Add example for determining lat/lon from pixel, on a mouse click.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@1913 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2006-11-19 13:21:26 +00:00
parent 4c9e46e240
commit e1d715fc94
1 changed files with 43 additions and 0 deletions
@@ -0,0 +1,43 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
  <head>
 	<title>OpenLayers Cursor Example</title>
    <style type="text/css">
        #map {
 			width: 700px;
 			height: 400px;
            border: 1px solid black;
        }
    </style>
    <script src="../lib/OpenLayers.js"></script>
    <script type="text/javascript">
        <!--
        function init(){
            var map = new OpenLayers.Map('map', { controls: [] });
            map.addControl(new OpenLayers.Control.PanZoomBar());
            map.addControl(new OpenLayers.Control.MouseToolbar());
            map.addControl(new OpenLayers.Control.MousePosition());
            var ol_wms = new OpenLayers.Layer.WMS( "OpenLayers WMS", 
                "http://labs.metacarta.com/wms/vmap0",
                {layers: 'basic'} );
            map.addLayers([ol_wms]);
 			OpenLayers.Event.observe($('map'),"click",mapclicked.bindAsEventListener(map)); 
 			function mapclicked(e){
                var lonlat = map.getLonLatFromPixel(e.xy);                
                alert("Lat: " + lonlat.lat + " (Pixel.x:" + e.xy.x + ")" + "\n" + "Lon: " + lonlat.lon + " (Pixel.y:" + e.xy.y + ")" );
            };
            if (!map.getCenter()) map.zoomToMaxExtent();
        }
        // -->
    </script>
  </head>
  <body onload="init()">
    <h1>OpenLayers Cursor Example</h1>
    <div id="map"></div>
  </body>
 </html>