pgmbentley(1)

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