GIMP

plug-ins from the registry

Light to Height Plug-in

the compile commandline

CFLAGS="-O2 -DG_DISABLE_ASSERT -DENABLE_NLS" gimptool --install l2height-0.7.c

menu

<Image>/Filters/Map/Light to Height

quick example

my-example-original

I didn't do much to the plug-in options, I just changed the height some.

widget

The resulting image was unintentionally beautiful, I thought:

my-example