Files
openlayers/examples/zoomslider.js
2013-03-14 09:37:36 +01:00

44 lines
1.0 KiB
JavaScript

goog.require('ol.Coordinate');
goog.require('ol.Map');
goog.require('ol.View2D');
goog.require('ol.control.ZoomSlider');
goog.require('ol.layer.TileLayer');
goog.require('ol.source.MapQuestOpenAerial');
/**
* Helper method for map-creation.
*
* @param {string} divId The id of the div for the map.
* @return {ol.Map} The ol.Map instance.
*/
var createMap = function(divId) {
var source, layer, map, zoomslider, resolutions, minRes, maxRes;
source = new ol.source.MapQuestOpenAerial();
// These are the min and max resolutions of MapQuestOpenAerial
minRes = 0.5971642834779395;
maxRes = 156543.03392804097;
layer = new ol.layer.TileLayer({
source: source
});
map = new ol.Map({
layers: [layer],
target: divId,
view: new ol.View2D({
center: new ol.Coordinate(0, 0),
zoom: 2
})
});
zoomslider = new ol.control.ZoomSlider({
minResolution: minRes,
maxResolution: maxRes,
map: map
});
return map;
};
var map1 = createMap('map1');
var map2 = createMap('map2');
var map3 = createMap('map3');