[GRASS-dev] r.viewshed -memory problem

[Markus Neteler]

On Tue, Jan 10, 2012 at 2:15 PM, Jan Trochta <j.trochta at gmail.com> wrote:
> I tried decrease resolution to 0.2 and its work.
>
> g.region -p:
>
> projection: 99 (Krovak)
> zone:       0
> datum:      towgs84=570.8,85.7,462.8,4.998,1.587,5.261,3.56
> ellipsoid:  bessel
> north:      -1158293.493
> south:      -1159681.061
> west:       -804210.292
> east:       -803341.459
> nsres:      0.09999769
> ewres:      0.1000038
> rows:       13876
> cols:       8688
> cells:      120554688

Ja,

do you really have a 10cm (!) resolution DEM there?
Perhaps you want to adjust the resolution to that of the DEM.

Best
Markus