Heng, > > Hi Uwe, > > I have been trying to use gdal_merge.py to merge > a few 8 bit colored .tif tiles together. Having > tried all sorts of options for this command, I > always ended up with a merged 8-bit grayscale picture. > I did a search on the internet and found a couple of > posts related to this, however it seemed to me that > the gdal_merge.py just does not have the ability > to preserve the color. Did I get the wrong idea about > this? Do you have any suggestion to solve this problem? > you have to specify "-pct" to grab the color table of the first merged tile for the result file. And, very important, all input tiles need to have the *same* color table, because merging is done on pixel values (that means channels).
> Not sure if I should post a separate message for > this gdal_merge.py issue. I just thought this would > be the quickest way to get the help :) > Yes, IMO a seperate post would have been better and addressing it to me wouldn't always help to get a fast response ;-) Regards Uwe _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev