Ok, then please let me know when you finish this transition to the new system, so that I can update the Kosmos code. And it would be a good thing to include a description of a recommended logic for rendering on the http://wiki.openstreetmap.org/index.php/Relations/Multipolygon page, so that it is implemented consistently in all of OSM software.
Cheers, Igor Jon Burgess wrote: > On Mon, 2008-03-10 at 22:51 +0100, Igor Brejc wrote: > >> I too am a little bit confused: now the whole issue basically comes >> down >> to renaming the relation from "multipolygon" to "area_with_holes". But >> the inital proposal had some other features, like using the inner >> polygons' tags to render the inner polygons content directly (not as >> holes) + abandoning clockwise/anticlockwise approach. >> > > Right, it is exactly these sort of differences which require this to be > a new relation type (IMO). > > >> Is the renaming really necessary? I think the existing renderers >> already >> know how to draw multipolygons even without outer/inner specification. >> > > This is my point too. Don't break what already works. By all means > create a new relation to cover the new rules. The old type can be > depreciated and it is easy to know how many of the existing relations > have been validated and migrated to the new rules. > > >>> That may be what we want but a significant proportion of the >>> >> existing >> >>> data also has: >>> 1) an outer ring which is not a single closed way >>> 2) the same tags on all of the ways >>> >> Shouldn't this be handled just by fixing the inconsistent data? >> >> > Point (2) is actually a feature of the existing multipolygons. Changing > this retrospectively will break things. > > Jon > > > > -- http://igorbrejc.net _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/talk

