[GRASS-user] distance from extent to origin cost surfaces

[Dylan Beaudette]

On Saturday 29 March 2008, Jason Jorgenson wrote:
> Hi everyone.  I am trying to determine the minimum and maximum
> distance from the outermost extents of a cost surface (which I
> genereated with r.walk) back to the origin.  Is there a way to do
> this?
>
> Jason

can you elaborate?

usually r.drain is used in conjunction with r.walk / r.cost to find 
the "least-cost" path. Not sure how you would find the "most-cost" (?) path.

Cheers,

Dylan

-- 
Dylan Beaudette
Soil Resource Laboratory
http://casoilresource.lawr.ucdavis.edu/
University of California at Davis
530.754.7341