Adding gx:Track parsing to the KML format. If extractTracks is true, the parser will extract points from gx:Track elements as features, acquiring attributes from the Placemark plus when, trackId, altitude, heading, tilt, and roll (assuming angles are present). r=ahocevar (closes #2771)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@10631 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

examples/kml-track.js

@@ -0,0 +1,39 @@
+var map;
+
+function init() {
+
+    var mercator = new OpenLayers.Projection("EPSG:900913");
+    var geographic = new OpenLayers.Projection("EPSG:4326");
+
+    map = new OpenLayers.Map({
+        div: "map",
+        projection: mercator,
+        layers: [
+            new OpenLayers.Layer.OSM(),
+            new OpenLayers.Layer.Vector("Aircraft Locations", {
+                projection: geographic,
+                strategies: [new OpenLayers.Strategy.Fixed()],
+                protocol: new OpenLayers.Protocol.HTTP({
+                    url: "kml-track.kml",
+                    format: new OpenLayers.Format.KML({
+                        extractTracks: true
+                    })
+                }),
+                styleMap: new OpenLayers.StyleMap({
+                    "default": new OpenLayers.Style({
+                        graphicName: "circle",
+                        pointRadius: 2,
+                        fillOpacity: 0.5,
+                        fillColor: "#ffcc66",
+                        strokeColor: "#666633",
+                        strokeWidth: 1,
+                    })
+                })
+            })
+        ],
+        center: new OpenLayers.LonLat(-93.2735, 44.8349).transform(geographic, mercator),
+        zoom: 8
+    });
+    
+};
+