[OpenLayers-Commits] r11374 - trunk/openlayers/tests

Wed Feb 23 17:24:35 EST 2011

Author: crschmidt
Date: 2011-02-23 14:24:35 -0800 (Wed, 23 Feb 2011)
New Revision: 11374

Modified:
   trunk/openlayers/tests/Map.html
Log:
Test that getLonLatFromPixel and getPixelFromLonLat are inverses of each
other (within a reasonable tolerance)


Modified: trunk/openlayers/tests/Map.html
===================================================================

--- trunk/openlayers/tests/Map.html	2011-02-23 18:51:34 UTC (rev 11373)
+++ trunk/openlayers/tests/Map.html	2011-02-23 22:24:35 UTC (rev 11374)
@@ -1667,7 +1667,26 @@
         map.destroy();
         
     }
+    function test_pixel_lonlat(t) {
+        
+        t.plan(4);
 
+        var map = new OpenLayers.Map({
+            div: "map",
+            layers: [
+                new OpenLayers.Layer("name", {isBaseLayer:true})
+            ]
+        });
+        map.zoomToMaxExtent();
+        var px = map.getPixelFromLonLat(map.getLonLatFromPixel(new OpenLayers.Pixel(100, 100)));
+        t.eq(px.x, 100, "x is the same in and ot");
+        t.eq(px.y, 100, "y is the same in and out");
+        var ll = map.getLonLatFromPixel(map.getPixelFromLonLat(new OpenLayers.LonLat(100, 100)));
+        t.ok((ll.lon > (100 -map.getResolution()) && (ll.lon < (100 + map.getResolution()))), "lon is the same in and ot");
+        t.ok((ll.lat > (100 -map.getResolution()) && (ll.lat < (100 + map.getResolution()))), "lat is the same in and ot");
+        map.destroy();
+    }    
+
   </script>
 </head>
 <body>

