[mkgmap-dev] New locator branch

Sat Mar 19 19:23:21 GMT 2011

On 03/18/2011 02:55 PM, Ralf Kleineisel wrote:
> On 18.03.2011 14:45, WanMil wrote:
>> 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.

Wouldn't it be enough to keep that part of the boundaries in memory which
lie in the area of the map tile mkgmap is processing?