[mkgmap-dev] Multipolygones and tags in outer line

Mon Feb 21 23:11:14 GMT 2011

Am 22.02.2011 00:03, schrieb Thorsten Kukuk:
> On Mon, Feb 21, Henning Scholland wrote:
>
>> Am 21.02.2011 23:13, schrieb Thorsten Kukuk:
>>> Hi,
>>>
>>> I found now several buildings/areas, which where constructed
>>> with multipolygons, but where only the inner polygons where
>>> ignored for rendering
>> Hi Thorsten
>>
>> It seems to be an error in osm-data. If you have  a MP, all taggs on
>> outer way describes the hole polygon. All taggs on MP-relation describes
>> the area between outer and inner polygon.
> I was already afraid of that. Looks like at least in Nuernberg,
> somebody did this consistently wrong :(
>
> But I only wonder that the renderer used for the maps on
> openstreetmap.org is doing it correct. So it's hard to
> argue that it is a osm-data bug ...
>
>    Thorsten
You can take a look into our wiki ( 
http://wiki.openstreetmap.org/wiki/DE:Relation:multipolygon )

Henning