[GRASSLIST:6425] Re: Relative slope position in GRASS?

Markus Neteler neteler at itc.it
Tue Apr 12 04:17:46 EDT 2005


On Tue, Apr 12, 2005 at 01:45:42PM +1200, Hamish wrote:
> > Any hints/plugins available to calculate relative slope position with
> > GRASS 6.0?
> 
> I'm not 100% sure what "relative slope position" is, but r.slope.aspect
> will calculate slope and aspect maps from an elevation map.
> 
> Then d.rast.arrow will show downhill flow direction from the aspect map
> (need to zoom way in) or someone recently posted a way to do this in a
> better way using the R-statistics interface.
> 

The r.param.scale
 http://grass.itc.it/grass60/manuals/html60_user/r.param.scale.html
can help as well.
"r.param.scale extracts terrain parameters from a DEM."

-> feature: Morphometric features: peaks, ridges, passes, channels, pits and planes

Markus




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