TopKinFitter Class Reference

#include <TopKinFitter.h>

Inheritance diagram for TopKinFitter:

Public Types
enum	Param { kEMom, kEtEtaPhi, kEtThetaPhi }
	supported parameterizations More...

Public Member Functions
int	fitNrIter () const
	return number of used iterations More...
double	fitProb () const
	return fit probability More...
double	fitS () const
	return chi2 of fit (not normalized to degrees of freedom) More...
void	setVerbosity (const int verbosityLevel)
	allows to change the verbosity of the TKinFitter More...
	TopKinFitter (const int maxNrIter=200, const double maxDeltaS=5e-5, const double maxF=1e-4, const double mW=80.4, const double mTop=173.)
	default constructor More...
	~TopKinFitter ()
	default destructor More...

Protected Member Functions
std::string	param (const Param &param) const
	convert Param to human readable form More...

Protected Attributes
TKinFitter *	fitter_
	kinematic fitter More...
double	maxDeltaS_
	maximal allowed chi2 (not normalized to degrees of freedom) More...
double	maxF_
	maximal allowed distance from constraints More...
int	maxNrIter_
	maximal allowed number of iterations to be used for the fit More...
double	mTop_
	top mass value used for constraints More...
double	mW_
	W mass value used for constraints. More...

Detailed Description

Definition at line 17 of file TopKinFitter.h.

Member Enumeration Documentation

enum TopKinFitter::Param

supported parameterizations

Enumerator
kEMom
kEtEtaPhi
kEtThetaPhi

Definition at line 22 of file TopKinFitter.h.

{ kEMom, kEtEtaPhi, kEtThetaPhi };

Constructor & Destructor Documentation

TopKinFitter::TopKinFitter ( const int  maxNrIter = 200, const double  maxDeltaS = 5e-5, const double  maxF = 1e-4, const double  mW = 80.4, const double  mTop = 173.  )

explicit

default constructor

default configuration is: max iterations = 200, max deltaS = 5e-5, maxF = 1e-4

Definition at line 4 of file TopKinFitter.cc.

References fitter_, maxDeltaS_, maxF_, maxNrIter_, TKinFitter::setMaxDeltaS(), TKinFitter::setMaxF(), TKinFitter::setMaxNbIter(), and TKinFitter::setVerbosity().

Referenced by StKinFitter::StKinFitter().

                                                  : 
  maxNrIter_(maxNrIter), maxDeltaS_(maxDeltaS), maxF_(maxF), mW_(mW), mTop_(mTop)
{
  fitter_ = new TKinFitter("TopKinFitter", "TopKinFitter");
  fitter_->setMaxNbIter(maxNrIter_);
  fitter_->setMaxDeltaS(maxDeltaS_);
  fitter_->setMaxF(maxF_);
  fitter_->setVerbosity(0);
}

TopKinFitter::~TopKinFitter

(

)

default destructor

Definition at line 16 of file TopKinFitter.cc.

References fitter_, and AlCaHLTBitMon_QueryRunRegistry::string.

{
  delete fitter_;
}

Member Function Documentation

int TopKinFitter::fitNrIter ( ) const

inline

return number of used iterations

Definition at line 34 of file TopKinFitter.h.

References fitter_, and TKinFitter::getNbIter().

{ return fitter_->getNbIter(); };

double TopKinFitter::fitProb ( ) const

inline

return fit probability

Definition at line 36 of file TopKinFitter.h.

References fitter_, TKinFitter::getNDF(), and TKinFitter::getS().

Referenced by StKinFitter::addKinFitInfo(), TtFullHadKinFitter::addKinFitInfo(), TtSemiLepKinFitter::addKinFitInfo(), TtFullHadKinFitter::KinFit::fit(), and TtSemiLepKinFitProducer< LeptonCollection >::produce().

{ return TMath::Prob(fitter_->getS(), fitter_->getNDF()); };

double TopKinFitter::fitS ( ) const

inline

return chi2 of fit (not normalized to degrees of freedom)

Definition at line 32 of file TopKinFitter.h.

References fitter_, and TKinFitter::getS().

Referenced by TtFullHadKinFitter::KinFit::fit(), and TtSemiLepKinFitProducer< LeptonCollection >::produce().

{ return fitter_->getS(); };

std::string TopKinFitter::param ( const Param &  param ) const

protected

convert Param to human readable form

Definition at line 23 of file TopKinFitter.cc.

References kEMom, kEtEtaPhi, kEtThetaPhi, and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by TtFullHadKinFitter::printSetup(), TtSemiLepKinFitter::printSetup(), TtFullHadKinFitter::KinFit::setOutput(), StKinFitter::setupFitter(), and setVerbosity().

{
  std::string parName;
  switch(param){
  case kEMom       : parName="EMom";       break;
  case kEtEtaPhi   : parName="EtEtaPhi";   break;
  case kEtThetaPhi : parName="EtThetaPhi"; break;    
  }
  return parName;
}

void TopKinFitter::setVerbosity ( const int  verbosityLevel )

inline

allows to change the verbosity of the TKinFitter

Definition at line 38 of file TopKinFitter.h.

References fitter_, param(), TKinFitter::setVerbosity(), and AlCaHLTBitMon_QueryRunRegistry::string.

{ fitter_->setVerbosity(verbosityLevel); };

Member Data Documentation

TKinFitter* TopKinFitter::fitter_

protected

kinematic fitter

Definition at line 46 of file TopKinFitter.h.

Referenced by StKinFitter::addKinFitInfo(), TtFullHadKinFitter::addKinFitInfo(), TtSemiLepKinFitter::addKinFitInfo(), TtFullHadKinFitter::fit(), TtSemiLepKinFitter::fit(), fitNrIter(), fitProb(), fitS(), TtFullHadKinFitter::fittedB(), TtFullHadKinFitter::fittedBBar(), TtSemiLepKinFitter::fittedHadB(), TtSemiLepKinFitter::fittedHadP(), TtSemiLepKinFitter::fittedHadQ(), TtSemiLepKinFitter::fittedLepB(), TtSemiLepKinFitter::fittedLepton(), TtFullHadKinFitter::fittedLightP(), TtFullHadKinFitter::fittedLightPBar(), TtFullHadKinFitter::fittedLightQ(), TtFullHadKinFitter::fittedLightQBar(), TtSemiLepKinFitter::fittedNeutrino(), StKinFitter::setupFitter(), TtFullHadKinFitter::setupFitter(), TtSemiLepKinFitter::setupFitter(), setVerbosity(), TopKinFitter(), and ~TopKinFitter().

double TopKinFitter::maxDeltaS_

protected

maximal allowed chi2 (not normalized to degrees of freedom)

Definition at line 50 of file TopKinFitter.h.

Referenced by TtFullHadKinFitter::printSetup(), TtSemiLepKinFitter::printSetup(), TtFullHadKinFitter::KinFit::setFitter(), StKinFitter::setupFitter(), and TopKinFitter().

double TopKinFitter::maxF_

protected

maximal allowed distance from constraints

Definition at line 52 of file TopKinFitter.h.

Referenced by TtFullHadKinFitter::printSetup(), TtSemiLepKinFitter::printSetup(), TtFullHadKinFitter::KinFit::setFitter(), StKinFitter::setupFitter(), and TopKinFitter().

int TopKinFitter::maxNrIter_

protected

maximal allowed number of iterations to be used for the fit

Definition at line 48 of file TopKinFitter.h.

Referenced by TtFullHadKinFitter::printSetup(), TtSemiLepKinFitter::printSetup(), TtFullHadKinFitter::KinFit::setFitter(), StKinFitter::setupFitter(), and TopKinFitter().

double TopKinFitter::mTop_

protected

top mass value used for constraints

Definition at line 56 of file TopKinFitter.h.

Referenced by TtFullHadKinFitter::printSetup(), TtSemiLepKinFitter::printSetup(), TtFullHadKinFitter::KinFit::setFitter(), TtFullHadKinFitter::setupConstraints(), TtSemiLepKinFitter::setupConstraints(), and StKinFitter::setupFitter().

double TopKinFitter::mW_

protected

W mass value used for constraints.

Definition at line 54 of file TopKinFitter.h.

Referenced by TtFullHadKinFitter::printSetup(), TtSemiLepKinFitter::printSetup(), TtFullHadKinFitter::KinFit::setFitter(), TtFullHadKinFitter::setupConstraints(), TtSemiLepKinFitter::setupConstraints(), and StKinFitter::setupFitter().