[OSM-talk] Several map features at the same place

[graham]

Sascha Silbe wrote:
> Hi!
> 
> How are several map features at the same place, e.g. a building with a 
> bakery, a bank and a police station, represented?
> Several adjacent nodes? Or a single one? If the latter, how are features 
> with the same key (but different value) handled?
>  From the Map Features page [1], I'd guess multiple values for the same 
> key are separated by semicolons (see amenity=bank), but neither the 
> Elements page [2] nor the Data Primitives page [3] mentions that.
> 
> 
> [1] http://wiki.openstreetmap.org/index.php/Map_Features
> [2] http://wiki.openstreetmap.org/index.php/Elements
> [3] http://wiki.openstreetmap.org/index.php/Data_Primitives
> 

I have the same question for the case where the different map features 
are stacked vertically (a car park on the roof of a shopping centre, an 
apartment block on top of a large supermarket), where I don't think 
adjacent nodes is a good idea.

Graham
> 
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