[Tagging] Terminology primary feature, main tag, etc..

[Warin]

On 3/10/22 18:06, Martin Koppenhoefer wrote:
>
>
> sent from a phone
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>> On 3 Oct 2022, at 07:55, Mateusz Konieczny via Tagging 
>> <tagging at openstreetmap.org> wrote:
>>
>>
>>         - primary feature [1]
>>         - main key [2]
>>         - primary key [3]
>>         - feature tag [4]
>>
>>         1) Are these synonyms (except for the key/tag distinction)?
>>
>>
>>
>>     yes
>>
>> what about cases where multiple features are tagged on one object?
>> For example stream + road tagged on one line?
>
>
> 2 primary features, identified by feature tags, represented by one 
> OpenStreetMap element. Main key for stream is waterway, for road it is 
> highway. In the osm2pgsql standard style, both are primary keys.
>
>

The guide says 'one feature = one OSM entry'. I would try to map each 
feature as one entry (node/way/what ever).


A stream would not normal start and finish on a road .. so that would be 
a separate way compared to the road.. and I'd put ford on that section 
of road..
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