casa::vi::VisBufferWrapperAsync2 Class Reference

VisBuffers encapulsate one chunk of visibility data for processing. More...

#include <VisBufferAsyncWrapper2.h>

Inheritance diagram for casa::vi::VisBufferWrapperAsync2:

Public Types
using	nA = =number of antennas nF:==number of frequencies(or channels) nC:==number of correlations nR:==number of table rows contained in the buffer--------------------------------------------------------Accessors for data contained in the main casacore::MeasurementSet main table The actual visibility data are at the end.***N.B.:the VB usually caches the information in the representation requested so that using a setter to modify one value type(e.g., weight or visibility) will not modify the cached value in a different representation(e.g., weightMat or visCube).This should not be a problem in normal usage.*/virtual const casacore::Vector< casacore::Int > &antenna1() const =0
Public Types inherited from casa::vi::VisBuffer2
enum	{ FrameNotSpecified }
using	nA = =number of antennas nF:==number of frequencies(or channels) nC:==number of correlations nR:==number of table rows contained in the buffer--------------------------------------------------------Accessors for data contained in the main casacore::MeasurementSet main table The actual visibility data are at the end.***N.B.:the VB usually caches the information in the representation requested so that using a setter to modify one value type(e.g., weight or visibility) will not modify the cached value in a different representation(e.g., weightMat or visCube).This should not be a problem in normal usage.*/virtual const casacore::Vector< casacore::Int > &antenna1() const =0

Public Member Functions
virtual	~VisBufferWrapperAsync2 ()
	Destructor (detaches from VisIter) More...
virtual void	copy (const VisBuffer2 &other, casacore::Bool fetchIfNeeded)
	More...
virtual void	copyComponents (const VisBuffer2 &other, const VisBufferComponents2 &components, casacore::Bool fetchIfNeeded=true)
	Copies the specified components (or just the one in the cache) from the specified VisBuffer into this one. More...
virtual void	copyCoordinateInfo (const VisBuffer2 *other, casacore::Bool includeDirections, casacore::Bool fetchIfNeeded=true)
	Copies the coordinate components from the specified VisBuffer into this one. More...
virtual void	setShape (casacore::Int nCorrelations, casacore::Int nChannels, casacore::Int nRows)
virtual const VisibilityIterator2 *	getVi () const
	For attached VBs this returns the VI the VB is attached to. More...
virtual casacore::Bool	isAttached () const
virtual casacore::Bool	isFillable () const
virtual void	writeChangesBack ()
	More...
virtual void	dirtyComponentsAdd (const VisBufferComponents2 &additionalDirtyComponents)
virtual void	dirtyComponentsAdd (VisBufferComponent2 component)
virtual void	dirtyComponentsClear ()
virtual VisBufferComponents2	dirtyComponentsGet () const
virtual void	dirtyComponentsSet (const VisBufferComponents2 &dirtyComponents)
virtual void	dirtyComponentsSet (VisBufferComponent2 component)
virtual const casacore::Matrix < casacore::Float > &	imagingWeight () const
	This method returns the imaging weights associated with the VisBuffer. More...
virtual casacore::Double	getFrequency (casacore::Int rowInBuffer, casacore::Int frequencyIndex, casacore::Int frame=FrameNotSpecified) const
	More...
virtual const casacore::Vector < casacore::Double > &	getFrequencies (casacore::Int rowInBuffer, casacore::Int frame=FrameNotSpecified) const
virtual casacore::Int	getChannelNumber (casacore::Int rowInBuffer, casacore::Int frequencyIndex) const
virtual const casacore::Vector < casacore::Int > &	getChannelNumbers (casacore::Int rowInBuffer) const
virtual void	normalize ()
	casacore::Sort/unsort the correlations, if necessary (Rudimentary handling of non-canonically sorted correlations–use with care!) More...
virtual void	resetWeightsUsingSigma ()
	Set the weight cube using the sigma cube. More...
virtual casacore::Bool	isNewArrayId () const
	More...
virtual casacore::Bool	isNewFieldId () const
virtual casacore::Bool	isNewMs () const
virtual casacore::Bool	isNewSpectralWindow () const
virtual casacore::Bool	isWritable () const
virtual casacore::Int	msId () const
virtual casacore::String	msName (casacore::Bool stripPath=false) const
virtual Subchunk	getSubchunk () const
casacore::Data accessors and	setters (where appropriate) There are the methods that allows access to the items cached in the VisBuffer.The straight accessors provide read-only access to the item.Where the item is allowed to be modified
virtual void	setAntenna1 (const casacore::Vector< casacore::Int > &value)=0
virtual const casacore::Vector < casacore::Int > &	antenna2 () const =0
virtual void	setAntenna2 (const casacore::Vector< casacore::Int > &value)=0
virtual const casacore::Vector < casacore::Int > &	arrayId () const =0
virtual void	setArrayId (const casacore::Vector< casacore::Int > &)=0
virtual casacore::Int	dataDescriptionId () const =0
virtual void	setDataDescriptionId (casacore::Int value)=0
virtual const casacore::Vector < casacore::MDirection > &	direction1 () const =0
virtual const casacore::Vector < casacore::MDirection > &	direction2 () const =0
virtual const casacore::Vector < casacore::Double > &	exposure () const =0
virtual void	setExposure (const casacore::Vector< casacore::Double > &value)=0
virtual const casacore::Vector < casacore::Int > &	feed1 () const =0
virtual void	setFeed1 (const casacore::Vector< casacore::Int > &value)=0
virtual const casacore::Vector < casacore::Int > &	feed2 () const =0
virtual void	setFeed2 (const casacore::Vector< casacore::Int > &value)=0
virtual const casacore::Vector < casacore::Int > &	fieldId () const =0
virtual void	setFieldId (const casacore::Vector< casacore::Int > &)=0
virtual const casacore::Matrix < casacore::Bool > &	flag () const =0
virtual void	setFlag (const casacore::Matrix< casacore::Bool > &value)=0
virtual const casacore::Array < casacore::Bool > &	flagCategory () const =0
	virtual const casacore::Matrix<casacore::Bool> & flag () const = 0; // [nF,nR] virtual void setFlag (const casacore::Matrix<casacore::Bool>& value) = 0; // [nF,nR] More...
virtual void	setFlagCategory (const casacore::Array< casacore::Bool > &value)=0
virtual const casacore::Cube < casacore::Bool > &	flagCube () const =0
virtual void	setFlagCube (const casacore::Cube< casacore::Bool > &value)=0
virtual const casacore::Vector < casacore::Bool > &	flagRow () const =0
virtual void	setFlagRow (const casacore::Vector< casacore::Bool > &value)=0
virtual const casacore::Vector < casacore::Int > &	observationId () const =0
virtual void	setObservationId (const casacore::Vector< casacore::Int > &value)=0
virtual const casacore::Vector < casacore::Int > &	processorId () const =0
virtual void	setProcessorId (const casacore::Vector< casacore::Int > &value)=0
virtual const casacore::Vector < casacore::Int > &	scan () const =0
virtual void	setScan (const casacore::Vector< casacore::Int > &value)=0
virtual const casacore::Matrix < casacore::Float > &	sigma () const =0
virtual void	setSigma (const casacore::Matrix< casacore::Float > &value)=0
virtual const casacore::Vector < casacore::Int > &	stateId () const =0
	virtual const casacore::Matrix<casacore::Float> & sigmaMat () const = 0; // [nC,nR] More...
virtual void	setStateId (const casacore::Vector< casacore::Int > &value)=0
virtual const casacore::Vector < casacore::Double > &	time () const =0
virtual void	setTime (const casacore::Vector< casacore::Double > &value)=0
virtual const casacore::Vector < casacore::Double > &	timeCentroid () const =0
virtual void	setTimeCentroid (const casacore::Vector< casacore::Double > &value)=0
virtual const casacore::Vector < casacore::Double > &	timeInterval () const =0
virtual void	setTimeInterval (const casacore::Vector< casacore::Double > &value)=0
virtual const casacore::Matrix < casacore::Double > &	uvw () const =0
virtual void	setUvw (const casacore::Matrix< casacore::Double > &value)=0
virtual const casacore::Matrix < casacore::Float > &	weight () const =0
virtual void	setWeight (const casacore::Matrix< casacore::Float > &value)=0
virtual const casacore::Cube < casacore::Float > &	weightSpectrum () const =0
	virtual const casacore::Matrix<casacore::Float> & weightMat () const = 0; // [nC,nR] virtual void setWeightMat (const casacore::Matrix<casacore::Float>& value) = 0; // [nC,nR] More...
virtual void	setWeightSpectrum (const casacore::Cube< casacore::Float > &value)=0
virtual const casacore::Cube < casacore::Complex > &	visCube () const
	Visibility data accessors in order of observed, corrected, float, & model More...
virtual void	setVisCube (const casacore::Complex &c)
virtual void	setVisCube (const casacore::Cube< casacore::Complex > &)
virtual const casacore::Matrix < CStokesVector > &	vis () const
virtual void	setVis (casacore::Matrix< CStokesVector > &)
virtual const casacore::Cube < casacore::Complex > &	visCubeCorrected () const
	virtual const casacore::Matrix<CStokesVector> & vis () const = 0; // [nF,nR] virtual void setVis (casacore::Matrix<CStokesVector> &) = 0; // [nF,nR] More...
virtual void	setVisCubeCorrected (const casacore::Cube< casacore::Complex > &)
virtual const casacore::Matrix < CStokesVector > &	visCorrected () const
virtual void	setVisCorrected (const casacore::Matrix< CStokesVector > &)
virtual const casacore::Cube < casacore::Float > &	visCubeFloat () const
	virtual const casacore::Matrix<CStokesVector> & visCorrected () const = 0; // [nF,nR] virtual void setVisCorrected (const casacore::Matrix<CStokesVector> &) = 0; // [nF,nR] More...
virtual void	setVisCubeFloat (const casacore::Cube< casacore::Float > &)
virtual const casacore::Cube < casacore::Complex > &	visCubeModel () const
virtual void	setVisCubeModel (const casacore::Complex &c)
virtual void	setVisCubeModel (const casacore::Cube< casacore::Complex > &vis)
virtual void	setVisCubeModel (const casacore::Vector< casacore::Float > &stokes)
virtual const casacore::Matrix < CStokesVector > &	visModel () const
virtual void	setVisModel (casacore::Matrix< CStokesVector > &)
virtual casacore::MDirection	azel0 (casacore::Double time) const
	More...
virtual const casacore::Vector < casacore::MDirection > &	azel (casacore::Double time) const
	Returns the pointing angle for each antenna in the array at the specified time. More...
virtual const casacore::Vector < casacore::SquareMatrix < casacore::Complex, 2 > > &	cjones () const
	Returns the Jones C matrix for each antenna. More...
virtual const casacore::Vector < casacore::Int > &	correlationTypes () const
	Returns the correlation type of each correlation in the VisCube. More...
virtual const casacore::Vector < casacore::Float > &	feedPa (casacore::Double time) const
	Calculates the parallactic angle for the first receptor of each antenna at the specified time. More...
virtual const casacore::Vector < casacore::Float > &	feedPa1 () const
	Calculates the parallactic angle for feed 0 of the row's Antenna1. More...
virtual const casacore::Vector < casacore::Float > &	feedPa2 () const
	Calculates the parallactic angle for feed 0 of the row's Antenna2. More...
virtual casacore::Double	hourang (casacore::Double time) const
	Returns the hour angle of the array at the specified time. More...
virtual casacore::Int	nAntennas () const
virtual casacore::Int	nChannels () const
virtual casacore::Int	nCorrelations () const
	Returns the number of correlations along the visCube correlation axis. More...
virtual casacore::Int	nRows () const
	Returns the number of rows in this VisBuffer. More...
virtual casacore::Float	parang0 (casacore::Double time) const
	Calculates the parallactic angle of the array as a whole at the specified time. More...
virtual const casacore::Vector < casacore::Float > &	parang (casacore::Double time) const
	Calculates the parallactic angle of each antenna in the array at the specified time. More...
virtual const casacore::MDirection &	phaseCenter () const
	Returns the phase center of the array for the specified row. More...
virtual casacore::Int	polarizationFrame () const
	Returns the polarization frame for the specified row. More...
virtual casacore::Int	polarizationId () const
virtual const casacore::Vector < casacore::uInt > &	rowIds () const
	The returned casacore::Vector serves as a map between the rows in the VisBuffer and the row IDs in the underlying casacore::MS main virtual table: mainTableID [i] = rowIds () [ i];. More...
virtual casacore::Int	spectralWindow () const
	Returns the spectral window ID for the specified row. More...
Public Member Functions inherited from casa::vi::VisBuffer2
	VisBuffer2 (const VisBuffer2 &)=delete
	make noncopyable... More...
VisBuffer2 &	operator= (const VisBuffer2 &)=delete
	VisBuffer2 ()
virtual	~VisBuffer2 ()
	Used by framework. More...
virtual ms::MsRow *	getRow (casacore::Int row) const
virtual ms::MsRow *	getRowMutable (casacore::Int row)
virtual void	copyComponents (const VisBuffer2 &other, const VisBufferComponents2 &components, casacore::Bool allowShapeChange=false, casacore::Bool fetchIfNeeded=true)=0
	Copies the specified components (or just the ones in the cache if fetchIfNeeded is false) from the specified VisBuffer into this one. More...
virtual void	copyCoordinateInfo (const VisBuffer2 *other, casacore::Bool includeDirections, casacore::Bool allowShapeChange=false, casacore::Bool fetchIfNeeded=true)=0
	Copies the coordinate components (or just the ones in the cache if fetchIfNeeded is false) from the specified VisBuffer into this one. More...
virtual void	setShape (casacore::Int nCorrelations, casacore::Int nChannels, casacore::Int nRows, casacore::Bool clearCache=false)=0
virtual void	validateShapes () const =0
virtual const casacore::MeasurementSet &	ms () const
virtual const vi::SubtableColumns &	subtableColumns () const
virtual casacore::Bool	existsColumn (VisBufferComponent2 id) const =0
virtual void	initWeightSpectrum (const casacore::Cube< casacore::Float > &wtspec)=0
virtual void	initSigmaSpectrum (const casacore::Cube< casacore::Float > &sigspec)=0
virtual void	setImagingWeight (const casacore::Matrix< casacore::Float > &newImagingWeights)=0
virtual casacore::Vector < casacore::Stokes::StokesTypes >	getCorrelationTypesDefined () const =0
	More...
virtual casacore::Vector < casacore::Stokes::StokesTypes >	getCorrelationTypesSelected () const =0
virtual casacore::Vector < casacore::Int >	getCorrelationTypes () const =0
virtual casacore::Vector < casacore::Int >	getChannelNumbersSelected (casacore::Int outputChannelIndex) const =0
virtual void	phaseCenterShift (const casacore::Vector< casacore::Double > &phase)=0
	Rotate visibility phase for given vector (dim = nrow of vb) of phases (metres) More...
virtual void	phaseCenterShift (casacore::Double dx, casacore::Double dy)=0
	Rotate visibility phase for phase center offsets (arcsecs) More...
casacore::Data accessors and	setters (where appropriate) There are the methods that allows access to the items cached in the VisBuffer.The straight accessors provide read-only access to the item.Where the item is allowed to be modified
virtual const casacore::Vector < casacore::Int > &	dataDescriptionIds () const =0
	virtual casacore::Int dataDescriptionId () const = 0; virtual void setDataDescriptionId (casacore::Int value) = 0; More...
virtual void	setDataDescriptionIds (const casacore::Vector< casacore::Int > &)=0
virtual const casacore::Cube < casacore::Float > &	sigmaSpectrum () const =0
virtual void	setSigmaSpectrum (const casacore::Cube< casacore::Float > &value)=0
virtual casacore::Float	getWeightScaled (casacore::Int row) const =0
	virtual const casacore::Matrix<CStokesVector> & visModel () const = 0; // [nF,nR] virtual void setVisModel (casacore::Matrix<CStokesVector> &) = 0; // [nF,nR] More...
virtual casacore::Float	getWeightScaled (casacore::Int correlation, casacore::Int row) const =0
virtual casacore::Float	getWeightScaled (casacore::Int correlation, casacore::Int channel, casacore::Int row) const =0
virtual casacore::Float	getSigmaScaled (casacore::Int row) const =0
virtual casacore::Float	getSigmaScaled (casacore::Int correlation, casacore::Int row) const =0
virtual casacore::Float	getSigmaScaled (casacore::Int correlation, casacore::Int channel, casacore::Int row) const =0
virtual casacore::IPosition	getShape () const =0
virtual const casacore::Vector < casacore::Int > &	spectralWindows () const =0
	Returns the spectral window ID for the specified row. More...
virtual void	setSpectralWindows (const casacore::Vector< casacore::Int > &spectralWindows)=0
virtual casacore::CountedPtr < WeightScaling >	getWeightScaling () const =0

Protected Member Functions
	VisBufferWrapperAsync2 (VisibilityIterator2 &iter)
VisBuffer2 *	getWrappedVisBuffer () const
void	wrap (VisBuffer2 *vba)
Protected Member Functions inherited from casa::vi::VisBuffer2
virtual void	associateWithVi2 (const VisibilityIterator2 *)
virtual void	configureNewSubchunk (casacore::Int msId, const casacore::String &msName, casacore::Bool isNewMs, casacore::Bool isNewArrayId, casacore::Bool isNewFieldId, casacore::Bool isNewSpectralWindow, const Subchunk &subchunk, casacore::Int nRows, casacore::Int nChannels, casacore::Int nCorrelations, const casacore::Vector< casacore::Int > &correlations, const casacore::Vector< casacore::Stokes::StokesTypes > &correlationsDefined, const casacore::Vector< casacore::Stokes::StokesTypes > &correlationsSelected, casacore::CountedPtr< WeightScaling > weightScaling)=0
virtual void	invalidate ()=0
virtual casacore::Bool	isRekeyable () const =0
virtual void	setFillable (casacore::Bool isFillable)=0
virtual void	setRekeyable (casacore::Bool isRekeable)=0
virtual bool	setWritability (bool)
virtual casacore::Vector < casacore::Bool > &	flagRowRef ()=0
virtual casacore::Cube < casacore::Bool > &	flagCubeRef ()=0
virtual casacore::Cube < casacore::Complex > &	visCubeRef ()=0
virtual casacore::Cube < casacore::Complex > &	visCubeCorrectedRef ()=0
virtual casacore::Cube < casacore::Complex > &	visCubeModelRef ()=0
virtual casacore::Cube < casacore::Float > &	weightSpectrumRef ()=0

Private Attributes
VisBuffer2 *	wrappedVb_p
VisibilityIterator2 *	wrappedVisIterAsync_p

Friends
class	ViReadImplAsync

Additional Inherited Members
Static Public Member Functions inherited from casa::vi::VisBuffer2
static VisBuffer2 *	factory (VisBufferOptions vbOptions=VbNoOptions)

Detailed Description

VisBuffers encapulsate one chunk of visibility data for processing.

Intended use:

Public interface

Prerequisite

• VisSet
• VisibilityIterator

Etymology

VisBuffer is a buffer for visibility data

Synopsis

This class contains 'one iteration' of the VisibilityIterator It is a modifiable buffer of values to which calibration and averaging can be applied. This allows processing of the data in larger blocks, avoiding some overheads for processing per visibility point or spectrum.

See MeasurementEquations for more details on how the VisBuffer is to be used.

To Do

• reconcile vis/visCube usage: visCube, flagCube and weightMatrix are currently only correct when this VisBuffer got them from a VisIter, operations like -=, freqAverage() are only done for visibility() and flag().

Definition at line 77 of file VisBufferAsyncWrapper2.h.

Member Typedef Documentation

using casa::vi::VisBufferWrapperAsync2::nA = = number of antennas nF :== number of frequencies (or channels) nC :== number of correlations nR :== number of table rows contained in the buffer -------------------------------------------------------- Accessors for data contained in the main casacore::MeasurementSet main table The actual visibility data are at the end. *** N.B.: the VB usually caches the information in the representation requested so that using a setter to modify one value type (e.g., weight or visibility) will not modify the cached value in a different representation (e.g., weightMat or visCube). This should not be a problem in normal usage. */ virtual const casacore::Vector<casacore::Int> & antenna1 () const = 0

Definition at line 271 of file VisBufferAsyncWrapper2.h.

Constructor & Destructor Documentation

virtual casa::vi::VisBufferWrapperAsync2::~VisBufferWrapperAsync2 ( )

virtual

Destructor (detaches from VisIter)

casa::vi::VisBufferWrapperAsync2::VisBufferWrapperAsync2 ( VisibilityIterator2 &  iter )

protected

Member Function Documentation

virtual const casacore::Vector<casacore::Int>& casa::vi::VisBufferWrapperAsync2::antenna2 ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Int>& casa::vi::VisBufferWrapperAsync2::arrayId ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::MDirection>& casa::vi::VisBufferWrapperAsync2::azel ( casacore::Double  time ) const

virtual

Returns the pointing angle for each antenna in the array at the specified time.

Implements casa::vi::VisBuffer2.

virtual casacore::MDirection casa::vi::VisBufferWrapperAsync2::azel0 ( casacore::Double  time ) const

virtual

---

Accessors for data derived from the casacore::MS main table data

Returns the pointing angle for the array as a whole at the specified time.

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::SquareMatrix<casacore::Complex, 2> >& casa::vi::VisBufferWrapperAsync2::cjones ( ) const

virtual

Returns the Jones C matrix for each antenna.

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::copy ( const VisBuffer2 &  other, casacore::Bool  fetchIfNeeded  )

virtual

---

Copying methods

These methods allow copying portions of the data between two VisBuffers. Because of the complicated semantics of a VisBuffer the assignment and copy-construction methods are not used as they are likely to confuse VisBuffer users.

Copies all of the components from the specified VisBuffer into this one. Uncached values will be cleared in this VB.

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::copyComponents ( const VisBuffer2 &  other, const VisBufferComponents2 &  components, casacore::Bool  fetchIfNeeded = true  )

virtual

Copies the specified components (or just the one in the cache) from the specified VisBuffer into this one.

virtual void casa::vi::VisBufferWrapperAsync2::copyCoordinateInfo ( const VisBuffer2 *  other, casacore::Bool  includeDirections, casacore::Bool  fetchIfNeeded = true  )

virtual

Copies the coordinate components from the specified VisBuffer into this one.

Depending on includeDirections the direction related ones are copied or not.

virtual const casacore::Vector<casacore::Int>& casa::vi::VisBufferWrapperAsync2::correlationTypes ( ) const

virtual

Returns the correlation type of each correlation in the VisCube.

Implements casa::vi::VisBuffer2.

virtual casacore::Int casa::vi::VisBufferWrapperAsync2::dataDescriptionId ( ) const

pure virtual

virtual const casacore::Vector<casacore::MDirection>& casa::vi::VisBufferWrapperAsync2::direction1 ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::MDirection>& casa::vi::VisBufferWrapperAsync2::direction2 ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::dirtyComponentsAdd ( const VisBufferComponents2 &  additionalDirtyComponents )

virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::dirtyComponentsAdd ( VisBufferComponent2  component )

virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::dirtyComponentsClear ( )

virtual

Implements casa::vi::VisBuffer2.

virtual VisBufferComponents2 casa::vi::VisBufferWrapperAsync2::dirtyComponentsGet ( ) const

virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::dirtyComponentsSet ( const VisBufferComponents2 &  dirtyComponents )

virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::dirtyComponentsSet ( VisBufferComponent2  component )

virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Double>& casa::vi::VisBufferWrapperAsync2::exposure ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Int>& casa::vi::VisBufferWrapperAsync2::feed1 ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Int>& casa::vi::VisBufferWrapperAsync2::feed2 ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Float>& casa::vi::VisBufferWrapperAsync2::feedPa ( casacore::Double  time ) const

virtual

Calculates the parallactic angle for the first receptor of each antenna at the specified time.

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Float>& casa::vi::VisBufferWrapperAsync2::feedPa1 ( ) const

virtual

Calculates the parallactic angle for feed 0 of the row's Antenna1.

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Float>& casa::vi::VisBufferWrapperAsync2::feedPa2 ( ) const

virtual

Calculates the parallactic angle for feed 0 of the row's Antenna2.

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Int>& casa::vi::VisBufferWrapperAsync2::fieldId ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Matrix<casacore::Bool>& casa::vi::VisBufferWrapperAsync2::flag ( ) const

pure virtual

virtual const casacore::Array<casacore::Bool>& casa::vi::VisBufferWrapperAsync2::flagCategory ( ) const

pure virtual

virtual const casacore::Matrix<casacore::Bool> & flag () const = 0; // [nF,nR] virtual void setFlag (const casacore::Matrix<casacore::Bool>& value) = 0; // [nF,nR]

Implements casa::vi::VisBuffer2.

virtual const casacore::Cube<casacore::Bool>& casa::vi::VisBufferWrapperAsync2::flagCube ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Bool>& casa::vi::VisBufferWrapperAsync2::flagRow ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual casacore::Int casa::vi::VisBufferWrapperAsync2::getChannelNumber ( casacore::Int  rowInBuffer, casacore::Int  frequencyIndex  ) const

virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Int>& casa::vi::VisBufferWrapperAsync2::getChannelNumbers ( casacore::Int  rowInBuffer ) const

virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Double>& casa::vi::VisBufferWrapperAsync2::getFrequencies ( casacore::Int  rowInBuffer, casacore::Int  frame = FrameNotSpecified  ) const

virtual

Implements casa::vi::VisBuffer2.

virtual casacore::Double casa::vi::VisBufferWrapperAsync2::getFrequency ( casacore::Int  rowInBuffer, casacore::Int  frequencyIndex, casacore::Int  frame = FrameNotSpecified  ) const

virtual

---

Frequency reporting methods.

These methods provide information about the frequencies returned in the visibility cubes. The information can returned as the channel numbers (numbered as in the underlying casacore::MS data) or in a frame-based frequency. This information reported need not be in the same frame of reference used to select the data. If the frame of reference is specified in the call, then that is the frame that is used to calculate the frequencies. If it is not specified, then the VisibilityIterator will be queried for virtual the reportingFrame; if the user has specified a reporting frame to the virtual VI then that frame will be used; otherwise the frame used to select the frequencies will be used. If the user provides no frequency selection to the VI then the selection frame will TOPO.

Both the channelNumber and frequency reporting methods come in two versions: one returns a single frequency for the specified frequency index and row while the other provides all of the frequencies for the specified row. The frequency index is the zero-based index along the frequency axis of a visibility cube.

Implements casa::vi::VisBuffer2.

virtual Subchunk casa::vi::VisBufferWrapperAsync2::getSubchunk ( ) const

virtual

Implements casa::vi::VisBuffer2.

virtual const VisibilityIterator2* casa::vi::VisBufferWrapperAsync2::getVi ( ) const

virtual

For attached VBs this returns the VI the VB is attached to.

For free VBs this method returns false.

Reimplemented from casa::vi::VisBuffer2.

VisBuffer2* casa::vi::VisBufferWrapperAsync2::getWrappedVisBuffer ( ) const

protected

virtual casacore::Double casa::vi::VisBufferWrapperAsync2::hourang ( casacore::Double  time ) const

virtual

Returns the hour angle of the array at the specified time.

Implements casa::vi::VisBuffer2.

virtual const casacore::Matrix<casacore::Float>& casa::vi::VisBufferWrapperAsync2::imagingWeight ( ) const

virtual

This method returns the imaging weights associated with the VisBuffer.

If an imaging weight generator has not been supplied to the associated VisibilityIterator then this method will throw an exception.

Implements casa::vi::VisBuffer2.

virtual casacore::Bool casa::vi::VisBufferWrapperAsync2::isAttached ( ) const

virtual

Implements casa::vi::VisBuffer2.

virtual casacore::Bool casa::vi::VisBufferWrapperAsync2::isFillable ( ) const

virtual

Implements casa::vi::VisBuffer2.

virtual casacore::Bool casa::vi::VisBufferWrapperAsync2::isNewArrayId ( ) const

virtual

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Subhchunk information methods

These methods provide information related to the current subchunk. The isNewXXX methods return true if the XXX property of the subchunk differs from the previous subchunk.

The methods msId and msName provide information about the MS related to the current subchunk. The msID is the zero-based index of the casacore::MS in the sequence of MSs being iterated over.

The isWritable method is true when the attached iterator is writable and false otherwise.

The isRekeyable method is true when the VisBuffer is writable and also allows the modification of non-data fields (e.g., antenna1, fieldId, etc.) A rekeyable VB is one that could be used to create data for a brand new MS.

Implements casa::vi::VisBuffer2.

virtual casacore::Bool casa::vi::VisBufferWrapperAsync2::isNewFieldId ( ) const

virtual

Implements casa::vi::VisBuffer2.

virtual casacore::Bool casa::vi::VisBufferWrapperAsync2::isNewMs ( ) const

virtual

Implements casa::vi::VisBuffer2.

virtual casacore::Bool casa::vi::VisBufferWrapperAsync2::isNewSpectralWindow ( ) const

virtual

Implements casa::vi::VisBuffer2.

virtual casacore::Bool casa::vi::VisBufferWrapperAsync2::isWritable ( ) const

virtual

Implements casa::vi::VisBuffer2.

virtual casacore::Int casa::vi::VisBufferWrapperAsync2::msId ( ) const

virtual

Implements casa::vi::VisBuffer2.

virtual casacore::String casa::vi::VisBufferWrapperAsync2::msName ( casacore::Bool  stripPath = false ) const

virtual

Implements casa::vi::VisBuffer2.

virtual casacore::Int casa::vi::VisBufferWrapperAsync2::nAntennas ( ) const

virtual

Implements casa::vi::VisBuffer2.

virtual casacore::Int casa::vi::VisBufferWrapperAsync2::nChannels ( ) const

virtual

Implements casa::vi::VisBuffer2.

virtual casacore::Int casa::vi::VisBufferWrapperAsync2::nCorrelations ( ) const

virtual

Returns the number of correlations along the visCube correlation axis.

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::normalize ( )

virtual

casacore::Sort/unsort the correlations, if necessary (Rudimentary handling of non-canonically sorted correlations–use with care!)

The sorting functionality is a horrible kluge that puts the VisBuffer into a somewhat incoherent state (e.g., after sorting the correlation types array does not correspond to the data) and appears to serve the needs of a tiny piece of code. As such, this refactor is initially not going to support this functionality since it is probably better implemented in the one place that actually needs it. (jjacobs 10/3/12)

virtual void sortCorr (); virtual void unSortCorr();

Normalize the visCube by the modelVisCube.

Implements casa::vi::VisBuffer2.

virtual casacore::Int casa::vi::VisBufferWrapperAsync2::nRows ( ) const

virtual

Returns the number of rows in this VisBuffer.

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Int>& casa::vi::VisBufferWrapperAsync2::observationId ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Float>& casa::vi::VisBufferWrapperAsync2::parang ( casacore::Double  time ) const

virtual

Calculates the parallactic angle of each antenna in the array at the specified time.

Implements casa::vi::VisBuffer2.

virtual casacore::Float casa::vi::VisBufferWrapperAsync2::parang0 ( casacore::Double  time ) const

virtual

Calculates the parallactic angle of the array as a whole at the specified time.

Implements casa::vi::VisBuffer2.

virtual const casacore::MDirection& casa::vi::VisBufferWrapperAsync2::phaseCenter ( ) const

virtual

Returns the phase center of the array for the specified row.

Implements casa::vi::VisBuffer2.

virtual casacore::Int casa::vi::VisBufferWrapperAsync2::polarizationFrame ( ) const

virtual

Returns the polarization frame for the specified row.

Implements casa::vi::VisBuffer2.

virtual casacore::Int casa::vi::VisBufferWrapperAsync2::polarizationId ( ) const

virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Int>& casa::vi::VisBufferWrapperAsync2::processorId ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::resetWeightsUsingSigma ( )

virtual

Set the weight cube using the sigma cube.

Each weight will be the reciprocal of the square of the corresponding element in the model VisCube multiplied by the number of channels in the spectral window. If an element in sigma is zero then the corresponding weight element will also be set to zero.

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::uInt>& casa::vi::VisBufferWrapperAsync2::rowIds ( ) const

virtual

The returned casacore::Vector serves as a map between the rows in the VisBuffer and the row IDs in the underlying casacore::MS main virtual table: mainTableID [i] = rowIds () [ i];.

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Int>& casa::vi::VisBufferWrapperAsync2::scan ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setAntenna1 ( const casacore::Vector< casacore::Int > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setAntenna2 ( const casacore::Vector< casacore::Int > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setArrayId ( const casacore::Vector< casacore::Int > &  )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setDataDescriptionId ( casacore::Int  value )

pure virtual

virtual void casa::vi::VisBufferWrapperAsync2::setExposure ( const casacore::Vector< casacore::Double > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setFeed1 ( const casacore::Vector< casacore::Int > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setFeed2 ( const casacore::Vector< casacore::Int > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setFieldId ( const casacore::Vector< casacore::Int > &  )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setFlag ( const casacore::Matrix< casacore::Bool > &  value )

pure virtual

virtual void casa::vi::VisBufferWrapperAsync2::setFlagCategory ( const casacore::Array< casacore::Bool > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setFlagCube ( const casacore::Cube< casacore::Bool > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setFlagRow ( const casacore::Vector< casacore::Bool > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setObservationId ( const casacore::Vector< casacore::Int > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setProcessorId ( const casacore::Vector< casacore::Int > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setScan ( const casacore::Vector< casacore::Int > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setShape ( casacore::Int  nCorrelations, casacore::Int  nChannels, casacore::Int  nRows  )

virtual

virtual void casa::vi::VisBufferWrapperAsync2::setSigma ( const casacore::Matrix< casacore::Float > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setStateId ( const casacore::Vector< casacore::Int > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

casacore::Data accessors and casa::vi::VisBufferWrapperAsync2::setters

(

where

appropriate

)

virtual void casa::vi::VisBufferWrapperAsync2::setTime ( const casacore::Vector< casacore::Double > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setTimeCentroid ( const casacore::Vector< casacore::Double > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setTimeInterval ( const casacore::Vector< casacore::Double > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setUvw ( const casacore::Matrix< casacore::Double > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setVis ( casacore::Matrix< CStokesVector > &  )

virtual

virtual void casa::vi::VisBufferWrapperAsync2::setVisCorrected ( const casacore::Matrix< CStokesVector > &  )

virtual

virtual void casa::vi::VisBufferWrapperAsync2::setVisCube ( const casacore::Complex &  c )

virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setVisCube ( const casacore::Cube< casacore::Complex > &  )

virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setVisCubeCorrected ( const casacore::Cube< casacore::Complex > &  )

virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setVisCubeFloat ( const casacore::Cube< casacore::Float > &  )

virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setVisCubeModel ( const casacore::Complex &  c )

virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setVisCubeModel ( const casacore::Cube< casacore::Complex > &  vis )

virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setVisCubeModel ( const casacore::Vector< casacore::Float > &  stokes )

virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setVisModel ( casacore::Matrix< CStokesVector > &  )

virtual

virtual void casa::vi::VisBufferWrapperAsync2::setWeight ( const casacore::Matrix< casacore::Float > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual void casa::vi::VisBufferWrapperAsync2::setWeightSpectrum ( const casacore::Cube< casacore::Float > &  value )

pure virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Matrix<casacore::Float>& casa::vi::VisBufferWrapperAsync2::sigma ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual casacore::Int casa::vi::VisBufferWrapperAsync2::spectralWindow ( ) const

virtual

Returns the spectral window ID for the specified row.

virtual const casacore::Vector<casacore::Int>& casa::vi::VisBufferWrapperAsync2::stateId ( ) const

pure virtual

virtual const casacore::Matrix<casacore::Float> & sigmaMat () const = 0; // [nC,nR]

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Double>& casa::vi::VisBufferWrapperAsync2::time ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Double>& casa::vi::VisBufferWrapperAsync2::timeCentroid ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Vector<casacore::Double>& casa::vi::VisBufferWrapperAsync2::timeInterval ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Matrix<casacore::Double>& casa::vi::VisBufferWrapperAsync2::uvw ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Matrix<CStokesVector>& casa::vi::VisBufferWrapperAsync2::vis ( ) const

virtual

virtual const casacore::Matrix<CStokesVector>& casa::vi::VisBufferWrapperAsync2::visCorrected ( ) const

virtual

virtual const casacore::Cube<casacore::Complex>& casa::vi::VisBufferWrapperAsync2::visCube ( ) const

virtual

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Visibility data accessors in order of observed, corrected, float, & model

Implements casa::vi::VisBuffer2.

virtual const casacore::Cube<casacore::Complex>& casa::vi::VisBufferWrapperAsync2::visCubeCorrected ( ) const

virtual

virtual const casacore::Matrix<CStokesVector> & vis () const = 0; // [nF,nR] virtual void setVis (casacore::Matrix<CStokesVector> &) = 0; // [nF,nR]

Implements casa::vi::VisBuffer2.

virtual const casacore::Cube<casacore::Float>& casa::vi::VisBufferWrapperAsync2::visCubeFloat ( ) const

virtual

virtual const casacore::Matrix<CStokesVector> & visCorrected () const = 0; // [nF,nR] virtual void setVisCorrected (const casacore::Matrix<CStokesVector> &) = 0; // [nF,nR]

Implements casa::vi::VisBuffer2.

virtual const casacore::Cube<casacore::Complex>& casa::vi::VisBufferWrapperAsync2::visCubeModel ( ) const

virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Matrix<CStokesVector>& casa::vi::VisBufferWrapperAsync2::visModel ( ) const

virtual

virtual const casacore::Matrix<casacore::Float>& casa::vi::VisBufferWrapperAsync2::weight ( ) const

pure virtual

Implements casa::vi::VisBuffer2.

virtual const casacore::Cube<casacore::Float>& casa::vi::VisBufferWrapperAsync2::weightSpectrum ( ) const

pure virtual

virtual const casacore::Matrix<casacore::Float> & weightMat () const = 0; // [nC,nR] virtual void setWeightMat (const casacore::Matrix<casacore::Float>& value) = 0; // [nC,nR]

Implements casa::vi::VisBuffer2.

void casa::vi::VisBufferWrapperAsync2::wrap ( VisBuffer2 *  vba )

protected

virtual void casa::vi::VisBufferWrapperAsync2::writeChangesBack ( )

virtual

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Dirty component methods

The dirtyComponent methods support the data-flow approach to using VisBuffers (the Visibility Processing Framework). In this approach a VisBuffer is passed to successive processing nodes (e.g., applycal, flagging, etc.) which operate on it and pass it on to the next node in the algorithm. The dirtyComponents mechanism allows a processing node to mark portions of the VisBuffer as modified. If the VisBuffer reaches an write-to-disk node then the modified portions of the VisBuffer will be written out. The user can also explicitly direct that the changes be written out using the writeChangesBack method.

Using a setter on a VisBuffer component will also set the dirty flag for that component. Normally the user should not need to use these methods; however, they are available in case unexpected situations should arise in the future.

Implements casa::vi::VisBuffer2.

Friends And Related Function Documentation

friend class ViReadImplAsync

friend

Definition at line 79 of file VisBufferAsyncWrapper2.h.

Member Data Documentation

VisBuffer2* casa::vi::VisBufferWrapperAsync2::wrappedVb_p

private

Definition at line 444 of file VisBufferAsyncWrapper2.h.

VisibilityIterator2* casa::vi::VisBufferWrapperAsync2::wrappedVisIterAsync_p

private

Definition at line 445 of file VisBufferAsyncWrapper2.h.

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

• casa/code/msvis/MSVis/VisBufferAsyncWrapper2.h