113 lines
2.4 KiB
HTML
113 lines
2.4 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of g3topbm</TITLE>
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</HEAD><BODY>
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<H1>g3topbm</H1>
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Section: User Commands (1)<BR>Updated: 02 October 1989<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="ixAAB"></A>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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g3topbm - convert a Group 3 fax file into a portable bitmap
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<B>g3topbm</B>
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[<B>-kludge</B>]
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[<B>-reversebits</B>]
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[<B>-stretch</B>]
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[<I>g3file</I>]
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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Reads a Group 3 fax file as input.
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<A NAME="ixAAC"></A>
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<A NAME="ixAAD"></A>
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Produces a portable bitmap as output.
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<A NAME="lbAE"> </A>
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<H2>OPTIONS</H2>
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<DL COMPACT>
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<DT id="1"><B>-kludge</B>
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<DD>
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Tells
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<I>g3topbm</I>
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to ignore the first few lines of the file;
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sometimes fax files have some junk at the beginning.
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<DT id="2"><B>-reversebits</B>
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<DD>
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Tells
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<I>g3topbm</I>
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to interpret bits least-significant
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first, instead of the default most-significant first.
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Apparently some fax modems do it one way and others do it the other way.
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If you get a whole bunch of "bad code word" messages, try using this
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flag.
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<DT id="3"><B>-stretch</B>
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<DD>
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Tells
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<I>g3topbm</I>
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to stretch the image vertically by
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duplicating each row.
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This is for the low-quality transmission mode.
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</DL>
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<P>
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All flags can be abbreviated to their shortest unique prefix.
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<A NAME="lbAF"> </A>
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<H2>REFERENCES</H2>
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The standard for Group 3 fax is defined in CCITT Recommendation T.4.
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<A NAME="lbAG"> </A>
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<H2>BUGS</H2>
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Probably.
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<A NAME="lbAH"> </A>
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<H2>SEE ALSO</H2>
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<A HREF="/cgi-bin/man/man2html?1+pbmtog3">pbmtog3</A>(1), <A HREF="/cgi-bin/man/man2html?5+pbm">pbm</A>(5)
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<A NAME="lbAI"> </A>
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<H2>AUTHOR</H2>
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Copyright (C) 1989 by Paul Haeberli <<A HREF="mailto:paul@manray.sgi.com">paul@manray.sgi.com</A>>.
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<P>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="4"><A HREF="#lbAB">NAME</A><DD>
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<DT id="5"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="6"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="7"><A HREF="#lbAE">OPTIONS</A><DD>
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<DT id="8"><A HREF="#lbAF">REFERENCES</A><DD>
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<DT id="9"><A HREF="#lbAG">BUGS</A><DD>
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<DT id="10"><A HREF="#lbAH">SEE ALSO</A><DD>
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<DT id="11"><A HREF="#lbAI">AUTHOR</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:05:12 GMT, March 31, 2021
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</BODY>
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</HTML>
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