Found ;) gdal_translate -of VRT tif vrt Then rgb2pct.py Thanks -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Convert-3-band-RGB-image-to-1-band-indexed-color-image-tp5329771p5329819.html Sent from the GDAL - Dev mailing list archive at Nabble.com.