tiffsv man page on FreeBSD

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TIFFSV(1)							     TIFFSV(1)

NAME
       tiffsv  -  save	an  image from the framebuffer in a TIFF file (Silicon
       Graphics version)

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  Format, Revision 6.0.  By default, the image is saved with
       data samples packed (PlanarConfiguration=1), compressed with  the  Lem‐
       pel-Ziv	& Welch algorithm (Compression=5), and with each strip no more
       than 8 kilobytes.  These characteristics can be overridden, or  explic‐
       itly 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) program.

       -c     Specify  the  compression	 to use for data written to the output
	      file: none for no compression, packbits  for  PackBits  compres‐
	      sion,  jpeg  for baseline JPEG compression, zip for Deflate com‐
	      pression, and lzw for Lempel-Ziv & Welch compression (default).

	      LZW compression can  be  specified  together  with  a  predictor
	      value.   A predictor value of 2 causes each scanline of the out‐
	      put 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.  -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 sepa‐
	      rate will force samples to be written in separate 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 program.	 This means, for example, that you can use it in  con‐
       junction	 with  the  standard  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(3TIFF) library.

SEE ALSO
       scrsave(6D) pal2rgb(1), tiffdump(1), tiffgt(1), tiffinfo(1), tiffcp(1),
       tiffmedian(1), libtiff(3TIFF)

       Libtiff library home page: http://www.remotesensing.org/libtiff/

libtiff			      September 20, 2005		     TIFFSV(1)
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