#!/bin/csh
# invroll -- inverted rolling ball transform of a gray-level image
# (function-function closing of an image minus the original image)

set argc = ($*)

if ( "$#argc" < "1" ) then
   echo "usage:  invroll < RasFileIn  > RasFileOut  SE_spec"
   exit 
endif

morph -m b -i g -s g -o f -k $* -z

