A class to fit a TTrackBase object to a helix. More...

#include <THelixFitter.h>

Inheritance diagram for THelixFitter:

Public Member Functions
	THelixFitter (const std::string &name)
	Constructor.

virtual	~THelixFitter ()
	Destructor.

void	dump (const std::string &message=std::string(""), const std::string &prefix=std::string("")) const
	dumps debug information.

bool	fit2D (void) const
	sets/returns 2D flag.

bool	fit2D (bool)

bool	freeT0 (void) const
	sets/returns free T0 flag.

bool	freeT0 (bool)

unsigned	corrections (void) const
	sets/returns correctin flag.

unsigned	corrections (unsigned)

bool	sag (void) const
	sets/returns sag correction flag.

bool	sag (bool)

bool	propagation (void) const
	sets/returns propagation-delay correction flag.

bool	propagation (bool)

bool	tof (void) const
	sets/returns propagation-delay correction flag.

bool	tof (bool)

bool	tanl (void) const
	sets/returns tanLambda correction flag.

bool	tanl (bool)

double	preChi2 (void) const
	returns sum of chi2 before fit.

double	chi2 (void) const
	returns sum of chi2 aftter fit.

IMagneticFieldSvc *	getMagneticFieldPointer (void) const

int	fit (TTrackBase &) const

int	fit (TTrackBase &, double pre_chi2, double fitted_chi2) const

int	fit (TTrackBase &, float t0Offset, double pre_chi2=NULL, double fitted_chi2=NULL) const

int	fit (TTrackBase &, float &tev, float &tev_err, double pre_chi2=NULL, double fitted_chi2=NULL) const

Public Member Functions inherited from TMFitter
	TMFitter (const std::string &name)
	Constructor.

virtual	~TMFitter ()
	Destructor.

const std::string &	name (void) const
	returns name.

void	dump (const std::string &message=std::string(""), const std::string &prefix=std::string("")) const

virtual int	fit (TTrackBase &) const =0

Additional Inherited Members
Protected Member Functions inherited from TMFitter
void	fitDone (TTrackBase &) const
	sets the fitted flag. (Bad implementation)

Detailed Description

A class to fit a TTrackBase object to a helix.

Definition at line 48 of file THelixFitter.h.

Constructor & Destructor Documentation

◆ THelixFitter()

THelixFitter::THelixFitter ( const std::string & name )

Constructor.

Definition at line 122 of file THelixFitter.cxx.

: TMFitter(name),
  _fit2D(false),
  _freeT0(false),
  _sag(false),
  _propagation(false),
  _tof(false),
  _tanl(false),
  _pre_chi2(0.),
  _fitted_chi2(0.),
  m_pmgnIMF(0) {
 
    //yzhang delete
  //StatusCode scmgn = Gaudi::svcLocator()->service("MagneticFieldSvc",m_pmgnIMF); 
  //if(scmgn!=StatusCode::SUCCESS) { 
  //  std::cout<< name <<" Unable to open Magnetic field service"<<std::endl;
  //}else{
  //  std::cout<< name <<" open Magnetic field service"<<std::endl;
  //}
 
}

◆ ~THelixFitter()

THelixFitter::~THelixFitter ( )

virtual

Destructor.

Definition at line 144 of file THelixFitter.cxx.

144 {

145}

Member Function Documentation

◆ chi2()

double THelixFitter::chi2 ( void ) const

inline

returns sum of chi2 aftter fit.

Definition at line 305 of file THelixFitter.h.

                             {
    return _fitted_chi2;
}

◆ corrections() [1/2]

unsigned THelixFitter::corrections ( unsigned a )

inline

Definition at line 293 of file THelixFitter.h.

                                    {
    return _corrections = a;
}

◆ corrections() [2/2]

unsigned THelixFitter::corrections ( void ) const

inline

sets/returns correctin flag.

Definition at line 287 of file THelixFitter.h.

                                    {
    return _corrections;
}

◆ dump()

void THelixFitter::dump	(	const std::string &	message = `std::string("")`,
		const std::string &	prefix = `std::string("")`
	)		const

dumps debug information.

◆ fit() [1/4]

int THelixFitter::fit ( TTrackBase & a ) const

inlinevirtual

Implements TMFitter.

Definition at line 231 of file THelixFitter.h.

                                      {
    if (! _freeT0) return main(a, 0.);
    else {
    float tev = 0.;
    float tevError;
    return main(a, tev, tevError);
    }
}

Referenced by TBuilder::build(), TBuilder::buildRphi(), TBuilder::buildStereo(), TBuilderCurl::buildStereo(), TBuilderCurl::buildStereoMC(), TPerfectFinder::doit(), TTrackManager::mask(), TTrackManager::maskCurl(), TTrackManager::maskNormal(), TTrackManager::merge(), TTrackManager::refit(), and TBuilder::salvage().

◆ fit() [2/4]

int THelixFitter::fit	(	TTrackBase &	a,
		double *	pre_chi2,
		double *	fitted_chi2
	)		const

inline

Definition at line 242 of file THelixFitter.h.

                                                       {
    if (! _freeT0) return main(a, 0., pre_chi2, fitted_chi2);
    else {
    float tev = 0.;
    float tevError;
    return main(a, tev, tevError, pre_chi2, fitted_chi2);
    }
}

◆ fit() [3/4]

int THelixFitter::fit	(	TTrackBase &	a,
		float &	tev,
		float &	tev_err,
		double *	pre_chi2 = `NULL`,
		double *	fitted_chi2 = `NULL`
	)		const

inline

Definition at line 267 of file THelixFitter.h.

                                                       {
    a._fitted = false;
    return main(a, tev, tev_err, pre_chi2, fitted_chi2);
}

◆ fit() [4/4]

int THelixFitter::fit	(	TTrackBase &	a,
		float	t0Offset,
		double *	pre_chi2 = `NULL`,
		double *	fitted_chi2 = `NULL`
	)		const

inline

Definition at line 254 of file THelixFitter.h.

                                                       {
    a._fitted = false;
    if (! _freeT0) return main(a, t0Offset, pre_chi2, fitted_chi2);
    else {
    float tev = t0Offset;
    float tevError;
    return main(a, tev, tevError, pre_chi2, fitted_chi2);
    }
}

◆ fit2D() [1/2]

bool THelixFitter::fit2D ( bool a )

inline

Definition at line 175 of file THelixFitter.h.

                          {
    return _fit2D = a;
}

◆ fit2D() [2/2]

bool THelixFitter::fit2D ( void ) const

inline

sets/returns 2D flag.

Definition at line 169 of file THelixFitter.h.

                              {
    return _fit2D;
}

Referenced by TTrackManager::determineT0().

◆ freeT0() [1/2]

bool THelixFitter::freeT0 ( bool a )

inline

Definition at line 281 of file THelixFitter.h.

                           {
    return _freeT0 = a;
}

◆ freeT0() [2/2]

bool THelixFitter::freeT0 ( void ) const

inline

sets/returns free T0 flag.

Definition at line 275 of file THelixFitter.h.

                               {
    return _freeT0;
}

Referenced by TTrackManager::fittingFlag(), and TBuilder::TBuilder().

◆ getMagneticFieldPointer()

IMagneticFieldSvc * THelixFitter::getMagneticFieldPointer ( void ) const

inline

Definition at line 98 of file THelixFitter.h.

98{return m_pmgnIMF;}

Referenced by TBuilder::build().

◆ preChi2()

double THelixFitter::preChi2 ( void ) const

inline

returns sum of chi2 before fit.

Definition at line 299 of file THelixFitter.h.

                                {
    return _pre_chi2;
}

◆ propagation() [1/2]

bool THelixFitter::propagation ( bool a )

inline

Definition at line 199 of file THelixFitter.h.

                                {
    if (a) _propagation = 1;
    else   _propagation = 0;
    return propagation();
}

◆ propagation() [2/2]

bool THelixFitter::propagation ( void ) const

inline

sets/returns propagation-delay correction flag.

Definition at line 193 of file THelixFitter.h.

                                    {
    return (bool) _propagation;
}

Referenced by TBuilderCurl::buildStereo(), TTrackManager::determineT0(), TTrackManager::fittingFlag(), propagation(), TBuilderCurl::setParam(), TBuilder::TBuilder(), and TBuilderCurl::TBuilderCurl().

◆ sag() [1/2]

bool THelixFitter::sag ( bool a )

inline

Definition at line 187 of file THelixFitter.h.

                        {
    return _sag = a;
}

◆ sag() [2/2]

bool THelixFitter::sag ( void ) const

inline

sets/returns sag correction flag.

Definition at line 181 of file THelixFitter.h.

                            {
    return _sag;
}

Referenced by TBuilderCurl::buildStereo(), TTrackManager::fittingFlag(), TBuilderCurl::setParam(), TBuilder::TBuilder(), and TBuilderCurl::TBuilderCurl().

◆ tanl() [1/2]

bool THelixFitter::tanl ( bool a )

inline

Definition at line 225 of file THelixFitter.h.

                         {
    return _tanl = a;
}

◆ tanl() [2/2]

bool THelixFitter::tanl ( void ) const

inline

sets/returns tanLambda correction flag.

Definition at line 219 of file THelixFitter.h.

                             {
    return _tanl;
}

◆ tof() [1/2]

bool THelixFitter::tof ( bool a )

inline

Definition at line 213 of file THelixFitter.h.

                        {
    return _tof = a;
}

◆ tof() [2/2]

bool THelixFitter::tof ( void ) const

inline

sets/returns propagation-delay correction flag.

Definition at line 207 of file THelixFitter.h.

                            {
    return _tof;
}

Referenced by TBuilderCurl::buildStereo(), TTrackManager::determineT0(), TTrackManager::fittingFlag(), TBuilderCurl::setParam(), TBuilder::TBuilder(), and TBuilderCurl::TBuilderCurl().

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

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ THelixFitter()

◆ ~THelixFitter()

Member Function Documentation

◆ chi2()

◆ corrections() [1/2]

◆ corrections() [2/2]

◆ dump()

◆ fit() [1/4]

◆ fit() [2/4]

◆ fit() [3/4]

◆ fit() [4/4]

◆ fit2D() [1/2]

◆ fit2D() [2/2]

◆ freeT0() [1/2]

◆ freeT0() [2/2]

◆ getMagneticFieldPointer()

◆ preChi2()

◆ propagation() [1/2]

◆ propagation() [2/2]

◆ sag() [1/2]

◆ sag() [2/2]

◆ tanl() [1/2]

◆ tanl() [2/2]

◆ tof() [1/2]

◆ tof() [2/2]