IRAF help page for package images.tv.iis, program lumatch

lumatch -- match lookup tables for two display frames

lumatch frame ref_frame

Frame whose lookup table is to be adjusted.

Frame whose lookup table is to be matched.

The lookup tables mapping the display frame values to the grey levels on the display monitor are matched in one frame to a reference frame.

To match the lookup tables in frame 3 to those in frame 1:

cl> lumatch 3 1