At 02:37 PM 7/24/02 +1000, Mike wrote: >It is exactly 17,522,500 bytes in size. Not less and not more. >Any ideas what the problem could be in this case? 17.5M is 1 byte per pixel if the image is about 4k x 4k, so your image is grayscale. Rename it to test.gray and try again. Glenn