[mkgmap-dev] New locator branch

Fri Mar 18 15:25:50 GMT 2011

Am 18.03.2011 14:45, schrieb WanMil:
> Yes, we provide the same option for coastlines. So it's possible
> although there is the size restriction.
> Boundaries take around 3% of the complete OSM data (3% as osm.gz
> compared to osm.pbf). So think about creating a europe map from the 4.5
> GB dump. The boundary data file would be around 3%*4.5GB(osm.pbf) =
> 135MB(osm.gz). So in the end your computer additionally needs as much
> main memory as you need to compile a 135MB big tile.
>
> The calculation is quite rough but the result is clear: the memory
> requirements grow quite much compared to the overall size of your map

Maybe it would be a good solution to change splitter. If one member of a 
relation with information about boundaries or other polygons is inside a 
tile, the whole relation should be in that tile. This will also fix 
problems with huge multipolygons.

Henning