Commit a 'changeParams' method, along with test and example, to show how it would be possible to use WMS-T with changeParams. ChangeParams sets the new params, then recalls initTiles with the new params set.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@843 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2006-06-30 23:59:42 +00:00
parent c958f9f88a
commit 2117aa0539
4 changed files with 78 additions and 0 deletions
@@ -0,0 +1,42 @@
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <style type="text/css">
+        #map {
+            width: 512px;
+            height: 400px;
+            border: 1px solid black;
+        }
+    </style>
+    <script src="../lib/OpenLayers.js"></script>
+    <script type="text/javascript">
+        <!--
+var map,ia_wms;
+        function init(){
+            map = new OpenLayers.Map('map');
+
+            var ol_wms = new OpenLayers.Layer.WMS( "OpenLayers WMS", 
+                "http://labs.metacarta.com/wms/vmap0?", {layers: 'basic'} );
+
+            var jpl_wms = new OpenLayers.Layer.WMS( "NASA Global Mosaic",
+                "http://wms.jpl.nasa.gov/wms.cgi", 
+                {layers: "modis,global_mosaic"});
+
+	        ia_wms = new OpenLayers.Layer.WMS("Nexrad","http://mesonet.agron.iastate.edu/cgi-bin/wms/nexrad/n0r.cgi?",{layers:"nexrad-n0r-wmst",transparent:true,format:'image/png',time:document.getElementById('time').value});
+
+            jpl_wms.setVisibility(false);
+
+            map.addLayers([ol_wms, jpl_wms, ia_wms]);
+            map.addControl(new OpenLayers.Control.LayerSwitcher());
+            map.zoomToMaxExtent();
+        }
+        // -->
+    </script>
+  </head>
+  <body onload="init()">
+    <h1>OpenLayers Example</h1>
+    <p>WMS-T example: update the times, and the radar image will change. Uses Layer.changeParams. Thanks to Howard Butler for the inspiration, the original code, and the kick in the butt!</p>
+    <input type='text' id='time'  value="2005-08-29T13:00:00Z" onChange='ia_wms.changeParams({"time":this.value});' >
+    <div id="map"></div>
+  </body>
+</html>
+