Changeset 143 for trunk

Timestamp:

Oct 23, 2006, 6:36:37 PM (15 years ago)

Author:

David Sheldon

Message:

Tidy up the code a bit.

File:

• trunk/npemap.org.uk/static/index.html (modified) (3 diffs)

trunk/npemap.org.uk/static/index.html

@@ -54 +54 @@
 
 <script type="text/javascript">
+var ROOTURL = ".";
+
 var xOffset = 62;
 
@@ -81 +83 @@
     var easting = Math.round(en.easting/1000);
     var northing = Math.round(en.northing/1000);
-    window.location = "tiles/map.html#" + easting + "," + northing + ",1";
+    window.location = urlFor(easting, northing, 1);
   }
   else {
@@ -96 +98 @@
   var imgPos = YAHOO.util.Dom.getXY(img);
 
-        var x = xOffset + YAHOO.util.Event.getPageX(e) - imgPos[0];
-        var y = img.height-(YAHOO.util.Event.getPageY(e) - imgPos[1]);
+        var x = (xOffset + YAHOO.util.Event.getPageX(e) - imgPos[0]) * 2;
+        var y = (img.height-(YAHOO.util.Event.getPageY(e) - imgPos[1])) * 2;
 
-        var s6x = Math.round(x/3);
-        var s6y = Math.round(y/3);
-
-        window.location=("tiles/map.html#" + s6x + "," + s6y + ",3");
+        window.location=(urlFor(x, y, 1));
 
         YAHOO.util.Event.stopEvent(e);
 }
 
-  YAHOO.util.Event.addListener("link", "click", click);
+YAHOO.util.Event.addListener("link", "click", click);
+
+var zooms = new Array(1);
+zooms[1] = 1;
+zooms[2] = 3;
+zooms[3] = 6;
+
+function urlFor(easting, northing, zoom) {
+  var x= easting / zooms[zoom]; 
+  var y= northing/ zooms[zoom]; 
+  return ROOTURL + "/tiles/map.html#" +  x + "," + y +","+zoom;
+}
 
 </script>