Pid::Fitter Class Reference

Class to fit 2D histograms. More...

#include <Fitter.h>

Public Member Functions
void	Fit ()
TF1 *	ConstructFit1DFunction (double p)
double	Fit1D (const std::shared_ptr< TH1 > &h, std::vector< double > &par, std::vector< double > &par_err, double p)
void	Clear ()
void	AddParticle (const ParticleFit &particle, uint id)
void	SetHisto2D (std::shared_ptr< TH2 > histo2D)
void	SetRangeX (double min, double max)
void	SetRangeY (double min, double max)
void	SetOutputFileName (TString name)
ParticleFit	GetParticle (uint i) const
ParticleFit	GetParticleSpecie (uint i) const
void	SetChi2Max (double chi2)

Detailed Description

Class to fit 2D histograms.

Author

Viktor Klochkov (kloch.nosp@m.kov4.nosp@m.4@gma.nosp@m.il.c.nosp@m.om)

Ilya Selyuzhenkov (ilya..nosp@m.sely.nosp@m.uzhen.nosp@m.kov@.nosp@m.gmail.nosp@m..com)

Member Function Documentation

Clear()

void Pid::Fitter::Clear

(

)

Clear everything

ConstructFit1DFunction()

TF1 * Pid::Fitter::ConstructFit1DFunction

(

double

p

)

Constructs fit function as a sum of individual particle species. Parameters are also propagated

Parameters

p	track momentum

Returns

pointer to TF1 function

Fit()

void Pid::Fitter::Fit

(

)

Main function. Fitting TH2D bin-by-bin

Fit1D()

double Pid::Fitter::Fit1D	(	const std::shared_ptr< TH1 > &	h,
		std::vector< double > &	par,
		std::vector< double > &	par_err,
		double	p )

Constructs fit function as a sum of individual particle species. Parameters are also propagated

Parameters

h	pointer to input histo
par	output: fit parameters
par_err	output: fit parameters erorrs
p	track momentum

Returns

chi2/NDF of the fit

---

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

• src/Fitter.h
• src/Fitter.cpp