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-<!-- Creator : groff version 1.18.1 -->
-<!-- CreationDate: Fri Jul 13 17:43:18 2007 -->
-<html>
-<head>
-<meta name="generator" content="groff -Thtml, see www.gnu.org">
-<meta name="Content-Style" content="text/css">
-<title>FAX2TIFF</title>
-</head>
-<body>
-
-<h1 align=center>FAX2TIFF</h1>
-<a href="#NAME">NAME</a><br>
-<a href="#SYNOPSIS">SYNOPSIS</a><br>
-<a href="#DESCRIPTION">DESCRIPTION</a><br>
-<a href="#OPTIONS">OPTIONS</a><br>
-<a href="#DIAGNOSTICS">DIAGNOSTICS</a><br>
-<a href="#BUGS">BUGS</a><br>
-<a href="#SEE ALSO">SEE ALSO</a><br>
-
-<hr>
-<a name="NAME"></a>
-<h2>NAME</h2>
-<!-- INDENTATION -->
-<table width="100%" border=0 rules="none" frame="void"
- cols="2" cellspacing="0" cellpadding="0">
-<tr valign="top" align="left">
-<td width="8%"></td>
-<td width="91%">
-<p>fax2tiff &minus; create a <small>TIFF</small> Class F fax
-file from raw fax data</p>
-</td>
-</table>
-<a name="SYNOPSIS"></a>
-<h2>SYNOPSIS</h2>
-<!-- INDENTATION -->
-<table width="100%" border=0 rules="none" frame="void"
- cols="2" cellspacing="0" cellpadding="0">
-<tr valign="top" align="left">
-<td width="8%"></td>
-<td width="91%">
-<p><b>fax2tiff</b> [ <i>options</i> ] [ <b>&minus;o</b>
-<i>output.tif</i> ] <i>input.raw</i></p>
-</td>
-</table>
-<a name="DESCRIPTION"></a>
-<h2>DESCRIPTION</h2>
-<!-- INDENTATION -->
-<table width="100%" border=0 rules="none" frame="void"
- cols="2" cellspacing="0" cellpadding="0">
-<tr valign="top" align="left">
-<td width="8%"></td>
-<td width="91%">
-<p><i>Fax2tiff</i> creates a <small>TIFF</small> file
-containing <small>CCITT</small> Group 3 or Group 4 encoded
-data from one or more files containing
-&lsquo;&lsquo;raw&rsquo;&rsquo; Group 3 or Group 4 encoded
-data (typically obtained directly from a fax modem). By
-default, each row of data in the resultant
-<small>TIFF</small> file is 1-dimensionally encoded and
-padded or truncated to 1728 pixels, as needed. The resultant
-image is a set of low resolution (98 lines/inch) or medium
-resolution (196 lines/inch) pages, each of which is a single
-strip of data. The generated file conforms to the
-<small>TIFF</small> Class F ( <small>FAX</small> )
-specification for storing facsimile data. This means, in
-particular, that each page of the data does <b>not</b>
-include the trailing <i>return to control</i> (
-<small>RTC</small> ) code; as required for transmission by
-the <small>CCITT</small> Group 3 specifications. The old,
-&lsquo;&lsquo;classic&rsquo;&rsquo;, format is created if
-the <b>&minus;c</b> option is used. (The Class F format can
-also be requested with the <b>&minus;f</b> option.)</p>
-<!-- INDENTATION -->
-<p>The default name of the output image is <i>fax.tif</i>;
-this can be changed with the <b>&minus;o</b> option. Each
-input file is assumed to be a separate page of facsimile
-data from the same document. The order in which input files
-are specified on the command line is the order in which the
-resultant pages appear in the output file.</p>
-</td>
-</table>
-<a name="OPTIONS"></a>
-<h2>OPTIONS</h2>
-<!-- INDENTATION -->
-<table width="100%" border=0 rules="none" frame="void"
- cols="2" cellspacing="0" cellpadding="0">
-<tr valign="top" align="left">
-<td width="8%"></td>
-<td width="91%">
-<p>Options that affect the interpretation of input data
-are:</p>
-</td>
-</table>
-<!-- TABS -->
-<table width="100%" border=0 rules="none" frame="void"
- cols="5" cellspacing="0" cellpadding="0">
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;3</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Assume input data is <small>CCITT</small> Group 3
-encoded (default).</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;4</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Assume input data is <small>CCITT</small> Group 4
-encoded.</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;U</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Assume input data is uncompressed (Group 3 or Group
-4).</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;1</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Assume input data is encoded with the 1-dimensional
-version of the <small>CCITT</small> Group 3 Huffman encoding
-algorithm (default).</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;2</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Assume input data is 2-dimensional version of the
-<small>CCITT</small> Group 3 Huffman encoding algorithm.</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;P</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Assume input data is <b>not</b> EOL-aligned (default).
-This option has effect with Group 3 encoded input only.</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;A</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Assume input data is EOL-aligned. This option has effect
-with Group 3 encoded input only.</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;M</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Treat input data as having bits filled from most
-significant bit ( <small>MSB</small> ) to most least bit (
-<small>LSB</small> ).</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;L</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Treat input data as having bits filled from least
-significant bit ( <small>LSB</small> ) to most significant
-bit ( <small>MSB</small> ) (default).</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;B</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Assume input data was encoded with black as 0 and white
-as 1.</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;W</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Assume input data was encoded with black as 1 and white
-as 0 (default).</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;R</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Specify the vertical resolution, in lines/inch, of the
-input images. By default input are assumed to have a
-vertical resolution of 196 lines/inch. If images are low
-resolution facsimile, a value of 98 lines/inch should be
-specified.</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;X</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Specify the width, in pixels, of the input images. By
-default input are assumed to have a width of 1728
-pixels.</p>
-</td>
-<td width="0%">
-</td>
-</table>
-<!-- INDENTATION -->
-<table width="100%" border=0 rules="none" frame="void"
- cols="2" cellspacing="0" cellpadding="0">
-<tr valign="top" align="left">
-<td width="8%"></td>
-<td width="91%">
-<p>Options that affect the output file format are:</p>
-</td>
-</table>
-<!-- TABS -->
-<table width="100%" border=0 rules="none" frame="void"
- cols="5" cellspacing="0" cellpadding="0">
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;o</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Specify the name of the output file.</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;7</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Force output to be compressed with the
-<small>CCITT</small> Group 3 Huffman encoding algorithm
-(default).</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;8</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Force output to be compressed with the
-<small>CCITT</small> Group 4 Huffman encoding.</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;u</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Force output to be uncompressed (Group 3 or Group
-4).</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;5</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Force output to be encoded with the 1-dimensional
-version of the <small>CCITT</small> Group 3 Huffman encoding
-algorithm.</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;6</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Force output to be encoded with the 2-dimensional
-version of the <small>CCITT</small> Group 3 Huffman encoding
-algorithm (default).</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;a</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Force the last bit of each <i>End Of Line</i> (
-<small>EOL</small> ) code to land on a byte boundary
-(default). This &lsquo;&lsquo;zero padding&rsquo;&rsquo;
-will be reflected in the contents of the
-<i>Group3Options</i> tag of the resultant
-<small>TIFF</small> file. This option has effect with Group
-3 encoded output only.</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;p</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Do not EOL-align output. This option has effect with
-Group 3 encoded output only.</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;c</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Generate &quot;classic&quot; Group 3 TIFF format.</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;f</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Generate TIFF Class F (TIFF/F) format (default).</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;m</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Force output data to have bits filled from most
-significant bit ( <small>MSB</small> ) to most least bit (
-<small>LSB</small> ).</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;l</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Force output data to have bits filled from least
-significant bit ( <small>LSB</small> ) to most significant
-bit ( <small>MSB</small> ) (default).</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;r</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Specify the number of rows (scanlines) in each strip of
-data written to the output file. By default (or when value
-<b>0</b> is specified), <i>tiffcp</i> attempts to set the
-rows/strip that no more than 8 kilobytes of data appear in a
-strip (with except of G3/G4 compression schemes). If you
-specify special value <b>&minus;1</b> it will results in
-infinite number of the rows per strip. The entire image will
-be the one strip in that case. This is default in case of
-G3/G4 output compression schemes.</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;s</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Stretch the input image vertically by writing each input
-row of data twice to the output file.</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;v</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Force <i>fax2tiff</i> to print the number of rows of
-data it retrieved from the input file.</p>
-</td>
-<td width="0%">
-</td>
-<tr valign="top" align="left">
-<td width="10%"></td>
-<td width="3%">
-
-<p><b>&minus;z</b></p>
-</td>
-<td width="5%"></td>
-<td width="80%">
-
-<p>Force output to be compressed with the LZW encoding.</p>
-</td>
-<td width="0%">
-</td>
-</table>
-<a name="DIAGNOSTICS"></a>
-<h2>DIAGNOSTICS</h2>
-<!-- INDENTATION -->
-<table width="100%" border=0 rules="none" frame="void"
- cols="2" cellspacing="0" cellpadding="0">
-<tr valign="top" align="left">
-<td width="8%"></td>
-<td width="91%">
-<p>The following warnings and errors come from the decoding
-routines in the library.</p>
-<!-- INDENTATION -->
-<p><b>Warning, %s: Premature EOL at scanline %d (x
-%d).\n</b>. The input data had a row that was shorter than
-the expected width. The row is padded with white.</p>
-<!-- INDENTATION -->
-<p><b>%s: Premature EOF at scanline %d (x %d).\n</b>. The
-decoder ran out of data in the middle of a scanline. The
-resultant row is padded with white.</p>
-<!-- INDENTATION -->
-<p><b>%s: Bad code word at row %d, x %d\n</b>. An invalid
-Group 3 <i>code</i> was encountered while decoding the input
-file. The row number and horizontal position is given. The
-remainder of the input row is discarded, while the
-corresponding output row is padded with white.</p>
-<!-- INDENTATION -->
-<p><b>%s: Bad 2D code word at scanline %d.\n</b>. An invalid
-Group 4 or 2D Group 3 <i>code</i> was encountered while
-decoding the input file. The row number and horizontal
-position is given. The remainder of the input row is
-discarded, while the corresponding output row is padded with
-white.</p>
-</td>
-</table>
-<a name="BUGS"></a>
-<h2>BUGS</h2>
-<!-- INDENTATION -->
-<table width="100%" border=0 rules="none" frame="void"
- cols="2" cellspacing="0" cellpadding="0">
-<tr valign="top" align="left">
-<td width="8%"></td>
-<td width="91%">
-<p>Input data are assumed to have a a &lsquo;&lsquo;top
-left&rsquo;&rsquo; orientation; it should be possible to
-override this assumption from the command line.</p>
-</td>
-</table>
-<a name="SEE ALSO"></a>
-<h2>SEE ALSO</h2>
-<!-- INDENTATION -->
-<table width="100%" border=0 rules="none" frame="void"
- cols="2" cellspacing="0" cellpadding="0">
-<tr valign="top" align="left">
-<td width="8%"></td>
-<td width="91%">
-<p><b><small>CCITT</small> Recommendation T.4</b>
-(Standardization of Group 3 Facsimile Apparatus for Document
-Transmission).</p>
-<!-- INDENTATION -->
-<p><b>The Spirit of TIFF Class F</b>, an appendix to the
-TIFF 5.0 specification prepared by Cygnet Technologies.</p>
-<!-- INDENTATION -->
-<p><b>tiffinfo</b>(1), <b>tiffdither</b>(1),
-<b>tiffgt</b>(1), <b>libtiff</b>(3)</p>
-<!-- INDENTATION -->
-<p>Libtiff library home page:
-<b>http://www.remotesensing.org/libtiff/</b></p>
-</td>
-</table>
-<hr>
-</body>
-</html>