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preserve bounds while switching map apis

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This commit is contained in:
bfabiszewski 2013-06-21 20:24:40 +02:00
parent 458f1449cb
commit fcd96c74ca
3 changed files with 36 additions and 1 deletions
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17
api_gmaps.js
View File

@ -171,3 +171,20 @@ function addChartEvent(chart) {
}
});
}
//((52.20105108685229, 20.789387865580238), (52.292069558807135, 21.172192736185707))
function getBounds() {
var b = map.getBounds().toString();
var bounds = b.split(',',4);
var lat_sw = bounds[0].replace(/\(/g,'');
var lon_sw = bounds[1].replace(/[ )]/g,'');
var lat_ne = bounds[2].replace(/[ (]/g,'');
var lon_ne = bounds[3].replace(/[ )]/g,'');
return [lon_sw,lat_sw,lon_ne,lat_ne];
}
function zoomToBounds(b) {
var sw = new google.maps.LatLng(b[1],b[0]);
var ne = new google.maps.LatLng(b[3],b[2]);
var bounds = new google.maps.LatLngBounds(sw,ne);
map.fitBounds(bounds);
}

15
api_openlayers.js
View File

@ -167,3 +167,18 @@ function addChartEvent(chart) {
}
});
}
//20.597985430276808,52.15547181298076,21.363595171488573,52.33750879522563
function getBounds() {
var b = map.getExtent().transform(mercator,wgs84).toString();
var bounds = b.split(',',4);
var lon_sw = bounds[0];
var lat_sw = bounds[1];
var lon_ne = bounds[2];
var lat_ne = bounds[3];
return [lon_sw,lat_sw,lon_ne,lat_ne];
}
function zoomToBounds(b) {
var bounds = new OpenLayers.Bounds(b).transform(wgs84,mercator);
map.zoomToExtent(bounds);
}

5
main.js
View File

@ -282,7 +282,9 @@ function setTime() {
}
// dynamic change of map api
var savedBounds;
function loadMapAPI(api) {
savedBounds = getBounds();
document.getElementById("map-canvas").innerHTML = '';
var url = new Array();
if (api=='gmaps') {
@ -322,7 +324,8 @@ function waitAndInit(api) {
return;
}
loadTime = 0;
loadTrack(userid,trackid,1);
zoomToBounds(savedBounds);
loadTrack(userid,trackid,0);
}
function addScript(url) {