Making Layer.PointTrack play nicely with gx:Track from Format.KML. Thanks bartvde for the updated patch. r=fredj,bartvde (closes #2792)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@11722 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2011-03-22 13:46:33 +00:00
parent 2d29236fb0
commit 8f584f2b84
2 changed files with 89 additions and 0 deletions
@@ -0,0 +1,51 @@
+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.PointTrack("Aircraft Tracks", {
+                projection: geographic,
+                strategies: [new OpenLayers.Strategy.Fixed()],
+                protocol: new OpenLayers.Protocol.HTTP({
+                    url: "kml-track.kml",
+                    format: new OpenLayers.Format.KML({
+                        extractTracks: true,
+                        extractStyles: true
+                    })
+                }),
+                dataFrom: OpenLayers.Layer.PointTrack.TARGET_NODE,
+                styleFrom: OpenLayers.Layer.PointTrack.TARGET_NODE,
+                eventListeners: {
+                    "beforefeaturesadded": function(e) {
+                        // group the tracks by fid and create one track for
+                        // every fid
+                        var fid, points = [], feature;
+                        for (var i=0, len=e.features.length; i<len; i++) {
+                            feature = e.features[i];
+                            if (feature.fid !== fid || i === len-1) {
+                                fid = feature.fid;
+                                this.addNodes(points, {silent: true});
+                                points = [];
+                            }
+                            points.push(feature);
+                        }
+                        return false;
+                    }
+                }
+            })
+        ],
+        center: new OpenLayers.LonLat(-93.2735, 44.8349).transform(geographic, mercator),
+        zoom: 8
+    });
+
+    map.addControl(new OpenLayers.Control.LayerSwitcher());
+    
+};
+