The following changes have been made to this directory since R3:

     o  support remapping colors on current colormap
     o  added -raw option to disable color mapping
     o  added -noclick option
     o  added -vis option to specify visual to use
     o  added -std option to specify a standard colormap
     o  added -new option to force use of a new colormap
     o  added -plane option
     o  bugs fixed

