Merge pull request openlayers#1360 from sodle/master

bartvde · bartvde · commit 63b8f22b69cc · 2014-07-22T17:39:57.000+02:00
Geodesic area fix (fixes openlayers#1358)
diff --git a/lib/OpenLayers/Geometry/LinearRing.js b/lib/OpenLayers/Geometry/LinearRing.js
@@ -286,7 +286,7 @@ OpenLayers.Geometry.LinearRing = OpenLayers.Class(
                         (2 + Math.sin(OpenLayers.Util.rad(p1.y)) +
                         Math.sin(OpenLayers.Util.rad(p2.y)));
             }
-            area = area * 6378137.0 * 6378137.0 / 2.0;
+            area = area * OpenLayers.Util.VincentyConstants.a * OpenLayers.Util.VincentyConstants.a / 2.0;
         }
         return area;
     },

Original file line number	Diff line number	Diff line change
`@@ -286,7 +286,7 @@ OpenLayers.Geometry.LinearRing = OpenLayers.Class(`
`286`	`286`	`(2 + Math.sin(OpenLayers.Util.rad(p1.y)) +`
`287`	`287`	`Math.sin(OpenLayers.Util.rad(p2.y)));`
`288`	`288`	`}`
`289`		`- area = area * 6378137.0 * 6378137.0 / 2.0;`
	`289`	`+ area = area * OpenLayers.Util.VincentyConstants.a * OpenLayers.Util.VincentyConstants.a / 2.0;`
`290`	`290`	`}`
`291`	`291`	`return area;`
`292`	`292`	`},`