n childCtor.prototype = Object.create(parentCtor.prototype);\n childCtor.prototype.constructor = childCtor;\n}\n\n/**\n * Counter for getUid.\n * @type {number}\n * @private\n */\nvar uidCounter_ = 0;\n\n/**\n * Gets a unique ID for an object. This mutates the object so that further calls\n * with the same object as a parameter returns the same value. Unique IDs are generated\n * as a strictly increasing sequence. Adapted from goog.getUid.\n *\n * @param {Object} obj The object to get the unique ID for.\n * @return {string} The unique ID for the object.\n * @function module:ol.getUid\n * @api\n */\nexport function getUid(obj) {\n return obj.ol_uid || (obj.ol_uid = String(++uidCounter_));\n}\n\n/**\n * OpenLayers version.\n * @type {string}\n */\nexport var VERSION = '5.3.0';\n\n//# sourceMappingURL=util.js.map","/**\n * @module ol/events/EventType\n */\n\n/**\n * @enum {string}\n * @const\n */\nexport default {\n /**\n * Generic change event. Triggered when the revision counter is increased.\n * @event module:ol/events/Event~Event#change\n * @api\n */\n CHANGE: 'change',\n\n CLEAR: 'clear',\n CONTEXTMENU: 'contextmenu',\n CLICK: 'click',\n DBLCLICK: 'dblclick',\n DRAGENTER: 'dragenter',\n DRAGOVER: 'dragover',\n DROP: 'drop',\n ERROR: 'error',\n KEYDOWN: 'keydown',\n KEYPRESS: 'keypress',\n LOAD: 'load',\n MOUSEDOWN: 'mousedown',\n MOUSEMOVE: 'mousemove',\n MOUSEOUT: 'mouseout',\n MOUSEUP: 'mouseup',\n MOUSEWHEEL: 'mousewheel',\n MSPOINTERDOWN: 'MSPointerDown',\n RESIZE: 'resize',\n TOUCHSTART: 'touchstart',\n TOUCHMOVE: 'touchmove',\n TOUCHEND: 'touchend',\n WHEEL: 'wheel'\n};\n\n//# sourceMappingURL=EventType.js.map","/**\n * @module ol/render/canvas\n */\nimport {getFontFamilies} from '../css.js';\nimport {createCanvasContext2D} from '../dom.js';\nimport {clear} from '../obj.js';\nimport LRUCache from '../structs/LRUCache.js';\nimport {create as createTransform} from '../transform.js';\n\n\n/**\n * @typedef {Object} FillState\n * @property {import(\"../colorlike.js\").ColorLike} fillStyle\n */\n\n\n/**\n * @typedef {Object} FillStrokeState\n * @property {import(\"../colorlike.js\").ColorLike} [currentFillStyle]\n * @property {import(\"../colorlike.js\").ColorLike} [currentStrokeStyle]\n * @property {string} [currentLineCap]\n * @property {Array} currentLineDash\n * @property {number} [currentLineDashOffset]\n * @property {string} [currentLineJoin]\n * @property {number} [currentLineWidth]\n * @property {number} [currentMiterLimit]\n * @property {number} [lastStroke]\n * @property {import(\"../colorlike.js\").ColorLike} [fillStyle]\n * @property {import(\"../colorlike.js\").ColorLike} [strokeStyle]\n * @property {string} [lineCap]\n * @property {Array} lineDash\n * @property {number} [lineDashOffset]\n * @property {string} [lineJoin]\n * @property {number} [lineWidth]\n * @property {number} [miterLimit]\n */\n\n\n/**\n * @typedef {Object} StrokeState\n * @property {string} lineCap\n * @property {Array} lineDash\n * @property {number} lineDashOffset\n * @property {string} lineJoin\n * @property {number} lineWidth\n * @property {number} miterLimit\n * @property {import(\"../colorlike.js\").ColorLike} strokeStyle\n */\n\n\n/**\n * @typedef {Object} TextState\n * @property {string} font\n * @property {string} [textAlign]\n * @property {string} textBaseline\n * @property {string} [placement]\n * @property {number} [maxAngle]\n * @property {boolean} [overflow]\n * @property {import(\"../style/Fill.js\").default} [backgroundFill]\n * @property {import(\"../style/Stroke.js\").default} [backgroundStroke]\n * @property {number} [scale]\n * @property {Array} [padding]\n */\n\n\n/**\n * Container for decluttered replay instructions that need to be rendered or\n * omitted together, i.e. when styles render both an image and text, or for the\n * characters that form text along lines. The basic elements of this array are\n * `[minX, minY, maxX, maxY, count]`, where the first four entries are the\n * rendered extent of the group in pixel space. `count` is the number of styles\n * in the group, i.e. 2 when an image and a text are grouped, or 1 otherwise.\n * In addition to these four elements, declutter instruction arrays (i.e. the\n * arguments to {@link module:ol/render/canvas~drawImage} are appended to the array.\n * @typedef {Array<*>} DeclutterGroup\n */\n\n\n/**\n * @const\n * @type {string}\n */\nexport var defaultFont = '10px sans-serif';\n\n\n/**\n * @const\n * @type {import(\"../color.js\").Color}\n */\nexport var defaultFillStyle = [0, 0, 0, 1];\n\n\n/**\n * @const\n * @type {string}\n */\nexport var defaultLineCap = 'round';\n\n\n/**\n * @const\n * @type {Array}\n */\nexport var defaultLineDash = [];\n\n\n/**\n * @const\n * @type {number}\n */\nexport var defaultLineDashOffset = 0;\n\n\n/**\n * @const\n * @type {string}\n */\nexport var defaultLineJoin = 'round';\n\n\n/**\n * @const\n * @type {number}\n */\nexport var defaultMiterLimit = 10;\n\n\n/**\n * @const\n * @type {import(\"../color.js\").Color}\n */\nexport var defaultStrokeStyle = [0, 0, 0, 1];\n\n\n/**\n * @const\n * @type {string}\n */\nexport var defaultTextAlign = 'center';\n\n\n/**\n * @const\n * @type {string}\n */\nexport var defaultTextBaseline = 'middle';\n\n\n/**\n * @const\n * @type {Array}\n */\nexport var defaultPadding = [0, 0, 0, 0];\n\n\n/**\n * @const\n * @type {number}\n */\nexport var defaultLineWidth = 1;\n\n\n/**\n * The label cache for text rendering. To change the default cache size of 2048\n * entries, use {@link module:ol/structs/LRUCache#setSize}.\n * @type {LRUCache}\n * @api\n */\nexport var labelCache = new LRUCache();\n\n\n/**\n * @type {!Object}\n */\nexport var checkedFonts = {};\n\n\n/**\n * @type {CanvasRenderingContext2D}\n */\nvar measureContext = null;\n\n\n/**\n * @type {!Object}\n */\nexport var textHeights = {};\n\n\n/**\n * Clears the label cache when a font becomes available.\n * @param {string} fontSpec CSS font spec.\n */\nexport var checkFont = (function() {\n var retries = 60;\n var checked = checkedFonts;\n var size = '32px ';\n var referenceFonts = ['monospace', 'serif'];\n var len = referenceFonts.length;\n var text = 'wmytzilWMYTZIL@#/&?$%10\\uF013';\n var interval, referenceWidth;\n\n function isAvailable(font) {\n var context = getMeasureContext();\n // Check weight ranges according to\n // https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight#Fallback_weights\n for (var weight = 100; weight <= 700; weight += 300) {\n var fontWeight = weight + ' ';\n var available = true;\n for (var i = 0; i < len; ++i) {\n var referenceFont = referenceFonts[i];\n context.font = fontWeight + size + referenceFont;\n referenceWidth = context.measureText(text).width;\n if (font != referenceFont) {\n context.font = fontWeight + size + font + ',' + referenceFont;\n var width = context.measureText(text).width;\n // If width and referenceWidth are the same, then the fallback was used\n // instead of the font we wanted, so the font is not available.\n available = available && width != referenceWidth;\n }\n }\n if (available) {\n // Consider font available when it is available in one weight range.\n //FIXME With this we miss rare corner cases, so we should consider\n //FIXME checking availability for each requested weight range.\n return true;\n }\n }\n return false;\n }\n\n function check() {\n var done = true;\n for (var font in checked) {\n if (checked[font] < retries) {\n if (isAvailable(font)) {\n checked[font] = retries;\n clear(textHeights);\n // Make sure that loaded fonts are picked up by Safari\n measureContext = null;\n labelCache.clear();\n } else {\n ++checked[font];\n done = false;\n }\n }\n }\n if (done) {\n clearInterval(interval);\n interval = undefined;\n }\n }\n\n return function(fontSpec) {\n var fontFamilies = getFontFamilies(fontSpec);\n if (!fontFamilies) {\n return;\n }\n for (var i = 0, ii = fontFamilies.length; i < ii; ++i) {\n var fontFamily = fontFamilies[i];\n if (!(fontFamily in checked)) {\n checked[fontFamily] = retries;\n if (!isAvailable(fontFamily)) {\n checked[fontFamily] = 0;\n if (interval === undefined) {\n interval = setInterval(check, 32);\n }\n }\n }\n }\n };\n})();\n\n\n/**\n * @return {CanvasRenderingContext2D} Measure context.\n */\nfunction getMeasureContext() {\n if (!measureContext) {\n measureContext = createCanvasContext2D(1, 1);\n }\n return measureContext;\n}\n\n\n/**\n * @param {string} font Font to use for measuring.\n * @return {import(\"../size.js\").Size} Measurement.\n */\nexport var measureTextHeight = (function() {\n var span;\n var heights = textHeights;\n return function(font) {\n var height = heights[font];\n if (height == undefined) {\n if (!span) {\n span = document.createElement('span');\n span.textContent = 'M';\n span.style.margin = span.style.padding = '0 !important';\n span.style.position = 'absolute !important';\n span.style.left = '-99999px !important';\n }\n span.style.font = font;\n document.body.appendChild(span);\n height = heights[font] = span.offsetHeight;\n document.body.removeChild(span);\n }\n return height;\n };\n})();\n\n\n/**\n * @param {string} font Font.\n * @param {string} text Text.\n * @return {number} Width.\n */\nexport function measureTextWidth(font, text) {\n var measureContext = getMeasureContext();\n if (font != measureContext.font) {\n measureContext.font = font;\n }\n return measureContext.measureText(text).width;\n}\n\n\n/**\n * @param {CanvasRenderingContext2D} context Context.\n * @param {number} rotation Rotation.\n * @param {number} offsetX X offset.\n * @param {number} offsetY Y offset.\n */\nexport function rotateAtOffset(context, rotation, offsetX, offsetY) {\n if (rotation !== 0) {\n context.translate(offsetX, offsetY);\n context.rotate(rotation);\n context.translate(-offsetX, -offsetY);\n }\n}\n\n\nexport var resetTransform = createTransform();\n\n\n/**\n * @param {CanvasRenderingContext2D} context Context.\n * @param {import(\"../transform.js\").Transform|null} transform Transform.\n * @param {number} opacity Opacity.\n * @param {HTMLImageElement|HTMLCanvasElement|HTMLVideoElement} image Image.\n * @param {number} originX Origin X.\n * @param {number} originY Origin Y.\n * @param {number} w Width.\n * @param {number} h Height.\n * @param {number} x X.\n * @param {number} y Y.\n * @param {number} scale Scale.\n */\nexport function drawImage(context,\n transform, opacity, image, originX, originY, w, h, x, y, scale) {\n var alpha;\n if (opacity != 1) {\n alpha = context.globalAlpha;\n context.globalAlpha = alpha * opacity;\n }\n if (transform) {\n context.setTransform.apply(context, transform);\n }\n\n context.drawImage(image, originX, originY, w, h, x, y, w * scale, h * scale);\n\n if (alpha) {\n context.globalAlpha = alpha;\n }\n if (transform) {\n context.setTransform.apply(context, resetTransform);\n }\n}\n\n//# sourceMappingURL=canvas.js.map","/**\n * @module ol/geom/GeometryType\n */\n\n/**\n * The geometry type. One of `'Point'`, `'LineString'`, `'LinearRing'`,\n * `'Polygon'`, `'MultiPoint'`, `'MultiLineString'`, `'MultiPolygon'`,\n * `'GeometryCollection'`, `'Circle'`.\n * @enum {string}\n */\nexport default {\n POINT: 'Point',\n LINE_STRING: 'LineString',\n LINEAR_RING: 'LinearRing',\n POLYGON: 'Polygon',\n MULTI_POINT: 'MultiPoint',\n MULTI_LINE_STRING: 'MultiLineString',\n MULTI_POLYGON: 'MultiPolygon',\n GEOMETRY_COLLECTION: 'GeometryCollection',\n CIRCLE: 'Circle'\n};\n\n//# sourceMappingURL=GeometryType.js.map","/**\n * @module ol/math\n */\nimport {assert} from './asserts.js';\n\n/**\n * Takes a number and clamps it to within the provided bounds.\n * @param {number} value The input number.\n * @param {number} min The minimum value to return.\n * @param {number} max The maximum value to return.\n * @return {number} The input number if it is within bounds, or the nearest\n * number within the bounds.\n */\nexport function clamp(value, min, max) {\n return Math.min(Math.max(value, min), max);\n}\n\n\n/**\n * Return the hyperbolic cosine of a given number. The method will use the\n * native `Math.cosh` function if it is available, otherwise the hyperbolic\n * cosine will be calculated via the reference implementation of the Mozilla\n * developer network.\n *\n * @param {number} x X.\n * @return {number} Hyperbolic cosine of x.\n */\nexport var cosh = (function() {\n // Wrapped in a iife, to save the overhead of checking for the native\n // implementation on every invocation.\n var cosh;\n if ('cosh' in Math) {\n // The environment supports the native Math.cosh function, use it…\n cosh = Math.cosh;\n } else {\n // … else, use the reference implementation of MDN:\n cosh = function(x) {\n var y = /** @type {Math} */ (Math).exp(x);\n return (y + 1 / y) / 2;\n };\n }\n return cosh;\n}());\n\n\n/**\n * @param {number} x X.\n * @return {number} The smallest power of two greater than or equal to x.\n */\nexport function roundUpToPowerOfTwo(x) {\n assert(0 < x, 29); // `x` must be greater than `0`\n return Math.pow(2, Math.ceil(Math.log(x) / Math.LN2));\n}\n\n\n/**\n * Returns the square of the closest distance between the point (x, y) and the\n * line segment (x1, y1) to (x2, y2).\n * @param {number} x X.\n * @param {number} y Y.\n * @param {number} x1 X1.\n * @param {number} y1 Y1.\n * @param {number} x2 X2.\n * @param {number} y2 Y2.\n * @return {number} Squared distance.\n */\nexport function squaredSegmentDistance(x, y, x1, y1, x2, y2) {\n var dx = x2 - x1;\n var dy = y2 - y1;\n if (dx !== 0 || dy !== 0) {\n var t = ((x - x1) * dx + (y - y1) * dy) / (dx * dx + dy * dy);\n if (t > 1) {\n x1 = x2;\n y1 = y2;\n } else if (t > 0) {\n x1 += dx * t;\n y1 += dy * t;\n }\n }\n return squaredDistance(x, y, x1, y1);\n}\n\n\n/**\n * Returns the square of the distance between the points (x1, y1) and (x2, y2).\n * @param {number} x1 X1.\n * @param {number} y1 Y1.\n * @param {number} x2 X2.\n * @param {number} y2 Y2.\n * @return {number} Squared distance.\n */\nexport function squaredDistance(x1, y1, x2, y2) {\n var dx = x2 - x1;\n var dy = y2 - y1;\n return dx * dx + dy * dy;\n}\n\n\n/**\n * Solves system of linear equations using Gaussian elimination method.\n *\n * @param {Array>} mat Augmented matrix (n x n + 1 column)\n * in row-major order.\n * @return {Array} The resulting vector.\n */\nexport function solveLinearSystem(mat) {\n var n = mat.length;\n\n for (var i = 0; i < n; i++) {\n // Find max in the i-th column (ignoring i - 1 first rows)\n var maxRow = i;\n var maxEl = Math.abs(mat[i][i]);\n for (var r = i + 1; r < n; r++) {\n var absValue = Math.abs(mat[r][i]);\n if (absValue > maxEl) {\n maxEl = absValue;\n maxRow = r;\n }\n }\n\n if (maxEl === 0) {\n return null; // matrix is singular\n }\n\n // Swap max row with i-th (current) row\n var tmp = mat[maxRow];\n mat[maxRow] = mat[i];\n mat[i] = tmp;\n\n // Subtract the i-th row to make all the remaining rows 0 in the i-th column\n for (var j = i + 1; j < n; j++) {\n var coef = -mat[j][i] / mat[i][i];\n for (var k = i; k < n + 1; k++) {\n if (i == k) {\n mat[j][k] = 0;\n } else {\n mat[j][k] += coef * mat[i][k];\n }\n }\n }\n }\n\n // Solve Ax=b for upper triangular matrix A (mat)\n var x = new Array(n);\n for (var l = n - 1; l >= 0; l--) {\n x[l] = mat[l][n] / mat[l][l];\n for (var m = l - 1; m >= 0; m--) {\n mat[m][n] -= mat[m][l] * x[l];\n }\n }\n return x;\n}\n\n\n/**\n * Converts radians to to degrees.\n *\n * @param {number} angleInRadians Angle in radians.\n * @return {number} Angle in degrees.\n */\nexport function toDegrees(angleInRadians) {\n return angleInRadians * 180 / Math.PI;\n}\n\n\n/**\n * Converts degrees to radians.\n *\n * @param {number} angleInDegrees Angle in degrees.\n * @return {number} Angle in radians.\n */\nexport function toRadians(angleInDegrees) {\n return angleInDegrees * Math.PI / 180;\n}\n\n/**\n * Returns the modulo of a / b, depending on the sign of b.\n *\n * @param {number} a Dividend.\n * @param {number} b Divisor.\n * @return {number} Modulo.\n */\nexport function modulo(a, b) {\n var r = a % b;\n return r * b < 0 ? r + b : r;\n}\n\n/**\n * Calculates the linearly interpolated value of x between a and b.\n *\n * @param {number} a Number\n * @param {number} b Number\n * @param {number} x Value to be interpolated.\n * @return {number} Interpolated value.\n */\nexport function lerp(a, b, x) {\n return a + x * (b - a);\n}\n\n//# sourceMappingURL=math.js.map","/**\n * @module ol/TileState\n */\n\n/**\n * @enum {number}\n */\nexport default {\n IDLE: 0,\n LOADING: 1,\n LOADED: 2,\n /**\n * Indicates that tile loading failed\n * @type {number}\n */\n ERROR: 3,\n EMPTY: 4,\n ABORT: 5\n};\n\n//# sourceMappingURL=TileState.js.map","/**\n * @module ol/transform\n */\nimport {assert} from './asserts.js';\n\n\n/**\n * An array representing an affine 2d transformation for use with\n * {@link module:ol/transform} functions. The array has 6 elements.\n * @typedef {!Array} Transform\n */\n\n\n/**\n * Collection of affine 2d transformation functions. The functions work on an\n * array of 6 elements. The element order is compatible with the [SVGMatrix\n * interface](https://developer.mozilla.org/en-US/docs/Web/API/SVGMatrix) and is\n * a subset (elements a to f) of a 3×3 matrix:\n * ```\n * [ a c e ]\n * [ b d f ]\n * [ 0 0 1 ]\n * ```\n */\n\n\n/**\n * @private\n * @type {Transform}\n */\nvar tmp_ = new Array(6);\n\n\n/**\n * Create an identity transform.\n * @return {!Transform} Identity transform.\n */\nexport function create() {\n return [1, 0, 0, 1, 0, 0];\n}\n\n\n/**\n * Resets the given transform to an identity transform.\n * @param {!Transform} transform Transform.\n * @return {!Transform} Transform.\n */\nexport function reset(transform) {\n return set(transform, 1, 0, 0, 1, 0, 0);\n}\n\n\n/**\n * Multiply the underlying matrices of two transforms and return the result in\n * the first transform.\n * @param {!Transform} transform1 Transform parameters of matrix 1.\n * @param {!Transform} transform2 Transform parameters of matrix 2.\n * @return {!Transform} transform1 multiplied with transform2.\n */\nexport function multiply(transform1, transform2) {\n var a1 = transform1[0];\n var b1 = transform1[1];\n var c1 = transform1[2];\n var d1 = transform1[3];\n var e1 = transform1[4];\n var f1 = transform1[5];\n var a2 = transform2[0];\n var b2 = transform2[1];\n var c2 = transform2[2];\n var d2 = transform2[3];\n var e2 = transform2[4];\n var f2 = transform2[5];\n\n transform1[0] = a1 * a2 + c1 * b2;\n transform1[1] = b1 * a2 + d1 * b2;\n transform1[2] = a1 * c2 + c1 * d2;\n transform1[3] = b1 * c2 + d1 * d2;\n transform1[4] = a1 * e2 + c1 * f2 + e1;\n transform1[5] = b1 * e2 + d1 * f2 + f1;\n\n return transform1;\n}\n\n/**\n * Set the transform components a-f on a given transform.\n * @param {!Transform} transform Transform.\n * @param {number} a The a component of the transform.\n * @param {number} b The b component of the transform.\n * @param {number} c The c component of the transform.\n * @param {number} d The d component of the transform.\n * @param {number} e The e component of the transform.\n * @param {number} f The f component of the transform.\n * @return {!Transform} Matrix with transform applied.\n */\nexport function set(transform, a, b, c, d, e, f) {\n transform[0] = a;\n transform[1] = b;\n transform[2] = c;\n transform[3] = d;\n transform[4] = e;\n transform[5] = f;\n return transform;\n}\n\n\n/**\n * Set transform on one matrix from another matrix.\n * @param {!Transform} transform1 Matrix to set transform to.\n * @param {!Transform} transform2 Matrix to set transform from.\n * @return {!Transform} transform1 with transform from transform2 applied.\n */\nexport function setFromArray(transform1, transform2) {\n transform1[0] = transform2[0];\n transform1[1] = transform2[1];\n transform1[2] = transform2[2];\n transform1[3] = transform2[3];\n transform1[4] = transform2[4];\n transform1[5] = transform2[5];\n return transform1;\n}\n\n\n/**\n * Transforms the given coordinate with the given transform returning the\n * resulting, transformed coordinate. The coordinate will be modified in-place.\n *\n * @param {Transform} transform The transformation.\n * @param {import(\"./coordinate.js\").Coordinate|import(\"./pixel.js\").Pixel} coordinate The coordinate to transform.\n * @return {import(\"./coordinate.js\").Coordinate|import(\"./pixel.js\").Pixel} return coordinate so that operations can be\n * chained together.\n */\nexport function apply(transform, coordinate) {\n var x = coordinate[0];\n var y = coordinate[1];\n coordinate[0] = transform[0] * x + transform[2] * y + transform[4];\n coordinate[1] = transform[1] * x + transform[3] * y + transform[5];\n return coordinate;\n}\n\n\n/**\n * Applies rotation to the given transform.\n * @param {!Transform} transform Transform.\n * @param {number} angle Angle in radians.\n * @return {!Transform} The rotated transform.\n */\nexport function rotate(transform, angle) {\n var cos = Math.cos(angle);\n var sin = Math.sin(angle);\n return multiply(transform, set(tmp_, cos, sin, -sin, cos, 0, 0));\n}\n\n\n/**\n * Applies scale to a given transform.\n * @param {!Transform} transform Transform.\n * @param {number} x Scale factor x.\n * @param {number} y Scale factor y.\n * @return {!Transform} The scaled transform.\n */\nexport function scale(transform, x, y) {\n return multiply(transform, set(tmp_, x, 0, 0, y, 0, 0));\n}\n\n\n/**\n * Applies translation to the given transform.\n * @param {!Transform} transform Transform.\n * @param {number} dx Translation x.\n * @param {number} dy Translation y.\n * @return {!Transform} The translated transform.\n */\nexport function translate(transform, dx, dy) {\n return multiply(transform, set(tmp_, 1, 0, 0, 1, dx, dy));\n}\n\n\n/**\n * Creates a composite transform given an initial translation, scale, rotation, and\n * final translation (in that order only, not commutative).\n * @param {!Transform} transform The transform (will be modified in place).\n * @param {number} dx1 Initial translation x.\n * @param {number} dy1 Initial translation y.\n * @param {number} sx Scale factor x.\n * @param {number} sy Scale factor y.\n * @param {number} angle Rotation (in counter-clockwise radians).\n * @param {number} dx2 Final translation x.\n * @param {number} dy2 Final translation y.\n * @return {!Transform} The composite transform.\n */\nexport function compose(transform, dx1, dy1, sx, sy, angle, dx2, dy2) {\n var sin = Math.sin(angle);\n var cos = Math.cos(angle);\n transform[0] = sx * cos;\n transform[1] = sy * sin;\n transform[2] = -sx * sin;\n transform[3] = sy * cos;\n transform[4] = dx2 * sx * cos - dy2 * sx * sin + dx1;\n transform[5] = dx2 * sy * sin + dy2 * sy * cos + dy1;\n return transform;\n}\n\n\n/**\n * Invert the given transform.\n * @param {!Transform} transform Transform.\n * @return {!Transform} Inverse of the transform.\n */\nexport function invert(transform) {\n var det = determinant(transform);\n assert(det !== 0, 32); // Transformation matrix cannot be inverted\n\n var a = transform[0];\n var b = transform[1];\n var c = transform[2];\n var d = transform[3];\n var e = transform[4];\n var f = transform[5];\n\n transform[0] = d / det;\n transform[1] = -b / det;\n transform[2] = -c / det;\n transform[3] = a / det;\n transform[4] = (c * f - d * e) / det;\n transform[5] = -(a * f - b * e) / det;\n\n return transform;\n}\n\n\n/**\n * Returns the determinant of the given matrix.\n * @param {!Transform} mat Matrix.\n * @return {number} Determinant.\n */\nexport function determinant(mat) {\n return mat[0] * mat[3] - mat[1] * mat[2];\n}\n\n//# sourceMappingURL=transform.js.map","/**\n * @module ol/asserts\n */\nimport AssertionError from './AssertionError.js';\n\n/**\n * @param {*} assertion Assertion we expected to be truthy.\n * @param {number} errorCode Error code.\n */\nexport function assert(assertion, errorCode) {\n if (!assertion) {\n throw new AssertionError(errorCode);\n }\n}\n\n//# sourceMappingURL=asserts.js.map","/**\n * @module ol/dom\n */\n\n\n/**\n * Create an html canvas element and returns its 2d context.\n * @param {number=} opt_width Canvas width.\n * @param {number=} opt_height Canvas height.\n * @return {CanvasRenderingContext2D} The context.\n */\nexport function createCanvasContext2D(opt_width, opt_height) {\n var canvas = /** @type {HTMLCanvasElement} */ (document.createElement('canvas'));\n if (opt_width) {\n canvas.width = opt_width;\n }\n if (opt_height) {\n canvas.height = opt_height;\n }\n return /** @type {CanvasRenderingContext2D} */ (canvas.getContext('2d'));\n}\n\n\n/**\n * Get the current computed width for the given element including margin,\n * padding and border.\n * Equivalent to jQuery's `$(el).outerWidth(true)`.\n * @param {!HTMLElement} element Element.\n * @return {number} The width.\n */\nexport function outerWidth(element) {\n var width = element.offsetWidth;\n var style = getComputedStyle(element);\n width += parseInt(style.marginLeft, 10) + parseInt(style.marginRight, 10);\n\n return width;\n}\n\n\n/**\n * Get the current computed height for the given element including margin,\n * padding and border.\n * Equivalent to jQuery's `$(el).outerHeight(true)`.\n * @param {!HTMLElement} element Element.\n * @return {number} The height.\n */\nexport function outerHeight(element) {\n var height = element.offsetHeight;\n var style = getComputedStyle(element);\n height += parseInt(style.marginTop, 10) + parseInt(style.marginBottom, 10);\n\n return height;\n}\n\n/**\n * @param {Node} newNode Node to replace old node\n * @param {Node} oldNode The node to be replaced\n */\nexport function replaceNode(newNode, oldNode) {\n var parent = oldNode.parentNode;\n if (parent) {\n parent.replaceChild(newNode, oldNode);\n }\n}\n\n/**\n * @param {Node} node The node to remove.\n * @returns {Node} The node that was removed or null.\n */\nexport function removeNode(node) {\n return node && node.parentNode ? node.parentNode.removeChild(node) : null;\n}\n\n/**\n * @param {Node} node The node to remove the children from.\n */\nexport function removeChildren(node) {\n while (node.lastChild) {\n node.removeChild(node.lastChild);\n }\n}\n\n//# sourceMappingURL=dom.js.map","/**\n * @module ol/obj\n */\n\n\n/**\n * Polyfill for Object.assign(). Assigns enumerable and own properties from\n * one or more source objects to a target object.\n * See https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Object/assign.\n *\n * @param {!Object} target The target object.\n * @param {...Object} var_sources The source object(s).\n * @return {!Object} The modified target object.\n */\nexport var assign = (typeof Object.assign === 'function') ? Object.assign : function(target, var_sources) {\n var arguments$1 = arguments;\n\n if (target === undefined || target === null) {\n throw new TypeError('Cannot convert undefined or null to object');\n }\n\n var output = Object(target);\n for (var i = 1, ii = arguments.length; i < ii; ++i) {\n var source = arguments$1[i];\n if (source !== undefined && source !== null) {\n for (var key in source) {\n if (source.hasOwnProperty(key)) {\n output[key] = source[key];\n }\n }\n }\n }\n return output;\n};\n\n\n/**\n * Removes all properties from an object.\n * @param {Object} object The object to clear.\n */\nexport function clear(object) {\n for (var property in object) {\n delete object[property];\n }\n}\n\n\n/**\n * Get an array of property values from an object.\n * @param {Object} object The object from which to get the values.\n * @return {!Array} The property values.\n * @template K,V\n */\nexport function getValues(object) {\n var values = [];\n for (var property in object) {\n values.push(object[property]);\n }\n return values;\n}\n\n\n/**\n * Determine if an object has any properties.\n * @param {Object} object The object to check.\n * @return {boolean} The object is empty.\n */\nexport function isEmpty(object) {\n var property;\n for (property in object) {\n return false;\n }\n return !property;\n}\n\n//# sourceMappingURL=obj.js.map","/**\n * @module ol/ViewHint\n */\n\n/**\n * @enum {number}\n */\nexport default {\n ANIMATING: 0,\n INTERACTING: 1\n};\n\n//# sourceMappingURL=ViewHint.js.map","/**\n * @module ol/Object\n */\nimport {getUid} from './util.js';\nimport ObjectEventType from './ObjectEventType.js';\nimport Observable from './Observable.js';\nimport Event from './events/Event.js';\nimport {assign} from './obj.js';\n\n\n/**\n * @classdesc\n * Events emitted by {@link module:ol/Object~BaseObject} instances are instances of this type.\n */\nexport var ObjectEvent = /*@__PURE__*/(function (Event) {\n function ObjectEvent(type, key, oldValue) {\n Event.call(this, type);\n\n /**\n * The name of the property whose value is changing.\n * @type {string}\n * @api\n */\n this.key = key;\n\n /**\n * The old value. To get the new value use `e.target.get(e.key)` where\n * `e` is the event object.\n * @type {*}\n * @api\n */\n this.oldValue = oldValue;\n\n }\n\n if ( Event ) ObjectEvent.__proto__ = Event;\n ObjectEvent.prototype = Object.create( Event && Event.prototype );\n ObjectEvent.prototype.constructor = ObjectEvent;\n\n return ObjectEvent;\n}(Event));\n\n\n/**\n * @classdesc\n * Abstract base class; normally only used for creating subclasses and not\n * instantiated in apps.\n * Most non-trivial classes inherit from this.\n *\n * This extends {@link module:ol/Observable} with observable\n * properties, where each property is observable as well as the object as a\n * whole.\n *\n * Classes that inherit from this have pre-defined properties, to which you can\n * add your owns. The pre-defined properties are listed in this documentation as\n * 'Observable Properties', and have their own accessors; for example,\n * {@link module:ol/Map~Map} has a `target` property, accessed with\n * `getTarget()` and changed with `setTarget()`. Not all properties are however\n * settable. There are also general-purpose accessors `get()` and `set()`. For\n * example, `get('target')` is equivalent to `getTarget()`.\n *\n * The `set` accessors trigger a change event, and you can monitor this by\n * registering a listener. For example, {@link module:ol/View~View} has a\n * `center` property, so `view.on('change:center', function(evt) {...});` would\n * call the function whenever the value of the center property changes. Within\n * the function, `evt.target` would be the view, so `evt.target.getCenter()`\n * would return the new center.\n *\n * You can add your own observable properties with\n * `object.set('prop', 'value')`, and retrieve that with `object.get('prop')`.\n * You can listen for changes on that property value with\n * `object.on('change:prop', listener)`. You can get a list of all\n * properties with {@link module:ol/Object~BaseObject#getProperties}.\n *\n * Note that the observable properties are separate from standard JS properties.\n * You can, for example, give your map object a title with\n * `map.title='New title'` and with `map.set('title', 'Another title')`. The\n * first will be a `hasOwnProperty`; the second will appear in\n * `getProperties()`. Only the second is observable.\n *\n * Properties can be deleted by using the unset method. E.g.\n * object.unset('foo').\n *\n * @fires ObjectEvent\n * @api\n */\nvar BaseObject = /*@__PURE__*/(function (Observable) {\n function BaseObject(opt_values) {\n Observable.call(this);\n\n // Call {@link module:ol/util~getUid} to ensure that the order of objects' ids is\n // the same as the order in which they were created. This also helps to\n // ensure that object properties are always added in the same order, which\n // helps many JavaScript engines generate faster code.\n getUid(this);\n\n /**\n * @private\n * @type {!Object}\n */\n this.values_ = {};\n\n if (opt_values !== undefined) {\n this.setProperties(opt_values);\n }\n }\n\n if ( Observable ) BaseObject.__proto__ = Observable;\n BaseObject.prototype = Object.create( Observable && Observable.prototype );\n BaseObject.prototype.constructor = BaseObject;\n\n /**\n * Gets a value.\n * @param {string} key Key name.\n * @return {*} Value.\n * @api\n */\n BaseObject.prototype.get = function get (key) {\n var value;\n if (this.values_.hasOwnProperty(key)) {\n value = this.values_[key];\n }\n return value;\n };\n\n /**\n * Get a list of object property names.\n * @return {Array} List of property names.\n * @api\n */\n BaseObject.prototype.getKeys = function getKeys () {\n return Object.keys(this.values_);\n };\n\n /**\n * Get an object of all property names and values.\n * @return {Object} Object.\n * @api\n */\n BaseObject.prototype.getProperties = function getProperties () {\n return assign({}, this.values_);\n };\n\n /**\n * @param {string} key Key name.\n * @param {*} oldValue Old value.\n */\n BaseObject.prototype.notify = function notify (key, oldValue) {\n var eventType;\n eventType = getChangeEventType(key);\n this.dispatchEvent(new ObjectEvent(eventType, key, oldValue));\n eventType = ObjectEventType.PROPERTYCHANGE;\n this.dispatchEvent(new ObjectEvent(eventType, key, oldValue));\n };\n\n /**\n * Sets a value.\n * @param {string} key Key name.\n * @param {*} value Value.\n * @param {boolean=} opt_silent Update without triggering an event.\n * @api\n */\n BaseObject.prototype.set = function set (key, value, opt_silent) {\n if (opt_silent) {\n this.values_[key] = value;\n } else {\n var oldValue = this.values_[key];\n this.values_[key] = value;\n if (oldValue !== value) {\n this.notify(key, oldValue);\n }\n }\n };\n\n /**\n * Sets a collection of key-value pairs. Note that this changes any existing\n * properties and adds new ones (it does not remove any existing properties).\n * @param {Object} values Values.\n * @param {boolean=} opt_silent Update without triggering an event.\n * @api\n */\n BaseObject.prototype.setProperties = function setProperties (values, opt_silent) {\n for (var key in values) {\n this.set(key, values[key], opt_silent);\n }\n };\n\n /**\n * Unsets a property.\n * @param {string} key Key name.\n * @param {boolean=} opt_silent Unset without triggering an event.\n * @api\n */\n BaseObject.prototype.unset = function unset (key, opt_silent) {\n if (key in this.values_) {\n var oldValue = this.values_[key];\n delete this.values_[key];\n if (!opt_silent) {\n this.notify(key, oldValue);\n }\n }\n };\n\n return BaseObject;\n}(Observable));\n\n\n/**\n * @type {Object}\n */\nvar changeEventTypeCache = {};\n\n\n/**\n * @param {string} key Key name.\n * @return {string} Change name.\n */\nexport function getChangeEventType(key) {\n return changeEventTypeCache.hasOwnProperty(key) ?\n changeEventTypeCache[key] :\n (changeEventTypeCache[key] = 'change:' + key);\n}\n\n\nexport default BaseObject;\n\n//# sourceMappingURL=Object.js.map","/**\n * @module ol/css\n */\n\n\n/**\n * The CSS class for hidden feature.\n *\n * @const\n * @type {string}\n */\nexport var CLASS_HIDDEN = 'ol-hidden';\n\n\n/**\n * The CSS class that we'll give the DOM elements to have them selectable.\n *\n * @const\n * @type {string}\n */\nexport var CLASS_SELECTABLE = 'ol-selectable';\n\n\n/**\n * The CSS class that we'll give the DOM elements to have them unselectable.\n *\n * @const\n * @type {string}\n */\nexport var CLASS_UNSELECTABLE = 'ol-unselectable';\n\n\n/**\n * The CSS class for unsupported feature.\n *\n * @const\n * @type {string}\n */\nexport var CLASS_UNSUPPORTED = 'ol-unsupported';\n\n\n/**\n * The CSS class for controls.\n *\n * @const\n * @type {string}\n */\nexport var CLASS_CONTROL = 'ol-control';\n\n\n/**\n * The CSS class that we'll give the DOM elements that are collapsed, i.e.\n * to those elements which usually can be expanded.\n *\n * @const\n * @type {string}\n */\nexport var CLASS_COLLAPSED = 'ol-collapsed';\n\n\n/**\n * Get the list of font families from a font spec. Note that this doesn't work\n * for font families that have commas in them.\n * @param {string} The CSS font property.\n * @return {Object} The font families (or null if the input spec is invalid).\n */\nexport var getFontFamilies = (function() {\n var style;\n var cache = {};\n return function(font) {\n if (!style) {\n style = document.createElement('div').style;\n }\n if (!(font in cache)) {\n style.font = font;\n var family = style.fontFamily;\n style.font = '';\n if (!family) {\n return null;\n }\n cache[font] = family.split(/,\\s?/);\n }\n return cache[font];\n };\n})();\n\n//# sourceMappingURL=css.js.map","/**\n * @module ol/array\n */\n\n\n/**\n * Performs a binary search on the provided sorted list and returns the index of the item if found. If it can't be found it'll return -1.\n * https://github.com/darkskyapp/binary-search\n *\n * @param {Array<*>} haystack Items to search through.\n * @param {*} needle The item to look for.\n * @param {Function=} opt_comparator Comparator function.\n * @return {number} The index of the item if found, -1 if not.\n */\nexport function binarySearch(haystack, needle, opt_comparator) {\n var mid, cmp;\n var comparator = opt_comparator || numberSafeCompareFunction;\n var low = 0;\n var high = haystack.length;\n var found = false;\n\n while (low < high) {\n /* Note that \"(low + high) >>> 1\" may overflow, and results in a typecast\n * to double (which gives the wrong results). */\n mid = low + (high - low >> 1);\n cmp = +comparator(haystack[mid], needle);\n\n if (cmp < 0.0) { /* Too low. */\n low = mid + 1;\n\n } else { /* Key found or too high */\n high = mid;\n found = !cmp;\n }\n }\n\n /* Key not found. */\n return found ? low : ~low;\n}\n\n\n/**\n * Compare function for array sort that is safe for numbers.\n * @param {*} a The first object to be compared.\n * @param {*} b The second object to be compared.\n * @return {number} A negative number, zero, or a positive number as the first\n * argument is less than, equal to, or greater than the second.\n */\nexport function numberSafeCompareFunction(a, b) {\n return a > b ? 1 : a < b ? -1 : 0;\n}\n\n\n/**\n * Whether the array contains the given object.\n * @param {Array<*>} arr The array to test for the presence of the element.\n * @param {*} obj The object for which to test.\n * @return {boolean} The object is in the array.\n */\nexport function includes(arr, obj) {\n return arr.indexOf(obj) >= 0;\n}\n\n\n/**\n * @param {Array} arr Array.\n * @param {number} target Target.\n * @param {number} direction 0 means return the nearest, > 0\n * means return the largest nearest, < 0 means return the\n * smallest nearest.\n * @return {number} Index.\n */\nexport function linearFindNearest(arr, target, direction) {\n var n = arr.length;\n if (arr[0] <= target) {\n return 0;\n } else if (target <= arr[n - 1]) {\n return n - 1;\n } else {\n var i;\n if (direction > 0) {\n for (i = 1; i < n; ++i) {\n if (arr[i] < target) {\n return i - 1;\n }\n }\n } else if (direction < 0) {\n for (i = 1; i < n; ++i) {\n if (arr[i] <= target) {\n return i;\n }\n }\n } else {\n for (i = 1; i < n; ++i) {\n if (arr[i] == target) {\n return i;\n } else if (arr[i] < target) {\n if (arr[i - 1] - target < target - arr[i]) {\n return i - 1;\n } else {\n return i;\n }\n }\n }\n }\n return n - 1;\n }\n}\n\n\n/**\n * @param {Array<*>} arr Array.\n * @param {number} begin Begin index.\n * @param {number} end End index.\n */\nexport function reverseSubArray(arr, begin, end) {\n while (begin < end) {\n var tmp = arr[begin];\n arr[begin] = arr[end];\n arr[end] = tmp;\n ++begin;\n --end;\n }\n}\n\n\n/**\n * @param {Array} arr The array to modify.\n * @param {!Array|VALUE} data The elements or arrays of elements to add to arr.\n * @template VALUE\n */\nexport function extend(arr, data) {\n var extension = Array.isArray(data) ? data : [data];\n var length = extension.length;\n for (var i = 0; i < length; i++) {\n arr[arr.length] = extension[i];\n }\n}\n\n\n/**\n * @param {Array} arr The array to modify.\n * @param {VALUE} obj The element to remove.\n * @template VALUE\n * @return {boolean} If the element was removed.\n */\nexport function remove(arr, obj) {\n var i = arr.indexOf(obj);\n var found = i > -1;\n if (found) {\n arr.splice(i, 1);\n }\n return found;\n}\n\n\n/**\n * @param {Array} arr The array to search in.\n * @param {function(VALUE, number, ?) : boolean} func The function to compare.\n * @template VALUE\n * @return {VALUE|null} The element found or null.\n */\nexport function find(arr, func) {\n var length = arr.length >>> 0;\n var value;\n\n for (var i = 0; i < length; i++) {\n value = arr[i];\n if (func(value, i, arr)) {\n return value;\n }\n }\n return null;\n}\n\n\n/**\n * @param {Array|Uint8ClampedArray} arr1 The first array to compare.\n * @param {Array|Uint8ClampedArray} arr2 The second array to compare.\n * @return {boolean} Whether the two arrays are equal.\n */\nexport function equals(arr1, arr2) {\n var len1 = arr1.length;\n if (len1 !== arr2.length) {\n return false;\n }\n for (var i = 0; i < len1; i++) {\n if (arr1[i] !== arr2[i]) {\n return false;\n }\n }\n return true;\n}\n\n\n/**\n * Sort the passed array such that the relative order of equal elements is preverved.\n * See https://en.wikipedia.org/wiki/Sorting_algorithm#Stability for details.\n * @param {Array<*>} arr The array to sort (modifies original).\n * @param {!function(*, *): number} compareFnc Comparison function.\n * @api\n */\nexport function stableSort(arr, compareFnc) {\n var length = arr.length;\n var tmp = Array(arr.length);\n var i;\n for (i = 0; i < length; i++) {\n tmp[i] = {index: i, value: arr[i]};\n }\n tmp.sort(function(a, b) {\n return compareFnc(a.value, b.value) || a.index - b.index;\n });\n for (i = 0; i < arr.length; i++) {\n arr[i] = tmp[i].value;\n }\n}\n\n\n/**\n * @param {Array<*>} arr The array to search in.\n * @param {Function} func Comparison function.\n * @return {number} Return index.\n */\nexport function findIndex(arr, func) {\n var index;\n var found = !arr.every(function(el, idx) {\n index = idx;\n return !func(el, idx, arr);\n });\n return found ? index : -1;\n}\n\n\n/**\n * @param {Array<*>} arr The array to test.\n * @param {Function=} opt_func Comparison function.\n * @param {boolean=} opt_strict Strictly sorted (default false).\n * @return {boolean} Return index.\n */\nexport function isSorted(arr, opt_func, opt_strict) {\n var compare = opt_func || numberSafeCompareFunction;\n return arr.every(function(currentVal, index) {\n if (index === 0) {\n return true;\n }\n var res = compare(arr[index - 1], currentVal);\n return !(res > 0 || opt_strict && res === 0);\n });\n}\n\n//# sourceMappingURL=array.js.map","/**\n * @module ol/proj/Projection\n */\nimport {METERS_PER_UNIT} from './Units.js';\n\n\n/**\n * @typedef {Object} Options\n * @property {string} code The SRS identifier code, e.g. `EPSG:4326`.\n * @property {import(\"./Units.js\").default|string} [units] Units. Required unless a\n * proj4 projection is defined for `code`.\n * @property {import(\"../extent.js\").Extent} [extent] The validity extent for the SRS.\n * @property {string} [axisOrientation='enu'] The axis orientation as specified in Proj4.\n * @property {boolean} [global=false] Whether the projection is valid for the whole globe.\n * @property {number} [metersPerUnit] The meters per unit for the SRS.\n * If not provided, the `units` are used to get the meters per unit from the {@link module:ol/proj/Units~METERS_PER_UNIT}\n * lookup table.\n * @property {import(\"../extent.js\").Extent} [worldExtent] The world extent for the SRS.\n * @property {function(number, import(\"../coordinate.js\").Coordinate):number} [getPointResolution]\n * Function to determine resolution at a point. The function is called with a\n * `{number}` view resolution and an `{import(\"../coordinate.js\").Coordinate}` as arguments, and returns\n * the `{number}` resolution at the passed coordinate. If this is `undefined`,\n * the default {@link module:ol/proj#getPointResolution} function will be used.\n */\n\n\n/**\n * @classdesc\n * Projection definition class. One of these is created for each projection\n * supported in the application and stored in the {@link module:ol/proj} namespace.\n * You can use these in applications, but this is not required, as API params\n * and options use {@link module:ol/proj~ProjectionLike} which means the simple string\n * code will suffice.\n *\n * You can use {@link module:ol/proj~get} to retrieve the object for a particular\n * projection.\n *\n * The library includes definitions for `EPSG:4326` and `EPSG:3857`, together\n * with the following aliases:\n * * `EPSG:4326`: CRS:84, urn:ogc:def:crs:EPSG:6.6:4326,\n * urn:ogc:def:crs:OGC:1.3:CRS84, urn:ogc:def:crs:OGC:2:84,\n * http://www.opengis.net/gml/srs/epsg.xml#4326,\n * urn:x-ogc:def:crs:EPSG:4326\n * * `EPSG:3857`: EPSG:102100, EPSG:102113, EPSG:900913,\n * urn:ogc:def:crs:EPSG:6.18:3:3857,\n * http://www.opengis.net/gml/srs/epsg.xml#3857\n *\n * If you use [proj4js](https://github.com/proj4js/proj4js), aliases can\n * be added using `proj4.defs()`. After all required projection definitions are\n * added, call the {@link module:ol/proj/proj4~register} function.\n *\n * @api\n */\nvar Projection = function Projection(options) {\n /**\n * @private\n * @type {string}\n */\n this.code_ = options.code;\n\n /**\n * Units of projected coordinates. When set to `TILE_PIXELS`, a\n * `this.extent_` and `this.worldExtent_` must be configured properly for each\n * tile.\n * @private\n * @type {import(\"./Units.js\").default}\n */\n this.units_ = /** @type {import(\"./Units.js\").default} */ (options.units);\n\n /**\n * Validity extent of the projection in projected coordinates. For projections\n * with `TILE_PIXELS` units, this is the extent of the tile in\n * tile pixel space.\n * @private\n * @type {import(\"../extent.js\").Extent}\n */\n this.extent_ = options.extent !== undefined ? options.extent : null;\n\n /**\n * Extent of the world in EPSG:4326. For projections with\n * `TILE_PIXELS` units, this is the extent of the tile in\n * projected coordinate space.\n * @private\n * @type {import(\"../extent.js\").Extent}\n */\n this.worldExtent_ = options.worldExtent !== undefined ?\n options.worldExtent : null;\n\n /**\n * @private\n * @type {string}\n */\n this.axisOrientation_ = options.axisOrientation !== undefined ?\n options.axisOrientation : 'enu';\n\n /**\n * @private\n * @type {boolean}\n */\n this.global_ = options.global !== undefined ? options.global : false;\n\n /**\n * @private\n * @type {boolean}\n */\n this.canWrapX_ = !!(this.global_ && this.extent_);\n\n /**\n * @private\n * @type {function(number, import(\"../coordinate.js\").Coordinate):number|undefined}\n */\n this.getPointResolutionFunc_ = options.getPointResolution;\n\n /**\n * @private\n * @type {import(\"../tilegrid/TileGrid.js\").default}\n */\n this.defaultTileGrid_ = null;\n\n /**\n * @private\n * @type {number|undefined}\n */\n this.metersPerUnit_ = options.metersPerUnit;\n};\n\n/**\n * @return {boolean} The projection is suitable for wrapping the x-axis\n */\nProjection.prototype.canWrapX = function canWrapX () {\n return this.canWrapX_;\n};\n\n/**\n * Get the code for this projection, e.g. 'EPSG:4326'.\n * @return {string} Code.\n * @api\n */\nProjection.prototype.getCode = function getCode () {\n return this.code_;\n};\n\n/**\n * Get the validity extent for this projection.\n * @return {import(\"../extent.js\").Extent} Extent.\n * @api\n */\nProjection.prototype.getExtent = function getExtent () {\n return this.extent_;\n};\n\n/**\n * Get the units of this projection.\n * @return {import(\"./Units.js\").default} Units.\n * @api\n */\nProjection.prototype.getUnits = function getUnits () {\n return this.units_;\n};\n\n/**\n * Get the amount of meters per unit of this projection.If the projection is\n * not configured with `metersPerUnit` or a units identifier, the return is\n * `undefined`.\n * @return {number|undefined} Meters.\n * @api\n */\nProjection.prototype.getMetersPerUnit = function getMetersPerUnit () {\n return this.metersPerUnit_ || METERS_PER_UNIT[this.units_];\n};\n\n/**\n * Get the world extent for this projection.\n * @return {import(\"../extent.js\").Extent} Extent.\n * @api\n */\nProjection.prototype.getWorldExtent = function getWorldExtent () {\n return this.worldExtent_;\n};\n\n/**\n * Get the axis orientation of this projection.\n * Example values are:\n * enu - the default easting, northing, elevation.\n * neu - northing, easting, up - useful for \"lat/long\" geographic coordinates,\n * or south orientated transverse mercator.\n * wnu - westing, northing, up - some planetary coordinate systems have\n * \"west positive\" coordinate systems\n * @return {string} Axis orientation.\n * @api\n */\nProjection.prototype.getAxisOrientation = function getAxisOrientation () {\n return this.axisOrientation_;\n};\n\n/**\n * Is this projection a global projection which spans the whole world?\n * @return {boolean} Whether the projection is global.\n * @api\n */\nProjection.prototype.isGlobal = function isGlobal () {\n return this.global_;\n};\n\n/**\n * Set if the projection is a global projection which spans the whole world\n * @param {boolean} global Whether the projection is global.\n * @api\n */\nProjection.prototype.setGlobal = function setGlobal (global) {\n this.global_ = global;\n this.canWrapX_ = !!(global && this.extent_);\n};\n\n/**\n * @return {import(\"../tilegrid/TileGrid.js\").default} The default tile grid.\n */\nProjection.prototype.getDefaultTileGrid = function getDefaultTileGrid () {\n return this.defaultTileGrid_;\n};\n\n/**\n * @param {import(\"../tilegrid/TileGrid.js\").default} tileGrid The default tile grid.\n */\nProjection.prototype.setDefaultTileGrid = function setDefaultTileGrid (tileGrid) {\n this.defaultTileGrid_ = tileGrid;\n};\n\n/**\n * Set the validity extent for this projection.\n * @param {import(\"../extent.js\").Extent} extent Extent.\n * @api\n */\nProjection.prototype.setExtent = function setExtent (extent) {\n this.extent_ = extent;\n this.canWrapX_ = !!(this.global_ && extent);\n};\n\n/**\n * Set the world extent for this projection.\n * @param {import(\"../extent.js\").Extent} worldExtent World extent\n * [minlon, minlat, maxlon, maxlat].\n * @api\n */\nProjection.prototype.setWorldExtent = function setWorldExtent (worldExtent) {\n this.worldExtent_ = worldExtent;\n};\n\n/**\n * Set the getPointResolution function (see {@link module:ol/proj~getPointResolution}\n * for this projection.\n * @param {function(number, import(\"../coordinate.js\").Coordinate):number} func Function\n * @api\n */\nProjection.prototype.setGetPointResolution = function setGetPointResolution (func) {\n this.getPointResolutionFunc_ = func;\n};\n\n/**\n * Get the custom point resolution function for this projection (if set).\n * @return {function(number, import(\"../coordinate.js\").Coordinate):number|undefined} The custom point\n * resolution function (if set).\n */\nProjection.prototype.getPointResolutionFunc = function getPointResolutionFunc () {\n return this.getPointResolutionFunc_;\n};\n\nexport default Projection;\n\n//# sourceMappingURL=Projection.js.map","/**\n * @module ol/proj/epsg3857\n */\nimport {cosh} from '../math.js';\nimport Projection from './Projection.js';\nimport Units from './Units.js';\n\n\n/**\n * Radius of WGS84 sphere\n *\n * @const\n * @type {number}\n */\nexport var RADIUS = 6378137;\n\n\n/**\n * @const\n * @type {number}\n */\nexport var HALF_SIZE = Math.PI * RADIUS;\n\n\n/**\n * @const\n * @type {import(\"../extent.js\").Extent}\n */\nexport var EXTENT = [\n -HALF_SIZE, -HALF_SIZE,\n HALF_SIZE, HALF_SIZE\n];\n\n\n/**\n * @const\n * @type {import(\"../extent.js\").Extent}\n */\nexport var WORLD_EXTENT = [-180, -85, 180, 85];\n\n\n/**\n * @classdesc\n * Projection object for web/spherical Mercator (EPSG:3857).\n */\nvar EPSG3857Projection = /*@__PURE__*/(function (Projection) {\n function EPSG3857Projection(code) {\n Projection.call(this, {\n code: code,\n units: Units.METERS,\n extent: EXTENT,\n global: true,\n worldExtent: WORLD_EXTENT,\n getPointResolution: function(resolution, point) {\n return resolution / cosh(point[1] / RADIUS);\n }\n });\n\n }\n\n if ( Projection ) EPSG3857Projection.__proto__ = Projection;\n EPSG3857Projection.prototype = Object.create( Projection && Projection.prototype );\n EPSG3857Projection.prototype.constructor = EPSG3857Projection;\n\n return EPSG3857Projection;\n}(Projection));\n\n\n/**\n * Projections equal to EPSG:3857.\n *\n * @const\n * @type {Array}\n */\nexport var PROJECTIONS = [\n new EPSG3857Projection('EPSG:3857'),\n new EPSG3857Projection('EPSG:102100'),\n new EPSG3857Projection('EPSG:102113'),\n new EPSG3857Projection('EPSG:900913'),\n new EPSG3857Projection('urn:ogc:def:crs:EPSG:6.18:3:3857'),\n new EPSG3857Projection('urn:ogc:def:crs:EPSG::3857'),\n new EPSG3857Projection('http://www.opengis.net/gml/srs/epsg.xml#3857')\n];\n\n\n/**\n * Transformation from EPSG:4326 to EPSG:3857.\n *\n * @param {Array} input Input array of coordinate values.\n * @param {Array=} opt_output Output array of coordinate values.\n * @param {number=} opt_dimension Dimension (default is `2`).\n * @return {Array} Output array of coordinate values.\n */\nexport function fromEPSG4326(input, opt_output, opt_dimension) {\n var length = input.length;\n var dimension = opt_dimension > 1 ? opt_dimension : 2;\n var output = opt_output;\n if (output === undefined) {\n if (dimension > 2) {\n // preserve values beyond second dimension\n output = input.slice();\n } else {\n output = new Array(length);\n }\n }\n var halfSize = HALF_SIZE;\n for (var i = 0; i < length; i += dimension) {\n output[i] = halfSize * input[i] / 180;\n var y = RADIUS *\n Math.log(Math.tan(Math.PI * (input[i + 1] + 90) / 360));\n if (y > halfSize) {\n y = halfSize;\n } else if (y < -halfSize) {\n y = -halfSize;\n }\n output[i + 1] = y;\n }\n return output;\n}\n\n\n/**\n * Transformation from EPSG:3857 to EPSG:4326.\n *\n * @param {Array} input Input array of coordinate values.\n * @param {Array=} opt_output Output array of coordinate values.\n * @param {number=} opt_dimension Dimension (default is `2`).\n * @return {Array} Output array of coordinate values.\n */\nexport function toEPSG4326(input, opt_output, opt_dimension) {\n var length = input.length;\n var dimension = opt_dimension > 1 ? opt_dimension : 2;\n var output = opt_output;\n if (output === undefined) {\n if (dimension > 2) {\n // preserve values beyond second dimension\n output = input.slice();\n } else {\n output = new Array(length);\n }\n }\n for (var i = 0; i < length; i += dimension) {\n output[i] = 180 * input[i] / HALF_SIZE;\n output[i + 1] = 360 * Math.atan(\n Math.exp(input[i + 1] / RADIUS)) / Math.PI - 90;\n }\n return output;\n}\n\n//# sourceMappingURL=epsg3857.js.map","/**\n * @module ol/proj/epsg4326\n */\nimport Projection from './Projection.js';\nimport Units from './Units.js';\n\n\n/**\n * Semi-major radius of the WGS84 ellipsoid.\n *\n * @const\n * @type {number}\n */\nexport var RADIUS = 6378137;\n\n\n/**\n * Extent of the EPSG:4326 projection which is the whole world.\n *\n * @const\n * @type {import(\"../extent.js\").Extent}\n */\nexport var EXTENT = [-180, -90, 180, 90];\n\n\n/**\n * @const\n * @type {number}\n */\nexport var METERS_PER_UNIT = Math.PI * RADIUS / 180;\n\n\n/**\n * @classdesc\n * Projection object for WGS84 geographic coordinates (EPSG:4326).\n *\n * Note that OpenLayers does not strictly comply with the EPSG definition.\n * The EPSG registry defines 4326 as a CRS for Latitude,Longitude (y,x).\n * OpenLayers treats EPSG:4326 as a pseudo-projection, with x,y coordinates.\n */\nvar EPSG4326Projection = /*@__PURE__*/(function (Projection) {\n function EPSG4326Projection(code, opt_axisOrientation) {\n Projection.call(this, {\n code: code,\n units: Units.DEGREES,\n extent: EXTENT,\n axisOrientation: opt_axisOrientation,\n global: true,\n metersPerUnit: METERS_PER_UNIT,\n worldExtent: EXTENT\n });\n\n }\n\n if ( Projection ) EPSG4326Projection.__proto__ = Projection;\n EPSG4326Projection.prototype = Object.create( Projection && Projection.prototype );\n EPSG4326Projection.prototype.constructor = EPSG4326Projection;\n\n return EPSG4326Projection;\n}(Projection));\n\n\n/**\n * Projections equal to EPSG:4326.\n *\n * @const\n * @type {Array}\n */\nexport var PROJECTIONS = [\n new EPSG4326Projection('CRS:84'),\n new EPSG4326Projection('EPSG:4326', 'neu'),\n new EPSG4326Projection('urn:ogc:def:crs:EPSG::4326', 'neu'),\n new EPSG4326Projection('urn:ogc:def:crs:EPSG:6.6:4326', 'neu'),\n new EPSG4326Projection('urn:ogc:def:crs:OGC:1.3:CRS84'),\n new EPSG4326Projection('urn:ogc:def:crs:OGC:2:84'),\n new EPSG4326Projection('http://www.opengis.net/gml/srs/epsg.xml#4326', 'neu'),\n new EPSG4326Projection('urn:x-ogc:def:crs:EPSG:4326', 'neu')\n];\n\n//# sourceMappingURL=epsg4326.js.map","/**\n * @module ol/proj/projections\n */\n\n\n/**\n * @type {Object}\n */\nvar cache = {};\n\n\n/**\n * Clear the projections cache.\n */\nexport function clear() {\n cache = {};\n}\n\n\n/**\n * Get a cached projection by code.\n * @param {string} code The code for the projection.\n * @return {import(\"./Projection.js\").default} The projection (if cached).\n */\nexport function get(code) {\n return cache[code] || null;\n}\n\n\n/**\n * Add a projection to the cache.\n * @param {string} code The projection code.\n * @param {import(\"./Projection.js\").default} projection The projection to cache.\n */\nexport function add(code, projection) {\n cache[code] = projection;\n}\n\n//# sourceMappingURL=projections.js.map","/**\n * @module ol/proj/transforms\n */\nimport {isEmpty} from '../obj.js';\n\n\n/**\n * @private\n * @type {!Object>}\n */\nvar transforms = {};\n\n\n/**\n * Clear the transform cache.\n */\nexport function clear() {\n transforms = {};\n}\n\n\n/**\n * Registers a conversion function to convert coordinates from the source\n * projection to the destination projection.\n *\n * @param {import(\"./Projection.js\").default} source Source.\n * @param {import(\"./Projection.js\").default} destination Destination.\n * @param {import(\"../proj.js\").TransformFunction} transformFn Transform.\n */\nexport function add(source, destination, transformFn) {\n var sourceCode = source.getCode();\n var destinationCode = destination.getCode();\n if (!(sourceCode in transforms)) {\n transforms[sourceCode] = {};\n }\n transforms[sourceCode][destinationCode] = transformFn;\n}\n\n\n/**\n * Unregisters the conversion function to convert coordinates from the source\n * projection to the destination projection. This method is used to clean up\n * cached transforms during testing.\n *\n * @param {import(\"./Projection.js\").default} source Source projection.\n * @param {import(\"./Projection.js\").default} destination Destination projection.\n * @return {import(\"../proj.js\").TransformFunction} transformFn The unregistered transform.\n */\nexport function remove(source, destination) {\n var sourceCode = source.getCode();\n var destinationCode = destination.getCode();\n var transform = transforms[sourceCode][destinationCode];\n delete transforms[sourceCode][destinationCode];\n if (isEmpty(transforms[sourceCode])) {\n delete transforms[sourceCode];\n }\n return transform;\n}\n\n\n/**\n * Get a transform given a source code and a destination code.\n * @param {string} sourceCode The code for the source projection.\n * @param {string} destinationCode The code for the destination projection.\n * @return {import(\"../proj.js\").TransformFunction|undefined} The transform function (if found).\n */\nexport function get(sourceCode, destinationCode) {\n var transform;\n if (sourceCode in transforms && destinationCode in transforms[sourceCode]) {\n transform = transforms[sourceCode][destinationCode];\n }\n return transform;\n}\n\n//# sourceMappingURL=transforms.js.map","/**\n * @module ol/proj\n */\n\n/**\n * The ol/proj module stores:\n * * a list of {@link module:ol/proj/Projection}\n * objects, one for each projection supported by the application\n * * a list of transform functions needed to convert coordinates in one projection\n * into another.\n *\n * The static functions are the methods used to maintain these.\n * Each transform function can handle not only simple coordinate pairs, but also\n * large arrays of coordinates such as vector geometries.\n *\n * When loaded, the library adds projection objects for EPSG:4326 (WGS84\n * geographic coordinates) and EPSG:3857 (Web or Spherical Mercator, as used\n * for example by Bing Maps or OpenStreetMap), together with the relevant\n * transform functions.\n *\n * Additional transforms may be added by using the http://proj4js.org/\n * library (version 2.2 or later). You can use the full build supplied by\n * Proj4js, or create a custom build to support those projections you need; see\n * the Proj4js website for how to do this. You also need the Proj4js definitions\n * for the required projections. These definitions can be obtained from\n * https://epsg.io/, and are a JS function, so can be loaded in a script\n * tag (as in the examples) or pasted into your application.\n *\n * After all required projection definitions are added to proj4's registry (by\n * using `proj4.defs()`), simply call `register(proj4)` from the `ol/proj/proj4`\n * package. Existing transforms are not changed by this function. See\n * examples/wms-image-custom-proj for an example of this.\n *\n * Additional projection definitions can be registered with `proj4.defs()` any\n * time. Just make sure to call `register(proj4)` again; for example, with user-supplied data where you don't\n * know in advance what projections are needed, you can initially load minimal\n * support and then load whichever are requested.\n *\n * Note that Proj4js does not support projection extents. If you want to add\n * one for creating default tile grids, you can add it after the Projection\n * object has been created with `setExtent`, for example,\n * `get('EPSG:1234').setExtent(extent)`.\n *\n * In addition to Proj4js support, any transform functions can be added with\n * {@link module:ol/proj~addCoordinateTransforms}. To use this, you must first create\n * a {@link module:ol/proj/Projection} object for the new projection and add it with\n * {@link module:ol/proj~addProjection}. You can then add the forward and inverse\n * functions with {@link module:ol/proj~addCoordinateTransforms}. See\n * examples/wms-custom-proj for an example of this.\n *\n * Note that if no transforms are needed and you only need to define the\n * projection, just add a {@link module:ol/proj/Projection} with\n * {@link module:ol/proj~addProjection}. See examples/wms-no-proj for an example of\n * this.\n */\nimport {getDistance} from './sphere.js';\nimport {applyTransform} from './extent.js';\nimport {modulo} from './math.js';\nimport {toEPSG4326, fromEPSG4326, PROJECTIONS as EPSG3857_PROJECTIONS} from './proj/epsg3857.js';\nimport {PROJECTIONS as EPSG4326_PROJECTIONS} from './proj/epsg4326.js';\nimport Projection from './proj/Projection.js';\nimport Units, {METERS_PER_UNIT} from './proj/Units.js';\nimport * as projections from './proj/projections.js';\nimport {add as addTransformFunc, clear as clearTransformFuncs, get as getTransformFunc} from './proj/transforms.js';\n\n\n/**\n * A projection as {@link module:ol/proj/Projection}, SRS identifier\n * string or undefined.\n * @typedef {Projection|string|undefined} ProjectionLike\n * @api\n */\n\n\n/**\n * A transform function accepts an array of input coordinate values, an optional\n * output array, and an optional dimension (default should be 2). The function\n * transforms the input coordinate values, populates the output array, and\n * returns the output array.\n *\n * @typedef {function(Array, Array=, number=): Array} TransformFunction\n * @api\n */\n\n\nexport {METERS_PER_UNIT};\n\nexport {Projection};\n\n/**\n * @param {Array} input Input coordinate array.\n * @param {Array=} opt_output Output array of coordinate values.\n * @param {number=} opt_dimension Dimension.\n * @return {Array} Output coordinate array (new array, same coordinate\n * values).\n */\nexport function cloneTransform(input, opt_output, opt_dimension) {\n var output;\n if (opt_output !== undefined) {\n for (var i = 0, ii = input.length; i < ii; ++i) {\n opt_output[i] = input[i];\n }\n output = opt_output;\n } else {\n output = input.slice();\n }\n return output;\n}\n\n\n/**\n * @param {Array} input Input coordinate array.\n * @param {Array=} opt_output Output array of coordinate values.\n * @param {number=} opt_dimension Dimension.\n * @return {Array} Input coordinate array (same array as input).\n */\nexport function identityTransform(input, opt_output, opt_dimension) {\n if (opt_output !== undefined && input !== opt_output) {\n for (var i = 0, ii = input.length; i < ii; ++i) {\n opt_output[i] = input[i];\n }\n input = opt_output;\n }\n return input;\n}\n\n\n/**\n * Add a Projection object to the list of supported projections that can be\n * looked up by their code.\n *\n * @param {Projection} projection Projection instance.\n * @api\n */\nexport function addProjection(projection) {\n projections.add(projection.getCode(), projection);\n addTransformFunc(projection, projection, cloneTransform);\n}\n\n\n/**\n * @param {Array} projections Projections.\n */\nexport function addProjections(projections) {\n projections.forEach(addProjection);\n}\n\n\n/**\n * Fetches a Projection object for the code specified.\n *\n * @param {ProjectionLike} projectionLike Either a code string which is\n * a combination of authority and identifier such as \"EPSG:4326\", or an\n * existing projection object, or undefined.\n * @return {Projection} Projection object, or null if not in list.\n * @api\n */\nexport function get(projectionLike) {\n return typeof projectionLike === 'string' ?\n projections.get(/** @type {string} */ (projectionLike)) :\n (/** @type {Projection} */ (projectionLike) || null);\n}\n\n\n/**\n * Get the resolution of the point in degrees or distance units.\n * For projections with degrees as the unit this will simply return the\n * provided resolution. For other projections the point resolution is\n * by default estimated by transforming the 'point' pixel to EPSG:4326,\n * measuring its width and height on the normal sphere,\n * and taking the average of the width and height.\n * A custom function can be provided for a specific projection, either\n * by setting the `getPointResolution` option in the\n * {@link module:ol/proj/Projection~Projection} constructor or by using\n * {@link module:ol/proj/Projection~Projection#setGetPointResolution} to change an existing\n * projection object.\n * @param {ProjectionLike} projection The projection.\n * @param {number} resolution Nominal resolution in projection units.\n * @param {import(\"./coordinate.js\").Coordinate} point Point to find adjusted resolution at.\n * @param {Units=} opt_units Units to get the point resolution in.\n * Default is the projection's units.\n * @return {number} Point resolution.\n * @api\n */\nexport function getPointResolution(projection, resolution, point, opt_units) {\n projection = get(projection);\n var pointResolution;\n var getter = projection.getPointResolutionFunc();\n if (getter) {\n pointResolution = getter(resolution, point);\n } else {\n var units = projection.getUnits();\n if (units == Units.DEGREES && !opt_units || opt_units == Units.DEGREES) {\n pointResolution = resolution;\n } else {\n // Estimate point resolution by transforming the center pixel to EPSG:4326,\n // measuring its width and height on the normal sphere, and taking the\n // average of the width and height.\n var toEPSG4326 = getTransformFromProjections(projection, get('EPSG:4326'));\n var vertices = [\n point[0] - resolution / 2, point[1],\n point[0] + resolution / 2, point[1],\n point[0], point[1] - resolution / 2,\n point[0], point[1] + resolution / 2\n ];\n vertices = toEPSG4326(vertices, vertices, 2);\n var width = getDistance(vertices.slice(0, 2), vertices.slice(2, 4));\n var height = getDistance(vertices.slice(4, 6), vertices.slice(6, 8));\n pointResolution = (width + height) / 2;\n var metersPerUnit = opt_units ?\n METERS_PER_UNIT[opt_units] :\n projection.getMetersPerUnit();\n if (metersPerUnit !== undefined) {\n pointResolution /= metersPerUnit;\n }\n }\n }\n return pointResolution;\n}\n\n\n/**\n * Registers transformation functions that don't alter coordinates. Those allow\n * to transform between projections with equal meaning.\n *\n * @param {Array} projections Projections.\n * @api\n */\nexport function addEquivalentProjections(projections) {\n addProjections(projections);\n projections.forEach(function(source) {\n projections.forEach(function(destination) {\n if (source !== destination) {\n addTransformFunc(source, destination, cloneTransform);\n }\n });\n });\n}\n\n\n/**\n * Registers transformation functions to convert coordinates in any projection\n * in projection1 to any projection in projection2.\n *\n * @param {Array} projections1 Projections with equal\n * meaning.\n * @param {Array} projections2 Projections with equal\n * meaning.\n * @param {TransformFunction} forwardTransform Transformation from any\n * projection in projection1 to any projection in projection2.\n * @param {TransformFunction} inverseTransform Transform from any projection\n * in projection2 to any projection in projection1..\n */\nexport function addEquivalentTransforms(projections1, projections2, forwardTransform, inverseTransform) {\n projections1.forEach(function(projection1) {\n projections2.forEach(function(projection2) {\n addTransformFunc(projection1, projection2, forwardTransform);\n addTransformFunc(projection2, projection1, inverseTransform);\n });\n });\n}\n\n\n/**\n * Clear all cached projections and transforms.\n */\nexport function clearAllProjections() {\n projections.clear();\n clearTransformFuncs();\n}\n\n\n/**\n * @param {Projection|string|undefined} projection Projection.\n * @param {string} defaultCode Default code.\n * @return {Projection} Projection.\n */\nexport function createProjection(projection, defaultCode) {\n if (!projection) {\n return get(defaultCode);\n } else if (typeof projection === 'string') {\n return get(projection);\n } else {\n return (\n /** @type {Projection} */ (projection)\n );\n }\n}\n\n\n/**\n * Creates a {@link module:ol/proj~TransformFunction} from a simple 2D coordinate transform\n * function.\n * @param {function(import(\"./coordinate.js\").Coordinate): import(\"./coordinate.js\").Coordinate} coordTransform Coordinate\n * transform.\n * @return {TransformFunction} Transform function.\n */\nexport function createTransformFromCoordinateTransform(coordTransform) {\n return (\n /**\n * @param {Array} input Input.\n * @param {Array=} opt_output Output.\n * @param {number=} opt_dimension Dimension.\n * @return {Array} Output.\n */\n function(input, opt_output, opt_dimension) {\n var length = input.length;\n var dimension = opt_dimension !== undefined ? opt_dimension : 2;\n var output = opt_output !== undefined ? opt_output : new Array(length);\n for (var i = 0; i < length; i += dimension) {\n var point = coordTransform([input[i], input[i + 1]]);\n output[i] = point[0];\n output[i + 1] = point[1];\n for (var j = dimension - 1; j >= 2; --j) {\n output[i + j] = input[i + j];\n }\n }\n return output;\n });\n}\n\n\n/**\n * Registers coordinate transform functions to convert coordinates between the\n * source projection and the destination projection.\n * The forward and inverse functions convert coordinate pairs; this function\n * converts these into the functions used internally which also handle\n * extents and coordinate arrays.\n *\n * @param {ProjectionLike} source Source projection.\n * @param {ProjectionLike} destination Destination projection.\n * @param {function(import(\"./coordinate.js\").Coordinate): import(\"./coordinate.js\").Coordinate} forward The forward transform\n * function (that is, from the source projection to the destination\n * projection) that takes a {@link module:ol/coordinate~Coordinate} as argument and returns\n * the transformed {@link module:ol/coordinate~Coordinate}.\n * @param {function(import(\"./coordinate.js\").Coordinate): import(\"./coordinate.js\").Coordinate} inverse The inverse transform\n * function (that is, from the destination projection to the source\n * projection) that takes a {@link module:ol/coordinate~Coordinate} as argument and returns\n * the transformed {@link module:ol/coordinate~Coordinate}.\n * @api\n */\nexport function addCoordinateTransforms(source, destination, forward, inverse) {\n var sourceProj = get(source);\n var destProj = get(destination);\n addTransformFunc(sourceProj, destProj, createTransformFromCoordinateTransform(forward));\n addTransformFunc(destProj, sourceProj, createTransformFromCoordinateTransform(inverse));\n}\n\n\n/**\n * Transforms a coordinate from longitude/latitude to a different projection.\n * @param {import(\"./coordinate.js\").Coordinate} coordinate Coordinate as longitude and latitude, i.e.\n * an array with longitude as 1st and latitude as 2nd element.\n * @param {ProjectionLike=} opt_projection Target projection. The\n * default is Web Mercator, i.e. 'EPSG:3857'.\n * @return {import(\"./coordinate.js\").Coordinate} Coordinate projected to the target projection.\n * @api\n */\nexport function fromLonLat(coordinate, opt_projection) {\n return transform(coordinate, 'EPSG:4326',\n opt_projection !== undefined ? opt_projection : 'EPSG:3857');\n}\n\n\n/**\n * Transforms a coordinate to longitude/latitude.\n * @param {import(\"./coordinate.js\").Coordinate} coordinate Projected coordinate.\n * @param {ProjectionLike=} opt_projection Projection of the coordinate.\n * The default is Web Mercator, i.e. 'EPSG:3857'.\n * @return {import(\"./coordinate.js\").Coordinate} Coordinate as longitude and latitude, i.e. an array\n * with longitude as 1st and latitude as 2nd element.\n * @api\n */\nexport function toLonLat(coordinate, opt_projection) {\n var lonLat = transform(coordinate,\n opt_projection !== undefined ? opt_projection : 'EPSG:3857', 'EPSG:4326');\n var lon = lonLat[0];\n if (lon < -180 || lon > 180) {\n lonLat[0] = modulo(lon + 180, 360) - 180;\n }\n return lonLat;\n}\n\n\n/**\n * Checks if two projections are the same, that is every coordinate in one\n * projection does represent the same geographic point as the same coordinate in\n * the other projection.\n *\n * @param {Projection} projection1 Projection 1.\n * @param {Projection} projection2 Projection 2.\n * @return {boolean} Equivalent.\n * @api\n */\nexport function equivalent(projection1, projection2) {\n if (projection1 === projection2) {\n return true;\n }\n var equalUnits = projection1.getUnits() === projection2.getUnits();\n if (projection1.getCode() === projection2.getCode()) {\n return equalUnits;\n } else {\n var transformFunc = getTransformFromProjections(projection1, projection2);\n return transformFunc === cloneTransform && equalUnits;\n }\n}\n\n\n/**\n * Searches in the list of transform functions for the function for converting\n * coordinates from the source projection to the destination projection.\n *\n * @param {Projection} sourceProjection Source Projection object.\n * @param {Projection} destinationProjection Destination Projection\n * object.\n * @return {TransformFunction} Transform function.\n */\nexport function getTransformFromProjections(sourceProjection, destinationProjection) {\n var sourceCode = sourceProjection.getCode();\n var destinationCode = destinationProjection.getCode();\n var transformFunc = getTransformFunc(sourceCode, destinationCode);\n if (!transformFunc) {\n transformFunc = identityTransform;\n }\n return transformFunc;\n}\n\n\n/**\n * Given the projection-like objects, searches for a transformation\n * function to convert a coordinates array from the source projection to the\n * destination projection.\n *\n * @param {ProjectionLike} source Source.\n * @param {ProjectionLike} destination Destination.\n * @return {TransformFunction} Transform function.\n * @api\n */\nexport function getTransform(source, destination) {\n var sourceProjection = get(source);\n var destinationProjection = get(destination);\n return getTransformFromProjections(sourceProjection, destinationProjection);\n}\n\n\n/**\n * Transforms a coordinate from source projection to destination projection.\n * This returns a new coordinate (and does not modify the original).\n *\n * See {@link module:ol/proj~transformExtent} for extent transformation.\n * See the transform method of {@link module:ol/geom/Geometry~Geometry} and its\n * subclasses for geometry transforms.\n *\n * @param {import(\"./coordinate.js\").Coordinate} coordinate Coordinate.\n * @param {ProjectionLike} source Source projection-like.\n * @param {ProjectionLike} destination Destination projection-like.\n * @return {import(\"./coordinate.js\").Coordinate} Coordinate.\n * @api\n */\nexport function transform(coordinate, source, destination) {\n var transformFunc = getTransform(source, destination);\n return transformFunc(coordinate, undefined, coordinate.length);\n}\n\n\n/**\n * Transforms an extent from source projection to destination projection. This\n * returns a new extent (and does not modify the original).\n *\n * @param {import(\"./extent.js\").Extent} extent The extent to transform.\n * @param {ProjectionLike} source Source projection-like.\n * @param {ProjectionLike} destination Destination projection-like.\n * @return {import(\"./extent.js\").Extent} The transformed extent.\n * @api\n */\nexport function transformExtent(extent, source, destination) {\n var transformFunc = getTransform(source, destination);\n return applyTransform(extent, transformFunc);\n}\n\n\n/**\n * Transforms the given point to the destination projection.\n *\n * @param {import(\"./coordinate.js\").Coordinate} point Point.\n * @param {Projection} sourceProjection Source projection.\n * @param {Projection} destinationProjection Destination projection.\n * @return {import(\"./coordinate.js\").Coordinate} Point.\n */\nexport function transformWithProjections(point, sourceProjection, destinationProjection) {\n var transformFunc = getTransformFromProjections(sourceProjection, destinationProjection);\n return transformFunc(point);\n}\n\n/**\n * Add transforms to and from EPSG:4326 and EPSG:3857. This function is called\n * by when this module is executed and should only need to be called again after\n * `clearAllProjections()` is called (e.g. in tests).\n */\nexport function addCommon() {\n // Add transformations that don't alter coordinates to convert within set of\n // projections with equal meaning.\n addEquivalentProjections(EPSG3857_PROJECTIONS);\n addEquivalentProjections(EPSG4326_PROJECTIONS);\n // Add transformations to convert EPSG:4326 like coordinates to EPSG:3857 like\n // coordinates and back.\n addEquivalentTransforms(EPSG4326_PROJECTIONS, EPSG3857_PROJECTIONS, fromEPSG4326, toEPSG4326);\n}\n\naddCommon();\n\n//# sourceMappingURL=proj.js.map","/**\n * @module ol/functions\n */\n\n/**\n * Always returns true.\n * @returns {boolean} true.\n */\nexport function TRUE() {\n return true;\n}\n\n/**\n * Always returns false.\n * @returns {boolean} false.\n */\nexport function FALSE() {\n return false;\n}\n\n/**\n * A reusable function, used e.g. as a default for callbacks.\n *\n * @return {void} Nothing.\n */\nexport function VOID() {}\n\n//# sourceMappingURL=functions.js.map","/**\n * @module ol/ImageState\n */\n\n/**\n * @enum {number}\n */\nexport default {\n IDLE: 0,\n LOADING: 1,\n LOADED: 2,\n ERROR: 3\n};\n\n//# sourceMappingURL=ImageState.js.map","/**\n * @module ol/has\n */\n\nvar ua = typeof navigator !== 'undefined' ?\n navigator.userAgent.toLowerCase() : '';\n\n/**\n * User agent string says we are dealing with Firefox as browser.\n * @type {boolean}\n */\nexport var FIREFOX = ua.indexOf('firefox') !== -1;\n\n/**\n * User agent string says we are dealing with Safari as browser.\n * @type {boolean}\n */\nexport var SAFARI = ua.indexOf('safari') !== -1 && ua.indexOf('chrom') == -1;\n\n/**\n * User agent string says we are dealing with a WebKit engine.\n * @type {boolean}\n */\nexport var WEBKIT = ua.indexOf('webkit') !== -1 && ua.indexOf('edge') == -1;\n\n/**\n * User agent string says we are dealing with a Mac as platform.\n * @type {boolean}\n */\nexport var MAC = ua.indexOf('macintosh') !== -1;\n\n\n/**\n * The ratio between physical pixels and device-independent pixels\n * (dips) on the device (`window.devicePixelRatio`).\n * @const\n * @type {number}\n * @api\n */\nexport var DEVICE_PIXEL_RATIO = window.devicePixelRatio || 1;\n\n\n/**\n * True if the browser's Canvas implementation implements {get,set}LineDash.\n * @type {boolean}\n */\nexport var CANVAS_LINE_DASH = function() {\n var has = false;\n try {\n has = !!document.createElement('canvas').getContext('2d').setLineDash;\n } catch (e) {\n // pass\n }\n return has;\n}();\n\n\n/**\n * Is HTML5 geolocation supported in the current browser?\n * @const\n * @type {boolean}\n * @api\n */\nexport var GEOLOCATION = 'geolocation' in navigator;\n\n\n/**\n * True if browser supports touch events.\n * @const\n * @type {boolean}\n * @api\n */\nexport var TOUCH = 'ontouchstart' in window;\n\n\n/**\n * True if browser supports pointer events.\n * @const\n * @type {boolean}\n */\nexport var POINTER = 'PointerEvent' in window;\n\n\n/**\n * True if browser supports ms pointer events (IE 10).\n * @const\n * @type {boolean}\n */\nexport var MSPOINTER = !!(navigator.msPointerEnabled);\n\n\nexport {HAS as WEBGL} from './webgl.js';\n\n//# sourceMappingURL=has.js.map","/**\n * @module ol/proj/Units\n */\n\n/**\n * Projection units: `'degrees'`, `'ft'`, `'m'`, `'pixels'`, `'tile-pixels'` or\n * `'us-ft'`.\n * @enum {string}\n */\nvar Units = {\n DEGREES: 'degrees',\n FEET: 'ft',\n METERS: 'm',\n PIXELS: 'pixels',\n TILE_PIXELS: 'tile-pixels',\n USFEET: 'us-ft'\n};\n\n\n/**\n * Meters per unit lookup table.\n * @const\n * @type {Object}\n * @api\n */\nexport var METERS_PER_UNIT = {};\n// use the radius of the Normal sphere\nMETERS_PER_UNIT[Units.DEGREES] = 2 * Math.PI * 6370997 / 360;\nMETERS_PER_UNIT[Units.FEET] = 0.3048;\nMETERS_PER_UNIT[Units.METERS] = 1;\nMETERS_PER_UNIT[Units.USFEET] = 1200 / 3937;\n\nexport default Units;\n\n//# sourceMappingURL=Units.js.map","/**\n * @module ol/easing\n */\n\n\n/**\n * Start slow and speed up.\n * @param {number} t Input between 0 and 1.\n * @return {number} Output between 0 and 1.\n * @api\n */\nexport function easeIn(t) {\n return Math.pow(t, 3);\n}\n\n\n/**\n * Start fast and slow down.\n * @param {number} t Input between 0 and 1.\n * @return {number} Output between 0 and 1.\n * @api\n */\nexport function easeOut(t) {\n return 1 - easeIn(1 - t);\n}\n\n\n/**\n * Start slow, speed up, and then slow down again.\n * @param {number} t Input between 0 and 1.\n * @return {number} Output between 0 and 1.\n * @api\n */\nexport function inAndOut(t) {\n return 3 * t * t - 2 * t * t * t;\n}\n\n\n/**\n * Maintain a constant speed over time.\n * @param {number} t Input between 0 and 1.\n * @return {number} Output between 0 and 1.\n * @api\n */\nexport function linear(t) {\n return t;\n}\n\n\n/**\n * Start slow, speed up, and at the very end slow down again. This has the\n * same general behavior as {@link module:ol/easing~inAndOut}, but the final\n * slowdown is delayed.\n * @param {number} t Input between 0 and 1.\n * @return {number} Output between 0 and 1.\n * @api\n */\nexport function upAndDown(t) {\n if (t < 0.5) {\n return inAndOut(2 * t);\n } else {\n return 1 - inAndOut(2 * (t - 0.5));\n }\n}\n\n//# sourceMappingURL=easing.js.map","/**\n * @module ol/events/Event\n */\n\n/**\n * @classdesc\n * Stripped down implementation of the W3C DOM Level 2 Event interface.\n * See https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-interface.\n *\n * This implementation only provides `type` and `target` properties, and\n * `stopPropagation` and `preventDefault` methods. It is meant as base class\n * for higher level events defined in the library, and works with\n * {@link module:ol/events/Target~Target}.\n */\nvar Event = function Event(type) {\n\n /**\n * @type {boolean}\n */\n this.propagationStopped;\n\n /**\n * The event type.\n * @type {string}\n * @api\n */\n this.type = type;\n\n /**\n * The event target.\n * @type {Object}\n * @api\n */\n this.target = null;\n};\n\n/**\n * Stop event propagation.\n * @api\n */\nEvent.prototype.preventDefault = function preventDefault () {\n this.propagationStopped = true;\n};\n\n/**\n * Stop event propagation.\n * @api\n */\nEvent.prototype.stopPropagation = function stopPropagation () {\n this.propagationStopped = true;\n};\n\n\n/**\n * @param {Event|import(\"./Event.js\").default} evt Event\n */\nexport function stopPropagation(evt) {\n evt.stopPropagation();\n}\n\n\n/**\n * @param {Event|import(\"./Event.js\").default} evt Event\n */\nexport function preventDefault(evt) {\n evt.preventDefault();\n}\n\nexport default Event;\n\n//# sourceMappingURL=Event.js.map","/**\n * @module ol/layer/Property\n */\n\n/**\n * @enum {string}\n */\nexport default {\n OPACITY: 'opacity',\n VISIBLE: 'visible',\n EXTENT: 'extent',\n Z_INDEX: 'zIndex',\n MAX_RESOLUTION: 'maxResolution',\n MIN_RESOLUTION: 'minResolution',\n SOURCE: 'source'\n};\n\n//# sourceMappingURL=Property.js.map","/**\n * @module ol/geom/GeometryLayout\n */\n\n/**\n * The coordinate layout for geometries, indicating whether a 3rd or 4th z ('Z')\n * or measure ('M') coordinate is available. Supported values are `'XY'`,\n * `'XYZ'`, `'XYM'`, `'XYZM'`.\n * @enum {string}\n */\nexport default {\n XY: 'XY',\n XYZ: 'XYZ',\n XYM: 'XYM',\n XYZM: 'XYZM'\n};\n\n//# sourceMappingURL=GeometryLayout.js.map","/**\n * @module ol/ViewProperty\n */\n\n/**\n * @enum {string}\n */\nexport default {\n CENTER: 'center',\n RESOLUTION: 'resolution',\n ROTATION: 'rotation'\n};\n\n//# sourceMappingURL=ViewProperty.js.map","/**\n * @module ol/control/Control\n */\nimport {VOID} from '../functions.js';\nimport MapEventType from '../MapEventType.js';\nimport BaseObject from '../Object.js';\nimport {removeNode} from '../dom.js';\nimport {listen, unlistenByKey} from '../events.js';\n\n\n/**\n * @typedef {Object} Options\n * @property {HTMLElement} [element] The element is the control's\n * container element. This only needs to be specified if you're developing\n * a custom control.\n * @property {function(import(\"../MapEvent.js\").default)} [render] Function called when\n * the control should be re-rendered. This is called in a `requestAnimationFrame`\n * callback.\n * @property {HTMLElement|string} [target] Specify a target if you want\n * the control to be rendered outside of the map's viewport.\n */\n\n\n/**\n * @classdesc\n * A control is a visible widget with a DOM element in a fixed position on the\n * screen. They can involve user input (buttons), or be informational only;\n * the position is determined using CSS. By default these are placed in the\n * container with CSS class name `ol-overlaycontainer-stopevent`, but can use\n * any outside DOM element.\n *\n * This is the base class for controls. You can use it for simple custom\n * controls by creating the element with listeners, creating an instance:\n * ```js\n * var myControl = new Control({element: myElement});\n * ```\n * and then adding this to the map.\n *\n * The main advantage of having this as a control rather than a simple separate\n * DOM element is that preventing propagation is handled for you. Controls\n * will also be objects in a {@link module:ol/Collection~Collection}, so you can use their methods.\n *\n * You can also extend this base for your own control class. See\n * examples/custom-controls for an example of how to do this.\n *\n * @api\n */\nvar Control = /*@__PURE__*/(function (BaseObject) {\n function Control(options) {\n\n BaseObject.call(this);\n\n /**\n * @protected\n * @type {HTMLElement}\n */\n this.element = options.element ? options.element : null;\n\n /**\n * @private\n * @type {HTMLElement}\n */\n this.target_ = null;\n\n /**\n * @private\n * @type {import(\"../PluggableMap.js\").default}\n */\n this.map_ = null;\n\n /**\n * @protected\n * @type {!Array}\n */\n this.listenerKeys = [];\n\n /**\n * @type {function(import(\"../MapEvent.js\").default)}\n */\n this.render = options.render ? options.render : VOID;\n\n if (options.target) {\n this.setTarget(options.target);\n }\n\n }\n\n if ( BaseObject ) Control.__proto__ = BaseObject;\n Control.prototype = Object.create( BaseObject && BaseObject.prototype );\n Control.prototype.constructor = Control;\n\n /**\n * @inheritDoc\n */\n Control.prototype.disposeInternal = function disposeInternal () {\n removeNode(this.element);\n BaseObject.prototype.disposeInternal.call(this);\n };\n\n /**\n * Get the map associated with this control.\n * @return {import(\"../PluggableMap.js\").default} Map.\n * @api\n */\n Control.prototype.getMap = function getMap () {\n return this.map_;\n };\n\n /**\n * Remove the control from its current map and attach it to the new map.\n * Subclasses may set up event handlers to get notified about changes to\n * the map here.\n * @param {import(\"../PluggableMap.js\").default} map Map.\n * @api\n */\n Control.prototype.setMap = function setMap (map) {\n if (this.map_) {\n removeNode(this.element);\n }\n for (var i = 0, ii = this.listenerKeys.length; i < ii; ++i) {\n unlistenByKey(this.listenerKeys[i]);\n }\n this.listenerKeys.length = 0;\n this.map_ = map;\n if (this.map_) {\n var target = this.target_ ?\n this.target_ : map.getOverlayContainerStopEvent();\n target.appendChild(this.element);\n if (this.render !== VOID) {\n this.listenerKeys.push(listen(map,\n MapEventType.POSTRENDER, this.render, this));\n }\n map.render();\n }\n };\n\n /**\n * This function is used to set a target element for the control. It has no\n * effect if it is called after the control has been added to the map (i.e.\n * after `setMap` is called on the control). If no `target` is set in the\n * options passed to the control constructor and if `setTarget` is not called\n * then the control is added to the map's overlay container.\n * @param {HTMLElement|string} target Target.\n * @api\n */\n Control.prototype.setTarget = function setTarget (target) {\n this.target_ = typeof target === 'string' ?\n document.getElementById(target) :\n target;\n };\n\n return Control;\n}(BaseObject));\n\n\nexport default Control;\n\n//# sourceMappingURL=Control.js.map","/**\n * @module ol/extent/Relationship\n */\n\n/**\n * Relationship to an extent.\n * @enum {number}\n */\nexport default {\n UNKNOWN: 0,\n INTERSECTING: 1,\n ABOVE: 2,\n RIGHT: 4,\n BELOW: 8,\n LEFT: 16\n};\n\n//# sourceMappingURL=Relationship.js.map","/**\n * @module ol/Collection\n */\nimport AssertionError from './AssertionError.js';\nimport CollectionEventType from './CollectionEventType.js';\nimport BaseObject from './Object.js';\nimport Event from './events/Event.js';\n\n\n/**\n * @enum {string}\n * @private\n */\nvar Property = {\n LENGTH: 'length'\n};\n\n\n/**\n * @classdesc\n * Events emitted by {@link module:ol/Collection~Collection} instances are instances of this\n * type.\n */\nexport var CollectionEvent = /*@__PURE__*/(function (Event) {\n function CollectionEvent(type, opt_element) {\n Event.call(this, type);\n\n /**\n * The element that is added to or removed from the collection.\n * @type {*}\n * @api\n */\n this.element = opt_element;\n\n }\n\n if ( Event ) CollectionEvent.__proto__ = Event;\n CollectionEvent.prototype = Object.create( Event && Event.prototype );\n CollectionEvent.prototype.constructor = CollectionEvent;\n\n return CollectionEvent;\n}(Event));\n\n\n/**\n * @typedef {Object} Options\n * @property {boolean} [unique=false] Disallow the same item from being added to\n * the collection twice.\n */\n\n/**\n * @classdesc\n * An expanded version of standard JS Array, adding convenience methods for\n * manipulation. Add and remove changes to the Collection trigger a Collection\n * event. Note that this does not cover changes to the objects _within_ the\n * Collection; they trigger events on the appropriate object, not on the\n * Collection as a whole.\n *\n * @fires CollectionEvent\n *\n * @template T\n * @api\n */\nvar Collection = /*@__PURE__*/(function (BaseObject) {\n function Collection(opt_array, opt_options) {\n\n BaseObject.call(this);\n\n var options = opt_options || {};\n\n /**\n * @private\n * @type {boolean}\n */\n this.unique_ = !!options.unique;\n\n /**\n * @private\n * @type {!Array}\n */\n this.array_ = opt_array ? opt_array : [];\n\n if (this.unique_) {\n for (var i = 0, ii = this.array_.length; i < ii; ++i) {\n this.assertUnique_(this.array_[i], i);\n }\n }\n\n this.updateLength_();\n\n }\n\n if ( BaseObject ) Collection.__proto__ = BaseObject;\n Collection.prototype = Object.create( BaseObject && BaseObject.prototype );\n Collection.prototype.constructor = Collection;\n\n /**\n * Remove all elements from the collection.\n * @api\n */\n Collection.prototype.clear = function clear () {\n while (this.getLength() > 0) {\n this.pop();\n }\n };\n\n /**\n * Add elements to the collection. This pushes each item in the provided array\n * to the end of the collection.\n * @param {!Array} arr Array.\n * @return {Collection} This collection.\n * @api\n */\n Collection.prototype.extend = function extend (arr) {\n for (var i = 0, ii = arr.length; i < ii; ++i) {\n this.push(arr[i]);\n }\n return this;\n };\n\n /**\n * Iterate over each element, calling the provided callback.\n * @param {function(T, number, Array): *} f The function to call\n * for every element. This function takes 3 arguments (the element, the\n * index and the array). The return value is ignored.\n * @api\n */\n Collection.prototype.forEach = function forEach (f) {\n var array = this.array_;\n for (var i = 0, ii = array.length; i < ii; ++i) {\n f(array[i], i, array);\n }\n };\n\n /**\n * Get a reference to the underlying Array object. Warning: if the array\n * is mutated, no events will be dispatched by the collection, and the\n * collection's \"length\" property won't be in sync with the actual length\n * of the array.\n * @return {!Array} Array.\n * @api\n */\n Collection.prototype.getArray = function getArray () {\n return this.array_;\n };\n\n /**\n * Get the element at the provided index.\n * @param {number} index Index.\n * @return {T} Element.\n * @api\n */\n Collection.prototype.item = function item (index) {\n return this.array_[index];\n };\n\n /**\n * Get the length of this collection.\n * @return {number} The length of the array.\n * @observable\n * @api\n */\n Collection.prototype.getLength = function getLength () {\n return this.get(Property.LENGTH);\n };\n\n /**\n * Insert an element at the provided index.\n * @param {number} index Index.\n * @param {T} elem Element.\n * @api\n */\n Collection.prototype.insertAt = function insertAt (index, elem) {\n if (this.unique_) {\n this.assertUnique_(elem);\n }\n this.array_.splice(index, 0, elem);\n this.updateLength_();\n this.dispatchEvent(\n new CollectionEvent(CollectionEventType.ADD, elem));\n };\n\n /**\n * Remove the last element of the collection and return it.\n * Return `undefined` if the collection is empty.\n * @return {T|undefined} Element.\n * @api\n */\n Collection.prototype.pop = function pop () {\n return this.removeAt(this.getLength() - 1);\n };\n\n /**\n * Insert the provided element at the end of the collection.\n * @param {T} elem Element.\n * @return {number} New length of the collection.\n * @api\n */\n Collection.prototype.push = function push (elem) {\n if (this.unique_) {\n this.assertUnique_(elem);\n }\n var n = this.getLength();\n this.insertAt(n, elem);\n return this.getLength();\n };\n\n /**\n * Remove the first occurrence of an element from the collection.\n * @param {T} elem Element.\n * @return {T|undefined} The removed element or undefined if none found.\n * @api\n */\n Collection.prototype.remove = function remove (elem) {\n var arr = this.array_;\n for (var i = 0, ii = arr.length; i < ii; ++i) {\n if (arr[i] === elem) {\n return this.removeAt(i);\n }\n }\n return undefined;\n };\n\n /**\n * Remove the element at the provided index and return it.\n * Return `undefined` if the collection does not contain this index.\n * @param {number} index Index.\n * @return {T|undefined} Value.\n * @api\n */\n Collection.prototype.removeAt = function removeAt (index) {\n var prev = this.array_[index];\n this.array_.splice(index, 1);\n this.updateLength_();\n this.dispatchEvent(new CollectionEvent(CollectionEventType.REMOVE, prev));\n return prev;\n };\n\n /**\n * Set the element at the provided index.\n * @param {number} index Index.\n * @param {T} elem Element.\n * @api\n */\n Collection.prototype.setAt = function setAt (index, elem) {\n var n = this.getLength();\n if (index < n) {\n if (this.unique_) {\n this.assertUnique_(elem, index);\n }\n var prev = this.array_[index];\n this.array_[index] = elem;\n this.dispatchEvent(\n new CollectionEvent(CollectionEventType.REMOVE, prev));\n this.dispatchEvent(\n new CollectionEvent(CollectionEventType.ADD, elem));\n } else {\n for (var j = n; j < index; ++j) {\n this.insertAt(j, undefined);\n }\n this.insertAt(index, elem);\n }\n };\n\n /**\n * @private\n */\n Collection.prototype.updateLength_ = function updateLength_ () {\n this.set(Property.LENGTH, this.array_.length);\n };\n\n /**\n * @private\n * @param {T} elem Element.\n * @param {number=} opt_except Optional index to ignore.\n */\n Collection.prototype.assertUnique_ = function assertUnique_ (elem, opt_except) {\n for (var i = 0, ii = this.array_.length; i < ii; ++i) {\n if (this.array_[i] === elem && i !== opt_except) {\n throw new AssertionError(58);\n }\n }\n };\n\n return Collection;\n}(BaseObject));\n\n\nexport default Collection;\n\n//# sourceMappingURL=Collection.js.map","/**\n * @module ol/CollectionEventType\n */\n\n/**\n * @enum {string}\n */\nexport default {\n /**\n * Triggered when an item is added to the collection.\n * @event module:ol/Collection.CollectionEvent#add\n * @api\n */\n ADD: 'add',\n /**\n * Triggered when an item is removed from the collection.\n * @event module:ol/Collection.CollectionEvent#remove\n * @api\n */\n REMOVE: 'remove'\n};\n\n//# sourceMappingURL=CollectionEventType.js.map","/**\n * @module ol/pointer/EventType\n */\n\n/**\n * Constants for event names.\n * @enum {string}\n */\nexport default {\n POINTERMOVE: 'pointermove',\n POINTERDOWN: 'pointerdown',\n POINTERUP: 'pointerup',\n POINTEROVER: 'pointerover',\n POINTEROUT: 'pointerout',\n POINTERENTER: 'pointerenter',\n POINTERLEAVE: 'pointerleave',\n POINTERCANCEL: 'pointercancel'\n};\n\n//# sourceMappingURL=EventType.js.map","/**\n * @module ol/MapProperty\n */\n\n/**\n * @enum {string}\n */\nexport default {\n LAYERGROUP: 'layergroup',\n SIZE: 'size',\n TARGET: 'target',\n VIEW: 'view'\n};\n\n//# sourceMappingURL=MapProperty.js.map","/**\n * @module ol/OverlayPositioning\n */\n\n/**\n * Overlay position: `'bottom-left'`, `'bottom-center'`, `'bottom-right'`,\n * `'center-left'`, `'center-center'`, `'center-right'`, `'top-left'`,\n * `'top-center'`, `'top-right'`\n * @enum {string}\n */\nexport default {\n BOTTOM_LEFT: 'bottom-left',\n BOTTOM_CENTER: 'bottom-center',\n BOTTOM_RIGHT: 'bottom-right',\n CENTER_LEFT: 'center-left',\n CENTER_CENTER: 'center-center',\n CENTER_RIGHT: 'center-right',\n TOP_LEFT: 'top-left',\n TOP_CENTER: 'top-center',\n TOP_RIGHT: 'top-right'\n};\n\n//# sourceMappingURL=OverlayPositioning.js.map","/**\n * @module ol/geom/flat/transform\n */\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {import(\"../../transform.js\").Transform} transform Transform.\n * @param {Array=} opt_dest Destination.\n * @return {Array} Transformed coordinates.\n */\nexport function transform2D(flatCoordinates, offset, end, stride, transform, opt_dest) {\n var dest = opt_dest ? opt_dest : [];\n var i = 0;\n for (var j = offset; j < end; j += stride) {\n var x = flatCoordinates[j];\n var y = flatCoordinates[j + 1];\n dest[i++] = transform[0] * x + transform[2] * y + transform[4];\n dest[i++] = transform[1] * x + transform[3] * y + transform[5];\n }\n if (opt_dest && dest.length != i) {\n dest.length = i;\n }\n return dest;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {number} angle Angle.\n * @param {Array} anchor Rotation anchor point.\n * @param {Array=} opt_dest Destination.\n * @return {Array} Transformed coordinates.\n */\nexport function rotate(flatCoordinates, offset, end, stride, angle, anchor, opt_dest) {\n var dest = opt_dest ? opt_dest : [];\n var cos = Math.cos(angle);\n var sin = Math.sin(angle);\n var anchorX = anchor[0];\n var anchorY = anchor[1];\n var i = 0;\n for (var j = offset; j < end; j += stride) {\n var deltaX = flatCoordinates[j] - anchorX;\n var deltaY = flatCoordinates[j + 1] - anchorY;\n dest[i++] = anchorX + deltaX * cos - deltaY * sin;\n dest[i++] = anchorY + deltaX * sin + deltaY * cos;\n for (var k = j + 2; k < j + stride; ++k) {\n dest[i++] = flatCoordinates[k];\n }\n }\n if (opt_dest && dest.length != i) {\n dest.length = i;\n }\n return dest;\n}\n\n\n/**\n * Scale the coordinates.\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {number} sx Scale factor in the x-direction.\n * @param {number} sy Scale factor in the y-direction.\n * @param {Array} anchor Scale anchor point.\n * @param {Array=} opt_dest Destination.\n * @return {Array} Transformed coordinates.\n */\nexport function scale(flatCoordinates, offset, end, stride, sx, sy, anchor, opt_dest) {\n var dest = opt_dest ? opt_dest : [];\n var anchorX = anchor[0];\n var anchorY = anchor[1];\n var i = 0;\n for (var j = offset; j < end; j += stride) {\n var deltaX = flatCoordinates[j] - anchorX;\n var deltaY = flatCoordinates[j + 1] - anchorY;\n dest[i++] = anchorX + sx * deltaX;\n dest[i++] = anchorY + sy * deltaY;\n for (var k = j + 2; k < j + stride; ++k) {\n dest[i++] = flatCoordinates[k];\n }\n }\n if (opt_dest && dest.length != i) {\n dest.length = i;\n }\n return dest;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {number} deltaX Delta X.\n * @param {number} deltaY Delta Y.\n * @param {Array=} opt_dest Destination.\n * @return {Array} Transformed coordinates.\n */\nexport function translate(flatCoordinates, offset, end, stride, deltaX, deltaY, opt_dest) {\n var dest = opt_dest ? opt_dest : [];\n var i = 0;\n for (var j = offset; j < end; j += stride) {\n dest[i++] = flatCoordinates[j] + deltaX;\n dest[i++] = flatCoordinates[j + 1] + deltaY;\n for (var k = j + 2; k < j + stride; ++k) {\n dest[i++] = flatCoordinates[k];\n }\n }\n if (opt_dest && dest.length != i) {\n dest.length = i;\n }\n return dest;\n}\n\n//# sourceMappingURL=transform.js.map","/**\n * @module ol/coordinate\n */\nimport {modulo} from './math.js';\nimport {padNumber} from './string.js';\n\n\n/**\n * An array of numbers representing an xy coordinate. Example: `[16, 48]`.\n * @typedef {Array} Coordinate\n * @api\n */\n\n\n/**\n * A function that takes a {@link module:ol/coordinate~Coordinate} and\n * transforms it into a `{string}`.\n *\n * @typedef {function((Coordinate|undefined)): string} CoordinateFormat\n * @api\n */\n\n\n/**\n * Add `delta` to `coordinate`. `coordinate` is modified in place and returned\n * by the function.\n *\n * Example:\n *\n * import {add} from 'ol/coordinate';\n *\n * var coord = [7.85, 47.983333];\n * add(coord, [-2, 4]);\n * // coord is now [5.85, 51.983333]\n *\n * @param {Coordinate} coordinate Coordinate.\n * @param {Coordinate} delta Delta.\n * @return {Coordinate} The input coordinate adjusted by\n * the given delta.\n * @api\n */\nexport function add(coordinate, delta) {\n coordinate[0] += delta[0];\n coordinate[1] += delta[1];\n return coordinate;\n}\n\n\n/**\n * Calculates the point closest to the passed coordinate on the passed circle.\n *\n * @param {Coordinate} coordinate The coordinate.\n * @param {import(\"./geom/Circle.js\").default} circle The circle.\n * @return {Coordinate} Closest point on the circumference.\n */\nexport function closestOnCircle(coordinate, circle) {\n var r = circle.getRadius();\n var center = circle.getCenter();\n var x0 = center[0];\n var y0 = center[1];\n var x1 = coordinate[0];\n var y1 = coordinate[1];\n\n var dx = x1 - x0;\n var dy = y1 - y0;\n if (dx === 0 && dy === 0) {\n dx = 1;\n }\n var d = Math.sqrt(dx * dx + dy * dy);\n\n var x = x0 + r * dx / d;\n var y = y0 + r * dy / d;\n\n return [x, y];\n}\n\n\n/**\n * Calculates the point closest to the passed coordinate on the passed segment.\n * This is the foot of the perpendicular of the coordinate to the segment when\n * the foot is on the segment, or the closest segment coordinate when the foot\n * is outside the segment.\n *\n * @param {Coordinate} coordinate The coordinate.\n * @param {Array} segment The two coordinates\n * of the segment.\n * @return {Coordinate} The foot of the perpendicular of\n * the coordinate to the segment.\n */\nexport function closestOnSegment(coordinate, segment) {\n var x0 = coordinate[0];\n var y0 = coordinate[1];\n var start = segment[0];\n var end = segment[1];\n var x1 = start[0];\n var y1 = start[1];\n var x2 = end[0];\n var y2 = end[1];\n var dx = x2 - x1;\n var dy = y2 - y1;\n var along = (dx === 0 && dy === 0) ? 0 :\n ((dx * (x0 - x1)) + (dy * (y0 - y1))) / ((dx * dx + dy * dy) || 0);\n var x, y;\n if (along <= 0) {\n x = x1;\n y = y1;\n } else if (along >= 1) {\n x = x2;\n y = y2;\n } else {\n x = x1 + along * dx;\n y = y1 + along * dy;\n }\n return [x, y];\n}\n\n\n/**\n * Returns a {@link module:ol/coordinate~CoordinateFormat} function that can be\n * used to format\n * a {Coordinate} to a string.\n *\n * Example without specifying the fractional digits:\n *\n * import {createStringXY} from 'ol/coordinate';\n *\n * var coord = [7.85, 47.983333];\n * var stringifyFunc = createStringXY();\n * var out = stringifyFunc(coord);\n * // out is now '8, 48'\n *\n * Example with explicitly specifying 2 fractional digits:\n *\n * import {createStringXY} from 'ol/coordinate';\n *\n * var coord = [7.85, 47.983333];\n * var stringifyFunc = createStringXY(2);\n * var out = stringifyFunc(coord);\n * // out is now '7.85, 47.98'\n *\n * @param {number=} opt_fractionDigits The number of digits to include\n * after the decimal point. Default is `0`.\n * @return {CoordinateFormat} Coordinate format.\n * @api\n */\nexport function createStringXY(opt_fractionDigits) {\n return (\n /**\n * @param {Coordinate} coordinate Coordinate.\n * @return {string} String XY.\n */\n function(coordinate) {\n return toStringXY(coordinate, opt_fractionDigits);\n }\n );\n}\n\n\n/**\n * @param {string} hemispheres Hemispheres.\n * @param {number} degrees Degrees.\n * @param {number=} opt_fractionDigits The number of digits to include\n * after the decimal point. Default is `0`.\n * @return {string} String.\n */\nexport function degreesToStringHDMS(hemispheres, degrees, opt_fractionDigits) {\n var normalizedDegrees = modulo(degrees + 180, 360) - 180;\n var x = Math.abs(3600 * normalizedDegrees);\n var dflPrecision = opt_fractionDigits || 0;\n var precision = Math.pow(10, dflPrecision);\n\n var deg = Math.floor(x / 3600);\n var min = Math.floor((x - deg * 3600) / 60);\n var sec = x - (deg * 3600) - (min * 60);\n sec = Math.ceil(sec * precision) / precision;\n\n if (sec >= 60) {\n sec = 0;\n min += 1;\n }\n\n if (min >= 60) {\n min = 0;\n deg += 1;\n }\n\n return deg + '\\u00b0 ' + padNumber(min, 2) + '\\u2032 ' +\n padNumber(sec, 2, dflPrecision) + '\\u2033' +\n (normalizedDegrees == 0 ? '' : ' ' + hemispheres.charAt(normalizedDegrees < 0 ? 1 : 0));\n}\n\n\n/**\n * Transforms the given {@link module:ol/coordinate~Coordinate} to a string\n * using the given string template. The strings `{x}` and `{y}` in the template\n * will be replaced with the first and second coordinate values respectively.\n *\n * Example without specifying the fractional digits:\n *\n * import {format} from 'ol/coordinate';\n *\n * var coord = [7.85, 47.983333];\n * var template = 'Coordinate is ({x}|{y}).';\n * var out = format(coord, template);\n * // out is now 'Coordinate is (8|48).'\n *\n * Example explicitly specifying the fractional digits:\n *\n * import {format} from 'ol/coordinate';\n *\n * var coord = [7.85, 47.983333];\n * var template = 'Coordinate is ({x}|{y}).';\n * var out = format(coord, template, 2);\n * // out is now 'Coordinate is (7.85|47.98).'\n *\n * @param {Coordinate} coordinate Coordinate.\n * @param {string} template A template string with `{x}` and `{y}` placeholders\n * that will be replaced by first and second coordinate values.\n * @param {number=} opt_fractionDigits The number of digits to include\n * after the decimal point. Default is `0`.\n * @return {string} Formatted coordinate.\n * @api\n */\nexport function format(coordinate, template, opt_fractionDigits) {\n if (coordinate) {\n return template\n .replace('{x}', coordinate[0].toFixed(opt_fractionDigits))\n .replace('{y}', coordinate[1].toFixed(opt_fractionDigits));\n } else {\n return '';\n }\n}\n\n\n/**\n * @param {Coordinate} coordinate1 First coordinate.\n * @param {Coordinate} coordinate2 Second coordinate.\n * @return {boolean} The two coordinates are equal.\n */\nexport function equals(coordinate1, coordinate2) {\n var equals = true;\n for (var i = coordinate1.length - 1; i >= 0; --i) {\n if (coordinate1[i] != coordinate2[i]) {\n equals = false;\n break;\n }\n }\n return equals;\n}\n\n\n/**\n * Rotate `coordinate` by `angle`. `coordinate` is modified in place and\n * returned by the function.\n *\n * Example:\n *\n * import {rotate} from 'ol/coordinate';\n *\n * var coord = [7.85, 47.983333];\n * var rotateRadians = Math.PI / 2; // 90 degrees\n * rotate(coord, rotateRadians);\n * // coord is now [-47.983333, 7.85]\n *\n * @param {Coordinate} coordinate Coordinate.\n * @param {number} angle Angle in radian.\n * @return {Coordinate} Coordinate.\n * @api\n */\nexport function rotate(coordinate, angle) {\n var cosAngle = Math.cos(angle);\n var sinAngle = Math.sin(angle);\n var x = coordinate[0] * cosAngle - coordinate[1] * sinAngle;\n var y = coordinate[1] * cosAngle + coordinate[0] * sinAngle;\n coordinate[0] = x;\n coordinate[1] = y;\n return coordinate;\n}\n\n\n/**\n * Scale `coordinate` by `scale`. `coordinate` is modified in place and returned\n * by the function.\n *\n * Example:\n *\n * import {scale as scaleCoordinate} from 'ol/coordinate';\n *\n * var coord = [7.85, 47.983333];\n * var scale = 1.2;\n * scaleCoordinate(coord, scale);\n * // coord is now [9.42, 57.5799996]\n *\n * @param {Coordinate} coordinate Coordinate.\n * @param {number} scale Scale factor.\n * @return {Coordinate} Coordinate.\n */\nexport function scale(coordinate, scale) {\n coordinate[0] *= scale;\n coordinate[1] *= scale;\n return coordinate;\n}\n\n\n/**\n * @param {Coordinate} coord1 First coordinate.\n * @param {Coordinate} coord2 Second coordinate.\n * @return {number} Squared distance between coord1 and coord2.\n */\nexport function squaredDistance(coord1, coord2) {\n var dx = coord1[0] - coord2[0];\n var dy = coord1[1] - coord2[1];\n return dx * dx + dy * dy;\n}\n\n\n/**\n * @param {Coordinate} coord1 First coordinate.\n * @param {Coordinate} coord2 Second coordinate.\n * @return {number} Distance between coord1 and coord2.\n */\nexport function distance(coord1, coord2) {\n return Math.sqrt(squaredDistance(coord1, coord2));\n}\n\n\n/**\n * Calculate the squared distance from a coordinate to a line segment.\n *\n * @param {Coordinate} coordinate Coordinate of the point.\n * @param {Array} segment Line segment (2\n * coordinates).\n * @return {number} Squared distance from the point to the line segment.\n */\nexport function squaredDistanceToSegment(coordinate, segment) {\n return squaredDistance(coordinate,\n closestOnSegment(coordinate, segment));\n}\n\n\n/**\n * Format a geographic coordinate with the hemisphere, degrees, minutes, and\n * seconds.\n *\n * Example without specifying fractional digits:\n *\n * import {toStringHDMS} from 'ol/coordinate';\n *\n * var coord = [7.85, 47.983333];\n * var out = toStringHDMS(coord);\n * // out is now '47° 58′ 60″ N 7° 50′ 60″ E'\n *\n * Example explicitly specifying 1 fractional digit:\n *\n * import {toStringHDMS} from 'ol/coordinate';\n *\n * var coord = [7.85, 47.983333];\n * var out = toStringHDMS(coord, 1);\n * // out is now '47° 58′ 60.0″ N 7° 50′ 60.0″ E'\n *\n * @param {Coordinate} coordinate Coordinate.\n * @param {number=} opt_fractionDigits The number of digits to include\n * after the decimal point. Default is `0`.\n * @return {string} Hemisphere, degrees, minutes and seconds.\n * @api\n */\nexport function toStringHDMS(coordinate, opt_fractionDigits) {\n if (coordinate) {\n return degreesToStringHDMS('NS', coordinate[1], opt_fractionDigits) + ' ' +\n degreesToStringHDMS('EW', coordinate[0], opt_fractionDigits);\n } else {\n return '';\n }\n}\n\n\n/**\n * Format a coordinate as a comma delimited string.\n *\n * Example without specifying fractional digits:\n *\n * import {toStringXY} from 'ol/coordinate';\n *\n * var coord = [7.85, 47.983333];\n * var out = toStringXY(coord);\n * // out is now '8, 48'\n *\n * Example explicitly specifying 1 fractional digit:\n *\n * import {toStringXY} from 'ol/coordinate';\n *\n * var coord = [7.85, 47.983333];\n * var out = toStringXY(coord, 1);\n * // out is now '7.8, 48.0'\n *\n * @param {Coordinate} coordinate Coordinate.\n * @param {number=} opt_fractionDigits The number of digits to include\n * after the decimal point. Default is `0`.\n * @return {string} XY.\n * @api\n */\nexport function toStringXY(coordinate, opt_fractionDigits) {\n return format(coordinate, '{x}, {y}', opt_fractionDigits);\n}\n\n//# sourceMappingURL=coordinate.js.map","/**\n * @module ol/events/Target\n */\nimport Disposable from '../Disposable.js';\nimport {unlistenAll} from '../events.js';\nimport {VOID} from '../functions.js';\nimport Event from './Event.js';\n\n\n/**\n * @typedef {EventTarget|Target} EventTargetLike\n */\n\n\n/**\n * @classdesc\n * A simplified implementation of the W3C DOM Level 2 EventTarget interface.\n * See https://www.w3.org/TR/2000/REC-DOM-Level-2-Events-20001113/events.html#Events-EventTarget.\n *\n * There are two important simplifications compared to the specification:\n *\n * 1. The handling of `useCapture` in `addEventListener` and\n * `removeEventListener`. There is no real capture model.\n * 2. The handling of `stopPropagation` and `preventDefault` on `dispatchEvent`.\n * There is no event target hierarchy. When a listener calls\n * `stopPropagation` or `preventDefault` on an event object, it means that no\n * more listeners after this one will be called. Same as when the listener\n * returns false.\n */\nvar Target = /*@__PURE__*/(function (Disposable) {\n function Target() {\n\n Disposable.call(this);\n\n /**\n * @private\n * @type {!Object}\n */\n this.pendingRemovals_ = {};\n\n /**\n * @private\n * @type {!Object}\n */\n this.dispatching_ = {};\n\n /**\n * @private\n * @type {!Object>}\n */\n this.listeners_ = {};\n\n }\n\n if ( Disposable ) Target.__proto__ = Disposable;\n Target.prototype = Object.create( Disposable && Disposable.prototype );\n Target.prototype.constructor = Target;\n\n /**\n * @param {string} type Type.\n * @param {import(\"../events.js\").ListenerFunction} listener Listener.\n */\n Target.prototype.addEventListener = function addEventListener (type, listener) {\n var listeners = this.listeners_[type];\n if (!listeners) {\n listeners = this.listeners_[type] = [];\n }\n if (listeners.indexOf(listener) === -1) {\n listeners.push(listener);\n }\n };\n\n /**\n * Dispatches an event and calls all listeners listening for events\n * of this type. The event parameter can either be a string or an\n * Object with a `type` property.\n *\n * @param {{type: string,\n * target: (EventTargetLike|undefined),\n * propagationStopped: (boolean|undefined)}|\n * import(\"./Event.js\").default|string} event Event object.\n * @return {boolean|undefined} `false` if anyone called preventDefault on the\n * event object or if any of the listeners returned false.\n * @api\n */\n Target.prototype.dispatchEvent = function dispatchEvent (event) {\n var evt = typeof event === 'string' ? new Event(event) : event;\n var type = evt.type;\n evt.target = this;\n var listeners = this.listeners_[type];\n var propagate;\n if (listeners) {\n if (!(type in this.dispatching_)) {\n this.dispatching_[type] = 0;\n this.pendingRemovals_[type] = 0;\n }\n ++this.dispatching_[type];\n for (var i = 0, ii = listeners.length; i < ii; ++i) {\n if (listeners[i].call(this, evt) === false || evt.propagationStopped) {\n propagate = false;\n break;\n }\n }\n --this.dispatching_[type];\n if (this.dispatching_[type] === 0) {\n var pendingRemovals = this.pendingRemovals_[type];\n delete this.pendingRemovals_[type];\n while (pendingRemovals--) {\n this.removeEventListener(type, VOID);\n }\n delete this.dispatching_[type];\n }\n return propagate;\n }\n };\n\n /**\n * @inheritDoc\n */\n Target.prototype.disposeInternal = function disposeInternal () {\n unlistenAll(this);\n };\n\n /**\n * Get the listeners for a specified event type. Listeners are returned in the\n * order that they will be called in.\n *\n * @param {string} type Type.\n * @return {Array} Listeners.\n */\n Target.prototype.getListeners = function getListeners (type) {\n return this.listeners_[type];\n };\n\n /**\n * @param {string=} opt_type Type. If not provided,\n * `true` will be returned if this event target has any listeners.\n * @return {boolean} Has listeners.\n */\n Target.prototype.hasListener = function hasListener (opt_type) {\n return opt_type ?\n opt_type in this.listeners_ :\n Object.keys(this.listeners_).length > 0;\n };\n\n /**\n * @param {string} type Type.\n * @param {import(\"../events.js\").ListenerFunction} listener Listener.\n */\n Target.prototype.removeEventListener = function removeEventListener (type, listener) {\n var listeners = this.listeners_[type];\n if (listeners) {\n var index = listeners.indexOf(listener);\n if (type in this.pendingRemovals_) {\n // make listener a no-op, and remove later in #dispatchEvent()\n listeners[index] = VOID;\n ++this.pendingRemovals_[type];\n } else {\n listeners.splice(index, 1);\n if (listeners.length === 0) {\n delete this.listeners_[type];\n }\n }\n }\n };\n\n return Target;\n}(Disposable));\n\n\nexport default Target;\n\n//# sourceMappingURL=Target.js.map","/**\n * @module ol/color\n */\nimport {assert} from './asserts.js';\nimport {clamp} from './math.js';\n\n\n/**\n * A color represented as a short array [red, green, blue, alpha].\n * red, green, and blue should be integers in the range 0..255 inclusive.\n * alpha should be a float in the range 0..1 inclusive. If no alpha value is\n * given then `1` will be used.\n * @typedef {Array} Color\n * @api\n */\n\n\n/**\n * This RegExp matches # followed by 3, 4, 6, or 8 hex digits.\n * @const\n * @type {RegExp}\n * @private\n */\nvar HEX_COLOR_RE_ = /^#([a-f0-9]{3}|[a-f0-9]{4}(?:[a-f0-9]{2}){0,2})$/i;\n\n\n/**\n * Regular expression for matching potential named color style strings.\n * @const\n * @type {RegExp}\n * @private\n */\nvar NAMED_COLOR_RE_ = /^([a-z]*)$/i;\n\n\n/**\n * Return the color as an rgba string.\n * @param {Color|string} color Color.\n * @return {string} Rgba string.\n * @api\n */\nexport function asString(color) {\n if (typeof color === 'string') {\n return color;\n } else {\n return toString(color);\n }\n}\n\n/**\n * Return named color as an rgba string.\n * @param {string} color Named color.\n * @return {string} Rgb string.\n */\nfunction fromNamed(color) {\n var el = document.createElement('div');\n el.style.color = color;\n if (el.style.color !== '') {\n document.body.appendChild(el);\n var rgb = getComputedStyle(el).color;\n document.body.removeChild(el);\n return rgb;\n } else {\n return '';\n }\n}\n\n\n/**\n * @param {string} s String.\n * @return {Color} Color.\n */\nexport var fromString = (\n function() {\n\n // We maintain a small cache of parsed strings. To provide cheap LRU-like\n // semantics, whenever the cache grows too large we simply delete an\n // arbitrary 25% of the entries.\n\n /**\n * @const\n * @type {number}\n */\n var MAX_CACHE_SIZE = 1024;\n\n /**\n * @type {Object}\n */\n var cache = {};\n\n /**\n * @type {number}\n */\n var cacheSize = 0;\n\n return (\n /**\n * @param {string} s String.\n * @return {Color} Color.\n */\n function(s) {\n var color;\n if (cache.hasOwnProperty(s)) {\n color = cache[s];\n } else {\n if (cacheSize >= MAX_CACHE_SIZE) {\n var i = 0;\n for (var key in cache) {\n if ((i++ & 3) === 0) {\n delete cache[key];\n --cacheSize;\n }\n }\n }\n color = fromStringInternal_(s);\n cache[s] = color;\n ++cacheSize;\n }\n return color;\n }\n );\n\n })();\n\n/**\n * Return the color as an array. This function maintains a cache of calculated\n * arrays which means the result should not be modified.\n * @param {Color|string} color Color.\n * @return {Color} Color.\n * @api\n */\nexport function asArray(color) {\n if (Array.isArray(color)) {\n return color;\n } else {\n return fromString(color);\n }\n}\n\n/**\n * @param {string} s String.\n * @private\n * @return {Color} Color.\n */\nfunction fromStringInternal_(s) {\n var r, g, b, a, color;\n\n if (NAMED_COLOR_RE_.exec(s)) {\n s = fromNamed(s);\n }\n\n if (HEX_COLOR_RE_.exec(s)) { // hex\n var n = s.length - 1; // number of hex digits\n var d; // number of digits per channel\n if (n <= 4) {\n d = 1;\n } else {\n d = 2;\n }\n var hasAlpha = n === 4 || n === 8;\n r = parseInt(s.substr(1 + 0 * d, d), 16);\n g = parseInt(s.substr(1 + 1 * d, d), 16);\n b = parseInt(s.substr(1 + 2 * d, d), 16);\n if (hasAlpha) {\n a = parseInt(s.substr(1 + 3 * d, d), 16);\n } else {\n a = 255;\n }\n if (d == 1) {\n r = (r << 4) + r;\n g = (g << 4) + g;\n b = (b << 4) + b;\n if (hasAlpha) {\n a = (a << 4) + a;\n }\n }\n color = [r, g, b, a / 255];\n } else if (s.indexOf('rgba(') == 0) { // rgba()\n color = s.slice(5, -1).split(',').map(Number);\n normalize(color);\n } else if (s.indexOf('rgb(') == 0) { // rgb()\n color = s.slice(4, -1).split(',').map(Number);\n color.push(1);\n normalize(color);\n } else {\n assert(false, 14); // Invalid color\n }\n return color;\n}\n\n\n/**\n * TODO this function is only used in the test, we probably shouldn't export it\n * @param {Color} color Color.\n * @return {Color} Clamped color.\n */\nexport function normalize(color) {\n color[0] = clamp((color[0] + 0.5) | 0, 0, 255);\n color[1] = clamp((color[1] + 0.5) | 0, 0, 255);\n color[2] = clamp((color[2] + 0.5) | 0, 0, 255);\n color[3] = clamp(color[3], 0, 1);\n return color;\n}\n\n\n/**\n * @param {Color} color Color.\n * @return {string} String.\n */\nexport function toString(color) {\n var r = color[0];\n if (r != (r | 0)) {\n r = (r + 0.5) | 0;\n }\n var g = color[1];\n if (g != (g | 0)) {\n g = (g + 0.5) | 0;\n }\n var b = color[2];\n if (b != (b | 0)) {\n b = (b + 0.5) | 0;\n }\n var a = color[3] === undefined ? 1 : color[3];\n return 'rgba(' + r + ',' + g + ',' + b + ',' + a + ')';\n}\n\n//# sourceMappingURL=color.js.map","/**\n * @module ol/LayerType\n */\n\n/**\n * A layer type used when creating layer renderers.\n * @enum {string}\n */\nexport default {\n IMAGE: 'IMAGE',\n TILE: 'TILE',\n VECTOR_TILE: 'VECTOR_TILE',\n VECTOR: 'VECTOR'\n};\n\n//# sourceMappingURL=LayerType.js.map","/**\n * @module ol/render/EventType\n */\n\n/**\n * @enum {string}\n */\nexport default {\n /**\n * @event module:ol/render/Event~RenderEvent#postcompose\n * @api\n */\n POSTCOMPOSE: 'postcompose',\n /**\n * @event module:ol/render/Event~RenderEvent#precompose\n * @api\n */\n PRECOMPOSE: 'precompose',\n /**\n * @event module:ol/render/Event~RenderEvent#render\n * @api\n */\n RENDER: 'render',\n /**\n * Triggered when rendering is complete, i.e. all sources and tiles have\n * finished loading for the current viewport, and all tiles are faded in.\n * @event module:ol/render/Event~RenderEvent#rendercomplete\n * @api\n */\n RENDERCOMPLETE: 'rendercomplete'\n};\n\n//# sourceMappingURL=EventType.js.map","/**\n * @module ol/colorlike\n */\nimport {toString} from './color.js';\n\n\n/**\n * A type accepted by CanvasRenderingContext2D.fillStyle\n * or CanvasRenderingContext2D.strokeStyle.\n * Represents a color, pattern, or gradient. The origin for patterns and\n * gradients as fill style is an increment of 512 css pixels from map coordinate\n * `[0, 0]`. For seamless repeat patterns, width and height of the pattern image\n * must be a factor of two (2, 4, 8, ..., 512).\n *\n * @typedef {string|CanvasPattern|CanvasGradient} ColorLike\n * @api\n */\n\n\n/**\n * @param {import(\"./color.js\").Color|ColorLike} color Color.\n * @return {ColorLike} The color as an {@link ol/colorlike~ColorLike}.\n * @api\n */\nexport function asColorLike(color) {\n if (Array.isArray(color)) {\n return toString(color);\n } else {\n return color;\n }\n}\n\n//# sourceMappingURL=colorlike.js.map","/**\n * @module ol/reproj/common\n */\n\n/**\n * Default maximum allowed threshold (in pixels) for reprojection\n * triangulation.\n * @type {number}\n */\nexport var ERROR_THRESHOLD = 0.5;\n\n/**\n * Enable automatic reprojection of raster sources. Default is `true`.\n * TODO: decide if we want to expose this as a build flag or remove it\n * @type {boolean}\n */\nexport var ENABLE_RASTER_REPROJECTION = true;\n\n//# sourceMappingURL=common.js.map","/**\n * @module ol/size\n */\n\n\n/**\n * An array of numbers representing a size: `[width, height]`.\n * @typedef {Array} Size\n * @api\n */\n\n\n/**\n * Returns a buffered size.\n * @param {Size} size Size.\n * @param {number} num The amount by which to buffer.\n * @param {Size=} opt_size Optional reusable size array.\n * @return {Size} The buffered size.\n */\nexport function buffer(size, num, opt_size) {\n if (opt_size === undefined) {\n opt_size = [0, 0];\n }\n opt_size[0] = size[0] + 2 * num;\n opt_size[1] = size[1] + 2 * num;\n return opt_size;\n}\n\n\n/**\n * Determines if a size has a positive area.\n * @param {Size} size The size to test.\n * @return {boolean} The size has a positive area.\n */\nexport function hasArea(size) {\n return size[0] > 0 && size[1] > 0;\n}\n\n\n/**\n * Returns a size scaled by a ratio. The result will be an array of integers.\n * @param {Size} size Size.\n * @param {number} ratio Ratio.\n * @param {Size=} opt_size Optional reusable size array.\n * @return {Size} The scaled size.\n */\nexport function scale(size, ratio, opt_size) {\n if (opt_size === undefined) {\n opt_size = [0, 0];\n }\n opt_size[0] = (size[0] * ratio + 0.5) | 0;\n opt_size[1] = (size[1] * ratio + 0.5) | 0;\n return opt_size;\n}\n\n\n/**\n * Returns an `Size` array for the passed in number (meaning: square) or\n * `Size` array.\n * (meaning: non-square),\n * @param {number|Size} size Width and height.\n * @param {Size=} opt_size Optional reusable size array.\n * @return {Size} Size.\n * @api\n */\nexport function toSize(size, opt_size) {\n if (Array.isArray(size)) {\n return size;\n } else {\n if (opt_size === undefined) {\n opt_size = [size, size];\n } else {\n opt_size[0] = opt_size[1] = /** @type {number} */ (size);\n }\n return opt_size;\n }\n}\n\n//# sourceMappingURL=size.js.map","/**\n * @module ol/source/State\n */\n\n/**\n * @enum {string}\n * State of the source, one of 'undefined', 'loading', 'ready' or 'error'.\n */\nexport default {\n UNDEFINED: 'undefined',\n LOADING: 'loading',\n READY: 'ready',\n ERROR: 'error'\n};\n\n//# sourceMappingURL=State.js.map","/**\n * @module ol/ObjectEventType\n */\n\n/**\n * @enum {string}\n */\nexport default {\n /**\n * Triggered when a property is changed.\n * @event module:ol/Object.ObjectEvent#propertychange\n * @api\n */\n PROPERTYCHANGE: 'propertychange'\n};\n\n//# sourceMappingURL=ObjectEventType.js.map","/**\n * @module ol/layer/Layer\n */\nimport {listen, unlistenByKey} from '../events.js';\nimport EventType from '../events/EventType.js';\nimport {getUid} from '../util.js';\nimport {getChangeEventType} from '../Object.js';\nimport BaseLayer from './Base.js';\nimport LayerProperty from './Property.js';\nimport {assign} from '../obj.js';\nimport RenderEventType from '../render/EventType.js';\nimport SourceState from '../source/State.js';\n\n\n/**\n * @typedef {Object} Options\n * @property {number} [opacity=1] Opacity (0, 1).\n * @property {boolean} [visible=true] Visibility.\n * @property {import(\"../extent.js\").Extent} [extent] The bounding extent for layer rendering. The layer will not be\n * rendered outside of this extent.\n * @property {number} [zIndex] The z-index for layer rendering. At rendering time, the layers\n * will be ordered, first by Z-index and then by position. When `undefined`, a `zIndex` of 0 is assumed\n * for layers that are added to the map's `layers` collection, or `Infinity` when the layer's `setMap()`\n * method was used.\n * @property {number} [minResolution] The minimum resolution (inclusive) at which this layer will be\n * visible.\n * @property {number} [maxResolution] The maximum resolution (exclusive) below which this layer will\n * be visible.\n * @property {import(\"../source/Source.js\").default} [source] Source for this layer. If not provided to the constructor,\n * the source can be set by calling {@link module:ol/layer/Layer#setSource layer.setSource(source)} after\n * construction.\n * @property {import(\"../PluggableMap.js\").default} [map] Map.\n */\n\n\n/**\n * @typedef {Object} State\n * @property {import(\"./Base.js\").default} layer\n * @property {number} opacity\n * @property {SourceState} sourceState\n * @property {boolean} visible\n * @property {boolean} managed\n * @property {import(\"../extent.js\").Extent} [extent]\n * @property {number} zIndex\n * @property {number} maxResolution\n * @property {number} minResolution\n */\n\n/**\n * @classdesc\n * Abstract base class; normally only used for creating subclasses and not\n * instantiated in apps.\n * A visual representation of raster or vector map data.\n * Layers group together those properties that pertain to how the data is to be\n * displayed, irrespective of the source of that data.\n *\n * Layers are usually added to a map with {@link module:ol/Map#addLayer}. Components\n * like {@link module:ol/interaction/Select~Select} use unmanaged layers\n * internally. These unmanaged layers are associated with the map using\n * {@link module:ol/layer/Layer~Layer#setMap} instead.\n *\n * A generic `change` event is fired when the state of the source changes.\n *\n * @fires import(\"../render/Event.js\").RenderEvent\n */\nvar Layer = /*@__PURE__*/(function (BaseLayer) {\n function Layer(options) {\n\n var baseOptions = assign({}, options);\n delete baseOptions.source;\n\n BaseLayer.call(this, baseOptions);\n\n /**\n * @private\n * @type {?import(\"../events.js\").EventsKey}\n */\n this.mapPrecomposeKey_ = null;\n\n /**\n * @private\n * @type {?import(\"../events.js\").EventsKey}\n */\n this.mapRenderKey_ = null;\n\n /**\n * @private\n * @type {?import(\"../events.js\").EventsKey}\n */\n this.sourceChangeKey_ = null;\n\n if (options.map) {\n this.setMap(options.map);\n }\n\n listen(this,\n getChangeEventType(LayerProperty.SOURCE),\n this.handleSourcePropertyChange_, this);\n\n var source = options.source ? options.source : null;\n this.setSource(source);\n }\n\n if ( BaseLayer ) Layer.__proto__ = BaseLayer;\n Layer.prototype = Object.create( BaseLayer && BaseLayer.prototype );\n Layer.prototype.constructor = Layer;\n\n /**\n * @inheritDoc\n */\n Layer.prototype.getLayersArray = function getLayersArray (opt_array) {\n var array = opt_array ? opt_array : [];\n array.push(this);\n return array;\n };\n\n /**\n * @inheritDoc\n */\n Layer.prototype.getLayerStatesArray = function getLayerStatesArray (opt_states) {\n var states = opt_states ? opt_states : [];\n states.push(this.getLayerState());\n return states;\n };\n\n /**\n * Get the layer source.\n * @return {import(\"../source/Source.js\").default} The layer source (or `null` if not yet set).\n * @observable\n * @api\n */\n Layer.prototype.getSource = function getSource () {\n var source = this.get(LayerProperty.SOURCE);\n return (\n /** @type {import(\"../source/Source.js\").default} */ (source) || null\n );\n };\n\n /**\n * @inheritDoc\n */\n Layer.prototype.getSourceState = function getSourceState () {\n var source = this.getSource();\n return !source ? SourceState.UNDEFINED : source.getState();\n };\n\n /**\n * @private\n */\n Layer.prototype.handleSourceChange_ = function handleSourceChange_ () {\n this.changed();\n };\n\n /**\n * @private\n */\n Layer.prototype.handleSourcePropertyChange_ = function handleSourcePropertyChange_ () {\n if (this.sourceChangeKey_) {\n unlistenByKey(this.sourceChangeKey_);\n this.sourceChangeKey_ = null;\n }\n var source = this.getSource();\n if (source) {\n this.sourceChangeKey_ = listen(source,\n EventType.CHANGE, this.handleSourceChange_, this);\n }\n this.changed();\n };\n\n /**\n * Sets the layer to be rendered on top of other layers on a map. The map will\n * not manage this layer in its layers collection, and the callback in\n * {@link module:ol/Map#forEachLayerAtPixel} will receive `null` as layer. This\n * is useful for temporary layers. To remove an unmanaged layer from the map,\n * use `#setMap(null)`.\n *\n * To add the layer to a map and have it managed by the map, use\n * {@link module:ol/Map#addLayer} instead.\n * @param {import(\"../PluggableMap.js\").default} map Map.\n * @api\n */\n Layer.prototype.setMap = function setMap (map) {\n if (this.mapPrecomposeKey_) {\n unlistenByKey(this.mapPrecomposeKey_);\n this.mapPrecomposeKey_ = null;\n }\n if (!map) {\n this.changed();\n }\n if (this.mapRenderKey_) {\n unlistenByKey(this.mapRenderKey_);\n this.mapRenderKey_ = null;\n }\n if (map) {\n this.mapPrecomposeKey_ = listen(map, RenderEventType.PRECOMPOSE, function(evt) {\n var renderEvent = /** @type {import(\"../render/Event.js\").default} */ (evt);\n var layerState = this.getLayerState();\n layerState.managed = false;\n if (this.getZIndex() === undefined) {\n layerState.zIndex = Infinity;\n }\n renderEvent.frameState.layerStatesArray.push(layerState);\n renderEvent.frameState.layerStates[getUid(this)] = layerState;\n }, this);\n this.mapRenderKey_ = listen(this, EventType.CHANGE, map.render, map);\n this.changed();\n }\n };\n\n /**\n * Set the layer source.\n * @param {import(\"../source/Source.js\").default} source The layer source.\n * @observable\n * @api\n */\n Layer.prototype.setSource = function setSource (source) {\n this.set(LayerProperty.SOURCE, source);\n };\n\n return Layer;\n}(BaseLayer));\n\n\n/**\n * Return `true` if the layer is visible, and if the passed resolution is\n * between the layer's minResolution and maxResolution. The comparison is\n * inclusive for `minResolution` and exclusive for `maxResolution`.\n * @param {State} layerState Layer state.\n * @param {number} resolution Resolution.\n * @return {boolean} The layer is visible at the given resolution.\n */\nexport function visibleAtResolution(layerState, resolution) {\n return layerState.visible && resolution >= layerState.minResolution &&\n resolution < layerState.maxResolution;\n}\n\n\nexport default Layer;\n\n//# sourceMappingURL=Layer.js.map","/**\n * @module ol/geom/Geometry\n */\nimport {abstract} from '../util.js';\nimport BaseObject from '../Object.js';\nimport {createEmpty, getHeight, returnOrUpdate} from '../extent.js';\nimport {transform2D} from './flat/transform.js';\nimport {get as getProjection, getTransform} from '../proj.js';\nimport Units from '../proj/Units.js';\nimport {create as createTransform, compose as composeTransform} from '../transform.js';\n\n\n/**\n * @type {import(\"../transform.js\").Transform}\n */\nvar tmpTransform = createTransform();\n\n\n/**\n * @classdesc\n * Abstract base class; normally only used for creating subclasses and not\n * instantiated in apps.\n * Base class for vector geometries.\n *\n * To get notified of changes to the geometry, register a listener for the\n * generic `change` event on your geometry instance.\n *\n * @abstract\n * @api\n */\nvar Geometry = /*@__PURE__*/(function (BaseObject) {\n function Geometry() {\n\n BaseObject.call(this);\n\n /**\n * @private\n * @type {import(\"../extent.js\").Extent}\n */\n this.extent_ = createEmpty();\n\n /**\n * @private\n * @type {number}\n */\n this.extentRevision_ = -1;\n\n /**\n * @protected\n * @type {Object}\n */\n this.simplifiedGeometryCache = {};\n\n /**\n * @protected\n * @type {number}\n */\n this.simplifiedGeometryMaxMinSquaredTolerance = 0;\n\n /**\n * @protected\n * @type {number}\n */\n this.simplifiedGeometryRevision = 0;\n\n }\n\n if ( BaseObject ) Geometry.__proto__ = BaseObject;\n Geometry.prototype = Object.create( BaseObject && BaseObject.prototype );\n Geometry.prototype.constructor = Geometry;\n\n /**\n * Make a complete copy of the geometry.\n * @abstract\n * @return {!Geometry} Clone.\n */\n Geometry.prototype.clone = function clone () {\n return abstract();\n };\n\n /**\n * @abstract\n * @param {number} x X.\n * @param {number} y Y.\n * @param {import(\"../coordinate.js\").Coordinate} closestPoint Closest point.\n * @param {number} minSquaredDistance Minimum squared distance.\n * @return {number} Minimum squared distance.\n */\n Geometry.prototype.closestPointXY = function closestPointXY (x, y, closestPoint, minSquaredDistance) {\n return abstract();\n };\n\n /**\n * @param {number} x X.\n * @param {number} y Y.\n * @return {boolean} Contains (x, y).\n */\n Geometry.prototype.containsXY = function containsXY (x, y) {\n return false;\n };\n\n /**\n * Return the closest point of the geometry to the passed point as\n * {@link module:ol/coordinate~Coordinate coordinate}.\n * @param {import(\"../coordinate.js\").Coordinate} point Point.\n * @param {import(\"../coordinate.js\").Coordinate=} opt_closestPoint Closest point.\n * @return {import(\"../coordinate.js\").Coordinate} Closest point.\n * @api\n */\n Geometry.prototype.getClosestPoint = function getClosestPoint (point, opt_closestPoint) {\n var closestPoint = opt_closestPoint ? opt_closestPoint : [NaN, NaN];\n this.closestPointXY(point[0], point[1], closestPoint, Infinity);\n return closestPoint;\n };\n\n /**\n * Returns true if this geometry includes the specified coordinate. If the\n * coordinate is on the boundary of the geometry, returns false.\n * @param {import(\"../coordinate.js\").Coordinate} coordinate Coordinate.\n * @return {boolean} Contains coordinate.\n * @api\n */\n Geometry.prototype.intersectsCoordinate = function intersectsCoordinate (coordinate) {\n return this.containsXY(coordinate[0], coordinate[1]);\n };\n\n /**\n * @abstract\n * @param {import(\"../extent.js\").Extent} extent Extent.\n * @protected\n * @return {import(\"../extent.js\").Extent} extent Extent.\n */\n Geometry.prototype.computeExtent = function computeExtent (extent) {\n return abstract();\n };\n\n /**\n * Get the extent of the geometry.\n * @param {import(\"../extent.js\").Extent=} opt_extent Extent.\n * @return {import(\"../extent.js\").Extent} extent Extent.\n * @api\n */\n Geometry.prototype.getExtent = function getExtent (opt_extent) {\n if (this.extentRevision_ != this.getRevision()) {\n this.extent_ = this.computeExtent(this.extent_);\n this.extentRevision_ = this.getRevision();\n }\n return returnOrUpdate(this.extent_, opt_extent);\n };\n\n /**\n * Rotate the geometry around a given coordinate. This modifies the geometry\n * coordinates in place.\n * @abstract\n * @param {number} angle Rotation angle in radians.\n * @param {import(\"../coordinate.js\").Coordinate} anchor The rotation center.\n * @api\n */\n Geometry.prototype.rotate = function rotate (angle, anchor) {\n abstract();\n };\n\n /**\n * Scale the geometry (with an optional origin). This modifies the geometry\n * coordinates in place.\n * @abstract\n * @param {number} sx The scaling factor in the x-direction.\n * @param {number=} opt_sy The scaling factor in the y-direction (defaults to\n * sx).\n * @param {import(\"../coordinate.js\").Coordinate=} opt_anchor The scale origin (defaults to the center\n * of the geometry extent).\n * @api\n */\n Geometry.prototype.scale = function scale (sx, opt_sy, opt_anchor) {\n abstract();\n };\n\n /**\n * Create a simplified version of this geometry. For linestrings, this uses\n * the the {@link\n * https://en.wikipedia.org/wiki/Ramer-Douglas-Peucker_algorithm\n * Douglas Peucker} algorithm. For polygons, a quantization-based\n * simplification is used to preserve topology.\n * @param {number} tolerance The tolerance distance for simplification.\n * @return {Geometry} A new, simplified version of the original geometry.\n * @api\n */\n Geometry.prototype.simplify = function simplify (tolerance) {\n return this.getSimplifiedGeometry(tolerance * tolerance);\n };\n\n /**\n * Create a simplified version of this geometry using the Douglas Peucker\n * algorithm.\n * See https://en.wikipedia.org/wiki/Ramer-Douglas-Peucker_algorithm.\n * @abstract\n * @param {number} squaredTolerance Squared tolerance.\n * @return {Geometry} Simplified geometry.\n */\n Geometry.prototype.getSimplifiedGeometry = function getSimplifiedGeometry (squaredTolerance) {\n return abstract();\n };\n\n /**\n * Get the type of this geometry.\n * @abstract\n * @return {import(\"./GeometryType.js\").default} Geometry type.\n */\n Geometry.prototype.getType = function getType () {\n return abstract();\n };\n\n /**\n * Apply a transform function to each coordinate of the geometry.\n * The geometry is modified in place.\n * If you do not want the geometry modified in place, first `clone()` it and\n * then use this function on the clone.\n * @abstract\n * @param {import(\"../proj.js\").TransformFunction} transformFn Transform.\n */\n Geometry.prototype.applyTransform = function applyTransform (transformFn) {\n abstract();\n };\n\n /**\n * Test if the geometry and the passed extent intersect.\n * @abstract\n * @param {import(\"../extent.js\").Extent} extent Extent.\n * @return {boolean} `true` if the geometry and the extent intersect.\n */\n Geometry.prototype.intersectsExtent = function intersectsExtent (extent) {\n return abstract();\n };\n\n /**\n * Translate the geometry. This modifies the geometry coordinates in place. If\n * instead you want a new geometry, first `clone()` this geometry.\n * @abstract\n * @param {number} deltaX Delta X.\n * @param {number} deltaY Delta Y.\n * @api\n */\n Geometry.prototype.translate = function translate (deltaX, deltaY) {\n abstract();\n };\n\n /**\n * Transform each coordinate of the geometry from one coordinate reference\n * system to another. The geometry is modified in place.\n * For example, a line will be transformed to a line and a circle to a circle.\n * If you do not want the geometry modified in place, first `clone()` it and\n * then use this function on the clone.\n *\n * @param {import(\"../proj.js\").ProjectionLike} source The current projection. Can be a\n * string identifier or a {@link module:ol/proj/Projection~Projection} object.\n * @param {import(\"../proj.js\").ProjectionLike} destination The desired projection. Can be a\n * string identifier or a {@link module:ol/proj/Projection~Projection} object.\n * @return {Geometry} This geometry. Note that original geometry is\n * modified in place.\n * @api\n */\n Geometry.prototype.transform = function transform (source, destination) {\n /** @type {import(\"../proj/Projection.js\").default} */\n var sourceProj = getProjection(source);\n var transformFn = sourceProj.getUnits() == Units.TILE_PIXELS ?\n function(inCoordinates, outCoordinates, stride) {\n var pixelExtent = sourceProj.getExtent();\n var projectedExtent = sourceProj.getWorldExtent();\n var scale = getHeight(projectedExtent) / getHeight(pixelExtent);\n composeTransform(tmpTransform,\n projectedExtent[0], projectedExtent[3],\n scale, -scale, 0,\n 0, 0);\n transform2D(inCoordinates, 0, inCoordinates.length, stride,\n tmpTransform, outCoordinates);\n return getTransform(sourceProj, destination)(inCoordinates, outCoordinates, stride);\n } :\n getTransform(sourceProj, destination);\n this.applyTransform(transformFn);\n return this;\n };\n\n return Geometry;\n}(BaseObject));\n\n\nexport default Geometry;\n\n//# sourceMappingURL=Geometry.js.map","/**\n * @module ol/geom/SimpleGeometry\n */\nimport {abstract} from '../util.js';\nimport {createOrUpdateFromFlatCoordinates, getCenter} from '../extent.js';\nimport Geometry from './Geometry.js';\nimport GeometryLayout from './GeometryLayout.js';\nimport {rotate, scale, translate, transform2D} from './flat/transform.js';\nimport {clear} from '../obj.js';\n\n/**\n * @classdesc\n * Abstract base class; only used for creating subclasses; do not instantiate\n * in apps, as cannot be rendered.\n *\n * @abstract\n * @api\n */\nvar SimpleGeometry = /*@__PURE__*/(function (Geometry) {\n function SimpleGeometry() {\n\n Geometry.call(this);\n\n /**\n * @protected\n * @type {GeometryLayout}\n */\n this.layout = GeometryLayout.XY;\n\n /**\n * @protected\n * @type {number}\n */\n this.stride = 2;\n\n /**\n * @protected\n * @type {Array}\n */\n this.flatCoordinates = null;\n\n }\n\n if ( Geometry ) SimpleGeometry.__proto__ = Geometry;\n SimpleGeometry.prototype = Object.create( Geometry && Geometry.prototype );\n SimpleGeometry.prototype.constructor = SimpleGeometry;\n\n /**\n * @inheritDoc\n */\n SimpleGeometry.prototype.computeExtent = function computeExtent (extent) {\n return createOrUpdateFromFlatCoordinates(this.flatCoordinates,\n 0, this.flatCoordinates.length, this.stride, extent);\n };\n\n /**\n * @abstract\n * @return {Array} Coordinates.\n */\n SimpleGeometry.prototype.getCoordinates = function getCoordinates () {\n return abstract();\n };\n\n /**\n * Return the first coordinate of the geometry.\n * @return {import(\"../coordinate.js\").Coordinate} First coordinate.\n * @api\n */\n SimpleGeometry.prototype.getFirstCoordinate = function getFirstCoordinate () {\n return this.flatCoordinates.slice(0, this.stride);\n };\n\n /**\n * @return {Array} Flat coordinates.\n */\n SimpleGeometry.prototype.getFlatCoordinates = function getFlatCoordinates () {\n return this.flatCoordinates;\n };\n\n /**\n * Return the last coordinate of the geometry.\n * @return {import(\"../coordinate.js\").Coordinate} Last point.\n * @api\n */\n SimpleGeometry.prototype.getLastCoordinate = function getLastCoordinate () {\n return this.flatCoordinates.slice(this.flatCoordinates.length - this.stride);\n };\n\n /**\n * Return the {@link module:ol/geom/GeometryLayout layout} of the geometry.\n * @return {GeometryLayout} Layout.\n * @api\n */\n SimpleGeometry.prototype.getLayout = function getLayout () {\n return this.layout;\n };\n\n /**\n * @inheritDoc\n */\n SimpleGeometry.prototype.getSimplifiedGeometry = function getSimplifiedGeometry (squaredTolerance) {\n if (this.simplifiedGeometryRevision != this.getRevision()) {\n clear(this.simplifiedGeometryCache);\n this.simplifiedGeometryMaxMinSquaredTolerance = 0;\n this.simplifiedGeometryRevision = this.getRevision();\n }\n // If squaredTolerance is negative or if we know that simplification will not\n // have any effect then just return this.\n if (squaredTolerance < 0 ||\n (this.simplifiedGeometryMaxMinSquaredTolerance !== 0 &&\n squaredTolerance <= this.simplifiedGeometryMaxMinSquaredTolerance)) {\n return this;\n }\n var key = squaredTolerance.toString();\n if (this.simplifiedGeometryCache.hasOwnProperty(key)) {\n return this.simplifiedGeometryCache[key];\n } else {\n var simplifiedGeometry =\n this.getSimplifiedGeometryInternal(squaredTolerance);\n var simplifiedFlatCoordinates = simplifiedGeometry.getFlatCoordinates();\n if (simplifiedFlatCoordinates.length < this.flatCoordinates.length) {\n this.simplifiedGeometryCache[key] = simplifiedGeometry;\n return simplifiedGeometry;\n } else {\n // Simplification did not actually remove any coordinates. We now know\n // that any calls to getSimplifiedGeometry with a squaredTolerance less\n // than or equal to the current squaredTolerance will also not have any\n // effect. This allows us to short circuit simplification (saving CPU\n // cycles) and prevents the cache of simplified geometries from filling\n // up with useless identical copies of this geometry (saving memory).\n this.simplifiedGeometryMaxMinSquaredTolerance = squaredTolerance;\n return this;\n }\n }\n };\n\n /**\n * @param {number} squaredTolerance Squared tolerance.\n * @return {SimpleGeometry} Simplified geometry.\n * @protected\n */\n SimpleGeometry.prototype.getSimplifiedGeometryInternal = function getSimplifiedGeometryInternal (squaredTolerance) {\n return this;\n };\n\n /**\n * @return {number} Stride.\n */\n SimpleGeometry.prototype.getStride = function getStride () {\n return this.stride;\n };\n\n /**\n * @param {GeometryLayout} layout Layout.\n * @param {Array} flatCoordinates Flat coordinates.\n */\n SimpleGeometry.prototype.setFlatCoordinates = function setFlatCoordinates (layout, flatCoordinates) {\n this.stride = getStrideForLayout(layout);\n this.layout = layout;\n this.flatCoordinates = flatCoordinates;\n };\n\n /**\n * @abstract\n * @param {!Array} coordinates Coordinates.\n * @param {GeometryLayout=} opt_layout Layout.\n */\n SimpleGeometry.prototype.setCoordinates = function setCoordinates (coordinates, opt_layout) {\n abstract();\n };\n\n /**\n * @param {GeometryLayout|undefined} layout Layout.\n * @param {Array} coordinates Coordinates.\n * @param {number} nesting Nesting.\n * @protected\n */\n SimpleGeometry.prototype.setLayout = function setLayout (layout, coordinates, nesting) {\n /** @type {number} */\n var stride;\n if (layout) {\n stride = getStrideForLayout(layout);\n } else {\n for (var i = 0; i < nesting; ++i) {\n if (coordinates.length === 0) {\n this.layout = GeometryLayout.XY;\n this.stride = 2;\n return;\n } else {\n coordinates = /** @type {Array} */ (coordinates[0]);\n }\n }\n stride = coordinates.length;\n layout = getLayoutForStride(stride);\n }\n this.layout = layout;\n this.stride = stride;\n };\n\n /**\n * @inheritDoc\n * @api\n */\n SimpleGeometry.prototype.applyTransform = function applyTransform (transformFn) {\n if (this.flatCoordinates) {\n transformFn(this.flatCoordinates, this.flatCoordinates, this.stride);\n this.changed();\n }\n };\n\n /**\n * @inheritDoc\n * @api\n */\n SimpleGeometry.prototype.rotate = function rotate$1 (angle, anchor) {\n var flatCoordinates = this.getFlatCoordinates();\n if (flatCoordinates) {\n var stride = this.getStride();\n rotate(\n flatCoordinates, 0, flatCoordinates.length,\n stride, angle, anchor, flatCoordinates);\n this.changed();\n }\n };\n\n /**\n * @inheritDoc\n * @api\n */\n SimpleGeometry.prototype.scale = function scale$1 (sx, opt_sy, opt_anchor) {\n var sy = opt_sy;\n if (sy === undefined) {\n sy = sx;\n }\n var anchor = opt_anchor;\n if (!anchor) {\n anchor = getCenter(this.getExtent());\n }\n var flatCoordinates = this.getFlatCoordinates();\n if (flatCoordinates) {\n var stride = this.getStride();\n scale(\n flatCoordinates, 0, flatCoordinates.length,\n stride, sx, sy, anchor, flatCoordinates);\n this.changed();\n }\n };\n\n /**\n * @inheritDoc\n * @api\n */\n SimpleGeometry.prototype.translate = function translate$1 (deltaX, deltaY) {\n var flatCoordinates = this.getFlatCoordinates();\n if (flatCoordinates) {\n var stride = this.getStride();\n translate(\n flatCoordinates, 0, flatCoordinates.length, stride,\n deltaX, deltaY, flatCoordinates);\n this.changed();\n }\n };\n\n return SimpleGeometry;\n}(Geometry));\n\n\n/**\n * @param {number} stride Stride.\n * @return {GeometryLayout} layout Layout.\n */\nfunction getLayoutForStride(stride) {\n var layout;\n if (stride == 2) {\n layout = GeometryLayout.XY;\n } else if (stride == 3) {\n layout = GeometryLayout.XYZ;\n } else if (stride == 4) {\n layout = GeometryLayout.XYZM;\n }\n return (\n /** @type {GeometryLayout} */ (layout)\n );\n}\n\n\n/**\n * @param {GeometryLayout} layout Layout.\n * @return {number} Stride.\n */\nexport function getStrideForLayout(layout) {\n var stride;\n if (layout == GeometryLayout.XY) {\n stride = 2;\n } else if (layout == GeometryLayout.XYZ || layout == GeometryLayout.XYM) {\n stride = 3;\n } else if (layout == GeometryLayout.XYZM) {\n stride = 4;\n }\n return /** @type {number} */ (stride);\n}\n\n\n/**\n * @param {SimpleGeometry} simpleGeometry Simple geometry.\n * @param {import(\"../transform.js\").Transform} transform Transform.\n * @param {Array=} opt_dest Destination.\n * @return {Array} Transformed flat coordinates.\n */\nexport function transformGeom2D(simpleGeometry, transform, opt_dest) {\n var flatCoordinates = simpleGeometry.getFlatCoordinates();\n if (!flatCoordinates) {\n return null;\n } else {\n var stride = simpleGeometry.getStride();\n return transform2D(\n flatCoordinates, 0, flatCoordinates.length, stride,\n transform, opt_dest);\n }\n}\n\nexport default SimpleGeometry;\n\n//# sourceMappingURL=SimpleGeometry.js.map","/**\n * @module ol/MapEventType\n */\n\n/**\n * @enum {string}\n */\nexport default {\n\n /**\n * Triggered after a map frame is rendered.\n * @event module:ol/MapEvent~MapEvent#postrender\n * @api\n */\n POSTRENDER: 'postrender',\n\n /**\n * Triggered when the map starts moving.\n * @event module:ol/MapEvent~MapEvent#movestart\n * @api\n */\n MOVESTART: 'movestart',\n\n /**\n * Triggered after the map is moved.\n * @event module:ol/MapEvent~MapEvent#moveend\n * @api\n */\n MOVEEND: 'moveend'\n\n};\n\n//# sourceMappingURL=MapEventType.js.map","/**\n * @module ol/geom/flat/inflate\n */\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {Array=} opt_coordinates Coordinates.\n * @return {Array} Coordinates.\n */\nexport function inflateCoordinates(flatCoordinates, offset, end, stride, opt_coordinates) {\n var coordinates = opt_coordinates !== undefined ? opt_coordinates : [];\n var i = 0;\n for (var j = offset; j < end; j += stride) {\n coordinates[i++] = flatCoordinates.slice(j, j + stride);\n }\n coordinates.length = i;\n return coordinates;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array} ends Ends.\n * @param {number} stride Stride.\n * @param {Array>=} opt_coordinatess Coordinatess.\n * @return {Array>} Coordinatess.\n */\nexport function inflateCoordinatesArray(flatCoordinates, offset, ends, stride, opt_coordinatess) {\n var coordinatess = opt_coordinatess !== undefined ? opt_coordinatess : [];\n var i = 0;\n for (var j = 0, jj = ends.length; j < jj; ++j) {\n var end = ends[j];\n coordinatess[i++] = inflateCoordinates(\n flatCoordinates, offset, end, stride, coordinatess[i]);\n offset = end;\n }\n coordinatess.length = i;\n return coordinatess;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array>} endss Endss.\n * @param {number} stride Stride.\n * @param {Array>>=} opt_coordinatesss\n * Coordinatesss.\n * @return {Array>>} Coordinatesss.\n */\nexport function inflateMultiCoordinatesArray(flatCoordinates, offset, endss, stride, opt_coordinatesss) {\n var coordinatesss = opt_coordinatesss !== undefined ? opt_coordinatesss : [];\n var i = 0;\n for (var j = 0, jj = endss.length; j < jj; ++j) {\n var ends = endss[j];\n coordinatesss[i++] = inflateCoordinatesArray(\n flatCoordinates, offset, ends, stride, coordinatesss[i]);\n offset = ends[ends.length - 1];\n }\n coordinatesss.length = i;\n return coordinatesss;\n}\n\n//# sourceMappingURL=inflate.js.map","/**\n * @module ol/rotationconstraint\n */\nimport {toRadians} from './math.js';\n\n\n/**\n * @typedef {function((number|undefined), number): (number|undefined)} Type\n */\n\n\n/**\n * @param {number|undefined} rotation Rotation.\n * @param {number} delta Delta.\n * @return {number|undefined} Rotation.\n */\nexport function disable(rotation, delta) {\n if (rotation !== undefined) {\n return 0;\n } else {\n return undefined;\n }\n}\n\n\n/**\n * @param {number|undefined} rotation Rotation.\n * @param {number} delta Delta.\n * @return {number|undefined} Rotation.\n */\nexport function none(rotation, delta) {\n if (rotation !== undefined) {\n return rotation + delta;\n } else {\n return undefined;\n }\n}\n\n\n/**\n * @param {number} n N.\n * @return {Type} Rotation constraint.\n */\nexport function createSnapToN(n) {\n var theta = 2 * Math.PI / n;\n return (\n /**\n * @param {number|undefined} rotation Rotation.\n * @param {number} delta Delta.\n * @return {number|undefined} Rotation.\n */\n function(rotation, delta) {\n if (rotation !== undefined) {\n rotation = Math.floor((rotation + delta) / theta + 0.5) * theta;\n return rotation;\n } else {\n return undefined;\n }\n });\n}\n\n\n/**\n * @param {number=} opt_tolerance Tolerance.\n * @return {Type} Rotation constraint.\n */\nexport function createSnapToZero(opt_tolerance) {\n var tolerance = opt_tolerance || toRadians(5);\n return (\n /**\n * @param {number|undefined} rotation Rotation.\n * @param {number} delta Delta.\n * @return {number|undefined} Rotation.\n */\n function(rotation, delta) {\n if (rotation !== undefined) {\n if (Math.abs(rotation + delta) <= tolerance) {\n return 0;\n } else {\n return rotation + delta;\n }\n } else {\n return undefined;\n }\n });\n}\n\n//# sourceMappingURL=rotationconstraint.js.map","/**\n * @module ol/geom/flat/contains\n */\nimport {forEachCorner} from '../../extent.js';\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {import(\"../../extent.js\").Extent} extent Extent.\n * @return {boolean} Contains extent.\n */\nexport function linearRingContainsExtent(flatCoordinates, offset, end, stride, extent) {\n var outside = forEachCorner(extent,\n /**\n * @param {import(\"../../coordinate.js\").Coordinate} coordinate Coordinate.\n * @return {boolean} Contains (x, y).\n */\n function(coordinate) {\n return !linearRingContainsXY(flatCoordinates, offset, end, stride, coordinate[0], coordinate[1]);\n });\n return !outside;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {number} x X.\n * @param {number} y Y.\n * @return {boolean} Contains (x, y).\n */\nexport function linearRingContainsXY(flatCoordinates, offset, end, stride, x, y) {\n // http://geomalgorithms.com/a03-_inclusion.html\n // Copyright 2000 softSurfer, 2012 Dan Sunday\n // This code may be freely used and modified for any purpose\n // providing that this copyright notice is included with it.\n // SoftSurfer makes no warranty for this code, and cannot be held\n // liable for any real or imagined damage resulting from its use.\n // Users of this code must verify correctness for their application.\n var wn = 0;\n var x1 = flatCoordinates[end - stride];\n var y1 = flatCoordinates[end - stride + 1];\n for (; offset < end; offset += stride) {\n var x2 = flatCoordinates[offset];\n var y2 = flatCoordinates[offset + 1];\n if (y1 <= y) {\n if (y2 > y && ((x2 - x1) * (y - y1)) - ((x - x1) * (y2 - y1)) > 0) {\n wn++;\n }\n } else if (y2 <= y && ((x2 - x1) * (y - y1)) - ((x - x1) * (y2 - y1)) < 0) {\n wn--;\n }\n x1 = x2;\n y1 = y2;\n }\n return wn !== 0;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array} ends Ends.\n * @param {number} stride Stride.\n * @param {number} x X.\n * @param {number} y Y.\n * @return {boolean} Contains (x, y).\n */\nexport function linearRingsContainsXY(flatCoordinates, offset, ends, stride, x, y) {\n if (ends.length === 0) {\n return false;\n }\n if (!linearRingContainsXY(flatCoordinates, offset, ends[0], stride, x, y)) {\n return false;\n }\n for (var i = 1, ii = ends.length; i < ii; ++i) {\n if (linearRingContainsXY(flatCoordinates, ends[i - 1], ends[i], stride, x, y)) {\n return false;\n }\n }\n return true;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array>} endss Endss.\n * @param {number} stride Stride.\n * @param {number} x X.\n * @param {number} y Y.\n * @return {boolean} Contains (x, y).\n */\nexport function linearRingssContainsXY(flatCoordinates, offset, endss, stride, x, y) {\n if (endss.length === 0) {\n return false;\n }\n for (var i = 0, ii = endss.length; i < ii; ++i) {\n var ends = endss[i];\n if (linearRingsContainsXY(flatCoordinates, offset, ends, stride, x, y)) {\n return true;\n }\n offset = ends[ends.length - 1];\n }\n return false;\n}\n\n//# sourceMappingURL=contains.js.map","/**\n * @module ol/geom/flat/closest\n */\nimport {lerp, squaredDistance as squaredDx} from '../../math.js';\n\n\n/**\n * Returns the point on the 2D line segment flatCoordinates[offset1] to\n * flatCoordinates[offset2] that is closest to the point (x, y). Extra\n * dimensions are linearly interpolated.\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset1 Offset 1.\n * @param {number} offset2 Offset 2.\n * @param {number} stride Stride.\n * @param {number} x X.\n * @param {number} y Y.\n * @param {Array} closestPoint Closest point.\n */\nfunction assignClosest(flatCoordinates, offset1, offset2, stride, x, y, closestPoint) {\n var x1 = flatCoordinates[offset1];\n var y1 = flatCoordinates[offset1 + 1];\n var dx = flatCoordinates[offset2] - x1;\n var dy = flatCoordinates[offset2 + 1] - y1;\n var offset;\n if (dx === 0 && dy === 0) {\n offset = offset1;\n } else {\n var t = ((x - x1) * dx + (y - y1) * dy) / (dx * dx + dy * dy);\n if (t > 1) {\n offset = offset2;\n } else if (t > 0) {\n for (var i = 0; i < stride; ++i) {\n closestPoint[i] = lerp(flatCoordinates[offset1 + i],\n flatCoordinates[offset2 + i], t);\n }\n closestPoint.length = stride;\n return;\n } else {\n offset = offset1;\n }\n }\n for (var i$1 = 0; i$1 < stride; ++i$1) {\n closestPoint[i$1] = flatCoordinates[offset + i$1];\n }\n closestPoint.length = stride;\n}\n\n\n/**\n * Return the squared of the largest distance between any pair of consecutive\n * coordinates.\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {number} max Max squared delta.\n * @return {number} Max squared delta.\n */\nexport function maxSquaredDelta(flatCoordinates, offset, end, stride, max) {\n var x1 = flatCoordinates[offset];\n var y1 = flatCoordinates[offset + 1];\n for (offset += stride; offset < end; offset += stride) {\n var x2 = flatCoordinates[offset];\n var y2 = flatCoordinates[offset + 1];\n var squaredDelta = squaredDx(x1, y1, x2, y2);\n if (squaredDelta > max) {\n max = squaredDelta;\n }\n x1 = x2;\n y1 = y2;\n }\n return max;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array} ends Ends.\n * @param {number} stride Stride.\n * @param {number} max Max squared delta.\n * @return {number} Max squared delta.\n */\nexport function arrayMaxSquaredDelta(flatCoordinates, offset, ends, stride, max) {\n for (var i = 0, ii = ends.length; i < ii; ++i) {\n var end = ends[i];\n max = maxSquaredDelta(\n flatCoordinates, offset, end, stride, max);\n offset = end;\n }\n return max;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array>} endss Endss.\n * @param {number} stride Stride.\n * @param {number} max Max squared delta.\n * @return {number} Max squared delta.\n */\nexport function multiArrayMaxSquaredDelta(flatCoordinates, offset, endss, stride, max) {\n for (var i = 0, ii = endss.length; i < ii; ++i) {\n var ends = endss[i];\n max = arrayMaxSquaredDelta(\n flatCoordinates, offset, ends, stride, max);\n offset = ends[ends.length - 1];\n }\n return max;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {number} maxDelta Max delta.\n * @param {boolean} isRing Is ring.\n * @param {number} x X.\n * @param {number} y Y.\n * @param {Array} closestPoint Closest point.\n * @param {number} minSquaredDistance Minimum squared distance.\n * @param {Array=} opt_tmpPoint Temporary point object.\n * @return {number} Minimum squared distance.\n */\nexport function assignClosestPoint(flatCoordinates, offset, end,\n stride, maxDelta, isRing, x, y, closestPoint, minSquaredDistance,\n opt_tmpPoint) {\n if (offset == end) {\n return minSquaredDistance;\n }\n var i, squaredDistance;\n if (maxDelta === 0) {\n // All points are identical, so just test the first point.\n squaredDistance = squaredDx(\n x, y, flatCoordinates[offset], flatCoordinates[offset + 1]);\n if (squaredDistance < minSquaredDistance) {\n for (i = 0; i < stride; ++i) {\n closestPoint[i] = flatCoordinates[offset + i];\n }\n closestPoint.length = stride;\n return squaredDistance;\n } else {\n return minSquaredDistance;\n }\n }\n var tmpPoint = opt_tmpPoint ? opt_tmpPoint : [NaN, NaN];\n var index = offset + stride;\n while (index < end) {\n assignClosest(\n flatCoordinates, index - stride, index, stride, x, y, tmpPoint);\n squaredDistance = squaredDx(x, y, tmpPoint[0], tmpPoint[1]);\n if (squaredDistance < minSquaredDistance) {\n minSquaredDistance = squaredDistance;\n for (i = 0; i < stride; ++i) {\n closestPoint[i] = tmpPoint[i];\n }\n closestPoint.length = stride;\n index += stride;\n } else {\n // Skip ahead multiple points, because we know that all the skipped\n // points cannot be any closer than the closest point we have found so\n // far. We know this because we know how close the current point is, how\n // close the closest point we have found so far is, and the maximum\n // distance between consecutive points. For example, if we're currently\n // at distance 10, the best we've found so far is 3, and that the maximum\n // distance between consecutive points is 2, then we'll need to skip at\n // least (10 - 3) / 2 == 3 (rounded down) points to have any chance of\n // finding a closer point. We use Math.max(..., 1) to ensure that we\n // always advance at least one point, to avoid an infinite loop.\n index += stride * Math.max(\n ((Math.sqrt(squaredDistance) -\n Math.sqrt(minSquaredDistance)) / maxDelta) | 0, 1);\n }\n }\n if (isRing) {\n // Check the closing segment.\n assignClosest(\n flatCoordinates, end - stride, offset, stride, x, y, tmpPoint);\n squaredDistance = squaredDx(x, y, tmpPoint[0], tmpPoint[1]);\n if (squaredDistance < minSquaredDistance) {\n minSquaredDistance = squaredDistance;\n for (i = 0; i < stride; ++i) {\n closestPoint[i] = tmpPoint[i];\n }\n closestPoint.length = stride;\n }\n }\n return minSquaredDistance;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array} ends Ends.\n * @param {number} stride Stride.\n * @param {number} maxDelta Max delta.\n * @param {boolean} isRing Is ring.\n * @param {number} x X.\n * @param {number} y Y.\n * @param {Array} closestPoint Closest point.\n * @param {number} minSquaredDistance Minimum squared distance.\n * @param {Array=} opt_tmpPoint Temporary point object.\n * @return {number} Minimum squared distance.\n */\nexport function assignClosestArrayPoint(flatCoordinates, offset, ends,\n stride, maxDelta, isRing, x, y, closestPoint, minSquaredDistance,\n opt_tmpPoint) {\n var tmpPoint = opt_tmpPoint ? opt_tmpPoint : [NaN, NaN];\n for (var i = 0, ii = ends.length; i < ii; ++i) {\n var end = ends[i];\n minSquaredDistance = assignClosestPoint(\n flatCoordinates, offset, end, stride,\n maxDelta, isRing, x, y, closestPoint, minSquaredDistance, tmpPoint);\n offset = end;\n }\n return minSquaredDistance;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array>} endss Endss.\n * @param {number} stride Stride.\n * @param {number} maxDelta Max delta.\n * @param {boolean} isRing Is ring.\n * @param {number} x X.\n * @param {number} y Y.\n * @param {Array} closestPoint Closest point.\n * @param {number} minSquaredDistance Minimum squared distance.\n * @param {Array=} opt_tmpPoint Temporary point object.\n * @return {number} Minimum squared distance.\n */\nexport function assignClosestMultiArrayPoint(flatCoordinates, offset,\n endss, stride, maxDelta, isRing, x, y, closestPoint, minSquaredDistance,\n opt_tmpPoint) {\n var tmpPoint = opt_tmpPoint ? opt_tmpPoint : [NaN, NaN];\n for (var i = 0, ii = endss.length; i < ii; ++i) {\n var ends = endss[i];\n minSquaredDistance = assignClosestArrayPoint(\n flatCoordinates, offset, ends, stride,\n maxDelta, isRing, x, y, closestPoint, minSquaredDistance, tmpPoint);\n offset = ends[ends.length - 1];\n }\n return minSquaredDistance;\n}\n\n//# sourceMappingURL=closest.js.map","/**\n * @module ol/geom/flat/deflate\n */\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {import(\"../../coordinate.js\").Coordinate} coordinate Coordinate.\n * @param {number} stride Stride.\n * @return {number} offset Offset.\n */\nexport function deflateCoordinate(flatCoordinates, offset, coordinate, stride) {\n for (var i = 0, ii = coordinate.length; i < ii; ++i) {\n flatCoordinates[offset++] = coordinate[i];\n }\n return offset;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array} coordinates Coordinates.\n * @param {number} stride Stride.\n * @return {number} offset Offset.\n */\nexport function deflateCoordinates(flatCoordinates, offset, coordinates, stride) {\n for (var i = 0, ii = coordinates.length; i < ii; ++i) {\n var coordinate = coordinates[i];\n for (var j = 0; j < stride; ++j) {\n flatCoordinates[offset++] = coordinate[j];\n }\n }\n return offset;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array>} coordinatess Coordinatess.\n * @param {number} stride Stride.\n * @param {Array=} opt_ends Ends.\n * @return {Array} Ends.\n */\nexport function deflateCoordinatesArray(flatCoordinates, offset, coordinatess, stride, opt_ends) {\n var ends = opt_ends ? opt_ends : [];\n var i = 0;\n for (var j = 0, jj = coordinatess.length; j < jj; ++j) {\n var end = deflateCoordinates(\n flatCoordinates, offset, coordinatess[j], stride);\n ends[i++] = end;\n offset = end;\n }\n ends.length = i;\n return ends;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array>>} coordinatesss Coordinatesss.\n * @param {number} stride Stride.\n * @param {Array>=} opt_endss Endss.\n * @return {Array>} Endss.\n */\nexport function deflateMultiCoordinatesArray(flatCoordinates, offset, coordinatesss, stride, opt_endss) {\n var endss = opt_endss ? opt_endss : [];\n var i = 0;\n for (var j = 0, jj = coordinatesss.length; j < jj; ++j) {\n var ends = deflateCoordinatesArray(\n flatCoordinates, offset, coordinatesss[j], stride, endss[i]);\n endss[i++] = ends;\n offset = ends[ends.length - 1];\n }\n endss.length = i;\n return endss;\n}\n\n//# sourceMappingURL=deflate.js.map","/**\n * @module ol/geom/flat/simplify\n */\n// Based on simplify-js https://github.com/mourner/simplify-js\n// Copyright (c) 2012, Vladimir Agafonkin\n// All rights reserved.\n//\n// Redistribution and use in source and binary forms, with or without\n// modification, are permitted provided that the following conditions are met:\n//\n// 1. Redistributions of source code must retain the above copyright notice,\n// this list of conditions and the following disclaimer.\n//\n// 2. Redistributions in binary form must reproduce the above copyright\n// notice, this list of conditions and the following disclaimer in the\n// documentation and/or other materials provided with the distribution.\n//\n// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\"\n// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\n// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\n// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE\n// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\n// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\n// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n// POSSIBILITY OF SUCH DAMAGE.\n\nimport {squaredSegmentDistance, squaredDistance} from '../../math.js';\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {number} squaredTolerance Squared tolerance.\n * @param {boolean} highQuality Highest quality.\n * @param {Array=} opt_simplifiedFlatCoordinates Simplified flat\n * coordinates.\n * @return {Array} Simplified line string.\n */\nexport function simplifyLineString(flatCoordinates, offset, end,\n stride, squaredTolerance, highQuality, opt_simplifiedFlatCoordinates) {\n var simplifiedFlatCoordinates = opt_simplifiedFlatCoordinates !== undefined ?\n opt_simplifiedFlatCoordinates : [];\n if (!highQuality) {\n end = radialDistance(flatCoordinates, offset, end,\n stride, squaredTolerance,\n simplifiedFlatCoordinates, 0);\n flatCoordinates = simplifiedFlatCoordinates;\n offset = 0;\n stride = 2;\n }\n simplifiedFlatCoordinates.length = douglasPeucker(\n flatCoordinates, offset, end, stride, squaredTolerance,\n simplifiedFlatCoordinates, 0);\n return simplifiedFlatCoordinates;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {number} squaredTolerance Squared tolerance.\n * @param {Array} simplifiedFlatCoordinates Simplified flat\n * coordinates.\n * @param {number} simplifiedOffset Simplified offset.\n * @return {number} Simplified offset.\n */\nexport function douglasPeucker(flatCoordinates, offset, end,\n stride, squaredTolerance, simplifiedFlatCoordinates, simplifiedOffset) {\n var n = (end - offset) / stride;\n if (n < 3) {\n for (; offset < end; offset += stride) {\n simplifiedFlatCoordinates[simplifiedOffset++] =\n flatCoordinates[offset];\n simplifiedFlatCoordinates[simplifiedOffset++] =\n flatCoordinates[offset + 1];\n }\n return simplifiedOffset;\n }\n /** @type {Array} */\n var markers = new Array(n);\n markers[0] = 1;\n markers[n - 1] = 1;\n /** @type {Array} */\n var stack = [offset, end - stride];\n var index = 0;\n while (stack.length > 0) {\n var last = stack.pop();\n var first = stack.pop();\n var maxSquaredDistance = 0;\n var x1 = flatCoordinates[first];\n var y1 = flatCoordinates[first + 1];\n var x2 = flatCoordinates[last];\n var y2 = flatCoordinates[last + 1];\n for (var i = first + stride; i < last; i += stride) {\n var x = flatCoordinates[i];\n var y = flatCoordinates[i + 1];\n var squaredDistance = squaredSegmentDistance(\n x, y, x1, y1, x2, y2);\n if (squaredDistance > maxSquaredDistance) {\n index = i;\n maxSquaredDistance = squaredDistance;\n }\n }\n if (maxSquaredDistance > squaredTolerance) {\n markers[(index - offset) / stride] = 1;\n if (first + stride < index) {\n stack.push(first, index);\n }\n if (index + stride < last) {\n stack.push(index, last);\n }\n }\n }\n for (var i$1 = 0; i$1 < n; ++i$1) {\n if (markers[i$1]) {\n simplifiedFlatCoordinates[simplifiedOffset++] =\n flatCoordinates[offset + i$1 * stride];\n simplifiedFlatCoordinates[simplifiedOffset++] =\n flatCoordinates[offset + i$1 * stride + 1];\n }\n }\n return simplifiedOffset;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array} ends Ends.\n * @param {number} stride Stride.\n * @param {number} squaredTolerance Squared tolerance.\n * @param {Array} simplifiedFlatCoordinates Simplified flat\n * coordinates.\n * @param {number} simplifiedOffset Simplified offset.\n * @param {Array} simplifiedEnds Simplified ends.\n * @return {number} Simplified offset.\n */\nexport function douglasPeuckerArray(flatCoordinates, offset,\n ends, stride, squaredTolerance, simplifiedFlatCoordinates,\n simplifiedOffset, simplifiedEnds) {\n for (var i = 0, ii = ends.length; i < ii; ++i) {\n var end = ends[i];\n simplifiedOffset = douglasPeucker(\n flatCoordinates, offset, end, stride, squaredTolerance,\n simplifiedFlatCoordinates, simplifiedOffset);\n simplifiedEnds.push(simplifiedOffset);\n offset = end;\n }\n return simplifiedOffset;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array>} endss Endss.\n * @param {number} stride Stride.\n * @param {number} squaredTolerance Squared tolerance.\n * @param {Array} simplifiedFlatCoordinates Simplified flat\n * coordinates.\n * @param {number} simplifiedOffset Simplified offset.\n * @param {Array>} simplifiedEndss Simplified endss.\n * @return {number} Simplified offset.\n */\nexport function douglasPeuckerMultiArray(\n flatCoordinates, offset, endss, stride, squaredTolerance,\n simplifiedFlatCoordinates, simplifiedOffset, simplifiedEndss) {\n for (var i = 0, ii = endss.length; i < ii; ++i) {\n var ends = endss[i];\n var simplifiedEnds = [];\n simplifiedOffset = douglasPeuckerArray(\n flatCoordinates, offset, ends, stride, squaredTolerance,\n simplifiedFlatCoordinates, simplifiedOffset, simplifiedEnds);\n simplifiedEndss.push(simplifiedEnds);\n offset = ends[ends.length - 1];\n }\n return simplifiedOffset;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {number} squaredTolerance Squared tolerance.\n * @param {Array} simplifiedFlatCoordinates Simplified flat\n * coordinates.\n * @param {number} simplifiedOffset Simplified offset.\n * @return {number} Simplified offset.\n */\nexport function radialDistance(flatCoordinates, offset, end,\n stride, squaredTolerance, simplifiedFlatCoordinates, simplifiedOffset) {\n if (end <= offset + stride) {\n // zero or one point, no simplification possible, so copy and return\n for (; offset < end; offset += stride) {\n simplifiedFlatCoordinates[simplifiedOffset++] = flatCoordinates[offset];\n simplifiedFlatCoordinates[simplifiedOffset++] =\n flatCoordinates[offset + 1];\n }\n return simplifiedOffset;\n }\n var x1 = flatCoordinates[offset];\n var y1 = flatCoordinates[offset + 1];\n // copy first point\n simplifiedFlatCoordinates[simplifiedOffset++] = x1;\n simplifiedFlatCoordinates[simplifiedOffset++] = y1;\n var x2 = x1;\n var y2 = y1;\n for (offset += stride; offset < end; offset += stride) {\n x2 = flatCoordinates[offset];\n y2 = flatCoordinates[offset + 1];\n if (squaredDistance(x1, y1, x2, y2) > squaredTolerance) {\n // copy point at offset\n simplifiedFlatCoordinates[simplifiedOffset++] = x2;\n simplifiedFlatCoordinates[simplifiedOffset++] = y2;\n x1 = x2;\n y1 = y2;\n }\n }\n if (x2 != x1 || y2 != y1) {\n // copy last point\n simplifiedFlatCoordinates[simplifiedOffset++] = x2;\n simplifiedFlatCoordinates[simplifiedOffset++] = y2;\n }\n return simplifiedOffset;\n}\n\n\n/**\n * @param {number} value Value.\n * @param {number} tolerance Tolerance.\n * @return {number} Rounded value.\n */\nexport function snap(value, tolerance) {\n return tolerance * Math.round(value / tolerance);\n}\n\n\n/**\n * Simplifies a line string using an algorithm designed by Tim Schaub.\n * Coordinates are snapped to the nearest value in a virtual grid and\n * consecutive duplicate coordinates are discarded. This effectively preserves\n * topology as the simplification of any subsection of a line string is\n * independent of the rest of the line string. This means that, for examples,\n * the common edge between two polygons will be simplified to the same line\n * string independently in both polygons. This implementation uses a single\n * pass over the coordinates and eliminates intermediate collinear points.\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {number} tolerance Tolerance.\n * @param {Array} simplifiedFlatCoordinates Simplified flat\n * coordinates.\n * @param {number} simplifiedOffset Simplified offset.\n * @return {number} Simplified offset.\n */\nexport function quantize(flatCoordinates, offset, end, stride,\n tolerance, simplifiedFlatCoordinates, simplifiedOffset) {\n // do nothing if the line is empty\n if (offset == end) {\n return simplifiedOffset;\n }\n // snap the first coordinate (P1)\n var x1 = snap(flatCoordinates[offset], tolerance);\n var y1 = snap(flatCoordinates[offset + 1], tolerance);\n offset += stride;\n // add the first coordinate to the output\n simplifiedFlatCoordinates[simplifiedOffset++] = x1;\n simplifiedFlatCoordinates[simplifiedOffset++] = y1;\n // find the next coordinate that does not snap to the same value as the first\n // coordinate (P2)\n var x2, y2;\n do {\n x2 = snap(flatCoordinates[offset], tolerance);\n y2 = snap(flatCoordinates[offset + 1], tolerance);\n offset += stride;\n if (offset == end) {\n // all coordinates snap to the same value, the line collapses to a point\n // push the last snapped value anyway to ensure that the output contains\n // at least two points\n // FIXME should we really return at least two points anyway?\n simplifiedFlatCoordinates[simplifiedOffset++] = x2;\n simplifiedFlatCoordinates[simplifiedOffset++] = y2;\n return simplifiedOffset;\n }\n } while (x2 == x1 && y2 == y1);\n while (offset < end) {\n // snap the next coordinate (P3)\n var x3 = snap(flatCoordinates[offset], tolerance);\n var y3 = snap(flatCoordinates[offset + 1], tolerance);\n offset += stride;\n // skip P3 if it is equal to P2\n if (x3 == x2 && y3 == y2) {\n continue;\n }\n // calculate the delta between P1 and P2\n var dx1 = x2 - x1;\n var dy1 = y2 - y1;\n // calculate the delta between P3 and P1\n var dx2 = x3 - x1;\n var dy2 = y3 - y1;\n // if P1, P2, and P3 are colinear and P3 is further from P1 than P2 is from\n // P1 in the same direction then P2 is on the straight line between P1 and\n // P3\n if ((dx1 * dy2 == dy1 * dx2) &&\n ((dx1 < 0 && dx2 < dx1) || dx1 == dx2 || (dx1 > 0 && dx2 > dx1)) &&\n ((dy1 < 0 && dy2 < dy1) || dy1 == dy2 || (dy1 > 0 && dy2 > dy1))) {\n // discard P2 and set P2 = P3\n x2 = x3;\n y2 = y3;\n continue;\n }\n // either P1, P2, and P3 are not colinear, or they are colinear but P3 is\n // between P3 and P1 or on the opposite half of the line to P2. add P2,\n // and continue with P1 = P2 and P2 = P3\n simplifiedFlatCoordinates[simplifiedOffset++] = x2;\n simplifiedFlatCoordinates[simplifiedOffset++] = y2;\n x1 = x2;\n y1 = y2;\n x2 = x3;\n y2 = y3;\n }\n // add the last point (P2)\n simplifiedFlatCoordinates[simplifiedOffset++] = x2;\n simplifiedFlatCoordinates[simplifiedOffset++] = y2;\n return simplifiedOffset;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array} ends Ends.\n * @param {number} stride Stride.\n * @param {number} tolerance Tolerance.\n * @param {Array} simplifiedFlatCoordinates Simplified flat\n * coordinates.\n * @param {number} simplifiedOffset Simplified offset.\n * @param {Array} simplifiedEnds Simplified ends.\n * @return {number} Simplified offset.\n */\nexport function quantizeArray(\n flatCoordinates, offset, ends, stride,\n tolerance,\n simplifiedFlatCoordinates, simplifiedOffset, simplifiedEnds) {\n for (var i = 0, ii = ends.length; i < ii; ++i) {\n var end = ends[i];\n simplifiedOffset = quantize(\n flatCoordinates, offset, end, stride,\n tolerance,\n simplifiedFlatCoordinates, simplifiedOffset);\n simplifiedEnds.push(simplifiedOffset);\n offset = end;\n }\n return simplifiedOffset;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array>} endss Endss.\n * @param {number} stride Stride.\n * @param {number} tolerance Tolerance.\n * @param {Array} simplifiedFlatCoordinates Simplified flat\n * coordinates.\n * @param {number} simplifiedOffset Simplified offset.\n * @param {Array>} simplifiedEndss Simplified endss.\n * @return {number} Simplified offset.\n */\nexport function quantizeMultiArray(\n flatCoordinates, offset, endss, stride,\n tolerance,\n simplifiedFlatCoordinates, simplifiedOffset, simplifiedEndss) {\n for (var i = 0, ii = endss.length; i < ii; ++i) {\n var ends = endss[i];\n var simplifiedEnds = [];\n simplifiedOffset = quantizeArray(\n flatCoordinates, offset, ends, stride,\n tolerance,\n simplifiedFlatCoordinates, simplifiedOffset, simplifiedEnds);\n simplifiedEndss.push(simplifiedEnds);\n offset = ends[ends.length - 1];\n }\n return simplifiedOffset;\n}\n\n//# sourceMappingURL=simplify.js.map","/**\n * @module ol/tilegrid/common\n */\n\n/**\n * Default maximum zoom for default tile grids.\n * @type {number}\n */\nexport var DEFAULT_MAX_ZOOM = 42;\n\n/**\n * Default tile size.\n * @type {number}\n */\nexport var DEFAULT_TILE_SIZE = 256;\n\n//# sourceMappingURL=common.js.map","/**\n * @module ol/extent/Corner\n */\n\n/**\n * Extent corner.\n * @enum {string}\n */\nexport default {\n BOTTOM_LEFT: 'bottom-left',\n BOTTOM_RIGHT: 'bottom-right',\n TOP_LEFT: 'top-left',\n TOP_RIGHT: 'top-right'\n};\n\n//# sourceMappingURL=Corner.js.map","/**\n * @module ol/TileRange\n */\n\n/**\n * A representation of a contiguous block of tiles. A tile range is specified\n * by its min/max tile coordinates and is inclusive of coordinates.\n */\nvar TileRange = function TileRange(minX, maxX, minY, maxY) {\n\n /**\n * @type {number}\n */\n this.minX = minX;\n\n /**\n * @type {number}\n */\n this.maxX = maxX;\n\n /**\n * @type {number}\n */\n this.minY = minY;\n\n /**\n * @type {number}\n */\n this.maxY = maxY;\n\n};\n\n/**\n * @param {import(\"./tilecoord.js\").TileCoord} tileCoord Tile coordinate.\n * @return {boolean} Contains tile coordinate.\n */\nTileRange.prototype.contains = function contains (tileCoord) {\n return this.containsXY(tileCoord[1], tileCoord[2]);\n};\n\n/**\n * @param {TileRange} tileRange Tile range.\n * @return {boolean} Contains.\n */\nTileRange.prototype.containsTileRange = function containsTileRange (tileRange) {\n return this.minX <= tileRange.minX && tileRange.maxX <= this.maxX &&\n this.minY <= tileRange.minY && tileRange.maxY <= this.maxY;\n};\n\n/**\n * @param {number} x Tile coordinate x.\n * @param {number} y Tile coordinate y.\n * @return {boolean} Contains coordinate.\n */\nTileRange.prototype.containsXY = function containsXY (x, y) {\n return this.minX <= x && x <= this.maxX && this.minY <= y && y <= this.maxY;\n};\n\n/**\n * @param {TileRange} tileRange Tile range.\n * @return {boolean} Equals.\n */\nTileRange.prototype.equals = function equals (tileRange) {\n return this.minX == tileRange.minX && this.minY == tileRange.minY &&\n this.maxX == tileRange.maxX && this.maxY == tileRange.maxY;\n};\n\n/**\n * @param {TileRange} tileRange Tile range.\n */\nTileRange.prototype.extend = function extend (tileRange) {\n if (tileRange.minX < this.minX) {\n this.minX = tileRange.minX;\n }\n if (tileRange.maxX > this.maxX) {\n this.maxX = tileRange.maxX;\n }\n if (tileRange.minY < this.minY) {\n this.minY = tileRange.minY;\n }\n if (tileRange.maxY > this.maxY) {\n this.maxY = tileRange.maxY;\n }\n};\n\n/**\n * @return {number} Height.\n */\nTileRange.prototype.getHeight = function getHeight () {\n return this.maxY - this.minY + 1;\n};\n\n/**\n * @return {import(\"./size.js\").Size} Size.\n */\nTileRange.prototype.getSize = function getSize () {\n return [this.getWidth(), this.getHeight()];\n};\n\n/**\n * @return {number} Width.\n */\nTileRange.prototype.getWidth = function getWidth () {\n return this.maxX - this.minX + 1;\n};\n\n/**\n * @param {TileRange} tileRange Tile range.\n * @return {boolean} Intersects.\n */\nTileRange.prototype.intersects = function intersects (tileRange) {\n return this.minX <= tileRange.maxX &&\n this.maxX >= tileRange.minX &&\n this.minY <= tileRange.maxY &&\n this.maxY >= tileRange.minY;\n};\n\n\n/**\n * @param {number} minX Minimum X.\n * @param {number} maxX Maximum X.\n * @param {number} minY Minimum Y.\n * @param {number} maxY Maximum Y.\n * @param {TileRange=} tileRange TileRange.\n * @return {TileRange} Tile range.\n */\nexport function createOrUpdate(minX, maxX, minY, maxY, tileRange) {\n if (tileRange !== undefined) {\n tileRange.minX = minX;\n tileRange.maxX = maxX;\n tileRange.minY = minY;\n tileRange.maxY = maxY;\n return tileRange;\n } else {\n return new TileRange(minX, maxX, minY, maxY);\n }\n}\n\n\nexport default TileRange;\n\n//# sourceMappingURL=TileRange.js.map","/**\n * @module ol/Disposable\n */\n\n/**\n * @classdesc\n * Objects that need to clean up after themselves.\n */\nvar Disposable = function Disposable() {\n /**\n * The object has already been disposed.\n * @type {boolean}\n * @private\n */\n this.disposed_ = false;\n};\n\n/**\n * Clean up.\n */\nDisposable.prototype.dispose = function dispose () {\n if (!this.disposed_) {\n this.disposed_ = true;\n this.disposeInternal();\n }\n};\n\n/**\n * Extension point for disposable objects.\n * @protected\n */\nDisposable.prototype.disposeInternal = function disposeInternal () {};\n\nexport default Disposable;\n\n//# sourceMappingURL=Disposable.js.map","'use strict';\n\nmodule.exports = rbush;\nmodule.exports.default = rbush;\n\nvar quickselect = require('quickselect');\n\nfunction rbush(maxEntries, format) {\n if (!(this instanceof rbush)) return new rbush(maxEntries, format);\n\n // max entries in a node is 9 by default; min node fill is 40% for best performance\n this._maxEntries = Math.max(4, maxEntries || 9);\n this._minEntries = Math.max(2, Math.ceil(this._maxEntries * 0.4));\n\n if (format) {\n this._initFormat(format);\n }\n\n this.clear();\n}\n\nrbush.prototype = {\n\n all: function () {\n return this._all(this.data, []);\n },\n\n search: function (bbox) {\n\n var node = this.data,\n result = [],\n toBBox = this.toBBox;\n\n if (!intersects(bbox, node)) return result;\n\n var nodesToSearch = [],\n i, len, child, childBBox;\n\n while (node) {\n for (i = 0, len = node.children.length; i < len; i++) {\n\n child = node.children[i];\n childBBox = node.leaf ? toBBox(child) : child;\n\n if (intersects(bbox, childBBox)) {\n if (node.leaf) result.push(child);\n else if (contains(bbox, childBBox)) this._all(child, result);\n else nodesToSearch.push(child);\n }\n }\n node = nodesToSearch.pop();\n }\n\n return result;\n },\n\n collides: function (bbox) {\n\n var node = this.data,\n toBBox = this.toBBox;\n\n if (!intersects(bbox, node)) return false;\n\n var nodesToSearch = [],\n i, len, child, childBBox;\n\n while (node) {\n for (i = 0, len = node.children.length; i < len; i++) {\n\n child = node.children[i];\n childBBox = node.leaf ? toBBox(child) : child;\n\n if (intersects(bbox, childBBox)) {\n if (node.leaf || contains(bbox, childBBox)) return true;\n nodesToSearch.push(child);\n }\n }\n node = nodesToSearch.pop();\n }\n\n return false;\n },\n\n load: function (data) {\n if (!(data && data.length)) return this;\n\n if (data.length < this._minEntries) {\n for (var i = 0, len = data.length; i < len; i++) {\n this.insert(data[i]);\n }\n return this;\n }\n\n // recursively build the tree with the given data from scratch using OMT algorithm\n var node = this._build(data.slice(), 0, data.length - 1, 0);\n\n if (!this.data.children.length) {\n // save as is if tree is empty\n this.data = node;\n\n } else if (this.data.height === node.height) {\n // split root if trees have the same height\n this._splitRoot(this.data, node);\n\n } else {\n if (this.data.height < node.height) {\n // swap trees if inserted one is bigger\n var tmpNode = this.data;\n this.data = node;\n node = tmpNode;\n }\n\n // insert the small tree into the large tree at appropriate level\n this._insert(node, this.data.height - node.height - 1, true);\n }\n\n return this;\n },\n\n insert: function (item) {\n if (item) this._insert(item, this.data.height - 1);\n return this;\n },\n\n clear: function () {\n this.data = createNode([]);\n return this;\n },\n\n remove: function (item, equalsFn) {\n if (!item) return this;\n\n var node = this.data,\n bbox = this.toBBox(item),\n path = [],\n indexes = [],\n i, parent, index, goingUp;\n\n // depth-first iterative tree traversal\n while (node || path.length) {\n\n if (!node) { // go up\n node = path.pop();\n parent = path[path.length - 1];\n i = indexes.pop();\n goingUp = true;\n }\n\n if (node.leaf) { // check current node\n index = findItem(item, node.children, equalsFn);\n\n if (index !== -1) {\n // item found, remove the item and condense tree upwards\n node.children.splice(index, 1);\n path.push(node);\n this._condense(path);\n return this;\n }\n }\n\n if (!goingUp && !node.leaf && contains(node, bbox)) { // go down\n path.push(node);\n indexes.push(i);\n i = 0;\n parent = node;\n node = node.children[0];\n\n } else if (parent) { // go right\n i++;\n node = parent.children[i];\n goingUp = false;\n\n } else node = null; // nothing found\n }\n\n return this;\n },\n\n toBBox: function (item) { return item; },\n\n compareMinX: compareNodeMinX,\n compareMinY: compareNodeMinY,\n\n toJSON: function () { return this.data; },\n\n fromJSON: function (data) {\n this.data = data;\n return this;\n },\n\n _all: function (node, result) {\n var nodesToSearch = [];\n while (node) {\n if (node.leaf) result.push.apply(result, node.children);\n else nodesToSearch.push.apply(nodesToSearch, node.children);\n\n node = nodesToSearch.pop();\n }\n return result;\n },\n\n _build: function (items, left, right, height) {\n\n var N = right - left + 1,\n M = this._maxEntries,\n node;\n\n if (N <= M) {\n // reached leaf level; return leaf\n node = createNode(items.slice(left, right + 1));\n calcBBox(node, this.toBBox);\n return node;\n }\n\n if (!height) {\n // target height of the bulk-loaded tree\n height = Math.ceil(Math.log(N) / Math.log(M));\n\n // target number of root entries to maximize storage utilization\n M = Math.ceil(N / Math.pow(M, height - 1));\n }\n\n node = createNode([]);\n node.leaf = false;\n node.height = height;\n\n // split the items into M mostly square tiles\n\n var N2 = Math.ceil(N / M),\n N1 = N2 * Math.ceil(Math.sqrt(M)),\n i, j, right2, right3;\n\n multiSelect(items, left, right, N1, this.compareMinX);\n\n for (i = left; i <= right; i += N1) {\n\n right2 = Math.min(i + N1 - 1, right);\n\n multiSelect(items, i, right2, N2, this.compareMinY);\n\n for (j = i; j <= right2; j += N2) {\n\n right3 = Math.min(j + N2 - 1, right2);\n\n // pack each entry recursively\n node.children.push(this._build(items, j, right3, height - 1));\n }\n }\n\n calcBBox(node, this.toBBox);\n\n return node;\n },\n\n _chooseSubtree: function (bbox, node, level, path) {\n\n var i, len, child, targetNode, area, enlargement, minArea, minEnlargement;\n\n while (true) {\n path.push(node);\n\n if (node.leaf || path.length - 1 === level) break;\n\n minArea = minEnlargement = Infinity;\n\n for (i = 0, len = node.children.length; i < len; i++) {\n child = node.children[i];\n area = bboxArea(child);\n enlargement = enlargedArea(bbox, child) - area;\n\n // choose entry with the least area enlargement\n if (enlargement < minEnlargement) {\n minEnlargement = enlargement;\n minArea = area < minArea ? area : minArea;\n targetNode = child;\n\n } else if (enlargement === minEnlargement) {\n // otherwise choose one with the smallest area\n if (area < minArea) {\n minArea = area;\n targetNode = child;\n }\n }\n }\n\n node = targetNode || node.children[0];\n }\n\n return node;\n },\n\n _insert: function (item, level, isNode) {\n\n var toBBox = this.toBBox,\n bbox = isNode ? item : toBBox(item),\n insertPath = [];\n\n // find the best node for accommodating the item, saving all nodes along the path too\n var node = this._chooseSubtree(bbox, this.data, level, insertPath);\n\n // put the item into the node\n node.children.push(item);\n extend(node, bbox);\n\n // split on node overflow; propagate upwards if necessary\n while (level >= 0) {\n if (insertPath[level].children.length > this._maxEntries) {\n this._split(insertPath, level);\n level--;\n } else break;\n }\n\n // adjust bboxes along the insertion path\n this._adjustParentBBoxes(bbox, insertPath, level);\n },\n\n // split overflowed node into two\n _split: function (insertPath, level) {\n\n var node = insertPath[level],\n M = node.children.length,\n m = this._minEntries;\n\n this._chooseSplitAxis(node, m, M);\n\n var splitIndex = this._chooseSplitIndex(node, m, M);\n\n var newNode = createNode(node.children.splice(splitIndex, node.children.length - splitIndex));\n newNode.height = node.height;\n newNode.leaf = node.leaf;\n\n calcBBox(node, this.toBBox);\n calcBBox(newNode, this.toBBox);\n\n if (level) insertPath[level - 1].children.push(newNode);\n else this._splitRoot(node, newNode);\n },\n\n _splitRoot: function (node, newNode) {\n // split root node\n this.data = createNode([node, newNode]);\n this.data.height = node.height + 1;\n this.data.leaf = false;\n calcBBox(this.data, this.toBBox);\n },\n\n _chooseSplitIndex: function (node, m, M) {\n\n var i, bbox1, bbox2, overlap, area, minOverlap, minArea, index;\n\n minOverlap = minArea = Infinity;\n\n for (i = m; i <= M - m; i++) {\n bbox1 = distBBox(node, 0, i, this.toBBox);\n bbox2 = distBBox(node, i, M, this.toBBox);\n\n overlap = intersectionArea(bbox1, bbox2);\n area = bboxArea(bbox1) + bboxArea(bbox2);\n\n // choose distribution with minimum overlap\n if (overlap < minOverlap) {\n minOverlap = overlap;\n index = i;\n\n minArea = area < minArea ? area : minArea;\n\n } else if (overlap === minOverlap) {\n // otherwise choose distribution with minimum area\n if (area < minArea) {\n minArea = area;\n index = i;\n }\n }\n }\n\n return index;\n },\n\n // sorts node children by the best axis for split\n _chooseSplitAxis: function (node, m, M) {\n\n var compareMinX = node.leaf ? this.compareMinX : compareNodeMinX,\n compareMinY = node.leaf ? this.compareMinY : compareNodeMinY,\n xMargin = this._allDistMargin(node, m, M, compareMinX),\n yMargin = this._allDistMargin(node, m, M, compareMinY);\n\n // if total distributions margin value is minimal for x, sort by minX,\n // otherwise it's already sorted by minY\n if (xMargin < yMargin) node.children.sort(compareMinX);\n },\n\n // total margin of all possible split distributions where each node is at least m full\n _allDistMargin: function (node, m, M, compare) {\n\n node.children.sort(compare);\n\n var toBBox = this.toBBox,\n leftBBox = distBBox(node, 0, m, toBBox),\n rightBBox = distBBox(node, M - m, M, toBBox),\n margin = bboxMargin(leftBBox) + bboxMargin(rightBBox),\n i, child;\n\n for (i = m; i < M - m; i++) {\n child = node.children[i];\n extend(leftBBox, node.leaf ? toBBox(child) : child);\n margin += bboxMargin(leftBBox);\n }\n\n for (i = M - m - 1; i >= m; i--) {\n child = node.children[i];\n extend(rightBBox, node.leaf ? toBBox(child) : child);\n margin += bboxMargin(rightBBox);\n }\n\n return margin;\n },\n\n _adjustParentBBoxes: function (bbox, path, level) {\n // adjust bboxes along the given tree path\n for (var i = level; i >= 0; i--) {\n extend(path[i], bbox);\n }\n },\n\n _condense: function (path) {\n // go through the path, removing empty nodes and updating bboxes\n for (var i = path.length - 1, siblings; i >= 0; i--) {\n if (path[i].children.length === 0) {\n if (i > 0) {\n siblings = path[i - 1].children;\n siblings.splice(siblings.indexOf(path[i]), 1);\n\n } else this.clear();\n\n } else calcBBox(path[i], this.toBBox);\n }\n },\n\n _initFormat: function (format) {\n // data format (minX, minY, maxX, maxY accessors)\n\n // uses eval-type function compilation instead of just accepting a toBBox function\n // because the algorithms are very sensitive to sorting functions performance,\n // so they should be dead simple and without inner calls\n\n var compareArr = ['return a', ' - b', ';'];\n\n this.compareMinX = new Function('a', 'b', compareArr.join(format[0]));\n this.compareMinY = new Function('a', 'b', compareArr.join(format[1]));\n\n this.toBBox = new Function('a',\n 'return {minX: a' + format[0] +\n ', minY: a' + format[1] +\n ', maxX: a' + format[2] +\n ', maxY: a' + format[3] + '};');\n }\n};\n\nfunction findItem(item, items, equalsFn) {\n if (!equalsFn) return items.indexOf(item);\n\n for (var i = 0; i < items.length; i++) {\n if (equalsFn(item, items[i])) return i;\n }\n return -1;\n}\n\n// calculate node's bbox from bboxes of its children\nfunction calcBBox(node, toBBox) {\n distBBox(node, 0, node.children.length, toBBox, node);\n}\n\n// min bounding rectangle of node children from k to p-1\nfunction distBBox(node, k, p, toBBox, destNode) {\n if (!destNode) destNode = createNode(null);\n destNode.minX = Infinity;\n destNode.minY = Infinity;\n destNode.maxX = -Infinity;\n destNode.maxY = -Infinity;\n\n for (var i = k, child; i < p; i++) {\n child = node.children[i];\n extend(destNode, node.leaf ? toBBox(child) : child);\n }\n\n return destNode;\n}\n\nfunction extend(a, b) {\n a.minX = Math.min(a.minX, b.minX);\n a.minY = Math.min(a.minY, b.minY);\n a.maxX = Math.max(a.maxX, b.maxX);\n a.maxY = Math.max(a.maxY, b.maxY);\n return a;\n}\n\nfunction compareNodeMinX(a, b) { return a.minX - b.minX; }\nfunction compareNodeMinY(a, b) { return a.minY - b.minY; }\n\nfunction bboxArea(a) { return (a.maxX - a.minX) * (a.maxY - a.minY); }\nfunction bboxMargin(a) { return (a.maxX - a.minX) + (a.maxY - a.minY); }\n\nfunction enlargedArea(a, b) {\n return (Math.max(b.maxX, a.maxX) - Math.min(b.minX, a.minX)) *\n (Math.max(b.maxY, a.maxY) - Math.min(b.minY, a.minY));\n}\n\nfunction intersectionArea(a, b) {\n var minX = Math.max(a.minX, b.minX),\n minY = Math.max(a.minY, b.minY),\n maxX = Math.min(a.maxX, b.maxX),\n maxY = Math.min(a.maxY, b.maxY);\n\n return Math.max(0, maxX - minX) *\n Math.max(0, maxY - minY);\n}\n\nfunction contains(a, b) {\n return a.minX <= b.minX &&\n a.minY <= b.minY &&\n b.maxX <= a.maxX &&\n b.maxY <= a.maxY;\n}\n\nfunction intersects(a, b) {\n return b.minX <= a.maxX &&\n b.minY <= a.maxY &&\n b.maxX >= a.minX &&\n b.maxY >= a.minY;\n}\n\nfunction createNode(children) {\n return {\n children: children,\n height: 1,\n leaf: true,\n minX: Infinity,\n minY: Infinity,\n maxX: -Infinity,\n maxY: -Infinity\n };\n}\n\n// sort an array so that items come in groups of n unsorted items, with groups sorted between each other;\n// combines selection algorithm with binary divide & conquer approach\n\nfunction multiSelect(arr, left, right, n, compare) {\n var stack = [left, right],\n mid;\n\n while (stack.length) {\n right = stack.pop();\n left = stack.pop();\n\n if (right - left <= n) continue;\n\n mid = left + Math.ceil((right - left) / n / 2) * n;\n quickselect(arr, mid, left, right, compare);\n\n stack.push(left, mid, mid, right);\n }\n}\n","/**\n * @module ol/style/Stroke\n */\nimport {getUid} from '../util.js';\n\n\n/**\n * @typedef {Object} Options\n * @property {import(\"../color.js\").Color|import(\"../colorlike.js\").ColorLike} [color] A color, gradient or pattern.\n * See {@link module:ol/color~Color} and {@link module:ol/colorlike~ColorLike} for possible formats.\n * Default null; if null, the Canvas/renderer default black will be used.\n * @property {string} [lineCap='round'] Line cap style: `butt`, `round`, or `square`.\n * @property {string} [lineJoin='round'] Line join style: `bevel`, `round`, or `miter`.\n * @property {Array} [lineDash] Line dash pattern. Default is `undefined` (no dash).\n * Please note that Internet Explorer 10 and lower do not support the `setLineDash` method on\n * the `CanvasRenderingContext2D` and therefore this option will have no visual effect in these browsers.\n * @property {number} [lineDashOffset=0] Line dash offset.\n * @property {number} [miterLimit=10] Miter limit.\n * @property {number} [width] Width.\n */\n\n\n/**\n * @classdesc\n * Set stroke style for vector features.\n * Note that the defaults given are the Canvas defaults, which will be used if\n * option is not defined. The `get` functions return whatever was entered in\n * the options; they will not return the default.\n * @api\n */\nvar Stroke = function Stroke(opt_options) {\n\n var options = opt_options || {};\n\n /**\n * @private\n * @type {import(\"../color.js\").Color|import(\"../colorlike.js\").ColorLike}\n */\n this.color_ = options.color !== undefined ? options.color : null;\n\n /**\n * @private\n * @type {string|undefined}\n */\n this.lineCap_ = options.lineCap;\n\n /**\n * @private\n * @type {Array}\n */\n this.lineDash_ = options.lineDash !== undefined ? options.lineDash : null;\n\n /**\n * @private\n * @type {number|undefined}\n */\n this.lineDashOffset_ = options.lineDashOffset;\n\n /**\n * @private\n * @type {string|undefined}\n */\n this.lineJoin_ = options.lineJoin;\n\n /**\n * @private\n * @type {number|undefined}\n */\n this.miterLimit_ = options.miterLimit;\n\n /**\n * @private\n * @type {number|undefined}\n */\n this.width_ = options.width;\n\n /**\n * @private\n * @type {string|undefined}\n */\n this.checksum_ = undefined;\n};\n\n/**\n * Clones the style.\n * @return {Stroke} The cloned style.\n * @api\n */\nStroke.prototype.clone = function clone () {\n var color = this.getColor();\n return new Stroke({\n color: Array.isArray(color) ? color.slice() : color || undefined,\n lineCap: this.getLineCap(),\n lineDash: this.getLineDash() ? this.getLineDash().slice() : undefined,\n lineDashOffset: this.getLineDashOffset(),\n lineJoin: this.getLineJoin(),\n miterLimit: this.getMiterLimit(),\n width: this.getWidth()\n });\n};\n\n/**\n * Get the stroke color.\n * @return {import(\"../color.js\").Color|import(\"../colorlike.js\").ColorLike} Color.\n * @api\n */\nStroke.prototype.getColor = function getColor () {\n return this.color_;\n};\n\n/**\n * Get the line cap type for the stroke.\n * @return {string|undefined} Line cap.\n * @api\n */\nStroke.prototype.getLineCap = function getLineCap () {\n return this.lineCap_;\n};\n\n/**\n * Get the line dash style for the stroke.\n * @return {Array} Line dash.\n * @api\n */\nStroke.prototype.getLineDash = function getLineDash () {\n return this.lineDash_;\n};\n\n/**\n * Get the line dash offset for the stroke.\n * @return {number|undefined} Line dash offset.\n * @api\n */\nStroke.prototype.getLineDashOffset = function getLineDashOffset () {\n return this.lineDashOffset_;\n};\n\n/**\n * Get the line join type for the stroke.\n * @return {string|undefined} Line join.\n * @api\n */\nStroke.prototype.getLineJoin = function getLineJoin () {\n return this.lineJoin_;\n};\n\n/**\n * Get the miter limit for the stroke.\n * @return {number|undefined} Miter limit.\n * @api\n */\nStroke.prototype.getMiterLimit = function getMiterLimit () {\n return this.miterLimit_;\n};\n\n/**\n * Get the stroke width.\n * @return {number|undefined} Width.\n * @api\n */\nStroke.prototype.getWidth = function getWidth () {\n return this.width_;\n};\n\n/**\n * Set the color.\n *\n * @param {import(\"../color.js\").Color|import(\"../colorlike.js\").ColorLike} color Color.\n * @api\n */\nStroke.prototype.setColor = function setColor (color) {\n this.color_ = color;\n this.checksum_ = undefined;\n};\n\n/**\n * Set the line cap.\n *\n * @param {string|undefined} lineCap Line cap.\n * @api\n */\nStroke.prototype.setLineCap = function setLineCap (lineCap) {\n this.lineCap_ = lineCap;\n this.checksum_ = undefined;\n};\n\n/**\n * Set the line dash.\n *\n * Please note that Internet Explorer 10 and lower [do not support][mdn] the\n * `setLineDash` method on the `CanvasRenderingContext2D` and therefore this\n * property will have no visual effect in these browsers.\n *\n * [mdn]: https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/setLineDash#Browser_compatibility\n *\n * @param {Array} lineDash Line dash.\n * @api\n */\nStroke.prototype.setLineDash = function setLineDash (lineDash) {\n this.lineDash_ = lineDash;\n this.checksum_ = undefined;\n};\n\n/**\n * Set the line dash offset.\n *\n * @param {number|undefined} lineDashOffset Line dash offset.\n * @api\n */\nStroke.prototype.setLineDashOffset = function setLineDashOffset (lineDashOffset) {\n this.lineDashOffset_ = lineDashOffset;\n this.checksum_ = undefined;\n};\n\n/**\n * Set the line join.\n *\n * @param {string|undefined} lineJoin Line join.\n * @api\n */\nStroke.prototype.setLineJoin = function setLineJoin (lineJoin) {\n this.lineJoin_ = lineJoin;\n this.checksum_ = undefined;\n};\n\n/**\n * Set the miter limit.\n *\n * @param {number|undefined} miterLimit Miter limit.\n * @api\n */\nStroke.prototype.setMiterLimit = function setMiterLimit (miterLimit) {\n this.miterLimit_ = miterLimit;\n this.checksum_ = undefined;\n};\n\n/**\n * Set the width.\n *\n * @param {number|undefined} width Width.\n * @api\n */\nStroke.prototype.setWidth = function setWidth (width) {\n this.width_ = width;\n this.checksum_ = undefined;\n};\n\n/**\n * @return {string} The checksum.\n */\nStroke.prototype.getChecksum = function getChecksum () {\n if (this.checksum_ === undefined) {\n this.checksum_ = 's';\n if (this.color_) {\n if (typeof this.color_ === 'string') {\n this.checksum_ += this.color_;\n } else {\n this.checksum_ += getUid(this.color_);\n }\n } else {\n this.checksum_ += '-';\n }\n this.checksum_ += ',' +\n (this.lineCap_ !== undefined ?\n this.lineCap_.toString() : '-') + ',' +\n (this.lineDash_ ?\n this.lineDash_.toString() : '-') + ',' +\n (this.lineDashOffset_ !== undefined ?\n this.lineDashOffset_ : '-') + ',' +\n (this.lineJoin_ !== undefined ?\n this.lineJoin_ : '-') + ',' +\n (this.miterLimit_ !== undefined ?\n this.miterLimit_.toString() : '-') + ',' +\n (this.width_ !== undefined ?\n this.width_.toString() : '-');\n }\n\n return this.checksum_;\n};\n\nexport default Stroke;\n\n//# sourceMappingURL=Stroke.js.map","/**\n * @license\n * Latitude/longitude spherical geodesy formulae taken from\n * http://www.movable-type.co.uk/scripts/latlong.html\n * Licensed under CC-BY-3.0.\n */\n\n/**\n * @module ol/sphere\n */\nimport {toRadians, toDegrees} from './math.js';\nimport GeometryType from './geom/GeometryType.js';\n\n\n/**\n * Object literal with options for the {@link getLength} or {@link getArea}\n * functions.\n * @typedef {Object} SphereMetricOptions\n * @property {import(\"./proj.js\").ProjectionLike} [projection='EPSG:3857']\n * Projection of the geometry. By default, the geometry is assumed to be in\n * Web Mercator.\n * @property {number} [radius=6371008.8] Sphere radius. By default, the radius of the\n * earth is used (Clarke 1866 Authalic Sphere).\n */\n\n\n/**\n * The mean Earth radius (1/3 * (2a + b)) for the WGS84 ellipsoid.\n * https://en.wikipedia.org/wiki/Earth_radius#Mean_radius\n * @type {number}\n */\nexport var DEFAULT_RADIUS = 6371008.8;\n\n\n/**\n * Get the great circle distance (in meters) between two geographic coordinates.\n * @param {Array} c1 Starting coordinate.\n * @param {Array} c2 Ending coordinate.\n * @param {number=} opt_radius The sphere radius to use. Defaults to the Earth's\n * mean radius using the WGS84 ellipsoid.\n * @return {number} The great circle distance between the points (in meters).\n * @api\n */\nexport function getDistance(c1, c2, opt_radius) {\n var radius = opt_radius || DEFAULT_RADIUS;\n var lat1 = toRadians(c1[1]);\n var lat2 = toRadians(c2[1]);\n var deltaLatBy2 = (lat2 - lat1) / 2;\n var deltaLonBy2 = toRadians(c2[0] - c1[0]) / 2;\n var a = Math.sin(deltaLatBy2) * Math.sin(deltaLatBy2) +\n Math.sin(deltaLonBy2) * Math.sin(deltaLonBy2) *\n Math.cos(lat1) * Math.cos(lat2);\n return 2 * radius * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));\n}\n\n\n/**\n * Get the cumulative great circle length of linestring coordinates (geographic).\n * @param {Array} coordinates Linestring coordinates.\n * @param {number} radius The sphere radius to use.\n * @return {number} The length (in meters).\n */\nfunction getLengthInternal(coordinates, radius) {\n var length = 0;\n for (var i = 0, ii = coordinates.length; i < ii - 1; ++i) {\n length += getDistance(coordinates[i], coordinates[i + 1], radius);\n }\n return length;\n}\n\n\n/**\n * Get the spherical length of a geometry. This length is the sum of the\n * great circle distances between coordinates. For polygons, the length is\n * the sum of all rings. For points, the length is zero. For multi-part\n * geometries, the length is the sum of the length of each part.\n * @param {import(\"./geom/Geometry.js\").default} geometry A geometry.\n * @param {SphereMetricOptions=} opt_options Options for the\n * length calculation. By default, geometries are assumed to be in 'EPSG:3857'.\n * You can change this by providing a `projection` option.\n * @return {number} The spherical length (in meters).\n * @api\n */\nexport function getLength(geometry, opt_options) {\n var options = opt_options || {};\n var radius = options.radius || DEFAULT_RADIUS;\n var projection = options.projection || 'EPSG:3857';\n var type = geometry.getType();\n if (type !== GeometryType.GEOMETRY_COLLECTION) {\n geometry = geometry.clone().transform(projection, 'EPSG:4326');\n }\n var length = 0;\n var coordinates, coords, i, ii, j, jj;\n switch (type) {\n case GeometryType.POINT:\n case GeometryType.MULTI_POINT: {\n break;\n }\n case GeometryType.LINE_STRING:\n case GeometryType.LINEAR_RING: {\n coordinates = /** @type {import(\"./geom/SimpleGeometry.js\").default} */ (geometry).getCoordinates();\n length = getLengthInternal(coordinates, radius);\n break;\n }\n case GeometryType.MULTI_LINE_STRING:\n case GeometryType.POLYGON: {\n coordinates = /** @type {import(\"./geom/SimpleGeometry.js\").default} */ (geometry).getCoordinates();\n for (i = 0, ii = coordinates.length; i < ii; ++i) {\n length += getLengthInternal(coordinates[i], radius);\n }\n break;\n }\n case GeometryType.MULTI_POLYGON: {\n coordinates = /** @type {import(\"./geom/SimpleGeometry.js\").default} */ (geometry).getCoordinates();\n for (i = 0, ii = coordinates.length; i < ii; ++i) {\n coords = coordinates[i];\n for (j = 0, jj = coords.length; j < jj; ++j) {\n length += getLengthInternal(coords[j], radius);\n }\n }\n break;\n }\n case GeometryType.GEOMETRY_COLLECTION: {\n var geometries = /** @type {import(\"./geom/GeometryCollection.js\").default} */ (geometry).getGeometries();\n for (i = 0, ii = geometries.length; i < ii; ++i) {\n length += getLength(geometries[i], opt_options);\n }\n break;\n }\n default: {\n throw new Error('Unsupported geometry type: ' + type);\n }\n }\n return length;\n}\n\n\n/**\n * Returns the spherical area for a list of coordinates.\n *\n * [Reference](https://trs-new.jpl.nasa.gov/handle/2014/40409)\n * Robert. G. Chamberlain and William H. Duquette, \"Some Algorithms for\n * Polygons on a Sphere\", JPL Publication 07-03, Jet Propulsion\n * Laboratory, Pasadena, CA, June 2007\n *\n * @param {Array} coordinates List of coordinates of a linear\n * ring. If the ring is oriented clockwise, the area will be positive,\n * otherwise it will be negative.\n * @param {number} radius The sphere radius.\n * @return {number} Area (in square meters).\n */\nfunction getAreaInternal(coordinates, radius) {\n var area = 0;\n var len = coordinates.length;\n var x1 = coordinates[len - 1][0];\n var y1 = coordinates[len - 1][1];\n for (var i = 0; i < len; i++) {\n var x2 = coordinates[i][0];\n var y2 = coordinates[i][1];\n area += toRadians(x2 - x1) *\n (2 + Math.sin(toRadians(y1)) +\n Math.sin(toRadians(y2)));\n x1 = x2;\n y1 = y2;\n }\n return area * radius * radius / 2.0;\n}\n\n\n/**\n * Get the spherical area of a geometry. This is the area (in meters) assuming\n * that polygon edges are segments of great circles on a sphere.\n * @param {import(\"./geom/Geometry.js\").default} geometry A geometry.\n * @param {SphereMetricOptions=} opt_options Options for the area\n * calculation. By default, geometries are assumed to be in 'EPSG:3857'.\n * You can change this by providing a `projection` option.\n * @return {number} The spherical area (in square meters).\n * @api\n */\nexport function getArea(geometry, opt_options) {\n var options = opt_options || {};\n var radius = options.radius || DEFAULT_RADIUS;\n var projection = options.projection || 'EPSG:3857';\n var type = geometry.getType();\n if (type !== GeometryType.GEOMETRY_COLLECTION) {\n geometry = geometry.clone().transform(projection, 'EPSG:4326');\n }\n var area = 0;\n var coordinates, coords, i, ii, j, jj;\n switch (type) {\n case GeometryType.POINT:\n case GeometryType.MULTI_POINT:\n case GeometryType.LINE_STRING:\n case GeometryType.MULTI_LINE_STRING:\n case GeometryType.LINEAR_RING: {\n break;\n }\n case GeometryType.POLYGON: {\n coordinates = /** @type {import(\"./geom/Polygon.js\").default} */ (geometry).getCoordinates();\n area = Math.abs(getAreaInternal(coordinates[0], radius));\n for (i = 1, ii = coordinates.length; i < ii; ++i) {\n area -= Math.abs(getAreaInternal(coordinates[i], radius));\n }\n break;\n }\n case GeometryType.MULTI_POLYGON: {\n coordinates = /** @type {import(\"./geom/SimpleGeometry.js\").default} */ (geometry).getCoordinates();\n for (i = 0, ii = coordinates.length; i < ii; ++i) {\n coords = coordinates[i];\n area += Math.abs(getAreaInternal(coords[0], radius));\n for (j = 1, jj = coords.length; j < jj; ++j) {\n area -= Math.abs(getAreaInternal(coords[j], radius));\n }\n }\n break;\n }\n case GeometryType.GEOMETRY_COLLECTION: {\n var geometries = /** @type {import(\"./geom/GeometryCollection.js\").default} */ (geometry).getGeometries();\n for (i = 0, ii = geometries.length; i < ii; ++i) {\n area += getArea(geometries[i], opt_options);\n }\n break;\n }\n default: {\n throw new Error('Unsupported geometry type: ' + type);\n }\n }\n return area;\n}\n\n\n/**\n * Returns the coordinate at the given distance and bearing from `c1`.\n *\n * @param {import(\"./coordinate.js\").Coordinate} c1 The origin point (`[lon, lat]` in degrees).\n * @param {number} distance The great-circle distance between the origin\n * point and the target point.\n * @param {number} bearing The bearing (in radians).\n * @param {number=} opt_radius The sphere radius to use. Defaults to the Earth's\n * mean radius using the WGS84 ellipsoid.\n * @return {import(\"./coordinate.js\").Coordinate} The target point.\n */\nexport function offset(c1, distance, bearing, opt_radius) {\n var radius = opt_radius || DEFAULT_RADIUS;\n var lat1 = toRadians(c1[1]);\n var lon1 = toRadians(c1[0]);\n var dByR = distance / radius;\n var lat = Math.asin(\n Math.sin(lat1) * Math.cos(dByR) +\n Math.cos(lat1) * Math.sin(dByR) * Math.cos(bearing));\n var lon = lon1 + Math.atan2(\n Math.sin(bearing) * Math.sin(dByR) * Math.cos(lat1),\n Math.cos(dByR) - Math.sin(lat1) * Math.sin(lat));\n return [toDegrees(lon), toDegrees(lat)];\n}\n\n//# sourceMappingURL=sphere.js.map","/**\n * @module ol/style/IconImageCache\n */\nimport {asString} from '../color.js';\n\n/**\n * @classdesc\n * Singleton class. Available through {@link module:ol/style/IconImageCache~shared}.\n */\nvar IconImageCache = function IconImageCache() {\n\n /**\n * @type {!Object}\n * @private\n */\n this.cache_ = {};\n\n /**\n * @type {number}\n * @private\n */\n this.cacheSize_ = 0;\n\n /**\n * @type {number}\n * @private\n */\n this.maxCacheSize_ = 32;\n};\n\n/**\n* FIXME empty description for jsdoc\n*/\nIconImageCache.prototype.clear = function clear () {\n this.cache_ = {};\n this.cacheSize_ = 0;\n};\n\n/**\n* FIXME empty description for jsdoc\n*/\nIconImageCache.prototype.expire = function expire () {\n if (this.cacheSize_ > this.maxCacheSize_) {\n var i = 0;\n for (var key in this.cache_) {\n var iconImage = this.cache_[key];\n if ((i++ & 3) === 0 && !iconImage.hasListener()) {\n delete this.cache_[key];\n --this.cacheSize_;\n }\n }\n }\n};\n\n/**\n* @param {string} src Src.\n* @param {?string} crossOrigin Cross origin.\n* @param {import(\"../color.js\").Color} color Color.\n* @return {import(\"./IconImage.js\").default} Icon image.\n*/\nIconImageCache.prototype.get = function get (src, crossOrigin, color) {\n var key = getKey(src, crossOrigin, color);\n return key in this.cache_ ? this.cache_[key] : null;\n};\n\n/**\n* @param {string} src Src.\n* @param {?string} crossOrigin Cross origin.\n* @param {import(\"../color.js\").Color} color Color.\n* @param {import(\"./IconImage.js\").default} iconImage Icon image.\n*/\nIconImageCache.prototype.set = function set (src, crossOrigin, color, iconImage) {\n var key = getKey(src, crossOrigin, color);\n this.cache_[key] = iconImage;\n ++this.cacheSize_;\n};\n\n/**\n* Set the cache size of the icon cache. Default is `32`. Change this value when\n* your map uses more than 32 different icon images and you are not caching icon\n* styles on the application level.\n* @param {number} maxCacheSize Cache max size.\n* @api\n*/\nIconImageCache.prototype.setSize = function setSize (maxCacheSize) {\n this.maxCacheSize_ = maxCacheSize;\n this.expire();\n};\n\n\n/**\n * @param {string} src Src.\n * @param {?string} crossOrigin Cross origin.\n * @param {import(\"../color.js\").Color} color Color.\n * @return {string} Cache key.\n */\nfunction getKey(src, crossOrigin, color) {\n var colorString = color ? asString(color) : 'null';\n return crossOrigin + ':' + src + ':' + colorString;\n}\n\n\nexport default IconImageCache;\n\n\n/**\n * The {@link module:ol/style/IconImageCache~IconImageCache} for\n * {@link module:ol/style/Icon~Icon} images.\n * @api\n */\nexport var shared = new IconImageCache();\n\n//# sourceMappingURL=IconImageCache.js.map","/**\n * @module ol/pointer/EventSource\n */\n\nvar EventSource = function EventSource(dispatcher, mapping) {\n\n /**\n * @type {import(\"./PointerEventHandler.js\").default}\n */\n this.dispatcher = dispatcher;\n\n /**\n * @private\n * @const\n * @type {!Object}\n */\n this.mapping_ = mapping;\n};\n\n/**\n * List of events supported by this source.\n * @return {Array} Event names\n */\nEventSource.prototype.getEvents = function getEvents () {\n return Object.keys(this.mapping_);\n};\n\n/**\n * Returns the handler that should handle a given event type.\n * @param {string} eventType The event type.\n * @return {function(Event)} Handler\n */\nEventSource.prototype.getHandlerForEvent = function getHandlerForEvent (eventType) {\n return this.mapping_[eventType];\n};\n\nexport default EventSource;\n\n//# sourceMappingURL=EventSource.js.map","/**\n * @module ol/pointer/MouseSource\n */\n\n// Based on https://github.com/Polymer/PointerEvents\n\n// Copyright (c) 2013 The Polymer Authors. All rights reserved.\n//\n// Redistribution and use in source and binary forms, with or without\n// modification, are permitted provided that the following conditions are\n// met:\n//\n// * Redistributions of source code must retain the above copyright\n// notice, this list of conditions and the following disclaimer.\n// * Redistributions in binary form must reproduce the above\n// copyright notice, this list of conditions and the following disclaimer\n// in the documentation and/or other materials provided with the\n// distribution.\n// * Neither the name of Google Inc. nor the names of its\n// contributors may be used to endorse or promote products derived from\n// this software without specific prior written permission.\n//\n// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n// \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n\nimport EventSource from './EventSource.js';\n\n\n/**\n * @type {number}\n */\nexport var POINTER_ID = 1;\n\n\n/**\n * @type {string}\n */\nexport var POINTER_TYPE = 'mouse';\n\n\n/**\n * Radius around touchend that swallows mouse events.\n *\n * @type {number}\n */\nvar DEDUP_DIST = 25;\n\n/**\n * Handler for `mousedown`.\n *\n * @this {MouseSource}\n * @param {MouseEvent} inEvent The in event.\n */\nfunction mousedown(inEvent) {\n if (!this.isEventSimulatedFromTouch_(inEvent)) {\n // TODO(dfreedman) workaround for some elements not sending mouseup\n // http://crbug/149091\n if (POINTER_ID.toString() in this.pointerMap) {\n this.cancel(inEvent);\n }\n var e = prepareEvent(inEvent, this.dispatcher);\n this.pointerMap[POINTER_ID.toString()] = inEvent;\n this.dispatcher.down(e, inEvent);\n }\n}\n\n/**\n * Handler for `mousemove`.\n *\n * @this {MouseSource}\n * @param {MouseEvent} inEvent The in event.\n */\nfunction mousemove(inEvent) {\n if (!this.isEventSimulatedFromTouch_(inEvent)) {\n var e = prepareEvent(inEvent, this.dispatcher);\n this.dispatcher.move(e, inEvent);\n }\n}\n\n/**\n * Handler for `mouseup`.\n *\n * @this {MouseSource}\n * @param {MouseEvent} inEvent The in event.\n */\nfunction mouseup(inEvent) {\n if (!this.isEventSimulatedFromTouch_(inEvent)) {\n var p = this.pointerMap[POINTER_ID.toString()];\n\n if (p && p.button === inEvent.button) {\n var e = prepareEvent(inEvent, this.dispatcher);\n this.dispatcher.up(e, inEvent);\n this.cleanupMouse();\n }\n }\n}\n\n/**\n * Handler for `mouseover`.\n *\n * @this {MouseSource}\n * @param {MouseEvent} inEvent The in event.\n */\nfunction mouseover(inEvent) {\n if (!this.isEventSimulatedFromTouch_(inEvent)) {\n var e = prepareEvent(inEvent, this.dispatcher);\n this.dispatcher.enterOver(e, inEvent);\n }\n}\n\n/**\n * Handler for `mouseout`.\n *\n * @this {MouseSource}\n * @param {MouseEvent} inEvent The in event.\n */\nfunction mouseout(inEvent) {\n if (!this.isEventSimulatedFromTouch_(inEvent)) {\n var e = prepareEvent(inEvent, this.dispatcher);\n this.dispatcher.leaveOut(e, inEvent);\n }\n}\n\n\nvar MouseSource = /*@__PURE__*/(function (EventSource) {\n function MouseSource(dispatcher) {\n var mapping = {\n 'mousedown': mousedown,\n 'mousemove': mousemove,\n 'mouseup': mouseup,\n 'mouseover': mouseover,\n 'mouseout': mouseout\n };\n EventSource.call(this, dispatcher, mapping);\n\n /**\n * @const\n * @type {!Object}\n */\n this.pointerMap = dispatcher.pointerMap;\n\n /**\n * @const\n * @type {Array}\n */\n this.lastTouches = [];\n }\n\n if ( EventSource ) MouseSource.__proto__ = EventSource;\n MouseSource.prototype = Object.create( EventSource && EventSource.prototype );\n MouseSource.prototype.constructor = MouseSource;\n\n /**\n * Detect if a mouse event was simulated from a touch by\n * checking if previously there was a touch event at the\n * same position.\n *\n * FIXME - Known problem with the native Android browser on\n * Samsung GT-I9100 (Android 4.1.2):\n * In case the page is scrolled, this function does not work\n * correctly when a canvas is used (WebGL or canvas renderer).\n * Mouse listeners on canvas elements (for this browser), create\n * two mouse events: One 'good' and one 'bad' one (on other browsers or\n * when a div is used, there is only one event). For the 'bad' one,\n * clientX/clientY and also pageX/pageY are wrong when the page\n * is scrolled. Because of that, this function can not detect if\n * the events were simulated from a touch event. As result, a\n * pointer event at a wrong position is dispatched, which confuses\n * the map interactions.\n * It is unclear, how one can get the correct position for the event\n * or detect that the positions are invalid.\n *\n * @private\n * @param {MouseEvent} inEvent The in event.\n * @return {boolean} True, if the event was generated by a touch.\n */\n MouseSource.prototype.isEventSimulatedFromTouch_ = function isEventSimulatedFromTouch_ (inEvent) {\n var lts = this.lastTouches;\n var x = inEvent.clientX;\n var y = inEvent.clientY;\n for (var i = 0, l = lts.length, t = (void 0); i < l && (t = lts[i]); i++) {\n // simulated mouse events will be swallowed near a primary touchend\n var dx = Math.abs(x - t[0]);\n var dy = Math.abs(y - t[1]);\n if (dx <= DEDUP_DIST && dy <= DEDUP_DIST) {\n return true;\n }\n }\n return false;\n };\n\n /**\n * Dispatches a `pointercancel` event.\n *\n * @param {Event} inEvent The in event.\n */\n MouseSource.prototype.cancel = function cancel (inEvent) {\n var e = prepareEvent(inEvent, this.dispatcher);\n this.dispatcher.cancel(e, inEvent);\n this.cleanupMouse();\n };\n\n /**\n * Remove the mouse from the list of active pointers.\n */\n MouseSource.prototype.cleanupMouse = function cleanupMouse () {\n delete this.pointerMap[POINTER_ID.toString()];\n };\n\n return MouseSource;\n}(EventSource));\n\n\n/**\n * Creates a copy of the original event that will be used\n * for the fake pointer event.\n *\n * @param {Event} inEvent The in event.\n * @param {import(\"./PointerEventHandler.js\").default} dispatcher Event handler.\n * @return {Object} The copied event.\n */\nexport function prepareEvent(inEvent, dispatcher) {\n var e = dispatcher.cloneEvent(inEvent, inEvent);\n\n // forward mouse preventDefault\n var pd = e.preventDefault;\n e.preventDefault = function() {\n inEvent.preventDefault();\n pd();\n };\n\n e.pointerId = POINTER_ID;\n e.isPrimary = true;\n e.pointerType = POINTER_TYPE;\n\n return e;\n}\n\n\nexport default MouseSource;\n\n//# sourceMappingURL=MouseSource.js.map","/**\n * @module ol/pointer/MsSource\n */\n// Based on https://github.com/Polymer/PointerEvents\n\n// Copyright (c) 2013 The Polymer Authors. All rights reserved.\n//\n// Redistribution and use in source and binary forms, with or without\n// modification, are permitted provided that the following conditions are\n// met:\n//\n// * Redistributions of source code must retain the above copyright\n// notice, this list of conditions and the following disclaimer.\n// * Redistributions in binary form must reproduce the above\n// copyright notice, this list of conditions and the following disclaimer\n// in the documentation and/or other materials provided with the\n// distribution.\n// * Neither the name of Google Inc. nor the names of its\n// contributors may be used to endorse or promote products derived from\n// this software without specific prior written permission.\n//\n// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n// \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n\nimport EventSource from './EventSource.js';\n\n\n/**\n * @const\n * @type {Array}\n */\nvar POINTER_TYPES = [\n '',\n 'unavailable',\n 'touch',\n 'pen',\n 'mouse'\n];\n\n/**\n * Handler for `msPointerDown`.\n *\n * @this {MsSource}\n * @param {MSPointerEvent} inEvent The in event.\n */\nfunction msPointerDown(inEvent) {\n this.pointerMap[inEvent.pointerId.toString()] = inEvent;\n var e = this.prepareEvent_(inEvent);\n this.dispatcher.down(e, inEvent);\n}\n\n/**\n * Handler for `msPointerMove`.\n *\n * @this {MsSource}\n * @param {MSPointerEvent} inEvent The in event.\n */\nfunction msPointerMove(inEvent) {\n var e = this.prepareEvent_(inEvent);\n this.dispatcher.move(e, inEvent);\n}\n\n/**\n * Handler for `msPointerUp`.\n *\n * @this {MsSource}\n * @param {MSPointerEvent} inEvent The in event.\n */\nfunction msPointerUp(inEvent) {\n var e = this.prepareEvent_(inEvent);\n this.dispatcher.up(e, inEvent);\n this.cleanup(inEvent.pointerId);\n}\n\n/**\n * Handler for `msPointerOut`.\n *\n * @this {MsSource}\n * @param {MSPointerEvent} inEvent The in event.\n */\nfunction msPointerOut(inEvent) {\n var e = this.prepareEvent_(inEvent);\n this.dispatcher.leaveOut(e, inEvent);\n}\n\n/**\n * Handler for `msPointerOver`.\n *\n * @this {MsSource}\n * @param {MSPointerEvent} inEvent The in event.\n */\nfunction msPointerOver(inEvent) {\n var e = this.prepareEvent_(inEvent);\n this.dispatcher.enterOver(e, inEvent);\n}\n\n/**\n * Handler for `msPointerCancel`.\n *\n * @this {MsSource}\n * @param {MSPointerEvent} inEvent The in event.\n */\nfunction msPointerCancel(inEvent) {\n var e = this.prepareEvent_(inEvent);\n this.dispatcher.cancel(e, inEvent);\n this.cleanup(inEvent.pointerId);\n}\n\n/**\n * Handler for `msLostPointerCapture`.\n *\n * @this {MsSource}\n * @param {MSPointerEvent} inEvent The in event.\n */\nfunction msLostPointerCapture(inEvent) {\n var e = this.dispatcher.makeEvent('lostpointercapture', inEvent, inEvent);\n this.dispatcher.dispatchEvent(e);\n}\n\n/**\n * Handler for `msGotPointerCapture`.\n *\n * @this {MsSource}\n * @param {MSPointerEvent} inEvent The in event.\n */\nfunction msGotPointerCapture(inEvent) {\n var e = this.dispatcher.makeEvent('gotpointercapture', inEvent, inEvent);\n this.dispatcher.dispatchEvent(e);\n}\n\nvar MsSource = /*@__PURE__*/(function (EventSource) {\n function MsSource(dispatcher) {\n var mapping = {\n 'MSPointerDown': msPointerDown,\n 'MSPointerMove': msPointerMove,\n 'MSPointerUp': msPointerUp,\n 'MSPointerOut': msPointerOut,\n 'MSPointerOver': msPointerOver,\n 'MSPointerCancel': msPointerCancel,\n 'MSGotPointerCapture': msGotPointerCapture,\n 'MSLostPointerCapture': msLostPointerCapture\n };\n EventSource.call(this, dispatcher, mapping);\n\n /**\n * @const\n * @type {!Object}\n */\n this.pointerMap = dispatcher.pointerMap;\n }\n\n if ( EventSource ) MsSource.__proto__ = EventSource;\n MsSource.prototype = Object.create( EventSource && EventSource.prototype );\n MsSource.prototype.constructor = MsSource;\n\n /**\n * Creates a copy of the original event that will be used\n * for the fake pointer event.\n *\n * @private\n * @param {MSPointerEvent} inEvent The in event.\n * @return {Object} The copied event.\n */\n MsSource.prototype.prepareEvent_ = function prepareEvent_ (inEvent) {\n /** @type {MSPointerEvent|Object} */\n var e = inEvent;\n if (typeof inEvent.pointerType === 'number') {\n e = this.dispatcher.cloneEvent(inEvent, inEvent);\n e.pointerType = POINTER_TYPES[inEvent.pointerType];\n }\n\n return e;\n };\n\n /**\n * Remove this pointer from the list of active pointers.\n * @param {number} pointerId Pointer identifier.\n */\n MsSource.prototype.cleanup = function cleanup (pointerId) {\n delete this.pointerMap[pointerId.toString()];\n };\n\n return MsSource;\n}(EventSource));\n\nexport default MsSource;\n\n//# sourceMappingURL=MsSource.js.map","/**\n * @module ol/pointer/NativeSource\n */\n\n// Based on https://github.com/Polymer/PointerEvents\n\n// Copyright (c) 2013 The Polymer Authors. All rights reserved.\n//\n// Redistribution and use in source and binary forms, with or without\n// modification, are permitted provided that the following conditions are\n// met:\n//\n// * Redistributions of source code must retain the above copyright\n// notice, this list of conditions and the following disclaimer.\n// * Redistributions in binary form must reproduce the above\n// copyright notice, this list of conditions and the following disclaimer\n// in the documentation and/or other materials provided with the\n// distribution.\n// * Neither the name of Google Inc. nor the names of its\n// contributors may be used to endorse or promote products derived from\n// this software without specific prior written permission.\n//\n// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n// \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n\nimport EventSource from './EventSource.js';\n\n/**\n * Handler for `pointerdown`.\n *\n * @this {NativeSource}\n * @param {Event} inEvent The in event.\n */\nfunction pointerDown(inEvent) {\n this.dispatcher.fireNativeEvent(inEvent);\n}\n\n/**\n * Handler for `pointermove`.\n *\n * @this {NativeSource}\n * @param {Event} inEvent The in event.\n */\nfunction pointerMove(inEvent) {\n this.dispatcher.fireNativeEvent(inEvent);\n}\n\n/**\n * Handler for `pointerup`.\n *\n * @this {NativeSource}\n * @param {Event} inEvent The in event.\n */\nfunction pointerUp(inEvent) {\n this.dispatcher.fireNativeEvent(inEvent);\n}\n\n/**\n * Handler for `pointerout`.\n *\n * @this {NativeSource}\n * @param {Event} inEvent The in event.\n */\nfunction pointerOut(inEvent) {\n this.dispatcher.fireNativeEvent(inEvent);\n}\n\n/**\n * Handler for `pointerover`.\n *\n * @this {NativeSource}\n * @param {Event} inEvent The in event.\n */\nfunction pointerOver(inEvent) {\n this.dispatcher.fireNativeEvent(inEvent);\n}\n\n/**\n * Handler for `pointercancel`.\n *\n * @this {NativeSource}\n * @param {Event} inEvent The in event.\n */\nfunction pointerCancel(inEvent) {\n this.dispatcher.fireNativeEvent(inEvent);\n}\n\n/**\n * Handler for `lostpointercapture`.\n *\n * @this {NativeSource}\n * @param {Event} inEvent The in event.\n */\nfunction lostPointerCapture(inEvent) {\n this.dispatcher.fireNativeEvent(inEvent);\n}\n\n/**\n * Handler for `gotpointercapture`.\n *\n * @this {NativeSource}\n * @param {Event} inEvent The in event.\n */\nfunction gotPointerCapture(inEvent) {\n this.dispatcher.fireNativeEvent(inEvent);\n}\n\nvar NativeSource = /*@__PURE__*/(function (EventSource) {\n function NativeSource(dispatcher) {\n var mapping = {\n 'pointerdown': pointerDown,\n 'pointermove': pointerMove,\n 'pointerup': pointerUp,\n 'pointerout': pointerOut,\n 'pointerover': pointerOver,\n 'pointercancel': pointerCancel,\n 'gotpointercapture': gotPointerCapture,\n 'lostpointercapture': lostPointerCapture\n };\n EventSource.call(this, dispatcher, mapping);\n }\n\n if ( EventSource ) NativeSource.__proto__ = EventSource;\n NativeSource.prototype = Object.create( EventSource && EventSource.prototype );\n NativeSource.prototype.constructor = NativeSource;\n\n return NativeSource;\n}(EventSource));\n\nexport default NativeSource;\n\n//# sourceMappingURL=NativeSource.js.map","/**\n * @module ol/pointer/PointerEvent\n */\n\n// Based on https://github.com/Polymer/PointerEvents\n\n// Copyright (c) 2013 The Polymer Authors. All rights reserved.\n//\n// Redistribution and use in source and binary forms, with or without\n// modification, are permitted provided that the following conditions are\n// met:\n//\n// * Redistributions of source code must retain the above copyright\n// notice, this list of conditions and the following disclaimer.\n// * Redistributions in binary form must reproduce the above\n// copyright notice, this list of conditions and the following disclaimer\n// in the documentation and/or other materials provided with the\n// distribution.\n// * Neither the name of Google Inc. nor the names of its\n// contributors may be used to endorse or promote products derived from\n// this software without specific prior written permission.\n//\n// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n// \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n\nimport _Event from '../events/Event.js';\n\n\n/**\n * Is the `buttons` property supported?\n * @type {boolean}\n */\nvar HAS_BUTTONS = false;\n\n\nvar PointerEvent = /*@__PURE__*/(function (_Event) {\n function PointerEvent(type, originalEvent, opt_eventDict) {\n _Event.call(this, type);\n\n /**\n * @const\n * @type {Event}\n */\n this.originalEvent = originalEvent;\n\n var eventDict = opt_eventDict ? opt_eventDict : {};\n\n /**\n * @type {number}\n */\n this.buttons = getButtons(eventDict);\n\n /**\n * @type {number}\n */\n this.pressure = getPressure(eventDict, this.buttons);\n\n // MouseEvent related properties\n\n /**\n * @type {boolean}\n */\n this.bubbles = 'bubbles' in eventDict ? eventDict['bubbles'] : false;\n\n /**\n * @type {boolean}\n */\n this.cancelable = 'cancelable' in eventDict ? eventDict['cancelable'] : false;\n\n /**\n * @type {Object}\n */\n this.view = 'view' in eventDict ? eventDict['view'] : null;\n\n /**\n * @type {number}\n */\n this.detail = 'detail' in eventDict ? eventDict['detail'] : null;\n\n /**\n * @type {number}\n */\n this.screenX = 'screenX' in eventDict ? eventDict['screenX'] : 0;\n\n /**\n * @type {number}\n */\n this.screenY = 'screenY' in eventDict ? eventDict['screenY'] : 0;\n\n /**\n * @type {number}\n */\n this.clientX = 'clientX' in eventDict ? eventDict['clientX'] : 0;\n\n /**\n * @type {number}\n */\n this.clientY = 'clientY' in eventDict ? eventDict['clientY'] : 0;\n\n /**\n * @type {boolean}\n */\n this.ctrlKey = 'ctrlKey' in eventDict ? eventDict['ctrlKey'] : false;\n\n /**\n * @type {boolean}\n */\n this.altKey = 'altKey' in eventDict ? eventDict['altKey'] : false;\n\n /**\n * @type {boolean}\n */\n this.shiftKey = 'shiftKey' in eventDict ? eventDict['shiftKey'] : false;\n\n /**\n * @type {boolean}\n */\n this.metaKey = 'metaKey' in eventDict ? eventDict['metaKey'] : false;\n\n /**\n * @type {number}\n */\n this.button = 'button' in eventDict ? eventDict['button'] : 0;\n\n /**\n * @type {Node}\n */\n this.relatedTarget = 'relatedTarget' in eventDict ?\n eventDict['relatedTarget'] : null;\n\n // PointerEvent related properties\n\n /**\n * @const\n * @type {number}\n */\n this.pointerId = 'pointerId' in eventDict ? eventDict['pointerId'] : 0;\n\n /**\n * @type {number}\n */\n this.width = 'width' in eventDict ? eventDict['width'] : 0;\n\n /**\n * @type {number}\n */\n this.height = 'height' in eventDict ? eventDict['height'] : 0;\n\n /**\n * @type {number}\n */\n this.tiltX = 'tiltX' in eventDict ? eventDict['tiltX'] : 0;\n\n /**\n * @type {number}\n */\n this.tiltY = 'tiltY' in eventDict ? eventDict['tiltY'] : 0;\n\n /**\n * @type {string}\n */\n this.pointerType = 'pointerType' in eventDict ? eventDict['pointerType'] : '';\n\n /**\n * @type {number}\n */\n this.hwTimestamp = 'hwTimestamp' in eventDict ? eventDict['hwTimestamp'] : 0;\n\n /**\n * @type {boolean}\n */\n this.isPrimary = 'isPrimary' in eventDict ? eventDict['isPrimary'] : false;\n\n // keep the semantics of preventDefault\n if (originalEvent.preventDefault) {\n this.preventDefault = function() {\n originalEvent.preventDefault();\n };\n }\n }\n\n if ( _Event ) PointerEvent.__proto__ = _Event;\n PointerEvent.prototype = Object.create( _Event && _Event.prototype );\n PointerEvent.prototype.constructor = PointerEvent;\n\n return PointerEvent;\n}(_Event));\n\n\n/**\n * @param {Object} eventDict The event dictionary.\n * @return {number} Button indicator.\n */\nfunction getButtons(eventDict) {\n // According to the w3c spec,\n // http://www.w3.org/TR/DOM-Level-3-Events/#events-MouseEvent-button\n // MouseEvent.button == 0 can mean either no mouse button depressed, or the\n // left mouse button depressed.\n //\n // As of now, the only way to distinguish between the two states of\n // MouseEvent.button is by using the deprecated MouseEvent.which property, as\n // this maps mouse buttons to positive integers > 0, and uses 0 to mean that\n // no mouse button is held.\n //\n // MouseEvent.which is derived from MouseEvent.button at MouseEvent creation,\n // but initMouseEvent does not expose an argument with which to set\n // MouseEvent.which. Calling initMouseEvent with a buttonArg of 0 will set\n // MouseEvent.button == 0 and MouseEvent.which == 1, breaking the expectations\n // of app developers.\n //\n // The only way to propagate the correct state of MouseEvent.which and\n // MouseEvent.button to a new MouseEvent.button == 0 and MouseEvent.which == 0\n // is to call initMouseEvent with a buttonArg value of -1.\n //\n // This is fixed with DOM Level 4's use of buttons\n var buttons;\n if (eventDict.buttons || HAS_BUTTONS) {\n buttons = eventDict.buttons;\n } else {\n switch (eventDict.which) {\n case 1: buttons = 1; break;\n case 2: buttons = 4; break;\n case 3: buttons = 2; break;\n default: buttons = 0;\n }\n }\n return buttons;\n}\n\n\n/**\n * @param {Object} eventDict The event dictionary.\n * @param {number} buttons Button indicator.\n * @return {number} The pressure.\n */\nfunction getPressure(eventDict, buttons) {\n // Spec requires that pointers without pressure specified use 0.5 for down\n // state and 0 for up state.\n var pressure = 0;\n if (eventDict.pressure) {\n pressure = eventDict.pressure;\n } else {\n pressure = buttons ? 0.5 : 0;\n }\n return pressure;\n}\n\n\n/**\n * Checks if the `buttons` property is supported.\n */\n(function() {\n try {\n var ev = new MouseEvent('click', {buttons: 1});\n HAS_BUTTONS = ev.buttons === 1;\n } catch (e) {\n // pass\n }\n})();\n\nexport default PointerEvent;\n\n//# sourceMappingURL=PointerEvent.js.map","/**\n * @module ol/pointer/TouchSource\n */\n\n// Based on https://github.com/Polymer/PointerEvents\n\n// Copyright (c) 2013 The Polymer Authors. All rights reserved.\n//\n// Redistribution and use in source and binary forms, with or without\n// modification, are permitted provided that the following conditions are\n// met:\n//\n// * Redistributions of source code must retain the above copyright\n// notice, this list of conditions and the following disclaimer.\n// * Redistributions in binary form must reproduce the above\n// copyright notice, this list of conditions and the following disclaimer\n// in the documentation and/or other materials provided with the\n// distribution.\n// * Neither the name of Google Inc. nor the names of its\n// contributors may be used to endorse or promote products derived from\n// this software without specific prior written permission.\n//\n// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n// \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n\nimport {remove} from '../array.js';\nimport EventSource from './EventSource.js';\nimport {POINTER_ID} from './MouseSource.js';\n\n\n/**\n * @type {number}\n */\nvar CLICK_COUNT_TIMEOUT = 200;\n\n/**\n * @type {string}\n */\nvar POINTER_TYPE = 'touch';\n\n/**\n * Handler for `touchstart`, triggers `pointerover`,\n * `pointerenter` and `pointerdown` events.\n *\n * @this {TouchSource}\n * @param {TouchEvent} inEvent The in event.\n */\nfunction touchstart(inEvent) {\n this.vacuumTouches_(inEvent);\n this.setPrimaryTouch_(inEvent.changedTouches[0]);\n this.dedupSynthMouse_(inEvent);\n this.clickCount_++;\n this.processTouches_(inEvent, this.overDown_);\n}\n\n/**\n * Handler for `touchmove`.\n *\n * @this {TouchSource}\n * @param {TouchEvent} inEvent The in event.\n */\nfunction touchmove(inEvent) {\n this.processTouches_(inEvent, this.moveOverOut_);\n}\n\n/**\n * Handler for `touchend`, triggers `pointerup`,\n * `pointerout` and `pointerleave` events.\n *\n * @this {TouchSource}\n * @param {TouchEvent} inEvent The event.\n */\nfunction touchend(inEvent) {\n this.dedupSynthMouse_(inEvent);\n this.processTouches_(inEvent, this.upOut_);\n}\n\n/**\n * Handler for `touchcancel`, triggers `pointercancel`,\n * `pointerout` and `pointerleave` events.\n *\n * @this {TouchSource}\n * @param {TouchEvent} inEvent The in event.\n */\nfunction touchcancel(inEvent) {\n this.processTouches_(inEvent, this.cancelOut_);\n}\n\n\nvar TouchSource = /*@__PURE__*/(function (EventSource) {\n function TouchSource(dispatcher, mouseSource) {\n var mapping = {\n 'touchstart': touchstart,\n 'touchmove': touchmove,\n 'touchend': touchend,\n 'touchcancel': touchcancel\n };\n EventSource.call(this, dispatcher, mapping);\n\n /**\n * @const\n * @type {!Object}\n */\n this.pointerMap = dispatcher.pointerMap;\n\n /**\n * @const\n * @type {import(\"./MouseSource.js\").default}\n */\n this.mouseSource = mouseSource;\n\n /**\n * @private\n * @type {number|undefined}\n */\n this.firstTouchId_ = undefined;\n\n /**\n * @private\n * @type {number}\n */\n this.clickCount_ = 0;\n\n /**\n * @private\n * @type {?}\n */\n this.resetId_;\n\n /**\n * Mouse event timeout: This should be long enough to\n * ignore compat mouse events made by touch.\n * @private\n * @type {number}\n */\n this.dedupTimeout_ = 2500;\n }\n\n if ( EventSource ) TouchSource.__proto__ = EventSource;\n TouchSource.prototype = Object.create( EventSource && EventSource.prototype );\n TouchSource.prototype.constructor = TouchSource;\n\n /**\n * @private\n * @param {Touch} inTouch The in touch.\n * @return {boolean} True, if this is the primary touch.\n */\n TouchSource.prototype.isPrimaryTouch_ = function isPrimaryTouch_ (inTouch) {\n return this.firstTouchId_ === inTouch.identifier;\n };\n\n /**\n * Set primary touch if there are no pointers, or the only pointer is the mouse.\n * @param {Touch} inTouch The in touch.\n * @private\n */\n TouchSource.prototype.setPrimaryTouch_ = function setPrimaryTouch_ (inTouch) {\n var count = Object.keys(this.pointerMap).length;\n if (count === 0 || (count === 1 && POINTER_ID.toString() in this.pointerMap)) {\n this.firstTouchId_ = inTouch.identifier;\n this.cancelResetClickCount_();\n }\n };\n\n /**\n * @private\n * @param {PointerEvent} inPointer The in pointer object.\n */\n TouchSource.prototype.removePrimaryPointer_ = function removePrimaryPointer_ (inPointer) {\n if (inPointer.isPrimary) {\n this.firstTouchId_ = undefined;\n this.resetClickCount_();\n }\n };\n\n /**\n * @private\n */\n TouchSource.prototype.resetClickCount_ = function resetClickCount_ () {\n this.resetId_ = setTimeout(\n this.resetClickCountHandler_.bind(this),\n CLICK_COUNT_TIMEOUT);\n };\n\n /**\n * @private\n */\n TouchSource.prototype.resetClickCountHandler_ = function resetClickCountHandler_ () {\n this.clickCount_ = 0;\n this.resetId_ = undefined;\n };\n\n /**\n * @private\n */\n TouchSource.prototype.cancelResetClickCount_ = function cancelResetClickCount_ () {\n if (this.resetId_ !== undefined) {\n clearTimeout(this.resetId_);\n }\n };\n\n /**\n * @private\n * @param {TouchEvent} browserEvent Browser event\n * @param {Touch} inTouch Touch event\n * @return {PointerEvent} A pointer object.\n */\n TouchSource.prototype.touchToPointer_ = function touchToPointer_ (browserEvent, inTouch) {\n var e = this.dispatcher.cloneEvent(browserEvent, inTouch);\n // Spec specifies that pointerId 1 is reserved for Mouse.\n // Touch identifiers can start at 0.\n // Add 2 to the touch identifier for compatibility.\n e.pointerId = inTouch.identifier + 2;\n // TODO: check if this is necessary?\n //e.target = findTarget(e);\n e.bubbles = true;\n e.cancelable = true;\n e.detail = this.clickCount_;\n e.button = 0;\n e.buttons = 1;\n e.width = inTouch.radiusX || 0;\n e.height = inTouch.radiusY || 0;\n e.pressure = inTouch.force || 0.5;\n e.isPrimary = this.isPrimaryTouch_(inTouch);\n e.pointerType = POINTER_TYPE;\n\n // make sure that the properties that are different for\n // each `Touch` object are not copied from the BrowserEvent object\n e.clientX = inTouch.clientX;\n e.clientY = inTouch.clientY;\n e.screenX = inTouch.screenX;\n e.screenY = inTouch.screenY;\n\n return e;\n };\n\n /**\n * @private\n * @param {TouchEvent} inEvent Touch event\n * @param {function(TouchEvent, PointerEvent)} inFunction In function.\n */\n TouchSource.prototype.processTouches_ = function processTouches_ (inEvent, inFunction) {\n var touches = Array.prototype.slice.call(inEvent.changedTouches);\n var count = touches.length;\n function preventDefault() {\n inEvent.preventDefault();\n }\n for (var i = 0; i < count; ++i) {\n var pointer = this.touchToPointer_(inEvent, touches[i]);\n // forward touch preventDefaults\n pointer.preventDefault = preventDefault;\n inFunction.call(this, inEvent, pointer);\n }\n };\n\n /**\n * @private\n * @param {TouchList} touchList The touch list.\n * @param {number} searchId Search identifier.\n * @return {boolean} True, if the `Touch` with the given id is in the list.\n */\n TouchSource.prototype.findTouch_ = function findTouch_ (touchList, searchId) {\n var l = touchList.length;\n for (var i = 0; i < l; i++) {\n var touch = touchList[i];\n if (touch.identifier === searchId) {\n return true;\n }\n }\n return false;\n };\n\n /**\n * In some instances, a touchstart can happen without a touchend. This\n * leaves the pointermap in a broken state.\n * Therefore, on every touchstart, we remove the touches that did not fire a\n * touchend event.\n * To keep state globally consistent, we fire a pointercancel for\n * this \"abandoned\" touch\n *\n * @private\n * @param {TouchEvent} inEvent The in event.\n */\n TouchSource.prototype.vacuumTouches_ = function vacuumTouches_ (inEvent) {\n var touchList = inEvent.touches;\n // pointerMap.getCount() should be < touchList.length here,\n // as the touchstart has not been processed yet.\n var keys = Object.keys(this.pointerMap);\n var count = keys.length;\n if (count >= touchList.length) {\n var d = [];\n for (var i = 0; i < count; ++i) {\n var key = Number(keys[i]);\n var value = this.pointerMap[key];\n // Never remove pointerId == 1, which is mouse.\n // Touch identifiers are 2 smaller than their pointerId, which is the\n // index in pointermap.\n if (key != POINTER_ID && !this.findTouch_(touchList, key - 2)) {\n d.push(value.out);\n }\n }\n for (var i$1 = 0; i$1 < d.length; ++i$1) {\n this.cancelOut_(inEvent, d[i$1]);\n }\n }\n };\n\n /**\n * @private\n * @param {TouchEvent} browserEvent The event.\n * @param {PointerEvent} inPointer The in pointer object.\n */\n TouchSource.prototype.overDown_ = function overDown_ (browserEvent, inPointer) {\n this.pointerMap[inPointer.pointerId] = {\n target: inPointer.target,\n out: inPointer,\n outTarget: inPointer.target\n };\n this.dispatcher.over(inPointer, browserEvent);\n this.dispatcher.enter(inPointer, browserEvent);\n this.dispatcher.down(inPointer, browserEvent);\n };\n\n /**\n * @private\n * @param {TouchEvent} browserEvent The event.\n * @param {PointerEvent} inPointer The in pointer.\n */\n TouchSource.prototype.moveOverOut_ = function moveOverOut_ (browserEvent, inPointer) {\n var event = inPointer;\n var pointer = this.pointerMap[event.pointerId];\n // a finger drifted off the screen, ignore it\n if (!pointer) {\n return;\n }\n var outEvent = pointer.out;\n var outTarget = pointer.outTarget;\n this.dispatcher.move(event, browserEvent);\n if (outEvent && outTarget !== event.target) {\n outEvent.relatedTarget = event.target;\n /** @type {Object} */ (event).relatedTarget = outTarget;\n // recover from retargeting by shadow\n outEvent.target = outTarget;\n if (event.target) {\n this.dispatcher.leaveOut(outEvent, browserEvent);\n this.dispatcher.enterOver(event, browserEvent);\n } else {\n // clean up case when finger leaves the screen\n /** @type {Object} */ (event).target = outTarget;\n /** @type {Object} */ (event).relatedTarget = null;\n this.cancelOut_(browserEvent, event);\n }\n }\n pointer.out = event;\n pointer.outTarget = event.target;\n };\n\n /**\n * @private\n * @param {TouchEvent} browserEvent An event.\n * @param {PointerEvent} inPointer The inPointer object.\n */\n TouchSource.prototype.upOut_ = function upOut_ (browserEvent, inPointer) {\n this.dispatcher.up(inPointer, browserEvent);\n this.dispatcher.out(inPointer, browserEvent);\n this.dispatcher.leave(inPointer, browserEvent);\n this.cleanUpPointer_(inPointer);\n };\n\n /**\n * @private\n * @param {TouchEvent} browserEvent The event.\n * @param {PointerEvent} inPointer The in pointer.\n */\n TouchSource.prototype.cancelOut_ = function cancelOut_ (browserEvent, inPointer) {\n this.dispatcher.cancel(inPointer, browserEvent);\n this.dispatcher.out(inPointer, browserEvent);\n this.dispatcher.leave(inPointer, browserEvent);\n this.cleanUpPointer_(inPointer);\n };\n\n /**\n * @private\n * @param {PointerEvent} inPointer The inPointer object.\n */\n TouchSource.prototype.cleanUpPointer_ = function cleanUpPointer_ (inPointer) {\n delete this.pointerMap[inPointer.pointerId];\n this.removePrimaryPointer_(inPointer);\n };\n\n /**\n * Prevent synth mouse events from creating pointer events.\n *\n * @private\n * @param {TouchEvent} inEvent The in event.\n */\n TouchSource.prototype.dedupSynthMouse_ = function dedupSynthMouse_ (inEvent) {\n var lts = this.mouseSource.lastTouches;\n var t = inEvent.changedTouches[0];\n // only the primary finger will synth mouse events\n if (this.isPrimaryTouch_(t)) {\n // remember x/y of last touch\n var lt = [t.clientX, t.clientY];\n lts.push(lt);\n\n setTimeout(function() {\n // remove touch after timeout\n remove(lts, lt);\n }, this.dedupTimeout_);\n }\n };\n\n return TouchSource;\n}(EventSource));\n\nexport default TouchSource;\n\n//# sourceMappingURL=TouchSource.js.map","/**\n * @module ol/pointer/PointerEventHandler\n */\n\n// Based on https://github.com/Polymer/PointerEvents\n\n// Copyright (c) 2013 The Polymer Authors. All rights reserved.\n//\n// Redistribution and use in source and binary forms, with or without\n// modification, are permitted provided that the following conditions are\n// met:\n//\n// * Redistributions of source code must retain the above copyright\n// notice, this list of conditions and the following disclaimer.\n// * Redistributions in binary form must reproduce the above\n// copyright notice, this list of conditions and the following disclaimer\n// in the documentation and/or other materials provided with the\n// distribution.\n// * Neither the name of Google Inc. nor the names of its\n// contributors may be used to endorse or promote products derived from\n// this software without specific prior written permission.\n//\n// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n// \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n\nimport {listen, unlisten} from '../events.js';\nimport EventTarget from '../events/Target.js';\nimport {POINTER, MSPOINTER, TOUCH} from '../has.js';\nimport PointerEventType from './EventType.js';\nimport MouseSource, {prepareEvent as prepareMouseEvent} from './MouseSource.js';\nimport MsSource from './MsSource.js';\nimport NativeSource from './NativeSource.js';\nimport PointerEvent from './PointerEvent.js';\nimport TouchSource from './TouchSource.js';\n\n\n/**\n * Properties to copy when cloning an event, with default values.\n * @type {Array}\n */\nvar CLONE_PROPS = [\n // MouseEvent\n ['bubbles', false],\n ['cancelable', false],\n ['view', null],\n ['detail', null],\n ['screenX', 0],\n ['screenY', 0],\n ['clientX', 0],\n ['clientY', 0],\n ['ctrlKey', false],\n ['altKey', false],\n ['shiftKey', false],\n ['metaKey', false],\n ['button', 0],\n ['relatedTarget', null],\n // DOM Level 3\n ['buttons', 0],\n // PointerEvent\n ['pointerId', 0],\n ['width', 0],\n ['height', 0],\n ['pressure', 0],\n ['tiltX', 0],\n ['tiltY', 0],\n ['pointerType', ''],\n ['hwTimestamp', 0],\n ['isPrimary', false],\n // event instance\n ['type', ''],\n ['target', null],\n ['currentTarget', null],\n ['which', 0]\n];\n\n\nvar PointerEventHandler = /*@__PURE__*/(function (EventTarget) {\n function PointerEventHandler(element) {\n EventTarget.call(this);\n\n /**\n * @const\n * @private\n * @type {Element|HTMLDocument}\n */\n this.element_ = element;\n\n /**\n * @const\n * @type {!Object}\n */\n this.pointerMap = {};\n\n /**\n * @type {Object}\n * @private\n */\n this.eventMap_ = {};\n\n /**\n * @type {Array}\n * @private\n */\n this.eventSourceList_ = [];\n\n this.registerSources();\n }\n\n if ( EventTarget ) PointerEventHandler.__proto__ = EventTarget;\n PointerEventHandler.prototype = Object.create( EventTarget && EventTarget.prototype );\n PointerEventHandler.prototype.constructor = PointerEventHandler;\n\n /**\n * Set up the event sources (mouse, touch and native pointers)\n * that generate pointer events.\n */\n PointerEventHandler.prototype.registerSources = function registerSources () {\n if (POINTER) {\n this.registerSource('native', new NativeSource(this));\n } else if (MSPOINTER) {\n this.registerSource('ms', new MsSource(this));\n } else {\n var mouseSource = new MouseSource(this);\n this.registerSource('mouse', mouseSource);\n\n if (TOUCH) {\n this.registerSource('touch', new TouchSource(this, mouseSource));\n }\n }\n\n // register events on the viewport element\n this.register_();\n };\n\n /**\n * Add a new event source that will generate pointer events.\n *\n * @param {string} name A name for the event source\n * @param {import(\"./EventSource.js\").default} source The source event.\n */\n PointerEventHandler.prototype.registerSource = function registerSource (name, source) {\n var s = source;\n var newEvents = s.getEvents();\n\n if (newEvents) {\n newEvents.forEach(function(e) {\n var handler = s.getHandlerForEvent(e);\n\n if (handler) {\n this.eventMap_[e] = handler.bind(s);\n }\n }.bind(this));\n this.eventSourceList_.push(s);\n }\n };\n\n /**\n * Set up the events for all registered event sources.\n * @private\n */\n PointerEventHandler.prototype.register_ = function register_ () {\n var l = this.eventSourceList_.length;\n for (var i = 0; i < l; i++) {\n var eventSource = this.eventSourceList_[i];\n this.addEvents_(eventSource.getEvents());\n }\n };\n\n /**\n * Remove all registered events.\n * @private\n */\n PointerEventHandler.prototype.unregister_ = function unregister_ () {\n var l = this.eventSourceList_.length;\n for (var i = 0; i < l; i++) {\n var eventSource = this.eventSourceList_[i];\n this.removeEvents_(eventSource.getEvents());\n }\n };\n\n /**\n * Calls the right handler for a new event.\n * @private\n * @param {Event} inEvent Browser event.\n */\n PointerEventHandler.prototype.eventHandler_ = function eventHandler_ (inEvent) {\n var type = inEvent.type;\n var handler = this.eventMap_[type];\n if (handler) {\n handler(inEvent);\n }\n };\n\n /**\n * Setup listeners for the given events.\n * @private\n * @param {Array} events List of events.\n */\n PointerEventHandler.prototype.addEvents_ = function addEvents_ (events) {\n events.forEach(function(eventName) {\n listen(this.element_, eventName, this.eventHandler_, this);\n }.bind(this));\n };\n\n /**\n * Unregister listeners for the given events.\n * @private\n * @param {Array} events List of events.\n */\n PointerEventHandler.prototype.removeEvents_ = function removeEvents_ (events) {\n events.forEach(function(e) {\n unlisten(this.element_, e, this.eventHandler_, this);\n }.bind(this));\n };\n\n /**\n * Returns a snapshot of inEvent, with writable properties.\n *\n * @param {Event} event Browser event.\n * @param {Event|Touch} inEvent An event that contains\n * properties to copy.\n * @return {Object} An object containing shallow copies of\n * `inEvent`'s properties.\n */\n PointerEventHandler.prototype.cloneEvent = function cloneEvent (event, inEvent) {\n var eventCopy = {};\n for (var i = 0, ii = CLONE_PROPS.length; i < ii; i++) {\n var p = CLONE_PROPS[i][0];\n eventCopy[p] = event[p] || inEvent[p] || CLONE_PROPS[i][1];\n }\n\n return eventCopy;\n };\n\n // EVENTS\n\n\n /**\n * Triggers a 'pointerdown' event.\n * @param {Object} data Pointer event data.\n * @param {Event} event The event.\n */\n PointerEventHandler.prototype.down = function down (data, event) {\n this.fireEvent(PointerEventType.POINTERDOWN, data, event);\n };\n\n /**\n * Triggers a 'pointermove' event.\n * @param {Object} data Pointer event data.\n * @param {Event} event The event.\n */\n PointerEventHandler.prototype.move = function move (data, event) {\n this.fireEvent(PointerEventType.POINTERMOVE, data, event);\n };\n\n /**\n * Triggers a 'pointerup' event.\n * @param {Object} data Pointer event data.\n * @param {Event} event The event.\n */\n PointerEventHandler.prototype.up = function up (data, event) {\n this.fireEvent(PointerEventType.POINTERUP, data, event);\n };\n\n /**\n * Triggers a 'pointerenter' event.\n * @param {Object} data Pointer event data.\n * @param {Event} event The event.\n */\n PointerEventHandler.prototype.enter = function enter (data, event) {\n data.bubbles = false;\n this.fireEvent(PointerEventType.POINTERENTER, data, event);\n };\n\n /**\n * Triggers a 'pointerleave' event.\n * @param {Object} data Pointer event data.\n * @param {Event} event The event.\n */\n PointerEventHandler.prototype.leave = function leave (data, event) {\n data.bubbles = false;\n this.fireEvent(PointerEventType.POINTERLEAVE, data, event);\n };\n\n /**\n * Triggers a 'pointerover' event.\n * @param {Object} data Pointer event data.\n * @param {Event} event The event.\n */\n PointerEventHandler.prototype.over = function over (data, event) {\n data.bubbles = true;\n this.fireEvent(PointerEventType.POINTEROVER, data, event);\n };\n\n /**\n * Triggers a 'pointerout' event.\n * @param {Object} data Pointer event data.\n * @param {Event} event The event.\n */\n PointerEventHandler.prototype.out = function out (data, event) {\n data.bubbles = true;\n this.fireEvent(PointerEventType.POINTEROUT, data, event);\n };\n\n /**\n * Triggers a 'pointercancel' event.\n * @param {Object} data Pointer event data.\n * @param {Event} event The event.\n */\n PointerEventHandler.prototype.cancel = function cancel (data, event) {\n this.fireEvent(PointerEventType.POINTERCANCEL, data, event);\n };\n\n /**\n * Triggers a combination of 'pointerout' and 'pointerleave' events.\n * @param {Object} data Pointer event data.\n * @param {Event} event The event.\n */\n PointerEventHandler.prototype.leaveOut = function leaveOut (data, event) {\n this.out(data, event);\n if (!this.contains_(data.target, data.relatedTarget)) {\n this.leave(data, event);\n }\n };\n\n /**\n * Triggers a combination of 'pointerover' and 'pointerevents' events.\n * @param {Object} data Pointer event data.\n * @param {Event} event The event.\n */\n PointerEventHandler.prototype.enterOver = function enterOver (data, event) {\n this.over(data, event);\n if (!this.contains_(data.target, data.relatedTarget)) {\n this.enter(data, event);\n }\n };\n\n /**\n * @private\n * @param {Element} container The container element.\n * @param {Element} contained The contained element.\n * @return {boolean} Returns true if the container element\n * contains the other element.\n */\n PointerEventHandler.prototype.contains_ = function contains_ (container, contained) {\n if (!container || !contained) {\n return false;\n }\n return container.contains(contained);\n };\n\n // EVENT CREATION AND TRACKING\n /**\n * Creates a new Event of type `inType`, based on the information in\n * `data`.\n *\n * @param {string} inType A string representing the type of event to create.\n * @param {Object} data Pointer event data.\n * @param {Event} event The event.\n * @return {PointerEvent} A PointerEvent of type `inType`.\n */\n PointerEventHandler.prototype.makeEvent = function makeEvent (inType, data, event) {\n return new PointerEvent(inType, event, data);\n };\n\n /**\n * Make and dispatch an event in one call.\n * @param {string} inType A string representing the type of event.\n * @param {Object} data Pointer event data.\n * @param {Event} event The event.\n */\n PointerEventHandler.prototype.fireEvent = function fireEvent (inType, data, event) {\n var e = this.makeEvent(inType, data, event);\n this.dispatchEvent(e);\n };\n\n /**\n * Creates a pointer event from a native pointer event\n * and dispatches this event.\n * @param {Event} event A platform event with a target.\n */\n PointerEventHandler.prototype.fireNativeEvent = function fireNativeEvent (event) {\n var e = this.makeEvent(event.type, event, event);\n this.dispatchEvent(e);\n };\n\n /**\n * Wrap a native mouse event into a pointer event.\n * This proxy method is required for the legacy IE support.\n * @param {string} eventType The pointer event type.\n * @param {Event} event The event.\n * @return {PointerEvent} The wrapped event.\n */\n PointerEventHandler.prototype.wrapMouseEvent = function wrapMouseEvent (eventType, event) {\n var pointerEvent = this.makeEvent(\n eventType, prepareMouseEvent(event, this), event);\n return pointerEvent;\n };\n\n /**\n * @inheritDoc\n */\n PointerEventHandler.prototype.disposeInternal = function disposeInternal () {\n this.unregister_();\n EventTarget.prototype.disposeInternal.call(this);\n };\n\n return PointerEventHandler;\n}(EventTarget));\n\nexport default PointerEventHandler;\n\n//# sourceMappingURL=PointerEventHandler.js.map","/**\n * @module ol/geom/flat/area\n */\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @return {number} Area.\n */\nexport function linearRing(flatCoordinates, offset, end, stride) {\n var twiceArea = 0;\n var x1 = flatCoordinates[end - stride];\n var y1 = flatCoordinates[end - stride + 1];\n for (; offset < end; offset += stride) {\n var x2 = flatCoordinates[offset];\n var y2 = flatCoordinates[offset + 1];\n twiceArea += y1 * x2 - x1 * y2;\n x1 = x2;\n y1 = y2;\n }\n return twiceArea / 2;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array} ends Ends.\n * @param {number} stride Stride.\n * @return {number} Area.\n */\nexport function linearRings(flatCoordinates, offset, ends, stride) {\n var area = 0;\n for (var i = 0, ii = ends.length; i < ii; ++i) {\n var end = ends[i];\n area += linearRing(flatCoordinates, offset, end, stride);\n offset = end;\n }\n return area;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array>} endss Endss.\n * @param {number} stride Stride.\n * @return {number} Area.\n */\nexport function linearRingss(flatCoordinates, offset, endss, stride) {\n var area = 0;\n for (var i = 0, ii = endss.length; i < ii; ++i) {\n var ends = endss[i];\n area += linearRings(flatCoordinates, offset, ends, stride);\n offset = ends[ends.length - 1];\n }\n return area;\n}\n\n//# sourceMappingURL=area.js.map","/**\n * @module ol/geom/LinearRing\n */\nimport {closestSquaredDistanceXY} from '../extent.js';\nimport GeometryLayout from './GeometryLayout.js';\nimport GeometryType from './GeometryType.js';\nimport SimpleGeometry from './SimpleGeometry.js';\nimport {linearRing as linearRingArea} from './flat/area.js';\nimport {assignClosestPoint, maxSquaredDelta} from './flat/closest.js';\nimport {deflateCoordinates} from './flat/deflate.js';\nimport {inflateCoordinates} from './flat/inflate.js';\nimport {douglasPeucker} from './flat/simplify.js';\n\n/**\n * @classdesc\n * Linear ring geometry. Only used as part of polygon; cannot be rendered\n * on its own.\n *\n * @api\n */\nvar LinearRing = /*@__PURE__*/(function (SimpleGeometry) {\n function LinearRing(coordinates, opt_layout) {\n\n SimpleGeometry.call(this);\n\n /**\n * @private\n * @type {number}\n */\n this.maxDelta_ = -1;\n\n /**\n * @private\n * @type {number}\n */\n this.maxDeltaRevision_ = -1;\n\n if (opt_layout !== undefined && !Array.isArray(coordinates[0])) {\n this.setFlatCoordinates(opt_layout, /** @type {Array} */ (coordinates));\n } else {\n this.setCoordinates(/** @type {Array} */ (coordinates), opt_layout);\n }\n\n }\n\n if ( SimpleGeometry ) LinearRing.__proto__ = SimpleGeometry;\n LinearRing.prototype = Object.create( SimpleGeometry && SimpleGeometry.prototype );\n LinearRing.prototype.constructor = LinearRing;\n\n /**\n * Make a complete copy of the geometry.\n * @return {!LinearRing} Clone.\n * @override\n * @api\n */\n LinearRing.prototype.clone = function clone () {\n return new LinearRing(this.flatCoordinates.slice(), this.layout);\n };\n\n /**\n * @inheritDoc\n */\n LinearRing.prototype.closestPointXY = function closestPointXY (x, y, closestPoint, minSquaredDistance) {\n if (minSquaredDistance < closestSquaredDistanceXY(this.getExtent(), x, y)) {\n return minSquaredDistance;\n }\n if (this.maxDeltaRevision_ != this.getRevision()) {\n this.maxDelta_ = Math.sqrt(maxSquaredDelta(\n this.flatCoordinates, 0, this.flatCoordinates.length, this.stride, 0));\n this.maxDeltaRevision_ = this.getRevision();\n }\n return assignClosestPoint(\n this.flatCoordinates, 0, this.flatCoordinates.length, this.stride,\n this.maxDelta_, true, x, y, closestPoint, minSquaredDistance);\n };\n\n /**\n * Return the area of the linear ring on projected plane.\n * @return {number} Area (on projected plane).\n * @api\n */\n LinearRing.prototype.getArea = function getArea () {\n return linearRingArea(this.flatCoordinates, 0, this.flatCoordinates.length, this.stride);\n };\n\n /**\n * Return the coordinates of the linear ring.\n * @return {Array} Coordinates.\n * @override\n * @api\n */\n LinearRing.prototype.getCoordinates = function getCoordinates () {\n return inflateCoordinates(\n this.flatCoordinates, 0, this.flatCoordinates.length, this.stride);\n };\n\n /**\n * @inheritDoc\n */\n LinearRing.prototype.getSimplifiedGeometryInternal = function getSimplifiedGeometryInternal (squaredTolerance) {\n var simplifiedFlatCoordinates = [];\n simplifiedFlatCoordinates.length = douglasPeucker(\n this.flatCoordinates, 0, this.flatCoordinates.length, this.stride,\n squaredTolerance, simplifiedFlatCoordinates, 0);\n return new LinearRing(simplifiedFlatCoordinates, GeometryLayout.XY);\n };\n\n /**\n * @inheritDoc\n * @api\n */\n LinearRing.prototype.getType = function getType () {\n return GeometryType.LINEAR_RING;\n };\n\n /**\n * @inheritDoc\n */\n LinearRing.prototype.intersectsExtent = function intersectsExtent (extent) {\n return false;\n };\n\n /**\n * Set the coordinates of the linear ring.\n * @param {!Array} coordinates Coordinates.\n * @param {GeometryLayout=} opt_layout Layout.\n * @override\n * @api\n */\n LinearRing.prototype.setCoordinates = function setCoordinates (coordinates, opt_layout) {\n this.setLayout(opt_layout, coordinates, 1);\n if (!this.flatCoordinates) {\n this.flatCoordinates = [];\n }\n this.flatCoordinates.length = deflateCoordinates(\n this.flatCoordinates, 0, coordinates, this.stride);\n this.changed();\n };\n\n return LinearRing;\n}(SimpleGeometry));\n\n\nexport default LinearRing;\n\n//# sourceMappingURL=LinearRing.js.map","/**\n * @module ol/geom/flat/interiorpoint\n */\nimport {numberSafeCompareFunction} from '../../array.js';\nimport {linearRingsContainsXY} from './contains.js';\n\n\n/**\n * Calculates a point that is likely to lie in the interior of the linear rings.\n * Inspired by JTS's com.vividsolutions.jts.geom.Geometry#getInteriorPoint.\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array} ends Ends.\n * @param {number} stride Stride.\n * @param {Array} flatCenters Flat centers.\n * @param {number} flatCentersOffset Flat center offset.\n * @param {Array=} opt_dest Destination.\n * @return {Array} Destination point as XYM coordinate, where M is the\n * length of the horizontal intersection that the point belongs to.\n */\nexport function getInteriorPointOfArray(flatCoordinates, offset,\n ends, stride, flatCenters, flatCentersOffset, opt_dest) {\n var i, ii, x, x1, x2, y1, y2;\n var y = flatCenters[flatCentersOffset + 1];\n /** @type {Array} */\n var intersections = [];\n // Calculate intersections with the horizontal line\n for (var r = 0, rr = ends.length; r < rr; ++r) {\n var end = ends[r];\n x1 = flatCoordinates[end - stride];\n y1 = flatCoordinates[end - stride + 1];\n for (i = offset; i < end; i += stride) {\n x2 = flatCoordinates[i];\n y2 = flatCoordinates[i + 1];\n if ((y <= y1 && y2 <= y) || (y1 <= y && y <= y2)) {\n x = (y - y1) / (y2 - y1) * (x2 - x1) + x1;\n intersections.push(x);\n }\n x1 = x2;\n y1 = y2;\n }\n }\n // Find the longest segment of the horizontal line that has its center point\n // inside the linear ring.\n var pointX = NaN;\n var maxSegmentLength = -Infinity;\n intersections.sort(numberSafeCompareFunction);\n x1 = intersections[0];\n for (i = 1, ii = intersections.length; i < ii; ++i) {\n x2 = intersections[i];\n var segmentLength = Math.abs(x2 - x1);\n if (segmentLength > maxSegmentLength) {\n x = (x1 + x2) / 2;\n if (linearRingsContainsXY(flatCoordinates, offset, ends, stride, x, y)) {\n pointX = x;\n maxSegmentLength = segmentLength;\n }\n }\n x1 = x2;\n }\n if (isNaN(pointX)) {\n // There is no horizontal line that has its center point inside the linear\n // ring. Use the center of the the linear ring's extent.\n pointX = flatCenters[flatCentersOffset];\n }\n if (opt_dest) {\n opt_dest.push(pointX, y, maxSegmentLength);\n return opt_dest;\n } else {\n return [pointX, y, maxSegmentLength];\n }\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array>} endss Endss.\n * @param {number} stride Stride.\n * @param {Array} flatCenters Flat centers.\n * @return {Array} Interior points as XYM coordinates, where M is the\n * length of the horizontal intersection that the point belongs to.\n */\nexport function getInteriorPointsOfMultiArray(flatCoordinates, offset, endss, stride, flatCenters) {\n var interiorPoints = [];\n for (var i = 0, ii = endss.length; i < ii; ++i) {\n var ends = endss[i];\n interiorPoints = getInteriorPointOfArray(flatCoordinates,\n offset, ends, stride, flatCenters, 2 * i, interiorPoints);\n offset = ends[ends.length - 1];\n }\n return interiorPoints;\n}\n\n//# sourceMappingURL=interiorpoint.js.map","/**\n * @module ol/geom/flat/reverse\n */\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n */\nexport function coordinates(flatCoordinates, offset, end, stride) {\n while (offset < end - stride) {\n for (var i = 0; i < stride; ++i) {\n var tmp = flatCoordinates[offset + i];\n flatCoordinates[offset + i] = flatCoordinates[end - stride + i];\n flatCoordinates[end - stride + i] = tmp;\n }\n offset += stride;\n end -= stride;\n }\n}\n\n//# sourceMappingURL=reverse.js.map","/**\n * @module ol/geom/flat/orient\n */\nimport {coordinates as reverseCoordinates} from './reverse.js';\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @return {boolean} Is clockwise.\n */\nexport function linearRingIsClockwise(flatCoordinates, offset, end, stride) {\n // http://tinyurl.com/clockwise-method\n // https://github.com/OSGeo/gdal/blob/trunk/gdal/ogr/ogrlinearring.cpp\n var edge = 0;\n var x1 = flatCoordinates[end - stride];\n var y1 = flatCoordinates[end - stride + 1];\n for (; offset < end; offset += stride) {\n var x2 = flatCoordinates[offset];\n var y2 = flatCoordinates[offset + 1];\n edge += (x2 - x1) * (y2 + y1);\n x1 = x2;\n y1 = y2;\n }\n return edge > 0;\n}\n\n\n/**\n * Determines if linear rings are oriented. By default, left-hand orientation\n * is tested (first ring must be clockwise, remaining rings counter-clockwise).\n * To test for right-hand orientation, use the `opt_right` argument.\n *\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array} ends Array of end indexes.\n * @param {number} stride Stride.\n * @param {boolean=} opt_right Test for right-hand orientation\n * (counter-clockwise exterior ring and clockwise interior rings).\n * @return {boolean} Rings are correctly oriented.\n */\nexport function linearRingIsOriented(flatCoordinates, offset, ends, stride, opt_right) {\n var right = opt_right !== undefined ? opt_right : false;\n for (var i = 0, ii = ends.length; i < ii; ++i) {\n var end = ends[i];\n var isClockwise = linearRingIsClockwise(\n flatCoordinates, offset, end, stride);\n if (i === 0) {\n if ((right && isClockwise) || (!right && !isClockwise)) {\n return false;\n }\n } else {\n if ((right && !isClockwise) || (!right && isClockwise)) {\n return false;\n }\n }\n offset = end;\n }\n return true;\n}\n\n\n/**\n * Determines if linear rings are oriented. By default, left-hand orientation\n * is tested (first ring must be clockwise, remaining rings counter-clockwise).\n * To test for right-hand orientation, use the `opt_right` argument.\n *\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array>} endss Array of array of end indexes.\n * @param {number} stride Stride.\n * @param {boolean=} opt_right Test for right-hand orientation\n * (counter-clockwise exterior ring and clockwise interior rings).\n * @return {boolean} Rings are correctly oriented.\n */\nexport function linearRingsAreOriented(flatCoordinates, offset, endss, stride, opt_right) {\n for (var i = 0, ii = endss.length; i < ii; ++i) {\n if (!linearRingIsOriented(\n flatCoordinates, offset, endss[i], stride, opt_right)) {\n return false;\n }\n }\n return true;\n}\n\n\n/**\n * Orient coordinates in a flat array of linear rings. By default, rings\n * are oriented following the left-hand rule (clockwise for exterior and\n * counter-clockwise for interior rings). To orient according to the\n * right-hand rule, use the `opt_right` argument.\n *\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array} ends Ends.\n * @param {number} stride Stride.\n * @param {boolean=} opt_right Follow the right-hand rule for orientation.\n * @return {number} End.\n */\nexport function orientLinearRings(flatCoordinates, offset, ends, stride, opt_right) {\n var right = opt_right !== undefined ? opt_right : false;\n for (var i = 0, ii = ends.length; i < ii; ++i) {\n var end = ends[i];\n var isClockwise = linearRingIsClockwise(\n flatCoordinates, offset, end, stride);\n var reverse = i === 0 ?\n (right && isClockwise) || (!right && !isClockwise) :\n (right && !isClockwise) || (!right && isClockwise);\n if (reverse) {\n reverseCoordinates(flatCoordinates, offset, end, stride);\n }\n offset = end;\n }\n return offset;\n}\n\n\n/**\n * Orient coordinates in a flat array of linear rings. By default, rings\n * are oriented following the left-hand rule (clockwise for exterior and\n * counter-clockwise for interior rings). To orient according to the\n * right-hand rule, use the `opt_right` argument.\n *\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array>} endss Array of array of end indexes.\n * @param {number} stride Stride.\n * @param {boolean=} opt_right Follow the right-hand rule for orientation.\n * @return {number} End.\n */\nexport function orientLinearRingsArray(flatCoordinates, offset, endss, stride, opt_right) {\n for (var i = 0, ii = endss.length; i < ii; ++i) {\n offset = orientLinearRings(\n flatCoordinates, offset, endss[i], stride, opt_right);\n }\n return offset;\n}\n\n//# sourceMappingURL=orient.js.map","/**\n * @module ol/geom/Polygon\n */\nimport {extend} from '../array.js';\nimport {closestSquaredDistanceXY, getCenter} from '../extent.js';\nimport GeometryLayout from './GeometryLayout.js';\nimport GeometryType from './GeometryType.js';\nimport LinearRing from './LinearRing.js';\nimport Point from './Point.js';\nimport SimpleGeometry from './SimpleGeometry.js';\nimport {offset as sphereOffset} from '../sphere.js';\nimport {linearRings as linearRingsArea} from './flat/area.js';\nimport {assignClosestArrayPoint, arrayMaxSquaredDelta} from './flat/closest.js';\nimport {linearRingsContainsXY} from './flat/contains.js';\nimport {deflateCoordinatesArray} from './flat/deflate.js';\nimport {inflateCoordinatesArray} from './flat/inflate.js';\nimport {getInteriorPointOfArray} from './flat/interiorpoint.js';\nimport {intersectsLinearRingArray} from './flat/intersectsextent.js';\nimport {linearRingIsOriented, orientLinearRings} from './flat/orient.js';\nimport {quantizeArray} from './flat/simplify.js';\nimport {modulo} from '../math.js';\n\n/**\n * @classdesc\n * Polygon geometry.\n *\n * @api\n */\nvar Polygon = /*@__PURE__*/(function (SimpleGeometry) {\n function Polygon(coordinates, opt_layout, opt_ends) {\n\n SimpleGeometry.call(this);\n\n /**\n * @type {Array}\n * @private\n */\n this.ends_ = [];\n\n /**\n * @private\n * @type {number}\n */\n this.flatInteriorPointRevision_ = -1;\n\n /**\n * @private\n * @type {import(\"../coordinate.js\").Coordinate}\n */\n this.flatInteriorPoint_ = null;\n\n /**\n * @private\n * @type {number}\n */\n this.maxDelta_ = -1;\n\n /**\n * @private\n * @type {number}\n */\n this.maxDeltaRevision_ = -1;\n\n /**\n * @private\n * @type {number}\n */\n this.orientedRevision_ = -1;\n\n /**\n * @private\n * @type {Array}\n */\n this.orientedFlatCoordinates_ = null;\n\n if (opt_layout !== undefined && opt_ends) {\n this.setFlatCoordinates(opt_layout, /** @type {Array} */ (coordinates));\n this.ends_ = opt_ends;\n } else {\n this.setCoordinates(/** @type {Array>} */ (coordinates), opt_layout);\n }\n\n }\n\n if ( SimpleGeometry ) Polygon.__proto__ = SimpleGeometry;\n Polygon.prototype = Object.create( SimpleGeometry && SimpleGeometry.prototype );\n Polygon.prototype.constructor = Polygon;\n\n /**\n * Append the passed linear ring to this polygon.\n * @param {LinearRing} linearRing Linear ring.\n * @api\n */\n Polygon.prototype.appendLinearRing = function appendLinearRing (linearRing) {\n if (!this.flatCoordinates) {\n this.flatCoordinates = linearRing.getFlatCoordinates().slice();\n } else {\n extend(this.flatCoordinates, linearRing.getFlatCoordinates());\n }\n this.ends_.push(this.flatCoordinates.length);\n this.changed();\n };\n\n /**\n * Make a complete copy of the geometry.\n * @return {!Polygon} Clone.\n * @override\n * @api\n */\n Polygon.prototype.clone = function clone () {\n return new Polygon(this.flatCoordinates.slice(), this.layout, this.ends_.slice());\n };\n\n /**\n * @inheritDoc\n */\n Polygon.prototype.closestPointXY = function closestPointXY (x, y, closestPoint, minSquaredDistance) {\n if (minSquaredDistance < closestSquaredDistanceXY(this.getExtent(), x, y)) {\n return minSquaredDistance;\n }\n if (this.maxDeltaRevision_ != this.getRevision()) {\n this.maxDelta_ = Math.sqrt(arrayMaxSquaredDelta(\n this.flatCoordinates, 0, this.ends_, this.stride, 0));\n this.maxDeltaRevision_ = this.getRevision();\n }\n return assignClosestArrayPoint(\n this.flatCoordinates, 0, this.ends_, this.stride,\n this.maxDelta_, true, x, y, closestPoint, minSquaredDistance);\n };\n\n /**\n * @inheritDoc\n */\n Polygon.prototype.containsXY = function containsXY (x, y) {\n return linearRingsContainsXY(this.getOrientedFlatCoordinates(), 0, this.ends_, this.stride, x, y);\n };\n\n /**\n * Return the area of the polygon on projected plane.\n * @return {number} Area (on projected plane).\n * @api\n */\n Polygon.prototype.getArea = function getArea () {\n return linearRingsArea(this.getOrientedFlatCoordinates(), 0, this.ends_, this.stride);\n };\n\n /**\n * Get the coordinate array for this geometry. This array has the structure\n * of a GeoJSON coordinate array for polygons.\n *\n * @param {boolean=} opt_right Orient coordinates according to the right-hand\n * rule (counter-clockwise for exterior and clockwise for interior rings).\n * If `false`, coordinates will be oriented according to the left-hand rule\n * (clockwise for exterior and counter-clockwise for interior rings).\n * By default, coordinate orientation will depend on how the geometry was\n * constructed.\n * @return {Array>} Coordinates.\n * @override\n * @api\n */\n Polygon.prototype.getCoordinates = function getCoordinates (opt_right) {\n var flatCoordinates;\n if (opt_right !== undefined) {\n flatCoordinates = this.getOrientedFlatCoordinates().slice();\n orientLinearRings(\n flatCoordinates, 0, this.ends_, this.stride, opt_right);\n } else {\n flatCoordinates = this.flatCoordinates;\n }\n\n return inflateCoordinatesArray(\n flatCoordinates, 0, this.ends_, this.stride);\n };\n\n /**\n * @return {Array} Ends.\n */\n Polygon.prototype.getEnds = function getEnds () {\n return this.ends_;\n };\n\n /**\n * @return {Array} Interior point.\n */\n Polygon.prototype.getFlatInteriorPoint = function getFlatInteriorPoint () {\n if (this.flatInteriorPointRevision_ != this.getRevision()) {\n var flatCenter = getCenter(this.getExtent());\n this.flatInteriorPoint_ = getInteriorPointOfArray(\n this.getOrientedFlatCoordinates(), 0, this.ends_, this.stride,\n flatCenter, 0);\n this.flatInteriorPointRevision_ = this.getRevision();\n }\n return this.flatInteriorPoint_;\n };\n\n /**\n * Return an interior point of the polygon.\n * @return {Point} Interior point as XYM coordinate, where M is the\n * length of the horizontal intersection that the point belongs to.\n * @api\n */\n Polygon.prototype.getInteriorPoint = function getInteriorPoint () {\n return new Point(this.getFlatInteriorPoint(), GeometryLayout.XYM);\n };\n\n /**\n * Return the number of rings of the polygon, this includes the exterior\n * ring and any interior rings.\n *\n * @return {number} Number of rings.\n * @api\n */\n Polygon.prototype.getLinearRingCount = function getLinearRingCount () {\n return this.ends_.length;\n };\n\n /**\n * Return the Nth linear ring of the polygon geometry. Return `null` if the\n * given index is out of range.\n * The exterior linear ring is available at index `0` and the interior rings\n * at index `1` and beyond.\n *\n * @param {number} index Index.\n * @return {LinearRing} Linear ring.\n * @api\n */\n Polygon.prototype.getLinearRing = function getLinearRing (index) {\n if (index < 0 || this.ends_.length <= index) {\n return null;\n }\n return new LinearRing(this.flatCoordinates.slice(\n index === 0 ? 0 : this.ends_[index - 1], this.ends_[index]), this.layout);\n };\n\n /**\n * Return the linear rings of the polygon.\n * @return {Array} Linear rings.\n * @api\n */\n Polygon.prototype.getLinearRings = function getLinearRings () {\n var layout = this.layout;\n var flatCoordinates = this.flatCoordinates;\n var ends = this.ends_;\n var linearRings = [];\n var offset = 0;\n for (var i = 0, ii = ends.length; i < ii; ++i) {\n var end = ends[i];\n var linearRing = new LinearRing(flatCoordinates.slice(offset, end), layout);\n linearRings.push(linearRing);\n offset = end;\n }\n return linearRings;\n };\n\n /**\n * @return {Array} Oriented flat coordinates.\n */\n Polygon.prototype.getOrientedFlatCoordinates = function getOrientedFlatCoordinates () {\n if (this.orientedRevision_ != this.getRevision()) {\n var flatCoordinates = this.flatCoordinates;\n if (linearRingIsOriented(\n flatCoordinates, 0, this.ends_, this.stride)) {\n this.orientedFlatCoordinates_ = flatCoordinates;\n } else {\n this.orientedFlatCoordinates_ = flatCoordinates.slice();\n this.orientedFlatCoordinates_.length =\n orientLinearRings(\n this.orientedFlatCoordinates_, 0, this.ends_, this.stride);\n }\n this.orientedRevision_ = this.getRevision();\n }\n return this.orientedFlatCoordinates_;\n };\n\n /**\n * @inheritDoc\n */\n Polygon.prototype.getSimplifiedGeometryInternal = function getSimplifiedGeometryInternal (squaredTolerance) {\n var simplifiedFlatCoordinates = [];\n var simplifiedEnds = [];\n simplifiedFlatCoordinates.length = quantizeArray(\n this.flatCoordinates, 0, this.ends_, this.stride,\n Math.sqrt(squaredTolerance),\n simplifiedFlatCoordinates, 0, simplifiedEnds);\n return new Polygon(simplifiedFlatCoordinates, GeometryLayout.XY, simplifiedEnds);\n };\n\n /**\n * @inheritDoc\n * @api\n */\n Polygon.prototype.getType = function getType () {\n return GeometryType.POLYGON;\n };\n\n /**\n * @inheritDoc\n * @api\n */\n Polygon.prototype.intersectsExtent = function intersectsExtent (extent) {\n return intersectsLinearRingArray(\n this.getOrientedFlatCoordinates(), 0, this.ends_, this.stride, extent);\n };\n\n /**\n * Set the coordinates of the polygon.\n * @param {!Array>} coordinates Coordinates.\n * @param {GeometryLayout=} opt_layout Layout.\n * @override\n * @api\n */\n Polygon.prototype.setCoordinates = function setCoordinates (coordinates, opt_layout) {\n this.setLayout(opt_layout, coordinates, 2);\n if (!this.flatCoordinates) {\n this.flatCoordinates = [];\n }\n var ends = deflateCoordinatesArray(\n this.flatCoordinates, 0, coordinates, this.stride, this.ends_);\n this.flatCoordinates.length = ends.length === 0 ? 0 : ends[ends.length - 1];\n this.changed();\n };\n\n return Polygon;\n}(SimpleGeometry));\n\n\nexport default Polygon;\n\n\n/**\n * Create an approximation of a circle on the surface of a sphere.\n * @param {import(\"../coordinate.js\").Coordinate} center Center (`[lon, lat]` in degrees).\n * @param {number} radius The great-circle distance from the center to\n * the polygon vertices.\n * @param {number=} opt_n Optional number of vertices for the resulting\n * polygon. Default is `32`.\n * @param {number=} opt_sphereRadius Optional radius for the sphere (defaults to\n * the Earth's mean radius using the WGS84 ellipsoid).\n * @return {Polygon} The \"circular\" polygon.\n * @api\n */\nexport function circular(center, radius, opt_n, opt_sphereRadius) {\n var n = opt_n ? opt_n : 32;\n /** @type {Array} */\n var flatCoordinates = [];\n for (var i = 0; i < n; ++i) {\n extend(flatCoordinates, sphereOffset(center, radius, 2 * Math.PI * i / n, opt_sphereRadius));\n }\n flatCoordinates.push(flatCoordinates[0], flatCoordinates[1]);\n return new Polygon(flatCoordinates, GeometryLayout.XY, [flatCoordinates.length]);\n}\n\n\n/**\n * Create a polygon from an extent. The layout used is `XY`.\n * @param {import(\"../extent.js\").Extent} extent The extent.\n * @return {Polygon} The polygon.\n * @api\n */\nexport function fromExtent(extent) {\n var minX = extent[0];\n var minY = extent[1];\n var maxX = extent[2];\n var maxY = extent[3];\n var flatCoordinates =\n [minX, minY, minX, maxY, maxX, maxY, maxX, minY, minX, minY];\n return new Polygon(flatCoordinates, GeometryLayout.XY, [flatCoordinates.length]);\n}\n\n\n/**\n * Create a regular polygon from a circle.\n * @param {import(\"./Circle.js\").default} circle Circle geometry.\n * @param {number=} opt_sides Number of sides of the polygon. Default is 32.\n * @param {number=} opt_angle Start angle for the first vertex of the polygon in\n * radians. Default is 0.\n * @return {Polygon} Polygon geometry.\n * @api\n */\nexport function fromCircle(circle, opt_sides, opt_angle) {\n var sides = opt_sides ? opt_sides : 32;\n var stride = circle.getStride();\n var layout = circle.getLayout();\n var center = circle.getCenter();\n var arrayLength = stride * (sides + 1);\n var flatCoordinates = new Array(arrayLength);\n for (var i = 0; i < arrayLength; i += stride) {\n flatCoordinates[i] = 0;\n flatCoordinates[i + 1] = 0;\n for (var j = 2; j < stride; j++) {\n flatCoordinates[i + j] = center[j];\n }\n }\n var ends = [flatCoordinates.length];\n var polygon = new Polygon(flatCoordinates, layout, ends);\n makeRegular(polygon, center, circle.getRadius(), opt_angle);\n return polygon;\n}\n\n\n/**\n * Modify the coordinates of a polygon to make it a regular polygon.\n * @param {Polygon} polygon Polygon geometry.\n * @param {import(\"../coordinate.js\").Coordinate} center Center of the regular polygon.\n * @param {number} radius Radius of the regular polygon.\n * @param {number=} opt_angle Start angle for the first vertex of the polygon in\n * radians. Default is 0.\n */\nexport function makeRegular(polygon, center, radius, opt_angle) {\n var flatCoordinates = polygon.getFlatCoordinates();\n var stride = polygon.getStride();\n var sides = flatCoordinates.length / stride - 1;\n var startAngle = opt_angle ? opt_angle : 0;\n for (var i = 0; i <= sides; ++i) {\n var offset = i * stride;\n var angle = startAngle + (modulo(i, sides) * 2 * Math.PI / sides);\n flatCoordinates[offset] = center[0] + (radius * Math.cos(angle));\n flatCoordinates[offset + 1] = center[1] + (radius * Math.sin(angle));\n }\n polygon.changed();\n}\n\n//# sourceMappingURL=Polygon.js.map","/**\n * @module ol/control/util\n */\nimport Collection from '../Collection.js';\nimport Attribution from './Attribution.js';\nimport Rotate from './Rotate.js';\nimport Zoom from './Zoom.js';\n\n\n/**\n * @typedef {Object} DefaultsOptions\n * @property {boolean} [attribution=true] Include\n * {@link module:ol/control/Attribution~Attribution}.\n * @property {import(\"./Attribution.js\").Options} [attributionOptions]\n * Options for {@link module:ol/control/Attribution~Attribution}.\n * @property {boolean} [rotate=true] Include\n * {@link module:ol/control/Rotate~Rotate}.\n * @property {import(\"./Rotate.js\").Options} [rotateOptions] Options\n * for {@link module:ol/control/Rotate~Rotate}.\n * @property {boolean} [zoom] Include {@link module:ol/control/Zoom~Zoom}.\n * @property {import(\"./Zoom.js\").Options} [zoomOptions] Options for\n * {@link module:ol/control/Zoom~Zoom}.\n * @api\n */\n\n\n/**\n * Set of controls included in maps by default. Unless configured otherwise,\n * this returns a collection containing an instance of each of the following\n * controls:\n * * {@link module:ol/control/Zoom~Zoom}\n * * {@link module:ol/control/Rotate~Rotate}\n * * {@link module:ol/control/Attribution~Attribution}\n *\n * @param {DefaultsOptions=} opt_options\n * Defaults options.\n * @return {Collection}\n * Controls.\n * @function module:ol/control.defaults\n * @api\n */\nexport function defaults(opt_options) {\n\n var options = opt_options ? opt_options : {};\n\n var controls = new Collection();\n\n var zoomControl = options.zoom !== undefined ? options.zoom : true;\n if (zoomControl) {\n controls.push(new Zoom(options.zoomOptions));\n }\n\n var rotateControl = options.rotate !== undefined ? options.rotate : true;\n if (rotateControl) {\n controls.push(new Rotate(options.rotateOptions));\n }\n\n var attributionControl = options.attribution !== undefined ?\n options.attribution : true;\n if (attributionControl) {\n controls.push(new Attribution(options.attributionOptions));\n }\n\n return controls;\n}\n\n//# sourceMappingURL=util.js.map","/**\n * @module ol/control/Zoom\n */\nimport {listen} from '../events.js';\nimport EventType from '../events/EventType.js';\nimport Control from './Control.js';\nimport {CLASS_CONTROL, CLASS_UNSELECTABLE} from '../css.js';\nimport {easeOut} from '../easing.js';\n\n\n/**\n * @typedef {Object} Options\n * @property {number} [duration=250] Animation duration in milliseconds.\n * @property {string} [className='ol-zoom'] CSS class name.\n * @property {string|HTMLElement} [zoomInLabel='+'] Text label to use for the zoom-in\n * button. Instead of text, also an element (e.g. a `span` element) can be used.\n * @property {string|HTMLElement} [zoomOutLabel='-'] Text label to use for the zoom-out button.\n * Instead of text, also an element (e.g. a `span` element) can be used.\n * @property {string} [zoomInTipLabel='Zoom in'] Text label to use for the button tip.\n * @property {string} [zoomOutTipLabel='Zoom out'] Text label to use for the button tip.\n * @property {number} [delta=1] The zoom delta applied on each click.\n * @property {HTMLElement|string} [target] Specify a target if you want the control to be\n * rendered outside of the map's viewport.\n */\n\n\n/**\n * @classdesc\n * A control with 2 buttons, one for zoom in and one for zoom out.\n * This control is one of the default controls of a map. To style this control\n * use css selectors `.ol-zoom-in` and `.ol-zoom-out`.\n *\n * @api\n */\nvar Zoom = /*@__PURE__*/(function (Control) {\n function Zoom(opt_options) {\n\n var options = opt_options ? opt_options : {};\n\n Control.call(this, {\n element: document.createElement('div'),\n target: options.target\n });\n\n var className = options.className !== undefined ? options.className : 'ol-zoom';\n\n var delta = options.delta !== undefined ? options.delta : 1;\n\n var zoomInLabel = options.zoomInLabel !== undefined ? options.zoomInLabel : '+';\n var zoomOutLabel = options.zoomOutLabel !== undefined ? options.zoomOutLabel : '\\u2212';\n\n var zoomInTipLabel = options.zoomInTipLabel !== undefined ?\n options.zoomInTipLabel : 'Zoom in';\n var zoomOutTipLabel = options.zoomOutTipLabel !== undefined ?\n options.zoomOutTipLabel : 'Zoom out';\n\n var inElement = document.createElement('button');\n inElement.className = className + '-in';\n inElement.setAttribute('type', 'button');\n inElement.title = zoomInTipLabel;\n inElement.appendChild(\n typeof zoomInLabel === 'string' ? document.createTextNode(zoomInLabel) : zoomInLabel\n );\n\n listen(inElement, EventType.CLICK, this.handleClick_.bind(this, delta));\n\n var outElement = document.createElement('button');\n outElement.className = className + '-out';\n outElement.setAttribute('type', 'button');\n outElement.title = zoomOutTipLabel;\n outElement.appendChild(\n typeof zoomOutLabel === 'string' ? document.createTextNode(zoomOutLabel) : zoomOutLabel\n );\n\n listen(outElement, EventType.CLICK, this.handleClick_.bind(this, -delta));\n\n var cssClasses = className + ' ' + CLASS_UNSELECTABLE + ' ' + CLASS_CONTROL;\n var element = this.element;\n element.className = cssClasses;\n element.appendChild(inElement);\n element.appendChild(outElement);\n\n /**\n * @type {number}\n * @private\n */\n this.duration_ = options.duration !== undefined ? options.duration : 250;\n\n }\n\n if ( Control ) Zoom.__proto__ = Control;\n Zoom.prototype = Object.create( Control && Control.prototype );\n Zoom.prototype.constructor = Zoom;\n\n /**\n * @param {number} delta Zoom delta.\n * @param {MouseEvent} event The event to handle\n * @private\n */\n Zoom.prototype.handleClick_ = function handleClick_ (delta, event) {\n event.preventDefault();\n this.zoomByDelta_(delta);\n };\n\n /**\n * @param {number} delta Zoom delta.\n * @private\n */\n Zoom.prototype.zoomByDelta_ = function zoomByDelta_ (delta) {\n var map = this.getMap();\n var view = map.getView();\n if (!view) {\n // the map does not have a view, so we can't act\n // upon it\n return;\n }\n var currentResolution = view.getResolution();\n if (currentResolution) {\n var newResolution = view.constrainResolution(currentResolution, delta);\n if (this.duration_ > 0) {\n if (view.getAnimating()) {\n view.cancelAnimations();\n }\n view.animate({\n resolution: newResolution,\n duration: this.duration_,\n easing: easeOut\n });\n } else {\n view.setResolution(newResolution);\n }\n }\n };\n\n return Zoom;\n}(Control));\n\n\nexport default Zoom;\n\n//# sourceMappingURL=Zoom.js.map","/**\n * @module ol/control/Rotate\n */\nimport Control from './Control.js';\nimport {CLASS_CONTROL, CLASS_HIDDEN, CLASS_UNSELECTABLE} from '../css.js';\nimport {easeOut} from '../easing.js';\nimport {listen} from '../events.js';\nimport EventType from '../events/EventType.js';\n\n\n/**\n * @typedef {Object} Options\n * @property {string} [className='ol-rotate'] CSS class name.\n * @property {string|HTMLElement} [label='⇧'] Text label to use for the rotate button.\n * Instead of text, also an element (e.g. a `span` element) can be used.\n * @property {string} [tipLabel='Reset rotation'] Text label to use for the rotate tip.\n * @property {number} [duration=250] Animation duration in milliseconds.\n * @property {boolean} [autoHide=true] Hide the control when rotation is 0.\n * @property {function(import(\"../MapEvent.js\").default)} [render] Function called when the control should\n * be re-rendered. This is called in a `requestAnimationFrame` callback.\n * @property {function()} [resetNorth] Function called when the control is clicked.\n * This will override the default `resetNorth`.\n * @property {HTMLElement|string} [target] Specify a target if you want the control to be\n * rendered outside of the map's viewport.\n */\n\n\n/**\n * @classdesc\n * A button control to reset rotation to 0.\n * To style this control use css selector `.ol-rotate`. A `.ol-hidden` css\n * selector is added to the button when the rotation is 0.\n *\n * @api\n */\nvar Rotate = /*@__PURE__*/(function (Control) {\n function Rotate(opt_options) {\n\n var options = opt_options ? opt_options : {};\n\n Control.call(this, {\n element: document.createElement('div'),\n render: options.render || render,\n target: options.target\n });\n\n var className = options.className !== undefined ? options.className : 'ol-rotate';\n\n var label = options.label !== undefined ? options.label : '\\u21E7';\n\n /**\n * @type {HTMLElement}\n * @private\n */\n this.label_ = null;\n\n if (typeof label === 'string') {\n this.label_ = document.createElement('span');\n this.label_.className = 'ol-compass';\n this.label_.textContent = label;\n } else {\n this.label_ = label;\n this.label_.classList.add('ol-compass');\n }\n\n var tipLabel = options.tipLabel ? options.tipLabel : 'Reset rotation';\n\n var button = document.createElement('button');\n button.className = className + '-reset';\n button.setAttribute('type', 'button');\n button.title = tipLabel;\n button.appendChild(this.label_);\n\n listen(button, EventType.CLICK, this.handleClick_, this);\n\n var cssClasses = className + ' ' + CLASS_UNSELECTABLE + ' ' + CLASS_CONTROL;\n var element = this.element;\n element.className = cssClasses;\n element.appendChild(button);\n\n this.callResetNorth_ = options.resetNorth ? options.resetNorth : undefined;\n\n /**\n * @type {number}\n * @private\n */\n this.duration_ = options.duration !== undefined ? options.duration : 250;\n\n /**\n * @type {boolean}\n * @private\n */\n this.autoHide_ = options.autoHide !== undefined ? options.autoHide : true;\n\n /**\n * @private\n * @type {number|undefined}\n */\n this.rotation_ = undefined;\n\n if (this.autoHide_) {\n this.element.classList.add(CLASS_HIDDEN);\n }\n\n }\n\n if ( Control ) Rotate.__proto__ = Control;\n Rotate.prototype = Object.create( Control && Control.prototype );\n Rotate.prototype.constructor = Rotate;\n\n /**\n * @param {MouseEvent} event The event to handle\n * @private\n */\n Rotate.prototype.handleClick_ = function handleClick_ (event) {\n event.preventDefault();\n if (this.callResetNorth_ !== undefined) {\n this.callResetNorth_();\n } else {\n this.resetNorth_();\n }\n };\n\n /**\n * @private\n */\n Rotate.prototype.resetNorth_ = function resetNorth_ () {\n var map = this.getMap();\n var view = map.getView();\n if (!view) {\n // the map does not have a view, so we can't act\n // upon it\n return;\n }\n if (view.getRotation() !== undefined) {\n if (this.duration_ > 0) {\n view.animate({\n rotation: 0,\n duration: this.duration_,\n easing: easeOut\n });\n } else {\n view.setRotation(0);\n }\n }\n };\n\n return Rotate;\n}(Control));\n\n\n/**\n * Update the rotate control element.\n * @param {import(\"../MapEvent.js\").default} mapEvent Map event.\n * @this {Rotate}\n * @api\n */\nexport function render(mapEvent) {\n var frameState = mapEvent.frameState;\n if (!frameState) {\n return;\n }\n var rotation = frameState.viewState.rotation;\n if (rotation != this.rotation_) {\n var transform = 'rotate(' + rotation + 'rad)';\n if (this.autoHide_) {\n var contains = this.element.classList.contains(CLASS_HIDDEN);\n if (!contains && rotation === 0) {\n this.element.classList.add(CLASS_HIDDEN);\n } else if (contains && rotation !== 0) {\n this.element.classList.remove(CLASS_HIDDEN);\n }\n }\n this.label_.style.msTransform = transform;\n this.label_.style.webkitTransform = transform;\n this.label_.style.transform = transform;\n }\n this.rotation_ = rotation;\n}\n\nexport default Rotate;\n\n//# sourceMappingURL=Rotate.js.map","/**\n * @module ol/control/Attribution\n */\nimport {equals} from '../array.js';\nimport Control from './Control.js';\nimport {CLASS_CONTROL, CLASS_UNSELECTABLE, CLASS_COLLAPSED} from '../css.js';\nimport {removeChildren, replaceNode} from '../dom.js';\nimport {listen} from '../events.js';\nimport EventType from '../events/EventType.js';\nimport {visibleAtResolution} from '../layer/Layer.js';\n\n\n/**\n * @typedef {Object} Options\n * @property {string} [className='ol-attribution'] CSS class name.\n * @property {HTMLElement|string} [target] Specify a target if you\n * want the control to be rendered outside of the map's\n * viewport.\n * @property {boolean} [collapsible] Specify if attributions can\n * be collapsed. If not specified, sources control this behavior with their\n * `attributionsCollapsible` setting.\n * @property {boolean} [collapsed=true] Specify if attributions should\n * be collapsed at startup.\n * @property {string} [tipLabel='Attributions'] Text label to use for the button tip.\n * @property {string} [label='i'] Text label to use for the\n * collapsed attributions button.\n * Instead of text, also an element (e.g. a `span` element) can be used.\n * @property {string|HTMLElement} [collapseLabel='»'] Text label to use\n * for the expanded attributions button.\n * Instead of text, also an element (e.g. a `span` element) can be used.\n * @property {function(import(\"../MapEvent.js\").default)} [render] Function called when\n * the control should be re-rendered. This is called in a `requestAnimationFrame`\n * callback.\n */\n\n\n/**\n * @classdesc\n * Control to show all the attributions associated with the layer sources\n * in the map. This control is one of the default controls included in maps.\n * By default it will show in the bottom right portion of the map, but this can\n * be changed by using a css selector for `.ol-attribution`.\n *\n * @api\n */\nvar Attribution = /*@__PURE__*/(function (Control) {\n function Attribution(opt_options) {\n\n var options = opt_options ? opt_options : {};\n\n Control.call(this, {\n element: document.createElement('div'),\n render: options.render || render,\n target: options.target\n });\n\n /**\n * @private\n * @type {HTMLElement}\n */\n this.ulElement_ = document.createElement('ul');\n\n /**\n * @private\n * @type {boolean}\n */\n this.collapsed_ = options.collapsed !== undefined ? options.collapsed : true;\n\n /**\n * @private\n * @type {boolean}\n */\n this.overrideCollapsible_ = options.collapsible !== undefined;\n\n /**\n * @private\n * @type {boolean}\n */\n this.collapsible_ = options.collapsible !== undefined ?\n options.collapsible : true;\n\n if (!this.collapsible_) {\n this.collapsed_ = false;\n }\n\n var className = options.className !== undefined ? options.className : 'ol-attribution';\n\n var tipLabel = options.tipLabel !== undefined ? options.tipLabel : 'Attributions';\n\n var collapseLabel = options.collapseLabel !== undefined ? options.collapseLabel : '\\u00BB';\n\n if (typeof collapseLabel === 'string') {\n /**\n * @private\n * @type {HTMLElement}\n */\n this.collapseLabel_ = document.createElement('span');\n this.collapseLabel_.textContent = collapseLabel;\n } else {\n this.collapseLabel_ = collapseLabel;\n }\n\n var label = options.label !== undefined ? options.label : 'i';\n\n if (typeof label === 'string') {\n /**\n * @private\n * @type {HTMLElement}\n */\n this.label_ = document.createElement('span');\n this.label_.textContent = label;\n } else {\n this.label_ = label;\n }\n\n\n var activeLabel = (this.collapsible_ && !this.collapsed_) ?\n this.collapseLabel_ : this.label_;\n var button = document.createElement('button');\n button.setAttribute('type', 'button');\n button.title = tipLabel;\n button.appendChild(activeLabel);\n\n listen(button, EventType.CLICK, this.handleClick_, this);\n\n var cssClasses = className + ' ' + CLASS_UNSELECTABLE + ' ' + CLASS_CONTROL +\n (this.collapsed_ && this.collapsible_ ? ' ' + CLASS_COLLAPSED : '') +\n (this.collapsible_ ? '' : ' ol-uncollapsible');\n var element = this.element;\n element.className = cssClasses;\n element.appendChild(this.ulElement_);\n element.appendChild(button);\n\n /**\n * A list of currently rendered resolutions.\n * @type {Array}\n * @private\n */\n this.renderedAttributions_ = [];\n\n /**\n * @private\n * @type {boolean}\n */\n this.renderedVisible_ = true;\n\n }\n\n if ( Control ) Attribution.__proto__ = Control;\n Attribution.prototype = Object.create( Control && Control.prototype );\n Attribution.prototype.constructor = Attribution;\n\n /**\n * Collect a list of visible attributions and set the collapsible state.\n * @param {import(\"../PluggableMap.js\").FrameState} frameState Frame state.\n * @return {Array} Attributions.\n * @private\n */\n Attribution.prototype.collectSourceAttributions_ = function collectSourceAttributions_ (frameState) {\n /**\n * Used to determine if an attribution already exists.\n * @type {!Object}\n */\n var lookup = {};\n\n /**\n * A list of visible attributions.\n * @type {Array}\n */\n var visibleAttributions = [];\n\n var layerStatesArray = frameState.layerStatesArray;\n var resolution = frameState.viewState.resolution;\n for (var i = 0, ii = layerStatesArray.length; i < ii; ++i) {\n var layerState = layerStatesArray[i];\n if (!visibleAtResolution(layerState, resolution)) {\n continue;\n }\n\n var source = /** @type {import(\"../layer/Layer.js\").default} */ (layerState.layer).getSource();\n if (!source) {\n continue;\n }\n\n var attributionGetter = source.getAttributions();\n if (!attributionGetter) {\n continue;\n }\n\n var attributions = attributionGetter(frameState);\n if (!attributions) {\n continue;\n }\n\n if (!this.overrideCollapsible_ && source.getAttributionsCollapsible() === false) {\n this.setCollapsible(false);\n }\n\n if (Array.isArray(attributions)) {\n for (var j = 0, jj = attributions.length; j < jj; ++j) {\n if (!(attributions[j] in lookup)) {\n visibleAttributions.push(attributions[j]);\n lookup[attributions[j]] = true;\n }\n }\n } else {\n if (!(attributions in lookup)) {\n visibleAttributions.push(attributions);\n lookup[attributions] = true;\n }\n }\n }\n return visibleAttributions;\n };\n\n /**\n * @private\n * @param {?import(\"../PluggableMap.js\").FrameState} frameState Frame state.\n */\n Attribution.prototype.updateElement_ = function updateElement_ (frameState) {\n if (!frameState) {\n if (this.renderedVisible_) {\n this.element.style.display = 'none';\n this.renderedVisible_ = false;\n }\n return;\n }\n\n var attributions = this.collectSourceAttributions_(frameState);\n\n var visible = attributions.length > 0;\n if (this.renderedVisible_ != visible) {\n this.element.style.display = visible ? '' : 'none';\n this.renderedVisible_ = visible;\n }\n\n if (equals(attributions, this.renderedAttributions_)) {\n return;\n }\n\n removeChildren(this.ulElement_);\n\n // append the attributions\n for (var i = 0, ii = attributions.length; i < ii; ++i) {\n var element = document.createElement('li');\n element.innerHTML = attributions[i];\n this.ulElement_.appendChild(element);\n }\n\n this.renderedAttributions_ = attributions;\n };\n\n /**\n * @param {MouseEvent} event The event to handle\n * @private\n */\n Attribution.prototype.handleClick_ = function handleClick_ (event) {\n event.preventDefault();\n this.handleToggle_();\n };\n\n /**\n * @private\n */\n Attribution.prototype.handleToggle_ = function handleToggle_ () {\n this.element.classList.toggle(CLASS_COLLAPSED);\n if (this.collapsed_) {\n replaceNode(this.collapseLabel_, this.label_);\n } else {\n replaceNode(this.label_, this.collapseLabel_);\n }\n this.collapsed_ = !this.collapsed_;\n };\n\n /**\n * Return `true` if the attribution is collapsible, `false` otherwise.\n * @return {boolean} True if the widget is collapsible.\n * @api\n */\n Attribution.prototype.getCollapsible = function getCollapsible () {\n return this.collapsible_;\n };\n\n /**\n * Set whether the attribution should be collapsible.\n * @param {boolean} collapsible True if the widget is collapsible.\n * @api\n */\n Attribution.prototype.setCollapsible = function setCollapsible (collapsible) {\n if (this.collapsible_ === collapsible) {\n return;\n }\n this.collapsible_ = collapsible;\n this.element.classList.toggle('ol-uncollapsible');\n if (!collapsible && this.collapsed_) {\n this.handleToggle_();\n }\n };\n\n /**\n * Collapse or expand the attribution according to the passed parameter. Will\n * not do anything if the attribution isn't collapsible or if the current\n * collapsed state is already the one requested.\n * @param {boolean} collapsed True if the widget is collapsed.\n * @api\n */\n Attribution.prototype.setCollapsed = function setCollapsed (collapsed) {\n if (!this.collapsible_ || this.collapsed_ === collapsed) {\n return;\n }\n this.handleToggle_();\n };\n\n /**\n * Return `true` when the attribution is currently collapsed or `false`\n * otherwise.\n * @return {boolean} True if the widget is collapsed.\n * @api\n */\n Attribution.prototype.getCollapsed = function getCollapsed () {\n return this.collapsed_;\n };\n\n return Attribution;\n}(Control));\n\n\n/**\n * Update the attribution element.\n * @param {import(\"../MapEvent.js\").default} mapEvent Map event.\n * @this {Attribution}\n * @api\n */\nexport function render(mapEvent) {\n this.updateElement_(mapEvent.frameState);\n}\n\n\nexport default Attribution;\n\n//# sourceMappingURL=Attribution.js.map","/**\n * @module ol/AssertionError\n */\nimport {VERSION} from './util.js';\n\n/**\n * Error object thrown when an assertion failed. This is an ECMA-262 Error,\n * extended with a `code` property.\n * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error.\n */\nvar AssertionError = /*@__PURE__*/(function (Error) {\n function AssertionError(code) {\n var path = VERSION === 'latest' ? VERSION : 'v' + VERSION.split('-')[0];\n var message = 'Assertion failed. See https://openlayers.org/en/' + path +\n '/doc/errors/#' + code + ' for details.';\n\n Error.call(this, message);\n\n /**\n * Error code. The meaning of the code can be found on\n * https://openlayers.org/en/latest/doc/errors/ (replace `latest` with\n * the version found in the OpenLayers script's header comment if a version\n * other than the latest is used).\n * @type {number}\n * @api\n */\n this.code = code;\n\n /**\n * @type {string}\n */\n this.name = 'AssertionError';\n\n // Re-assign message, see https://github.com/Rich-Harris/buble/issues/40\n this.message = message;\n }\n\n if ( Error ) AssertionError.__proto__ = Error;\n AssertionError.prototype = Object.create( Error && Error.prototype );\n AssertionError.prototype.constructor = AssertionError;\n\n return AssertionError;\n}(Error));\n\nexport default AssertionError;\n\n//# sourceMappingURL=AssertionError.js.map","/**\n * @module ol/Observable\n */\nimport {listen, unlistenByKey, unlisten, listenOnce} from './events.js';\nimport EventTarget from './events/Target.js';\nimport EventType from './events/EventType.js';\n\n/**\n * @classdesc\n * Abstract base class; normally only used for creating subclasses and not\n * instantiated in apps.\n * An event target providing convenient methods for listener registration\n * and unregistration. A generic `change` event is always available through\n * {@link module:ol/Observable~Observable#changed}.\n *\n * @fires import(\"./events/Event.js\").Event\n * @api\n */\nvar Observable = /*@__PURE__*/(function (EventTarget) {\n function Observable() {\n\n EventTarget.call(this);\n\n /**\n * @private\n * @type {number}\n */\n this.revision_ = 0;\n\n }\n\n if ( EventTarget ) Observable.__proto__ = EventTarget;\n Observable.prototype = Object.create( EventTarget && EventTarget.prototype );\n Observable.prototype.constructor = Observable;\n\n /**\n * Increases the revision counter and dispatches a 'change' event.\n * @api\n */\n Observable.prototype.changed = function changed () {\n ++this.revision_;\n this.dispatchEvent(EventType.CHANGE);\n };\n\n /**\n * Get the version number for this object. Each time the object is modified,\n * its version number will be incremented.\n * @return {number} Revision.\n * @api\n */\n Observable.prototype.getRevision = function getRevision () {\n return this.revision_;\n };\n\n /**\n * Listen for a certain type of event.\n * @param {string|Array} type The event type or array of event types.\n * @param {function(?): ?} listener The listener function.\n * @return {import(\"./events.js\").EventsKey|Array} Unique key for the listener. If\n * called with an array of event types as the first argument, the return\n * will be an array of keys.\n * @api\n */\n Observable.prototype.on = function on (type, listener) {\n if (Array.isArray(type)) {\n var len = type.length;\n var keys = new Array(len);\n for (var i = 0; i < len; ++i) {\n keys[i] = listen(this, type[i], listener);\n }\n return keys;\n } else {\n return listen(this, /** @type {string} */ (type), listener);\n }\n };\n\n /**\n * Listen once for a certain type of event.\n * @param {string|Array} type The event type or array of event types.\n * @param {function(?): ?} listener The listener function.\n * @return {import(\"./events.js\").EventsKey|Array} Unique key for the listener. If\n * called with an array of event types as the first argument, the return\n * will be an array of keys.\n * @api\n */\n Observable.prototype.once = function once (type, listener) {\n if (Array.isArray(type)) {\n var len = type.length;\n var keys = new Array(len);\n for (var i = 0; i < len; ++i) {\n keys[i] = listenOnce(this, type[i], listener);\n }\n return keys;\n } else {\n return listenOnce(this, /** @type {string} */ (type), listener);\n }\n };\n\n /**\n * Unlisten for a certain type of event.\n * @param {string|Array} type The event type or array of event types.\n * @param {function(?): ?} listener The listener function.\n * @api\n */\n Observable.prototype.un = function un (type, listener) {\n if (Array.isArray(type)) {\n for (var i = 0, ii = type.length; i < ii; ++i) {\n unlisten(this, type[i], listener);\n }\n return;\n } else {\n unlisten(this, /** @type {string} */ (type), listener);\n }\n };\n\n return Observable;\n}(EventTarget));\n\n\n/**\n * Removes an event listener using the key returned by `on()` or `once()`.\n * @param {import(\"./events.js\").EventsKey|Array} key The key returned by `on()`\n * or `once()` (or an array of keys).\n * @api\n */\nexport function unByKey(key) {\n if (Array.isArray(key)) {\n for (var i = 0, ii = key.length; i < ii; ++i) {\n unlistenByKey(key[i]);\n }\n } else {\n unlistenByKey(/** @type {import(\"./events.js\").EventsKey} */ (key));\n }\n}\n\n\nexport default Observable;\n\n//# sourceMappingURL=Observable.js.map","/**\n * @module ol/layer/Base\n */\nimport {abstract} from '../util.js';\nimport BaseObject from '../Object.js';\nimport LayerProperty from './Property.js';\nimport {clamp} from '../math.js';\nimport {assign} from '../obj.js';\n\n\n/**\n * @typedef {Object} Options\n * @property {number} [opacity=1] Opacity (0, 1).\n * @property {boolean} [visible=true] Visibility.\n * @property {import(\"../extent.js\").Extent} [extent] The bounding extent for layer rendering. The layer will not be\n * rendered outside of this extent.\n * @property {number} [zIndex] The z-index for layer rendering. At rendering time, the layers\n * will be ordered, first by Z-index and then by position. When `undefined`, a `zIndex` of 0 is assumed\n * for layers that are added to the map's `layers` collection, or `Infinity` when the layer's `setMap()`\n * method was used.\n * @property {number} [minResolution] The minimum resolution (inclusive) at which this layer will be\n * visible.\n * @property {number} [maxResolution] The maximum resolution (exclusive) below which this layer will\n * be visible.\n */\n\n\n/**\n * @classdesc\n * Abstract base class; normally only used for creating subclasses and not\n * instantiated in apps.\n * Note that with {@link module:ol/layer/Base} and all its subclasses, any property set in\n * the options is set as a {@link module:ol/Object} property on the layer object, so\n * is observable, and has get/set accessors.\n *\n * @api\n */\nvar BaseLayer = /*@__PURE__*/(function (BaseObject) {\n function BaseLayer(options) {\n\n BaseObject.call(this);\n\n /**\n * @type {Object}\n */\n var properties = assign({}, options);\n properties[LayerProperty.OPACITY] =\n options.opacity !== undefined ? options.opacity : 1;\n properties[LayerProperty.VISIBLE] =\n options.visible !== undefined ? options.visible : true;\n properties[LayerProperty.Z_INDEX] = options.zIndex;\n properties[LayerProperty.MAX_RESOLUTION] =\n options.maxResolution !== undefined ? options.maxResolution : Infinity;\n properties[LayerProperty.MIN_RESOLUTION] =\n options.minResolution !== undefined ? options.minResolution : 0;\n\n this.setProperties(properties);\n\n /**\n * @type {import(\"./Layer.js\").State}\n * @private\n */\n this.state_ = null;\n\n /**\n * The layer type.\n * @type {import(\"../LayerType.js\").default}\n * @protected;\n */\n this.type;\n\n }\n\n if ( BaseObject ) BaseLayer.__proto__ = BaseObject;\n BaseLayer.prototype = Object.create( BaseObject && BaseObject.prototype );\n BaseLayer.prototype.constructor = BaseLayer;\n\n /**\n * Get the layer type (used when creating a layer renderer).\n * @return {import(\"../LayerType.js\").default} The layer type.\n */\n BaseLayer.prototype.getType = function getType () {\n return this.type;\n };\n\n /**\n * @return {import(\"./Layer.js\").State} Layer state.\n */\n BaseLayer.prototype.getLayerState = function getLayerState () {\n /** @type {import(\"./Layer.js\").State} */\n var state = this.state_ || /** @type {?} */ ({\n layer: this,\n managed: true\n });\n state.opacity = clamp(this.getOpacity(), 0, 1);\n state.sourceState = this.getSourceState();\n state.visible = this.getVisible();\n state.extent = this.getExtent();\n state.zIndex = this.getZIndex() || 0;\n state.maxResolution = this.getMaxResolution();\n state.minResolution = Math.max(this.getMinResolution(), 0);\n this.state_ = state;\n\n return state;\n };\n\n /**\n * @abstract\n * @param {Array=} opt_array Array of layers (to be\n * modified in place).\n * @return {Array} Array of layers.\n */\n BaseLayer.prototype.getLayersArray = function getLayersArray (opt_array) {\n return abstract();\n };\n\n /**\n * @abstract\n * @param {Array=} opt_states Optional list of layer\n * states (to be modified in place).\n * @return {Array} List of layer states.\n */\n BaseLayer.prototype.getLayerStatesArray = function getLayerStatesArray (opt_states) {\n return abstract();\n };\n\n /**\n * Return the {@link module:ol/extent~Extent extent} of the layer or `undefined` if it\n * will be visible regardless of extent.\n * @return {import(\"../extent.js\").Extent|undefined} The layer extent.\n * @observable\n * @api\n */\n BaseLayer.prototype.getExtent = function getExtent () {\n return (\n /** @type {import(\"../extent.js\").Extent|undefined} */ (this.get(LayerProperty.EXTENT))\n );\n };\n\n /**\n * Return the maximum resolution of the layer.\n * @return {number} The maximum resolution of the layer.\n * @observable\n * @api\n */\n BaseLayer.prototype.getMaxResolution = function getMaxResolution () {\n return /** @type {number} */ (this.get(LayerProperty.MAX_RESOLUTION));\n };\n\n /**\n * Return the minimum resolution of the layer.\n * @return {number} The minimum resolution of the layer.\n * @observable\n * @api\n */\n BaseLayer.prototype.getMinResolution = function getMinResolution () {\n return /** @type {number} */ (this.get(LayerProperty.MIN_RESOLUTION));\n };\n\n /**\n * Return the opacity of the layer (between 0 and 1).\n * @return {number} The opacity of the layer.\n * @observable\n * @api\n */\n BaseLayer.prototype.getOpacity = function getOpacity () {\n return /** @type {number} */ (this.get(LayerProperty.OPACITY));\n };\n\n /**\n * @abstract\n * @return {import(\"../source/State.js\").default} Source state.\n */\n BaseLayer.prototype.getSourceState = function getSourceState () {\n return abstract();\n };\n\n /**\n * Return the visibility of the layer (`true` or `false`).\n * @return {boolean} The visibility of the layer.\n * @observable\n * @api\n */\n BaseLayer.prototype.getVisible = function getVisible () {\n return /** @type {boolean} */ (this.get(LayerProperty.VISIBLE));\n };\n\n /**\n * Return the Z-index of the layer, which is used to order layers before\n * rendering. The default Z-index is 0.\n * @return {number} The Z-index of the layer.\n * @observable\n * @api\n */\n BaseLayer.prototype.getZIndex = function getZIndex () {\n return /** @type {number} */ (this.get(LayerProperty.Z_INDEX));\n };\n\n /**\n * Set the extent at which the layer is visible. If `undefined`, the layer\n * will be visible at all extents.\n * @param {import(\"../extent.js\").Extent|undefined} extent The extent of the layer.\n * @observable\n * @api\n */\n BaseLayer.prototype.setExtent = function setExtent (extent) {\n this.set(LayerProperty.EXTENT, extent);\n };\n\n /**\n * Set the maximum resolution at which the layer is visible.\n * @param {number} maxResolution The maximum resolution of the layer.\n * @observable\n * @api\n */\n BaseLayer.prototype.setMaxResolution = function setMaxResolution (maxResolution) {\n this.set(LayerProperty.MAX_RESOLUTION, maxResolution);\n };\n\n /**\n * Set the minimum resolution at which the layer is visible.\n * @param {number} minResolution The minimum resolution of the layer.\n * @observable\n * @api\n */\n BaseLayer.prototype.setMinResolution = function setMinResolution (minResolution) {\n this.set(LayerProperty.MIN_RESOLUTION, minResolution);\n };\n\n /**\n * Set the opacity of the layer, allowed values range from 0 to 1.\n * @param {number} opacity The opacity of the layer.\n * @observable\n * @api\n */\n BaseLayer.prototype.setOpacity = function setOpacity (opacity) {\n this.set(LayerProperty.OPACITY, opacity);\n };\n\n /**\n * Set the visibility of the layer (`true` or `false`).\n * @param {boolean} visible The visibility of the layer.\n * @observable\n * @api\n */\n BaseLayer.prototype.setVisible = function setVisible (visible) {\n this.set(LayerProperty.VISIBLE, visible);\n };\n\n /**\n * Set Z-index of the layer, which is used to order layers before rendering.\n * The default Z-index is 0.\n * @param {number} zindex The z-index of the layer.\n * @observable\n * @api\n */\n BaseLayer.prototype.setZIndex = function setZIndex (zindex) {\n this.set(LayerProperty.Z_INDEX, zindex);\n };\n\n return BaseLayer;\n}(BaseObject));\n\n\nexport default BaseLayer;\n\n//# sourceMappingURL=Base.js.map","/**\n * @module ol/geom/flat/intersectsextent\n */\nimport {containsExtent, createEmpty, extendFlatCoordinates, intersects, intersectsSegment} from '../../extent.js';\nimport {linearRingContainsXY, linearRingContainsExtent} from './contains.js';\nimport {forEach as forEachSegment} from './segments.js';\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {import(\"../../extent.js\").Extent} extent Extent.\n * @return {boolean} True if the geometry and the extent intersect.\n */\nexport function intersectsLineString(flatCoordinates, offset, end, stride, extent) {\n var coordinatesExtent = extendFlatCoordinates(\n createEmpty(), flatCoordinates, offset, end, stride);\n if (!intersects(extent, coordinatesExtent)) {\n return false;\n }\n if (containsExtent(extent, coordinatesExtent)) {\n return true;\n }\n if (coordinatesExtent[0] >= extent[0] &&\n coordinatesExtent[2] <= extent[2]) {\n return true;\n }\n if (coordinatesExtent[1] >= extent[1] &&\n coordinatesExtent[3] <= extent[3]) {\n return true;\n }\n return forEachSegment(flatCoordinates, offset, end, stride,\n /**\n * @param {import(\"../../coordinate.js\").Coordinate} point1 Start point.\n * @param {import(\"../../coordinate.js\").Coordinate} point2 End point.\n * @return {boolean} `true` if the segment and the extent intersect,\n * `false` otherwise.\n */\n function(point1, point2) {\n return intersectsSegment(extent, point1, point2);\n });\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array} ends Ends.\n * @param {number} stride Stride.\n * @param {import(\"../../extent.js\").Extent} extent Extent.\n * @return {boolean} True if the geometry and the extent intersect.\n */\nexport function intersectsLineStringArray(flatCoordinates, offset, ends, stride, extent) {\n for (var i = 0, ii = ends.length; i < ii; ++i) {\n if (intersectsLineString(\n flatCoordinates, offset, ends[i], stride, extent)) {\n return true;\n }\n offset = ends[i];\n }\n return false;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {import(\"../../extent.js\").Extent} extent Extent.\n * @return {boolean} True if the geometry and the extent intersect.\n */\nexport function intersectsLinearRing(flatCoordinates, offset, end, stride, extent) {\n if (intersectsLineString(\n flatCoordinates, offset, end, stride, extent)) {\n return true;\n }\n if (linearRingContainsXY(flatCoordinates, offset, end, stride, extent[0], extent[1])) {\n return true;\n }\n if (linearRingContainsXY(flatCoordinates, offset, end, stride, extent[0], extent[3])) {\n return true;\n }\n if (linearRingContainsXY(flatCoordinates, offset, end, stride, extent[2], extent[1])) {\n return true;\n }\n if (linearRingContainsXY(flatCoordinates, offset, end, stride, extent[2], extent[3])) {\n return true;\n }\n return false;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array} ends Ends.\n * @param {number} stride Stride.\n * @param {import(\"../../extent.js\").Extent} extent Extent.\n * @return {boolean} True if the geometry and the extent intersect.\n */\nexport function intersectsLinearRingArray(flatCoordinates, offset, ends, stride, extent) {\n if (!intersectsLinearRing(\n flatCoordinates, offset, ends[0], stride, extent)) {\n return false;\n }\n if (ends.length === 1) {\n return true;\n }\n for (var i = 1, ii = ends.length; i < ii; ++i) {\n if (linearRingContainsExtent(flatCoordinates, ends[i - 1], ends[i], stride, extent)) {\n if (!intersectsLineString(flatCoordinates, ends[i - 1], ends[i], stride, extent)) {\n return false;\n }\n }\n }\n return true;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {Array>} endss Endss.\n * @param {number} stride Stride.\n * @param {import(\"../../extent.js\").Extent} extent Extent.\n * @return {boolean} True if the geometry and the extent intersect.\n */\nexport function intersectsLinearRingMultiArray(flatCoordinates, offset, endss, stride, extent) {\n for (var i = 0, ii = endss.length; i < ii; ++i) {\n var ends = endss[i];\n if (intersectsLinearRingArray(\n flatCoordinates, offset, ends, stride, extent)) {\n return true;\n }\n offset = ends[ends.length - 1];\n }\n return false;\n}\n\n//# sourceMappingURL=intersectsextent.js.map","/**\n * @module ol/geom/flat/segments\n */\n\n\n/**\n * This function calls `callback` for each segment of the flat coordinates\n * array. If the callback returns a truthy value the function returns that\n * value immediately. Otherwise the function returns `false`.\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @param {function(this: S, import(\"../../coordinate.js\").Coordinate, import(\"../../coordinate.js\").Coordinate): T} callback Function\n * called for each segment.\n * @param {S=} opt_this The object to be used as the value of 'this'\n * within callback.\n * @return {T|boolean} Value.\n * @template T,S\n */\nexport function forEach(flatCoordinates, offset, end, stride, callback, opt_this) {\n var point1 = [flatCoordinates[offset], flatCoordinates[offset + 1]];\n var point2 = [];\n var ret;\n for (; (offset + stride) < end; offset += stride) {\n point2[0] = flatCoordinates[offset + stride];\n point2[1] = flatCoordinates[offset + stride + 1];\n ret = callback.call(opt_this, point1, point2);\n if (ret) {\n return ret;\n }\n point1[0] = point2[0];\n point1[1] = point2[1];\n }\n return false;\n}\n\n//# sourceMappingURL=segments.js.map","/**\n * @module ol/structs/LRUCache\n */\n\nimport {assert} from '../asserts.js';\nimport EventTarget from '../events/Target.js';\nimport EventType from '../events/EventType.js';\n\n\n/**\n * @typedef {Object} Entry\n * @property {string} key_\n * @property {Object} newer\n * @property {Object} older\n * @property {*} value_\n */\n\n\n/**\n * @classdesc\n * Implements a Least-Recently-Used cache where the keys do not conflict with\n * Object's properties (e.g. 'hasOwnProperty' is not allowed as a key). Expiring\n * items from the cache is the responsibility of the user.\n *\n * @fires import(\"../events/Event.js\").Event\n * @template T\n */\nvar LRUCache = /*@__PURE__*/(function (EventTarget) {\n function LRUCache(opt_highWaterMark) {\n\n EventTarget.call(this);\n\n /**\n * @type {number}\n */\n this.highWaterMark = opt_highWaterMark !== undefined ? opt_highWaterMark : 2048;\n\n /**\n * @private\n * @type {number}\n */\n this.count_ = 0;\n\n /**\n * @private\n * @type {!Object}\n */\n this.entries_ = {};\n\n /**\n * @private\n * @type {?Entry}\n */\n this.oldest_ = null;\n\n /**\n * @private\n * @type {?Entry}\n */\n this.newest_ = null;\n\n }\n\n if ( EventTarget ) LRUCache.__proto__ = EventTarget;\n LRUCache.prototype = Object.create( EventTarget && EventTarget.prototype );\n LRUCache.prototype.constructor = LRUCache;\n\n\n /**\n * @return {boolean} Can expire cache.\n */\n LRUCache.prototype.canExpireCache = function canExpireCache () {\n return this.getCount() > this.highWaterMark;\n };\n\n\n /**\n * FIXME empty description for jsdoc\n */\n LRUCache.prototype.clear = function clear () {\n this.count_ = 0;\n this.entries_ = {};\n this.oldest_ = null;\n this.newest_ = null;\n this.dispatchEvent(EventType.CLEAR);\n };\n\n\n /**\n * @param {string} key Key.\n * @return {boolean} Contains key.\n */\n LRUCache.prototype.containsKey = function containsKey (key) {\n return this.entries_.hasOwnProperty(key);\n };\n\n\n /**\n * @param {function(this: S, T, string, LRUCache): ?} f The function\n * to call for every entry from the oldest to the newer. This function takes\n * 3 arguments (the entry value, the entry key and the LRUCache object).\n * The return value is ignored.\n * @param {S=} opt_this The object to use as `this` in `f`.\n * @template S\n */\n LRUCache.prototype.forEach = function forEach (f, opt_this) {\n var entry = this.oldest_;\n while (entry) {\n f.call(opt_this, entry.value_, entry.key_, this);\n entry = entry.newer;\n }\n };\n\n\n /**\n * @param {string} key Key.\n * @return {T} Value.\n */\n LRUCache.prototype.get = function get (key) {\n var entry = this.entries_[key];\n assert(entry !== undefined,\n 15); // Tried to get a value for a key that does not exist in the cache\n if (entry === this.newest_) {\n return entry.value_;\n } else if (entry === this.oldest_) {\n this.oldest_ = /** @type {Entry} */ (this.oldest_.newer);\n this.oldest_.older = null;\n } else {\n entry.newer.older = entry.older;\n entry.older.newer = entry.newer;\n }\n entry.newer = null;\n entry.older = this.newest_;\n this.newest_.newer = entry;\n this.newest_ = entry;\n return entry.value_;\n };\n\n\n /**\n * Remove an entry from the cache.\n * @param {string} key The entry key.\n * @return {T} The removed entry.\n */\n LRUCache.prototype.remove = function remove (key) {\n var entry = this.entries_[key];\n assert(entry !== undefined, 15); // Tried to get a value for a key that does not exist in the cache\n if (entry === this.newest_) {\n this.newest_ = /** @type {Entry} */ (entry.older);\n if (this.newest_) {\n this.newest_.newer = null;\n }\n } else if (entry === this.oldest_) {\n this.oldest_ = /** @type {Entry} */ (entry.newer);\n if (this.oldest_) {\n this.oldest_.older = null;\n }\n } else {\n entry.newer.older = entry.older;\n entry.older.newer = entry.newer;\n }\n delete this.entries_[key];\n --this.count_;\n return entry.value_;\n };\n\n\n /**\n * @return {number} Count.\n */\n LRUCache.prototype.getCount = function getCount () {\n return this.count_;\n };\n\n\n /**\n * @return {Array} Keys.\n */\n LRUCache.prototype.getKeys = function getKeys () {\n var keys = new Array(this.count_);\n var i = 0;\n var entry;\n for (entry = this.newest_; entry; entry = entry.older) {\n keys[i++] = entry.key_;\n }\n return keys;\n };\n\n\n /**\n * @return {Array} Values.\n */\n LRUCache.prototype.getValues = function getValues () {\n var values = new Array(this.count_);\n var i = 0;\n var entry;\n for (entry = this.newest_; entry; entry = entry.older) {\n values[i++] = entry.value_;\n }\n return values;\n };\n\n\n /**\n * @return {T} Last value.\n */\n LRUCache.prototype.peekLast = function peekLast () {\n return this.oldest_.value_;\n };\n\n\n /**\n * @return {string} Last key.\n */\n LRUCache.prototype.peekLastKey = function peekLastKey () {\n return this.oldest_.key_;\n };\n\n\n /**\n * Get the key of the newest item in the cache. Throws if the cache is empty.\n * @return {string} The newest key.\n */\n LRUCache.prototype.peekFirstKey = function peekFirstKey () {\n return this.newest_.key_;\n };\n\n\n /**\n * @return {T} value Value.\n */\n LRUCache.prototype.pop = function pop () {\n var entry = this.oldest_;\n delete this.entries_[entry.key_];\n if (entry.newer) {\n entry.newer.older = null;\n }\n this.oldest_ = /** @type {Entry} */ (entry.newer);\n if (!this.oldest_) {\n this.newest_ = null;\n }\n --this.count_;\n return entry.value_;\n };\n\n\n /**\n * @param {string} key Key.\n * @param {T} value Value.\n */\n LRUCache.prototype.replace = function replace (key, value) {\n this.get(key); // update `newest_`\n this.entries_[key].value_ = value;\n };\n\n\n /**\n * @param {string} key Key.\n * @param {T} value Value.\n */\n LRUCache.prototype.set = function set (key, value) {\n assert(!(key in this.entries_),\n 16); // Tried to set a value for a key that is used already\n var entry = /** @type {Entry} */ ({\n key_: key,\n newer: null,\n older: this.newest_,\n value_: value\n });\n if (!this.newest_) {\n this.oldest_ = entry;\n } else {\n this.newest_.newer = entry;\n }\n this.newest_ = entry;\n this.entries_[key] = entry;\n ++this.count_;\n };\n\n\n /**\n * Set a maximum number of entries for the cache.\n * @param {number} size Cache size.\n * @api\n */\n LRUCache.prototype.setSize = function setSize (size) {\n this.highWaterMark = size;\n };\n\n\n /**\n * Prune the cache.\n */\n LRUCache.prototype.prune = function prune () {\n while (this.canExpireCache()) {\n this.pop();\n }\n };\n\n return LRUCache;\n}(EventTarget));\n\nexport default LRUCache;\n\n//# sourceMappingURL=LRUCache.js.map","/**\n * @module ol/layer/VectorRenderType\n */\n\n/**\n * @enum {string}\n * Render mode for vector layers:\n * * `'image'`: Vector layers are rendered as images. Great performance, but\n * point symbols and texts are always rotated with the view and pixels are\n * scaled during zoom animations.\n * * `'vector'`: Vector layers are rendered as vectors. Most accurate rendering\n * even during animations, but slower performance.\n * @api\n */\nexport default {\n IMAGE: 'image',\n VECTOR: 'vector'\n};\n\n//# sourceMappingURL=VectorRenderType.js.map","/**\n * @module ol/geom/flat/length\n */\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @return {number} Length.\n */\nexport function lineStringLength(flatCoordinates, offset, end, stride) {\n var x1 = flatCoordinates[offset];\n var y1 = flatCoordinates[offset + 1];\n var length = 0;\n for (var i = offset + stride; i < end; i += stride) {\n var x2 = flatCoordinates[i];\n var y2 = flatCoordinates[i + 1];\n length += Math.sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));\n x1 = x2;\n y1 = y2;\n }\n return length;\n}\n\n\n/**\n * @param {Array} flatCoordinates Flat coordinates.\n * @param {number} offset Offset.\n * @param {number} end End.\n * @param {number} stride Stride.\n * @return {number} Perimeter.\n */\nexport function linearRingLength(flatCoordinates, offset, end, stride) {\n var perimeter = lineStringLength(flatCoordinates, offset, end, stride);\n var dx = flatCoordinates[end - stride] - flatCoordinates[offset];\n var dy = flatCoordinates[end - stride + 1] - flatCoordinates[offset + 1];\n perimeter += Math.sqrt(dx * dx + dy * dy);\n return perimeter;\n}\n\n//# sourceMappingURL=length.js.map","/**\n * @module ol/style/Image\n */\nimport {abstract} from '../util.js';\n\n\n/**\n * @typedef {Object} Options\n * @property {number} opacity\n * @property {boolean} rotateWithView\n * @property {number} rotation\n * @property {number} scale\n */\n\n\n/**\n * @classdesc\n * A base class used for creating subclasses and not instantiated in\n * apps. Base class for {@link module:ol/style/Icon~Icon}, {@link module:ol/style/Circle~CircleStyle} and\n * {@link module:ol/style/RegularShape~RegularShape}.\n * @abstract\n * @api\n */\nvar ImageStyle = function ImageStyle(options) {\n\n /**\n * @private\n * @type {number}\n */\n this.opacity_ = options.opacity;\n\n /**\n * @private\n * @type {boolean}\n */\n this.rotateWithView_ = options.rotateWithView;\n\n /**\n * @private\n * @type {number}\n */\n this.rotation_ = options.rotation;\n\n /**\n * @private\n * @type {number}\n */\n this.scale_ = options.scale;\n\n};\n\n/**\n * Clones the style.\n * @return {ImageStyle} The cloned style.\n * @api\n */\nImageStyle.prototype.clone = function clone () {\n return new ImageStyle({\n opacity: this.getOpacity(),\n scale: this.getScale(),\n rotation: this.getRotation(),\n rotateWithView: this.getRotateWithView()\n });\n};\n\n/**\n * Get the symbolizer opacity.\n * @return {number} Opacity.\n * @api\n */\nImageStyle.prototype.getOpacity = function getOpacity () {\n return this.opacity_;\n};\n\n/**\n * Determine whether the symbolizer rotates with the map.\n * @return {boolean} Rotate with map.\n * @api\n */\nImageStyle.prototype.getRotateWithView = function getRotateWithView () {\n return this.rotateWithView_;\n};\n\n/**\n * Get the symoblizer rotation.\n * @return {number} Rotation.\n * @api\n */\nImageStyle.prototype.getRotation = function getRotation () {\n return this.rotation_;\n};\n\n/**\n * Get the symbolizer scale.\n * @return {number} Scale.\n * @api\n */\nImageStyle.prototype.getScale = function getScale () {\n return this.scale_;\n};\n\n/**\n * This method is deprecated and always returns false.\n * @return {boolean} false.\n * @deprecated\n * @api\n */\nImageStyle.prototype.getSnapToPixel = function getSnapToPixel () {\n return false;\n};\n\n/**\n * Get the anchor point in pixels. The anchor determines the center point for the\n * symbolizer.\n * @abstract\n * @return {Array} Anchor.\n */\nImageStyle.prototype.getAnchor = function getAnchor () {\n return abstract();\n};\n\n/**\n * Get the image element for the symbolizer.\n * @abstract\n * @param {number} pixelRatio Pixel ratio.\n * @return {HTMLCanvasElement|HTMLVideoElement|HTMLImageElement} Image element.\n */\nImageStyle.prototype.getImage = function getImage (pixelRatio) {\n return abstract();\n};\n\n/**\n * @abstract\n * @param {number} pixelRatio Pixel ratio.\n * @return {HTMLCanvasElement|HTMLVideoElement|HTMLImageElement} Image element.\n */\nImageStyle.prototype.getHitDetectionImage = function getHitDetectionImage (pixelRatio) {\n return abstract();\n};\n\n/**\n * @abstract\n * @return {import(\"../ImageState.js\").default} Image state.\n */\nImageStyle.prototype.getImageState = function getImageState () {\n return abstract();\n};\n\n/**\n * @abstract\n * @return {import(\"../size.js\").Size} Image size.\n */\nImageStyle.prototype.getImageSize = function getImageSize () {\n return abstract();\n};\n\n/**\n * @abstract\n * @return {import(\"../size.js\").Size} Size of the hit-detection image.\n */\nImageStyle.prototype.getHitDetectionImageSize = function getHitDetectionImageSize () {\n return abstract();\n};\n\n/**\n * Get the origin of the symbolizer.\n * @abstract\n * @return {Array} Origin.\n */\nImageStyle.prototype.getOrigin = function getOrigin () {\n return abstract();\n};\n\n/**\n * Get the size of the symbolizer (in pixels).\n * @abstract\n * @return {import(\"../size.js\").Size} Size.\n */\nImageStyle.prototype.getSize = function getSize () {\n return abstract();\n};\n\n/**\n * Set the opacity.\n *\n * @param {number} opacity Opacity.\n * @api\n */\nImageStyle.prototype.setOpacity = function setOpacity (opacity) {\n this.opacity_ = opacity;\n};\n\n/**\n * Set whether to rotate the style with the view.\n *\n * @param {boolean} rotateWithView Rotate with map.\n * @api\n */\nImageStyle.prototype.setRotateWithView = function setRotateWithView (rotateWithView) {\n this.rotateWithView_ = rotateWithView;\n};\n\n/**\n * Set the rotation.\n *\n * @param {number} rotation Rotation.\n * @api\n */\nImageStyle.prototype.setRotation = function setRotation (rotation) {\n this.rotation_ = rotation;\n};\n/**\n * Set the scale.\n *\n * @param {number} scale Scale.\n * @api\n */\nImageStyle.prototype.setScale = function setScale (scale) {\n this.scale_ = scale;\n};\n\n/**\n * This method is deprecated and does nothing.\n * @param {boolean} snapToPixel Snap to pixel?\n * @deprecated\n * @api\n */\nImageStyle.prototype.setSnapToPixel = function setSnapToPixel (snapToPixel) {};\n\n/**\n * @abstract\n * @param {function(this: T, import(\"../events/Event.js\").default)} listener Listener function.\n * @param {T} thisArg Value to use as `this` when executing `listener`.\n * @return {import(\"../events.js\").EventsKey|undefined} Listener key.\n * @template T\n */\nImageStyle.prototype.listenImageChange = function listenImageChange (listener, thisArg) {\n return abstract();\n};\n\n/**\n * Load not yet loaded URI.\n * @abstract\n */\nImageStyle.prototype.load = function load () {\n abstract();\n};\n\n/**\n * @abstract\n * @param {function(this: T, import(\"../events/Event.js\").default)} listener Listener function.\n * @param {T} thisArg Value to use as `this` when executing `listener`.\n * @template T\n */\nImageStyle.prototype.unlistenImageChange = function unlistenImageChange (listener, thisArg) {\n abstract();\n};\n\nexport default ImageStyle;\n\n//# sourceMappingURL=Image.js.map","/**\n * @module ol/source/Source\n */\nimport {abstract} from '../util.js';\nimport BaseObject from '../Object.js';\nimport {get as getProjection} from '../proj.js';\nimport SourceState from './State.js';\n\n\n/**\n * A function that returns a string or an array of strings representing source\n * attributions.\n *\n * @typedef {function(import(\"../PluggableMap.js\").FrameState): (string|Array)} Attribution\n */\n\n\n/**\n * A type that can be used to provide attribution information for data sources.\n *\n * It represents either\n * * a simple string (e.g. `'© Acme Inc.'`)\n * * an array of simple strings (e.g. `['© Acme Inc.', '© Bacme Inc.']`)\n * * a function that returns a string or array of strings (`{@link module:ol/source/Source~Attribution}`)\n *\n * @typedef {string|Array|Attribution} AttributionLike\n */\n\n\n/**\n * @typedef {Object} Options\n * @property {AttributionLike} [attributions]\n * @property {boolean} [attributionsCollapsible=true] Attributions are collapsible.\n * @property {import(\"../proj.js\").ProjectionLike} projection\n * @property {SourceState} [state='ready']\n * @property {boolean} [wrapX=false]\n */\n\n\n/**\n * @classdesc\n * Abstract base class; normally only used for creating subclasses and not\n * instantiated in apps.\n * Base class for {@link module:ol/layer/Layer~Layer} sources.\n *\n * A generic `change` event is triggered when the state of the source changes.\n * @abstract\n * @api\n */\nvar Source = /*@__PURE__*/(function (BaseObject) {\n function Source(options) {\n\n BaseObject.call(this);\n\n /**\n * @private\n * @type {import(\"../proj/Projection.js\").default}\n */\n this.projection_ = getProjection(options.projection);\n\n /**\n * @private\n * @type {?Attribution}\n */\n this.attributions_ = adaptAttributions(options.attributions);\n\n /**\n * @private\n * @type {boolean}\n */\n this.attributionsCollapsible_ = options.attributionsCollapsible !== undefined ?\n options.attributionsCollapsible : true;\n\n /**\n * This source is currently loading data. Sources that defer loading to the\n * map's tile queue never set this to `true`.\n * @type {boolean}\n */\n this.loading = false;\n\n /**\n * @private\n * @type {SourceState}\n */\n this.state_ = options.state !== undefined ?\n options.state : SourceState.READY;\n\n /**\n * @private\n * @type {boolean}\n */\n this.wrapX_ = options.wrapX !== undefined ? options.wrapX : false;\n\n }\n\n if ( BaseObject ) Source.__proto__ = BaseObject;\n Source.prototype = Object.create( BaseObject && BaseObject.prototype );\n Source.prototype.constructor = Source;\n\n /**\n * Get the attribution function for the source.\n * @return {?Attribution} Attribution function.\n */\n Source.prototype.getAttributions = function getAttributions () {\n return this.attributions_;\n };\n\n /**\n * @return {boolean} Aattributions are collapsible.\n */\n Source.prototype.getAttributionsCollapsible = function getAttributionsCollapsible () {\n return this.attributionsCollapsible_;\n };\n\n /**\n * Get the projection of the source.\n * @return {import(\"../proj/Projection.js\").default} Projection.\n * @api\n */\n Source.prototype.getProjection = function getProjection () {\n return this.projection_;\n };\n\n /**\n * @abstract\n * @return {Array|undefined} Resolutions.\n */\n Source.prototype.getResolutions = function getResolutions () {\n return abstract();\n };\n\n /**\n * Get the state of the source, see {@link module:ol/source/State~State} for possible states.\n * @return {SourceState} State.\n * @api\n */\n Source.prototype.getState = function getState () {\n return this.state_;\n };\n\n /**\n * @return {boolean|undefined} Wrap X.\n */\n Source.prototype.getWrapX = function getWrapX () {\n return this.wrapX_;\n };\n\n /**\n * Refreshes the source and finally dispatches a 'change' event.\n * @api\n */\n Source.prototype.refresh = function refresh () {\n this.changed();\n };\n\n /**\n * Set the attributions of the source.\n * @param {AttributionLike|undefined} attributions Attributions.\n * Can be passed as `string`, `Array`, `{@link module:ol/source/Source~Attribution}`,\n * or `undefined`.\n * @api\n */\n Source.prototype.setAttributions = function setAttributions (attributions) {\n this.attributions_ = adaptAttributions(attributions);\n this.changed();\n };\n\n /**\n * Set the state of the source.\n * @param {SourceState} state State.\n * @protected\n */\n Source.prototype.setState = function setState (state) {\n this.state_ = state;\n this.changed();\n };\n\n return Source;\n}(BaseObject));\n\n\n/**\n * Turns the attributions option into an attributions function.\n * @param {AttributionLike|undefined} attributionLike The attribution option.\n * @return {?Attribution} An attribution function (or null).\n */\nfunction adaptAttributions(attributionLike) {\n if (!attributionLike) {\n return null;\n }\n if (Array.isArray(attributionLike)) {\n return function(frameState) {\n return attributionLike;\n };\n }\n\n if (typeof attributionLike === 'function') {\n return attributionLike;\n }\n\n return function(frameState) {\n return [attributionLike];\n };\n}\n\n\nexport default Source;\n\n//# sourceMappingURL=Source.js.map","/**\n * @module ol/style/Circle\n */\n\nimport RegularShape from './RegularShape.js';\n\n\n/**\n * @typedef {Object} Options\n * @property {import(\"./Fill.js\").default} [fill] Fill style.\n * @property {number} radius Circle radius.\n * @property {import(\"./Stroke.js\").default} [stroke] Stroke style.\n * @property {import(\"./AtlasManager.js\").default} [atlasManager] The atlas manager to use for this circle.\n * When using WebGL it is recommended to use an atlas manager to avoid texture switching. If an atlas manager is given,\n * the circle is added to an atlas. By default no atlas manager is used.\n */\n\n\n/**\n * @classdesc\n * Set circle style for vector features.\n * @api\n */\nvar CircleStyle = /*@__PURE__*/(function (RegularShape) {\n function CircleStyle(opt_options) {\n\n var options = opt_options || /** @type {Options} */ ({});\n\n RegularShape.call(this, {\n points: Infinity,\n fill: options.fill,\n radius: options.radius,\n stroke: options.stroke,\n atlasManager: options.atlasManager\n });\n\n }\n\n if ( RegularShape ) CircleStyle.__proto__ = RegularShape;\n CircleStyle.prototype = Object.create( RegularShape && RegularShape.prototype );\n CircleStyle.prototype.constructor = CircleStyle;\n\n /**\n * Clones the style. If an atlasmanager was provided to the original style it will be used in the cloned style, too.\n * @return {CircleStyle} The cloned style.\n * @override\n * @api\n */\n CircleStyle.prototype.clone = function clone () {\n var style = new CircleStyle({\n fill: this.getFill() ? this.getFill().clone() : undefined,\n stroke: this.getStroke() ? this.getStroke().clone() : undefined,\n radius: this.getRadius(),\n atlasManager: this.atlasManager_\n });\n style.setOpacity(this.getOpacity());\n style.setScale(this.getScale());\n return style;\n };\n\n /**\n * Set the circle radius.\n *\n * @param {number} radius Circle radius.\n * @api\n */\n CircleStyle.prototype.setRadius = function setRadius (radius) {\n this.radius_ = radius;\n this.render_(this.atlasManager_);\n };\n\n return CircleStyle;\n}(RegularShape));\n\n\nexport default CircleStyle;\n\n//# sourceMappingURL=Circle.js.map","/**\n * @module ol/style/RegularShape\n */\n\nimport {asString} from '../color.js';\nimport {asColorLike} from '../colorlike.js';\nimport {createCanvasContext2D} from '../dom.js';\nimport {CANVAS_LINE_DASH} from '../has.js';\nimport ImageState from '../ImageState.js';\nimport {defaultStrokeStyle, defaultFillStyle, defaultLineCap, defaultLineWidth, defaultLineJoin, defaultMiterLimit} from '../render/canvas.js';\nimport ImageStyle from './Image.js';\n\n\n/**\n * Specify radius for regular polygons, or radius1 and radius2 for stars.\n * @typedef {Object} Options\n * @property {import(\"./Fill.js\").default} [fill] Fill style.\n * @property {number} points Number of points for stars and regular polygons. In case of a polygon, the number of points\n * is the number of sides.\n * @property {number} [radius] Radius of a regular polygon.\n * @property {number} [radius1] Outer radius of a star.\n * @property {number} [radius2] Inner radius of a star.\n * @property {number} [angle=0] Shape's angle in radians. A value of 0 will have one of the shape's point facing up.\n * @property {import(\"./Stroke.js\").default} [stroke] Stroke style.\n * @property {number} [rotation=0] Rotation in radians (positive rotation clockwise).\n * @property {boolean} [rotateWithView=false] Whether to rotate the shape with the view.\n * @property {import(\"./AtlasManager.js\").default} [atlasManager] The atlas manager to use for this symbol. When\n * using WebGL it is recommended to use an atlas manager to avoid texture switching. If an atlas manager is given, the\n * symbol is added to an atlas. By default no atlas manager is used.\n */\n\n\n/**\n * @typedef {Object} RenderOptions\n * @property {import(\"../colorlike.js\").ColorLike} [strokeStyle]\n * @property {number} strokeWidth\n * @property {number} size\n * @property {string} lineCap\n * @property {Array} lineDash\n * @property {number} lineDashOffset\n * @property {string} lineJoin\n * @property {number} miterLimit\n */\n\n\n/**\n * @classdesc\n * Set regular shape style for vector features. The resulting shape will be\n * a regular polygon when `radius` is provided, or a star when `radius1` and\n * `radius2` are provided.\n * @api\n */\nvar RegularShape = /*@__PURE__*/(function (ImageStyle) {\n function RegularShape(options) {\n /**\n * @type {boolean}\n */\n var rotateWithView = options.rotateWithView !== undefined ?\n options.rotateWithView : false;\n\n ImageStyle.call(this, {\n opacity: 1,\n rotateWithView: rotateWithView,\n rotation: options.rotation !== undefined ? options.rotation : 0,\n scale: 1\n });\n\n /**\n * @private\n * @type {Array}\n */\n this.checksums_ = null;\n\n /**\n * @private\n * @type {HTMLCanvasElement}\n */\n this.canvas_ = null;\n\n /**\n * @private\n * @type {HTMLCanvasElement}\n */\n this.hitDetectionCanvas_ = null;\n\n /**\n * @private\n * @type {import(\"./Fill.js\").default}\n */\n this.fill_ = options.fill !== undefined ? options.fill : null;\n\n /**\n * @private\n * @type {Array}\n */\n this.origin_ = [0, 0];\n\n /**\n * @private\n * @type {number}\n */\n this.points_ = options.points;\n\n /**\n * @protected\n * @type {number}\n */\n this.radius_ = /** @type {number} */ (options.radius !== undefined ?\n options.radius : options.radius1);\n\n /**\n * @private\n * @type {number|undefined}\n */\n this.radius2_ = options.radius2;\n\n /**\n * @private\n * @type {number}\n */\n this.angle_ = options.angle !== undefined ? options.angle : 0;\n\n /**\n * @private\n * @type {import(\"./Stroke.js\").default}\n */\n this.stroke_ = options.stroke !== undefined ? options.stroke : null;\n\n /**\n * @private\n * @type {Array}\n */\n this.anchor_ = null;\n\n /**\n * @private\n * @type {import(\"../size.js\").Size}\n */\n this.size_ = null;\n\n /**\n * @private\n * @type {import(\"../size.js\").Size}\n */\n this.imageSize_ = null;\n\n /**\n * @private\n * @type {import(\"../size.js\").Size}\n */\n this.hitDetectionImageSize_ = null;\n\n /**\n * @protected\n * @type {import(\"./AtlasManager.js\").default|undefined}\n */\n this.atlasManager_ = options.atlasManager;\n\n this.render_(this.atlasManager_);\n\n }\n\n if ( ImageStyle ) RegularShape.__proto__ = ImageStyle;\n RegularShape.prototype = Object.create( ImageStyle && ImageStyle.prototype );\n RegularShape.prototype.constructor = RegularShape;\n\n /**\n * Clones the style. If an atlasmanager was provided to the original style it will be used in the cloned style, too.\n * @return {RegularShape} The cloned style.\n * @api\n */\n RegularShape.prototype.clone = function clone () {\n var style = new RegularShape({\n fill: this.getFill() ? this.getFill().clone() : undefined,\n points: this.getPoints(),\n radius: this.getRadius(),\n radius2: this.getRadius2(),\n angle: this.getAngle(),\n stroke: this.getStroke() ? this.getStroke().clone() : undefined,\n rotation: this.getRotation(),\n rotateWithView: this.getRotateWithView(),\n atlasManager: this.atlasManager_\n });\n style.setOpacity(this.getOpacity());\n style.setScale(this.getScale());\n return style;\n };\n\n /**\n * @inheritDoc\n * @api\n */\n RegularShape.prototype.getAnchor = function getAnchor () {\n return this.anchor_;\n };\n\n /**\n * Get the angle used in generating the shape.\n * @return {number} Shape's rotation in radians.\n * @api\n */\n RegularShape.prototype.getAngle = function getAngle () {\n return this.angle_;\n };\n\n /**\n * Get the fill style for the shape.\n * @return {import(\"./Fill.js\").default} Fill style.\n * @api\n */\n RegularShape.prototype.getFill = function getFill () {\n return this.fill_;\n };\n\n /**\n * @inheritDoc\n */\n RegularShape.prototype.getHitDetectionImage = function getHitDetectionImage (pixelRatio) {\n return this.hitDetectionCanvas_;\n };\n\n /**\n * @inheritDoc\n * @api\n */\n RegularShape.prototype.getImage = function getImage (pixelRatio) {\n return this.canvas_;\n };\n\n /**\n * @inheritDoc\n */\n RegularShape.prototype.getImageSize = function getImageSize () {\n return this.imageSize_;\n };\n\n /**\n * @inheritDoc\n */\n RegularShape.prototype.getHitDetectionImageSize = function getHitDetectionImageSize () {\n return this.hitDetectionImageSize_;\n };\n\n /**\n * @inheritDoc\n */\n RegularShape.prototype.getImageState = function getImageState () {\n return ImageState.LOADED;\n };\n\n /**\n * @inheritDoc\n * @api\n */\n RegularShape.prototype.getOrigin = function getOrigin () {\n return this.origin_;\n };\n\n /**\n * Get the number of points for generating the shape.\n * @return {number} Number of points for stars and regular polygons.\n * @api\n */\n RegularShape.prototype.getPoints = function getPoints () {\n return this.points_;\n };\n\n /**\n * Get the (primary) radius for the shape.\n * @return {number} Radius.\n * @api\n */\n RegularShape.prototype.getRadius = function getRadius () {\n return this.radius_;\n };\n\n /**\n * Get the secondary radius for the shape.\n * @return {number|undefined} Radius2.\n * @api\n */\n RegularShape.prototype.getRadius2 = function getRadius2 () {\n return this.radius2_;\n };\n\n /**\n * @inheritDoc\n * @api\n */\n RegularShape.prototype.getSize = function getSize () {\n return this.size_;\n };\n\n /**\n * Get the stroke style for the shape.\n * @return {import(\"./Stroke.js\").default} Stroke style.\n * @api\n */\n RegularShape.prototype.getStroke = function getStroke () {\n return this.stroke_;\n };\n\n /**\n * @inheritDoc\n */\n RegularShape.prototype.listenImageChange = function listenImageChange (listener, thisArg) {\n return undefined;\n };\n\n /**\n * @inheritDoc\n */\n RegularShape.prototype.load = function load () {};\n\n /**\n * @inheritDoc\n */\n RegularShape.prototype.unlistenImageChange = function unlistenImageChange (listener, thisArg) {};\n\n /**\n * @protected\n * @param {import(\"./AtlasManager.js\").default|undefined} atlasManager An atlas manager.\n */\n RegularShape.prototype.render_ = function render_ (atlasManager) {\n var imageSize;\n var lineCap = '';\n var lineJoin = '';\n var miterLimit = 0;\n var lineDash = null;\n var lineDashOffset = 0;\n var strokeStyle;\n var strokeWidth = 0;\n\n if (this.stroke_) {\n strokeStyle = this.stroke_.getColor();\n if (strokeStyle === null) {\n strokeStyle = defaultStrokeStyle;\n }\n strokeStyle = asColorLike(strokeStyle);\n strokeWidth = this.stroke_.getWidth();\n if (strokeWidth === undefined) {\n strokeWidth = defaultLineWidth;\n }\n lineDash = this.stroke_.getLineDash();\n lineDashOffset = this.stroke_.getLineDashOffset();\n if (!CANVAS_LINE_DASH) {\n lineDash = null;\n lineDashOffset = 0;\n }\n lineJoin = this.stroke_.getLineJoin();\n if (lineJoin === undefined) {\n lineJoin = defaultLineJoin;\n }\n lineCap = this.stroke_.getLineCap();\n if (lineCap === undefined) {\n lineCap = defaultLineCap;\n }\n miterLimit = this.stroke_.getMiterLimit();\n if (miterLimit === undefined) {\n miterLimit = defaultMiterLimit;\n }\n }\n\n var size = 2 * (this.radius_ + strokeWidth) + 1;\n\n /** @type {RenderOptions} */\n var renderOptions = {\n strokeStyle: strokeStyle,\n strokeWidth: strokeWidth,\n size: size,\n lineCap: lineCap,\n lineDash: lineDash,\n lineDashOffset: lineDashOffset,\n lineJoin: lineJoin,\n miterLimit: miterLimit\n };\n\n if (atlasManager === undefined) {\n // no atlas manager is used, create a new canvas\n var context = createCanvasContext2D(size, size);\n this.canvas_ = context.canvas;\n\n // canvas.width and height are rounded to the closest integer\n size = this.canvas_.width;\n imageSize = size;\n\n this.draw_(renderOptions, context, 0, 0);\n\n this.createHitDetectionCanvas_(renderOptions);\n } else {\n // an atlas manager is used, add the symbol to an atlas\n size = Math.round(size);\n\n var hasCustomHitDetectionImage = !this.fill_;\n var renderHitDetectionCallback;\n if (hasCustomHitDetectionImage) {\n // render the hit-detection image into a separate atlas image\n renderHitDetectionCallback =\n this.drawHitDetectionCanvas_.bind(this, renderOptions);\n }\n\n var id = this.getChecksum();\n var info = atlasManager.add(\n id, size, size, this.draw_.bind(this, renderOptions),\n renderHitDetectionCallback);\n\n this.canvas_ = info.image;\n this.origin_ = [info.offsetX, info.offsetY];\n imageSize = info.image.width;\n\n if (hasCustomHitDetectionImage) {\n this.hitDetectionCanvas_ = info.hitImage;\n this.hitDetectionImageSize_ =\n [info.hitImage.width, info.hitImage.height];\n } else {\n this.hitDetectionCanvas_ = this.canvas_;\n this.hitDetectionImageSize_ = [imageSize, imageSize];\n }\n }\n\n this.anchor_ = [size / 2, size / 2];\n this.size_ = [size, size];\n this.imageSize_ = [imageSize, imageSize];\n };\n\n /**\n * @private\n * @param {RenderOptions} renderOptions Render options.\n * @param {CanvasRenderingContext2D} context The rendering context.\n * @param {number} x The origin for the symbol (x).\n * @param {number} y The origin for the symbol (y).\n */\n RegularShape.prototype.draw_ = function draw_ (renderOptions, context, x, y) {\n var i, angle0, radiusC;\n // reset transform\n context.setTransform(1, 0, 0, 1, 0, 0);\n\n // then move to (x, y)\n context.translate(x, y);\n\n context.beginPath();\n\n var points = this.points_;\n if (points === Infinity) {\n context.arc(\n renderOptions.size / 2, renderOptions.size / 2,\n this.radius_, 0, 2 * Math.PI, true);\n } else {\n var radius2 = (this.radius2_ !== undefined) ? this.radius2_\n : this.radius_;\n if (radius2 !== this.radius_) {\n points = 2 * points;\n }\n for (i = 0; i <= points; i++) {\n angle0 = i * 2 * Math.PI / points - Math.PI / 2 + this.angle_;\n radiusC = i % 2 === 0 ? this.radius_ : radius2;\n context.lineTo(renderOptions.size / 2 + radiusC * Math.cos(angle0),\n renderOptions.size / 2 + radiusC * Math.sin(angle0));\n }\n }\n\n\n if (this.fill_) {\n var color = this.fill_.getColor();\n if (color === null) {\n color = defaultFillStyle;\n }\n context.fillStyle = asColorLike(color);\n context.fill();\n }\n if (this.stroke_) {\n context.strokeStyle = renderOptions.strokeStyle;\n context.lineWidth = renderOptions.strokeWidth;\n if (renderOptions.lineDash) {\n context.setLineDash(renderOptions.lineDash);\n context.lineDashOffset = renderOptions.lineDashOffset;\n }\n context.lineCap = /** @type {CanvasLineCap} */ (renderOptions.lineCap);\n context.lineJoin = /** @type {CanvasLineJoin} */ (renderOptions.lineJoin);\n context.miterLimit = renderOptions.miterLimit;\n context.stroke();\n }\n context.closePath();\n };\n\n /**\n * @private\n * @param {RenderOptions} renderOptions Render options.\n */\n RegularShape.prototype.createHitDetectionCanvas_ = function createHitDetectionCanvas_ (renderOptions) {\n this.hitDetectionImageSize_ = [renderOptions.size, renderOptions.size];\n if (this.fill_) {\n this.hitDetectionCanvas_ = this.canvas_;\n return;\n }\n\n // if no fill style is set, create an extra hit-detection image with a\n // default fill style\n var context = createCanvasContext2D(renderOptions.size, renderOptions.size);\n this.hitDetectionCanvas_ = context.canvas;\n\n this.drawHitDetectionCanvas_(renderOptions, context, 0, 0);\n };\n\n /**\n * @private\n * @param {RenderOptions} renderOptions Render options.\n * @param {CanvasRenderingContext2D} context The context.\n * @param {number} x The origin for the symbol (x).\n * @param {number} y The origin for the symbol (y).\n */\n RegularShape.prototype.drawHitDetectionCanvas_ = function drawHitDetectionCanvas_ (renderOptions, context, x, y) {\n // reset transform\n context.setTransform(1, 0, 0, 1, 0, 0);\n\n // then move to (x, y)\n context.translate(x, y);\n\n context.beginPath();\n\n var points = this.points_;\n if (points === Infinity) {\n context.arc(\n renderOptions.size / 2, renderOptions.size / 2,\n this.radius_, 0, 2 * Math.PI, true);\n } else {\n var radius2 = (this.radius2_ !== undefined) ? this.radius2_\n : this.radius_;\n if (radius2 !== this.radius_) {\n points = 2 * points;\n }\n var i, radiusC, angle0;\n for (i = 0; i <= points; i++) {\n angle0 = i * 2 * Math.PI / points - Math.PI / 2 + this.angle_;\n radiusC = i % 2 === 0 ? this.radius_ : radius2;\n context.lineTo(renderOptions.size / 2 + radiusC * Math.cos(angle0),\n renderOptions.size / 2 + radiusC * Math.sin(angle0));\n }\n }\n\n context.fillStyle = asString(defaultFillStyle);\n context.fill();\n if (this.stroke_) {\n context.strokeStyle = renderOptions.strokeStyle;\n context.lineWidth = renderOptions.strokeWidth;\n if (renderOptions.lineDash) {\n context.setLineDash(renderOptions.lineDash);\n context.lineDashOffset = renderOptions.lineDashOffset;\n }\n context.stroke();\n }\n context.closePath();\n };\n\n /**\n * @return {string} The checksum.\n */\n RegularShape.prototype.getChecksum = function getChecksum () {\n var strokeChecksum = this.stroke_ ?\n this.stroke_.getChecksum() : '-';\n var fillChecksum = this.fill_ ?\n this.fill_.getChecksum() : '-';\n\n var recalculate = !this.checksums_ ||\n (strokeChecksum != this.checksums_[1] ||\n fillChecksum != this.checksums_[2] ||\n this.radius_ != this.checksums_[3] ||\n this.radius2_ != this.checksums_[4] ||\n this.angle_ != this.checksums_[5] ||\n this.points_ != this.checksums_[6]);\n\n if (recalculate) {\n var checksum = 'r' + strokeChecksum + fillChecksum +\n (this.radius_ !== undefined ? this.radius_.toString() : '-') +\n (this.radius2_ !== undefined ? this.radius2_.toString() : '-') +\n (this.angle_ !== undefined ? this.angle_.toString() : '-') +\n (this.points_ !== undefined ? this.points_.toString() : '-');\n this.checksums_ = [checksum, strokeChecksum, fillChecksum,\n this.radius_, this.radius2_, this.angle_, this.points_];\n }\n\n return /** @type {string} */ (this.checksums_[0]);\n };\n\n return RegularShape;\n}(ImageStyle));\n\n\nexport default RegularShape;\n\n//# sourceMappingURL=RegularShape.js.map","/**\n * @module ol/style/Fill\n */\nimport {getUid} from '../util.js';\nimport {asString} from '../color.js';\n\n\n/**\n * @typedef {Object} Options\n * @property {import(\"../color.js\").Color|import(\"../colorlike.js\").ColorLike} [color] A color, gradient or pattern.\n * See {@link module:ol/color~Color} and {@link module:ol/colorlike~ColorLike} for possible formats.\n * Default null; if null, the Canvas/renderer default black will be used.\n */\n\n\n/**\n * @classdesc\n * Set fill style for vector features.\n * @api\n */\nvar Fill = function Fill(opt_options) {\n\n var options = opt_options || {};\n\n /**\n * @private\n * @type {import(\"../color.js\").Color|import(\"../colorlike.js\").ColorLike}\n */\n this.color_ = options.color !== undefined ? options.color : null;\n\n /**\n * @private\n * @type {string|undefined}\n */\n this.checksum_ = undefined;\n};\n\n/**\n * Clones the style. The color is not cloned if it is an {@link module:ol/colorlike~ColorLike}.\n * @return {Fill} The cloned style.\n * @api\n */\nFill.prototype.clone = function clone () {\n var color = this.getColor();\n return new Fill({\n color: Array.isArray(color) ? color.slice() : color || undefined\n });\n};\n\n/**\n * Get the fill color.\n * @return {import(\"../color.js\").Color|import(\"../colorlike.js\").ColorLike} Color.\n * @api\n */\nFill.prototype.getColor = function getColor () {\n return this.color_;\n};\n\n/**\n * Set the color.\n *\n * @param {import(\"../color.js\").Color|import(\"../colorlike.js\").ColorLike} color Color.\n * @api\n */\nFill.prototype.setColor = function setColor (color) {\n this.color_ = color;\n this.checksum_ = undefined;\n};\n\n/**\n * @return {string} The checksum.\n */\nFill.prototype.getChecksum = function getChecksum () {\n if (this.checksum_ === undefined) {\n var color = this.color_;\n if (color) {\n if (Array.isArray(color) || typeof color == 'string') {\n this.checksum_ = 'f' + asString(/** @type {import(\"../color.js\").Color|string} */ (color));\n } else {\n this.checksum_ = getUid(this.color_);\n }\n } else {\n this.checksum_ = 'f-';\n }\n }\n\n return this.checksum_;\n};\n\nexport default Fill;\n\n//# sourceMappingURL=Fill.js.map","/**\n * @module ol/style/Style\n */\n\n/**\n * Feature styles.\n *\n * If no style is defined, the following default style is used:\n * ```js\n * import {Fill, Stroke, Circle, Style} from 'ol/style';\n *\n * var fill = new Fill({\n * color: 'rgba(255,255,255,0.4)'\n * });\n * var stroke = new Stroke({\n * color: '#3399CC',\n * width: 1.25\n * });\n * var styles = [\n * new Style({\n * image: new Circle({\n * fill: fill,\n * stroke: stroke,\n * radius: 5\n * }),\n * fill: fill,\n * stroke: stroke\n * })\n * ];\n * ```\n *\n * A separate editing style has the following defaults:\n * ```js\n * import {Fill, Stroke, Circle, Style} from 'ol/style';\n * import GeometryType from 'ol/geom/GeometryType';\n *\n * var white = [255, 255, 255, 1];\n * var blue = [0, 153, 255, 1];\n * var width = 3;\n * styles[GeometryType.POLYGON] = [\n * new Style({\n * fill: new Fill({\n * color: [255, 255, 255, 0.5]\n * })\n * })\n * ];\n * styles[GeometryType.MULTI_POLYGON] =\n * styles[GeometryType.POLYGON];\n * styles[GeometryType.LINE_STRING] = [\n * new Style({\n * stroke: new Stroke({\n * color: white,\n * width: width + 2\n * })\n * }),\n * new Style({\n * stroke: new Stroke({\n * color: blue,\n * width: width\n * })\n * })\n * ];\n * styles[GeometryType.MULTI_LINE_STRING] =\n * styles[GeometryType.LINE_STRING];\n * styles[GeometryType.POINT] = [\n * new Style({\n * image: new Circle({\n * radius: width * 2,\n * fill: new Fill({\n * color: blue\n * }),\n * stroke: new Stroke({\n * color: white,\n * width: width / 2\n * })\n * }),\n * zIndex: Infinity\n * })\n * ];\n * styles[GeometryType.MULTI_POINT] =\n * styles[GeometryType.POINT];\n * styles[GeometryType.GEOMETRY_COLLECTION] =\n * styles[GeometryType.POLYGON].concat(\n * styles[GeometryType.LINE_STRING],\n * styles[GeometryType.POINT]\n * );\n * ```\n */\nimport {assert} from '../asserts.js';\nimport GeometryType from '../geom/GeometryType.js';\nimport CircleStyle from './Circle.js';\nimport Fill from './Fill.js';\nimport Stroke from './Stroke.js';\n\n\n/**\n * A function that takes an {@link module:ol/Feature} and a `{number}`\n * representing the view's resolution. The function should return a\n * {@link module:ol/style/Style} or an array of them. This way e.g. a\n * vector layer can be styled.\n *\n * @typedef {function(import(\"../Feature.js\").FeatureLike, number):(Style|Array