RFAFreqMedian: RedFlagger Agent for clipping relative to median over frequency. More...

#include <RFAMedianClip.h>

Inheritance diagram for casa::RFAFreqMedian:

Public Member Functions
	RFAFreqMedian (RFChunkStats &ch, const casacore::RecordInterface &parm)

virtual	~RFAFreqMedian ()

virtual casacore::Bool	newChunk (casacore::Int &maxmem)
	Called before iterating over a chunk. More...

virtual RFA::IterMode	iterRow (casacore::uInt irow)
	iterRow() is called once per each row in the VisBuffer. More...

virtual casacore::String	getDesc ()
	called to obtain a short description of this RFA More...

Public Member Functions inherited from casa::RFADiffMapBase
	RFADiffMapBase (RFChunkStats &ch, const casacore::RecordInterface &parm)

virtual	~RFADiffMapBase ()

virtual IterMode	iterTime (casacore::uInt it)
	Iteration methods for a data pass. More...

Public Member Functions inherited from casa::RFADiffBase
	RFADiffBase (RFChunkStats &ch, const casacore::RecordInterface &parm)

virtual	~RFADiffBase ()

virtual casacore::uInt	estimateMemoryUse ()
	This method is called before iterating over a chunk, to inquire the expected memory use. More...

virtual void	endChunk ()
	Called once finished with a chunk. More...

virtual void	startData (bool verbose)
	Called before starting a data pass on a chunk. More...

virtual void	startDry (bool verbose)
	Called before starting a dry pass on a chunk. More...

virtual IterMode	iterDry (casacore::uInt it)
	Iteration method for a dry pass. More...

virtual IterMode	endData ()
	Called after a pass is completed successfully (i.e., not stopped by start or iter methods). More...

virtual IterMode	endDry ()
	Called after a dry pass is complete. More...

Public Member Functions inherited from casa::RFAFlagCubeBase
	RFAFlagCubeBase (RFChunkStats &ch, const casacore::RecordInterface &parm)

virtual	~RFAFlagCubeBase ()

virtual void	startFlag (bool verbose)
	Called before starting the fetch-flags pass. More...

virtual void	iterFlag (casacore::uInt it)
	Iteration method for a flag pass. More...

virtual casacore::String	getStats ()
	called (before endChunk()) to obtain a statistics report More...

virtual casacore::String	getID ()

Public Member Functions inherited from casa::RFABase
	RFABase (RFChunkStats &ch, const casacore::RecordInterface &parm)
	An agent is always constructed from a chunk stats accessor, and a record of parameters. More...

virtual	~RFABase ()
	Destructor. More...

virtual void	init ()
	This method is called after constructing the agent. More...

virtual void	endFlag ()
	Called after a flag pass is complete. More...

virtual void	endRows (casacore::uInt)
	Called at end of time chunk. More...

virtual void	printFlaggingReport ()

const casacore::String &	name ()
	returns the name of this RFA (set in myname) More...

casacore::Bool	isActive ()
	returns the active status More...

casacore::LogIO &	logSink ()
	accessor to a casacore::LogIO for this agent More...

virtual casacore::Record	getResult ()

virtual void	finalize ()

virtual void	initialize ()
	Initialize chunk. More...

virtual void	initializeIter (casacore::uInt)

virtual void	finalizeIter (casacore::uInt)

virtual void	setNAgent (casacore::uInt n)

virtual void	setOnlySelector (bool only_sel)

Static Public Member Functions
static const casacore::RecordInterface &	getDefaults ()

Static Public Member Functions inherited from casa::RFADiffMapBase
static const casacore::RecordInterface &	getDefaults ()
	returns a casacore::Record of all available parameters and their default values More...

Static Public Member Functions inherited from casa::RFADiffBase
static const casacore::RecordInterface &	getDefaults ()

Static Public Member Functions inherited from casa::RFAFlagCubeBase
static const casacore::RecordInterface &	getDefaults ()

Static Public Member Functions inherited from casa::RFABase
static void	setIndexingBase (casacore::uInt base)
	static method for setting the indexing base for agent arguments More...

Protected Attributes
casacore::uInt	halfwin

Protected Attributes inherited from casa::RFADiffBase
casacore::Double	clip_level

casacore::Double	row_clip_level

casacore::Bool	disable_row_clip

casacore::Bool	clipping_rows

RFFloatLattice	diff

FlagCubeIterator *	pflagiter

RFRowClipper	rowclipper

casacore::Vector< casacore::Float >	diffrow

int	idiffrow

casacore::Matrix< casacore::Float >	sig

casacore::Matrix< casacore::Float >	sig0

casacore::LogicalVector	sigupdated

Protected Attributes inherited from casa::RFAFlagCubeBase
RFlagWord	corrmask
	mask of active correlations. More...

RFFlagCube	flag
	flag cube lattice More...

Protected Attributes inherited from casa::RFABase
casacore::uInt	nAgent

RFChunkStats &	chunk

casacore::Record	params

casacore::String	myname

bool	only_selector

RFlagWord	corrmask
	Bit mask of correlations which are used & flagged by this RFA. More...

casacore::Bool	active
	flag: agent is active for this chunk (set in newChunk) More...

casacore::LogIO	os

Protected Attributes inherited from casa::RFDataMapper
casacore::String	expr_desc

casacore::String	desc

DDMapper *	ddm

RowMapperFunc	rowmapper

casacore::Cube < casacore::Complex > *	pviscube

casacore::Vector < casacore::RigidVector < casacore::Double, 3 > > *	puvw

CubeMapperFunc	cubemap

MapperType	mytype

casacore::Double	full_cycle

casacore::Double	cycle_base

casacore::Double	sin_dec
	required by the HA mapper - sin(declination) of phase center; More...

Additional Inherited Members
Public Types inherited from casa::RFABase
enum	IterMode { STOP, DRY, DATA, CONT }
	iteration modes More...

Public Types inherited from casa::FlaggerEnums
enum	StatEnums { POLZN, POL, CORR, CHAN, IFR, TIME, ROW, ANT, FEED, FEEDCORR, NONE, Num_StatEnums }

enum	PreFlagPolicy { FL_HONOR, FL_IGNORE, FL_RESET }

Protected Types inherited from casa::RFDataMapper
enum	MapperType { MAPROW, MAPCORR }
	type of data mapper: row or individual correlations More...

typedef casacore::Cube < casacore::Complex > (	CubeMapperFunc )(VisBuffer &)
	a cube mapper function maps a visbuffer to a data cube. More...

Protected Member Functions inherited from casa::RFADiffMapBase
virtual RFlagWord	newCorrMask ()
	computes a correlations mask. More...

void	setupMapper ()

Protected Member Functions inherited from casa::RFADiffBase
void	startDataRow (casacore::uInt ifr)
	prepares for a pass over one data row More...

casacore::Float	setDiff (casacore::uInt ich, casacore::uInt ifr, casacore::Float d, casacore::Bool &flagged=dummy_Bool)
	updates the diff lattice with a value, and performs clipping More...

void	endDataRow (casacore::uInt ifr)
	ends pass over single data row More...

casacore::Float	updateSigma ()
	updates noise estimates (sih0), returns the max change More...

Protected Member Functions inherited from casa::RFABase
casacore::uInt	num (StatEnums which)

RFlagWord	corrMask ()

Protected Member Functions inherited from casa::RFDataMapper
casacore::Float	dummyRowMapper (casacore::uInt)
	various row mappers More...

casacore::Float	U_RowMapper (casacore::uInt)

casacore::Float	V_RowMapper (casacore::uInt)

casacore::Float	W_RowMapper (casacore::uInt)

casacore::Float	AbsU_RowMapper (casacore::uInt)

casacore::Float	AbsV_RowMapper (casacore::uInt)

casacore::Float	AbsW_RowMapper (casacore::uInt)

casacore::Float	UVD_RowMapper (casacore::uInt)

casacore::Float	UVA_RowMapper (casacore::uInt)

casacore::Float	HA_RowMapper (casacore::uInt)

	RFDataMapper (const casacore::String &col, DDMapper *map)
	construct from a column and a DDMapper More...

	RFDataMapper (const casacore::Vector< casacore::String > &expr, const casacore::String &defcol="")
	construct from a column and an expression More...

	~RFDataMapper ()
	destructor More...

MapperType	type ()
	returns type of mapper More...

casacore::Double	getValueCycle ()
	If the value being mapped into is cyclic (i.e. More...

casacore::Double	getValueBase ()
	Returns base of a cyclic value (e.g. More...

casacore::Float	mapValue (casacore::uInt ich, casacore::uInt irow)
	gets a value from the DDMapper More...

casacore::Float	mapValue (casacore::uInt irow)
	gets a value from the row mapper More...

RFlagWord	corrMask (const VisibilityIterator &vi)
	uses mapper to compute a correlations mask More...

void	setVisBuffer (VisBuffer &vb)
	point the datamapper at a visbuffer - called for every new buffer More...

casacore::String	description () const
	returns description More...

casacore::String	descExpression () const
	returns description of expression More...

Static Protected Member Functions inherited from casa::RFABase
static casacore::uInt	indexingBase ()
	global flag indicates that Glish (1-based) indexing is in use for agent arguments More...

Static Protected Member Functions inherited from casa::RFDataMapper
static CubeMapperFunc	getCubeMapper (const casacore::String &col, casacore::Bool throw_excp=false)
	static helper function to interpret constructor parameters into a cube mapper More...

Static Protected Attributes inherited from casa::RFADiffBase
static casacore::Bool	dummy_Bool

Detailed Description

RFAFreqMedian: RedFlagger Agent for clipping relative to median over frequency.

Intended use:

Internal

Prerequisite

MedianSlider
RFADiffMapBase

Synopsis

RFAFreqMedian computes a sliding median of some quantity (as established in RFADiffMapbase) over frequency, per each row. Deviation w/respect to the median is passed to RFADiffBase for the actual flagging.

To Do

add this feature
fix this bug
start discussion of this possible extension

Definition at line 119 of file RFAMedianClip.h.

Constructor & Destructor Documentation

casa::RFAFreqMedian::RFAFreqMedian	(	RFChunkStats &	ch,
		const casacore::RecordInterface &	parm
	)

virtual casa::RFAFreqMedian::~RFAFreqMedian ( )

inlinevirtual

Definition at line 123 of file RFAMedianClip.h.

Member Function Documentation

static const casacore::RecordInterface& casa::RFAFreqMedian::getDefaults ( )

static

virtual casacore::String casa::RFAFreqMedian::getDesc ( )

virtual

called to obtain a short description of this RFA

Reimplemented from casa::RFADiffMapBase.

virtual RFA::IterMode casa::RFAFreqMedian::iterRow ( casacore::uInt )

virtual

iterRow() is called once per each row in the VisBuffer.

Iterating over rows is perhaps preferrable in terms of performance, at least for data iterations.

Reimplemented from casa::RFABase.

virtual casacore::Bool casa::RFAFreqMedian::newChunk ( casacore::Int & )

virtual

Called before iterating over a chunk.

Returns true if agent will process this chunk, or false if this the agent is unable to process it. (this can happen if, e.g., the requisite correlations are not present). The casacore::Int & maxmem argument is the number of MB memory which is still available in the memory pool. The agent class should plan its memory use accordingly, and subtract its expected memory use from maxmem. In effect, the agent "reserves" some amount of memory. This is used by RedFlagger to contain the total memory footprint. Note that only a rough reckoning is sufficient, so only bother estimating the biggest data structures. See implementations in RFADiffBase and RFATimeMedian for good examples. nAgent is the total number of agents.

Reimplemented from casa::RFADiffBase.

Member Data Documentation

casacore::uInt casa::RFAFreqMedian::halfwin

protected

Definition at line 131 of file RFAMedianClip.h.

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

casa/code/flagging/Flagging/RFAMedianClip.h

Public Member Functions

Static Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Intended use:

Prerequisite

Synopsis

To Do

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation