casa::FlagAgentTimeFreqCrop Class Reference

#include <FlagAgentTimeFreqCrop.h>

Inheritance diagram for casa::FlagAgentTimeFreqCrop:

Public Member Functions
	FlagAgentTimeFreqCrop (FlagDataHandler *dh, Record config, Bool writePrivateFlagCube=false, Bool flag=true)
	~FlagAgentTimeFreqCrop ()
Protected Member Functions
bool	computeAntennaPairFlags (const vi::VisBuffer2 &visBuffer, VisMapper &visibilities, FlagMapper &flags, Int antenna1, Int antenna2, vector< uInt > &rows)
	Compute flags for a given (time,freq) map.
void	setAgentParameters (Record config)
	Parse configuration parameters.
Private Member Functions
void	fitBaseAndFlag (String fittype, String direction, VisMapper &visibilities, FlagMapper &flags)
	Read original flags or not.
Float	calcMean (Vector< Float > &vect, Vector< Bool > &flag)
	Calculate Mean, Variance, Stddev while accounting for flags.
Float	calcVar (Vector< Float > &vect, Vector< Bool > &flag, Vector< Float > &fit)
Float	calcStd (Vector< Float > &vect, Vector< Bool > &flag, Vector< Float > &fit)
Float	calcStd (Vector< Float > &vect, Vector< Bool > &flag, Float mean)
void	fitPiecewisePoly (Vector< Float > &data, Vector< Bool > &flag, Vector< Float > &fit, uInt maxnpieces, uInt maxdeg)
	Fit a piece-wise polynomial according to the supplied specs.
void	polyFit (Vector< Float > &data, Vector< Bool > &flag, Vector< Float > &fit, uInt lim1, uInt lim2, uInt deg)
	Fit a polynomial of specified degree to a range of data points.
void	lineFit (Vector< Float > &data, Vector< Bool > &flag, Vector< Float > &fit, uInt lim1, uInt lim2)
	Fit a line to a range of data points.
Private Attributes
Double	time_cutoff_p
	Input parameters ///.
Double	freq_cutoff_p
	Flag threshold in frequency.
Int	maxNPieces_p
	Maximum number of pieces to allow in the piecewise-polynomial fits (1-9).
String	timeFitType_p
	Fitting function for the time direction ('line' or 'poly').
String	freqFitType_p
	Fitting function for the frequency direction ('line' or 'poly').
String	flagDimension_p
	Choose the directions along which to perform flagging ('time', 'freq', 'timefreq', 'freqtime').
Int	halfWin_p
	Half width of sliding window to use with 'usewindowstats' (1,2,3 for 3-point, 5-point or 7-point window sizes).
String	winStats_p
	Use sliding-window statistics to find additional flags ('none', 'sum', 'std', 'both' ).

Detailed Description

Definition at line 30 of file FlagAgentTimeFreqCrop.h.

Constructor & Destructor Documentation

casa::FlagAgentTimeFreqCrop::FlagAgentTimeFreqCrop	(	FlagDataHandler *	dh,
		Record	config,
		Bool	writePrivateFlagCube = `false`,
		Bool	flag = `true`
	)

casa::FlagAgentTimeFreqCrop::~FlagAgentTimeFreqCrop ( )

Member Function Documentation

Float casa::FlagAgentTimeFreqCrop::calcMean	(	Vector< Float > &	vect,
		Vector< Bool > &	flag
	)			`[private]`

Calculate Mean, Variance, Stddev while accounting for flags.

Float casa::FlagAgentTimeFreqCrop::calcStd	(	Vector< Float > &	vect,
		Vector< Bool > &	flag,
		Float	mean
	)			`[private]`

Float casa::FlagAgentTimeFreqCrop::calcStd	(	Vector< Float > &	vect,
		Vector< Bool > &	flag,
		Vector< Float > &	fit
	)			`[private]`

Float casa::FlagAgentTimeFreqCrop::calcVar	(	Vector< Float > &	vect,
		Vector< Bool > &	flag,
		Vector< Float > &	fit
	)			`[private]`

bool casa::FlagAgentTimeFreqCrop::computeAntennaPairFlags	(	const vi::VisBuffer2 &	visBuffer,
		VisMapper &	visibilities,
		FlagMapper &	flags,
		Int	antenna1,
		Int	antenna2,
		vector< uInt > &	rows
	)			`[protected, virtual]`

Compute flags for a given (time,freq) map.

Reimplemented from casa::FlagAgentBase.

void casa::FlagAgentTimeFreqCrop::fitBaseAndFlag	(	String	fittype,
		String	direction,
		VisMapper &	visibilities,
		FlagMapper &	flags
	)			`[private]`

Read original flags or not.

Note : original flags are those in the MS (and not those generated by agents) True/False Bool usePreFlags_p;

/// TFCROP functions

Average the data, fit a piecewise polynomial, divide it out, flag outliers.

void casa::FlagAgentTimeFreqCrop::fitPiecewisePoly	(	Vector< Float > &	data,
		Vector< Bool > &	flag,
		Vector< Float > &	fit,
		uInt	maxnpieces,
		uInt	maxdeg
	)			`[private]`

Fit a piece-wise polynomial according to the supplied specs.

void casa::FlagAgentTimeFreqCrop::lineFit	(	Vector< Float > &	data,
		Vector< Bool > &	flag,
		Vector< Float > &	fit,
		uInt	lim1,
		uInt	lim2
	)			`[private]`

Fit a line to a range of data points.

void casa::FlagAgentTimeFreqCrop::polyFit	(	Vector< Float > &	data,
		Vector< Bool > &	flag,
		Vector< Float > &	fit,
		uInt	lim1,
		uInt	lim2,
		uInt	deg
	)			`[private]`