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)
Check Out this Related Man Page
pnmtosgi(1) General Commands Manual pnmtosgi(1)NAME
pnmtosgi - convert a portable anymap to a SGI image file
SYNOPSIS
pnmtosgi [-verbatim|-rle] [-imagename Name] [pnmfile]
DESCRIPTION
Reads a portable anymap as input. Produces an SGI image file as output. The SGI image will be 2-dimensional (1 channel) for PBM and PGM
input, and 3-dimensional (3 channels) for PPM.
OPTIONS -verbatim
Write an uncompressed file.
-rle (default)
Write a compressed (run length encoded) file.
-imagename name
Write the string "name" into the imagename field of the header. The name string is limited to 79 characters. If no name is given,
pnmtosgi writes "no name" into this field.
BUGS
Probably.
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), sgitopnm(1)AUTHOR
Copyright (C) 1994 by Ingo Wilken (Ingo.Wilken@informatik.uni-oldenburg.de)
29 Januar 1994 pnmtosgi(1)
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