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.
//colin
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