Changeset 180 for trunk/npemap.org.uk

Timestamp:

Oct 26, 2006, 12:50:25 PM (15 years ago)

Author:

David Sheldon

Message:

Alternate columns from uk/us.

File:

• trunk/npemap.org.uk/static/tiles/mapTiles.js (modified) (6 diffs)

trunk/npemap.org.uk/static/tiles/mapTiles.js

@@ -22 +22 @@
 
 var prefixes = new Array(1);
+var root1 = "http://ustile.npemap.org.uk/";
+var root2 = "http://tile.npemap.org.uk/";
 var root = "http://ustile.npemap.org.uk/";
 
-prefixes[1] = root + "scaled1/";
-prefixes[2] = root + "scaled3/";
-prefixes[3] = root + "scaled6/";
+prefixes[1] =  "scaled1/";
+prefixes[2] =  "scaled3/";
+prefixes[3] =  "scaled6/";
 
 var jumpOut = new Array(1);
@@ -40 +42 @@
 zooms[3] = 6;
 
-var prefix;
 
 var screenWidth = YAHOO.util.Dom.getViewportWidth();
@@ -155 +156 @@
 
 function fixZoomButton() {
-  prefix = prefixes[zoomLevel];
   if(zoomLevel == 1) {
     $('zoomin_enabled').style.visibility = 'hidden';
@@ -210 +210 @@
   fixZoomButton();
 
-  prefix = prefixes[zoomLevel];
   doResize();
 }
@@ -262 +261 @@
             tileX = trimNumber(x+offsetGridX-Math.round(sizeGridX/2));
             tileY = trimNumber(y+offsetGridY-Math.round(sizeGridY/2));
-            $('element' + x + '.' + y).src = prefix+tileX+'/'+ tileY + '.jpg';
+            $('element' + x + '.' + y).src = tileURL(tileX, tileY);
         }
     }
@@ -277 +276 @@
   firstTime = 0; 
         updatePermalink();
+}
+
+function tileURL(tileX, tileY) {
+          var root = (tileX % 2) == 0 ? root1 : root2;
+                return root + prefixes[zoomLevel]+tileX+'/'+ tileY + '.jpg';
 }