Autor: subgurim
Publicado: 2009. 10. 05.
Leído: 45426 veces
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Comentarios (0)
Valoracion: 3,867995
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/**** Explicación / Description ****/
Using this code you can delimite teh bounds an the zoom range you want for your map.
/**** Código de servidor / Server code ****/
if (!IsPostBack)
{
int minResolution = 7;
int maxResolution = 11;
GMap1.addCustomInsideJavascript(string.Format("limitZoomRange({0}, {1}, {2});", GMap1.GMap_Id, minResolution, maxResolution));
GLatLngBounds allowedBounds = new GLatLngBounds(new GLatLng(38, -3), new GLatLng(40, 0));
GMap1.addListener(GListener.Event.move,
string.Format("function() {{limitBoundsRange({0}, {1});}}", GMap1.GMap_Id, allowedBounds));
GMap1.setCenter(allowedBounds.getCenter(), minResolution);
GMap1.addGMapUI(new GMapUI());
}
/**** Código HTML / HTML Code ****/
<cc1:GMap ID="GMap1" runat="server" />
/**** Código Javascript / Javascript Code ****/
<script type="text/javascript">
function limitZoomRange(map, minResolution, maxResolution) {
var mt = map.getMapTypes();
for (var i = 0; i < mt.length; i++) {
mt[i].getMinimumResolution = function() { return minResolution; }
mt[i].getMaximumResolution = function() { return maxResolution; }
}
}
function limitBoundsRange(map, allowedBounds) {
if (allowedBounds.contains(map.getCenter())) {
return;
}
var C = map.getCenter();
var X = C.lng();
var Y = C.lat();
var AmaxX = allowedBounds.getNorthEast().lng();
var AmaxY = allowedBounds.getNorthEast().lat();
var AminX = allowedBounds.getSouthWest().lng();
var AminY = allowedBounds.getSouthWest().lat();
if (X < AminX) { X = AminX; }
if (X > AmaxX) { X = AmaxX; }
if (Y < AminY) { Y = AminY; }
if (Y > AmaxY) { Y = AmaxY; }
map.setCenter(new GLatLng(Y, X));
}
</script>
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