Class for defining a histogram-based background Dalitz plot model. More...

#include <LauBkgndDPModel.hh>

Inheritance diagram for LauBkgndDPModel:

Public Member Functions
	LauBkgndDPModel (LauDaughters daughters, LauVetoes vetoes)
	Constructor. More...

virtual	~LauBkgndDPModel ()
	Destructor. More...

void	setBkgndHisto (const TH2 *histo, Bool_t useInterpolation, Bool_t fluctuateBins, Bool_t useUpperHalfOnly, Bool_t squareDP=kFALSE)
	Set background histogram. More...

void	setBkgndSpline (const TH2 *histo, Bool_t fluctuateBins, Bool_t useUpperHalfOnly, Bool_t squareDP)
	Set the background histogram and generate a spline. More...

virtual void	initialise ()
	Initialise the model. More...

virtual Bool_t	generate ()
	Generate a toy MC event from the model. More...

virtual Double_t	getUnNormValue (UInt_t iEvt)
	Get unnormalised likelihood for a given event. More...

virtual Double_t	getPdfNorm () const
	Get PDF normalisation constant. More...

virtual Double_t	getLikelihood (UInt_t iEvt)
	Get likelihood for a given event. More...

virtual void	fillDataTree (const LauFitDataTree &fitDataTree)
	Cache the input data and (if appropriate) the per-event likelihood values. More...

Public Member Functions inherited from LauAbsBkgndDPModel
virtual	~LauAbsBkgndDPModel ()
	Destructor. More...

const LauDaughters *	getDaughters () const
	Get the daughter particles. More...

LauDaughters *	getDaughters ()
	Get the daughter particles. More...

const LauKinematics *	getKinematics () const
	Get the Dalitz plot kinematics. More...

LauKinematics *	getKinematics ()
	Get the Dalitz plot kinematics. More...

const LauVetoes *	getVetoes () const
	Get vetoes in the Dalitz plot. More...

LauVetoes *	getVetoes ()
	Get vetoes in the Dalitz plot. More...

Protected Member Functions
Double_t	calcHistValue (Double_t xVal, Double_t yVal)
	Calulate histogram value at a given point. More...

virtual void	setDataEventNo (UInt_t iEvt)
	Set data event number. More...

Protected Member Functions inherited from LauAbsBkgndDPModel
	LauAbsBkgndDPModel (LauDaughters daughters, LauVetoes vetoes)
	Constructor. More...

Private Attributes
Bool_t	symmetricalDP_
	Flags whether the DP is symmetrical or not. More...

Bool_t	squareDP_
	Flags whether or not to work in square DP coordinates. More...

Lau2DAbsDPPdf *	bgHistDPPdf_
	PDF of Dalitz plot background, from a 2D histogram. More...

std::vector< Double_t >	bgData_
	Cached histogram values for each event. More...

Double_t	curEvtHistVal_
	Histogram value for the current event. More...

Double_t	maxPdfHeight_
	Maximum height of PDF. More...

Double_t	pdfNorm_
	Normalisation of PDF. More...

Bool_t	doneGenWarning_
	Boolean to indicate if the warning that there is no histogram has already been issued. More...

Bool_t	lowBinWarningIssued_
	Flag to track whether a warning has been issued for bin values less than zero. More...

Detailed Description

Class for defining a histogram-based background Dalitz plot model.

Class for defining a histogram-based background Dalitz plot model

Definition at line 34 of file LauBkgndDPModel.hh.

Constructor & Destructor Documentation

LauBkgndDPModel::LauBkgndDPModel	(	LauDaughters *	daughters,
		LauVetoes *	vetoes
	)

Constructor.

Parameters

[in]	daughters	the daughters in the decay
[in]	vetoes	the vetoes in the Datliz plot

Definition at line 36 of file LauBkgndDPModel.cc.

LauBkgndDPModel::~LauBkgndDPModel ( )

virtual

Destructor.

Definition at line 52 of file LauBkgndDPModel.cc.

Member Function Documentation

Double_t LauBkgndDPModel::calcHistValue	(	Double_t	xVal,
		Double_t	yVal
	)

protected

Calulate histogram value at a given point.

Parameters

[in]	xVal	the x-value
[in]	yVal	the y-value

Returns: the histogram value

Definition at line 91 of file LauBkgndDPModel.cc.

void LauBkgndDPModel::fillDataTree ( const LauFitDataTree & fitDataTree )

virtual

Cache the input data and (if appropriate) the per-event likelihood values.

Parameters

[in] fitDataTree the input data

Implements LauAbsBkgndDPModel.

Definition at line 219 of file LauBkgndDPModel.cc.

Bool_t LauBkgndDPModel::generate ( )

virtual

Generate a toy MC event from the model.

Returns: success/failure flag

Implements LauAbsBkgndDPModel.

Definition at line 136 of file LauBkgndDPModel.cc.

Double_t LauBkgndDPModel::getLikelihood ( UInt_t iEvt )

virtual

Get likelihood for a given event.

Parameters

[in] iEvt the event number

Returns: the likelihood value

Implements LauAbsBkgndDPModel.

Definition at line 271 of file LauBkgndDPModel.cc.

virtual Double_t LauBkgndDPModel::getPdfNorm ( ) const

inlinevirtual

Get PDF normalisation constant.

Returns: the PDF normalisation constant

Implements LauAbsBkgndDPModel.

Definition at line 89 of file LauBkgndDPModel.hh.

Double_t LauBkgndDPModel::getUnNormValue ( UInt_t iEvt )

virtual

Get unnormalised likelihood for a given event.

Parameters

[in] iEvt the event number

Returns: the unnormalised likelihood value

Implements LauAbsBkgndDPModel.

Definition at line 264 of file LauBkgndDPModel.cc.

void LauBkgndDPModel::initialise ( )

virtual

Initialise the model.

Implements LauAbsBkgndDPModel.

Definition at line 132 of file LauBkgndDPModel.cc.

void LauBkgndDPModel::setBkgndHisto	(	const TH2 *	histo,
		Bool_t	useInterpolation,
		Bool_t	fluctuateBins,
		Bool_t	useUpperHalfOnly,
		Bool_t	squareDP = `kFALSE`
	)

Set background histogram.

Parameters

[in]	histo	the 2D histogram describing the DP distribution
[in]	useInterpolation	boolean flag to determine whether linear interpolation between bins should be used or simply the raw bin values
[in]	fluctuateBins	boolean flag to determine whether the bin contents should be fluctuated in accordance with their errors
[in]	useUpperHalfOnly	boolean flag to determine whether, in the case of a symmetric DP, the histogram supplied only includes the upper half of the DP
[in]	squareDP	boolean flag to determine whether the supplied histogram is given in square DP coordinates

Definition at line 59 of file LauBkgndDPModel.cc.

void LauBkgndDPModel::setBkgndSpline	(	const TH2 *	histo,
		Bool_t	fluctuateBins,
		Bool_t	useUpperHalfOnly,
		Bool_t	squareDP
	)

Set the background histogram and generate a spline.

Parameters

[in]	histo	the 2D histogram describing the DP distribution
[in]	fluctuateBins	boolean flag to determine whether the bin contents should be fluctuated in accordance with their errors
[in]	useUpperHalfOnly	boolean flag to determine whether, in the case of a symmetric DP, the histogram supplied only includes the upper half of the DP
[in]	squareDP	boolean flag to determine whether the supplied histogram is given in square DP coordinates

Definition at line 75 of file LauBkgndDPModel.cc.

void LauBkgndDPModel::setDataEventNo ( UInt_t iEvt )

protectedvirtual

Set data event number.

Parameters

[in] iEvt the event number

Implements LauAbsBkgndDPModel.

Definition at line 279 of file LauBkgndDPModel.cc.

Member Data Documentation

std::vector<Double_t> LauBkgndDPModel::bgData_

private

Cached histogram values for each event.

Definition at line 130 of file LauBkgndDPModel.hh.

Lau2DAbsDPPdf* LauBkgndDPModel::bgHistDPPdf_

private

PDF of Dalitz plot background, from a 2D histogram.

Definition at line 127 of file LauBkgndDPModel.hh.

Double_t LauBkgndDPModel::curEvtHistVal_

private

Histogram value for the current event.

Definition at line 133 of file LauBkgndDPModel.hh.

Bool_t LauBkgndDPModel::doneGenWarning_

private

Boolean to indicate if the warning that there is no histogram has already been issued.

Definition at line 142 of file LauBkgndDPModel.hh.

Bool_t LauBkgndDPModel::lowBinWarningIssued_

mutableprivate

Flag to track whether a warning has been issued for bin values less than zero.

Definition at line 145 of file LauBkgndDPModel.hh.

Double_t LauBkgndDPModel::maxPdfHeight_

private

Maximum height of PDF.

Definition at line 136 of file LauBkgndDPModel.hh.

Double_t LauBkgndDPModel::pdfNorm_

private

Normalisation of PDF.

Definition at line 139 of file LauBkgndDPModel.hh.

Bool_t LauBkgndDPModel::squareDP_

private

Flags whether or not to work in square DP coordinates.

Definition at line 124 of file LauBkgndDPModel.hh.

Bool_t LauBkgndDPModel::symmetricalDP_

private

Flags whether the DP is symmetrical or not.

Definition at line 121 of file LauBkgndDPModel.hh.

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

inc/LauBkgndDPModel.hh
src/LauBkgndDPModel.cc

Public Member Functions

Protected Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation