Initial import

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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
+<HTML><HEAD><TITLE>Manpage of TIFF2BW</TITLE>
+</HEAD><BODY BGCOLOR=WHITE><FONT FACE="helvetica, sans, arial">
+<H1>TIFF2BW</H1>
+Section: User Commands  (1)<BR>Updated: October 15, 1995<BR><A HREF="#index">Index</A>
+<BR><A HREF="index.html">Return to Main Contents</A>
+<HR>
+
+<A NAME="lbAB">&nbsp;</A>
+<H2>NAME</H2>
+
+tiff2bw - convert a color
+<FONT SIZE="-1">TIFF</FONT>
+image to greyscale
+<A NAME="lbAC">&nbsp;</A>
+<H2>SYNOPSIS</H2>
+
+<B>tiff2bw</B>
+
+[
+options
+]
+<I>input.tif</I>
+
+<I>output.tif</I>
+
+<A NAME="lbAD">&nbsp;</A>
+<H2>DESCRIPTION</H2>
+
+<I>Tiff2bw</I>
+
+converts an
+<FONT SIZE="-1">RGB</FONT>
+or Palette color
+<FONT SIZE="-1">TIFF</FONT>
+image to a greyscale image by
+combining percentages of the red, green, and blue channels.
+By default, output samples are created by taking
+28% of the red channel, 59% of the green channel, and 11% of
+the blue channel.
+To alter these percentages, the
+<B>-R</B>,
+
+<B>-G</B>,
+
+and
+<B>-B</B>
+
+options may be used.
+<A NAME="lbAE">&nbsp;</A>
+<H2>OPTIONS</H2>
+
+<DL COMPACT>
+<DT><B>-c</B>
+
+<DD>
+Specify a compression scheme to use when writing image data:
+<B>-c none</B>
+
+for no compression,
+<B>-c packbits</B>
+
+for the PackBits compression algorithm,
+<B>-c zip</B>
+
+for the Deflate compression algorithm,
+<B>-c g3</B>
+
+for the CCITT Group 3 compression algorithm,
+<B>-c g4</B>
+
+for the CCITT Group 4 compression algorithm,
+and
+<B>-c lzw</B>
+
+for Lempel-Ziv &amp; Welch (the default).
+<DT><B>-r</B>
+
+<DD>
+Write data with a specified number of rows per strip;
+by default the number of rows/strip is selected so that each strip
+is approximately 8 kilobytes.
+<DT><B>-R</B>
+
+<DD>
+Specify the percentage of the red channel to use (default 28).
+<DT><B>-G</B>
+
+<DD>
+Specify the percentage of the green channel to use (default 59).
+<DT><B>-B</B>
+
+<DD>
+Specify the percentage of the blue channel to use (default 11).
+</DL>
+<A NAME="lbAF">&nbsp;</A>
+<H2>SEE ALSO</H2>
+
+<I><A HREF="pal2rgb+1.html">pal2rgb</A></I>(1),
+
+<I><A HREF="tiffinfo+1.html">tiffinfo</A></I>(1),
+
+<I><A HREF="tiffcp+1.html">tiffcp</A></I>(1),
+
+<I><A HREF="tiffmedian+1.html">tiffmedian</A></I>(1),
+
+<I><A HREF="libtiff+3">libtiff</A></I>(3)
+
+
+<HR>
+<A NAME="index">&nbsp;</A><H2>Index</H2>
+<DL>
+<DT><A HREF="#lbAB">NAME</A><DD>
+<DT><A HREF="#lbAC">SYNOPSIS</A><DD>
+<DT><A HREF="#lbAD">DESCRIPTION</A><DD>
+<DT><A HREF="#lbAE">OPTIONS</A><DD>
+<DT><A HREF="#lbAF">SEE ALSO</A><DD>
+</DL>
+<HR>
+This document was created by
+<A HREF="index.html">man2html</A>,
+using the manual pages.<BR>
+Time: 01:31:47 GMT, November 23, 1999
+</BODY>
+</HTML>