[OSM-talk] Tagging POI's - Nodes vs. areas

Jan van Bekkum jan.vanbekkum at gmail.com
Tue Apr 21 15:21:00 UTC 2015


If you use a relation shouldn't it be a site relation instead of a
multipolygon?

On Tue, Apr 21, 2015 at 4:24 PM Bryan Housel <bryan at 7thposition.com> wrote:

> `amenity=hospital` is what makes it a proper hospital.  You can create a
> node where the hospital is, or an area around the property of the
> hospital.  Drawing either a node or an area is ok, but drawing areas is
> preferred if you have time for it.
>
> If the hospital is just one building, you can add `building=yes` or
> `building=hospital` to the amenity.   If the hospital is a campus of
> several buildings, you can draw each building as well.  `building=*`
> (anything) should make it render like a building/structure.   The actual
> value of the building tag is not really used often (it’s considered a
> description of what the building looks like, not what it is), so most
> buildings are just tagged as `building=yes` unless they are really special
> somehow.
>
> Thanks, Bryan
>
>
>
>
> On Apr 21, 2015, at 9:58 AM, EthnicFood IsGreat <
> ethnicfoodisgreat at gmail.com> wrote:
>
> I want to know how to tag buildings which are also amenities or shops.  I
> have consulted the wiki and I cannot find a clear explanation of this.  Say
> you have a building which is a hospital.  One way to tag the polygon would
> be "building = hospital."  Another way would be "amenity = hospital."
> Another way would be to simply tag the building as "building = yes" and
> then place a node inside the building polygon and tag the node as "amenity
> = hospital."  I'm thinking in terms of how the hospital will show up in the
> various renderers.  Do most renderers require the "amenity" tag in order to
> display a hospital symbol at that location?  (In other words, what happens
> if I just use the "building = hospital" tag on the polygon and no amenity
> tag?)  And what about the hospital name?  Do I include it with the building
> polygon or the node?  Or both?  This is very confusing.  It seems there is
> a certain amount of overlap when it comes to the application of building,
> amenity, and shop tags.
>
> Mark Bradley
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