[GRASS-dev] r.viewshed -memory problem
j.trochta at gmail.com
Wed Jan 11 03:09:13 EST 2012
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.
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
> do you really have a 10cm (!) resolution DEM there?
> Perhaps you want to adjust the resolution to that of the DEM.
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