[GRASSLIST:2378] The g3.region settings ....

[Geotronix]

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Hi,

I'm trying to get s.vol.rst to work for the computation of rainfall map
using a 50m resolution cell (1000x1000 cells grid).
Now, the site file that's input for s.vol.rst has 4 columns
x|y|z|%rainfall(mm/year)

When I tried to launch s.vol.rst the first time it told me that I had to
set the 3D region. SO I launched g3.createregion which reead the
defaults from the current 2D region. I gave him the following options:

g3.createregion t=2500 b=0 dres=1

as to resemble:

t=2500 --> max altitude in meters that I have on my dem;
b=0  --> min altitude on my dem ;
dres=1 -->vertical resolution on 1 meter.

Now, I used the maskmap option for s.vol.rst so as to narrow the
computation only to a subarea of the 1000x1000 cell area while all
rainfall station (25) fall in the 1000x1000 cell area.

I launched the program and it is takeing a hell of a long time to
compute. After 4 hours it's still at 0%.

Did I miss something in the settings of the 3D region or does it simply
take so much time to compute? Yet, 1000x1000 cells don't seem to be much
......


Thanks

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