30366c9f22
ras2tiff, sgi2tiff, sgisv, and ycbcr are completely removed from the distribution. The libtiff tools rgb2ycbcr and thumbnail are only built in the build tree for testing. Old files are put in new 'archive' subdirectory of the source repository, but not in distribution archives. These changes are made in order to lessen the maintenance burden.
143 lines
4.0 KiB
Groff
143 lines
4.0 KiB
Groff
.\" $Id: tiffsv.1,v 1.1 2016-06-05 19:53:59 bfriesen 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 TIFFSV 1 "September 20, 2005" "libtiff"
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.SH NAME
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tiffsv \- save an image from the framebuffer in a
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.SM TIFF
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file (Silicon Graphics version)
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.SH SYNOPSIS
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.B tiffsv
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[
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.I options
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]
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.I output.tif
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[
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.I "x1 x2 y1 y2"
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]
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.SH DESCRIPTION
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.I tiffsv
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saves all or part of the framebuffer in a file using the
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Tag Image File Format, Revision 6.0.
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By default, the image is saved with data samples packed (\c
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.IR PlanarConfiguration =1),
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compressed with the Lempel-Ziv & Welch algorithm (\c
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.IR Compression =5),
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and with each strip no more than 8 kilobytes.
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These characteristics can be overridden, or explicitly specified
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with the options described below.
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.SH OPTIONS
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.TP
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.B \-b
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Save the image as a greyscale image
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as if it were processed by
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.IR tiff2bw (1).
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This option is included for compatibility with the standard
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.IR scrsave (6D)
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program.
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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 jpeg
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for baseline JPEG compression,
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.B zip
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for Deflate compression,
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and
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.B lzw
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for Lempel-Ziv & Welch compression (default).
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.IP
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.SM LZW
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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
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each scanline of the output image to undergo horizontal
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differencing before it is encoded; a value
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of 1 forces each scanline to be encoded without differencing.
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LZW-specific options are specified by appending a ``:''-separated
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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 \-p
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Specify the planar configuration to use in writing image data.
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By default,
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.I tiffsv
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will create a new file with the data samples packed contiguously.
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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,
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.I tiffsv
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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.
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.SH NOTE
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Except for the use of
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.SM TIFF,
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this program is equivalent to the standard
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.I scrsave
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program.
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This means, for example, that you can use it in conjunction with
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the standard
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.IR icut
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program simply by creating a link called
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.IR scrsave ,
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or by creating a shell script called
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.I scrsave
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that invokes
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.I tiffgt
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with the appropriate options.
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.SH BUGS
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If data are saved compressed and in separate planes, then the
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rows in each strip is silently set to one to avoid limitations
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in the
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.BR libtiff (3TIFF)
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library.
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.SH "SEE ALSO"
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.BR scrsave (6D)
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.BR pal2rgb (1),
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.BR tiffdump (1),
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.BR tiffgt (1),
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.BR tiffinfo (1),
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.BR tiffcp (1),
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.BR tiffmedian (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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