set G-Y-M layers' isBaseLayer() to true

git-svn-id: http://svn.openlayers.org/trunk/openlayers@623 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2006-06-20 17:58:11 +00:00
parent b2ca284f9b
commit bf9628ea39
3 changed files with 22 additions and 1 deletions
@@ -36,6 +36,13 @@ OpenLayers.Layer.VirtualEarth.prototype =
        this.map.events.register("addlayer", this, this.loadVEMap);
    },

+    /** Virtual Earth layer is always a base class. 
+     * @type Boolean
+     */
+    isBaseLayer: function() {
+        return true;
+    },
+
    /** 
     * @param {OpenLayers.Bounds} bounds
     * @param {int} zoomChanged