10139N/A<!DOCTYPE REFENTRY PUBLIC "-//Sun Microsystems//DTD DocBook V3.0-Based SolBook Subset V2.0//EN" [

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10139N/A<!ENTITY cmd "tiff2bw">

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10139N/A<!ENTITY suncopy "Copyright (c) 2004, Sun Microsystems, Inc. All Rights Reserved.">

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10139N/A<?Pub UDT _bookmark _target>

10139N/A<?Pub Inc>

10139N/A<refentry id="tiff2bw-1">

10139N/A<refmeta><refentrytitle>tiff2bw</refentrytitle><manvolnum>1</manvolnum>

10139N/A<refmiscinfo class="date">26 Mar 2004</refmiscinfo>

10139N/A<refmiscinfo class="sectdesc">&man1;</refmiscinfo>

10139N/A<refmiscinfo class="software">&release;</refmiscinfo>

10139N/A<refmiscinfo class="arch">generic</refmiscinfo>

10139N/A<refmiscinfo class="copyright">&suncopy;</refmiscinfo>

10139N/A</refmeta>

10139N/A<indexterm><primary>tiff2bw</primary></indexterm><indexterm><primary>convert

10139N/Aa color TIFF image to grayscale</primary></indexterm>

10139N/A<refnamediv id="tiff2bw-1-name"><refname>tiff2bw</refname><refpurpose>convert

10139N/Aa color TIFF image to grayscale</refpurpose></refnamediv>

10139N/A<refsynopsisdiv id="tiff2bw-1-synp"><title>&synp-tt;</title>

10139N/A<cmdsynopsis><command>&cmd;</command><arg choice="opt"><option role="nodash"><replaceable>

10139N/Aoptions</replaceable></option></arg><arg choice="plain"><option role="nodash"><replaceable>

10139N/Ainput.tif</replaceable></option></arg><arg choice="plain"><option role="nodash"><replaceable>

10139N/Aoutput.tif</replaceable></option></arg>

10139N/A</cmdsynopsis></refsynopsisdiv>

10139N/A<refsect1 id="tiff2bw-1-desc"><title>&desc-tt;</title>

10139N/A<para><command>&cmd;</command> converts an RGB or palette color TIFF image

10139N/Ato a grayscale image by combining percentages of the red, green, and blue

10139N/Achannels. By default, output samples are created by taking 28% of the red

10139N/Achannel, 59% of the green channel, and 11% of the blue channel. To alter these

10139N/Apercentages, use the <option>R</option>. <option>G</option>, and <option>

10139N/AB</option> options.</para>

10139N/A</refsect1>

10139N/A<refsect1 id="tiff2bw-1-opts"><title>&opts-tt;</title>

10139N/A<para>The following options are supported:</para>

10139N/A<variablelist termlength="narrow">

10139N/A<varlistentry><term><option>B</option></term><listitem><para>Specify the percentage

10139N/Aof the blue channel to use. The default value is 11.</para>

10139N/A</listitem></varlistentry>

10139N/A<varlistentry><term><option>c</option></term><listitem><para>Specify a compression

10139N/Ascheme to use when writing image data:</para>

10139N/A<variablelist>

10139N/A<varlistentry><term><option>c g3</option></term><listitem><para>CCITT Group

10139N/A3 compression algorithm.</para>

10139N/A</listitem></varlistentry>

10139N/A<varlistentry><term><option>c g4</option></term><listitem><para>CCITT Group

10139N/A4 compression algorithm.</para>

10139N/A</listitem></varlistentry>

10139N/A<varlistentry><term><option>c lzw</option></term><listitem><para>Lempel-Ziv

10139N/Aand Welch algorithm. This is the default algorithm.</para>

10139N/A</listitem></varlistentry>

10139N/A<varlistentry><term><option>c none</option></term><listitem><para>No compression.

10139N/A</para>

10139N/A</listitem></varlistentry>

10139N/A<varlistentry><term><option>c packbits</option></term><listitem><para>PackBits

10139N/Acompression algorithm.</para>

10139N/A</listitem></varlistentry>

10139N/A<varlistentry><term><option>c zip</option></term><listitem><para>Deflate compression

10139N/Aalgorithm.</para>

10139N/A</listitem></varlistentry>

10139N/A</variablelist></listitem></varlistentry>

10139N/A<varlistentry><term><option>G</option></term><listitem><para>Specify the percentage

10139N/Aof the green channel to use. The default value is 59.</para>

10139N/A</listitem></varlistentry>

10139N/A<varlistentry><term><option>R</option></term><listitem><para>Specify the percentage

10139N/Aof the red channel to use. The default value is 28.</para>

10139N/A</listitem></varlistentry>

10139N/A<varlistentry><term><option>r</option></term><listitem><para>Write data with

10139N/Aa specified number of rows per strip. By default, the number of rows per strip

10139N/Ais selected so that each strip is approximately 8 kilobytes.</para>

10139N/A</listitem></varlistentry>

10139N/A</variablelist>

10139N/A<variablelist termlength="narrow"></variablelist></refsect1>

10139N/A<refsect1 id="tiff2bw-1-oper"><title>&oper-tt;</title>

10139N/A<para>The following operands are supported:</para>

10139N/A<variablelist termlength="narrow">

10139N/A<varlistentry><term><option role="nodash"><replaceable>input.tif</replaceable></option></term>

10139N/A<listitem><para>The name of the input TIFF file.</para>

10139N/A</listitem></varlistentry>

10139N/A<varlistentry><term><option role="nodash"><replaceable>output.tif</replaceable></option></term>

10139N/A<listitem><para>The name of the output file.</para>

10139N/A</listitem></varlistentry>

10139N/A</variablelist></refsect1>

10139N/A<refsect1 id="tiff2bw-1-attr"><title>&attr-tt;</title>

10139N/A<para>See <olink targetdocent="REFMAN5" localinfo="attributes-5"><citerefentry>

10139N/A<refentrytitle>attributes</refentrytitle><manvolnum>5</manvolnum></citerefentry></olink>

10139N/Afor descriptions of the following attributes:</para>

10139N/A<informaltable frame="all">

10139N/A<tgroup cols="2" colsep="1" rowsep="1"><colspec colname="COLSPEC0" colwidth="1*">

10139N/A<colspec colname="COLSPEC1" colwidth="1*">

10139N/A<thead>

10139N/A<row><entry align="center" valign="middle">ATTRIBUTE TYPE</entry><entry align="center"

10139N/Avalign="middle">ATTRIBUTE VALUE</entry></row>

10139N/A</thead>

10139N/A<tbody>

10139N/A<row><entry><para>Availability</para></entry><entry><para>SUNWTiff</para></entry>

10139N/A</row>

10139N/A<row><entry colname="COLSPEC0"><para>Interface stability</para></entry><entry

10139N/Acolname="COLSPEC1"><para>Evolving</para></entry></row>

10139N/A</tbody>

10139N/A</tgroup>

10139N/A</informaltable>

10139N/A</refsect1>

10139N/A<refsect1 id="tiff2bw-1-also"><title>&also-tt;</title>

10139N/A<para><citerefentry><refentrytitle>pal2rgb</refentrytitle><manvolnum>1</manvolnum>

10139N/A</citerefentry>, <citerefentry><refentrytitle>tiffinfo</refentrytitle><manvolnum>

10139N/A1</manvolnum></citerefentry>, <citerefentry><refentrytitle>tiffcp</refentrytitle>

10139N/A<manvolnum>1</manvolnum></citerefentry>, <citerefentry><refentrytitle>tiffmedian

10139N/A</refentrytitle><manvolnum>1</manvolnum></citerefentry>, <citerefentry><refentrytitle>

10139N/Alibtiff</refentrytitle><manvolnum>3</manvolnum></citerefentry></para>

10139N/A</refsect1>

10139N/A<refsect1 id="tiff2bw-1-note"><title>&note-tt;</title>

10139N/A<para><?Pub Caret1>Updated by Breda McColgan, Sun Microsystems Inc., 2004.</para>

10139N/A</refsect1>

10139N/A</refentry>

10139N/A<?Pub *0000006145>