[OSM-dev] My Maps Appear to be Predicting Global Warming.

John Smith deltafoxtrot256 at gmail.com
Fri Feb 19 14:24:36 GMT 2010

On 19 February 2010 22:01, Lennard <ldp at xs4all.nl> wrote:
> The one major cause of flooded tiles is when mapnik doesn't process the
> coastline shapefiles. At z10, it switches from the lowzoom shoreline_300
> to the full resolution processed_p shapefile. So focus your effort on
> that one.

Also these shape files are only updated intermitently, so even if you
make a change to fix problems with coastlines it might take weeks or a
month before the changes will be reflected in OSM tiles.

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