295 lines
7.5 KiB
Groff
295 lines
7.5 KiB
Groff
.\" $Id: tiff2ps.1,v 1.11 2013-03-06 03:35:09 tgl 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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.ds Ps PostScript
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.if n .po 0
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.TH TIFF2PS 1 "November 2, 2005" "libtiff"
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.SH NAME
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tiff2ps \- convert a
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.SM TIFF
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image to \*(Ps\*(Tm
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.SH SYNOPSIS
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.B tiff2ps
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[
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.I options
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]
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.I "input.tif ..."
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.SH DESCRIPTION
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.I tiff2ps
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reads
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.SM TIFF
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images and writes \*(Ps or Encapsulated \*(Ps (EPS)
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on the standard output.
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By default,
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.I tiff2ps
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writes Encapsulated \*(Ps for the first image in the specified
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.SM TIFF
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image file.
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.PP
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By default,
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.I tiff2ps
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will generate \*(Ps that fills a printed area specified
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by the
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.SM TIFF
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tags in the input file.
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If the file does not contain
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.I XResolution
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or
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.I YResolution
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tags, then the printed area is set according to the image dimensions.
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The
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.B \-w
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and
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.B \-h
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options (see below)
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can be used to set the dimensions of the printed area in inches;
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overriding any relevant
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.SM TIFF
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tags.
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.PP
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The \*(Ps generated for
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.SM RGB,
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palette, and
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.SM CMYK
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images uses the
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.I colorimage
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operator.
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The \*(Ps generated for
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greyscale and bilevel images
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uses the
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.I image
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operator.
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When the
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.I colorimage
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operator is used, \*(Ps code to emulate this operator
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on older \*(Ps printers is also generated.
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Note that this emulation code can be very slow.
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.PP
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Color images with associated alpha data are composited over
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a white background.
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.SH OPTIONS
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.TP
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.B \-1
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Generate \*(Ps Level 1 (the default).
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.TP
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.B \-2
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Generate \*(Ps Level 2.
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.TP
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.B \-3
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Generate \*(Ps Level 3. It basically allows one to use the /flateDecode
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filter for ZIP compressed TIFF images.
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.TP
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.B \-8
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Disable use of ASCII85 encoding with \*(Ps Level 2/3.
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.TP
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.B \-a
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Generate output for all IFDs (pages) in the input file.
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.TP
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.B \-b
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Specify the bottom margin for the output (in inches). This does not affect
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the height of the printed image.
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.TP
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.B \-c
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Center the image in the output. This option only shows an effect if both
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the
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.B \-w
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and the
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.B \-h
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option are given.
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.TP
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.B \-C
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Specify the document creator name.
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.TP
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.B \-d
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Set the initial
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.SM TIFF
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directory to the specified directory number.
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(NB: Directories are numbered starting at zero.)
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This option is useful for selecting individual pages in a
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multi-page (e.g. facsimile) file.
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.TP
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.B \-D
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Enable duplex printing (two pages per sheet of paper).
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.TP
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.B \-e
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Force the generation of Encapsulated \*(Ps (implies
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.BR \-z ).
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.TP
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.B \-h
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Specify the vertical size of the printed area (in inches).
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.TP
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.B \-H
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Specify the maximum height of image (in inches). Images with larger sizes will
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be split in several pages. Option
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.B \-L
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may be used for specifying size of split images overlapping.
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.B \-i
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Enable/disable pixel interpolation. This option requires a
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single numeric value: zero to disable pixel interpolation and
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non-zero to enable. The default is enabled.
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.TP
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.B \-L
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Specify the size of overlapping for split images (in inches). Used in
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conjunction with
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.B \-H
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and
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.B \-W
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options.
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.TP
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.B \-l
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Specify the left margin for the output (in inches). This does not affect
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the width of the printed image.
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.TP
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.B \-m
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Where possible render using the
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.I imagemask
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\*(Ps operator instead of the
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.I image
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operator. When this option is specified
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.I tiff2ps
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will use
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.I imagemask
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for rendering 1 bit deep images. If this option is not specified
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or if the image depth is greater than 1 then the
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.I image
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operator is used.
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.TP
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.B \-o
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Set the initial
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.SM TIFF
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directory to the
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.SM IFD
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at the specified file offset.
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This option is useful for selecting thumbnail images and the
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like which are hidden using the
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.I SubIFD
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tag.
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.TP
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.B \-O
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Write \*(Ps to specified file instead of standard output.
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.TP
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.B \-p
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Force the generation of (non-Encapsulated) \*(Ps.
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.TP
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.B \-P L|P
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Set optional PageOrientation DSC comment to Landscape or Portrait.
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.TP
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.B \-r 90|180|270|auto
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Rotate image by 90, 180, 270 degrees or auto. Auto picks the best
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fit for the image on the specified paper size (eg portrait
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or landscape) if -h or -w is specified. Rotation is in degrees
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counterclockwise. Auto rotates 90 degrees ccw to produce landscape.
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.TP
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.B \-s
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Generate output for a single IFD (page) in the input file.
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.TP
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.B \-t
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Specify the document title string.
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.TP
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.B \-T
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Print pages for top edge binding.
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.TP
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.B \-w
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Specify the horizontal size of the printed area (in inches).
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.TP
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.B \-W
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Specify the maximum width of image (in inches). Images with larger sizes will
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be split in several pages. Options
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.B \-L
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and
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.B \-W
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are mutually exclusive.
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.TP
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.B \-x
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Override resolution units specified in the TIFF as centimeters.
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.TP
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.B \-y
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Override resolution units specified in the TIFF as inches.
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.TP
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.B \-z
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When generating \*(Ps Level 2, data is scaled so that it does not
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image into the
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.I deadzone
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on a page (the outer margin that the printing device is unable to mark).
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This option suppresses this behavior.
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When \*(Ps Level 1 is generated, data is imaged to the entire printed
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page and this option has no affect.
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.SH EXAMPLES
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The following generates \*(Ps Level 2 for all pages of a facsimile:
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.RS
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.nf
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tiff2ps \-a2 fax.tif | lpr
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.fi
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.RE
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Note also that if you have version 2.6.1 or newer of Ghostscript then you
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can efficiently preview facsimile generated with the above command.
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.PP
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To generate Encapsulated \*(Ps for a the image at directory 2
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of an image use:
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.RS
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.nf
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tiff2ps \-d 1 foo.tif
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.fi
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.RE
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(Notice that directories are numbered starting at zero.)
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.PP
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If you have a long image, it may be split in several pages:
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.RS
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.nf
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tiff2ps \-h11 \-w8.5 \-H14 \-L.5 foo.tif > foo.ps
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.fi
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.RE
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The page size is set to 8.5x11 by
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.B \-w
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and
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.B \-h
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options. We will accept a small amount of vertical compression, so
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.B \-H
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set to 14. Any pages between 11 and 14 inches will be fit onto one page.
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Pages longer than 14 inches are cut off at 11 and continued on the next
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page. The
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.B \-L.5
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option says to repeat a half inch on the next page (to improve readability).
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.SH BUGS
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Because \*(Ps does not support the notion of a colormap,
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8-bit palette images produce 24-bit \*(Ps images.
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This conversion results in output that is six times
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bigger than the original image and which takes a long time
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to send to a printer over a serial line.
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Matters are even worse for 4-, 2-, and 1-bit palette images.
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.PP
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Does not handle tiled images when generating \*(Ps Level I output.
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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 tiffcp (1),
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.BR tiffgt (1),
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.BR tiffmedian (1),
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.BR tiff2bw (1),
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.BR tiffsv (1),
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.BR libtiff (3)
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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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