This is the command pnmtofits that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
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 & Astrophysics 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.
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