Dear all,
i have attached a patch that extents r.colors to support multiple maps
as input.
The idea is that each map gets the same color table attached that is
computed based on the range and cell statistics of all input maps.
This is IMHO very meaningful in case of time series data.
The patch provides full backward compatibility. Multiple maps can be provided
as comma separated map list or as an input file with one map name per line.
Please have a look at the patch.
I would like to apply the it as well as tests in case there are no
objections against.
Best regards
Soeren
(attachments)
r_colors_multimap.diff (20.7 KB)
Dear all,i have committed (r53640) the patch to implement multiple raster/3D raster support in r.colors, since there were no objections against my modification. 
···
I have committed (r53641) a new temporal module (t.rast.colors) in addition to the modification of r.colors to create a color table for all maps in a space time raster dataset.
Best regards
Soeren
2012/10/30 Sören Gebbert <soerengebbert@googlemail.com>
Dear all,
i have attached a patch that extents r.colors to support multiple maps
as input.
The idea is that each map gets the same color table attached that is
computed based on the range and cell statistics of all input maps.
This is IMHO very meaningful in case of time series data.
The patch provides full backward compatibility. Multiple maps can be provided
as comma separated map list or as an input file with one map name per line.
Please have a look at the patch.
I would like to apply the it as well as tests in case there are no
objections against.
Best regards
Soeren