[Tagging] relation site <> multipolygon

Marc Gemis marc.gemis at gmail.com
Sun Oct 7 15:23:41 UTC 2018

The relation is https://www.openstreetmap.org/relation/2721886
The historic place link only works if you manually select a base map
from the menu.


On Sun, Oct 7, 2018 at 2:47 PM Mateusz Konieczny
<matkoniecz at tutanota.com> wrote:
> I found (again) https://wiki.openstreetmap.org/wiki/Relations/Proposed/Site
> and I am trying to improve it.
> "multiple cave entrances of a single cave" sounds like a good example of a valid use
> but http://gk.historic.place/historische_objekte/translate/en/index-en.html?zoom=16&lat=50.67804&lon=7.22231&layers=B0000FT&detail=3 is not loading properly for me.
> Can you link directly OSM relation of this object?
> 2. Oct 2018 18:01 by marc.gemis at gmail.com:
> This relation combines a number of cave entrances the belong to the
> same system that is apparantly protected:
> http://gk.historic.place/historische_objekte/translate/en/index-en.html?zoom=16&lat=50.67804&lon=7.22231&layers=B0000FT&detail=3
> On Tue, Oct 2, 2018 at 5:08 PM Mateusz Konieczny
> <matkoniecz at tutanota.com> wrote:
> 2. Październik 2018 12:36 od marc_marc_irc at hotmail.com:
> Le 02. 10. 18 à 11:46, Mateusz Konieczny a écrit :
> > Can you link this case if that is more complicated?
> it's a fictional example. ok not the better one.
> take again the example you cut in the initial message:
> a wind turbin site with a few turbines represented by a few nodes
> I hope your solution is not to make a way for each wind turbine
> to be able to add in into a multipolygon to describe the site.
> it would not make much sense to make a polygon encompassing all objects
> between the wind turbines and describe that the whole thing is a wind site
> I agree that for wind turbines multipolygon may not be feasible.
> So far it is the only known to me case where site relation maybe is useful
> (I have no experience with features like wind turbine farms so it is hard
> for me to judge this case - that is why I skipped it).
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