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1<!-- Creator : groff version 1.18.1 -->
2<!-- CreationDate: Mon Mar 13 18:03:11 2006 -->
3<html>
4<head>
5<meta name="generator" content="groff -Thtml, see www.gnu.org">
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7<title>FAX2PS</title>
8</head>
9<body>
10
11<h1 align=center>FAX2PS</h1>
12<a href="#NAME">NAME</a><br>
13<a href="#SYNOPSIS">SYNOPSIS</a><br>
14<a href="#DESCRIPTION">DESCRIPTION</a><br>
15<a href="#OPTIONS">OPTIONS</a><br>
16<a href="#DIAGNOSTICS">DIAGNOSTICS</a><br>
17<a href="#NOTES">NOTES</a><br>
18<a href="#BUGS">BUGS</a><br>
19<a href="#SEE ALSO">SEE ALSO</a><br>
20
21<hr>
22<a name="NAME"></a>
23<h2>NAME</h2>
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30<p>fax2ps &minus; convert a <small>TIFF</small> facsimile to
31compressed &trade;</p>
32</td>
33</table>
34<a name="SYNOPSIS"></a>
35<h2>SYNOPSIS</h2>
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42<p><b>fax2ps</b> [ <i>options</i> ] [ <i>file</i>... ]</p>
43</td>
44</table>
45<a name="DESCRIPTION"></a>
46<h2>DESCRIPTION</h2>
47<!-- INDENTATION -->
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53<p><i>fax2ps</i> reads one or more <small>TIFF</small>
54facsimile image files and prints a compressed form of on the
55standard output that is suitable for printing.</p>
56<!-- INDENTATION -->
57<p>By default, each page is scaled to reflect the image
58dimensions and resolutions stored in the file. The
59<b>&minus;x</b> and <b>&minus;y</b> options can be used to
60specify the horizontal and vertical image resolutions
61(lines/inch), respectively. If the <b>&minus;S</b> option is
62specified, each page is scaled to fill an output page. The
63default output page is 8.5 by 11 inches. Alternate page
64dimensions can be specified in inches with the
65<b>&minus;W</b> and <b>&minus;H</b> options.</p>
66<!-- INDENTATION -->
67<p>By default <i>fax2ps</i> generates for all pages in the
68file. The <b>&minus;p</b> option can be used to select one
69or more pages from a multi-page document.</p>
70<!-- INDENTATION -->
71<p><i>fax2ps</i> generates a compressed form of that is
72optimized for sending pages of text to a printer attached to
73a host through a low-speed link (such as a serial line).
74Each output page is filled with white and then only the
75black areas are drawn. The specification of the black
76drawing operations is optimized by using a special font that
77encodes the move-draw operations required to fill the black
78regions on the page. This compression scheme typically
79results in a substantially reduced description, relative to
80the straightforward imaging of the page with a <i>image</i>
81operator. This algorithm can, however, be ineffective for
82continuous-tone and white-on-black images. For these images,
83it sometimes is more efficient to send the raster bitmap
84image directly; see <i>tiff2ps</i>(1).</p>
85</td>
86</table>
87<a name="OPTIONS"></a>
88<h2>OPTIONS</h2>
89<!-- TABS -->
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93<td width="10%"></td>
94<td width="11%">
95
96<p><b>&minus;p</b> <i>number</i></p>
97</td>
98<td width="1%"></td>
99<td width="76%">
100
101<p>Print only the indicated page. Multiple pages may be
102printed by specifying this option more than once.</p>
103</td>
104<td width="0%">
105</td>
106</table>
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111<td width="8%"></td>
112<td width="91%">
113<p><b>&minus;x</b> <i>resolution</i></p></td>
114</table>
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119<td width="23%"></td>
120<td width="76%">
121<p>Use <i>resolution</i> as the horizontal resolution, in
122dots/inch, of the image data. By default this value is taken
123from the file.</p>
124</td>
125</table>
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131<td width="91%">
132<p><b>&minus;y</b> <i>resolution</i></p></td>
133</table>
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136 cols="2" cellspacing="0" cellpadding="0">
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138<td width="23%"></td>
139<td width="76%">
140<p>Use <i>resolution</i> as the vertical resolution, in
141lines/inch, of the image data. By default this value is
142taken from the file.</p>
143</td>
144</table>
145<!-- TABS -->
146<table width="100%" border=0 rules="none" frame="void"
147 cols="5" cellspacing="0" cellpadding="0">
148<tr valign="top" align="left">
149<td width="10%"></td>
150<td width="11%">
151
152<p><b>&minus;S</b></p>
153</td>
154<td width="1%"></td>
155<td width="76%">
156
157<p>Scale each page of image data to fill the output page
158dimensions. By default images are presented according to the
159dimension information recorded in the <small>TIFF</small>
160file.</p>
161</td>
162<td width="0%">
163</td>
164<tr valign="top" align="left">
165<td width="10%"></td>
166<td width="11%">
167
168<p><b>&minus;W</b> <i>width</i></p>
169</td>
170<td width="1%"></td>
171<td width="76%">
172
173<p>Use <i>width</i> as the width, in inches, of the output
174page.</p>
175</td>
176<td width="0%">
177</td>
178<tr valign="top" align="left">
179<td width="10%"></td>
180<td width="11%">
181
182<p><b>&minus;H</b> <i>height</i></p>
183</td>
184<td width="1%"></td>
185<td width="76%">
186
187<p>Use <i>height</i> as the height, in inches, of the
188output page.</p>
189</td>
190<td width="0%">
191</td>
192</table>
193<a name="DIAGNOSTICS"></a>
194<h2>DIAGNOSTICS</h2>
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201<p>Some messages about malformed <small>TIFF</small> images
202come from the <small>TIFF</small> library.</p>
203<!-- INDENTATION -->
204<p>Various messages about badly formatted facsimile images
205may be generated due to transmission errors in received
206facsimile. <i>fax2ps</i> attempts to recover from such data
207errors by resynchronizing decoding at the end of the current
208scanline. This can result in long horizontal black lines in
209the resultant image.</p>
210</td>
211</table>
212<a name="NOTES"></a>
213<h2>NOTES</h2>
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220<p>If the destination printer supports Level II then it is
221always faster to just send the encoded bitmap generated by
222the <b>tiff2ps</b>(1) program.</p>
223</td>
224</table>
225<a name="BUGS"></a>
226<h2>BUGS</h2>
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233<p><i>fax2ps</i> should probably figure out when it is doing
234a poor job of compressing the output and just generate to
235image the bitmap raster instead.</p>
236</td>
237</table>
238<a name="SEE ALSO"></a>
239<h2>SEE ALSO</h2>
240<!-- INDENTATION -->
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246<p><b>tiff2ps</b>(1), <b>libtiff</b>(3)</p>
247<!-- INDENTATION -->
248<p>Libtiff library home page:
249<b>http://www.remotesensing.org/libtiff/</b></p>
250</td>
251</table>
252<hr>
253</body>
254</html>