[Tagging] Fwd: Door to door routing to buildings with multiple occupants

Martin Vonwald imagic.osm at gmail.com
Tue Dec 4 10:31:41 GMT 2012


2012/12/4 Pieren <pieren3 at gmail.com>:
> On Tue, Dec 4, 2012 at 5:49 AM, Friedrich Volkmann <bsd at volki.at> wrote:
>
>> The only use of separate address nodes by now is that they make Mapnik
>> display a house number. But speaking of Mapnik... if there are 5 POIs in a
>> house, and Mapnik has no signature for those POIs, it displays the house
>> number for each POI instead, resulting in 5x the same number. That makes
>> addresses on nodes problematic for Mapnik too.
>
> One principle I like in OSM is "one feature, one OSM element":
> http://wiki.openstreetmap.org/wiki/One_feature,_one_OSM_element
>
> A single address should be tagged only once. If you have several POI's
> with the same address, tag the address on its own node. The node does
> not have to be be "floating" but can be attached on the building way,
> either on the building entrance or where post boxes are physically (or
> vitually). Then it is to the software consumers to find the nearest
> node address when they search information about a specific POI.

I agree with you. If a building has more than one address I usually
put it on the relevant entrance. If there is no relevant entrance I
put it on a node on the building way, where the plate is.

Martin



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