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RedHat 9 (Linux i386) - man page for sgitopnm (redhat section 1)

sgitopnm(1)						      General Commands Manual						       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@informatik.uni-oldenburg.de) 29 Jul 2000 sgitopnm(1)