From 140c5c2cb91c3adde8c8da505e6ea83c3f473ae6 Mon Sep 17 00:00:00 2001
From: Jon Atkins <github@jonatkins.com>
Date: Wed, 22 May 2013 17:35:59 +0100
Subject: [PATCH] re-do request bucket handling - instead of grouping up to
 four requests together, so large window sizes make more requests, group
 requests into max 4 blocks I think this is closer to the stock intel site
 behaviour, and should vastly reduce requests, especially at high resolutions

---
 code/map_data.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/code/map_data.js b/code/map_data.js
index 10372b77..1edd99bc 100644
--- a/code/map_data.js
+++ b/code/map_data.js
@@ -29,7 +29,7 @@ window.requestData = function() {
   for (var x = x1; x <= x2; x++) {
     for (var y = y1; y <= y2; y++) {
       var tile_id = pointToTileId(z, x, y);
-      var bucket = Math.floor(x / 2) + "" + Math.floor(y / 2);
+      var bucket = (x % 2) + ":" + (y % 2);
       if (!tiles[bucket])
         tiles[bucket] = [];
       tiles[bucket].push(generateBoundsParams(
@@ -44,6 +44,7 @@ window.requestData = function() {
 
   // Reset previous result of Portal Render Limit handler
   portalRenderLimit.init();
+
   // finally send ajax requests
   $.each(tiles, function(ind, tls) {
     data = { zoom: z };