Al Bogner on wrote... | Assue an b&w image is created like this: | | convert -size 300x100 plasma: -virtual-pixel tile -blur 0x2 -charcoal \ | 10 -negate -shave 10x10 +repage -normalize -gamma 0.2 test.jpg | | How can I replace the white colour with blue? | As you have a grey scale image, just multiply the image by blue!
-fx 'u*Blue' Black (0) remines Black.. Black*anything ==> Black This will also take care of any 'grey' pixels which would be ignored by a direct white to blue color replacement. For other techniques.. see Color Modifications http://www.cit.gu.edu.au/~anthony/graphics/imagick6/color/ Anthony Thyssen ( System Programmer ) <[EMAIL PROTECTED]> ----------------------------------------------------------------------------- Murphy said, 'Constants aren't', and Murphy was apparently one of the gods of this universe. -- Rick Cook, "Wizard's bane" ----------------------------------------------------------------------------- Anthony's Home is his Castle http://www.cit.gu.edu.au/~anthony/ _______________________________________________ Magick-users mailing list [email protected] http://studio.imagemagick.org/mailman/listinfo/magick-users
