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Diffstat (limited to 'ppmpat.html')
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1 files changed, 28 insertions, 21 deletions
diff --git a/ppmpat.html b/ppmpat.html index d8a92a89..fb2ecba0 100644 --- a/ppmpat.html +++ b/ppmpat.html @@ -2,17 +2,15 @@ <HTML><HEAD><TITLE>Ppmpat User Manual</TITLE></HEAD> <BODY> <H1>ppmpat</H1> -Updated: 12 June 2004 +Updated: 24 November 2012 <BR> <A HREF="#index">Table Of Contents</A> -<A NAME="lbAB"> </A> <H2>NAME</H2> ppmpat - make a pretty PPM image -<A NAME="lbAC"> </A> -<H2>SYNOPSIS</H2> +<H2 id="synopsis">SYNOPSIS</H2> <B>ppmpat</B> {<B>-gingham2</B>|<B>-g2</B>} | @@ -23,13 +21,14 @@ ppmpat - make a pretty PPM image <B>-squig</B> | <B>-camo</B> | <B>-anticamo</B> +[<b>-randomseed=</b><i>integer</i>] + <I>width</I> <I>height</I> <P>You can abbreviate any option to its shortest unique prefix. -<A NAME="lbAD"> </A> -<H2>DESCRIPTION</H2> +<H2 id="description">DESCRIPTION</H2> <p>This program is part of <a href="index.html">Netpbm</a>. @@ -46,8 +45,7 @@ should generate a nice background. <p>Some of these patterns have large numbers of colors, so if you want a simpler pattern, use <b>pnmquant</b> on the output. -<A NAME="lbAE"> </A> -<H2>OPTIONS</H2> +<H2 id="options">OPTIONS</H2> <P>The options specify various pattern types: @@ -84,16 +82,27 @@ a simpler pattern, use <b>pnmquant</b> on the output. <DD>Anti-camouflage pattern - like -camo, but ultra-bright colors. +<dt><b>-randomseed=</b><i>integer</i> + +<dd>This is the seed for the random number generator that generates the +pixels. + +<p>Use this to ensure you get the same image on separate invocations. + +<p>By default, <b>ppmpat</b> uses a seed derived from the time of day +and process ID, which gives you fairly uncorrelated results in multiple +invocations. + +<p>This option was new in Netpbm 10.61 (December 2012). + </DL> -<A NAME="lbAF"> </A> -<H2>REFERENCES</H2> +<H2 id="references">REFERENCES</H2> Some of the patterns are from "Designer's Guide to Color 3" by Jeanne Allen. -<A NAME="lbAG"> </A> -<H2>SEE ALSO</H2> +<H2 id="seealso">SEE ALSO</H2> <A HREF="pnmtile.html">pnmtile</A>, <A HREF="pnmquant.html">pnmquant</A>, @@ -102,8 +111,7 @@ by Jeanne Allen. <A HREF="pamgradient.html">pamgradient</A>, <A HREF="ppm.html">ppm</A> -<A NAME="lbAH"> </A> -<H2>AUTHOR</H2> +<H2 id="author">AUTHOR</H2> Copyright (C) 1989 by Jef Poskanzer. @@ -111,13 +119,12 @@ Copyright (C) 1989 by Jef Poskanzer. <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">OPTIONS</A> -<LI><A HREF="#lbAF">REFERENCES</A> -<LI><A HREF="#lbAG">SEE ALSO</A> -<LI><A HREF="#lbAH">AUTHOR</A> +<LI><A HREF="#synopsis">SYNOPSIS</A> +<LI><A HREF="#description">DESCRIPTION</A> +<LI><A HREF="#options">OPTIONS</A> +<LI><A HREF="#references">REFERENCES</A> +<LI><A HREF="#seealso">SEE ALSO</A> +<LI><A HREF="#author">AUTHOR</A> </UL> </BODY> </HTML> |