[Tagging] Meaning of way/node/area/rel in the tag documentation template

[Mateusz Konieczny]

Oct 4, 2021, 15:13 by osm at tobias-knerr.de:

> On 04.10.21 14:46, Martin Koppenhoefer wrote:
>
>> I am wondering what the meaning of the object types for tags is. (on node: yes, etc.)
>> Is this about possible use? Actual use?
>>
>
> I consider it to be about what object types the tag _should_ be used on (either according to proposals/consensus or, failing that, according to what can be inferred about mappers' intention from existing use in the database).
>
> If it was about actual use, it would be redundant with the Taginfo statistics in the same template.
>
Not really, due to lack of dedicated area object.

Note "not on way" where used for closed ways (landuse=forest)

Note "not on relation, except multipolygon" (likely also landuse=forest).

>> Do we really have tags where usage on certain element types is "forbidden"?
>>
>
> There are plenty of tags which data consumers will (rightfully) not expect to be used on certain element types, and which other mappers will probably treat as an error as well.
>
> For example, a highway=motorway tag on a node is very likely a tagging mistake, and won't be useful for many applications.
>
I would say that in many cases it is always a mistake (landuse=forest on
unclosed way for example).

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/tagging/attachments/20211004/9f4a999b/attachment.htm>