[Routing] Errors in map data that affect correct routing - andwhat to do about it...

[Wolfgang W. Wasserburger]

> On Mon, 2009-01-05 at 08:32 +0100, Wolfgang W. Wasserburger wrote:
> > In anyway for routing purposes you have to do a preprocessing:
> > 1.) break all ways at crossings with other ways, because the 
> OSM data model
> > allows ways across corssings
> 
> I've just implemented this for RoadMap (in buildmap_osm_text.c).
> 
thx for the hint; I allready implemented that with PostGIS and PHP ;-) 

Wolfgang