[Talk-us] Tagging addresses on area's

[Peter Dobratz]

On Wed, Feb 11, 2015 at 6:04 PM, Bryce Nesbitt <bryce2 at obviously.com> wrote:

>
>> This seems to be "tagging for the renderer" which is not a good idea.  If
>> the only thing occupying the building is a single POI, then put the POI
>> tags on the closed Way for the building outline.  By adding a new object
>> (Node) for the POI, you are also going against the "One feature, one OSM
>> element" idea.  There are renderers in existence that will display both the
>> house number and the name of a restaurant with food icon.
>>
>
>
>> > http://wiki.openstreetmap.org/wiki/Tagging_for_the_renderer
>> > http://wiki.openstreetmap.org/wiki/One_feature,_one_OSM_element
>>
>> > http://wiki.openstreetmap.org/wiki/Good_practice
>>
>>
> There are two features here:  the building, and the business.
> The building and business may well have different owners.
> In some cases a business will sell it's building but lease back the space.
>
> The address is generally an attribute of the building and does not change
> as tenants come and go.
> The business inherits the address for the time they are in the building.
> They may have a website= that keeps working even if they move.
>
> ---
>
> Thus one could argue that the "one feature one osm element" rule would
> want:
> * Attach an address to the building outline.  Tag the owner if that is
> known (e.g. the leasing company).
> * Add POI nodes for one or more businesses inside that building.  These
> may have website/phone tags.
>

What you are suggesting is the opposite of what the "one feature one osm
element" page is suggesting.  In fact, what you are suggesting is the very
first thing in the list of things to avoid:

>From http://wiki.openstreetmap.org/wiki/One_feature,_one_OSM_element:
"Examples of bad situations:

   - An area object representing a single-use building with a point object
   inside it. Move the tags to the area object and delete the point."


I agree with the sentiment in this wiki page that I quoted here.  I think
that if there is only 1 POI that occupies the building, then that is best
indicated by putting the tags for the POI on the building polygon.  If you
just have a Node for the POI, then you are not saying anything about the
size of the business, and you are not saying anything about whether there
are multiple businesses occupying the same building.

Though there are often different entities that own the building and the
business in the building, I think for OSM we are much more concerned with
information about the business

If the business closes or moves, then just delete any tags related to the
business (shop, phone, website, etc), but keep the building and addr tags.
When a new business comes in, add tags as appropriate for that business.

Peter
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