[Tagging] Relations of type=site + tourism=camp_site

[Warin]

On 10/11/22 22:36, Martin Koppenhoefer wrote:
>
> sent from a phone
>
>> On 10 Nov 2022, at 12:31, Yves via Tagging <tagging at openstreetmap.org> wrote:
>>
>> Site relations are often used to models thing that aren't spatially joined, like windfarms, universities...
>> I can easily imagine it's reasonable to use them for campings in some corner cases where a single area doesn't work.
>
> multipolygons can solve any disjoint area problems, you only need a site relation if some members are nodes or linear ways or relations.


Only when the outer members don't touch, for instance two buildings that 
share a wall, but are of different heights. Yes you could map each 
building as a multipoyglon .. and then map the non over lapping building 
ways to the university multipolygon .. but loose the name and ref number 
of the buildings..

A site relation is better as it is simpler and better matches the data.