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TIFFSV(1) TIFFSV(1)
NAME
tiffsv - save an image from the framebuffer in a TIFF file (Silicon Graphics ver-
sion)
SYNOPSIS
tiffsv [ options ] output.tif [ x1 x2 y1 y2 ]
DESCRIPTION
tiffsv saves all or part of the framebuffer in a file using the Tag Image File For-
mat, Revision 6.0. By default, the image is saved with data samples packed (Plan-
arConfiguration=1), compressed with the Lempel-Ziv & Welch algorithm (Compres-
sion=5), and with each strip no more than 8 kilobytes. These characteristics can
be overriden, or explicitly specified with the options described below.
OPTIONS
-b Save the image as a greyscale image as if it were processed by tiff2bw(1).
This option is included for compatibility with the standard scrsave(6D) pro-
gram.
-c Specify the compression to use for data written to the output file: none for
no compression, packbits for PackBits compression, jpeg for baseline JPEG
compression, zip for Deflate compression, and lzw for Lempel-Ziv & Welch
compression (default).
LZW compression can be specified together with a predictor value. A predic-
tor value of 2 causes each scanline of the output image to undergo horizon-
tal 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. -c lzw:2 for
LZW compression with horizontal differencing.
-p Specify the planar configuration to use in writing image data. By default,
tiffsv will create a new file with the data samples packed contiguously.
Specifying -p contig will force data to be written with multi-sample data
packed together, while -p separate will force samples to be written in sepa-
rate planes.
-r Specify the number of rows (scanlines) in each strip of data written to the
output file. By default, tiffsv attempts to set the rows/strip that no more
than 8 kilobytes of data appear in a strip.
NOTE
Except for the use of TIFF, this program is equivalent to the standard scrsave pro-
gram. This means, for example, that you can use it in conjunction with the stan-
dard icut program simply by creating a link called scrsave, or by creating a shell
script called scrsave that invokes tiffgt with the appropriate options.
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 libtiff(3) library.
SEE ALSO
scrsave(6D) pal2rgb(1), tiffdump(1), tiffgt(1), tiffinfo(1), tiffcp(1), tiffme-
dian(1), libtiff(3)
October 15, 1995 TIFFSV(1)
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
On Apache/1.3.41 (Unix) PHP/5.2.5 mod_perl/1.30 mod_gzip/1.3.26.1a
Under GNU General Public License
2009-01-10 12:05 @38.103.63.58 CrawledBy CCBot/1.0 (+http://www.commoncrawl.org/bot.html)