sgitopnm
Section: User Commands (1)
Updated: 29 Jul 2000
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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)
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- REFERENCES
-
- SEE ALSO
-
- AUTHOR
-