[mkgmap-dev] Weird MultiPolygon intersection warning

Mon Feb 1 21:03:35 GMT 2010

Hi WanMil,

On Mon, Feb 01, 2010 at 09:12:24PM +0100, WanMil wrote:
> > I checked http://www.openstreetmap.org/browse/relation/4370
> > and it looks OK to me.  Three edges in the multipolygon are close
> > to each other (two of them within the inner way 21252252)
> > but the lines are not intersecting.
> >
> > 	Marko
> 
> Marko,
> 
> the nodes http://www.openstreetmap.org/browse/node/228621224 and 
> http://www.openstreetmap.org/browse/node/228621268 are mapped to the 
> same mkgmap coordinate 2804010/1161649.

That's what I suspected.  Would it be feasible to process the multipolygons
before converting to mkgmap coordinates?  Or how hard would it be to process
multipolygons that contain intersecting lines?

	Marko