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+.\" $Id: tiffsv.1,v 1.3 2005-11-02 11:07:19 dron Exp $
+.\"
+.\" Copyright (c) 1988-1997 Sam Leffler
+.\" Copyright (c) 1991-1997 Silicon Graphics, Inc.
+.\"
+.\" Permission to use, copy, modify, distribute, and sell this software and
+.\" its documentation for any purpose is hereby granted without fee, provided
+.\" that (i) the above copyright notices and this permission notice appear in
+.\" all copies of the software and related documentation, and (ii) the names of
+.\" Sam Leffler and Silicon Graphics may not be used in any advertising or
+.\" publicity relating to the software without the specific, prior written
+.\" permission of Sam Leffler and Silicon Graphics.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
+.\" EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+.\" WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+.\"
+.\" IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+.\" ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+.\" OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+.\" WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+.\" LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+.\" OF THIS SOFTWARE.
+.\"
+.if n .po 0
+.TH TIFFSV 1 "September 20, 2005" "libtiff"
+.SH NAME
+tiffsv \- save an image from the framebuffer in a
+.SM TIFF
+file (Silicon Graphics version)
+.SH SYNOPSIS
+.B tiffsv
+[
+.I options
+]
+.I output.tif
+[
+.I "x1 x2 y1 y2"
+]
+.SH DESCRIPTION
+.I tiffsv
+saves all or part of the framebuffer in a file using the
+Tag Image File Format, Revision 6.0.
+By default, the image is saved with data samples packed (\c
+.IR PlanarConfiguration =1),
+compressed with the Lempel-Ziv & Welch algorithm (\c
+.IR Compression =5),
+and with each strip no more than 8 kilobytes.
+These characteristics can be overridden, or explicitly specified
+with the options described below.
+.SH OPTIONS
+.TP
+.B \-b
+Save the image as a greyscale image
+as if it were processed by
+.IR tiff2bw (1).
+This option is included for compatibility with the standard
+.IR scrsave (6D)
+program.
+.TP
+.B \-c
+Specify the compression to use for data written to the output file:
+.B none
+for no compression,
+.B packbits
+for PackBits compression,
+.B jpeg
+for baseline JPEG compression,
+.B zip
+for Deflate compression,
+and
+.B lzw
+for Lempel-Ziv & Welch compression (default).
+.IP
+.SM LZW
+compression can be specified together with a
+.I predictor
+value.
+A predictor value of 2 causes
+each scanline of the output image to undergo horizontal
+differencing before it is encoded; a value
+of 1 forces each scanline to be encoded without differencing.
+LZW-specific options are specified by appending a ``:''-separated
+list to the ``lzw'' option; e.g.
+.B "\-c lzw:2"
+for
+.SM LZW
+compression with horizontal differencing.
+.TP
+.B \-p
+Specify the planar configuration to use in writing image data.
+By default,
+.I tiffsv
+will create a new file with the data samples packed contiguously.
+Specifying
+.B "\-p contig"
+will force data to be written with multi-sample data packed
+together, while
+.B "\-p separate"
+will force samples to be written in separate planes.
+.TP
+.B \-r
+Specify the number of rows (scanlines) in each strip of data
+written to the output file.
+By default,
+.I tiffsv
+attempts to set the rows/strip
+that no more than 8 kilobytes of data appear in a strip.
+.SH NOTE
+Except for the use of
+.SM TIFF,
+this program is equivalent to the standard
+.I scrsave
+program.
+This means, for example, that you can use it in conjunction with
+the standard
+.IR icut
+program simply by creating a link called
+.IR scrsave ,
+or by creating a shell script called
+.I scrsave
+that invokes
+.I tiffgt
+with the appropriate options.
+.SH BUGS
+If data are saved compressed and in separate planes, then the
+rows in each strip is silently set to one to avoid limitations
+in the
+.BR libtiff (3TIFF)
+library.
+.SH "SEE ALSO"
+.BR scrsave (6D)
+.BR pal2rgb (1),
+.BR tiffdump (1),
+.BR tiffgt (1),
+.BR tiffinfo (1),
+.BR tiffcp (1),
+.BR tiffmedian (1),
+.BR libtiff (3TIFF)
+.PP
+Libtiff library home page:
+.BR http://www.remotesensing.org/libtiff/