[GRASS-user] Re: trouble with r.terraflow

Markus Metz markus.metz.giswork at googlemail.com
Mon Apr 9 15:26:30 EDT 2012


On Mon, Apr 9, 2012 at 9:09 PM, tomte <tomte.tumetot at gmx.ch> wrote:
> below the output of g.region -p
>
>
> GRASS 6.4.1 (kana_cat0206):~/GIS/kanada/modelling/nka_05m/catch_0206_SA >
> g.region -p
> projection: 1 (UTM)
> zone:       11
> datum:      nad83
> ellipsoid:  grs80
> north:      5652250
> south:      5652130
> west:       635585
> east:       635705
> nsres:      5
> ewres:      5
> rows:       24
> cols:       24
> cells:      576
>
Hm, 576 cells is really not a lot, r.terraflow should work. I am still
puzzled about the "MM error: limit =0B" error. Can you try to set the
memory option to 200 and report what happens? Alternatively, try
r.watershed.

Markus M


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