[OSM-dev] Applying outer way attributes to multi-polygons

Andreas Kalsch andreaskalsch at gmx.de
Sat Aug 14 20:43:33 BST 2010


Am 14.08.10 11:52, schrieb M∡rtin Koppenhoefer:
> 2010/8/2 Ben Supnik<bsupnik at xsquawkbox.net>:
>> - If the outer multipolygon only has one way, then __maybe_- that way might
>> contain all of the attributes I care about?  This second one makes me
>> nervous because I could have a state park way where the boundary of the park
>> is a water way with an island in it...the island (inner way) might be meant
>> to cut a hole in some attributes (like water) but not others (like park).
> I think that most logical would be to
> 1. put tags for the whole (e.g. park) on the outer way
> 2. put tags for the object (outer minus inner) in the relation.
> 1. is eventually requiring partially duplicate ways for cases where
> otherwise several outer ways would be needed (tagging different
> area-features and way-features to an open way might cause problems)
> 2. might cause problems when the outer way and the relation have
> incompatible tags.
> cheers,
> Martin
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