[OSM-talk] [tagging] RFC :left/:right (asymmetrical roadside features)

Andy Allan gravitystorm at gmail.com
Mon Feb 16 17:53:53 GMT 2009


On Sun, Feb 15, 2009 at 10:59 PM, Andrew Chadwick (mailing lists)
<andrewc-email-lists at piffle.org> wrote:
> Further to Tobias's raising of :<mode>, :wet, :<direction> etc. for
> pseudovoting, I'd like to raise a general method for tagging properties
> of the two sides of the road:
>
>   http://wiki.openstreetmap.org/wiki/Proposed_features/right_left
>
> The proposal suggests an interpretation of suffixes like
>
>   <property>:left=<value>
>   <property>:right=<value>
>
> which works in a backwards-compatible way and which is machine-
> interpretable for different classes of application. It does not suggest
> any particular keys for <property>, however it might ultimately be used
> to resolve the inability to specify which side(s) of the road a cycleway
> is on, for example.
>
> I think it would work quite well for static, non-access-related features
> applicable only to single sides of the road. Abutters, cycleways, names
> spring to mind as immediate uses.

And every time using :left and :right comes up, we all have a big
discussion about it and then nobody pays any attention and it comes up
again a few months later.

Cheers,
Andy




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