[OSM-dev] tilenumbers

David Earl david at frankieandshadow.com
Mon Oct 15 17:57:25 BST 2007


See http://wiki.openstreetmap.org/index.php/Slippy_map_tilenames

On 15/10/2007 17:38, Jonas Svensson wrote:
> How do I calculate tilenumbers when retrieving from tileserver? Ie 
> how do I transform from lat,lon and zoomlevel to 71212 and 39189 in
> http://dev.openstreetmap.org/~ojw/Tiles/tile.php/17/71212/39189.png?
>  I assume that calculation is available all over in the codebase 
> but so far I have been unable to locate it, so if someone could 
> give some help on where to read, please?
> 
> /Jonas S
> 
> 
> 
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