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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2//EN">
<HTML><HEAD><TITLE>Tgatoppm User Manual</TITLE></HEAD>
<BODY>
<H1>tgatoppm</H1>
Updated: 02 April 2000
<BR>
<A HREF="#index">Table Of Contents</A>
<A NAME="lbAB"> </A>
<H2>NAME</H2>
tgatoppm - convert TrueVision Targa file to a PPM image
<A NAME="lbAC"> </A>
<H2>SYNOPSIS</H2>
<B>tgatoppm</B>
[<B>--alphaout=</B>{<I>alpha-filename</I>,<B>-</B>}]
[<B>--headerdump</B>] <I>tga-filename</I>
<A NAME="lbAD"> </A>
<H2>DESCRIPTION</H2>
<p>This program is part of <a href="index.html">Netpbm</a>.
<p><b>tgatoppm</b> reads a TrueVision Targa file as input and produces
a PPM image as output.
<A NAME="lbAE"> </A>
<H2>OPTIONS</H2>
<P>All options can be abbreviated to their shortest unique prefix.
<DL COMPACT>
<DT><B>--alphaout=</B><I>alpha-filename</I>
<DD><B>tgatoppm </B> creates a PGM image containing the transparency channel
values in the input image. If the input image doesn't contain a
transparency channel, the <I>alpha-filename</I> file contains all zero
(transparent) transparency values. If you don't specify <B>--alphaout</B>,
<B>tgatoppm</B> does not generate an alpha file, and if the input
image has a transparency channel, <B>tgatoppm</B> simply discards it.
<P>If you specify <B>-</B> as the filename, <B>tgatoppm</B> writes the
transparency output to Standard Output and discards the image.
<P>See <B><A HREF="pamcomp.html">pamcomp</A></B> for one way to use
the transparency output file.
<DT><B>--headerdump</B>
<DD>Causes <b>tgatoppm</b> to dump information from the TGA header to
Standard Error.
</DL>
<A NAME="lbAF"> </A>
<H2>SEE ALSO</H2>
<B><A HREF="ppmtotga.html">ppmtotga</A></B>,
<B><A HREF="pamcomp.html">pamcomp</A></B>,
<B><A HREF="ppm.html">ppm</A></B>
<A NAME="lbAG"> </A>
<H2>AUTHOR</H2>
<p>Partially based on tga2rast, version 1.0, by Ian J. MacPhedran.
<P>Copyright (C) 1989 by Jef Poskanzer.
<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">OPTIONS</A>
<LI><A HREF="#lbAF">SEE ALSO</A>
<LI><A HREF="#lbAG">AUTHOR</A>
</UL>
</BODY>
</HTML>
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