Changeset 136 for trunk/npemap.org.uk

Timestamp:

Oct 22, 2006, 10:50:42 PM (14 years ago)

Author:

David Sheldon

Message:

Fix for ticket:41.

File:

• trunk/npemap.org.uk/static/tiles/mapTiles.js (modified) (4 diffs)

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

@@ -74 +74 @@
                         // Tiles are eee/nnn.jpg
                         var tile = img.src.substring( img.src.lastIndexOf("/") - 3 );
-                        var baseEasting = tile.substring(0, tile.indexOf("/"));
-                        var baseNorthing = tile.substring(tile.indexOf("/") + 1, tile.indexOf("."));
+                        var baseEasting = tile.substring(0, tile.indexOf("/"))-0;
+                        var baseNorthing = tile.substring(tile.indexOf("/") + 1, tile.indexOf("."))-0;
                         var tileXratio =  tileX/img.offsetWidth;
                         var tileYratio = 1 -(tileY/img.offsetHeight);
@@ -89 +89 @@
                         } else {
                         
-                                var easting = baseEasting + ('000' + Math.round(tileXratio*1000)).substr(-3)
-                                var northing = baseNorthing + ('000' + Math.round(tileYratio*1000)).substr(-3)
+                                var easting = trimSixDigits(Math.round((baseEasting  + tileXratio)*1000));
+                                var northing = trimSixDigits(Math.round((baseNorthing +tileYratio)*1000));
 
                                 YAHOO.util.Dom.setXY(markerElement, [(x-4), (y-11)]);
@@ -97 +97 @@
                                 postcodeFormElement.style.display = 'block';
                                 YAHOO.util.Dom.setXY(postcodeFormElement, [Math.max(0, (x-50)), (y-180) < 0 ? (y+10):(y-180)]);
-                                locationElement.innerHTML = easting + ', ' + northing
+                                locationElement.innerHTML = easting + ', ' + northing ;
                                 document.getElementById('easting').value = easting;
                                 document.getElementById('northing').value = northing;
@@ -231 +231 @@
 }
 
+function trimSixDigits(string) {
+  str = '000000' + string
+        return str.substring(str.length -6)
+}
+
 function refreshGrid() {