sent from a phone

> Il giorno 01 giu 2016, alle ore 11:04, Jérôme Seigneuret 
> <[email protected]> ha scritto:
> 
> There is one POI (an unique) with addr:* (this addr poi can be locate on same 
> node as entrance or on building. It depends on choice of schema ) and one or 
> more POI with contact:* . In this case * can be same key=value as addr:* 
> values


a node is a good representation for a spot, but not for a clearly defined area. 
If the housenumber is valid for an area it should be better put on this area, 
and in theory you would only have to put housenumber tags on those objects 
inside this area, that have different values (if any, it's a very rare case) - 
in theory because in a project like osm it can help debugging and quality to 
have the address repeated on a poi (especially if these objects are mapped as 
nodes, whose position is often less obviously off than that of areas. Areas can 
usually/often be associated to features you see in aerial imagery, while this 
is less true for nodes). 

I'm not in favor of using different tags here (contact vs. addr), a housenumber 
is a housenumber, and it is never an object of its own (in the real world), 
it's always a property of something (a site, a house, an apartment, etc.), even 
if in osm this is less clear because most housenumbers are currently tagged on 
nodes with only addressing information, and because routing programs treat 
addresses often as POIs.

cheers,
Martin 



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