Thanks Kyle that worked perfectly, much obliged. -- View this message in context: http://osgeo-org.1560.n6.nabble.com/Can-RasterIO-write-one-band-at-a-time-or-must-I-combine-my-separate-R-G-B-buffers-first-tp4376337p4376431.html Sent from the GDAL - Dev mailing list archive at Nabble.com.