[GRASS-user] DEM export to GeoTiff

> run r.out.gdal -c
> the -c flag supresses exporting of these long colortables, they cause
> problems…

-c is not a valid flag …


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Stefan Mietke wrote:

> run r.out.gdal -c
> the -c flag supresses exporting of these long colortables, they cause > problems..

-c is not a valid flag ...

The -c flag for r.out.gdal is new in version 6.4. I don't know what version you use, probably 6.3, there -c is indeed not a valid flag for r.out.gdal.

> Stefan Mietke wrote:
> > > run r.out.gdal -c
> > > the -c flag supresses exporting of these long colortables, they cause
> > > problems…
> >
> > -c is not a valid flag …
> >
> >
> The -c flag for r.out.gdal is new in version 6.4. I don’t know what
> version you use, probably 6.3, there -c is indeed not a valid flag for
> r.out.gdal.

Of course I have version 6.3!

6.4 is not stable yet, isn’t it?


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Stefan Mietke wrote:
[...]

Of course I have version 6.3!

6.4 is not stable yet, isn't it?

On the download page [1] it says that GRASS 6.3 is a testing version and
GRASS 6.4 is the next stable version. GRASS 6.4 is available as release
candidate 2, with binaries for Mac and Linux. If possible, upgrade to
6.4, it really has a lot of improvements over 6.3.

[1] http://grass.osgeo.org/download/index.php

Okay, I can produce now some readable tiffs, but
the elevation data is lost finally. I have now
three RGB values instead of one elevation datum.

Or is it not possible to export DEMs with GRASS
at the moment?

Kind regards,
Stefan


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Finally I solved the problem with the –c flag …

r.out.gdal –c mydem mydem.tif

This will keep all elevation data in the file.
An upgrade to GRASS 6.4 (RC2) is necessary.





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