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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2//EN">
<HTML><HEAD><TITLE>Ppmspread User Manual</TITLE></HEAD>
<BODY>
<H1>ppmspread</H1>
Updated: 16 November 1993
<BR>
<A HREF="#index">Table Of Contents</A>
<A NAME="lbAB"> </A>
<H2>NAME</H2>
ppmspread - displace a PPM image's pixels by a random amount
<A NAME="lbAC"> </A>
<H2>SYNOPSIS</H2>
<b>ppmspread</b> <I>amount</I> [<I>ppmfile</I>]
<A NAME="lbAD"> </A>
<H2>DESCRIPTION</H2>
<p>This program is part of <a href="index.html">Netpbm</a>.
<p><b>ppmspread</b> reads a PPM image as input and moves every pixel
around a bit relative to its original position. <i>amount</i>
determines by how many pixels a pixel is to be moved around at most.
<P>Pictures processed with this filter will seem to be somewhat
dissolved or unfocussed (although they appear more coarse than images
processed by something like <I>pnmconvol</I>).
<A NAME="lbAE"> </A>
<H2>SEE ALSO</H2>
<A HREF="ppm.html">ppm</A>,
<A HREF="pnmconvol.html">pnmconvol</A>
<A NAME="lbAF"> </A>
<H2>AUTHOR</H2>
Copyright (C) 1993 by Frank Neumann
<HR>
<A NAME="index"> </A>
<H2>Table Of Contents</H2>
<UL>
<LI><A HREF="#lbAB">NAME</A>
<LI><A HREF="#lbAC">SYNOPSIS</A>
<LI><A HREF="#lbAD">DESCRIPTION</A>
<LI><A HREF="#lbAE">SEE ALSO</A>
<LI><A HREF="#lbAF">AUTHOR</A>
</UL>
</BODY>
</HTML>
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