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On 2014-06-04 19:05, Peter Wendorff
wrote :
Greetings from noexit=yes ;-)Am 04.06.2014 18:43, schrieb Andrew Hain:Over the past few days there have been a number of wiki edits (mainly but not entirely in German) stating that shop=* and similar tags, contrary to the “One feature, one OSM element” principle [1], should only ever be put on nodes and not on building polygons. I’ve commented on an affected talk page without any response.Is there any justification for these edits? Exactly, this and below, my POV.Hi, I don't see justification to edit it widely in the wiki without prior discussion, but I oppose your interpretation of this conflicting with the "one feature, one osm element" principle. In fact a shop is a different entity than a building.[1] http://wiki.openstreetmap.org/wiki/One_feature,_one_OSM_element I even say more: that a shop is an activity more than an object. Just as an amenity, it takes place in a building or part of it. But it can be in open air. building=yes shop:fishing=yes shop:fishing:rod:rental=yes shop.fish=no hotel=yes I find those constructs very understandable and, most importantly, prone to be imagined the same way by different people The wiki should classify keys as objects or attributes. There is a single object per OSM element (node, way, polygon, relation) and it can have many attributes. shop is an attribute of building (implicitly building:shop) fishing is an attribute of shop (as it can be of wharf if my English is correct) Some claimed that the object could be a street number. I must say that I never saw a number represented by a rectangle. Cheers,A shop can move to another building while staying the same shop. A shop can close and therefore vanish without the building to vanish, and a new shop, cafe, restaurant or whatever; entirely independent from the old shop can open in the same building later. The building is still the same, the old one. The shop didn't change, it's a different shop now. On top of that a building may have offices on the first floor additionally to the shop in the basement, or even flats or appartments - which are possible to map as well. Therefore yes, I see a justification for that way of tagging; but I don't see any justification to change the wiki without broad discussion about it. regards Peter
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