2015-10-15 13:56 GMT+02:00 André Pirard <a.pirard.pa...@gmail.com>: > The historic key is correct, but used as an adjective as the attribute of > an object, not as a noun for it. > building=castle a building that is a castle, and not > historic=castle a historic that is a castle; but a castle, like many > other objects, can be > historic=yes or not >
the building tag is used for exactly one building (or it is approximate). A castle is often more than a building (could be a group of buildings, plus a walled outdoor area, defensive structures in front of it (e.g. ditches/trenches, bastions, walls, towers, etc.) Other keys like amenity, historic, man_made are a mix of stuff (from whole sites to small objects). They are kind of a thematic context that is given to the tag, but should not be over interpreted (think amenity=prison). Cheers, Martin
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