Changeset 2657

Timestamp:

03/11/07 00:18:40 (2 years ago)

Author:

crschmidt

Message:

Improve KML support: Add support for both 2 and 3 dimensions.
Also add an example demonstrating a linestring from the Google
Earth examples.

Files:

• sandbox/vector-2.4/examples/kml-layer-linestring.html (added)
• sandbox/vector-2.4/examples/kml/lines.kml (added)
• sandbox/vector-2.4/lib/OpenLayers/Format/KML.js (modified) (4 diffs)

sandbox/vector-2.4/lib/OpenLayers/Format/KML.js

@@ -26 +26 @@
-        }    
-        var featureNodes = OpenLayers.Ajax.getElementsByTagNameNS(data, this.kmlns, "", "Placemark");
-
-        // We only support 2D at the moment
-        this.dim = 2;
-        
-        var features = [];
@@ -64 +61 @@
-            if (p.points) {
-                geom = p.points[0];
+                // TBD Bounds only set for one of multiple geometries
+                geom.extendBounds(p.bounds);
+            }
+        
+        // match LineString 
+        } else if (OpenLayers.Ajax.getElementsByTagNameNS(xmlNode,
+            this.kmlns, "", "LineString").length != 0) {
+            var linestring = OpenLayers.Ajax.getElementsByTagNameNS(xmlNode,
+                this.kmlns, "", "LineString")[0];
+            p = this.parseCoords(linestring);
+            if (p.points) {
+                geom = new OpenLayers.Geometry.LineString(p.points);
-                // TBD Bounds only set for one of multiple geometries
-                geom.extendBounds(p.bounds);
@@ -115 +124 @@
-    parseCoords: function(xmlNode) {
-        var p = [];
-    
+
-        // TBD: Need to handle an array of coordNodes not just coordNodes[0]
-        
-
+
+
-        
+        var firstCoord = coordString.split(" ");
+        
+        while (firstCoord[0] == "") 
+            firstCoord.shift();
+        
+        var dim = firstCoord[0].split(",").length;
+
-        // Extract an array of Numbers from CoordString
-        var nums = (coordString) ? coordString.split(/[, \n\t]+/) : [];
+        
-        
-        // Remove elements caused by leading and trailing white space
@@ -130 +148 @@
-            nums.pop();
-        
-this.
+
-            x = parseFloat(nums[i]);
-            y = parseFloat(nums[i+1]);