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

[Dave F]

On 03/10/2022 09:11, Warin wrote:
>
>
>>
>> 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).
>

Isn't that a bit antiquated from the days OSM-Carto said they couldn't 
render multiple objects in one OSM way such as 
landuse=farmland/barrier-hedge etc, which they've now sorted.



>
> 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.
>

Occasionally they do:

ttps://snipboard.io/TVdf7A.jpghttps://snipboard.io/TVdf7A.jpghttps://snipboard.io/TVdf7A.jpg

If you map them as separate ways the ford & waterway tags aren't conjoined.

DaveF
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