On 08/19/2010 08:23 PM, Steve Bennett wrote: > On Fri, Aug 20, 2010 at 10:51 AM, Richard Weait <[email protected]> wrote: > >> OSM expects a 'way' to be either a line, or a simple, closed polygon. >> Self-crossings, bifurcations and self-intersections other than a >> simple closed polygon are errors. >> > Interesting, I didn't know that. Potlatch behaves badly when dealing > with self-intersections (ie, a P shape) but I didn't realise that it > wasn't supported in OSM in general. > > Steve > > _______________________________________________ > newbies mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/newbies > > > When I mapped the Mill Creek Greenway (see <http://www.openstreetmap.org/?lat=36.0607659816742&lon=-86.6719150543213&zoom=15>, it was not a closed polygon, but Potlatch didn't report any errors, and no one has "corrected" (i.e., removed) it.
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