casa::MSCache Class Reference

#include <MSCache.h>

Inheritance diagram for casa::MSCache:

Public Member Functions
	MSCache (PlotMSApp *parent)
	Constructor which takes parent PlotMS.
virtual	~MSCache ()
	Destructor.
PlotMSCacheBase::Type	cacheType () const
	Identify myself.
void	setFilename (String filename)
	...not yet MS-specific.
virtual String	polname (Int ipol)
	Access to pol names.
Protected Member Functions
virtual void	loadIt (vector< PMS::Axis > &loadAxes, vector< PMS::DataColumn > &loadData, ThreadCommunication *thread=NULL)
	MS-specific loadIt method.
virtual bool	isEphemeris ()
	Returns whether or not the ephemeris data has been attached to a field - radial velocity and rho.
Private Member Functions
	MSCache (const MSCache &)
	Forbid copy for now.
String	getDataColumn (vector< PMS::Axis > &loadAxes, vector< PMS::DataColumn > &loadData)
	Set up.
PMS::DataColumn	checkReqDataColumn (PMS::DataColumn reqDataCol)
String	checkLoadedAxesDatacol ()
String	normalizeColumnName (String plotmscol)
void	getNamesFromMS (MeasurementSet &ms)
void	logChansForSpws (MeasurementSet &ms, Int chanVal)
void	setUpVisIter (PlotMSSelection &selection, PlotMSCalibration &calibration, String dataColumn, Bool interactive=False, Bool estimateMemory=False, ThreadCommunication *thread=NULL)
vi::VisibilityIterator2 *	setUpVisIter (MeasurementSet &selectedMS, Vector< Vector< Slice > > chansel, Vector< Vector< Slice > > corrsel)
void	setUpFrequencySelectionChannels (vi::FrequencySelectionUsingChannels fs, Vector< Vector< Slice > > chansel)
void	deleteVi ()
	clean up
void	deleteVm ()
void	loadError (String mesg)
bool	countChunks (vi::VisibilityIterator2 &vi, Vector< Int > &nIterPerAve, ThreadCommunication *thread)
	Estimate cache size for averaging.
void	updateEstimateProgress (ThreadCommunication *thread)
void	trapExcessVolume (map< PMS::Axis, Bool > pendingLoadAxes)
	Trap attempt to use to much memory (too many points).
void	loadChunks (vi::VisibilityIterator2 &vi, const vector< PMS::Axis > loadAxes, const vector< PMS::DataColumn > loadData, ThreadCommunication *thread)
	Loop over VisIter, filling the cache.
void	loadChunks (vi::VisibilityIterator2 &vi, const PlotMSAveraging &averaging, const Vector< Int > &nIterPerAve, const vector< PMS::Axis > loadAxes, const vector< PMS::DataColumn > loadData, ThreadCommunication *thread)
void	updateProgress (ThreadCommunication *thread, Int chunk)
void	forceVBread (vi::VisBuffer2 *vb, vector< PMS::Axis > loadAxes, vector< PMS::DataColumn > loadData)
	Force read on vb for requested axes (so pre-cache averaging treats all data it should).
void	discernData (vector< PMS::Axis > loadAxes, vector< PMS::DataColumn > loadData, PlotMSVBAverager &vba)
	Tell time averager which data column to read.
void	loadAxis (vi::VisBuffer2 *vb, Int vbnum, PMS::Axis axis, PMS::DataColumn data=PMS::DEFAULT_DATACOLUMN)
	Loads the specific axis/metadata into the cache using the given VisBuffer.
virtual void	flagToDisk (const PlotMSFlagging &flagging, Vector< Int > &chunks, Vector< Int > &relids, Bool setFlag, PlotMSIndexer *indexer, int dataIndex)
	Set flags in the MS.
void	mapIntentNamesToIds ()
Vector< Int >	assignIntentIds (Vector< Int > &stateIds)
	Use map to assign intent ids.
Vector< Double >	calcVelocity (vi::VisBuffer2 *vb)
bool	useAveragedVisBuffer (PMS::Axis axis)
	For averaging done by PlotMSVBAverager; Some axes need to come from VB2 attached to VI2.
Private Attributes
std::vector< IPosition >	visBufferShapes_
String	dataColumn_
	Datacolumn to use (requested or "adjusted").
map< String, Int >	intentIds_
	Create map of intent names to "intent ids" since state ids can duplicate intents.
Vector< Int >	nVBPerAve_
	Provisional flagging helpers.
vi::VisibilityIterator2 *	vi_p
	VisIterator pointer.
MSCacheVolMeter *	vm_
	Volume meter for volume calculation.
bool	ephemerisAvailable
Friends
class	PlotMSIndexer
	Friend class declarations.

Detailed Description

Definition at line 54 of file MSCache.h.

Constructor & Destructor Documentation

casa::MSCache::MSCache ( PlotMSApp * parent )

Constructor which takes parent PlotMS.

virtual casa::MSCache::~MSCache ( ) [virtual]

Destructor.

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

Forbid copy for now.

Member Function Documentation

Vector<Int> casa::MSCache::assignIntentIds ( Vector< Int > & stateIds ) [private]

Use map to assign intent ids.

PlotMSCacheBase::Type casa::MSCache::cacheType ( ) const [inline, virtual]

Identify myself.

Implements casa::PlotMSCacheBase.

Definition at line 68 of file MSCache.h.

References casa::PlotMSCacheBase::MS.

Vector<Double> casa::MSCache::calcVelocity ( vi::VisBuffer2 * vb ) [private]

String casa::MSCache::checkLoadedAxesDatacol ( ) [private]

PMS::DataColumn casa::MSCache::checkReqDataColumn ( PMS::DataColumn reqDataCol ) [private]

bool casa::MSCache::countChunks	(	vi::VisibilityIterator2 &	vi,
		Vector< Int > &	nIterPerAve,
		ThreadCommunication *	thread
	)			`[private]`

Estimate cache size for averaging.

void casa::MSCache::deleteVi ( ) [private]

clean up

void casa::MSCache::deleteVm ( ) [private]

void casa::MSCache::discernData	(	vector< PMS::Axis >	loadAxes,
		vector< PMS::DataColumn >	loadData,
		PlotMSVBAverager &	vba
	)			`[private]`

Tell time averager which data column to read.

virtual void casa::MSCache::flagToDisk	(	const PlotMSFlagging &	flagging,
		Vector< Int > &	chunks,
		Vector< Int > &	relids,
		Bool	setFlag,
		PlotMSIndexer *	indexer,
		int	dataIndex
	)			`[private, virtual]`

Set flags in the MS.

Implements casa::PlotMSCacheBase.

void casa::MSCache::forceVBread	(	vi::VisBuffer2 *	vb,
		vector< PMS::Axis >	loadAxes,
		vector< PMS::DataColumn >	loadData
	)			`[private]`

Force read on vb for requested axes (so pre-cache averaging treats all data it should).

String casa::MSCache::getDataColumn	(	vector< PMS::Axis > &	loadAxes,
		vector< PMS::DataColumn > &	loadData
	)			`[private]`

Set up.

void casa::MSCache::getNamesFromMS ( MeasurementSet & ms ) [private]

virtual bool casa::MSCache::isEphemeris ( ) [protected, virtual]

Returns whether or not the ephemeris data has been attached to a field - radial velocity and rho.

Reimplemented from casa::PlotMSCacheBase.

void casa::MSCache::loadAxis	(	vi::VisBuffer2 *	vb,
		Int	vbnum,
		PMS::Axis	axis,
		PMS::DataColumn	data = `PMS::DEFAULT_DATACOLUMN`
	)			`[private]`

Loads the specific axis/metadata into the cache using the given VisBuffer.

void casa::MSCache::loadChunks	(	vi::VisibilityIterator2 &	vi,
		const PlotMSAveraging &	averaging,
		const Vector< Int > &	nIterPerAve,
		const vector< PMS::Axis >	loadAxes,
		const vector< PMS::DataColumn >	loadData,
		ThreadCommunication *	thread
	)			`[private]`

void casa::MSCache::loadChunks	(	vi::VisibilityIterator2 &	vi,
		const vector< PMS::Axis >	loadAxes,
		const vector< PMS::DataColumn >	loadData,
		ThreadCommunication *	thread
	)			`[private]`

Loop over VisIter, filling the cache.

void casa::MSCache::loadError ( String mesg ) [private]

virtual void casa::MSCache::loadIt	(	vector< PMS::Axis > &	loadAxes,
		vector< PMS::DataColumn > &	loadData,
		ThreadCommunication *	thread = `NULL`
	)			`[protected, virtual]`

MS-specific loadIt method.

void casa::MSCache::logChansForSpws	(	MeasurementSet &	ms,
		Int	chanVal
	)			`[private]`

void casa::MSCache::mapIntentNamesToIds ( ) [private]

String casa::MSCache::normalizeColumnName ( String plotmscol ) [private]

virtual String casa::MSCache::polname ( Int ipol ) [virtual]

Access to pol names.

Implements casa::PlotMSCacheBase.

void casa::MSCache::setFilename ( String filename ) [inline, virtual]

...not yet MS-specific.

.. (or ever?) Set up indexing for the plot void setUpIndexer(PMS::Axis iteraxis=PMSSCAN, Bool globalXRange=False, Bool globalYRange=False);

Implements casa::PlotMSCacheBase.

Definition at line 75 of file MSCache.h.

References casa::PlotMSCacheBase::filename_.

void casa::MSCache::setUpFrequencySelectionChannels	(	vi::FrequencySelectionUsingChannels	fs,
		Vector< Vector< Slice > >	chansel
	)			`[private]`

vi::VisibilityIterator2* casa::MSCache::setUpVisIter	(	MeasurementSet &	selectedMS,
		Vector< Vector< Slice > >	chansel,
		Vector< Vector< Slice > >	corrsel
	)			`[private]`

void casa::MSCache::setUpVisIter	(	PlotMSSelection &	selection,
		PlotMSCalibration &	calibration,
		String	dataColumn,
		Bool	interactive = `False`,
		Bool	estimateMemory = `False`,
		ThreadCommunication *	thread = `NULL`
	)			`[private]`