three PGMs

<DT><B><a href="pgmenhance.html">pgmenhance</a>    </B>
<DD>edge-enhance a PGM image

<DT><B><a href="pbmlife.html">pbmlife</a>       </B>
<DD>apply Conway's rules of Life to a PBM image

<DT><B><a href="ppmdist.html">ppmdist</a>       </B>
<DD>map colors to high contrast grayscales arbitrarily

<DT><B><a href="ppmntsc.html">ppmntsc</a>       </B>
<DD>adjust colors so they are legal for NTSC or PAL television

</DL>


<A NAME="lbAL">&nbsp;</A>
<H2>Image Analyzers</H2>

<P>
These all work on the 