PGMBENTLEY


		
NAME

		
      pgmbentley - Bentleyize a portable graymap


		
SYNOPSIS

		
      pgmbentley [pgmfile]


		
DESCRIPTION

		
      Reads a portable graymap as input.  Performs The Bentley Effect, and
      writes a portable graymap as output.
      The Bentley Effect is described in "Beyond Photography" by Holzmann,
      chapter 4, photo 4.  It's a vertical smearing based on brightness.


		
SEE ALSO

		
      pgmoil(1), ppmrelief(1), pgm(5)


		
AUTHOR

		
      Copyright (C) 1990 by Wilson Bent (whb@hoh-2.att.com)