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I am mapping in Central London where over time, many individual buildings have been amalgamated into single larger buildings. There are examples of terraced houses which have had a front door permanently locked, and an opening made in a party wall. Or multiple buildings without internal connection which are one hotel. How should I map these buildings? To capture the urban grain correctly often terraces need to be split into their constituent buildings (for addresses as well). But how can I indicate for example that one hotel spans two consecutive buildings? Or in other words, how can I indicate that two different buildings have the same ownership and use, even if they really are different buildings with different addresses? |
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There is no really good solution for such scenarios outside of using a site relation https://wiki.openstreetmap.org/wiki/Relation:site Unluckily it isn't very well supported, so as a tendency I would simply add a node for the amenity/shop/ whatever in a suitable location and not add such tags to the buildings themselves. |
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If the two buildings are adjacent or if the space between the buildings also belongs to the hotel you can just draw a closed way around the perimeter and add the hotel tags to that way. The individual buildings would be tagged with building=hotel but without the 1
In OP's case, it should probably be
(15 May '20, 22:57)
Kovoschiz
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You need to realize some tags represents properties (viz
I have to admit sometimes I feel quite confused as to when I am "allowed" to use relation:site, relation:multipolygon, et al first: For the sake of purity, I have the impression one can draw new, untagged areas overlapping the individual buildings to make a As I understand, in principle, Add |
