Add parsing support for GridOffset

Author: iguess

lib/OpenLayers/Format/WCSDescribeCoverage/v1_1_0.js

@@ -121,7 +121,12 @@ OpenLayers.Format.WCSDescribeCoverage.v1_1_0 = OpenLayers.Class(
                 }
             },
             "GridOffsets": function(node, gridCRS) {
-                gridCRS.gridOffsets = this.getChildValue(node);
+               var xy = this.getChildValue(node).split(' '); 
+                if(xy.length == 2) {
+                    gridCRS.gridOffsets = {};
+                    gridCRS.gridOffsets.x = Number(xy[0]);
+                    gridCRS.gridOffsets.y = Number(xy[1]);
+                }
             },
             "GridCS": function(node, gridCRS) {
                 gridCRS.gridCS = this.getChildValue(node);

tests/Format/WCSDescribeCoverage/v1.html

@@ -17,7 +17,7 @@
     }
 
     function test_read(t) {
-        t.plan(58);     // Number of tests performed: If you add a test below, be sure to increment this accordingly
+        t.plan(59);     // Number of tests performed: If you add a test below, be sure to increment this accordingly
 
         var parser = new OpenLayers.Format.WCSDescribeCoverage();
 
@@ -107,7 +107,8 @@
         var gridCRS = metadata.domain.spatialDomain.gridCRS;
         t.eq(gridCRS.gridBaseCRS, "urn:ogc:def:crs:EPSG::28992", "correct gridBaseCRS");
         t.eq(gridCRS.gridCS, "urn:ogc:def:cs:OGC:0.0:Grid2dSquareCS", "correct gridCS");
-        t.eq(gridCRS.gridOffsets, "0.5 -0.5", "correct gridOffsets");
+        t.eq(gridCRS.gridOffsets.x,  0.5, "correct gridOffsets.x");
+        t.eq(gridCRS.gridOffsets.y, -0.5, "correct gridOffsets.y");
         t.eq(gridCRS.gridOrigin.x, 91979.25, "correct gridOrigin.x");
         t.eq(gridCRS.gridOrigin.y, 437659.25, "correct gridOrigin.y");
         t.eq(gridCRS.gridType, "urn:ogc:def:method:WCS:1.1:2dSimpleGrid", "correct gridType");