Jan Hartmann wrote: > I am working with series of old topographical maps, rangnig from 10 to > 600 map sheets per map. Each sheet is discolored a bit from age. How can > I process a complete series in such a way that there are no differences > visible any more between map sheets? Preferably I would like to > downsample them to 8 bits color table, as the originals only have a > small set of colors. In other words: how do I calibrate s set of maps to > the same optimal color table?
This is probably better done with general image-processing software, e.g. pnmquant (from the Netpbm package) or "convert -colors ..." (from ImageMagick). -- Glynn Clements <[email protected]> _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
