fixing dateline handling of Util.getFormattedLonLat. p=cayenne, r=me …

…(closes #3411) git-svn-id: http://svn.openlayers.org/trunk/openlayers@12172 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
kochizufan · Jul 18, 2011 · e6a40e1 · e6a40e1
1 parent 46a1013
commit e6a40e1
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/lib/OpenLayers/Util.js b/lib/OpenLayers/Util.js
@@ -1865,6 +1865,9 @@ OpenLayers.Util.getFormattedLonLat = function(coordinate, axis, dmsOption) {
     if (!dmsOption) {
         dmsOption = 'dms';    //default to show degree, minutes, seconds
     }
+
+	coordinate = (coordinate+540)%360 - 180; // normalize for sphere being round
+
     var abscoordinate = Math.abs(coordinate);
     var coordinatedegrees = Math.floor(abscoordinate);
 

diff --git a/tests/Util.html b/tests/Util.html
@@ -1146,10 +1146,12 @@
             "toFloat rounds large floats correctly #2");
     }
     function test_getFormattedLonLat(t) {
-        t.plan(1);
+        t.plan(3);
         var z = 2 + (4/60) - 0.000002 ;
         t.eq(OpenLayers.Util.getFormattedLonLat(z,"lon"), "02°04'00\"E",
             "LonLat does not show 60 seconds.");
+        t.eq(OpenLayers.Util.getFormattedLonLat(-181, "lon"), "179°00'00\"E", "crossing dateline from the west results in correct east coordinate");
+        t.eq(OpenLayers.Util.getFormattedLonLat(181, "lon"), "179°00'00\"W", "crossing dateline from the east results in correct west coordinate");
     }
   </script>
 </head>