[GRASS-dev] r.viewshed -memory problem

[Jan Trochta]

Yes, Its 10 cm, but it is not DEM.I wish to simulate lidar scanning in
forest. I would like to know how far can terrestrial lidar find trees.
Thats why I have so detailed resolution.
Jan

Dne 10. ledna 2012 22:06 Markus Neteler <neteler na osgeo.org> napsal(a):
> On Tue, Jan 10, 2012 at 2:15 PM, Jan Trochta <j.trochta na 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