#!/bin/csh
# grank -- rank filter of a gray-level image (defaults to median w/o -r)

set argc = ($*)

if ( "$#argc" < "1" ) then
   echo "usage:  grank < RasFileIn  > RasFileOut  SE_spec [-r med | nnn]"
   exit 
endif

morph -m r -i g -k $*
