removing the restrictedMinZoom property, and allow for restricting zoom levels with maxResolution and numZoomLevels. Thanks tschaub for the doc, test and examples improvements. r=tschaub (see #3338)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@12107 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

examples/bing-tiles-restrictedzoom.js

@@ -0,0 +1,37 @@
+// API key for http://openlayers.org. Please get your own at
+// http://bingmapsportal.com/ and use that instead.
+var apiKey = "AqTGBsziZHIJYYxgivLBf0hVdrAk9mWO5cQcb8Yux8sW5M8c8opEC2lZqKR1ZZXf";
+
+var map = new OpenLayers.Map('map', {
+    controls: [
+        new OpenLayers.Control.Attribution(),
+        new OpenLayers.Control.Navigation(),
+        new OpenLayers.Control.PanZoomBar(),
+        new OpenLayers.Control.LayerSwitcher()
+    ]
+});
+
+var road3 = new OpenLayers.Layer.Bing({
+    name: "Road tiles with 3 zoom levels",
+    type: "Road",
+    key: apiKey,
+    maxResolution: 76.43702827453613,
+    numZoomLevels: 3
+});
+var road5 = new OpenLayers.Layer.Bing({
+    name: "Road tiles with 5 zoom levels",
+    type: "Road",
+    key: apiKey,
+    numZoomLevels: 5
+});
+var road = new OpenLayers.Layer.Bing({
+    name: "Road tiles with all zoom levels",
+    type: "Road",
+    key: apiKey
+});
+
+map.addLayers([road3, road5, road]);
+map.setCenter(new OpenLayers.LonLat(-71.147, 42.472).transform(
+    new OpenLayers.Projection("EPSG:4326"),
+    map.getProjectionObject()
+), 1);