Hi folks, thank you for you hints! It is working and I am waiting for the gdal2tiles script to build my 25GB quadtree. :-) Cheers, David -- View this message in context: http://osgeo-org.1560.n6.nabble.com/gdal-translate-custom-binary-image-format-tp4851982p4854974.html Sent from the GDAL - Dev mailing list archive at Nabble.com.