On So, Okt 04, 2015 at 07:54:00 -0400, Paul Fox wrote: > i'm finally adding relation/multipolygon rendering to RoadMap -- it's > nice to finally see _all_ of the local lakes, rather than just the > ones represented by a single way. so far i've just implemented > the bare bones of the algorithm described at > > http://wiki.openstreetmap.org/wiki/Relation:multipolygon/Algorithm#Ring_Assignment > and it's reasonably successful. > > but i know how this goes: though it works on the OSM data i'm > currently testing with, it's sure to break when i start rendering maps > for my next major road-trip, and then i'll be scrambling to fix it. > > so: if you've worked on this problem, and know of some particularly > thorny rendering areas, i'd like to hear about them. whether or not > i really deal with them will depend on how hard it is. :-)
Here are some (artificial test cases): https://github.com/osmcode/osm-testdata Mostly in here: https://github.com/osmcode/osm-testdata/tree/master/grid/data/7 Jochen -- Jochen Topf [email protected] http://www.jochentopf.com/ +49-351-31778688 _______________________________________________ dev mailing list [email protected] https://lists.openstreetmap.org/listinfo/dev
