[mkgmap-dev] About calculation time & pathfinding

Mon Mar 2 22:26:37 GMT 2009

David wrote:
> Routing with Ireland osm file produces stranges results. I removed all
> errors found in the converted polish format file with mapedit but the
> result is still strange with Mapsource :
> - in many cases the pathfinding stops with an error,
> - the path defined does not respect any one way restriction on motor ways,
> - the diabolic pink line can vanish along a road and it can reappear few
> hundreds meters further,
> - the time computed for the route is totally wrong (it is like speed are
> minored by a factor between 8 and 12).
> In mapedit, pathfinding works well without any error on converted osm to
> polish format file.
> I did not find yet a clue in ... Any idea is welcome.
> What it is done with mkgmap is really a good work, thank you for this tool.
> 
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> 
About once a week I compile a routable map for Ireland. This can be
found at http://osm.pointdee.co.uk

Feel free to download and compare against your own maps. This is created
from ireland.osm from the Geofabrik mirror and is done entirely with mkgmap

Cheers

Paul