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

pnmtofits(1)						      General Commands Manual						      pnmtofits(1)

NAME
pnmtofits - convert a portable anymap into FITS format
SYNOPSIS
pnmtofits [-max f] [-min f] [pnmfile]
DESCRIPTION
Reads a portable anymap as input. Produces a FITS (Flexible Image Transport System) file as output. The resolution of the output file is either 8 bits/pixel, or 16 bits/pixel, depending on the value of maxval in the input file. If the input file is a portable bitmap or a portable graymap, the output file consists of a single plane image (NAXIS = 2). If instead the input file is a portable pixmap, the output file will consist of a three-plane image (NAXIS = 3, NAXIS3 = 3). A full description of the FITS format can be found in Astronomy & Astro- physics Supplement Series 44 (1981), page 363.
OPTIONS
Flags -min and -max can be used to set DATAMAX, DATAMIN, BSCALE and BZERO in the FITS header, but do not cause the data to be rescaled.
SEE ALSO
fitstopnm(1), pgm(5)
AUTHOR
Copyright (C) 1989 by Wilson H. Bent (whb@hoh-2.att.com), with modifications by Alberto Accomazzi (alberto@cfa.harvard.edu). 5 Dec 1992 pnmtofits(1)