Jonathan Greenberg wrote: > If I have a r.cost surface calculated from a set of vector points > used as starting points, and some cost surface, is there any way to > easily retrieve the SOURCE vector ID that leads to the lowest cost > to get to any cell in the raster? E.g. from a given point, where > is the point that costs the least to get to?
It sounds a bit like an inverted topographic prominence problem. http://article.gmane.org/gmane.comp.gis.grass.user/19467/ As Dylan wrote, r.drain should help find the path to the nearest pit. Other water flow modules may help too. Hamish ____________________________________________________________________________________ Looking for last minute shopping deals? Find them fast with Yahoo! Search. http://tools.search.yahoo.com/newsearch/category.php?category=shopping _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
