Legacy ImageMagick Discussions Archive

Ok I looked into the image a bit more and I found that there were fewer than 256 colors in the original image, when I used a different image that I knew had 256 colors, it worked! Thanks so much for your help, I am almost complete. I have converted the C, M, and Y, but I am having trouble with Black ...

Ok I tried the order that you mentioned fwm42... MagickSeparateImageChannel (CyanChannel) - "first separate your channel" MagickSetImageDepth (8) - "then set the depth to 8" MagickSetImageType (PaletteType) - "then specify the type as either palette or grayscale" This produced a colortable with only ...

I am trying to use the MagickWand API to read a tiff and output a bmp representing a 256 indexed color(PseudoClass) greyscale image of the Cyan channel. Please help, I have tried: MagickSetImageType TrueColorType MagickSeparateImageDepth 8 MagickSeparateImageChannel CyanChannel MagickQuantizeImages ...