294 lines
8.1 KiB
Groff
294 lines
8.1 KiB
Groff
.\" $Id: tiffcp.1,v 1.11 2010-12-14 12:53:00 dron Exp $
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.\"
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.\" Copyright (c) 1988-1997 Sam Leffler
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.\" Copyright (c) 1991-1997 Silicon Graphics, Inc.
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.\"
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.\" Permission to use, copy, modify, distribute, and sell this software and
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.\" its documentation for any purpose is hereby granted without fee, provided
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.\" that (i) the above copyright notices and this permission notice appear in
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.\" all copies of the software and related documentation, and (ii) the names of
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.\" Sam Leffler and Silicon Graphics may not be used in any advertising or
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.\" publicity relating to the software without the specific, prior written
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.\" permission of Sam Leffler and Silicon Graphics.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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.\" EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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.\" WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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.\"
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.\" IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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.\" ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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.\" OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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.\" WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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.\" LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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.\" OF THIS SOFTWARE.
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.\"
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.if n .po 0
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.TH TIFFCP 1 "February 24, 2007" "libtiff"
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.SH NAME
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tiffcp \- copy (and possibly convert) a
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.SM TIFF
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file
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.SH SYNOPSIS
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.B tiffcp
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[
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.I options
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]
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.I "src1.tif ... srcN.tif dst.tif"
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.SH DESCRIPTION
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.I tiffcp
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combines one or more files created according
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to the Tag Image File Format, Revision 6.0
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into a single
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.SM TIFF
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file.
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Because the output file may be compressed using a different
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algorithm than the input files,
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.I tiffcp
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is most often used to convert between different compression
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schemes.
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.PP
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By default,
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.I tiffcp
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will copy all the understood tags in a
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.SM TIFF
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directory of an input
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file to the associated directory in the output file.
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.PP
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.I tiffcp
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can be used to reorganize the storage characteristics of data
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in a file, but it is explicitly intended to not alter or convert
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the image data content in any way.
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.SH OPTIONS
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.TP
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.BI \-b " image"
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subtract the following monochrome image from all others
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processed. This can be used to remove a noise bias
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from a set of images. This bias image is typically an
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image of noise the camera saw with its shutter closed.
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.TP
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.B \-B
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Force output to be written with Big-Endian byte order.
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This option only has an effect when the output file is created or
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overwritten and not when it is appended to.
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.TP
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.B \-C
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Suppress the use of ``strip chopping'' when reading images
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that have a single strip/tile of uncompressed data.
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.TP
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.B \-c
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Specify the compression to use for data written to the output file:
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.B none
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for no compression,
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.B packbits
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for PackBits compression,
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.B lzw
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for Lempel-Ziv & Welch compression,
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.B zip
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for Deflate compression,
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.B lzma
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for LZMA compression,
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.B jpeg
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for baseline JPEG compression,
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.B g3
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for CCITT Group 3 (T.4) compression,
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and
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.B g4
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for CCITT Group 4 (T.6) compression.
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By default
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.I tiffcp
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will compress data according to the value of the
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.I Compression
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tag found in the source file.
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.IP
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The
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.SM CCITT
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Group 3 and Group 4 compression algorithms can only
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be used with bilevel data.
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.IP
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Group 3 compression can be specified together with several
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T.4-specific options:
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.B 1d
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for 1-dimensional encoding,
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.B 2d
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for 2-dimensional encoding,
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and
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.B fill
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to force each encoded scanline to be zero-filled so that the
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terminating EOL code lies on a byte boundary.
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Group 3-specific options are specified by appending a ``:''-separated
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list to the ``g3'' option; e.g.
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.B "\-c g3:2d:fill"
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to get 2D-encoded data with byte-aligned EOL codes.
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.IP
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.SM LZW, Deflate
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and
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.SM LZMA
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compression can be specified together with a
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.I predictor
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value.
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A predictor value of 2 causes each scanline of the output image to undergo
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horizontal differencing before it is encoded; a value of 1 forces each
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scanline to be encoded without differencing. LZW-specific options are
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specified by appending a ``:''-separated list to the ``lzw'' option; e.g.
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.B "\-c lzw:2"
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for
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.SM LZW
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compression with horizontal differencing.
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.TP
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.B \-f
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Specify the bit fill order to use in writing output data.
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By default,
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.I tiffcp
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will create a new file with the same fill order as the original.
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Specifying
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.B "\-f lsb2msb"
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will force data to be written with the FillOrder tag set to
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.SM LSB2MSB,
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while
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.B "\-f msb2lsb"
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will force data to be written with the FillOrder tag set to
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.SM MSB2LSB.
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.TP
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.B \-i
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Ignore non-fatal read errors and continue processing of the input file.
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.TP
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.B \-l
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Specify the length of a tile (in pixels).
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.I tiffcp
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attempts to set the tile dimensions so
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that no more than 8 kilobytes of data appear in a tile.
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.TP
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.B \-L
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Force output to be written with Little-Endian byte order.
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This option only has an effect when the output file is created or
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overwritten and not when it is appended to.
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.TP
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.B \-M
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Suppress the use of memory-mapped files when reading images.
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.TP
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.B \-p
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Specify the planar configuration to use in writing image data
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that has one 8-bit sample per pixel.
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By default,
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.I tiffcp
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will create a new file with the same planar configuration as
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the original.
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Specifying
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.B "\-p contig"
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will force data to be written with multi-sample data packed
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together, while
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.B "\-p separate"
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will force samples to be written in separate planes.
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.TP
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.B \-r
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Specify the number of rows (scanlines) in each strip of data
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written to the output file.
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By default (or when value
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.B 0
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is specified),
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.I tiffcp
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attempts to set the rows/strip
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that no more than 8 kilobytes of data appear in a strip. If you specify
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special value
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.B \-1
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it will results in infinite number of the rows per strip. The entire image
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will be the one strip in that case.
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.TP
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.B \-s
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Force the output file to be written with data organized in strips
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(rather than tiles).
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.TP
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.B \-t
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Force the output file to be written with data organized in tiles (rather than
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strips). options can be used to force the resultant image to be written as
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strips or tiles of data, respectively.
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.TP
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.B \-w
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Specify the width of a tile (in pixels).
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.I tiffcp
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attempts to set the tile dimensions so that no more than 8 kilobytes of data
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appear in a tile.
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.I tiffcp
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attempts to set the tile dimensions so that no more than 8 kilobytes of data
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appear in a tile.
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.TP
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.B \-x
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Force the output file to be written with PAGENUMBER value in sequence.
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.TP
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.BI \-,= character
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substitute
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.I character
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for `,' in parsing image directory indices
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in files. This is necessary if filenames contain commas.
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Note that
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.B \-,=
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with whitespace immediately following will disable
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the special meaning of the `,' entirely. See examples.
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.SH EXAMPLES
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The following concatenates two files and writes the result using
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.SM LZW
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encoding:
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.RS
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.nf
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tiffcp \-c lzw a.tif b.tif result.tif
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.fi
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.RE
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.PP
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To convert a G3 1d-encoded
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.SM TIFF
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to a single strip of G4-encoded data the following might be used:
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.RS
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.nf
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tiffcp \-c g4 \-r 10000 g3.tif g4.tif
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.fi
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.RE
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(1000 is just a number that is larger than the number of rows in
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the source file.)
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To extract a selected set of images from a multi-image TIFF file, the file
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name may be immediately followed by a `,' separated list of image directory
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indices. The first image is always in directory 0. Thus, to copy the 1st and
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3rd images of image file ``album.tif'' to ``result.tif'':
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.RS
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.nf
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tiffcp album.tif,0,2 result.tif
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.fi
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.RE
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A trailing comma denotes remaining images in sequence. The following command
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will copy all image with except the first one:
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.RS
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.nf
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tiffcp album.tif,1, result.tif
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.fi
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.RE
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Given file ``CCD.tif'' whose first image is a noise bias
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followed by images which include that bias,
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subtract the noise from all those images following it
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(while decompressing) with the command:
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.RS
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.nf
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tiffcp \-c none \-b CCD.tif CCD.tif,1, result.tif
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.fi
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.RE
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If the file above were named ``CCD,X.tif'', the
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.B \-,=
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option would
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be required to correctly parse this filename with image numbers,
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as follows:
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.RS
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.nf
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tiffcp \-c none \-,=% \-b CCD,X.tif CCD,X%1%.tif result.tif
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.SH "SEE ALSO"
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.BR pal2rgb (1),
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.BR tiffinfo (1),
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.BR tiffcmp (1),
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.BR tiffmedian (1),
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.BR tiffsplit (1),
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.BR libtiff (3TIFF)
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.PP
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Libtiff library home page:
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.BR http://www.remotesensing.org/libtiff/
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