Merge pull request #883 from tschaub/nicer-defaults

Setting `transitionEffect: "resize"` by default for `OpenLayers.Layer.Grid`.  Setting `enableKinetic: true` for `OpenLayers.Control.DragPan`.

lib/OpenLayers/Control/DragPan.js

@@ -56,11 +56,11 @@ OpenLayers.Control.DragPan = OpenLayers.Class(OpenLayers.Control, {
      * {Boolean} Set this option to enable "kinetic dragging". Can be
      *     set to true or to an object. If set to an object this
      *     object will be passed to the {<OpenLayers.Kinetic>}
-     *     constructor. Defaults to false.
-     *     If you set this property, you should ensure that 
-     *     OpenLayers/Kinetic.js is included in your build config
+     *     constructor. Defaults to true.
+     *     To get kinetic dragging, ensure that OpenLayers/Kinetic.js is
+     *     included in your build config.
      */
-    enableKinetic: false,
+    enableKinetic: true,
 
     /**
      * APIProperty: kineticInterval
@@ -77,7 +77,7 @@ OpenLayers.Control.DragPan = OpenLayers.Class(OpenLayers.Control, {
      * <panMapDone> as callbacks.
      */    
     draw: function() {
-        if(this.enableKinetic) {
+        if (this.enableKinetic && OpenLayers.Kinetic) {
             var config = {interval: this.kineticInterval};
             if(typeof this.enableKinetic === "object") {
                 config = OpenLayers.Util.extend(config, this.enableKinetic);

lib/OpenLayers/Layer/Grid.js

@@ -96,16 +96,16 @@ OpenLayers.Layer.Grid = OpenLayers.Class(OpenLayers.Layer.HTTPRequest, {
      * {String} The transition effect to use when the map is zoomed.
      * Two posible values:
      *
-     * null - No transition effect (the default).
      * "resize" - Existing tiles are resized on zoom to provide a visual
      * effect of the zoom having taken place immediately.  As the
      * new tiles become available, they are drawn over top of the
-     * resized tiles.
+     * resized tiles (this is the default setting).
+     * null - No transition effect.
      *
      * Using "resize" on non-opaque layers can cause undesired visual
-     * effects. This is therefore discouraged.
+     * effects.  Set transitionEffect to null in this case.
      */
-    transitionEffect: null,
+    transitionEffect: "resize",
 
     /**
      * APIProperty: numLoadingTiles