Martijn van Oosterhout wrote: > On Mon, Nov 3, 2008 at 9:38 AM, Rahkonen Jukka > <[EMAIL PROTECTED]> wrote: > > > By topological errors I mean the cases which PostGIS reports with > > isvalid(way)=false. I remember that most cases are nested holes, > > others included at least those two-point polygons and ring > self-intersections. > > I can count a sorted list while back at home if you wish. > My case is > > also possible to repeat. I imported the data into PostGIS with > > shp2pgslq, source data was processed shapefiles which I > downloaded a > > few days ago. I don't know if shp2pgsql can generate that kind of > > errors by itself, I have not used that tool very much. > > Ah yes, that was my other question: you refer to processed_a, > but I can't find a file of that name. Where did you get it? > > The ABA polygons are expected, since mapnik can render them > (you get a line). The nested polygon shouldn't happen and > ring-self intersections shouldn't happen anywhere where the > coastline doesn't show errors...
Processed_a is PostGIS table created from processed_p shapefile by following the instructions of document http://trac.openstreetmap.org/browser/applications/rendering/mapnik/inst all.txt -Jukka- _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users

