[GRASSLIST:5798] Trouble with raster maps and colour ranges.

Nicholls, Ian ian.nicholls at det.nsw.edu.au
Tue Mar 18 17:58:44 EST 2003


Hi
  I am using grass5 on a Linux server and I have imported BIL raster
files using r.in.gdal. The raster files have been supplied from a 1
metre dataset of the entire Australian geographic region. The problem I
am having is that the .hdr files for the BIL raster files indicates
different bit depths for different raster images. When I display the
images I get problems as the colour ranges for some tiles are not the
same as for others, hence when using the elevation data I end of with
that appears to be a 1500km long dead straight cliff face of at least
500m height that runs right through the middle of Outback Australia.  

What I would like to know is there any way of having the raster images
imported correctly to allow for this disparity in colour depths.?

Thanks in Advance

Ian Nicholls

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