[Tagging] building=yes for multiple building

Simon Poole simon at poole.ch
Thu Mar 17 07:49:21 UTC 2016

We are really discussing two different issues here.

- use of building key for buildup areas that should be
landuse=residential or other landuse variants, don't think anybody
disagrees that building is misplaced is such situations

- use of one building outline for a complex of potentially more than one
building that are adjacent and not easily divided in to individual
component structures (I had to laugh at the suggested "can stand on its
own" criteria, having seen other building collapse when one in a row has
been demolished).


Am 17.03.2016 um 06:41 schrieb Jean-Marc Liotier:
> On 03/16/2016 03:47 PM, joost schouppe wrote:
>> Is it OK to map multiple buildings as one closed line with the
>> building=yes tag ? Or does building=yes imply it is one single
>> building ?
> building=yes is a single building.
> I have encountered this problem a lot in Senegal. I talked with local
> mappers and I found the root cause: university GIS courses teach them
> to map "built-up zones" and they gravitate towards building=yes for
> that. We are pushing the message that it is not the right way to do it
> - that is what landuse=* is for and there are also some place=* such
> as place=city_block.
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