Is the path terminating in local minimums? It is my understanding that r.drain overcomes pits/sinks in a DEM by traversing lowest locations until goes off map.
Mark On Sun, Feb 21, 2010 at 6:44 AM, johannnes83 <[email protected]> wrote: > > Dear All, > > I am using least cost path to model migration of wildlife through the > landscape. In my understanding from what I have read on this list and in the > grass manual I do the following steps: > > 1.) r.walk or r.cost for the cost distance. > 2.) r.drain where the starting point is the end point from the cost > distance. > > However, how do I overcome a local minimum (valleys) with r.drain? > > Any hints would be appreciated. > > Thanks Johannes > -- > View this message in context: > http://n2.nabble.com/Question-about-least-cost-path-tp4606448p4606448.html > Sent from the Grass - Users mailing list archive at Nabble.com. > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user > _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
