From 80656cdfd0d92c87891b8ea7a7e1a6033b2f20c1 Mon Sep 17 00:00:00 2001
From: Matthew Perry <mperry@ecotrust.org>
Date: Tue, 7 Feb 2012 12:20:29 -0800
Subject: [PATCH] Support specifying grid resolution at the layer level

---
 lib/OpenLayers/Control/UTFGrid.js | 3 +--
 lib/OpenLayers/Layer/UTFGrid.js   | 8 ++++++++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/lib/OpenLayers/Control/UTFGrid.js b/lib/OpenLayers/Control/UTFGrid.js
index ae15f442a6..3dcba8dd44 100644
--- a/lib/OpenLayers/Control/UTFGrid.js
+++ b/lib/OpenLayers/Control/UTFGrid.js
@@ -105,7 +105,6 @@ OpenLayers.Control.UTFGrid = OpenLayers.Class(OpenLayers.Control, {
         options = options || {};
         options.handlerOptions = options.handlerOptions || {};
         OpenLayers.Control.prototype.initialize.apply(this, [options]);
-        console.log(this);
         if (options.div) {
             this.element = OpenLayers.Util.getElement(options.div);
         }
@@ -135,7 +134,7 @@ OpenLayers.Control.UTFGrid = OpenLayers.Class(OpenLayers.Control, {
                 this.writeDebugInfo(info);
                 var tile = info.tile;
                 var attrs = null;
-                var resolution = 4; //TODO autodetect? 
+                var resolution = layer.utfgridResolution || 4;
                 if (tile !== null && typeof(tile) !== 'undefined') {
                     var data = tile.json
                     if (data !== null) {
diff --git a/lib/OpenLayers/Layer/UTFGrid.js b/lib/OpenLayers/Layer/UTFGrid.js
index f12f159b2a..e89a370cc8 100644
--- a/lib/OpenLayers/Layer/UTFGrid.js
+++ b/lib/OpenLayers/Layer/UTFGrid.js
@@ -136,6 +136,14 @@ OpenLayers.Layer.UTFGrid = OpenLayers.Class(OpenLayers.Layer.Grid, {
         return OpenLayers.String.format(url, xyz);
     },
     
+
+    /**
+     * APIProperty: utfgridResolution
+     * {Number} Number of pixels per grid "cell"
+     * Defaults to 4
+     */
+    utfgridResolution: 4,
+
     /** 
      * Method: getTileInfo
      * Get tile information for a given location at the current map resolution.