On Mon, Feb 1, 2010 at 12:50 AM, Roy Wallace <waldo000...@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 compatibility. 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 http://wiki.openstreetmap.org/wiki/User:%E2%A0%A0%E2%A0%81%E2%A0%9D%E2%A0%9E%E2%A0%93%E2%A0%95%E2%A0%9D%E2%A0%BD
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