Hi every one! I can't get my images to be grascale when i save them I'm using unsigned char as pixel type What else should i do to get 8bits grayscale image saved ? -- Romain Lebel PhaseView - Telecom Paris 37-39 rue Dareau, 75014 Paris Tel : +33 (0)1 45 81 81 68 Fax: +33 (0)1 45 81 81 44 Internet : www.phaseview.fr