tauImpactParameter::TrackHelixVertexFitter Class Reference

#include <TrackHelixVertexFitter.h>

Inheritance diagram for tauImpactParameter::TrackHelixVertexFitter:

Public Types
enum	ExtraPar { BField0 =0, MassOffSet =1, NExtraPar =1 }
enum	FreeTrackPar { kappa0 =3, lambda0, phi0, NFreeTrackPar }
enum	FreeVertexPar { x0 =0, y0, z0, NFreeVertexPar }

Public Member Functions
virtual double	chiSquare ()
virtual bool	fit ()=0
LorentzVectorParticle	getMother (int pdgid)
std::vector < LorentzVectorParticle >	getRefitLorentzVectorParticles ()
virtual std::vector < TrackParticle >	getRefitTracks ()
virtual TVector3	getVertex ()
virtual TMatrixTSym< double >	getVertexError ()
virtual double	ndf ()
	TrackHelixVertexFitter (const std::vector< TrackParticle > &particles, const TVector3 &vguess)
virtual double	updateChisquare (const TVectorT< double > &inpar)
virtual	~TrackHelixVertexFitter ()

Static Public Member Functions
static void	computedxydz (const TVectorT< double > &inpar, int particle, double &kappa, double &lam, double &phi, double &x, double &y, double &z, double &s, double &dxy, double &dz)
static TVectorT< double >	computeLorentzVectorPar (const TVectorT< double > &inpar)

Protected Member Functions
virtual TString	freeParName (int Par)

Protected Attributes
double	chi2_
bool	isConfigured_
bool	isFit_
double	ndf_
TVectorT< double >	par_
TMatrixTSym< double >	parcov_

Static Private Member Functions
static TVectorT< double >	computeMotherLorentzVectorPar (const TVectorT< double > &inpar)
static TVectorT< double >	computePar (const TVectorT< double > &inpar)
static TVectorT< double >	computeTrackPar (const TVectorT< double > &inpar, int p=0)
static int	freeParIndex (int Par, int Particle)
static int	measuredValueIndex (int TrackPar, int Particle)
static void	parSizeInfo (const TVectorT< double > &inpar, int &np, int &parsize, bool hasextras=0)

Private Attributes
TMatrixTSym< double >	cov_
TMatrixTSym< double >	cov_inv_
int	nPar_
int	nParticles_
int	nVal_
std::vector< TrackParticle >	particles_
TVectorT< double >	val_

Detailed Description

Definition at line 24 of file TrackHelixVertexFitter.h.

Member Enumeration Documentation

enum tauImpactParameter::TrackHelixVertexFitter::ExtraPar

Enumerator
BField0
MassOffSet
NExtraPar

Definition at line 28 of file TrackHelixVertexFitter.h.

{BField0=0,MassOffSet=1,NExtraPar=1};

enum tauImpactParameter::TrackHelixVertexFitter::FreeTrackPar

Enumerator
kappa0
lambda0
phi0
NFreeTrackPar

Definition at line 27 of file TrackHelixVertexFitter.h.

{kappa0=3,lambda0,phi0,NFreeTrackPar};

enum tauImpactParameter::TrackHelixVertexFitter::FreeVertexPar

Enumerator
x0
y0
z0
NFreeVertexPar

Definition at line 26 of file TrackHelixVertexFitter.h.

{x0=0,y0,z0,NFreeVertexPar};

Constructor & Destructor Documentation

TrackHelixVertexFitter::TrackHelixVertexFitter	(	const std::vector< TrackParticle > &	particles,
		const TVector3 &	vguess
	)

Definition at line 13 of file TrackHelixVertexFitter.cc.

TrackHelixVertexFitter::~TrackHelixVertexFitter ( )

virtual

Definition at line 59 of file TrackHelixVertexFitter.cc.

Member Function Documentation

virtual double tauImpactParameter::TrackHelixVertexFitter::chiSquare ( )

inlinevirtual

Definition at line 35 of file TrackHelixVertexFitter.h.

References chi2_.

{return chi2_;}

void TrackHelixVertexFitter::computedxydz ( const TVectorT< double > &  inpar, int  particle, double &  kappa, double &  lam, double &  phi, double &  x, double &  y, double &  z, double &  s, double &  dxy, double &  dz  )

static

Definition at line 137 of file TrackHelixVertexFitter.cc.

TVectorT< double > TrackHelixVertexFitter::computeLorentzVectorPar ( const TVectorT< double > &  inpar )

static

Definition at line 177 of file TrackHelixVertexFitter.cc.

Referenced by tauImpactParameter::TrackTools::lorentzParticleAtPosition().

TVectorT< double > TrackHelixVertexFitter::computeMotherLorentzVectorPar ( const TVectorT< double > &  inpar )

staticprivate

Definition at line 197 of file TrackHelixVertexFitter.cc.

TVectorT< double > TrackHelixVertexFitter::computePar ( const TVectorT< double > &  inpar )

staticprivate

Definition at line 154 of file TrackHelixVertexFitter.cc.

TVectorT< double > TrackHelixVertexFitter::computeTrackPar ( const TVectorT< double > &  inpar, int  p = 0  )

staticprivate

Definition at line 164 of file TrackHelixVertexFitter.cc.

virtual bool tauImpactParameter::TrackHelixVertexFitter::fit ( )

pure virtual

Implemented in tauImpactParameter::Chi2VertexFitter.

static int tauImpactParameter::TrackHelixVertexFitter::freeParIndex ( int  Par, int  Particle  )

inlinestaticprivate

Definition at line 59 of file TrackHelixVertexFitter.h.

References NFreeTrackPar, NFreeVertexPar, x0, y0, and z0.

                                                {
     if(Par==x0 || Par==y0 || Par==z0) return Par;
     return Par+Particle*(NFreeTrackPar-NFreeVertexPar);
   }

TString TrackHelixVertexFitter::freeParName ( int  Par )

protectedvirtual

Definition at line 225 of file TrackHelixVertexFitter.cc.

Referenced by tauImpactParameter::Chi2VertexFitter::fit().

LorentzVectorParticle TrackHelixVertexFitter::getMother

(

int

pdgid

)

Definition at line 106 of file TrackHelixVertexFitter.cc.

std::vector< LorentzVectorParticle > TrackHelixVertexFitter::getRefitLorentzVectorParticles

(

)

Definition at line 86 of file TrackHelixVertexFitter.cc.

std::vector< TrackParticle > TrackHelixVertexFitter::getRefitTracks ( )

virtual

Definition at line 68 of file TrackHelixVertexFitter.cc.

TVector3 TrackHelixVertexFitter::getVertex ( )

virtual

Definition at line 125 of file TrackHelixVertexFitter.cc.

TMatrixTSym< double > TrackHelixVertexFitter::getVertexError ( )

virtual

Definition at line 129 of file TrackHelixVertexFitter.cc.

static int tauImpactParameter::TrackHelixVertexFitter::measuredValueIndex ( int  TrackPar, int  Particle  )

inlinestaticprivate

Definition at line 56 of file TrackHelixVertexFitter.h.

References tauImpactParameter::TrackParticle::NHelixPar.

                                                           {
     return TrackPar+Particle*TrackParticle::NHelixPar;
   }

virtual double tauImpactParameter::TrackHelixVertexFitter::ndf ( void  )

inlinevirtual

Definition at line 36 of file TrackHelixVertexFitter.h.

References ndf_.

{return ndf_;}

void TrackHelixVertexFitter::parSizeInfo ( const TVectorT< double > &  inpar, int &  np, int &  parsize, bool  hasextras = 0  )

staticprivate

Definition at line 242 of file TrackHelixVertexFitter.cc.

double TrackHelixVertexFitter::updateChisquare ( const TVectorT< double > &  inpar )

virtual

Definition at line 61 of file TrackHelixVertexFitter.cc.

Referenced by tauImpactParameter::ChiSquareFunctionUpdator::operator()().

Member Data Documentation

double tauImpactParameter::TrackHelixVertexFitter::chi2_

protected

Definition at line 50 of file TrackHelixVertexFitter.h.

Referenced by chiSquare(), and tauImpactParameter::Chi2VertexFitter::fit().

TMatrixTSym<double> tauImpactParameter::TrackHelixVertexFitter::cov_

private

Definition at line 67 of file TrackHelixVertexFitter.h.

TMatrixTSym<double> tauImpactParameter::TrackHelixVertexFitter::cov_inv_

private

Definition at line 68 of file TrackHelixVertexFitter.h.

bool tauImpactParameter::TrackHelixVertexFitter::isConfigured_

protected

Definition at line 46 of file TrackHelixVertexFitter.h.

Referenced by tauImpactParameter::Chi2VertexFitter::fit().

bool tauImpactParameter::TrackHelixVertexFitter::isFit_

protected

Definition at line 46 of file TrackHelixVertexFitter.h.

Referenced by tauImpactParameter::Chi2VertexFitter::fit().

double tauImpactParameter::TrackHelixVertexFitter::ndf_

protected

Definition at line 50 of file TrackHelixVertexFitter.h.

Referenced by ndf().

int tauImpactParameter::TrackHelixVertexFitter::nPar_

private

Definition at line 69 of file TrackHelixVertexFitter.h.

int tauImpactParameter::TrackHelixVertexFitter::nParticles_

private

Definition at line 69 of file TrackHelixVertexFitter.h.

int tauImpactParameter::TrackHelixVertexFitter::nVal_

private

Definition at line 69 of file TrackHelixVertexFitter.h.

TVectorT<double> tauImpactParameter::TrackHelixVertexFitter::par_

protected

Definition at line 47 of file TrackHelixVertexFitter.h.

Referenced by tauImpactParameter::Chi2VertexFitter::fit().

TMatrixTSym<double> tauImpactParameter::TrackHelixVertexFitter::parcov_

protected

Definition at line 48 of file TrackHelixVertexFitter.h.

Referenced by tauImpactParameter::Chi2VertexFitter::fit().

std::vector<TrackParticle> tauImpactParameter::TrackHelixVertexFitter::particles_

private

Definition at line 65 of file TrackHelixVertexFitter.h.

TVectorT<double> tauImpactParameter::TrackHelixVertexFitter::val_

private

Definition at line 66 of file TrackHelixVertexFitter.h.