On Thursday 21 February 2002 1:39 pm, Asger K. Alstrup Nielsen wrote: > On Thu, 21 Feb 2002, Angus Leeming wrote: > > > and the problem is now defining an appropriate mapping from the colour > > colourmap to a grayscale or monochrome one. > > I'm not sure what the problem is, but if you want to convert from > color to grayscale, just do this: > > int gray = (red + blue + green) / 3; > > If you want to go monochrome, do this: > > bool black = gray >= 128; > > Greets, > > Asger
Thanks, Asger. I was playing already! A