Merge vector-2.4 branch back to trunk.

svn merge sandbox/vector-2.4/@2307 sandbox/vector-2.4/@HEAD trunk/openlayers/ git-svn-id: http://svn.openlayers.org/trunk/openlayers@2803 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2007-03-16 13:23:56 +00:00
parent 8b9d974dc2
commit 3ca974acec
159 changed files with 10193 additions and 343 deletions
--- a/lib/OpenLayers/Geometry/Curve.js
+++ b/lib/OpenLayers/Geometry/Curve.js
@@ -0,0 +1,58 @@
+/* Copyright (c) 2006 MetaCarta, Inc., published under a modified BSD license.
+ * See http://svn.openlayers.org/trunk/openlayers/repository-license.txt 
+ * for the full text of the license. */
+
+/**
+ * @class
+ * 
+ * A Curve is a MultiPoint, whose points are assumed to be connected. To 
+ * this end, we provide a "getLength()" function, which iterates through 
+ * the points, summing the distances between them. 
+ *
+ * @requires OpenLayers/Geometry/MultiPoint.js
+ */
+OpenLayers.Geometry.Curve = OpenLayers.Class.create();
+OpenLayers.Geometry.Curve.prototype = 
+  OpenLayers.Class.inherit(OpenLayers.Geometry.MultiPoint, {
+
+    /**
+     * @constructor
+     *
+     * @param {Array(OpenLayers.Geometry.Point)} points
+     */
+    initialize: function(points) {
+        OpenLayers.Geometry.MultiPoint.prototype.initialize.apply(this, 
+                                                                  arguments);
+    },
+    
+    /**
+     * @returns An exact clone of this OpenLayers.Feature
+     * @type OpenLayers.Feature
+     */
+    clone: function (obj) {
+        if (obj == null) {
+            obj = new OpenLayers.Geometry.Curve();
+        }
+        
+        obj = OpenLayers.Geometry.Collection.prototype.clone.apply(this, 
+                                                                   [obj]);
+        return obj;
+    },
+    
+    /**
+     * @returns The length of the curve
+     * @type float
+     */
+    getLength: function() {
+        var length = 0.0;
+        if ( this.components && (this.components.length > 1)) {
+            for(var i=1; i < this.components.length; i++) {
+                length += this.components[i-1].distanceTo(this.components[i]);
+            }
+        }
+        return length;
+    },
+    
+    /** @final @type String */
+    CLASS_NAME: "OpenLayers.Geometry.Curve"
+});