sgitopnm man page on IRIX

sgitopnm man page on IRIX

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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-dimensional (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@infor
       matik.uni-oldenburg.de)

			   29 Jul 2000		      sgitopnm(1)

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