[GRASS-user] DEM Issues

Markus Neteler neteler at osgeo.org
Tue Jan 5 04:42:09 EST 2010


On Tue, Jan 5, 2010 at 1:56 AM, Rich Shepard <rshepard at appl-ecosys.com> wrote:
>  I don't know if this is best done off the list or on it, but I cannot
> create shaded relief, slope, aspect, pcurve, or other maps from my project
> area DEM. There must be something elemental that I'm missing despite reading
> the GRASS book (2nd ed.) and man pages. If there's anything on the Wiki I
> missed it.

what's happening?

In general:

g.region rast=dem_1m -p
r.slope.aspect dem_1m slope=slope_1m aspect=aspect_1m
r.shaded.relief dem_1m

>  I have all the projection, resolution, and other data for the original DEM
> (from the accompanying metadata), the imported raster map, and the resampled
> 1m map (the last from r.info) and will provide those if it helps.

Perhaps just post the errors for now?


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