casa::MosaicFT Class Reference

#include <MosaicFT.h>

Inheritance diagram for casa::MosaicFT:

Public Member Functions
	MosaicFT (SkyJones *sj, MPosition mloc, String stokes, Long cachesize, Int tilesize=16, Bool usezero=True, Bool useDoublePrec=False)
	Constructor: cachesize is the size of the cache in words (e.g.
	MosaicFT (const RecordInterface &stateRec)
	Construct from a Record containing the MosaicFT state.
	MosaicFT (const MosaicFT &other)
	Copy constructor.
MosaicFT &	operator= (const MosaicFT &other)
	Assignment operator.
	~MosaicFT ()
void	initializeToVis (ImageInterface< Complex > &image, const VisBuffer &vb)
	Initialize transform to Visibility plane using the image as a template.
void	finalizeToVis ()
	Finalize transform to Visibility plane: flushes the image cache and shows statistics if it is being used.
void	initializeToSky (ImageInterface< Complex > &image, Matrix< Float > &weight, const VisBuffer &vb)
	Initialize transform to Sky plane: initializes the image.
void	get (VisBuffer &vb, Int row=-1)
	Get actual coherence from grid by degridding.
void	put (const VisBuffer &vb, Int row=-1, Bool dopsf=False, FTMachine::Type type=FTMachine::OBSERVED)
	Put coherence to grid by gridding.
void	makeImage (FTMachine::Type type, VisSet &vs, ImageInterface< Complex > &image, Matrix< Float > &weight)
	Make the entire image.
ImageInterface< Complex > &	getImage (Matrix< Float > &, Bool normalize=True)
	Get the final image: do the Fourier transform and grid-correct, then optionally normalize by the summed weights.
virtual void	normalizeImage (Lattice< Complex > &, const Matrix< Double > &, Lattice< Float > &, Bool)
void	getWeightImage (ImageInterface< Float > &, Matrix< Float > &)
	Get the final weights image.
virtual void	getFluxImage (ImageInterface< Float > &image)
	Get a flux (divide by this to get a flux density correct image) image if there is one.
Bool	toRecord (String &error, RecordInterface &outRec, Bool withImage=False, const String diskimage="")
	Save and restore the MosaicFT to and from a record.
Bool	fromRecord (String &error, const RecordInterface &inRec)
Bool	isFourier ()
	Can this FTMachine be represented by Fourier convolutions?
virtual String	name () const
	Return name of this machine.
virtual Bool	useWeightImage ()
	All FTMachines that fill weightimage, need to set this.
void	setConvFunc (CountedPtr< SimplePBConvFunc > &pbconvFunc)
	Copy convolution function etc to another FT machine necessary if ft and ift are distinct but can share convfunctions.
CountedPtr< SimplePBConvFunc > &	getConvFunc ()
CountedPtr< TempImage< Float > > &	getConvWeightImage ()
virtual void	reset ()
	reset weight image
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.
virtual void	ComputeResiduals (VisBuffer &, Bool)
	Make the VB and VBStore interefaces for the interim re-factoring work.
Public Attributes
Finalize transform to Sky	plane: flushes the image cache and shows statistics if it is being used. DOES NOT DO THE FINAL TRANSFORM! */ void finalizeToSky()
Protected Member Functions
Int	nint (Double val)
void	findConvFunction (const ImageInterface< Complex > &image, const VisBuffer &vb)
	Find the convolution function.
void	girarUVW (Matrix< Double > &uvw, Vector< Double > &dphase, const VisBuffer &vb)
void	addBeamCoverage (ImageInterface< Complex > &image)
void	prepGridForDegrid ()
Array< Complex > *	getDataPointer (const IPosition &, Bool)
	Get the appropriate data pointer.
void	ok ()
void	init ()
Bool	recordOnGrid (const VisBuffer &vb, Int rownr) const
	Is this record on Grid? check both ends.
Int	getIndex (const ROMSPointingColumns &mspc, const Double &time, const Double &interval)
Bool	getXYPos (const VisBuffer &vb, Int row)
Protected Attributes
SkyJones *	sj_p
	Vector<SkyJones *> sj_p;.
LatticeCache< Complex > *	imageCache
	Image cache.
Long	cachesize
	Sizes.
Int	tilesize
ConvolveGridder< Double, Complex > *	gridder
	Gridder.
Bool	isTiled
	Is this tiled?
CountedPtr< Lattice< Complex > >	arrayLattice
	Array lattice.
CountedPtr< Lattice< Complex > >	lattice
	Lattice.
CountedPtr< Lattice< Complex > >	weightLattice
Float	maxAbsData
IPosition	centerLoc
	Useful IPositions.
IPosition	offsetLoc
Vector< Double >	uvScale
	Image Scaling and offset.
Vector< Double >	uvOffset
Array< Complex >	griddedWeight
	Array for non-tiled gridding.
Array< DComplex >	griddedWeight2
MSPointingColumns *	mspc
	Pointing columns.
MSAntennaColumns *	msac
	Antenna columns.
DirectionCoordinate	directionCoord
MDirection::Convert *	pointingToImage
Vector< Double >	xyPos
MDirection	worldPosMeas
Int	priorCacheSize
Bool	usezero_p
	Grid/degrid zero spacing points?
Array< Complex >	convFunc
Array< Complex >	weightConvFunc_p
Int	convSampling
Int	convSize
Int	convSupport
Vector< Int >	convSupportPlanes_p
Vector< Int >	convSizePlanes_p
Vector< Int >	convRowMap_p
Vector< Int >	convChanMap_p
Vector< Int >	convPolMap_p
Int	wConvSize
Int	lastIndex_p
CountedPtr< TempImage< Float > >	skyCoverage_p
TempImage< Complex > *	convWeightImage_p
CountedPtr< SimplePBConvFunc >	pbConvFunc_p
CountedPtr< UVWMachine >	phaseShifter_p
String	machineName_p
	Later this.
Bool	doneWeightImage_p
String	stokes_p

Detailed Description

Definition at line 131 of file MosaicFT.h.

Constructor & Destructor Documentation

casa::MosaicFT::MosaicFT	(	SkyJones *	sj,
		MPosition	mloc,
		String	stokes,
		Long	cachesize,
		Int	tilesize = `16`,
		Bool	usezero = `True`,
		Bool	useDoublePrec = `False`
	)

Constructor: cachesize is the size of the cache in words (e.g.

a few million is a good number), tilesize is the size of the tile used in gridding (cannot be less than 12, 16 works in most cases).

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

Construct from a Record containing the MosaicFT state.

casa::MosaicFT::MosaicFT ( const MosaicFT & other )

Copy constructor.

casa::MosaicFT::~MosaicFT ( )

Member Function Documentation

void casa::MosaicFT::addBeamCoverage ( ImageInterface< Complex > & image ) [protected]

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

Make the VB and VBStore interefaces for the interim re-factoring work.

Finally removed the VB interface.

Implements casa::FTMachine.

Definition at line 230 of file MosaicFT.h.

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

Finalize transform to Visibility plane: flushes the image cache and shows statistics if it is being used.

Implements casa::FTMachine.

void casa::MosaicFT::findConvFunction	(	const ImageInterface< Complex > &	image,
		const VisBuffer &	vb
	)			`[protected, virtual]`

Find the convolution function.

Reimplemented from casa::FTMachine.

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

Reimplemented from casa::FTMachine.

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

Get actual coherence from grid by degridding.

Implements casa::FTMachine.

CountedPtr<SimplePBConvFunc>& casa::MosaicFT::getConvFunc ( )

CountedPtr<TempImage<Float> >& casa::MosaicFT::getConvWeightImage ( )

Array<Complex>* casa::MosaicFT::getDataPointer	(	const IPosition &	,
		Bool
	)			`[protected]`

Get the appropriate data pointer.

virtual void casa::MosaicFT::getFluxImage ( ImageInterface< Float > & image ) [virtual]

Get a flux (divide by this to get a flux density correct image) image if there is one.

Reimplemented from casa::FTMachine.

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

Get the final image: do the Fourier transform and grid-correct, then optionally normalize by the summed weights.

Implements casa::FTMachine.

Reimplemented in casa::MosaicFTNew.

Int casa::MosaicFT::getIndex	(	const ROMSPointingColumns &	mspc,
		const Double &	time,
		const Double &	interval
	)			`[protected]`

void casa::MosaicFT::getWeightImage	(	ImageInterface< Float > &	,
		Matrix< Float > &
	)			`[virtual]`

Get the final weights image.

Implements casa::FTMachine.

Reimplemented in casa::MosaicFTNew.

Bool casa::MosaicFT::getXYPos	(	const VisBuffer &	vb,
		Int	row
	)			`[protected]`

void casa::MosaicFT::girarUVW	(	Matrix< Double > &	uvw,
		Vector< Double > &	dphase,
		const VisBuffer &	vb
	)			`[protected]`

void casa::MosaicFT::init ( ) [protected]

void casa::MosaicFT::initializeToSky	(	ImageInterface< Complex > &	image,
		Matrix< Float > &	weight,
		const VisBuffer &	vb
	)			`[virtual]`

Initialize transform to Sky plane: initializes the image.

Implements casa::FTMachine.

void casa::MosaicFT::initializeToVis	(	ImageInterface< Complex > &	image,
		const VisBuffer &	vb
	)			`[virtual]`

Initialize transform to Visibility plane using the image as a template.

The image is loaded and Fourier transformed.

Implements casa::FTMachine.

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

Can this FTMachine be represented by Fourier convolutions?

Reimplemented from casa::FTMachine.

Definition at line 211 of file MosaicFT.h.

References casacore::True.

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

Make the entire image.

Reimplemented from casa::FTMachine.

virtual String casa::MosaicFT::name ( ) const [virtual]

Return name of this machine.

Implements casa::FTMachine.

Reimplemented in casa::MosaicFTNew.

Int casa::MosaicFT::nint ( Double val ) [inline, protected]

Definition at line 234 of file MosaicFT.h.

References casacore::floor().

virtual void casa::MosaicFT::normalizeImage	(	Lattice< Complex > &	,
		const Matrix< Double > &	,
		Lattice< Float > &	,
		Bool
	)			`[inline, virtual]`

Reimplemented from casa::FTMachine.

Definition at line 191 of file MosaicFT.h.

void casa::MosaicFT::ok ( ) [protected, virtual]

Reimplemented from casa::FTMachine.

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

Assignment operator.

Reimplemented from casa::FTMachine.

void casa::MosaicFT::prepGridForDegrid ( ) [protected]

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

Put coherence to grid by gridding.

Implements casa::FTMachine.

Bool casa::MosaicFT::recordOnGrid	(	const VisBuffer &	vb,
		Int	rownr
	)			const `[protected]`

Is this record on Grid? check both ends.

This assumes that the ends bracket the middle

virtual void casa::MosaicFT::reset ( ) [virtual]

reset weight image

Reimplemented from casa::FTMachine.

void casa::MosaicFT::setConvFunc ( CountedPtr< SimplePBConvFunc > & pbconvFunc )

Copy convolution function etc to another FT machine necessary if ft and ift are distinct but can share convfunctions.

virtual void casa::MosaicFT::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 229 of file MosaicFT.h.

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

Save and restore the MosaicFT to and from a record.

Reimplemented from casa::FTMachine.

virtual Bool casa::MosaicFT::useWeightImage ( ) [inline, virtual]

All FTMachines that fill weightimage, need to set this.

TODO : Make this pure virtual.

Reimplemented from casa::FTMachine.

Definition at line 216 of file MosaicFT.h.

References casacore::True.

Member Data Documentation

CountedPtr<Lattice<Complex> > casa::MosaicFT::arrayLattice [protected]

Array lattice.

Definition at line 275 of file MosaicFT.h.

Long casa::MosaicFT::cachesize [protected]

Sizes.

Definition at line 265 of file MosaicFT.h.

IPosition casa::MosaicFT::centerLoc [protected]

Useful IPositions.

Definition at line 285 of file MosaicFT.h.

Vector<Int> casa::MosaicFT::convChanMap_p [protected]

Definition at line 320 of file MosaicFT.h.

Array<Complex> casa::MosaicFT::convFunc [protected]

Definition at line 312 of file MosaicFT.h.

Vector<Int> casa::MosaicFT::convPolMap_p [protected]

Definition at line 321 of file MosaicFT.h.

Vector<Int> casa::MosaicFT::convRowMap_p [protected]

Definition at line 319 of file MosaicFT.h.

Int casa::MosaicFT::convSampling [protected]

Definition at line 314 of file MosaicFT.h.

Int casa::MosaicFT::convSize [protected]

Definition at line 315 of file MosaicFT.h.

Vector<Int> casa::MosaicFT::convSizePlanes_p [protected]

Definition at line 318 of file MosaicFT.h.

Int casa::MosaicFT::convSupport [protected]

Definition at line 316 of file MosaicFT.h.

Vector<Int> casa::MosaicFT::convSupportPlanes_p [protected]

Definition at line 317 of file MosaicFT.h.

TempImage<Complex>* casa::MosaicFT::convWeightImage_p [protected]

Definition at line 333 of file MosaicFT.h.

DirectionCoordinate casa::MosaicFT::directionCoord [protected]

Definition at line 299 of file MosaicFT.h.

Bool casa::MosaicFT::doneWeightImage_p [protected]

Definition at line 338 of file MosaicFT.h.

Array<Complex> casa::MosaicFT::griddedWeight [protected]

Array for non-tiled gridding.

Definition at line 291 of file MosaicFT.h.

Array<DComplex> casa::MosaicFT::griddedWeight2 [protected]

Definition at line 292 of file MosaicFT.h.

ConvolveGridder<Double, Complex>* casa::MosaicFT::gridder [protected]

Gridder.

Definition at line 269 of file MosaicFT.h.

LatticeCache<Complex>* casa::MosaicFT::imageCache [protected]

Image cache.

Definition at line 262 of file MosaicFT.h.

Bool casa::MosaicFT::isTiled [protected]

Is this tiled?

Definition at line 272 of file MosaicFT.h.

Int casa::MosaicFT::lastIndex_p [protected]

Definition at line 325 of file MosaicFT.h.

CountedPtr<Lattice<Complex> > casa::MosaicFT::lattice [protected]

Lattice.

For non-tiled gridding, this will point to arrayLattice, whereas for tiled gridding, this points to the image

Definition at line 279 of file MosaicFT.h.

String casa::MosaicFT::machineName_p [protected]

Later this.

Definition at line 337 of file MosaicFT.h.

Float casa::MosaicFT::maxAbsData [protected]

Definition at line 282 of file MosaicFT.h.

MSAntennaColumns* casa::MosaicFT::msac [protected]

Antenna columns.

Definition at line 297 of file MosaicFT.h.

MSPointingColumns* casa::MosaicFT::mspc [protected]

Pointing columns.

Definition at line 294 of file MosaicFT.h.

IPosition casa::MosaicFT::offsetLoc [protected]

Definition at line 285 of file MosaicFT.h.

CountedPtr<SimplePBConvFunc> casa::MosaicFT::pbConvFunc_p [protected]

Definition at line 334 of file MosaicFT.h.

CountedPtr<UVWMachine> casa::MosaicFT::phaseShifter_p [protected]

Definition at line 335 of file MosaicFT.h.

Finalize transform to Sky casa::MosaicFT::plane

Definition at line 172 of file MosaicFT.h.

MDirection::Convert* casa::MosaicFT::pointingToImage [protected]

Definition at line 301 of file MosaicFT.h.

Int casa::MosaicFT::priorCacheSize [protected]

Definition at line 307 of file MosaicFT.h.

SkyJones* casa::MosaicFT::sj_p [protected]

Vector<SkyJones *> sj_p;.

Reimplemented from casa::FTMachine.

Definition at line 246 of file MosaicFT.h.

CountedPtr<TempImage<Float> > casa::MosaicFT::skyCoverage_p [protected]

Definition at line 332 of file MosaicFT.h.

String casa::MosaicFT::stokes_p [protected]

Definition at line 339 of file MosaicFT.h.

Int casa::MosaicFT::tilesize [protected]

Definition at line 266 of file MosaicFT.h.

Bool casa::MosaicFT::usezero_p [protected]

Grid/degrid zero spacing points?

Definition at line 310 of file MosaicFT.h.

Vector<Double> casa::MosaicFT::uvOffset [protected]

Definition at line 288 of file MosaicFT.h.

Vector<Double> casa::MosaicFT::uvScale [protected]

Image Scaling and offset.

Definition at line 288 of file MosaicFT.h.

Int casa::MosaicFT::wConvSize [protected]

Definition at line 323 of file MosaicFT.h.

Array<Complex> casa::MosaicFT::weightConvFunc_p [protected]

Definition at line 313 of file MosaicFT.h.

CountedPtr<Lattice<Complex> > casa::MosaicFT::weightLattice [protected]

Definition at line 280 of file MosaicFT.h.

MDirection casa::MosaicFT::worldPosMeas [protected]

Definition at line 305 of file MosaicFT.h.

Vector<Double> casa::MosaicFT::xyPos [protected]

Definition at line 303 of file MosaicFT.h.

The documentation for this class was generated from the following file:

code/synthesis/TransformMachines/MosaicFT.h

casa::MosaicFT Class Reference

Public Member Functions

Public Attributes

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation