2015-04-01 23:51 GMT+02:00 Warin <61sundow...@gmail.com>: > Associating one feature (a 'parent') with another feature (a 'child')? > > More of a guide as to how OSM 'does' it? > > Or may be it needs to be added to some already existing guide... >
there is no clear standard method to do this. There are at least 3 concepts in use: 1. spatially: something is inside or on the border of something else 2. by tagging: e.g. operator tag, brand tag, the "bicycle=use_sidepath" tag, etc. This method is not explicit but typically should work. 3. with relations (and roles within relations) For this case we could either use the site relation, e.g. a reception-role with which the reception_desk gets put into relation with a site (not yet documented), or we'd use the type=provides_feature relation. For the site relation there is a proposal here (but the examples somehow contradict the idea of point 1, that a spatial relation is sufficient in cases where one object contains another) http://wiki.osm.org/wiki/Relations/Proposed/Site For the second I couldn't find any mention in the wiki, but it is used 411 times: http://taginfo.osm.org/tags/type=provides_feature#overview Cheers, Martin
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