On Fri, Oct 7, 2011 at 7:49 AM, Josh Doe <[email protected]> wrote: > I've just used r.los for the first time, but want to do something > slightly different this time. Instead of finding what points > on-the-ground are visible by the observer, I want to find what points > at a height above-the-ground are visible by the observer. Or the > inverse, given a height of an object (person, tree, whatever), what > areas could hide these objects. I'm guessing I can't make r.los do > what I want without modifying the code. > > Just to be clear, the results I'm looking for will indicate a spot is > visible even behind a hill, so long as the object height is > sufficiently large enough to appear above the top of the hill. > > Does anyone know of a trick to do what I want, or perhaps have done > something similar and can share a script? > r.viewshed in the grass-addons can do exactly that what you want.
Markus M _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
