2005-09-20 06:07:55 -04:00
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.\" $Id: ras2tiff.1,v 1.2 2005-09-20 10:14:29 dron Exp $
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1999-07-27 17:50:26 -04:00
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.\"
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.\" Copyright (c) 1990-1997 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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2005-09-20 06:07:55 -04:00
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.TH RAS2TIFF 1 "September 20, 2005" "ras2tiff"
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1999-07-27 17:50:26 -04:00
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.SH NAME
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ras2tiff \- create a
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.SM TIFF
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file from a Sun rasterfile
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.SH SYNOPSIS
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.B ras2tiff
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[
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.I options
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]
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.I input.ras
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.I output.tif
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.SH DESCRIPTION
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.I ras2tiff
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converts a file in the Sun rasterfile format to
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.SM TIFF.
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By default, the
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.SM TIFF
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image is created 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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2005-09-20 06:07:55 -04:00
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These characteristics can overridden, or explicitly specified
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1999-07-27 17:50:26 -04:00
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with the options described below.
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.PP
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Any colormap information in the rasterfile is carried over to the
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.SM TIFF
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file by including a
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.I Colormap
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tag in the output file.
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If the rasterfile has a colormap, the
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.I PhotometricInterpretation
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tag is set to 3 (palette);
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otherwise it is set to 2 (RGB) if the depth
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is 24 or 1 (min-is-black) if the depth is not 24.
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.SH OPTIONS
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.TP
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.B \-c
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Specify a compression scheme to use when writing image data:
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.B "\-c none"
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for no compression,
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.B "-c packbits"
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for the PackBits compression algorithm,
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.B "-c jpeg"
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for the baseline JPEG compression algorithm,
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.B "-c zip
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for the Deflate compression algorithm,
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and
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.B "\-c lzw"
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for Lempel-Ziv & Welch (the default).
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.TP
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.B \-r
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Write data with a specified number of rows per strip;
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by default the number of rows/strip is selected so that each strip
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is approximately 8 kilobytes.
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.SH BUGS
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Does not handle all possible rasterfiles.
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In particular,
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.I ras2tiff
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does not handle run-length encoded images.
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.SH "SEE ALSO"
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.IR pal2rgb (1),
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.IR tiffinfo (1),
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.IR tiffcp (1),
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.IR tiffmedian (1),
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.IR libtiff (3)
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