On Wed, Oct 17, 2012 at 10:35 AM, Peter Wendorff <[email protected]>wrote:
> And where's the problem? > The island is part of the area described by the multipolygon, as every > other outer way is, too. > It can be handled exactly the same as long as you don't want to do special > stuff according to topology, but then again topology is missing for most > osm model elements, yet (or: you have to interpret it from the geometry > yourself). > Yes, the key word is topology. Moving beyond the Painter's algorithm and simple map rendering. Having the ability to do generalization with topology - polygon simplifications, merging of polygons of similar landuse, detecting/removing common edges, displacement, amalgamation etc. All in order to produce more useful export data or vector maps. That's what I've been doing for the last couple of months. Igor
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