[GRASS-user] Re: shortest / less steep path in DEM

2009-02-17 Thread Georg Kaspar
On Tue, 17 Feb 2009 13:39:15 +, Georg Kaspar wrote:
 Hi,
 to calculate the shortest path from a mountain top into the valley, I
 ususally use r.flow [...]

sorry, I meant r.drain...

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Re: [GRASS-user] Re: shortest / less steep path in DEM

2009-02-17 Thread Koen Hufkens
Forgot to post to the list as well,

In short, combine both the length cost map and the steepness (r.slope
output) cost map (according to your preference).

Use this output as input for a final cost calculation.

That should do the trick I think,

Koen


On Tue, 2009-02-17 at 14:15 +, Georg Kaspar wrote:
 On Tue, 17 Feb 2009 13:39:15 +, Georg Kaspar wrote:
  Hi,
  to calculate the shortest path from a mountain top into the valley, I
  ususally use r.flow [...]
 
 sorry, I meant r.drain...
 
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 grass-user@lists.osgeo.org
 http://lists.osgeo.org/mailman/listinfo/grass-user
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