From 396875c719bfe0ad191d9d347b30075088a82eba Mon Sep 17 00:00:00 2001
From: Marc Jansen <jansen@terrestris.de>
Date: Fri, 22 Jun 2012 16:25:14 +0200
Subject: [PATCH] A centroid method for LineStrings

---
 src/ol/geom/LineString.js | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/ol/geom/LineString.js b/src/ol/geom/LineString.js
index 1f449f0102..23f6e8eb0c 100644
--- a/src/ol/geom/LineString.js
+++ b/src/ol/geom/LineString.js
@@ -57,9 +57,20 @@ ol.geom.LineString.prototype.addVertex = function(vertex, index) {
 
 /**
  * Removes the given vertex from the list of vertices.
- * 
+ *
  * @param {ol.geom.Point} vertex A point to be removed.
  */
 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();
+};
\ No newline at end of file