75 lines
1.7 KiB
HTML
75 lines
1.7 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 ppmdim</TITLE>
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</HEAD><BODY>
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<H1>ppmdim</H1>
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Section: User Commands (1)<BR>Updated: 16 November 1993<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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ppmdim - dim a portable pixmap down to total blackness
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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ppmdim
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<I>dimfactor</I>
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[<I>ppmfile</I>]
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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Reads a portable pixmap as input. Diminishes its brightness by
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the specified dimfactor down to total blackness.
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The dimfactor may be in the range from 0.0 (total blackness,
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deep night, nada, null, nothing) to 1.0 (original picture's
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brightness).
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<P>
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As
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<I>pnmgamma </I>
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does not do the brightness correction in the way I
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wanted it, this small program was written.
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<P>
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ppmdim is similar to
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<I>ppmbrighten</I>
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, but not exactly the same.
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<A NAME="lbAE"> </A>
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<H2>SEE ALSO</H2>
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<A HREF="/cgi-bin/man/man2html?5+ppm">ppm</A>(5), <A HREF="/cgi-bin/man/man2html?1+ppmflash">ppmflash</A>(1), <A HREF="/cgi-bin/man/man2html?1+pnmgamma">pnmgamma</A>(1), <A HREF="/cgi-bin/man/man2html?1+ppmbrighten">ppmbrighten</A>(1)
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<A NAME="lbAF"> </A>
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<H2>AUTHOR</H2>
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Copyright (C) 1993 by Frank Neumann
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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="1"><A HREF="#lbAB">NAME</A><DD>
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<DT id="2"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="3"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="4"><A HREF="#lbAE">SEE ALSO</A><DD>
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<DT id="5"><A HREF="#lbAF">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: 00:05:24 GMT, March 31, 2021
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</BODY>
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</HTML>
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