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im_falsecolour - colour a mono image
#include <vips/vips.h>
int
im_falsecolour(in, out)
IMAGE *in, *out;
Turns a one-band unsigned char image into a
three band unsigned char image. Changes in luminance in the one-band image
become changes in hue in the three-band image. You may wish to modulate the
luminance of the output image to increase visibility.
0 on success
and -1 on error.
im_disp2XYZ(3)
, etc.
National Gallery
J. Cupitt
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