From 2c40daea22d3e6937606af444070f824d7b016eb Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Mon, 2 Dec 2013 14:47:32 +0100
Subject: [PATCH] Add ol.geom.LinearRing#getArea

---
 src/ol/geom/linearring.exports | 1 +
 src/ol/geom/linearring.js      | 9 +++++++++
 2 files changed, 10 insertions(+)

diff --git a/src/ol/geom/linearring.exports b/src/ol/geom/linearring.exports
index 59792c22b9..ab788b38a3 100644
--- a/src/ol/geom/linearring.exports
+++ b/src/ol/geom/linearring.exports
@@ -1,4 +1,5 @@
 @exportSymbol ol.geom.LinearRing
+@exportProperty ol.geom.LinearRing.prototype.getArea
 @exportProperty ol.geom.LinearRing.prototype.getCoordinates
 @exportProperty ol.geom.LinearRing.prototype.getType
 @exportProperty ol.geom.LinearRing.prototype.setCoordinates
diff --git a/src/ol/geom/linearring.js b/src/ol/geom/linearring.js
index 555c91d516..7c15fd53a4 100644
--- a/src/ol/geom/linearring.js
+++ b/src/ol/geom/linearring.js
@@ -18,6 +18,15 @@ ol.geom.LinearRing = function(coordinates, opt_layout) {
 goog.inherits(ol.geom.LinearRing, ol.geom.Geometry);
 
 
+/**
+ * @return {number} Area.
+ */
+ol.geom.LinearRing.prototype.getArea = function() {
+  return ol.geom.flat.linearRingArea(
+      this.flatCoordinates, 0, this.flatCoordinates.length, this.stride);
+};
+
+
 /**
  * @return {ol.geom.RawLinearRing} Coordinates.
  */