[Tagging] Micro Mapping, was Race track

Anthony osm at inbox.org
Mon Feb 1 06:02:10 GMT 2010

On Mon, Feb 1, 2010 at 12:50 AM, Roy Wallace <waldo000000 at gmail.com> wrote:

> Here's a brainstorming picture, plenty of kinks to be worked out if
> anyone's up for a challenge: http://www.myimgs.net/images/psgb.gif
> E.g. if we're mapping ways as areas, how should the intersection
> "area" be tagged?

Instead of role=area, I'd suggest separate ways: role=left, role=right, and
role=outer.  The role=center way could then be optional, solely for backward

This way you can indicate direction directly on the relation.  Plus you can
share ways, so the role=left way for one lane (or set of lanes, or landuse
area, or pedestrian area, or gore area, or barrier, etc.) can be the
role=right way for another lane (or...).

I set up a list of example situations to ponder at
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