I'm not sure if you'll find what you're looking for in use by current OSM software. You're thinking more about AI pathfinding in video games: http://en.wikipedia.org/wiki/Pathfinding
If you find something that ingests OSM data and can do this sort of routing I'd love to hear about it! -Josh On Tue, Jun 14, 2011 at 11:52 AM, Ævar Arnfjörð Bjarmason <[email protected]> wrote: > I have the following problems I want to solve with OpenStreetMap data: > > * For points A and B, detect if either one is on an island, and that > you therefore can't traverse between them without a swim. > > * For points A and B, get the distance between them by land. E.g. if > A and B are on opposite sites of a fjord. > > The routing libraries I've found seem to all assume that I want to > route across roads, whereas for this task all I need is just a > coastline shapfile of the planet. I'd then find out if A and B are on > different coastlines, or the shortest path between them on land. > > Is there anything that does this already? I'm fairly sure I could do > some cleverness with PostGIS to find out whether the line between > points A and B crosses the ocean, but what I actually want is the > distance between them sans ocean. > > _______________________________________________ > dev mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/dev > _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
