Class for defining a 2D DP histogram. More...

#include <Lau2DHistDP.hh>

Inheritance diagram for Lau2DHistDP:

Public Member Functions
	Lau2DHistDP (const TH2 hist, const LauDaughters daughters, Bool_t useInterpolation=kTRUE, Bool_t fluctuateBins=kFALSE, Double_t avEff=-1.0, Double_t avEffError=-1.0, Bool_t useUpperHalfOnly=kFALSE, Bool_t squareDP=kFALSE)
	Constructor. More...

	Lau2DHistDP (const TH2 hist, const TH2 errorHi, const TH2 errorLo, const LauDaughters daughters, Bool_t useInterpolation=kTRUE, Bool_t fluctuateBins=kFALSE, Double_t avEff=-1.0, Double_t avEffError=-1.0, Bool_t useUpperHalfOnly=kFALSE, Bool_t squareDP=kFALSE)
	Constructor. More...

virtual	~Lau2DHistDP ()
	Destructor. More...

Double_t	interpolateXY (Double_t x, Double_t y) const
	Perform the interpolation. More...

Public Member Functions inherited from Lau2DAbsHistDP
	Lau2DAbsHistDP (const LauDaughters *daughters, Bool_t useUpperHalfOnly=kFALSE, Bool_t squareDP=kFALSE)
	Constructor. More...

virtual	~Lau2DAbsHistDP ()
	Copy constructor. More...

Public Member Functions inherited from Lau2DAbsDP
	Lau2DAbsDP ()
	Constructor. More...

virtual	~Lau2DAbsDP ()
	Destructor. More...

Protected Member Functions
Double_t	getBinHistValue (Int_t xBinNo, Int_t yBinNo) const
	Get the raw bin content from the histogram. More...

Protected Member Functions inherited from Lau2DAbsHistDP
void	doBinFluctuation (TH2 *hist)
	Fluctuate the contents of each histogram bin independently, in accordance with their errors. More...

void	doBinFluctuation (TH2 hist, const TH2 errorHi, const TH2 *errorLo)
	Fluctuate the contents of each histogram bin independently, in accordance with their errors. More...

void	raiseOrLowerBins (TH2 *hist, const Double_t avEff, const Double_t avEffError)
	Rescale the histogram bin contents based on the desired average efficiency and its uncertainty. More...

Double_t	computeAverageContents (const TH2 *hist) const
	Compute the average bin content for bins within the kinematic boundary. More...

Bool_t	withinDPBoundaries (Double_t x, Double_t y) const
	Check whether the given co-ordinates are within the kinematic boundary. More...

void	getUpperHalf (Double_t &x, Double_t &y) const
	If only using the upper half of the (symmetric) DP then transform into the correct half. More...

Private Member Functions
	Lau2DHistDP (const Lau2DHistDP &rhs)
	Copy constructor - not implemented. More...

Lau2DHistDP &	operator= (const Lau2DHistDP &rhs)
	Copy assignment operator - not implemented. More...

Private Attributes
TH2 *	hist_
	The underlying histogram. More...

TH2 *	errorHi_
	The histogram containing the upper errors. More...

TH2 *	errorLo_
	The histogram containing the lower errors. More...

Double_t	minX_
	The histogram x-axis minimum. More...

Double_t	maxX_
	The histogram x-axis maximum. More...

Double_t	minY_
	The histogram y-axis minimum. More...

Double_t	maxY_
	The histogram y-axis maximum. More...

Double_t	rangeX_
	The histogram x-axis range. More...

Double_t	rangeY_
	The histogram y-axis range. More...

Double_t	binXWidth_
	The histogram x-axis bin width. More...

Double_t	binYWidth_
	The histogram y-axis bin width. More...

Int_t	nBinsX_
	The number of bins on the x-axis of the histogram. More...

Int_t	nBinsY_
	The number of bins on the y-axis of the histogram. More...

Bool_t	useInterpolation_
	Control boolean for using the linear interpolation. More...

Detailed Description

Class for defining a 2D DP histogram.

Class for defining a 2D DP histogram. Employs linear interpolation to get the histogram value based on how far away a point in (x,y) is to nearby bin centres. The returned values are not normalised to the total histogram area (useful for efficiency histograms for example). The histogram can be defined in the conventional DP (m13Sq vs m23Sq) or in the square DP.

Definition at line 34 of file Lau2DHistDP.hh.

Constructor & Destructor Documentation

Lau2DHistDP::Lau2DHistDP	(	const TH2 *	hist,
		const LauDaughters *	daughters,
		Bool_t	useInterpolation = `kTRUE`,
		Bool_t	fluctuateBins = `kFALSE`,
		Double_t	avEff = `-1.0`,
		Double_t	avEffError = `-1.0`,
		Bool_t	useUpperHalfOnly = `kFALSE`,
		Bool_t	squareDP = `kFALSE`
	)

Constructor.

Parameters

[in]	hist	the 2D DP histogram
[in]	daughters	the daughter particles
[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 (useful for systematic error evaluation). The seed for the random number generator used to fluctuate the bins should first be set using LauRandom::setSeed.
[in]	avEff	the desired average efficiency - see Lau2DHistDP::raiseOrLowerBins. The seed for the random number generator used to raise or lower the bins should first be set using LauRandom::setSeed.
[in]	avEffError	the error on that efficiency - see Lau2DHistDP::raiseOrLowerBins
[in]	useUpperHalfOnly	boolean flag to specify that the supplied histogram contains only the upper half of a symmetric DP
[in]	squareDP	boolean flag to specify whether the supplied histogram is in square DP coordinates

Definition at line 30 of file Lau2DHistDP.cc.

Lau2DHistDP::Lau2DHistDP	(	const TH2 *	hist,
		const TH2 *	errorHi,
		const TH2 *	errorLo,
		const LauDaughters *	daughters,
		Bool_t	useInterpolation = `kTRUE`,
		Bool_t	fluctuateBins = `kFALSE`,
		Double_t	avEff = `-1.0`,
		Double_t	avEffError = `-1.0`,
		Bool_t	useUpperHalfOnly = `kFALSE`,
		Bool_t	squareDP = `kFALSE`
	)

Constructor.

Parameters

[in]	hist	the 2D DP histogram
[in]	errorHi	the 2D DP histogram containing the upper uncertainty
[in]	errorLo	the 2D DP histogram containing the lower uncertainty
[in]	daughters	the daughter particles
[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 (useful for systematic error evaluation). The seed for the random number generator used to fluctuate the bins should first be set using LauRandom::setSeed.
[in]	avEff	the desired average efficiency - see Lau2DHistDP::raiseOrLowerBins. The seed for the random number generator used to raise or lower the bins should first be set using LauRandom::setSeed.
[in]	avEffError	the error on that efficiency - see Lau2DHistDP::raiseOrLowerBins
[in]	useUpperHalfOnly	boolean flag to specify that the supplied histogram contains only the upper half of a symmetric DP
[in]	squareDP	boolean flag to specify whether the supplied histogram is in square DP coordinates

Definition at line 74 of file Lau2DHistDP.cc.

Lau2DHistDP::~Lau2DHistDP ( )

virtual

Destructor.

Definition at line 169 of file Lau2DHistDP.cc.

Lau2DHistDP::Lau2DHistDP ( const Lau2DHistDP & rhs )

private

Copy constructor - not implemented.

Member Function Documentation

Double_t Lau2DHistDP::getBinHistValue	(	Int_t	xBinNo,
		Int_t	yBinNo
	)		const

protected

Get the raw bin content from the histogram.

Parameters

[in]	xBinNo	the x-axis bin number
[in]	yBinNo	the y-axis bin number

Returns: the bin conent

Definition at line 183 of file Lau2DHistDP.cc.

Double_t Lau2DHistDP::interpolateXY	(	Double_t	x,
		Double_t	y
	)		const

virtual

Perform the interpolation.

Parameters

[in]	x	the x-axis value
[in]	y	the y-aixs value

Returns: the interpolated histogram value

Implements Lau2DAbsHistDP.

Definition at line 201 of file Lau2DHistDP.cc.

Lau2DHistDP& Lau2DHistDP::operator= ( const Lau2DHistDP & rhs )

private

Copy assignment operator - not implemented.

Member Data Documentation

Double_t Lau2DHistDP::binXWidth_

private

The histogram x-axis bin width.

Definition at line 121 of file Lau2DHistDP.hh.

Double_t Lau2DHistDP::binYWidth_

private

The histogram y-axis bin width.

Definition at line 123 of file Lau2DHistDP.hh.

TH2* Lau2DHistDP::errorHi_

private

The histogram containing the upper errors.

Definition at line 103 of file Lau2DHistDP.hh.

TH2* Lau2DHistDP::errorLo_

private

The histogram containing the lower errors.

Definition at line 105 of file Lau2DHistDP.hh.

TH2* Lau2DHistDP::hist_

private

The underlying histogram.

Definition at line 101 of file Lau2DHistDP.hh.

Double_t Lau2DHistDP::maxX_

private

The histogram x-axis maximum.

Definition at line 110 of file Lau2DHistDP.hh.

Double_t Lau2DHistDP::maxY_

private

The histogram y-axis maximum.

Definition at line 114 of file Lau2DHistDP.hh.

Double_t Lau2DHistDP::minX_

private

The histogram x-axis minimum.

Definition at line 108 of file Lau2DHistDP.hh.

Double_t Lau2DHistDP::minY_

private

The histogram y-axis minimum.

Definition at line 112 of file Lau2DHistDP.hh.

Int_t Lau2DHistDP::nBinsX_

private

The number of bins on the x-axis of the histogram.

Definition at line 126 of file Lau2DHistDP.hh.

Int_t Lau2DHistDP::nBinsY_

private

The number of bins on the y-axis of the histogram.

Definition at line 128 of file Lau2DHistDP.hh.

Double_t Lau2DHistDP::rangeX_

private

The histogram x-axis range.

Definition at line 116 of file Lau2DHistDP.hh.

Double_t Lau2DHistDP::rangeY_

private

The histogram y-axis range.

Definition at line 118 of file Lau2DHistDP.hh.

Bool_t Lau2DHistDP::useInterpolation_

private

Control boolean for using the linear interpolation.

Definition at line 131 of file Lau2DHistDP.hh.

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

inc/Lau2DHistDP.hh
src/Lau2DHistDP.cc

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation