R: [GRASS-user] calculating slope in SRTM data fromhttp://srtm.csi.cgiar.org/

[marco.pasetti at alice.it]

Hi Maning,
 
> now have  a working GRASS database with SRTM imported (as integer).

did you use r.in.gdal, right?
 
>In running r.slope.aspect, do I need to do further pre-processing of
the SRTM DEM?
 
no, you don't.
 
Marco

________________________________

Da: grass-user-bounces at lists.osgeo.org per conto di maning sambale
Inviato: ven 09/05/2008 10.24
A: grass-user
Oggetto: [GRASS-user] calculating slope in SRTM data fromhttp://srtm.csi.cgiar.org/



Hi,

I'm using processed SRTM data from http://srtm.csi.cgiar.org/ the
current release is Version 3, which was a great improvement from V1
and 2 especially with 1/2 pixel shift, coastline boundary clipping and
filled holes.

I would like to ask others on using this dataset in calculating slope.
 I now have  a working GRASS database with SRTM imported (as integer).
 In running r.slope.aspect, do I need to do further pre-processing of
the SRTM DEM? The 90m pixel size is OK for the purpose of the
research.

cheers,
maning

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