[GRASSLIST:4789] Re: r.in.tiff: problems

[Hamish]

> > Next I'm trying to bring in some SRTM topographic data. I've used 
> > MacDEM to merge 4 degree squares and exported these as a tiff with 
> > world file. Using r.in.tiff, I get three bands (.r, .g, .b). However 
> > band .r displays as null values, .g and .b display as greyscale.
>
> A better way to bring in SRTMs into GRASS is directly, using r.in.gdal. 
> Then use GRASS to patch them together.  There's been a few queries 
> about it on the list recently - check the archives.  Maybe when I have 
> time to figure out the new wiki I'll add something there.


Try Markus's r.in.srtm scripts, they work quite well.

http://mpa.itc.it/rs/srtm/index.html


Then patch together with r.patch.


Hamish