[Tagging] How to put a name tag on an area with more than one type?

[Brian M. Sperlongano]

Hello Anders,

I would recommend creating a multipolygon relation (type=multipolygon) with
each of the wetland pieces, and set the name= and appropriate natural= and
wetland= tags on the relation.

On Fri, Dec 11, 2020, 11:11 AM Anders Torger <anders at torger.se> wrote:

> Hello,
>
> I was on this list a while back expressing some frustration over
> limitations when tagging nature and thought about getting involved in a
> process for change, but I came to realize that it's not feasible for me
> in my current life situation, so I've decided to continue be a normal
> mapper as before, doing what I can do with features that exist today.
>
> Anyway, if to be a mapper at all, I still like to solve some of my
> naming issues in the best/least bad ways possible today. I'm currently
> mapping a national park in Sweden, Muddus. It's in Laponia and consists
> of mighty wetlands and old forest. These wetlands are named, like is
> common in Sweden and Sami lands. For us navigating in wildlife, names in
> nature are important.
>
> A wetland polygon can be named in OSM, so the situation is better than
> for example for named slopes (also common). However, a wetland here can
> consist of both bog and marsh (and it's important to make the
> difference, since one is easy to walk on, the other not so much). That's
> two different natural types and thus can't be in the same multipolygon
> (as outers).
>
> Asking on OSM Help website for a solution I got the answer to make a new
> containing multipolygon and set the name on that. That would be quite
> elegant for sure, but JOSM warns about that, can't have a name without a
> type, and if I set the type, say natural=wetland without any subtype, I
> get a JOSM warning that I have natural features on top of eachother. If
> I still upload it OSM-Carto does render out the name but you can see
> that the wetland pattern of the outer polygon is drawn on top of the
> contained polygons, so it does not seem to be the way to do it.
>
> The least bad way I've come up with is to just name all polygons
> belonging to the same wetlands the same, and hope for that in the future
> smart renderers will understand that polygons with shared borders and
> shared name is the same named entity.
>
> Any ideas or suggestions?
>
> /Anders
>
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