Even Rouault wrote > >> 2) valid > > Why do you need to reverse the winding order ? I thought that the WKT > convention > did not say anything about that, or did I miss something ? (Winding order > is > indeed significant in shapefiles, but that's another story). So I'd say it > is up > to the rendering engine to do any transformation that is needed for > correct > rendering according to the filling algorithm it uses. > >
If I remember it right mapnik requires normalized geometries, so outer in clockwise and inners in counterclockwise order. I'm not sure if that is still the case, but osm2pgsql still does the normalization. That's why I defined the result in clockwise orientation... -- View this message in context: http://gis.19327.n5.nabble.com/New-OGR-driver-to-read-OpenStreetMap-osm-pbf-files-tp5715906p5716503.html Sent from the Developer Discussion mailing list archive at Nabble.com. _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
