Ticket #168: Map.js.patch

Map.js

@@ -810 +810 @@
-    },
-
-    /**
+     * @returns The current scale denominator of the map. 
+     *          If no baselayer is set, returns null.
+     * @type float
+     */
+    getScale: function () {
+        var scale = null;
+        
+        if (this.baseLayer != null) {
+            var res = this.baseLayer.getResolution();
+            var units = this.baseLayer.units;
+            scale = res * OpenLayers.INCHES_PER_UNIT[units] *
+                    OpenLayers.DOTS_PER_INCH;
+        }
+        return scale;
+    },
+
+    /**
-    * @param {OpenLayers.Bounds} bounds
-    *
-    * @returns A suitable zoom level for the specified bounds.