}
map = new OpenLayers.Map(divName,
- { maxExtent: new OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34),
+ { maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508),
numZoomLevels: 19,
maxResolution: 156543,
units: 'm',
var mapnik = new OpenLayers.Layer.TMS("Mapnik",
"http://tile.openstreetmap.org/",
- { type: 'png', getURL: getTileURL });
+ { type: 'png', getURL: getTileURL, displayOutsideMaxExtent: true });
map.addLayer(mapnik);
var osmarender = new OpenLayers.Layer.TMS("Osmarender",
"http://dev.openstreetmap.org/~ojw/Tiles/tile.php/",
- { type: 'png', getURL: getTileURL });
+ { type: 'png', getURL: getTileURL, displayOutsideMaxExtent: true });
map.addLayer(osmarender);
map.addControl(new OpenLayers.Control.LayerSwitcher());
var x = Math.round((bounds.left - this.maxExtent.left) / (res * this.tileSize.w));
var y = Math.round((this.maxExtent.top - bounds.top) / (res * this.tileSize.h));
var z = this.map.getZoom();
+ var limit = Math.pow(2, z);
- return this.url + z + "/" + x + "/" + y + "." + this.type;
+ if (y < 0 || y >= limit)
+ {
+ return null;
+ }
+ else
+ {
+ x = ((x % limit) + limit) % limit;
+
+ return this.url + z + "/" + x + "/" + y + "." + this.type;
+ }
}
function addMarkerToMap(position, icon, description) {