casa::MultiTermFTNew Class Reference

#include <MultiTermFTNew.h>

Inheritance diagram for casa::MultiTermFTNew:

Public Member Functions
	MultiTermFTNew (CountedPtr< FTMachine > &subftm, Int nterms=1, Bool forward=False)
	Construct using an existing FT-Machine.
	MultiTermFTNew (const RecordInterface &stateRec)
	Construct from a Record containing the MultiTermFTNew state.
	MultiTermFTNew (const MultiTermFTNew &other)
	Copy constructor.
MultiTermFTNew &	operator= (const MultiTermFTNew &other)
	Assignment operator --- leave it as the default.
	~MultiTermFTNew ()
	Destructor.
void	initializeToVis (ImageInterface< Complex > &, const VisBuffer &)
	Called at the start of de-gridding : subftm->initializeToVis() Note : Pre-de-gridding model-image divisions by PBs will go here.
virtual void	initializeToVisNew (const VisBuffer &vb, CountedPtr< SIImageStore > imstore)
	Vectorized InitializeToVis void initializeToVis(Block<CountedPtr<ImageInterface<Complex> > > & compImageVec,PtrBlock<SubImage<Float> > & modelImageVec, PtrBlock<SubImage<Float> >& weightImageVec, PtrBlock<SubImage<Float> *>& fluxScaleVec, Block<Matrix<Float> >& weightsVec, const VisBuffer& vb);.
void	finalizeToVis ()
	Called at the end of de-gridding : subftm->finalizeToVis().
void	initializeToSky (ImageInterface< Complex > &, Matrix< Float > &, const VisBuffer &)
	Called at the start of gridding : subftm->initializeToSky().
virtual void	initializeToSkyNew (const Bool dopsf, const VisBuffer &vb, CountedPtr< SIImageStore > imstore)
	void initializeToSky(Block<CountedPtr<ImageInterface<Complex> > > & compImageVec, Block<Matrix<Float> >& weightsVec, const VisBuffer& vb, const Bool dopsf);
void	finalizeToSky ()
	Called at the end of gridding : subftm->finalizeToSky().
virtual void	finalizeToSkyNew (Bool dopsf, const VisBuffer &vb, CountedPtr< SIImageStore > imstore)
	void finalizeToSky(Block<CountedPtr<ImageInterface<Complex> > > & compImageVec, PtrBlock<SubImage<Float> > & resImageVec, PtrBlock<SubImage<Float> >& weightImageVec, PtrBlock<SubImage<Float> *>& fluxScaleVec, Bool dopsf, Block<Matrix<Float> >& weightsVec, const VisBuffer& vb);
void	get (VisBuffer &vb, Int row=-1)
	void normalizeToSky(ImageInterface<Complex>& compImage, ImageInterface<Float>& resImage, ImageInterface<Float>& weightImage, Bool dopsf, Matrix<Float>& weights) {throw(AipsError("MultiTermFTNew::normalizeToSky should not get called !"));};
void	put (VisBuffer &vb, Int row=-1, Bool dopsf=False, FTMachine::Type type=FTMachine::OBSERVED)
	Modify imaging weights with Taylor-weights and do gridding via subftm->put().
void	put (const VisBuffer &, Int=-1, Bool=False, FTMachine::Type=FTMachine::OBSERVED)
	Have a const version for compatibility with other FTMs.
virtual void	ComputeResiduals (VisBuffer &vb, Bool useCorrected)
	Calculate residual visibilities if possible.
void	makeImage (FTMachine::Type type, VisSet &vs, ImageInterface< Complex > &image, Matrix< Float > &weight)
	Make an image : subftm->makeImage().
ImageInterface< Complex > &	getImage (Matrix< Float > &, Bool=True)
	Get the final image: do the Fourier transform grid-correct, then optionally normalize by the summed weights Note : Post-gridding residual-image divisions by PBs will go here.
virtual Bool	useWeightImage ()
	All FTMachines that fill weightimage, need to set this.
void	getWeightImage (ImageInterface< Float > &weightImage, Matrix< Float > &weights)
	Get the final weights image.
virtual Bool	toRecord (String &error, RecordInterface &outRec, Bool withImage=False, const String diskimage="")
	{throw(AipsError("MultiTermFTNew::getWeightImage() should not be called"));}
virtual Bool	fromRecord (String &error, const RecordInterface &inRec)
virtual Bool	isFourier ()
	Various small inline functions.
virtual void	setNoPadding (Bool nopad)
	To make sure no padding is used in certain gridders.
virtual String	name () const
	Return the name of the machine.
virtual void	setMiscInfo (const Int qualifier)
	set the order of the Taylor term for MFS this is to tell A-Projection to qualify the accumulated avgPB for each Taylor term in the CFCache.
void	printFTTypes ()
FTMachine *	cloneFTM ()
	clone copy should make it pure virtual forcing every ftm to have a cloner
virtual void	setDryRun (Bool val)
virtual Bool	isUsingCFCache ()
Protected Member Functions
virtual void	initMaps (const VisBuffer &vb)
	have to call the initmaps of subftm
CountedPtr< FTMachine >	getNewFTM (const CountedPtr< FTMachine > &ftm)
	Instantiate a new sub FTM.
Bool	modifyVisWeights (VisBuffer &vb, uInt thisterm)
	Multiply Imaging weights by Taylor-function weights - during "put".
Bool	modifyModelVis (VisBuffer &vb, uInt thisterm)
	Multiply model visibilities by Taylor-function weights - during "get".
void	restoreImagingWeights (VisBuffer &vb)
	Restore vb.imagingweights to the original.
Bool	storeAsImg (String fileName, ImageInterface< Float > &theImg)
	Helper function to write ImageInterfaces to disk.
Protected Attributes
Cube< Complex >	modviscube_p
New MTFT specific internal parameters and functions *uInt	nterms_p
New MTFT specific internal parameters and functions *uInt	psfnterms_p
Double	reffreq_p
Matrix< Float >	imweights_p
String	machineName_p
Block< CountedPtr< FTMachine > >	subftms_p
	Bool donePSF_p;.

Detailed Description

Definition at line 52 of file MultiTermFTNew.h.

Constructor & Destructor Documentation

casa::MultiTermFTNew::MultiTermFTNew	(	CountedPtr< FTMachine > &	subftm,
		Int	nterms = `1`,
		Bool	forward = `False`
	)

Construct using an existing FT-Machine.

casa::MultiTermFTNew::MultiTermFTNew ( const RecordInterface & stateRec )

Construct from a Record containing the MultiTermFTNew state.

casa::MultiTermFTNew::MultiTermFTNew ( const MultiTermFTNew & other )

Copy constructor.

This first calls the default "=" operator, and then instantiates objects for member pointers.

casa::MultiTermFTNew::~MultiTermFTNew ( )

Destructor.

Member Function Documentation

FTMachine* casa::MultiTermFTNew::cloneFTM ( ) [virtual]

clone copy should make it pure virtual forcing every ftm to have a cloner

Reimplemented from casa::FTMachine.

virtual void casa::MultiTermFTNew::ComputeResiduals	(	VisBuffer &	vb,
		Bool	useCorrected
	)			`[virtual]`

Calculate residual visibilities if possible.

The purpose is to allow rGridFT to make this multi-threaded

Implements casa::FTMachine.

void casa::MultiTermFTNew::finalizeToSky ( ) [inline, virtual]

Called at the end of gridding : subftm->finalizeToSky().

Implements casa::FTMachine.

Definition at line 99 of file MultiTermFTNew.h.

virtual void casa::MultiTermFTNew::finalizeToSkyNew	(	Bool	dopsf,
		const VisBuffer &	vb,
		CountedPtr< SIImageStore >	imstore
	)			`[virtual]`

void finalizeToSky(Block<CountedPtr<ImageInterface<Complex> > > & compImageVec, PtrBlock<SubImage<Float> *> & resImageVec, PtrBlock<SubImage<Float> *>& weightImageVec, PtrBlock<SubImage<Float> *>& fluxScaleVec, Bool dopsf, Block<Matrix<Float> >& weightsVec, const VisBuffer& vb);

Reimplemented from casa::FTMachine.

void casa::MultiTermFTNew::finalizeToVis ( ) [virtual]

Called at the end of de-gridding : subftm->finalizeToVis().

Implements casa::FTMachine.

virtual Bool casa::MultiTermFTNew::fromRecord	(	String &	error,
		const RecordInterface &	inRec
	)			`[virtual]`

Reimplemented from casa::FTMachine.

void casa::MultiTermFTNew::get	(	VisBuffer &	vb,
		Int	row = `-1`
	)			`[virtual]`

void normalizeToSky(ImageInterface<Complex>& compImage, ImageInterface<Float>& resImage, ImageInterface<Float>& weightImage, Bool dopsf, Matrix<Float>& weights) {throw(AipsError("MultiTermFTNew::normalizeToSky should not get called !"));};

Do the degridding via subftm->get() and modify model-visibilities by Taylor-weights

Implements casa::FTMachine.

ImageInterface<Complex>& casa::MultiTermFTNew::getImage	(	Matrix< Float > &	,
		Bool	= `True`
	)			`[inline, virtual]`

Get the final image: do the Fourier transform grid-correct, then optionally normalize by the summed weights Note : Post-gridding residual-image divisions by PBs will go here.

For now, it just calls subftm->getImage() ImageInterface<Complex>& getImage(Matrix<Float>& weights, Bool normalize=True) {return getImage(weights,normalize,0);}; ImageInterface<Complex>& getImage(Matrix<Float>& weights, Bool normalize=True, const Int taylorindex=0);

Implements casa::FTMachine.

Definition at line 141 of file MultiTermFTNew.h.

CountedPtr<FTMachine> casa::MultiTermFTNew::getNewFTM ( const CountedPtr< FTMachine > & ftm ) [protected]

Instantiate a new sub FTM.

void casa::MultiTermFTNew::getWeightImage	(	ImageInterface< Float > &	weightImage,
		Matrix< Float > &	weights
	)			`[inline, virtual]`

Get the final weights image.

Implements casa::FTMachine.

Definition at line 147 of file MultiTermFTNew.h.

References AlwaysAssert, and subftms_p.

void casa::MultiTermFTNew::initializeToSky	(	ImageInterface< Complex > &	,
		Matrix< Float > &	,
		const VisBuffer &
	)			`[inline, virtual]`

Called at the start of gridding : subftm->initializeToSky().

Implements casa::FTMachine.

Definition at line 87 of file MultiTermFTNew.h.

virtual void casa::MultiTermFTNew::initializeToSkyNew	(	const Bool	dopsf,
		const VisBuffer &	vb,
		CountedPtr< SIImageStore >	imstore
	)			`[virtual]`

void initializeToSky(Block<CountedPtr<ImageInterface<Complex> > > & compImageVec, Block<Matrix<Float> >& weightsVec, const VisBuffer& vb, const Bool dopsf);

Reimplemented from casa::FTMachine.

void casa::MultiTermFTNew::initializeToVis	(	ImageInterface< Complex > &	,
		const VisBuffer &
	)			`[inline, virtual]`

Called at the start of de-gridding : subftm->initializeToVis() Note : Pre-de-gridding model-image divisions by PBs will go here.

Implements casa::FTMachine.

Definition at line 73 of file MultiTermFTNew.h.

virtual void casa::MultiTermFTNew::initializeToVisNew	(	const VisBuffer &	vb,
		CountedPtr< SIImageStore >	imstore
	)			`[virtual]`

Vectorized InitializeToVis void initializeToVis(Block<CountedPtr<ImageInterface<Complex> > > & compImageVec,PtrBlock<SubImage<Float> *> & modelImageVec, PtrBlock<SubImage<Float> *>& weightImageVec, PtrBlock<SubImage<Float> *>& fluxScaleVec, Block<Matrix<Float> >& weightsVec, const VisBuffer& vb);.

Reimplemented from casa::FTMachine.

virtual void casa::MultiTermFTNew::initMaps ( const VisBuffer & vb ) [protected, virtual]

have to call the initmaps of subftm

Reimplemented from casa::FTMachine.

virtual Bool casa::MultiTermFTNew::isFourier ( ) [inline, virtual]

Various small inline functions.

Reimplemented from casa::FTMachine.

Definition at line 158 of file MultiTermFTNew.h.

References casacore::True.

virtual Bool casa::MultiTermFTNew::isUsingCFCache ( ) [inline, virtual]

Reimplemented from casa::FTMachine.

Definition at line 179 of file MultiTermFTNew.h.

References casacore::False, isUsingCFCache(), and subftms_p.

Referenced by isUsingCFCache().

void casa::MultiTermFTNew::makeImage	(	FTMachine::Type	type,
		VisSet &	vs,
		ImageInterface< Complex > &	image,
		Matrix< Float > &	weight
	)			`[virtual]`

Make an image : subftm->makeImage().

Reimplemented from casa::FTMachine.

Bool casa::MultiTermFTNew::modifyModelVis	(	VisBuffer &	vb,
		uInt	thisterm
	)			`[protected]`

Multiply model visibilities by Taylor-function weights - during "get".

Bool casa::MultiTermFTNew::modifyVisWeights	(	VisBuffer &	vb,
		uInt	thisterm
	)			`[protected]`

Multiply Imaging weights by Taylor-function weights - during "put".

virtual String casa::MultiTermFTNew::name ( ) const [inline, virtual]

Return the name of the machine.

Implements casa::FTMachine.

Definition at line 160 of file MultiTermFTNew.h.

References machineName_p.

MultiTermFTNew& casa::MultiTermFTNew::operator= ( const MultiTermFTNew & other )

Assignment operator --- leave it as the default.

Reimplemented from casa::FTMachine.

void casa::MultiTermFTNew::printFTTypes ( ) [inline]

Definition at line 163 of file MultiTermFTNew.h.

References casacore::nelements(), and subftms_p.

void casa::MultiTermFTNew::put	(	const VisBuffer &	,
		Int	= `-1`,
		Bool	= `False`,
		FTMachine::Type	= `FTMachine::OBSERVED`
	)			`[inline, virtual]`

Have a const version for compatibility with other FTMs.

. Throw an exception if called.

Implements casa::FTMachine.

Definition at line 119 of file MultiTermFTNew.h.

void casa::MultiTermFTNew::put	(	VisBuffer &	vb,
		Int	row = `-1`,
		Bool	dopsf = `False`,
		FTMachine::Type	type = `FTMachine::OBSERVED`
	)			`[virtual]`

Modify imaging weights with Taylor-weights and do gridding via subftm->put().

Reimplemented from casa::FTMachine.

void casa::MultiTermFTNew::restoreImagingWeights ( VisBuffer & vb ) [protected]

Restore vb.imagingweights to the original.

virtual void casa::MultiTermFTNew::setDryRun ( Bool val ) [inline, virtual]

cerr << "MTFTMN: " << isDryRun << endl;

Reimplemented from casa::FTMachine.

Definition at line 172 of file MultiTermFTNew.h.

References casa::FTMachine::isDryRun, and subftms_p.

virtual void casa::MultiTermFTNew::setMiscInfo ( const Int qualifier ) [inline, virtual]

set the order of the Taylor term for MFS this is to tell A-Projection to qualify the accumulated avgPB for each Taylor term in the CFCache.

Implements casa::FTMachine.

Definition at line 161 of file MultiTermFTNew.h.

virtual void casa::MultiTermFTNew::setNoPadding ( Bool nopad ) [inline, virtual]

To make sure no padding is used in certain gridders.

Reimplemented from casa::FTMachine.

Definition at line 159 of file MultiTermFTNew.h.

References subftms_p.

Bool casa::MultiTermFTNew::storeAsImg	(	String	fileName,
		ImageInterface< Float > &	theImg
	)			`[protected]`

Helper function to write ImageInterfaces to disk.

virtual Bool casa::MultiTermFTNew::toRecord	(	String &	error,
		RecordInterface &	outRec,
		Bool	withImage = `False`,
		const String	diskimage = `""`
	)			`[virtual]`