From af367f9aa9ccffe439a9539c438462c230ee65e1 Mon Sep 17 00:00:00 2001
From: javi <qualopec@gmail.com>
Date: Fri, 23 Aug 2013 18:00:42 +0200
Subject: [PATCH] add support for multiple subdomains

---
 lib/torque/provider.jsonarray.js | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/lib/torque/provider.jsonarray.js b/lib/torque/provider.jsonarray.js
index 06d4e07..7ae9ade 100644
--- a/lib/torque/provider.jsonarray.js
+++ b/lib/torque/provider.jsonarray.js
@@ -161,12 +161,18 @@
     },
 
 
-    getTile: function(coord, zoom, callback) {
+    tileUrl: function(coord, zoom) {
       var template = this.url();
-      template = template
+      var s = (this.options.subdomains || 'abcd')[(coord.x + coord.y + zoom) % 4];
+      return template
         .replace('{x}', coord.x)
         .replace('{y}', coord.y)
-        .replace('{z}', zoom);
+        .replace('{z}', zoom)
+        .replace('{s}', s);
+    },
+
+    getTile: function(coord, zoom, callback) {
+      var template = this.tileUrl(coord, zoom);
 
       var self = this;
       var fetchTime = Profiler.metric('jsonarray:fetch time');
@@ -185,11 +191,7 @@
      * `zoom` quadtree zoom level
      */
     getTileData: function(coord, zoom, callback) {
-      var template = this.url();
-      template = template
-        .replace('{x}', coord.x)
-        .replace('{y}', coord.y)
-        .replace('{z}', zoom);
+      var template = this.tileUrl(coord, zoom);
 
       var self = this;
       var fetchTime = Profiler.metric('jsonarray:fetch time');