A centroid method for LineStrings

2012-06-22 16:25:14 +02:00
parent 483c431e1b
commit 396875c719
1 changed files with 12 additions and 1 deletions
--- a/src/ol/geom/LineString.js
+++ b/src/ol/geom/LineString.js
@@ -63,3 +63,14 @@ ol.geom.LineString.prototype.addVertex = function(vertex, index) {
 ol.geom.LineString.prototype.removeVertex = function(vertex) {
    goog.array.remove(this.vertices_, vertex);
 };
+
+/**
+ * Compute the centroid for this linestring.
+ *
+ * @returns {ol.geom.Point} The centroid of the linestring.
+ */
+ol.geom.LineString.prototype.getCentroid = function() {
+    var vertices = this.getVertices(),
+        collection = new ol.geom.Collection(vertices);
+    return collection.getCentroid();
+};