[OSM-dev] Low-zoom tiles - new script to create them

Hakan Tandogan hakan at gurkensalat.com
Mon Jan 1 19:09:14 GMT 2007

OJW wrote:
> There's a tool on SVN to create low-zoom tiles:

Nice, I just used it to re-create the low-zoom ones around Munich ;-)

> p.s. the next step is for someone to modify the script so that when tile x,y,z 
> changes, it updates all the other tiles that contain it (replacing a quarter 
> of z-1, a sixteenth of z-2, etc.) without replacing any unchanged image areas

Wouldn't this require knowledge that only the upload server has? I think 
something that parses the upload logs would "know" which low-zoom tiles 
would have to be regenerated as a result of an upload, giving out 
re-stitch requests to clients.


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