Merge 2.0 branch to trunk.
git-svn-id: http://svn.openlayers.org/trunk/openlayers@1369 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
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@@ -14,6 +14,12 @@ OpenLayers.Layer.VirtualEarth.prototype =
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/** @type VEMap */
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vemap: null,
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/** @type int */
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minZoomLevel: 1,
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/** @type int */
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maxZoomLevel: 17,
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/**
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* @constructor
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*
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@@ -21,6 +27,8 @@ OpenLayers.Layer.VirtualEarth.prototype =
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*/
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initialize:function(name) {
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OpenLayers.Layer.EventPane.prototype.initialize.apply(this, arguments);
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this.numZoomLevels = this.maxZoomLevel - this.minZoomLevel + 1;
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},
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/**
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@@ -200,24 +208,26 @@ OpenLayers.Layer.VirtualEarth.prototype =
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*/
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getZoomForExtent: function (bounds) {
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var maxRes = this.map.getMaxResolution();
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var viewSize = this.map.getSize();
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var width = bounds.getWidth();
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var height = bounds.getHeight();
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var degPerPixel = (width > height) ? width / viewSize.w
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: height / viewSize.h;
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var zoom = Math.floor( (Math.log(maxRes/degPerPixel)) / Math.log(2) );
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var maxZoomLevel = this.map.getMaxZoomLevel();
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var minZoomLevel = this.map.getMinZoomLevel();
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var zoom = null;
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if (this.vemap != null) {
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var maxRes = this.map.getMaxResolution();
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var viewSize = this.map.getSize();
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//make sure zoom is within bounds
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zoom = Math.min( Math.max(zoom, minZoomLevel),
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maxZoomLevel );
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var width = bounds.getWidth();
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var height = bounds.getHeight();
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var degPerPixel = (width > height) ? width / viewSize.w
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: height / viewSize.h;
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var veZoom = Math.floor( (Math.log(maxRes/degPerPixel)) /
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Math.log(2) );
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//make sure zoom is within bounds
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var veZoom = Math.min(Math.max(veZoom, this.minZoomLevel),
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this.maxZoomLevel);
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zoom = this.getOLZoomFromVEZoom(veZoom);
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}
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return zoom;
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},
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@@ -245,7 +255,7 @@ OpenLayers.Layer.VirtualEarth.prototype =
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getOLZoomFromVEZoom: function(veZoom) {
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var zoom = null;
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if (veZoom != null) {
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zoom = veZoom;
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zoom = veZoom - this.minZoomLevel;
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}
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return zoom;
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},
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@@ -260,7 +270,7 @@ OpenLayers.Layer.VirtualEarth.prototype =
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getVEZoomFromOLZoom: function(olZoom) {
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var zoom = null;
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if (olZoom != null) {
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zoom = olZoom;
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zoom = olZoom + this.minZoomLevel;
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}
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return zoom;
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},
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