From 76bddcf042466d24b735980151964e26a6bc3b08 Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Tue, 17 Dec 2013 17:46:01 +0100
Subject: [PATCH] Pass tolerance to ol.render.canvas.ReplayGroup constructor

---
 src/ol/render/canvas/canvasreplay.js                | 9 ++++++++-
 src/ol/renderer/canvas/canvasvectorlayerrenderer.js | 3 ++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/ol/render/canvas/canvasreplay.js b/src/ol/render/canvas/canvasreplay.js
index 14763abc57..42eebc6f86 100644
--- a/src/ol/render/canvas/canvasreplay.js
+++ b/src/ol/render/canvas/canvasreplay.js
@@ -1063,9 +1063,10 @@ ol.render.canvas.PolygonReplay.prototype.setFillStrokeStyles_ = function() {
  * @constructor
  * @implements {ol.render.IReplayGroup}
  * @param {number} pixelRatio Pixel ratio.
+ * @param {number} tolerance Tolerance.
  * @struct
  */
-ol.render.canvas.ReplayGroup = function(pixelRatio) {
+ol.render.canvas.ReplayGroup = function(pixelRatio, tolerance) {
 
   /**
    * @private
@@ -1073,6 +1074,12 @@ ol.render.canvas.ReplayGroup = function(pixelRatio) {
    */
   this.pixelRatio_ = pixelRatio;
 
+  /**
+   * @private
+   * @type {number}
+   */
+  this.tolerance_ = tolerance;
+
   /**
    * @private
    * @type {Object.<string,
diff --git a/src/ol/renderer/canvas/canvasvectorlayerrenderer.js b/src/ol/renderer/canvas/canvasvectorlayerrenderer.js
index 08b78a3a7f..7354c7c3c7 100644
--- a/src/ol/renderer/canvas/canvasvectorlayerrenderer.js
+++ b/src/ol/renderer/canvas/canvasvectorlayerrenderer.js
@@ -199,7 +199,8 @@ ol.renderer.canvas.VectorLayer.prototype.prepareFrame =
   if (!goog.isDef(styleFunction)) {
     styleFunction = ol.layer.Vector.defaultStyleFunction;
   }
-  var replayGroup = new ol.render.canvas.ReplayGroup(pixelRatio);
+  var tolerance = frameStateResolution / (2 * pixelRatio);
+  var replayGroup = new ol.render.canvas.ReplayGroup(pixelRatio, tolerance);
   vectorSource.forEachFeatureInExtent(extent,
       /**
        * @param {ol.Feature} feature Feature.