On Thu, 21 Oct 1999 17:04:52 -0400, "Byong Mok Oh" <boh@xxxxxxxxxxxxxxxxxxxx> said: >Sorry about that. High dynamic range image can be thought of as >having 3 floating point values for RGB instead of 8 or 16 bits per >channel (usually expressed in 4 unsigned chars as RGB and an >exponent). It is pretty hot in computer graphics since raytracing >algorithms can output not just color but actual "brightness" values >of the scene. This would require substantial changes to the GIMP core to support. It might be possible to load such an image, but it would have to be converted to standard 8-bit RGB (with concomitant information loss) to be manipulated. Kelly