polymaps.patch

diff --git a/site/assets/javascript/polymaps.js b/site/assets/javascript/polymaps.js
index 1424d82..8b88b68 100644
--- a/site/assets/javascript/polymaps.js
+++ b/site/assets/javascript/polymaps.js
@@ -372,6 +372,7 @@ po.map = function() {
       zoomFraction = 0,
       zoomFactor = 1, // Math.pow(2, zoomFraction)
       zoomRange = [1, 18],
+      loadNewTiles = true,
       angle = 0,
       angleCos = 1, // Math.cos(angle)
       angleSin = 0, // Math.sin(angle)
@@ -428,6 +429,12 @@ po.map = function() {
     };
   };
 
+  map.loadNewTiles = function(x) {
+    if (!arguments.length) return loadNewTiles;
+    loadNewTiles = x;
+    return map;
+  };
+
   map.pointLocation = function(p) {
     var k = 45 / Math.pow(2, zoom + zoomFraction - 3),
         dx = (p.x - sizeRadius.x) * k,
@@ -813,6 +820,14 @@ po.layer = function(load, unload) {
       c0.zoom = c1.zoom = c2.zoom = c3.zoom += tileLevel;
     }
 
+    if (!map.loadNewTiles()) {
+      // position tiles
+      positionTiles(cache.locks());
+
+      layer.dispatch({type: "move"});
+      return;
+    }
+
     // tile-specific projection
     function projection(c) {
       var zoom = c.zoom,
@@ -832,6 +847,18 @@ po.layer = function(load, unload) {
       };
     }
 
+    function positionTiles(locks) {
+      // position tiles
+      for (var key in locks) {
+        var t = locks[key],
+            k = Math.pow(2, t.level = t.zoom - tileCenter.zoom);
+        t.element.setAttribute("transform", "translate("
+          + (t.x = tileSize.x * (t.column - tileCenter.column * k)) + ","
+          + (t.y = tileSize.y * (t.row - tileCenter.row * k)) + ")");
+      }
+    }
+
+
     // record which tiles are visible
     var oldLocks = cache.locks(), newLocks = {};
 
@@ -911,14 +938,7 @@ po.layer = function(load, unload) {
       }
     }
 
-    // position tiles
-    for (var key in newLocks) {
-      var t = newLocks[key],
-          k = Math.pow(2, t.level = t.zoom - tileCenter.zoom);
-      t.element.setAttribute("transform", "translate("
-        + (t.x = tileSize.x * (t.column - tileCenter.column * k)) + ","
-        + (t.y = tileSize.y * (t.row - tileCenter.row * k)) + ")");
-    }
+    positionTiles(newLocks);
 
     // remove tiles that are no longer visible
     for (var key in oldLocks) {
@@ -2282,3 +2302,4 @@ po.stylist = function() {
   return stylist;
 };
 })(org.polymaps);