The DTrackWireBased_factory class coordinates the fitting of wire-based tracks. While the hit selection is done here, the actual heavy lifting of the fit is done by the DTrackFitter class (or, more specifically, a class that inherits from DTrackFitter). More...

#include <DTrackWireBased_factory.h>

Inheritance diagram for DTrackWireBased_factory:

Public Member Functions
	DTrackWireBased_factory ()

	~DTrackWireBased_factory ()

Private Member Functions
jerror_t	init (void)
	Called once at program start. More...

jerror_t	brun (jana::JEventLoop *loop, int32_t runnumber)
	Called everytime a new run number is detected. More...

jerror_t	evnt (jana::JEventLoop *loop, uint64_t eventnumber)
	Called every event. More...

jerror_t	erun (void)
	Called everytime run number changes, provided brun has been called. More...

jerror_t	fini (void)
	Called after last event of last event source has been processed. More...

void	FilterDuplicates (void)

void	DoFit (unsigned int c_id, const DTrackCandidate candidate, DReferenceTrajectory rt, jana::JEventLoop *loop, double mass)

void	AddMissingTrackHypothesis (vector< DTrackWireBased * > &tracks_to_add, const DTrackWireBased *src_track, double my_mass, double q)

bool	InsertMissingHypotheses (void)

void	CorrectForELoss (DVector3 &position, DVector3 &momentum, double q, double mass)

void	AddMissingTrackHypotheses (unsigned int mass_bits, vector< DTrackWireBased * > &tracks_to_add, vector< DTrackWireBased * > &hypotheses, double q)

Private Attributes
int	DEBUG_LEVEL

DTrackFitter *	fitter

DReferenceTrajectory *	rt

vector< int >	mass_hypotheses_positive

vector< int >	mass_hypotheses_negative

size_t	MAX_DReferenceTrajectoryPoolSize

int	mNumHypPlus

int	mNumHypMinus

const DGeometry *	geom

bool	DEBUG_HISTS

bool	SKIP_MASS_HYPOTHESES_WIRE_BASED

bool	USE_HITS_FROM_CANDIDATE

double	MIN_FIT_P

double	PROTON_MOM_THRESH

bool	dIsNoFieldFlag

double	dFCALz

double	dTOFz

double	dDIRCz

vector< vector< DVector3 > >	sc_dir

vector< vector< DVector3 > >	sc_pos

vector< vector< DVector3 > >	sc_norm

double	SC_BARREL_R

double	SC_END_NOSE_Z

double	SC_PHI_SECTOR1

const DParticleID *	dPIDAlgorithm

Detailed Description

The DTrackWireBased_factory class coordinates the fitting of wire-based tracks. While the hit selection is done here, the actual heavy lifting of the fit is done by the DTrackFitter class (or, more specifically, a class that inherits from DTrackFitter).

This grabs a DTrackFitter object using the default Tag through JANA and uses it to fit the DTrackCandidate objects which it grabs also using the default Tag.

The DTrackWireBased objects are wire-based tracks (no drift time information is used). As such, this is hardwired to set the fit type for the DTrackFitter to kWireBased. See the DTrackTimeBased classes for the time-based counterpart.

This may appear uneccessarily complex, but it provides for using the exact same code for fitting both wire-based and time-based tracks as well as allowing a lot of flexibility in swapping out the DTrackFitter class used by both the wire-based and time-based stages using the same DEFTAG mechanism used by the rest of JANA.

Definition at line 50 of file DTrackWireBased_factory.h.

Constructor & Destructor Documentation

DTrackWireBased_factory::DTrackWireBased_factory ( )

inline

Definition at line 52 of file DTrackWireBased_factory.h.

DTrackWireBased_factory::~DTrackWireBased_factory ( )

inline

Definition at line 53 of file DTrackWireBased_factory.h.

Member Function Documentation

void DTrackWireBased_factory::AddMissingTrackHypotheses	(	unsigned int	mass_bits,
		vector< DTrackWireBased * > &	tracks_to_add,
		vector< DTrackWireBased * > &	hypotheses,
		double	q
	)

private

Definition at line 661 of file DTrackWireBased_factory.cc.

References AntiProton, Electron, KMinus, KPlus, ParticleMass(), PiMinus, PiPlus, Positron, and Proton.

void DTrackWireBased_factory::AddMissingTrackHypothesis	(	vector< DTrackWireBased * > &	tracks_to_add,
		const DTrackWireBased *	src_track,
		double	my_mass,
		double	q
	)

private

Definition at line 590 of file DTrackWireBased_factory.cc.

References DTrackWireBased::candidateid, DTrackWireBased::chisq, DTrackWireBased::dCDCRings, DTrackWireBased::dFDCPlanes, DTrackWireBased::extrapolations, DTrackWireBased::FOM, IDTrack(), xstream::base64::index(), DTrackWireBased::IsSmoothed, DTrackWireBased::Ndof, DTrackWireBased::pulls, DKinematicData::setMomentum(), DKinematicData::setPID(), DKinematicData::setPosition(), SYS_CDC, and SYS_FDC.

jerror_t DTrackWireBased_factory::brun	(	jana::JEventLoop *	loop,
		int32_t	runnumber
	)

private

Called everytime a new run number is detected.

Definition at line 155 of file DTrackWireBased_factory.cc.

References _DBG_, dapp, fitter, DApplication::GetBfield(), DApplication::GetDGeometry(), and temp.

void DTrackWireBased_factory::CorrectForELoss	(	DVector3 &	position,
		DVector3 &	momentum,
		double	q,
		double	mass
	)

private

Definition at line 646 of file DTrackWireBased_factory.cc.

References dir, and DReferenceTrajectory::kBackward.

void DTrackWireBased_factory::DoFit	(	unsigned int	c_id,
		const DTrackCandidate *	candidate,
		DReferenceTrajectory *	rt,
		jana::JEventLoop *	loop,
		double	mass
	)

private

Definition at line 432 of file DTrackWireBased_factory.cc.

References _DBG_, DTrackFitter::AddHits(), DTrackWireBased::candidateid, CDCSortByRincreasing(), DKinematicData::charge(), DTrackWireBased::chisq, DTrackWireBased::dCDCRings, DTrackWireBased::dFDCPlanes, DTrackWireBased::extrapolations, DReferenceTrajectory::FastSwimForHitSelection(), FDCSortByZincreasing(), DTrackFitter::FindHitsAndFitTrack(), fitter, DTrackFitter::FitTrack(), DTrackWireBased::FOM, DTrackFitter::GetCDCFitHits(), DTrackFitter::GetChisq(), DTrackFitter::GetExtrapolations(), DTrackFitter::GetFDCFitHits(), DTrackFitter::GetFitParameters(), DTrackFitter::GetNdof(), DTrackFitter::GetPulls(), DTrackFitter::kFitFailed, DTrackFitter::kFitNoImprovement, DTrackFitter::kFitNotDone, DTrackFitter::kFitSuccess, DTrackFitter::kWireBased, DKinematicData::momentum(), DTrackWireBased::Ndof, DKinematicData::position(), DTrackWireBased::pulls, DTrackFitter::Reset(), DTrackFitter::SetFitType(), and DReferenceTrajectory::SetMass().

jerror_t DTrackWireBased_factory::erun ( void )

private

Called everytime run number changes, provided brun has been called.

Definition at line 337 of file DTrackWireBased_factory.cc.

jerror_t DTrackWireBased_factory::evnt	(	jana::JEventLoop *	loop,
		uint64_t	eventnumber
	)

private

Called every event.

Definition at line 254 of file DTrackWireBased_factory.cc.

References _DBG_, _DBG__, DKinematicData::charge(), fitter, DKinematicData::momentum(), ParticleMass(), PiPlus, DKinematicData::position(), and Proton.

void DTrackWireBased_factory::FilterDuplicates ( void )

private

Look through all current DTrackWireBased objects and remove any that have all of their hits in common with another track

Definition at line 355 of file DTrackWireBased_factory.cc.

References _DBG_, DTrackWireBased::candidateid, count_common_members(), DKinematicData::mass(), and total.

jerror_t DTrackWireBased_factory::fini ( void )

private

Called after last event of last event source has been processed.

Definition at line 346 of file DTrackWireBased_factory.cc.

jerror_t DTrackWireBased_factory::init ( void )

private

Called once at program start.

Definition at line 74 of file DTrackWireBased_factory.cc.

References AntiProton, Electron, fitter, KMinus, KPlus, ParticleCharge(), PiMinus, PiPlus, Positron, Proton, and SplitString().

bool DTrackWireBased_factory::InsertMissingHypotheses ( void )

private

Definition at line 532 of file DTrackWireBased_factory.cc.

References DTrackWireBased_cmp().

Member Data Documentation

double DTrackWireBased_factory::dDIRCz

private

Definition at line 97 of file DTrackWireBased_factory.h.

bool DTrackWireBased_factory::DEBUG_HISTS

private

Definition at line 90 of file DTrackWireBased_factory.h.

int DTrackWireBased_factory::DEBUG_LEVEL

private

Definition at line 63 of file DTrackWireBased_factory.h.

double DTrackWireBased_factory::dFCALz

private

Definition at line 97 of file DTrackWireBased_factory.h.

bool DTrackWireBased_factory::dIsNoFieldFlag

private

Definition at line 95 of file DTrackWireBased_factory.h.

const DParticleID* DTrackWireBased_factory::dPIDAlgorithm

private

Definition at line 104 of file DTrackWireBased_factory.h.

double DTrackWireBased_factory::dTOFz

private

Definition at line 97 of file DTrackWireBased_factory.h.

DTrackFitter* DTrackWireBased_factory::fitter

private

Definition at line 64 of file DTrackWireBased_factory.h.

const DGeometry* DTrackWireBased_factory::geom

private

Definition at line 88 of file DTrackWireBased_factory.h.

vector<int> DTrackWireBased_factory::mass_hypotheses_negative

private

Definition at line 68 of file DTrackWireBased_factory.h.

vector<int> DTrackWireBased_factory::mass_hypotheses_positive

private

Definition at line 67 of file DTrackWireBased_factory.h.

size_t DTrackWireBased_factory::MAX_DReferenceTrajectoryPoolSize

private

Definition at line 69 of file DTrackWireBased_factory.h.

double DTrackWireBased_factory::MIN_FIT_P

private

Definition at line 93 of file DTrackWireBased_factory.h.

int DTrackWireBased_factory::mNumHypMinus

private

Definition at line 70 of file DTrackWireBased_factory.h.

int DTrackWireBased_factory::mNumHypPlus

private

Definition at line 70 of file DTrackWireBased_factory.h.

double DTrackWireBased_factory::PROTON_MOM_THRESH

private

Definition at line 94 of file DTrackWireBased_factory.h.

DReferenceTrajectory* DTrackWireBased_factory::rt

private

Definition at line 65 of file DTrackWireBased_factory.h.

double DTrackWireBased_factory::SC_BARREL_R

private

Definition at line 102 of file DTrackWireBased_factory.h.

vector<vector<DVector3> > DTrackWireBased_factory::sc_dir

private

Definition at line 99 of file DTrackWireBased_factory.h.

double DTrackWireBased_factory::SC_END_NOSE_Z

private

Definition at line 102 of file DTrackWireBased_factory.h.

vector<vector<DVector3> > DTrackWireBased_factory::sc_norm

private

Definition at line 101 of file DTrackWireBased_factory.h.

double DTrackWireBased_factory::SC_PHI_SECTOR1

private

Definition at line 102 of file DTrackWireBased_factory.h.

vector<vector<DVector3> > DTrackWireBased_factory::sc_pos

private

Definition at line 100 of file DTrackWireBased_factory.h.

bool DTrackWireBased_factory::SKIP_MASS_HYPOTHESES_WIRE_BASED

private

Definition at line 91 of file DTrackWireBased_factory.h.

bool DTrackWireBased_factory::USE_HITS_FROM_CANDIDATE

private

Definition at line 92 of file DTrackWireBased_factory.h.

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

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation