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Fitstopnm User Manual(0) Fitstopnm User Manual(0)
NAME
fitstopnm - convert a FITS file into a PNM image
SYNOPSIS
fitstopnm [-image N] [-scanmax] [-printmax] [-min f] [-max f] [FITS-
file]
All options may be abbreviated to their shortest unique prefix.
DESCRIPTION
This program is part of Netpbm(1).
fitstopnm reads a FITS file as input and produces a PPM image if the
FITS file consists of 3 image planes (NAXIS = 3 and NAXIS3 = 3), or a
PGM image if the FITS file consists of 2 image planes (NAXIS = 2), or
if you specify the -image option. The results may need to be flipped
top for bottom; if so, just pipe the output through pamflip -tb.
OPTIONS
The -image option is for FITS files with three axes. The assumption is
that the third axis is for multiple images, and this option lets you
select which one you want.
You can use options -min and -max to override the min and max values as
read from the FITS header or the image data if no DATAMIN and DATAMAX
keywords are found.
You can use the -scanmax option to force the program to scan the data
even when DATAMIN and DATAMAX are found in the header. If you specify
-printmax, the program will just print the min and max values and quit.
The program tells you what kind of PNM image it is writing.
REFERENCES
FITS stands for Flexible Image Transport System. A full description
can be found in Astronomy & Astrophysics Supplement Series 44 (1981),
page 363.
SEE ALSO
pnmtofits(1), pamflip(1), pgm(1)
AUTHOR
Copyright (C) 1989 by Jef Poskanzer, with modifications by Daniel
Briggs (dbriggs@nrao.edu) and Alberto Accomazzi (alberto@cfa.har-
vard.edu).
netpbm documentation 20 September 89 Fitstopnm User Manual(0)
Man(1) output converted with
man2html and wrapped by fishsponge
This page was generated on Sat Sep 8 16:35:15 GMT 2007
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