sgitopnm man page on Knoppix

sgitopnm man page on Knoppix

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sgitopnm(1)							   sgitopnm(1)

NAME
       sgitopnm - convert a SGI image file to a portable anymap

SYNOPSIS
       sgitopnm [-verbose] [-channel c] [SGIfile]

DESCRIPTION
       Reads  an SGI image file as input.  Produces a PGM image for a 2-dimen‐
       sional (1 channel) input file, and a PPM image for a  3-dimensional  (3
       or more channels) input file.

       Alternatively,  produces	 a PGM image of any one of the channels in the
       input file.

OPTIONS
       -verbose
	      Give some information about the SGI image file.

       -channel c
	      Extract channel c of the image as a  PGM	image.	 Without  this
	      option,  sgitopnm	 extracts  the first 3 channels as a PPM image
	      or, if the input has only 1 channel,  extracts  that  as	a  PGM
	      image, and if the input has 2 channels, fails.

REFERENCES
       SGI  Image  File	 Format	 documentation	(draft v0.95) by Paul Haeberli
       (paul@sgi.com).	Available via ftp at sgi.com:graphics/SGIIMAGESPEC.

SEE ALSO
       pnm(5), pnmtosgi(1)

AUTHOR
       Copyright (C) 1994 by  Ingo  Wilken  (Ingo.Wilken@informatik.uni-olden‐
       burg.de)

				  29 Jul 2000			   sgitopnm(1)

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