[Tagging] New tag

Colin Smale colin.smale at xs4all.nl
Thu Jun 30 08:23:03 UTC 2016

On 2016-06-30 09:51, Martin Koppenhoefer wrote:

> If you put a ref on a shop it is clear that the ref refers to the shop. If it isn't clear where the ref refers to (e.g. a building, another business or amenity etc.) there is something wrong with the mapping and it combines several objects from the real world into one osm object. You should then separate these objects because also other tags might be ambiguous (e.g. name, wikipedia. start_date).

Are you suggesting that a shop object which is coterminous with a
building outline should get its own polygon, sharing nodes between the
two? Instead of disambiguating the tags with a prefix/suffix like
shop:ref and building:ref? It is certainly an approach which has merit,
but so do other approaches which are currently more widely used, such as
tags with a prefix/suffix or mapping the "shop" to a node within the
building polygon. 

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