Astro::FITS::Header::GSD man page on aLinux

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GSD(3)		      User Contributed Perl Documentation		GSD(3)

NAME
       Astro::FITS::Header::GSD - Manipulate FITS headers from GSD files

SYNOPSIS
	 use Astro::FITS::Header::GSD;

	 $hdr = new Astro::FITS::Header::GSD( Cards => \@cards );
	 $hdr = new Astro::FITS::Header::GSD( gsdobj => $gsd );
	 $hdr = new Astro::FITS::Header::GSD( File => $file );

DESCRIPTION
       This module makes use of the Starlink GSD module to read from a GSD
       header.

       It stores information about a FITS header block in an object. Takes an
       hash as an argument, with either an array reference pointing to an
       array of FITS header cards, or a filename, or (alternatively) a GSD
       object.

METHODS
       configure
	   Reads a header from a GSD file.

	     $hdr->configure( Cards => \@cards );
	     $hdr->configure( Items => \@items );
	     $hdr->configure( gsdobj => $gsd );
	     $hdr->configure( File => $filename );

	   Accepts a GSD object or a filename. If both "gsdobj" and "File"
	   keys exist, "gsdobj" key takes priority.

       writehdr
	   The GSD library is read-only. The writehdr method is not
	   implemented for this sub-class.

NOTES
       This module requires the Starlink GSD module.

       GSD supports keys that are longer than the 8 characters allowed as part
       of the FITS standard. GSD keys are truncated to 8 characters by this
       module.

SEE ALSO
       NDF, Astro::FITS::Header, Astro::FITS::Header::Item
       Astro::FITS::Header::CFITSIO, Astro::FITS::Header::NDF

AUTHORS
       Tim Jenness <t.jenness@jach.hawaii.edu>, Alasdair Allan
       <aa@astro.ex.ac.uk>

COPYRIGHT
       Copyright (C) 2001-2002 Particle Physics and Astronomy Research
       Council.	 All Rights Reserved.

perl v5.10.0			  2002-11-15				GSD(3)
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