100 lines
2.7 KiB
Groff
100 lines
2.7 KiB
Groff
.\" $Id: tiffset.1,v 1.6 2012-12-04 03:02:37 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 TIFFSET 1 "December 3, 2012" "libtiff"
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.SH NAME
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tiffset \- set or unset a field in a
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.SM TIFF
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header
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.SH SYNOPSIS
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.B tiffset
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[
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.I options
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]
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.I filename.tif
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.SH DESCRIPTION
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.I Tiffset
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sets the value of a
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.SM TIFF
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header to a specified value or removes an existing setting.
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.SH OPTIONS
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.TP
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.BI \-d " dirnumber"
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change the current directory (starting at 0).
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.TP
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.BI \-s " tagnumber" "\fR [\fP" " count" "\fR ]\fP" " value ..."
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Set the value of the named tag to the value or values specified.
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.TP
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.BI \-sd " diroffset"
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change the current directory by offset.
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.TP
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.BI \-sf " tagnumber filename"
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Set the value of the tag to the contents of filename. This option is
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supported for ASCII tags only.
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.TP
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.BI \-u " tagnumber"
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Unset the tag.
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.SH EXAMPLES
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The following example sets the image description tag (270) of a.tif to
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the contents of the file descrip:
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.RS
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.nf
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tiffset \-sf 270 descrip a.tif
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.fi
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.RE
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.PP
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The following example sets the artist tag (315) of a.tif to the string
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``Anonymous'':
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.RS
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.nf
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tiffset \-s 315 Anonymous a.tif
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.fi
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.RE
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.PP
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This example sets the resolution of the file a.tif to 300 dpi:
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.RS
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.nf
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tiffset \-s 296 2 a.tif
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tiffset \-s 282 300.0 a.tif
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tiffset \-s 283 300.0 a.tif
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.fi
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.RE
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.PP
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Set the photometric interpretation of the third page of a.tif to
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min-is-black (ie. inverts it):
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.RS
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.nf
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tiffset -d 2 -s 262 1 a.tif
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.fi
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.RE
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.SH "SEE ALSO"
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.BR tiffdump (1),
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.BR tiffinfo (1),
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.BR tiffcp (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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