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\
.\" This man page was generated by the Netpbm tool 'makeman' from HTML source.
.\" Do not hand-hack it! If you have bug fixes or improvements, please find
.\" the corresponding HTML page on the Netpbm website, generate a patch
.\" against that, and send it to the Netpbm maintainer.
.TH "Pgmbentley User Manual" 0 "11 January 1991" "netpbm documentation"
.SH NAME
pgmbentley - Bentleyize a PGM image
.UN synopsis
.SH SYNOPSIS
\fBpgmbentley\fP
[\fIpgmfile\fP]
.UN description
.SH DESCRIPTION
.PP
This program is part of
.BR "Netpbm" (1)\c
\&.
.PP
\fBpgmbentley\fP reads a PGM image as input and performs the
Bentley Effect, and writes a PGM image as output.
.PP
The Bentley Effect is described in "Beyond Photography"
by Holzmann, chapter 4, photo 4. It's a vertical smearing based on
brightness.
.UN seealso
.SH SEE ALSO
.BR "pgmoil" (1)\c
\&,
.BR "ppmrelief" (1)\c
\&,
.BR "pgm" (5)\c
\&
.UN author
.SH AUTHOR
Copyright (C) 1990 by Wilson Bent (\fIwhb@hoh-2.att.com\fP)
.SH DOCUMENT SOURCE
This manual page was generated by the Netpbm tool 'makeman' from HTML
source. The master documentation is at
.IP
.B http://netpbm.sourceforge.net/doc/pgmbentley.html
.PP
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