[Tagging] [OSM-talk] OpenStreetMap Carto release v4.25.0

[Paul Allen]

On Wed, 5 Feb 2020 at 21:09, Christoph Hormann <osm at imagico.de> wrote:

>
> closed way, barrier=fence
>

Linear fence

closed way, barrier=fence, area=yes
>

Not sensible.  Fences are linear structures.  Tagging error.

closed way, barrier=fence, leisure=playground
>

Playground with a fence around it.

closed way, barrier=fence, leisure=playground, area=yes
>

Tagging error.  Interpretable as a playground with a fence around it if
you want to special-case it, but probably not worth the effort.

>
> multipolygon, barrier=fence
> multipolygon, barrier=fence, area=yes
> multipolygon, barrier=fence, leisure=playground
> multipolygon, barrier=fence, leisure=playground, area=yes
>

Not sure.  Never needed to do that, not really thought through the
implications.

closed way, barrier=hedge
>

Linear hedge.

closed way, barrier=hedge, area=yes
>

Area hedge.

closed way, barrier=hedge, leisure=playground
>

Playground with a hedge around it.

closed way, barrier=hedge, leisure=playground, area=yes
>

Tagging error.  Could be handled by ignoring area=yes if you want to
special-case it, probably not worth the effort.

>
> multipolygon, barrier=hedge
> multipolygon, barrier=hedge, area=yes
> multipolygon, barrier=hedge, leisure=playground
>

As above, but with holes in the area hedge or the playground, if there are
interior polygons.

multipolygon, barrier=hedge, leisure=playground, area=yes
>

Tagging error, as above.

closed way, barrier=ditch, waterway=ditch
> closed way, barrier=ditch, waterway=ditch, area=yes
> closed way, barrier=ditch, waterway=ditch, leisure=playground
> closed way, barrier=ditch, waterway=ditch, leisure=playground, area=yes
>

As for hedge, not for fence.  Ditches can have a significant width.  There's
a dry ditch I know of that is part of a castle fortification where the
ditch is as
broad as it is long that could usefully be handled that way (specifying a
ditch with a
width doesn't render as a wide ditch).

-- 
Paul
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