[MAN] sgitopnm

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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)

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Index

NAME

SYNOPSIS

DESCRIPTION

OPTIONS

REFERENCES

SEE ALSO

AUTHOR

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