setlum(6D)

setlum - modifies the luminance on an image

As shipped in IRIX 6.5.30. Unchanged since IRIX 6.5.

NAME
     setlum - modifies the luminance on an image

SYNOPSIS
     setlum inimage.rgb inimage.bw outimage.rgb

DESCRIPTION
     setlum modifies the luminance (brightness) of each pixel in the first
     input image (inimage.rgb) to be the same as the pixel value in
     inimage.bw.