A class to group separately averaged VisBuffers. More...

#include <VisBuffGroupAcc.h>

Public Member Functions
	VisBuffGroupAcc (const Int &nAnt, const Int &nSpw, const Int &nFld, const Double &subinterval, const Bool fillModel=True)
	Construct from the number of antennas, spws, fields, the averaging interval and the pre-normalization flag.
	~VisBuffGroupAcc ()
	Null destructor.
void	accumulate (const VisBuffer &vb)
	Accumulate a VisBuffer.
void	finalizeAverage ()
	Finalize averaging, and return the result.
void	enforceAPonData (const String &apmode)
	Make data amp- or phase-only.
void	enforceSolveCorrWeights (const Bool phandonly=False)
	Optionally set cross-hands weights to zero, so they are not used (e.g., for solving) subsequently, but remain present in case a general calibration (like P for linears) is applied that will mix them with the parallel hands.
Int	nBuf () const
	How many separate VisBuffers are contained herein?
Int	nAnt () const
Int	nSpw () const
Int	nFld () const
Double &	globalTimeStamp ()
	The global timestamp.
CalVisBuffer &	operator() (const Int &buf)
	Return reference to the indexed VisBuffer.
CalVisBuffer &	operator() (const Int &spw, const Int &fld)
const Vector< Int > &	outToInRow (const Int buf, const Bool hurl=true) const
	Return a map from row numbers in the VisBuffer returned by the above operator()s to row numbers in the corresponding input VisBuffer.
const Vector< Int > &	outToInRow (const Int spw, const Int fld, const Bool hurl=true) const
uInt	applyChanMask (std::map< Int, Vector< Bool > * > &chanmask)
	Select channels in the accumulated buffers by flagging with the chanmask.
Static Public Member Functions
static Bool	fillChanMask (std::map< Int, Vector< Bool > * > &chanmask, const String &spwstr, const MeasurementSet &ms)
	Setup chanmask from a spw:chan selection string and an MS.
static void	clearChanMask (std::map< Int, Vector< Bool > * > &chanmask)
	Empties chanmask (which may have some newed elements).
Private Member Functions
	VisBuffGroupAcc ()
	Prohibit in-public null constructor, copy constructor and assignment.
VisBuffGroupAcc &	operator= (const VisBuffGroupAcc &)
	VisBuffGroupAcc (const VisBuffGroupAcc &)
Private Attributes
Int	nAnt_p
	Number of antennas, spw, fld, buffers.
Int	nSpw_p
Int	nFld_p
Int	nBuf_p
Double	subinterval_p
	Averaging interval.
Bool	fillModel_p
Bool	prenorm_p
	Pre-normalization flag.
Double	globalTimeStamp_p
	Per-interval timestamp averaging.
PtrBlock< VisBuffAccumulator * >	VBA_p
	Averaging buffer (length = nSpw_p x nFld_p)
Matrix< Int >	spwfldids_p
	Map spw,fld to the buffer id.

Detailed Description

A class to group separately averaged VisBuffers.

Intended use:

Public interface

Review Status

Date Reviewed:: yyyy/mm/dd

Prerequisite

VisBufferAccumulator

Etymology

Synopsis

This class groups separately averaged VisBuffers

Example

Motivation

To encapsulate in a single object multiple (averaged) VisBuffers for the solver.

Used by calibration to generate multiple accumulations, e.g., per spw, when using combine='spw' and the data cannot be averaged over spw.

Thrown Exceptions

To Do

??

Definition at line 78 of file VisBuffGroupAcc.h.

Constructor & Destructor Documentation

casa::VisBuffGroupAcc::VisBuffGroupAcc	(	const Int &	nAnt,
		const Int &	nSpw,
		const Int &	nFld,
		const Double &	subinterval,
		const Bool	fillModel = `True`
	)

Construct from the number of antennas, spws, fields, the averaging interval and the pre-normalization flag.

casa::VisBuffGroupAcc::~VisBuffGroupAcc ( )

Null destructor.

casa::VisBuffGroupAcc::VisBuffGroupAcc ( ) [private]

Prohibit in-public null constructor, copy constructor and assignment.

casa::VisBuffGroupAcc::VisBuffGroupAcc ( const VisBuffGroupAcc & ) [private]

Member Function Documentation

void casa::VisBuffGroupAcc::accumulate ( const VisBuffer & vb )

Accumulate a VisBuffer.

uInt casa::VisBuffGroupAcc::applyChanMask ( std::map< Int, Vector< Bool > * > & chanmask )

Select channels in the accumulated buffers by flagging with the chanmask.

Returns the number of VisBuffers that the chanmask operated on.

static void casa::VisBuffGroupAcc::clearChanMask ( std::map< Int, Vector< Bool > * > & chanmask ) [static]

Empties chanmask (which may have some newed elements).

void casa::VisBuffGroupAcc::enforceAPonData ( const String & apmode )

Make data amp- or phase-only.

void casa::VisBuffGroupAcc::enforceSolveCorrWeights ( const Bool phandonly = False )

Optionally set cross-hands weights to zero, so they are not used (e.g., for solving) subsequently, but remain present in case a general calibration (like P for linears) is applied that will mix them with the parallel hands.

static Bool casa::VisBuffGroupAcc::fillChanMask	(	std::map< Int, Vector< Bool > * > &	chanmask,
		const String &	spwstr,
		const MeasurementSet &	ms
	)		`[static]`

Setup chanmask from a spw:chan selection string and an MS.

static so a chanmask can be made once and provided to multiple VBGAs.

void casa::VisBuffGroupAcc::finalizeAverage ( )

Finalize averaging, and return the result.

Double& casa::VisBuffGroupAcc::globalTimeStamp ( ) [inline]

The global timestamp.

Definition at line 114 of file VisBuffGroupAcc.h.

References globalTimeStamp_p.

Int casa::VisBuffGroupAcc::nAnt ( ) const [inline]

Definition at line 109 of file VisBuffGroupAcc.h.

References nAnt_p.

Int casa::VisBuffGroupAcc::nBuf ( ) const [inline]

How many separate VisBuffers are contained herein?

Definition at line 107 of file VisBuffGroupAcc.h.

References nBuf_p.

Int casa::VisBuffGroupAcc::nFld ( ) const [inline]

Definition at line 111 of file VisBuffGroupAcc.h.

References nFld_p.

Int casa::VisBuffGroupAcc::nSpw ( ) const [inline]

Definition at line 110 of file VisBuffGroupAcc.h.

References nSpw_p.

CalVisBuffer& casa::VisBuffGroupAcc::operator() ( const Int & buf )

Return reference to the indexed VisBuffer.

CalVisBuffer& casa::VisBuffGroupAcc::operator()	(	const Int &	spw,
		const Int &	fld
	)

VisBuffGroupAcc& casa::VisBuffGroupAcc::operator= ( const VisBuffGroupAcc & ) [private]

const Vector<Int>& casa::VisBuffGroupAcc::outToInRow	(	const Int	buf,
		const Bool	hurl = `true`
	)		const

Return a map from row numbers in the VisBuffer returned by the above operator()s to row numbers in the corresponding input VisBuffer.

Only useful if there is exactly one corresponding input VisBuffer or you are sure that the last corresponding input VisBuffer will meet your needs (i.e. all the corresponding input VisBuffers had same set of antennas and the metadata you want also matches). hurl controls whether an exception will be thrown if the number of VisBuffers that went into the output of operator() != 1. Unfilled rows point to -1.