[Tagging] Status of proposed roof:ridge / roof:edge ?

Tobias Knerr osm at tobias-knerr.de
Mon Aug 31 18:39:46 UTC 2020


On 31.08.20 20:06, Oliver Simmons wrote:
> Does anyone know if this tagging:
> https://wiki.openstreetmap.org/wiki/ProposedRoofLines
> 
> Is accepted and ok to use?
> 
> It has “proposed” in the title but there’s none of the usual proposal
> stuff saying if it was accepted or not.

It never went through the proposal process, and dates back to the era a
decade ago when the first 3D renderers in OSM showed up.

Over the years, the approach has seen some use in the database, but it's
far behind the roof:shape tagging from Simple 3D Buildings in
popularity. Application support is very limited, I don't know if any
software except OSM2World supports it. Still, it's the most popular
approach for modelling roofs with geometry (as opposed to picking from a
catalogue of typical shapes) if that's what you're looking for.

My recommendation is to only consider it if the roof shapes from Simple
3D Buildings aren't sufficient to describe a given roof. (Even then, you
could still add the closest roof:shape tag for compatibility reasons.)

Yours,
Tobias



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