[GRASSLIST:7535] Re: DEM import

Martin Wegmann wegmann at biozentrum.uni-wuerzburg.de
Wed Jul 13 11:31:09 EDT 2005


Hello, 

what does r.info "DEM-name" say?
Did you try to set g.region to match your raster (g.region rast=DEM-name)

hope this helps, Martin



On Wednesday 13 July 2005 17:19, you wrote:
> Dear reader
>
> I was able to import a DEM (2527.dat), which consists of the elevation data
> between
> -25S and -26S lat, 27E and 28E, using r.in.bin.  When I tried to display
> the import, a blank display
> monitor came up.  Just to see how the display of e DEM looks, I imported
> the following ASCII grid (found in the help file):
>
> north: 4299000.00
> south: 4247000.00
> east: 528000.00
> west: 500000.00
> rows: 10
> cols: 15
> null: -9999
>
> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
>
> It also imported without problems, but the display was a blank screen
> again.
>
> How should a DEM display look, and what am I doing wrong?
>
> Regards
> kobus bedeker

-- 
Martin Wegmann

DLR - German Aerospace Center
German Remote Sensing Data Center
@
Dept.of Geography
Remote Sensing and Biodiversity Unit
University of Wuerzburg
Am Hubland
97074 Würzburg

phone: +49-(0)931 - 888 4797
fax:   +49-(0)931 - 888 4961
http://www.biota-africa.org
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