On Sun, 2008-08-03 at 18:12 +0200, Markus Metz wrote: > > So nodata=255 does not mean "loss of information"? > > The red, green, blue channels are 8-bit (2 high 8 = 256, values > counting > > from 0 up to 255). > > > It means that NULL cells in the GRASS raster are replaced with 255 or > the specified nodata value.
And what happens to the 255 pixels if the NULL cells become 255 after export? OK, let me figure this out: I have an RGB photo with values from 0 to 255. Import in GRASS splits in red, green, blue with values from 0 to 255 Why should I want to eliminate those 255 values after exporting? This is what I mean loss of information. Where am I wrong? _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
