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 ex- tracts the first 3 channels as a PPM image or, if the input has only 1 channel, ex- tracts 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 AT sgi.com). Avail- able via ftp at sgi.com:graphics/SGIIMAGESPEC. SEE ALSO pnm(5), pnmtosgi(1) AUTHOR Copyright (C) 1994 by Ingo Wilken (Ingo.Wilken AT informatik.de) 29 Jul 2000 sgitopnm(1)
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