Implementation of a track object. More...

#include <Track.h>

Classes
struct	TrackState

Public Member Functions
virtual	~Track ()
	Destructor.

void	clear ()

void	setNhits (int nhits)

int	getNhits () const

std::optional< TrackState >	getTrackState (TrackStateType tstype) const

void	setNoutliers (int nout)

int	getNoutliers () const

void	setNdf (int ndf)

int	getNdf () const

void	setNsharedHits (int nsh)

int	getNsharedHits () const

void	setChi2 (double chi2)

double	getChi2 () const

void	setTrackID (int trackid)

int	getTrackID () const

void	setTruthProb (double truthProb)

double	getTruthProb () const

void	setPdgID (int pdgID)

int	getPdgID () const

void	addDedxMeasurement (float path_length)

std::vector< float >	getDedxMeasurements () const

void	addMeasurementIndex (unsigned int measIdx)

std::vector< unsigned int >	getMeasurementsIdxs () const

void	addOutlierIndex (unsigned int measIdx)

std::vector< unsigned int >	getOutlierIdxs () const

void	addHoleIndex (unsigned int measIdx)

std::vector< unsigned int >	getHoleIdxs () const

void	addSharedIndex (unsigned int measIdx)

std::vector< unsigned int >	getSharedIdxs () const

void	setCharge (int q)

double	getCharge () const

void	setTime (double time)

double	getTime () const

void	setPerigeeParameters (const std::vector< double > &par)

std::vector< double >	getPerigeeParameters () const

void	setPerigeeCov (const std::vector< double > &cov)

std::vector< double >	getPerigeeCov () const

void	setPerigeeLocation (const std::vector< double > &perigee)

void	setPerigeeLocation (const double &x, const double &y, const double &z)

std::vector< double >	getPerigeeLocation () const

double	getPerigeeX () const

double	getPerigeeY () const

double	getPerigeeZ () const

double	getD0 () const

double	getZ0 () const

double	getPhi () const

double	getTheta () const

double	getQoP () const

double	getT () const

void	addTrackState (const ldmx::Track::TrackState &ts)

std::vector< TrackState >	getTrackStates () const

std::vector< double >	getMomentumAtTarget () const
	Returns the momentum (px, py, pz) in MeV in the LDMX global frame from the AtTarget TrackState.

std::vector< double >	getPositionAtTarget () const
	Returns the position (x, y, z) in mm in the LDMX global frame from the AtTarget TrackState.

std::vector< double >	getMomentum (TrackStateType tstype) const
	Returns the momentum (px, py, pz) in MeV in the LDMX global frame for the requested TrackState type.

std::vector< double >	getPosition (TrackStateType tstype) const
	Returns the position (x, y, z) in mm in the LDMX global frame for the requested TrackState type.

std::vector< double >	getCovariance (TrackStateType tstype) const
	Returns the 21-element upper-triangular covariance vector over (x, y, z, px, py, pz) in LDMX global coordinates for the requested TrackState type.

Protected Member Functions
	ClassDef (Track, 6)
	Class declaration needed by the ROOT dictionary.

Protected Attributes
int	n_hits_ {0}

int	n_outliers_ {0}

int	ndf_ {0}

int	n_shared_hits_ {0}

int	n_holes_ {0}

double	chi2_ {0}

std::vector< double >	perigee_pars_ {0., 0., 0., 0., 0., 0.}

std::vector< double >	perigee_cov_

std::vector< double >	perigee_

std::vector< float >	dedx_measurements_ {}

std::vector< unsigned int >	meas_idxs_ {}

std::vector< unsigned int >	outlier_idxs_ {}

std::vector< unsigned int >	hole_idxs_ {}

std::vector< unsigned int >	shared_idxs_ {}

int	track_id_ {-1}

double	truth_prob_ {0.}

int	pdg_id_ {0}

int	charge_ {0}

double	time_ {-666.0}

std::vector< TrackState >	track_states_

Friends
std::ostream &	operator<< (std::ostream &o, const Track &d)
	Print the string representation of this object.

Detailed Description

Implementation of a track object.

This class encapsulates all the information of a particle trajectory in the tracker

Definition at line 53 of file Track.h.

Constructor & Destructor Documentation

◆ Track()

ldmx::Track::Track ( )

inline

Definition at line 81 of file Track.h.

81{};

◆ ~Track()

virtual ldmx::Track::~Track ( )

inlinevirtual

Destructor.

Currently, the destructor does nothing.

Definition at line 88 of file Track.h.

88{};

Member Function Documentation

◆ addDedxMeasurement()

void ldmx::Track::addDedxMeasurement ( float path_length )

inline

Definition at line 139 of file Track.h.

                                             {
    dedx_measurements_.push_back(path_length);
  }

◆ addHoleIndex()

void ldmx::Track::addHoleIndex ( unsigned int measIdx )

inline

Definition at line 154 of file Track.h.

154{ hole_idxs_.push_back(measIdx); }

◆ addMeasurementIndex()

void ldmx::Track::addMeasurementIndex ( unsigned int measIdx )

inline

Definition at line 144 of file Track.h.

                                                 {
    meas_idxs_.push_back(measIdx);
  }

◆ addOutlierIndex()

void ldmx::Track::addOutlierIndex ( unsigned int measIdx )

inline

Definition at line 149 of file Track.h.

                                             {
    outlier_idxs_.push_back(measIdx);
  }

◆ addSharedIndex()

void ldmx::Track::addSharedIndex ( unsigned int measIdx )

inline

Definition at line 157 of file Track.h.

157{ shared_idxs_.push_back(measIdx); }

◆ addTrackState()

void ldmx::Track::addTrackState ( const ldmx::Track::TrackState & ts )

inline

Definition at line 195 of file Track.h.

                                                    {
    track_states_.push_back(ts);
  };

◆ clear()

void ldmx::Track::clear ( )

inline

Definition at line 98 of file Track.h.

98{};

◆ getCharge()

double ldmx::Track::getCharge ( ) const

inline

Definition at line 161 of file Track.h.

161{ return charge_; }

◆ getChi2()

double ldmx::Track::getChi2 ( ) const

inline

Definition at line 123 of file Track.h.

123{ return chi2_; }

◆ getCovariance()

std::vector< double > ldmx::Track::getCovariance ( TrackStateType tstype ) const

inline

Returns the 21-element upper-triangular covariance vector over (x, y, z, px, py, pz) in LDMX global coordinates for the requested TrackState type.

Units: mm^2 (pos-pos), mm*MeV (pos-mom), MeV^2 (mom-mom). Returns an empty vector if not available.

Definition at line 239 of file Track.h.

                                                               {
    for (const auto& ts : track_states_)
      if (ts.ts_type_ == tstype) return ts.pos_mom_cov_;
    return {};
  }

◆ getD0()

double ldmx::Track::getD0 ( ) const

inline

Definition at line 188 of file Track.h.

188{ return perigee_pars_[0]; }

◆ getDedxMeasurements()

std::vector< float > ldmx::Track::getDedxMeasurements ( ) const

inline

Definition at line 142 of file Track.h.

142{ return dedx_measurements_; }

◆ getHoleIdxs()

std::vector< unsigned int > ldmx::Track::getHoleIdxs ( ) const

inline

Definition at line 155 of file Track.h.

155{ return hole_idxs_; }

◆ getMeasurementsIdxs()

std::vector< unsigned int > ldmx::Track::getMeasurementsIdxs ( ) const

inline

Definition at line 147 of file Track.h.

147{ return meas_idxs_; }

◆ getMomentum()

std::vector< double > ldmx::Track::getMomentum ( TrackStateType tstype ) const

inline

Returns the momentum (px, py, pz) in MeV in the LDMX global frame for the requested TrackState type.

Returns an empty vector if not available.

Definition at line 220 of file Track.h.

                                                             {
    for (const auto& ts : track_states_)
      if (ts.ts_type_ == tstype) return ts.mom_;
    return {};
  }

◆ getMomentumAtTarget()

std::vector< double > ldmx::Track::getMomentumAtTarget ( ) const

inline

Returns the momentum (px, py, pz) in MeV in the LDMX global frame from the AtTarget TrackState.

Returns an empty vector if not available.

Definition at line 203 of file Track.h.

                                                {
    for (const auto& ts : track_states_)
      if (ts.ts_type_ == AtTarget) return ts.mom_;
    return {};
  }

◆ getNdf()

int ldmx::Track::getNdf ( ) const

inline

Definition at line 117 of file Track.h.

117{ return ndf_; };

◆ getNhits()

int ldmx::Track::getNhits ( ) const

inline

Definition at line 101 of file Track.h.

101{ return n_hits_; }

◆ getNoutliers()

int ldmx::Track::getNoutliers ( ) const

inline

Definition at line 114 of file Track.h.

114{ return n_outliers_; }

◆ getNsharedHits()

int ldmx::Track::getNsharedHits ( ) const

inline

Definition at line 120 of file Track.h.

120{ return n_shared_hits_; }

◆ getOutlierIdxs()

std::vector< unsigned int > ldmx::Track::getOutlierIdxs ( ) const

inline

Definition at line 152 of file Track.h.

152{ return outlier_idxs_; }

◆ getPdgID()

int ldmx::Track::getPdgID ( ) const

inline

Definition at line 132 of file Track.h.

132{ return pdg_id_; };

◆ getPerigeeCov()

std::vector< double > ldmx::Track::getPerigeeCov ( ) const

inline

Definition at line 173 of file Track.h.

173{ return perigee_cov_; }

◆ getPerigeeLocation()

std::vector< double > ldmx::Track::getPerigeeLocation ( ) const

inline

Definition at line 183 of file Track.h.

183{ return perigee_; }

◆ getPerigeeParameters()

std::vector< double > ldmx::Track::getPerigeeParameters ( ) const

inline

Definition at line 170 of file Track.h.

170{ return perigee_pars_; }

◆ getPerigeeX()

double ldmx::Track::getPerigeeX ( ) const

inline

Definition at line 184 of file Track.h.

184{ return perigee_[0]; }

◆ getPerigeeY()

double ldmx::Track::getPerigeeY ( ) const

inline

Definition at line 185 of file Track.h.

185{ return perigee_[1]; }

◆ getPerigeeZ()

double ldmx::Track::getPerigeeZ ( ) const

inline

Definition at line 186 of file Track.h.

186{ return perigee_[2]; }

◆ getPhi()

double ldmx::Track::getPhi ( ) const

inline

Definition at line 190 of file Track.h.

190{ return perigee_pars_[2]; }

◆ getPosition()

std::vector< double > ldmx::Track::getPosition ( TrackStateType tstype ) const

inline

Returns the position (x, y, z) in mm in the LDMX global frame for the requested TrackState type.

Returns an empty vector if not available.

Definition at line 229 of file Track.h.

                                                             {
    for (const auto& ts : track_states_)
      if (ts.ts_type_ == tstype) return ts.pos_;
    return {};
  }

◆ getPositionAtTarget()

std::vector< double > ldmx::Track::getPositionAtTarget ( ) const

inline

Returns the position (x, y, z) in mm in the LDMX global frame from the AtTarget TrackState.

Returns an empty vector if not available.

Definition at line 211 of file Track.h.

                                                {
    for (const auto& ts : track_states_)
      if (ts.ts_type_ == AtTarget) return ts.pos_;
    return {};
  }

◆ getQoP()

double ldmx::Track::getQoP ( ) const

inline

Definition at line 192 of file Track.h.

192{ return perigee_pars_[4]; }

◆ getSharedIdxs()

std::vector< unsigned int > ldmx::Track::getSharedIdxs ( ) const

inline

Definition at line 158 of file Track.h.

158{ return shared_idxs_; }

◆ getT()

double ldmx::Track::getT ( ) const

inline

Definition at line 193 of file Track.h.

193{ return perigee_pars_[5]; }

◆ getTheta()

double ldmx::Track::getTheta ( ) const

inline

Definition at line 191 of file Track.h.

191{ return perigee_pars_[3]; }

◆ getTime()

double ldmx::Track::getTime ( ) const

inline

Definition at line 164 of file Track.h.

164{ return time_; }

◆ getTrackID()

int ldmx::Track::getTrackID ( ) const

inline

Definition at line 126 of file Track.h.

126{ return track_id_; };

◆ getTrackState()

std::optional< TrackState > ldmx::Track::getTrackState ( TrackStateType tstype ) const

inline

Definition at line 103 of file Track.h.

                                                                     {
    for (auto ts : track_states_)
      if (ts.ts_type_ == tstype) return std::optional<TrackState>(ts);
 
    return std::nullopt;
  }

◆ getTrackStates()

std::vector< TrackState > ldmx::Track::getTrackStates ( ) const

inline

Definition at line 199 of file Track.h.

199{ return track_states_; }

◆ getTruthProb()

double ldmx::Track::getTruthProb ( ) const

inline

Definition at line 129 of file Track.h.

129{ return truth_prob_; };

◆ getZ0()

double ldmx::Track::getZ0 ( ) const

inline

Definition at line 189 of file Track.h.

189{ return perigee_pars_[1]; }

◆ setCharge()

void ldmx::Track::setCharge ( int q )

inline

Definition at line 160 of file Track.h.

160{ charge_ = q; }

◆ setChi2()

void ldmx::Track::setChi2 ( double chi2 )

inline

Definition at line 122 of file Track.h.

122{ chi2_ = chi2; }

◆ setNdf()

void ldmx::Track::setNdf ( int ndf )

inline

Definition at line 116 of file Track.h.

116{ ndf_ = ndf; }

◆ setNhits()

void ldmx::Track::setNhits ( int nhits )

inline

Definition at line 100 of file Track.h.

100{ n_hits_ = nhits; }

◆ setNoutliers()

void ldmx::Track::setNoutliers ( int nout )

inline

Definition at line 113 of file Track.h.

113{ n_outliers_ = nout; }

◆ setNsharedHits()

void ldmx::Track::setNsharedHits ( int nsh )

inline

Definition at line 119 of file Track.h.

119{ n_shared_hits_ = nsh; }

◆ setPdgID()

void ldmx::Track::setPdgID ( int pdgID )

inline

Definition at line 131 of file Track.h.

131{ pdg_id_ = pdgID; };

◆ setPerigeeCov()

void ldmx::Track::setPerigeeCov ( const std::vector< double > & cov )

inline

Definition at line 172 of file Track.h.

172{ perigee_cov_ = cov; }

◆ setPerigeeLocation() [1/2]

void ldmx::Track::setPerigeeLocation	(	const double &	x,
		const double &	y,
		const double &	z )

inline

Definition at line 178 of file Track.h.

                                                                             {
    perigee_[0] = x;
    perigee_[1] = y;
    perigee_[2] = z;
  }

◆ setPerigeeLocation() [2/2]

void ldmx::Track::setPerigeeLocation ( const std::vector< double > & perigee )

inline

Definition at line 175 of file Track.h.

                                                            {
    perigee_ = perigee;
  }

◆ setPerigeeParameters()

void ldmx::Track::setPerigeeParameters ( const std::vector< double > & par )

inline

Definition at line 167 of file Track.h.

                                                          {
    perigee_pars_ = par;
  }

◆ setTime()

void ldmx::Track::setTime ( double time )

inline

Definition at line 163 of file Track.h.

163{ time_ = time; }

◆ setTrackID()

void ldmx::Track::setTrackID ( int trackid )

inline

Definition at line 125 of file Track.h.

125{ track_id_ = trackid; };

◆ setTruthProb()

void ldmx::Track::setTruthProb ( double truthProb )

inline

Definition at line 128 of file Track.h.

128{ truth_prob_ = truthProb; };

Friends And Related Symbol Documentation

◆ operator<<

std::ostream & operator<<	(	std::ostream &	o,
		const Track &	d )

friend

Print the string representation of this object.

This class is needed by ROOT when building the dictionary.

Definition at line 8 of file Track.cxx.

                                                      {
  return o << "Track { " << "TrackID: " << c.track_id_
           << ", n_hits: " << c.n_hits_ << ", n_outliers: " << c.n_outliers_
           << ", ndf: " << c.ndf_ << ", chi2: " << c.chi2_
           << ", truthProb: " << c.truth_prob_ << ", pdgID: " << c.pdg_id_
           << "] }";
}

Member Data Documentation

◆ charge_

int ldmx::Track::charge_ {0}

protected

Definition at line 292 of file Track.h.

292{0};

◆ chi2_

double ldmx::Track::chi2_ {0}

protected

Definition at line 252 of file Track.h.

252{0};

◆ dedx_measurements_

std::vector<float> ldmx::Track::dedx_measurements_ {}

protected

Definition at line 268 of file Track.h.

268{};

◆ hole_idxs_

std::vector<unsigned int> ldmx::Track::hole_idxs_ {}

protected

Definition at line 277 of file Track.h.

277{};

◆ meas_idxs_

std::vector<unsigned int> ldmx::Track::meas_idxs_ {}

protected

Definition at line 271 of file Track.h.

271{};

◆ n_hits_

int ldmx::Track::n_hits_ {0}

protected

Definition at line 246 of file Track.h.

246{0};

◆ n_holes_

int ldmx::Track::n_holes_ {0}

protected

Definition at line 250 of file Track.h.

250{0};

◆ n_outliers_

int ldmx::Track::n_outliers_ {0}

protected

Definition at line 247 of file Track.h.

247{0};

◆ n_shared_hits_

int ldmx::Track::n_shared_hits_ {0}

protected

Definition at line 249 of file Track.h.

249{0};

◆ ndf_

int ldmx::Track::ndf_ {0}

protected

Definition at line 248 of file Track.h.

248{0};

◆ outlier_idxs_

std::vector<unsigned int> ldmx::Track::outlier_idxs_ {}

protected

Definition at line 274 of file Track.h.

274{};

◆ pdg_id_

int ldmx::Track::pdg_id_ {0}

protected

Definition at line 289 of file Track.h.

289{0};

◆ perigee_

std::vector<double> ldmx::Track::perigee_

protected

Initial value:

{0., 0.,

0.}

Definition at line 264 of file Track.h.

264 {0., 0.,

265 0.}; // perigee location in mm, LDMX global

◆ perigee_cov_

std::vector<double> ldmx::Track::perigee_cov_

protected

Definition at line 263 of file Track.h.

◆ perigee_pars_

std::vector<double> ldmx::Track::perigee_pars_ {0., 0., 0., 0., 0., 0.}

protected

Definition at line 262 of file Track.h.

262{0., 0., 0., 0., 0., 0.};

◆ shared_idxs_

std::vector<unsigned int> ldmx::Track::shared_idxs_ {}

protected

Definition at line 280 of file Track.h.

280{};

◆ time_

double ldmx::Track::time_ {-666.0}

protected

Definition at line 295 of file Track.h.

295{-666.0};

◆ track_id_

int ldmx::Track::track_id_ {-1}

protected

Definition at line 283 of file Track.h.

283{-1};

◆ track_states_

std::vector<TrackState> ldmx::Track::track_states_

protected

Definition at line 298 of file Track.h.

◆ truth_prob_

double ldmx::Track::truth_prob_ {0.}

protected

Definition at line 286 of file Track.h.

286{0.};

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

Tracking/include/Tracking/Event/Track.h

Classes

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

◆ Track()

◆ ~Track()

Member Function Documentation

◆ addDedxMeasurement()

◆ addHoleIndex()

◆ addMeasurementIndex()

◆ addOutlierIndex()

◆ addSharedIndex()

◆ addTrackState()

◆ clear()

◆ getCharge()

◆ getChi2()

◆ getCovariance()

◆ getD0()

◆ getDedxMeasurements()

◆ getHoleIdxs()

◆ getMeasurementsIdxs()

◆ getMomentum()

◆ getMomentumAtTarget()

◆ getNdf()

◆ getNhits()

◆ getNoutliers()

◆ getNsharedHits()

◆ getOutlierIdxs()

◆ getPdgID()

◆ getPerigeeCov()

◆ getPerigeeLocation()

◆ getPerigeeParameters()

◆ getPerigeeX()

◆ getPerigeeY()

◆ getPerigeeZ()

◆ getPhi()

◆ getPosition()

◆ getPositionAtTarget()

◆ getQoP()

◆ getSharedIdxs()

◆ getT()

◆ getTheta()

◆ getTime()

◆ getTrackID()

◆ getTrackState()

◆ getTrackStates()

◆ getTruthProb()

◆ getZ0()

◆ setCharge()

◆ setChi2()

◆ setNdf()

◆ setNhits()

◆ setNoutliers()

◆ setNsharedHits()

◆ setPdgID()

◆ setPerigeeCov()

◆ setPerigeeLocation() [1/2]

◆ setPerigeeLocation() [2/2]

◆ setPerigeeParameters()

◆ setTime()

◆ setTrackID()

◆ setTruthProb()

Friends And Related Symbol Documentation

◆ operator<<

Member Data Documentation

◆ charge_

◆ chi2_

◆ dedx_measurements_

◆ hole_idxs_

◆ meas_idxs_

◆ n_hits_

◆ n_holes_

◆ n_outliers_

◆ n_shared_hits_

◆ ndf_

◆ outlier_idxs_

◆ pdg_id_