[GRASS-user] using V VOL RST -Zscale for anisotropy

Benjamin Ducke benducke at fastmail.fm
Sat Mar 30 23:56:45 PDT 2019


Salut Francois,

Have you tried setting "zscale" to a value
smaller than "1"? E.g. "0.5" should give
half as much weight to distances along the
Z axis (which is equivalent to giving twice
as much weight to X-Y distances).

Best,

Ben

On 30/03/2019 20:16, Francois Chartier wrote:
> Hi, 
> 
> I would like to know how zscale can be used to model anisotropy with
> V.VOL.RST.  see attached image view 3d raster in paraview (showing 2
> intersecting slices).
> 
> I am modeling soil texture and would like to give more weight
> horizontally than vertically.
> 
> thanks,
> Francois
> 
> 
> 
> 
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