Data (block) for independent scalar measurement. More...

#include <GenFit/blob/master/GBL/include/GblData.h>

Collaboration diagram for gbl::GblData:

Public Member Functions
	GblData ()

	GblData (unsigned int aLabel, double aMeas, double aPrec)
	Create data block.

virtual	~GblData ()

void	addDerivatives (unsigned int iRow, const std::vector< unsigned int > &labDer, const SMatrix55 &matDer, unsigned int iOff, const TMatrixD &derLocal, const std::vector< int > &labGlobal, const TMatrixD &derGlobal, unsigned int nLocal, const TMatrixD &derTrans)
	Add derivatives from measurement.

void	addDerivatives (unsigned int iRow, const std::vector< unsigned int > &labDer, const SMatrix27 &matDer, unsigned int nLocal, const TMatrixD &derTrans)
	Add derivatives from kink.

void	addDerivatives (const std::vector< unsigned int > &index, const std::vector< double > &derivatives)
	Add derivatives from external seed.

void	setPrediction (const VVector &aVector)
	Calculate prediction for data from fit (by GblTrajectory::fit).

double	setDownWeighting (unsigned int aMethod)
	Outlier down weighting with M-estimators (by GblTrajectory::fit).

double	getChi2 () const
	Calculate Chi2 contribution.

void	printData () const
	Print data block.

void	getLocalData (double &aValue, double &aWeight, std::vector< unsigned int > &indLocal, std::vector< double > &derLocal)
	Get Data for local fit.

void	getAllData (double &aValue, double &aErr, std::vector< unsigned int > &indLocal, std::vector< double > &derLocal, std::vector< int > &labGlobal, std::vector< double > &derGlobal)
	Get all Data for MP-II binary record.

void	getResidual (double &aResidual, double &aVariance, double &aDownWeight, std::vector< unsigned int > &indLocal, std::vector< double > &derLocal)
	Get data for residual (and errors).

Private Attributes
unsigned int	theLabel
	Label (of measurements point)

double	theValue
	Value (residual)

double	thePrecision
	Precision (1/sigma**2)

double	theDownWeight
	Down-weighting factor (0-1)

double	thePrediction
	Prediction from fit.

std::vector< unsigned int >	theParameters
	List of fit parameters (with non zero derivatives)

std::vector< double >	theDerivatives
	List of derivatives for fit.

std::vector< int >	globalLabels
	Labels for global derivatives.

std::vector< double >	globalDerivatives
	Global derivatives.

Detailed Description

Data (block) for independent scalar measurement.

Data (block) containing value, precision and derivatives for measurements and kinks. Created from attributes of GblPoints, used to construct linear equation system for track fit.

Definition at line 55 of file GblData.h.

View newest version in sPHENIX GitHub at line 55 of file GblData.h

Constructor & Destructor Documentation

gbl::GblData::GblData ( )

inline

Definition at line 57 of file GblData.h.

View newest version in sPHENIX GitHub at line 57 of file GblData.h

gbl::GblData::GblData	(	unsigned int	aLabel,
		double	aValue,
		double	aPrec
	)

Create data block.

Parameters

[in]	aLabel	Label of corresponding point
[in]	aValue	Value of (scalar) measurement
[in]	aPrec	Precision of (scalar) measurement

Definition at line 41 of file GblData.cc.

View newest version in sPHENIX GitHub at line 41 of file GblData.cc

gbl::GblData::~GblData ( )

virtual

Definition at line 47 of file GblData.cc.

View newest version in sPHENIX GitHub at line 47 of file GblData.cc

Member Function Documentation

void gbl::GblData::addDerivatives	(	unsigned int	iRow,
		const std::vector< unsigned int > &	labDer,
		const SMatrix55 &	matDer,
		unsigned int	iOff,
		const TMatrixD &	derLocal,
		const std::vector< int > &	labGlobal,
		const TMatrixD &	derGlobal,
		unsigned int	extOff,
		const TMatrixD &	extDer
	)

Add derivatives from measurement.

Add (non-zero) derivatives to data block. Fill list of labels of used fit parameters.

Parameters

[in]	iRow	Row index (0-4) in up to 5D measurement
[in]	labDer	Labels for derivatives
[in]	matDer	Derivatives (matrix) 'measurement vs track fit parameters'
[in]	iOff	Offset for row index for additional parameters
[in]	derLocal	Derivatives (matrix) for additional local parameters
[in]	labGlobal	Labels for additional global (MP-II) parameters
[in]	derGlobal	Derivatives (matrix) for additional global (MP-II) parameters
[in]	extOff	Offset for external parameters
[in]	extDer	Derivatives for external Parameters

Definition at line 63 of file GblData.cc.

View newest version in sPHENIX GitHub at line 63 of file GblData.cc

References globalDerivatives, globalLabels, i, theDerivatives, and theParameters.

Referenced by gbl::GblTrajectory::prepare().

Here is the caller graph for this function:

void gbl::GblData::addDerivatives	(	unsigned int	iRow,
		const std::vector< unsigned int > &	labDer,
		const SMatrix27 &	matDer,
		unsigned int	extOff,
		const TMatrixD &	extDer
	)

Add derivatives from kink.

Add (non-zero) derivatives to data block. Fill list of labels of used fit parameters.

Parameters

[in]	iRow	Row index (0-1) in 2D kink
[in]	labDer	Labels for derivatives
[in]	matDer	Derivatives (matrix) 'kink vs track fit parameters'
[in]	extOff	Offset for external parameters
[in]	extDer	Derivatives for external Parameters

Definition at line 111 of file GblData.cc.

View newest version in sPHENIX GitHub at line 111 of file GblData.cc

References i, theDerivatives, and theParameters.

void gbl::GblData::addDerivatives	(	const std::vector< unsigned int > &	index,
		const std::vector< double > &	derivatives
	)

Add derivatives from external seed.

Add (non-zero) derivatives to data block. Fill list of labels of used fit parameters.

Parameters

[in]	index	Labels for derivatives
[in]	derivatives	Derivatives (vector)

Definition at line 142 of file GblData.cc.

View newest version in sPHENIX GitHub at line 142 of file GblData.cc

References i, theDerivatives, and theParameters.

void gbl::GblData::getAllData	(	double &	aValue,
		double &	aErr,
		std::vector< unsigned int > *&	indLocal,
		std::vector< double > *&	derLocal,
		std::vector< int > *&	labGlobal,
		std::vector< double > *&	derGlobal
	)

Get all Data for MP-II binary record.

Parameters

[out]	aValue	Value
[out]	aErr	Error
[out]	indLocal	List of labels of local parameters
[out]	derLocal	List of derivatives for local parameters
[out]	labGlobal	List of labels of global parameters
[out]	derGlobal	List of derivatives for global parameters

Definition at line 242 of file GblData.cc.

View newest version in sPHENIX GitHub at line 242 of file GblData.cc

References globalDerivatives, globalLabels, theDerivatives, theParameters, thePrecision, and theValue.

double gbl::GblData::getChi2 ( ) const

Calculate Chi2 contribution.

Returns: (down-weighted) Chi2

Definition at line 195 of file GblData.cc.

View newest version in sPHENIX GitHub at line 195 of file GblData.cc

References theDownWeight, thePrecision, thePrediction, and theValue.

void gbl::GblData::getLocalData	(	double &	aValue,
		double &	aWeight,
		std::vector< unsigned int > *&	indLocal,
		std::vector< double > *&	derLocal
	)

Get Data for local fit.

Parameters

[out]	aValue	Value
[out]	aWeight	Weight
[out]	indLocal	List of labels of used (local) fit parameters
[out]	derLocal	List of derivatives for used (local) fit parameters

Definition at line 224 of file GblData.cc.

View newest version in sPHENIX GitHub at line 224 of file GblData.cc

References theDerivatives, theDownWeight, theParameters, thePrecision, and theValue.

void gbl::GblData::getResidual	(	double &	aResidual,
		double &	aVariance,
		double &	aDownWeight,
		std::vector< unsigned int > *&	indLocal,
		std::vector< double > *&	derLocal
	)

Get data for residual (and errors).

Parameters

[out]	aResidual	Measurement-Prediction
[out]	aVariance	Variance (of measurement)
[out]	aDownWeight	Down-weighting factor
[out]	indLocal	List of labels of used (local) fit parameters
[out]	derLocal	List of derivatives for used (local) fit parameters

Definition at line 261 of file GblData.cc.

View newest version in sPHENIX GitHub at line 261 of file GblData.cc

References theDerivatives, theDownWeight, theParameters, thePrecision, thePrediction, and theValue.

void gbl::GblData::printData ( ) const

Print data block.

Definition at line 201 of file GblData.cc.

View newest version in sPHENIX GitHub at line 201 of file GblData.cc

References i, theDerivatives, theLabel, theParameters, thePrecision, and theValue.

double gbl::GblData::setDownWeighting ( unsigned int aMethod )

Outlier down weighting with M-estimators (by GblTrajectory::fit).

Parameters

[in] aMethod M-estimator (1: Tukey, 2:Huber, 3:Cauchy)

Definition at line 166 of file GblData.cc.

View newest version in sPHENIX GitHub at line 166 of file GblData.cc

References theDownWeight, thePrecision, thePrediction, and theValue.

void gbl::GblData::setPrediction ( const VVector & aVector )

Calculate prediction for data from fit (by GblTrajectory::fit).

Definition at line 154 of file GblData.cc.

View newest version in sPHENIX GitHub at line 154 of file GblData.cc

References i, theDerivatives, theParameters, and thePrediction.

Member Data Documentation

std::vector<double> gbl::GblData::globalDerivatives

private

Global derivatives.

Definition at line 95 of file GblData.h.

View newest version in sPHENIX GitHub at line 95 of file GblData.h

Referenced by addDerivatives(), and getAllData().

std::vector<int> gbl::GblData::globalLabels

private

Labels for global derivatives.

Definition at line 94 of file GblData.h.

View newest version in sPHENIX GitHub at line 94 of file GblData.h

Referenced by addDerivatives(), and getAllData().

std::vector<double> gbl::GblData::theDerivatives

private

List of derivatives for fit.

Definition at line 93 of file GblData.h.

View newest version in sPHENIX GitHub at line 93 of file GblData.h

Referenced by addDerivatives(), getAllData(), getLocalData(), getResidual(), printData(), and setPrediction().

double gbl::GblData::theDownWeight

private

Down-weighting factor (0-1)

Definition at line 90 of file GblData.h.

View newest version in sPHENIX GitHub at line 90 of file GblData.h

Referenced by getChi2(), getLocalData(), getResidual(), and setDownWeighting().

unsigned int gbl::GblData::theLabel

private

Label (of measurements point)

Definition at line 87 of file GblData.h.

View newest version in sPHENIX GitHub at line 87 of file GblData.h

Referenced by printData().

std::vector<unsigned int> gbl::GblData::theParameters

private

List of fit parameters (with non zero derivatives)

Definition at line 92 of file GblData.h.

View newest version in sPHENIX GitHub at line 92 of file GblData.h

Referenced by addDerivatives(), getAllData(), getLocalData(), getResidual(), printData(), and setPrediction().

double gbl::GblData::thePrecision

private

Precision (1/sigma**2)

Definition at line 89 of file GblData.h.

View newest version in sPHENIX GitHub at line 89 of file GblData.h

Referenced by getAllData(), getChi2(), getLocalData(), getResidual(), printData(), and setDownWeighting().

double gbl::GblData::thePrediction

private

Prediction from fit.

Definition at line 91 of file GblData.h.

View newest version in sPHENIX GitHub at line 91 of file GblData.h

Referenced by getChi2(), getResidual(), setDownWeighting(), and setPrediction().

double gbl::GblData::theValue

private

Value (residual)

Definition at line 88 of file GblData.h.

View newest version in sPHENIX GitHub at line 88 of file GblData.h

Referenced by getAllData(), getChi2(), getLocalData(), getResidual(), printData(), and setDownWeighting().

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

GenFit/blob/master/GBL/include/GblData.h
GenFit/blob/master/GBL/src/GblData.cc

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation