A helper class for MSFitsInput. More...

#include <MSFitsInput.h>

Public Member Functions
	MSPrimaryGroupHolder ()
	This is a helper class to avoid cumbersome switch statements on the template type of the primary group It forwards all the PrimaryGroup member function we need in the filler.
	MSPrimaryGroupHolder (FitsInput &infile)
	Construct from an input file containing a FITS primary group hdu.
	~MSPrimaryGroupHolder ()
void	attach (FitsInput &infile)
	Attach to the input file, create the appropriate PrimaryGroup.
void	detach ()
	Detach from the input file.
Int	dims ()
	Number of dimensions.
Int	dim (Int i)
	Length of i'th axis.
Char *	ctype (Int i)
	Coordinate type.
Double	crval (Int i)
	Coordinate reference value.
Double	crpix (Int i)
	Coordinate reference pixel.
Double	cdelt (Int i)
	Coordinate delta.
const FitsKeyword *	kw (const FITS::ReservedName &n)
	Keyword of given type.
ConstFitsKeywordList &	kwlist ()
	All keywords.
const FitsKeyword *	nextkw ()
	Advance to next keyword.
Int	gcount () const
	Number of groups.
Int	pcount () const
	Number of parameters.
Char *	ptype (Int i) const
	Parameter type.
Int	read ()
	Read the next group.
Double	parm (Int i)
	Get i'th parameter.
Double	operator() (Int i) const
	Get group data with index i, scaled and converted to Double.
Private Attributes
HeaderDataUnit *	hdu_p
PrimaryGroup< Short > *	ps
PrimaryGroup< FitsLong > *	pl
PrimaryGroup< Float > *	pf

Detailed Description

A helper class for MSFitsInput.

Intended use:

Internal

Etymology

This class can hold a primary group of several datatypes

Synopsis

This is a helper class to avoid cumbersome switch statements on the template type of the primary group It forwards all the PrimaryGroup member functions we need in the filler.

Definition at line 62 of file MSFitsInput.h.

Constructor & Destructor Documentation

casa::MSPrimaryGroupHolder::MSPrimaryGroupHolder ( )

This is a helper class to avoid cumbersome switch statements on the template type of the primary group It forwards all the PrimaryGroup member function we need in the filler.

Construct an empty holder, used to attach to later

casa::MSPrimaryGroupHolder::MSPrimaryGroupHolder ( FitsInput & infile )

Construct from an input file containing a FITS primary group hdu.

Throws an exception if the datatype is not Short, FitsLong or Float

casa::MSPrimaryGroupHolder::~MSPrimaryGroupHolder ( )