Implement GML.readProjectionFromNode()

src/ol/format/gmlformat.js

@@ -1,5 +1,3 @@
-//FIXME Implement readProjectionFrom*
-
 goog.provide('ol.format.GML');
 
 goog.require('goog.asserts');
@@ -1077,8 +1075,8 @@ ol.format.GML.prototype.readFeaturesFromNode = function(node, opt_options) {
  * @inheritDoc
  */
 ol.format.GML.prototype.readProjectionFromNode = function(node) {
-  //TODO read this from data
-  return ol.proj.get(this.srsName_);
+  return goog.isDef(this.srsName_) ? this.srsName_ :
+      node.firstElementChild.getAttribute('srsName');
 };
 
 

test/spec/ol/format/gmlformat.test.js

@@ -10,10 +10,11 @@ var readGeometry = function(format, text, opt_options) {
 
 describe('ol.format.GML', function() {
 
-  var format, formatWGS84;
+  var format, formatWGS84, formatNoSrs;
   beforeEach(function() {
     format = new ol.format.GML({srsName: 'CRS:84'});
     formatWGS84 = new ol.format.GML({srsName: 'urn:x-ogc:def:crs:EPSG:4326'});
+    formatNoSrs = new ol.format.GML();
   });
 
   describe('#readGeometry', function() {
@@ -55,6 +56,22 @@ describe('ol.format.GML', function() {
         expect(coordinate[1]).to.roughlyEqual(2, 1e-9);
       });
 
+      it('can detect SRS, read and transform a point geometry', function() {
+        var config = {
+          featureProjection: 'EPSG:3857'
+        };
+        var text =
+            '<gml:Point xmlns:gml="http://www.opengis.net/gml" ' +
+            '    srsName="CRS:84">' +
+            '  <gml:pos>1 2</gml:pos>' +
+            '</gml:Point>';
+        var g = readGeometry(formatNoSrs, text, config);
+        expect(g).to.be.an(ol.geom.Point);
+        var coordinates = g.getCoordinates();
+        expect(coordinates.splice(0, 2)).to.eql(
+            ol.proj.transform([1, 2], 'CRS:84', 'EPSG:3857'));
+      });
+
       it('can read and write a point geometry in EPSG:4326', function() {
         var text =
             '<gml:Point xmlns:gml="http://www.opengis.net/gml" ' +