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	7	<title>TIFFCROP</title>
	8	</head>
	9	<body>
	10
	11	<h1 align=center>TIFFCROP</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="#EXAMPLES">EXAMPLES</a><br>
	17	<a href="#SEE ALSO">SEE ALSO</a><br>
	18
	19	<hr>
	20	<a name="NAME"></a>
	21	<h2>NAME</h2>
	22	<!-- INDENTATION -->
	23	<table width="100%" border=0 rules="none" frame="void"
	24	cols="2" cellspacing="0" cellpadding="0">
	25	<tr valign="top" align="left">
	26	<td width="8%"></td>
	27	<td width="91%">
	28	<p>tiffcrop − copy (and possibly convert and crop or
	29	process) a <small>TIFF</small> file</p>
	30	</td>
	31	</table>
	32	<a name="SYNOPSIS"></a>
	33	<h2>SYNOPSIS</h2>
	34	<!-- INDENTATION -->
	35	<table width="100%" border=0 rules="none" frame="void"
	36	cols="2" cellspacing="0" cellpadding="0">
	37	<tr valign="top" align="left">
	38	<td width="8%"></td>
	39	<td width="91%">
	40	<p><b>tiffcrop</b> [ <i>options</i> ] <i>src1.tif ...
	41	srcN.tif dst.tif</i></p>
	42	</td>
	43	</table>
	44	<a name="DESCRIPTION"></a>
	45	<h2>DESCRIPTION</h2>
	46	<!-- INDENTATION -->
	47	<table width="100%" border=0 rules="none" frame="void"
	48	cols="2" cellspacing="0" cellpadding="0">
	49	<tr valign="top" align="left">
	50	<td width="8%"></td>
	51	<td width="91%">
	52	<p><i>tiffcrop</i> combines one or more files created
	53	according to the Tag Image File Format, Revision 6.0 into a
	54	single <small>TIFF</small> file. The output file may be
	55	compressed using a different algorithm than the input files.
	56	<i>tiffcrop</i> is most often used to extract portions of an
	57	image for processing with bar code recognizer or OCR
	58	software when that software cannot restrict the region of
	59	interest to a specific portion of the image or to improve
	60	efficiency when the regions of interest must be rotated.</p>
	61	<!-- INDENTATION -->
	62	<p>By default, <i>tiffcrop</i> will copy all the understood
	63	tags in a <small>TIFF</small> directory of an input file to
	64	the associated directory in the output file.</p>
65	<!-- INDENTATION -->
66	<p><i>tiffcrop</i> can be used to reorganize the storage
67	characteristics of data in a file, and it will alter or
68	convert the image data content as specified at the same
69	time, unlike tiffcp.</p>
70	<!-- INDENTATION -->
71	<p><i>tiffcrop</i> will behave exactly like tiffcp if none
72	of the new options are specified.</p>
73	</td>
74	</table>
75	<a name="OPTIONS"></a>
76	<h2>OPTIONS</h2>
77	<!-- INDENTATION -->
78	<table width="100%" border=0 rules="none" frame="void"
79	cols="2" cellspacing="0" cellpadding="0">
80	<tr valign="top" align="left">
81	<td width="8%"></td>
82	<td width="91%">
83	<p><b>−N odd\|even\|#,#-#,#\|last</b></p></td>
84	</table>
85	<!-- INDENTATION -->
86	<table width="100%" border=0 rules="none" frame="void"
87	cols="2" cellspacing="0" cellpadding="0">
88	<tr valign="top" align="left">
89	<td width="19%"></td>
90	<td width="80%">
91	<p>sequences and ranges of images within file to process.
92	The words <b>odd</b> or <b>even</b> may be used to specify
93	all odd or even numbered images. The word <b>last</b> may be
94	used in place of a number in the sequence to indicate the
95	final image in the file without knowing how many images
96	there are. Ranges of images may be specified with a dash and
97	multiple sets can be indicated by joining them in a
98	comma-separated list. e.g.. use <b>−N 1,5-7,last</b>
99	to process the 1st, 5th through 7th, and final image in the
100	file.</p>
101	</td>
102	</table>
103	<!-- INDENTATION -->
104	<table width="100%" border=0 rules="none" frame="void"
105	cols="2" cellspacing="0" cellpadding="0">
106	<tr valign="top" align="left">
107	<td width="8%"></td>
108	<td width="91%">
109	<p><b>−E top\|bottom\|left\|right</b></p></td>
110	</table>
111	<!-- INDENTATION -->
112	<table width="100%" border=0 rules="none" frame="void"
113	cols="2" cellspacing="0" cellpadding="0">
114	<tr valign="top" align="left">
115	<td width="19%"></td>
116	<td width="80%">
117	<p>use the top, bottom, left, or right edge as origin
118	reference for width and length of crop regions. May be
119	abbreviated to first letter.</p>
120	</td>
121	</table>
122	<!-- INDENTATION -->
123	<table width="100%" border=0 rules="none" frame="void"
124	cols="2" cellspacing="0" cellpadding="0">
125	<tr valign="top" align="left">
126	<td width="8%"></td>
127	<td width="91%">
128	<p><b>−U in\|cm\|px</b></p></td>
129	</table>
130	<!-- INDENTATION -->
131	<table width="100%" border=0 rules="none" frame="void"
132	cols="2" cellspacing="0" cellpadding="0">
133	<tr valign="top" align="left">
134	<td width="19%"></td>
135	<td width="80%">
136	<p>units to apply to dimensions for margins and crop
137	regions. Inches or centimeters are converted to pixels using
138	the resolution unit specified in the TIFF file (which
139	defaults to inches if not specified in the IFD).</p>
140	</td>
141	</table>
142	<!-- INDENTATION -->
143	<table width="100%" border=0 rules="none" frame="void"
144	cols="2" cellspacing="0" cellpadding="0">
145	<tr valign="top" align="left">
146	<td width="8%"></td>
147	<td width="91%">
148	<p><b>−m #,#,#,#</b></p></td>
149	</table>
150	<!-- INDENTATION -->
151	<table width="100%" border=0 rules="none" frame="void"
152	cols="2" cellspacing="0" cellpadding="0">
153	<tr valign="top" align="left">
154	<td width="19%"></td>
155	<td width="80%">
156	<p>margins to be removed from the image. The order must be
157	top, left, bottom, right with only commas separating the
158	elements of the list. Margins are scaled according to the
159	current units and removed before any other extractions are
160	computed. Capital M was in use.</p>
161	</td>
162	</table>
163	<!-- TABS -->
164	<table width="100%" border=0 rules="none" frame="void"
165	cols="5" cellspacing="0" cellpadding="0">
166	<tr valign="top" align="left">
167	<td width="10%"></td>
168	<td width="6%">
169
170	<p><b>−X #</b></p>
171	</td>
172	<td width="2%"></td>
173	<td width="80%">
174
175	<p>horizontal (X-axis) dimension of a region to extract
176	relative to the specified origin reference. If the origin is
177	the top or bottom edge, the X axis value will be assumed to
178	start at the left edge.</p>
179	</td>
180	<td width="0%">
181	</td>
182	<tr valign="top" align="left">
183	<td width="10%"></td>
184	<td width="6%">
185
186	<p><b>−Y #</b></p>
187	</td>
188	<td width="2%"></td>
189	<td width="80%">
190
191	<p>vertical (Y-axis) dimension of a region to extract
192	relative to the specified origin reference. If the origin is
193	the left or right edge, the Y axis value will be assumed to
194	start at the top.</p>
195	</td>
196	<td width="0%">
197	</td>
198	</table>
199	<!-- INDENTATION -->
200	<table width="100%" border=0 rules="none" frame="void"
201	cols="2" cellspacing="0" cellpadding="0">
202	<tr valign="top" align="left">
203	<td width="8%"></td>
204	<td width="91%">
205	<p><b>−Z #:#,#:#</b></p></td>
206	</table>
207	<!-- INDENTATION -->
208	<table width="100%" border=0 rules="none" frame="void"
209	cols="2" cellspacing="0" cellpadding="0">
210	<tr valign="top" align="left">
211	<td width="19%"></td>
212	<td width="80%">
213	<p>zones of the image designated as position X of Y equal
214	sized portions measured from the reference edge, e.g. 1:3
215	would be first third of the image starting from the
216	reference edge minus any margins specified for the confining
217	edges. Multiple zones can be specified as a comma separated
218	list but they must reference the same edge. To extract the
219	top quarter and the bottom third of an image you would use
220	<b>−Z 1:4,3:3.</b></p>
221	</td>
222	</table>
223	<!-- INDENTATION -->
224	<table width="100%" border=0 rules="none" frame="void"
225	cols="2" cellspacing="0" cellpadding="0">
226	<tr valign="top" align="left">
227	<td width="8%"></td>
228	<td width="91%">
229	<p><b>−F horiz\|vert</b></p></td>
230	</table>
231	<!-- INDENTATION -->
232	<table width="100%" border=0 rules="none" frame="void"
233	cols="2" cellspacing="0" cellpadding="0">
234	<tr valign="top" align="left">
235	<td width="19%"></td>
236	<td width="80%">
237	<p>flip, i.e. mirror, the image or extracted region
238	horizontally or vertically.</p>
239	</td>
240	</table>
241	<!-- INDENTATION -->
242	<table width="100%" border=0 rules="none" frame="void"
243	cols="2" cellspacing="0" cellpadding="0">
244	<tr valign="top" align="left">
245	<td width="8%"></td>
246	<td width="91%">
247	<p><b>−R 90\|180\|270</b></p></td>
248	</table>
249	<!-- INDENTATION -->
250	<table width="100%" border=0 rules="none" frame="void"
251	cols="2" cellspacing="0" cellpadding="0">
252	<tr valign="top" align="left">
253	<td width="19%"></td>
254	<td width="80%">
255	<p>rotate the image or extracted region 90, 180, or 270
256	degrees clockwise.</p>
257	</td>
258	</table>
259	<!-- TABS -->
260	<table width="100%" border=0 rules="none" frame="void"
261	cols="5" cellspacing="0" cellpadding="0">
262	<tr valign="top" align="left">
263	<td width="10%"></td>
264	<td width="2%">
265
266	<p><b>−I</b></p>
267	</td>
268	<td width="6%"></td>
269	<td width="80%">
270
271	<p>invert the colorspace values for grayscale and bi-level
272	images. This would be used to correct negative images that
273	have incorrect PHOTOMETRIC INTERPRETATION tags. No support
274	for color images.</p>
275	</td>
276	<td width="0%">
277	</td>
278	</table>
279	<!-- INDENTATION -->
280	<table width="100%" border=0 rules="none" frame="void"
281	cols="2" cellspacing="0" cellpadding="0">
282	<tr valign="top" align="left">
283	<td width="8%"></td>
284	<td width="91%">
285	<p><b>−b</b> <i>image</i></p></td>
286	</table>
287	<!-- INDENTATION -->
288	<table width="100%" border=0 rules="none" frame="void"
289	cols="2" cellspacing="0" cellpadding="0">
290	<tr valign="top" align="left">
291	<td width="19%"></td>
292	<td width="80%">
293	<p>subtract the following monochrome image from all others
294	processed. This can be used to remove a noise bias from a
295	set of images. This bias image is typically an image of
296	noise the camera saw with its shutter closed. Bias image
297	support is not available with options for cropping,
298	rotating, or inverting the image.</p>
299	</td>
300	</table>
301	<!-- TABS -->
302	<table width="100%" border=0 rules="none" frame="void"
303	cols="5" cellspacing="0" cellpadding="0">
304	<tr valign="top" align="left">
305	<td width="10%"></td>
306	<td width="3%">
307
308	<p><b>−B</b></p>
309	</td>
310	<td width="5%"></td>
311	<td width="80%">
312
313	<p>Force output to be written with Big-Endian byte order.
314	This option only has an effect when the output file is
315	created or overwritten and not when it is appended to.</p>
316	</td>
317	<td width="0%">
318	</td>
319	<tr valign="top" align="left">
320	<td width="10%"></td>
321	<td width="3%">
322
323	<p><b>−C</b></p>
324	</td>
325	<td width="5%"></td>
326	<td width="80%">
327
328	<p>Suppress the use of ‘‘strip
329	chopping’’ when reading images that have a
330	single strip/tile of uncompressed data.</p>
331	</td>
332	<td width="0%">
333	</td>
334	<tr valign="top" align="left">
335	<td width="10%"></td>
336	<td width="3%">
337
338	<p><b>−c</b></p>
339	</td>
340	<td width="5%"></td>
341	<td width="80%">
342
343	<p>Specify the compression to use for data written to the
344	output file: <b>none</b> for no compression, <b>packbits</b>
345	for PackBits compression, <b>lzw</b> for Lempel-Ziv &
346	Welch compression, <b>jpeg</b> for baseline JPEG
347	compression, <b>zip</b> for Deflate compression, <b>g3</b>
348	for CCITT Group 3 (T.4) compression, and <b>g4</b> for CCITT
349	Group 4 (T.6) compression. By default <i>tiffcrop</i> will
350	compress data according to the value of the
351	<i>Compression</i> tag found in the source file.</p>
352	</td>
353	<td width="0%">
354	</td>
355	</table>
356	<!-- INDENTATION -->
357	<table width="100%" border=0 rules="none" frame="void"
358	cols="2" cellspacing="0" cellpadding="0">
359	<tr valign="top" align="left">
360	<td width="17%"></td>
361	<td width="82%">
362	<p>The <small>CCITT</small> Group 3 and Group 4 compression
363	algorithms can only be used with bi-level data.</p>
364	<!-- INDENTATION -->
365	<p>Group 3 compression can be specified together with
366	several T.4-specific options: <b>1d</b> for 1-dimensional
367	encoding, <b>2d</b> for 2-dimensional encoding, and
368	<b>fill</b> to force each encoded scanline to be zero-filled
369	so that the terminating EOL code lies on a byte boundary.
370	Group 3-specific options are specified by appending a
371	‘‘:’’-separated list to the
372	‘‘g3’’ option; e.g. <b>−c
373	g3:2d:fill</b> to get 2D-encoded data with byte-aligned EOL
374	codes.</p>
375	<!-- INDENTATION -->
376	<p><small>LZW</small> compression can be specified together
377	with a <i>predictor</i> value. A predictor value of 2 causes
378	each scanline of the output image to undergo horizontal
379	differencing before it is encoded; a value of 1 forces each
380	scanline to be encoded without differencing. LZW-specific
381	options are specified by appending a
382	‘‘:’’-separated list to the
383	‘‘lzw’’ option; e.g. <b>−c
384	lzw:2</b> for <small>LZW</small> compression with horizontal
385	differencing.</p>
386	</td>
387	</table>
388	<!-- TABS -->
389	<table width="100%" border=0 rules="none" frame="void"
390	cols="5" cellspacing="0" cellpadding="0">
391	<tr valign="top" align="left">
392	<td width="10%"></td>
393	<td width="3%">
394
395	<p><b>−f</b></p>
396	</td>
397	<td width="5%"></td>
398	<td width="80%">
399
400	<p>Specify the bit fill order to use in writing output
401	data. By default, <i>tiffcrop</i> will create a new file
402	with the same fill order as the original. Specifying
403	<b>−f lsb2msb</b> will force data to be written with
404	the FillOrder tag set to <small>LSB2MSB,</small> while
405	<b>−f msb2lsb</b> will force data to be written with
406	the FillOrder tag set to <small>MSB2LSB.</small></p>
407	</td>
408	<td width="0%">
409	</td>
410	<tr valign="top" align="left">
411	<td width="10%"></td>
412	<td width="3%">
413
414	<p><b>−i</b></p>
415	</td>
416	<td width="5%"></td>
417	<td width="80%">
418
419	<p>Ignore non-fatal read errors and continue processing of
420	the input file.</p>
421	</td>
422	<td width="0%">
423	</td>
424	<tr valign="top" align="left">
425	<td width="10%"></td>
426	<td width="3%">
427
428	<p><b>−l</b></p>
429	</td>
430	<td width="5%"></td>
431	<td width="80%">
432
433	<p>Specify the length of a tile (in pixels).
434	<i>tiffcrop</i> attempts to set the tile dimensions so that
435	no more than 8 kilobytes of data appear in a tile.</p>
436	</td>
437	<td width="0%">
438	</td>
439	<tr valign="top" align="left">
440	<td width="10%"></td>
441	<td width="3%">
442
443	<p><b>−L</b></p>
444	</td>
445	<td width="5%"></td>
446	<td width="80%">
447
448	<p>Force output to be written with Little-Endian byte
449	order. This option only has an effect when the output file
450	is created or overwritten and not when it is appended
451	to.</p>
452	</td>
453	<td width="0%">
454	</td>
455	<tr valign="top" align="left">
456	<td width="10%"></td>
457	<td width="3%">
458
459	<p><b>−M</b></p>
460	</td>
461	<td width="5%"></td>
462	<td width="80%">
463
464	<p>Suppress the use of memory-mapped files when reading
465	images.</p>
466	</td>
467	<td width="0%">
468	</td>
469	<tr valign="top" align="left">
470	<td width="10%"></td>
471	<td width="3%">
472
473	<p><b>−p</b></p>
474	</td>
475	<td width="5%"></td>
476	<td width="80%">
477
478	<p>Specify the planar configuration to use in writing image
479	data that has one 8-bit sample per pixel. By default,
480	<i>tiffcrop</i> will create a new file with the same planar
481	configuration as the original. Specifying <b>−p
482	contig</b> will force data to be written with multi-sample
483	data packed together, while <b>−p separate</b> will
484	force samples to be written in separate planes.</p>
485	</td>
486	<td width="0%">
487	</td>
488	<tr valign="top" align="left">
489	<td width="10%"></td>
490	<td width="3%">
491
492	<p><b>−r</b></p>
493	</td>
494	<td width="5%"></td>
495	<td width="80%">
496
497	<p>Specify the number of rows (scanlines) in each strip of
498	data written to the output file. By default (or when value
499	<b>0</b> is specified), <i>tiffcrop</i> attempts to set the
500	rows/strip that no more than 8 kilobytes of data appear in a
501	strip. If you specify special value <b>-1</b> it will
502	results in infinite number of the rows per strip. The entire
503	image will be the one strip in that case.</p>
504	</td>
505	<td width="0%">
506	</td>
507	<tr valign="top" align="left">
508	<td width="10%"></td>
509	<td width="3%">
510
511	<p><b>−s</b></p>
512	</td>
513	<td width="5%"></td>
514	<td width="80%">
515
516	<p>Force the output file to be written with data organized
517	in strips (rather than tiles).</p>
518	</td>
519	<td width="0%">
520	</td>
521	<tr valign="top" align="left">
522	<td width="10%"></td>
523	<td width="3%">
524
525	<p><b>−t</b></p>
526	</td>
527	<td width="5%"></td>
528	<td width="80%">
529
530	<p>Force the output file to be written with data organized
531	in tiles (rather than strips). options can be used to force
532	the resultant image to be written as strips or tiles of
533	data, respectively.</p>
534	</td>
535	<td width="0%">
536	</td>
537	<tr valign="top" align="left">
538	<td width="10%"></td>
539	<td width="3%">
540
541	<p><b>−w</b></p>
542	</td>
543	<td width="5%"></td>
544	<td width="80%">
545
546	<p>Specify the width of a tile (in pixels). <i>tiffcrop</i>
547	attempts to set the tile dimensions so that no more than 8
548	kilobytes of data appear in a tile. <i>tiffcrop</i> attempts
549	to set the tile dimensions so that no more than 8 kilobytes
550	of data appear in a tile.</p>
551	</td>
552	<td width="0%">
553	</td>
554	</table>
555	<!-- INDENTATION -->
556	<table width="100%" border=0 rules="none" frame="void"
557	cols="2" cellspacing="0" cellpadding="0">
558	<tr valign="top" align="left">
559	<td width="8%"></td>
560	<td width="91%">
561	<p><b>−,={character}</b></p></td>
562	</table>
563	<!-- INDENTATION -->
564	<table width="100%" border=0 rules="none" frame="void"
565	cols="2" cellspacing="0" cellpadding="0">
566	<tr valign="top" align="left">
567	<td width="19%"></td>
568	<td width="80%">
569	<p>substitute {character} for ’,’ in parsing
570	image directory indices in files. This is necessary if
571	filenames contain commas. Note that ’,=’ with
572	whitespace immediately following will disable the special
573	meaning of the ’,’ entirely. See examples.</p>
574	</td>
575	</table>
576	<a name="EXAMPLES"></a>
577	<h2>EXAMPLES</h2>
578	<!-- INDENTATION -->
579	<table width="100%" border=0 rules="none" frame="void"
580	cols="2" cellspacing="0" cellpadding="0">
581	<tr valign="top" align="left">
582	<td width="8%"></td>
583	<td width="91%">
584	<p>The following concatenates two files and writes the
585	result using <small>LZW</small> encoding:</p></td>
586	</table>
587	<!-- INDENTATION -->
588	<table width="100%" border=0 rules="none" frame="void"
589	cols="2" cellspacing="0" cellpadding="0">
590	<tr valign="top" align="left">
591	<td width="17%"></td>
592	<td width="82%">
593	<pre>tiffcrop -c lzw a.tif b.tif result.tif
594	</pre>
595	</td>
596	</table>
597	<!-- INDENTATION -->
598
599	<table width="100%" border=0 rules="none" frame="void"
600	cols="2" cellspacing="0" cellpadding="0">
601	<tr valign="top" align="left">
602	<td width="8%"></td>
603	<td width="91%">
604	<p>To convert a G3 1d-encoded <small>TIFF</small> to a
605	single strip of G4-encoded data the following might be
606	used:</p></td>
607	</table>
608	<!-- INDENTATION -->
609	<table width="100%" border=0 rules="none" frame="void"
610	cols="2" cellspacing="0" cellpadding="0">
611	<tr valign="top" align="left">
612	<td width="17%"></td>
613	<td width="82%">
614	<pre>tiffcrop -c g4 -r 10000 g3.tif g4.tif
615	</pre>
616	</td>
617	</table>
618	<!-- INDENTATION -->
619
620	<table width="100%" border=0 rules="none" frame="void"
621	cols="2" cellspacing="0" cellpadding="0">
622	<tr valign="top" align="left">
623	<td width="8%"></td>
624	<td width="91%">
625	<p>(1000 is just a number that is larger than the number of
626	rows in the source file.)</p>
627	<!-- INDENTATION -->
628	<p>To extract a selected set of images from a multi-image
629	TIFF file use the -N option described above. Thus, to copy
630	the 1st and 3rd images of image file "album.tif"
631	to "result.tif":</p></td>
632	</table>
633	<!-- INDENTATION -->
634	<table width="100%" border=0 rules="none" frame="void"
635	cols="2" cellspacing="0" cellpadding="0">
636	<tr valign="top" align="left">
637	<td width="17%"></td>
638	<td width="82%">
639	<pre>tiffcrop -N 1,3 album.tif result.tif
640	</pre>
641	</td>
642	</table>
643	<!-- INDENTATION -->
644
645	<table width="100%" border=0 rules="none" frame="void"
646	cols="2" cellspacing="0" cellpadding="0">
647	<tr valign="top" align="left">
648	<td width="8%"></td>
649	<td width="91%">
650	<p>Given file "CCD.tif" whose first image is a
651	noise bias followed by images which include that bias,
652	subtract the noise from all those images following it (while
653	decompressing) with the command:</p></td>
654	</table>
655	<!-- INDENTATION -->
656	<table width="100%" border=0 rules="none" frame="void"
657	cols="2" cellspacing="0" cellpadding="0">
658	<tr valign="top" align="left">
659	<td width="17%"></td>
660	<td width="82%">
661	<pre>tiffcrop -c none -b CCD.tif CCD.tif -d 2 result.tif
662	</pre>
663	</td>
664	</table>
665	<a name="SEE ALSO"></a>
666	<h2>SEE ALSO</h2>
667	<!-- INDENTATION -->
668
669	<table width="100%" border=0 rules="none" frame="void"
670	cols="2" cellspacing="0" cellpadding="0">
671	<tr valign="top" align="left">
672	<td width="8%"></td>
673	<td width="91%">
674	<p><b>pal2rgb</b>(1), <b>tiffinfo</b>(1), <b>tiffcmp</b>(1),
675	<b>tiffcp</b>(1), <b>tiffmedian</b>(1), <b>tiffsplit</b>(1),
676	<b>libtiff</b>(3TIFF)</p>
677	<!-- INDENTATION -->
678	<p>Libtiff library home page:
679	<b>http://www.remotesensing.org/libtiff/</b></p>
680	</td>
681	</table>
682	<hr>
683	</body>
684	</html>