BOSS 7.0.5
BESIII Offline Software System
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Public Member Functions | List of all members
THelixFitter Class Reference

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
 
 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
 
 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)
 
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 InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

Constructor & Destructor Documentation

◆ THelixFitter() [1/2]

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

Constructor.

Definition at line 122 of file THelixFitter.cxx.

123: TMFitter(name),
124 _fit2D(false),
125 _freeT0(false),
126 _sag(false),
127 _propagation(false),
128 _tof(false),
129 _tanl(false),
130 _pre_chi2(0.),
131 _fitted_chi2(0.),
132 m_pmgnIMF(0) {
133
134 //yzhang delete
135 //StatusCode scmgn = Gaudi::svcLocator()->service("MagneticFieldSvc",m_pmgnIMF);
136 //if(scmgn!=StatusCode::SUCCESS) {
137 // std::cout<< name <<" Unable to open Magnetic field service"<<std::endl;
138 //}else{
139 // std::cout<< name <<" open Magnetic field service"<<std::endl;
140 //}
141
142}
TMFitter
A class to fit a TTrackBase object.
Definition: InstallArea/include/TrkReco/TrkReco/TMFitter.h:34
TMFitter::name
const std::string & name(void) const
returns name.
Definition: InstallArea/include/TrkReco/TrkReco/TMFitter.h:73

◆ ~THelixFitter() [1/2]

THelixFitter::~THelixFitter ( )
virtual

Destructor.

Definition at line 144 of file THelixFitter.cxx.

144 {
145}

◆ THelixFitter() [2/2]

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

Constructor.

◆ ~THelixFitter() [2/2]

virtual THelixFitter::~THelixFitter ( )
virtual

Destructor.

Member Function Documentation

◆ chi2() [1/2]

double THelixFitter::chi2 ( void  ) const
inline

returns sum of chi2 aftter fit.

Definition at line 305 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

305 {
306 return _fitted_chi2;
307}

◆ chi2() [2/2]

double THelixFitter::chi2 ( void  ) const

returns sum of chi2 aftter fit.

◆ corrections() [1/4]

unsigned THelixFitter::corrections ( unsigned  a)
inline

Definition at line 293 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

293 {
294 return _corrections = a;
295}

◆ corrections() [2/4]

unsigned THelixFitter::corrections ( unsigned  )

◆ corrections() [3/4]

unsigned THelixFitter::corrections ( void  ) const
inline

sets/returns correctin flag.

Definition at line 287 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

287 {
288 return _corrections;
289}

◆ corrections() [4/4]

unsigned THelixFitter::corrections ( void  ) const

sets/returns correctin flag.

◆ dump() [1/2]

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

dumps debug information.

◆ dump() [2/2]

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

dumps debug information.

◆ fit() [1/8]

int THelixFitter::fit ( TTrackBase &  a) const
inlinevirtual

Implements TMFitter.

Definition at line 231 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

231 {
232 if (! _freeT0) return main(a, 0.);
233 else {
234 float tev = 0.;
235 float tevError;
236 return main(a, tev, tevError);
237 }
238}
main
int main()
Definition: test_IFile.cxx:11

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() [2/8]

int THelixFitter::fit ( TTrackBase &  ) const
virtual

Implements TMFitter.

◆ fit() [3/8]

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

Definition at line 242 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

243 {
244 if (! _freeT0) return main(a, 0., pre_chi2, fitted_chi2);
245 else {
246 float tev = 0.;
247 float tevError;
248 return main(a, tev, tevError, pre_chi2, fitted_chi2);
249 }
250}

◆ fit() [4/8]

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

◆ fit() [5/8]

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 InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

268 {
269 a._fitted = false;
270 return main(a, tev, tev_err, pre_chi2, fitted_chi2);
271}

◆ fit() [6/8]

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

◆ fit() [7/8]

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

Definition at line 254 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

255 {
256 a._fitted = false;
257 if (! _freeT0) return main(a, t0Offset, pre_chi2, fitted_chi2);
258 else {
259 float tev = t0Offset;
260 float tevError;
261 return main(a, tev, tevError, pre_chi2, fitted_chi2);
262 }
263}

◆ fit() [8/8]

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

◆ fit2D() [1/4]

bool THelixFitter::fit2D ( bool  a)
inline

Definition at line 175 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

175 {
176 return _fit2D = a;
177}

◆ fit2D() [2/4]

bool THelixFitter::fit2D ( bool  )

◆ fit2D() [3/4]

bool THelixFitter::fit2D ( void  ) const
inline

sets/returns 2D flag.

Definition at line 169 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

169 {
170 return _fit2D;
171}

Referenced by TTrackManager::determineT0().

◆ fit2D() [4/4]

bool THelixFitter::fit2D ( void  ) const

sets/returns 2D flag.

◆ freeT0() [1/4]

bool THelixFitter::freeT0 ( bool  a)
inline

Definition at line 281 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

281 {
282 return _freeT0 = a;
283}

◆ freeT0() [2/4]

bool THelixFitter::freeT0 ( bool  )

◆ freeT0() [3/4]

bool THelixFitter::freeT0 ( void  ) const
inline

sets/returns free T0 flag.

Definition at line 275 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

275 {
276 return _freeT0;
277}

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

◆ freeT0() [4/4]

bool THelixFitter::freeT0 ( void  ) const

sets/returns free T0 flag.

◆ getMagneticFieldPointer() [1/2]

IMagneticFieldSvc * THelixFitter::getMagneticFieldPointer ( void  ) const
inline

Definition at line 98 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

98{return m_pmgnIMF;}

Referenced by TBuilder::build().

◆ getMagneticFieldPointer() [2/2]

IMagneticFieldSvc * THelixFitter::getMagneticFieldPointer ( void  ) const
inline

Definition at line 98 of file Reconstruction/TrkReco/TrkReco-00-08-59-patch4-slc6tag/TrkReco/THelixFitter.h.

98{return m_pmgnIMF;}

◆ preChi2() [1/2]

double THelixFitter::preChi2 ( void  ) const
inline

returns sum of chi2 before fit.

Definition at line 299 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

299 {
300 return _pre_chi2;
301}

◆ preChi2() [2/2]

double THelixFitter::preChi2 ( void  ) const

returns sum of chi2 before fit.

◆ propagation() [1/4]

bool THelixFitter::propagation ( bool  a)
inline

Definition at line 199 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

199 {
200 if (a) _propagation = 1;
201 else _propagation = 0;
202 return propagation();
203}
THelixFitter::propagation
bool propagation(void) const
sets/returns propagation-delay correction flag.
Definition: InstallArea/include/TrkReco/TrkReco/THelixFitter.h:193

◆ propagation() [2/4]

bool THelixFitter::propagation ( bool  )

◆ propagation() [3/4]

bool THelixFitter::propagation ( void  ) const
inline

sets/returns propagation-delay correction flag.

Definition at line 193 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

193 {
194 return (bool) _propagation;
195}

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

◆ propagation() [4/4]

bool THelixFitter::propagation ( void  ) const

sets/returns propagation-delay correction flag.

◆ sag() [1/4]

bool THelixFitter::sag ( bool  a)
inline

Definition at line 187 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

187 {
188 return _sag = a;
189}

◆ sag() [2/4]

bool THelixFitter::sag ( bool  )

◆ sag() [3/4]

bool THelixFitter::sag ( void  ) const
inline

sets/returns sag correction flag.

Definition at line 181 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

181 {
182 return _sag;
183}

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

◆ sag() [4/4]

bool THelixFitter::sag ( void  ) const

sets/returns sag correction flag.

◆ tanl() [1/4]

bool THelixFitter::tanl ( bool  a)
inline

Definition at line 225 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

225 {
226 return _tanl = a;
227}

◆ tanl() [2/4]

bool THelixFitter::tanl ( bool  )

◆ tanl() [3/4]

bool THelixFitter::tanl ( void  ) const
inline

sets/returns tanLambda correction flag.

Definition at line 219 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

219 {
220 return _tanl;
221}

◆ tanl() [4/4]

bool THelixFitter::tanl ( void  ) const

sets/returns tanLambda correction flag.

◆ tof() [1/4]

bool THelixFitter::tof ( bool  a)
inline

Definition at line 213 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

213 {
214 return _tof = a;
215}

◆ tof() [2/4]

bool THelixFitter::tof ( bool  )

◆ tof() [3/4]

bool THelixFitter::tof ( void  ) const
inline

sets/returns propagation-delay correction flag.

Definition at line 207 of file InstallArea/include/TrkReco/TrkReco/THelixFitter.h.

207 {
208 return _tof;
209}

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

◆ tof() [4/4]

bool THelixFitter::tof ( void  ) const

sets/returns propagation-delay correction flag.

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