[OSM-talk] routing across open spaces

[M∡rtin Koppenhoefer]

2010/12/7 Anthony <osm at inbox.org>:
> If all a router knows about is the perimeter, it shouldn't be cutting
> through an area.  If it understands areas, and the area is tagged as
> routable (implicitly or explicitly), then yeah, it should.


sorry for joining quite late in this thread, I wanted to point out
that there is also a proposal for defining areas implicitly by an
relation (which doesn't require a complete perimeter to be mapped):
http://wiki.openstreetmap.org/wiki/Relations/Proposed/Area

cheers,
Martin