Define states for CKF algorithm, which can be seed track or CDC wire hit. More...

#include <CDCCKFState.h>

Public Member Functions
	CDCCKFState (const RecoTrack *seed, const genfit::MeasuredStateOnPlane &trackState)
	constructor from the seed recoTrack and genfit trackState

	CDCCKFState (const TrackFindingCDC::CDCWireHit *wireHit)
	constructor from the CDC wireHit

const TrackFindingCDC::CDCWireHit *	getWireHit () const
	Get CDCWireHit corresponding to the state.

const RecoTrack *	getSeed () const
	Get RecoTrack seed corresponding to the state.

const RecoTrack *	getMCRecoTrack (const std::string &mcRecoTrackStoreArrayName="MCRecoTracks") const
	Match seed to the MC track, return it. Works for seed-states only.

bool	isSeed () const
	Returns true if the state corresponds to the seed track.

const genfit::MeasuredStateOnPlane &	getTrackState () const
	Get genfit track state (but first check if already present)

void	setTrackState (const genfit::MeasuredStateOnPlane &trackState)
	Store genfit Measured state on plane.

void	setRLinfo (const TrackFindingCDC::ERightLeft &rl)
	Set right-left info for the hit.

TrackFindingCDC::ERightLeft	getRLinfo () const
	Return right-left info (check if present first)

void	setArcLength (double arcLength)
	Set the arc-length along the tracjectory to the hit.

double	getArcLength () const
	Return the arc-length along the tracjectory to the hit.

void	setHitDistance (double hitDistance)
	Set hit distance to the trajectory.

double	getHitDistance () const
	Return hit distance to the trajectory.

void	setWeight (double weight)
	Set state weight.

double	getWeight () const
	Get state weight.

void	setChi2 (double chi2)
	Set set chi2.

double	getChi2 () const
	Get state chi2.

void	setReconstructedZ (double reconstructedZ)
	Set state Z information.

double	getReconstructedZ () const
	Get state Z information.

TrackFindingCDC::CDCTrajectory3D	getTrajectory () const
	Helper method to get trajectory from the trackState.

Private Attributes
std::optional< const RecoTrack * >	m_seed
	(optional) pointer to the seed track

std::optional< const TrackFindingCDC::CDCWireHit * >	m_cdcWireHit
	(optional) pointer to the wire hit

std::optional< genfit::MeasuredStateOnPlane >	m_trackState
	(optional) genfit MeasuredStateOnPlane

double	m_arcLength = 0
	arc length along the trajectory to the hit

double	m_hitDistance = 0
	distance from the trajectory to the hit

double	m_weight = 0
	state weight

double	m_chi2 = 0
	state chi2 (using genfit extrapolation)

double	m_reconstructedZ = 0
	reconstructed Z coordinate

TrackFindingCDC::ERightLeft	m_rl = TrackFindingCDC::ERightLeft::c_Unknown
	Store if the track is on the right or left side of the hit.

Detailed Description

Define states for CKF algorithm, which can be seed track or CDC wire hit.

Definition at line 25 of file CDCCKFState.h.

Constructor & Destructor Documentation

◆ CDCCKFState() [1/2]

CDCCKFState	(	const RecoTrack *	seed,
		const genfit::MeasuredStateOnPlane &	trackState
	)

inline

constructor from the seed recoTrack and genfit trackState

Definition at line 28 of file CDCCKFState.h.

28 :

29 m_seed(seed), m_trackState(trackState) {}

Belle2::CDCCKFState::m_seed

std::optional< const RecoTrack * > m_seed

(optional) pointer to the seed track

Definition: CDCCKFState.h:159

Belle2::CDCCKFState::m_trackState

std::optional< genfit::MeasuredStateOnPlane > m_trackState

(optional) genfit MeasuredStateOnPlane

Definition: CDCCKFState.h:164

◆ CDCCKFState() [2/2]

CDCCKFState ( const TrackFindingCDC::CDCWireHit * wireHit )

inlineexplicit

constructor from the CDC wireHit

Definition at line 32 of file CDCCKFState.h.

32: m_cdcWireHit(wireHit) {}

Belle2::CDCCKFState::m_cdcWireHit

std::optional< const TrackFindingCDC::CDCWireHit * > m_cdcWireHit

(optional) pointer to the wire hit

Definition: CDCCKFState.h:161

Member Function Documentation

◆ getArcLength()

double getArcLength ( ) const

inline

Return the arc-length along the tracjectory to the hit.

Definition at line 94 of file CDCCKFState.h.

    {
      return m_arcLength;
    }

◆ getChi2()

double getChi2 ( ) const

inline

Get state chi2.

Definition at line 130 of file CDCCKFState.h.

    {
      return m_chi2;
    }

◆ getHitDistance()

double getHitDistance ( ) const

inline

Return hit distance to the trajectory.

Definition at line 106 of file CDCCKFState.h.

    {
      return m_hitDistance;
    }

◆ getMCRecoTrack()

const RecoTrack * getMCRecoTrack ( const std::string & mcRecoTrackStoreArrayName = "MCRecoTracks" ) const

inline

Match seed to the MC track, return it. Works for seed-states only.

Definition at line 49 of file CDCCKFState.h.

    {
      const RecoTrack* seed = getSeed();
      return seed->getRelated<RecoTrack>(mcRecoTrackStoreArrayName);
    }

◆ getReconstructedZ()

double getReconstructedZ ( ) const

inline

Get state Z information.

Definition at line 142 of file CDCCKFState.h.

    {
      return m_reconstructedZ;
    }

◆ getRLinfo()

TrackFindingCDC::ERightLeft getRLinfo ( ) const

inline

Return right-left info (check if present first)

Definition at line 81 of file CDCCKFState.h.

    {
      B2ASSERT("LR info is not present yet", m_rl != TrackFindingCDC::ERightLeft::c_Unknown);
      return m_rl;
    }

◆ getSeed()

const RecoTrack * getSeed ( ) const

inline

Get RecoTrack seed corresponding to the state.

Definition at line 42 of file CDCCKFState.h.

    {
      B2ASSERT("State does not represent a seed", static_cast<bool>(m_seed));
      return *m_seed;
    }

◆ getTrackState()

const genfit::MeasuredStateOnPlane & getTrackState ( ) const

inline

Get genfit track state (but first check if already present)

Definition at line 62 of file CDCCKFState.h.

    {
      B2ASSERT("State does not have a track state (yet)", static_cast<bool>(m_trackState));
      return *m_trackState;
    }

◆ getTrajectory()

TrackFindingCDC::CDCTrajectory3D getTrajectory ( ) const

inline

Helper method to get trajectory from the trackState.

Definition at line 148 of file CDCCKFState.h.

    {
      const auto& trackState = getTrackState();
      const TrackFindingCDC::Vector3D trackPosition(trackState.getPos());
      const TrackFindingCDC::Vector3D trackMomentum(trackState.getMom());
      return TrackFindingCDC::CDCTrajectory3D(trackPosition, trackState.getTime(),
                                              trackMomentum, trackState.getCharge());
    }

◆ getWeight()

double getWeight ( ) const

inline

Get state weight.

Definition at line 118 of file CDCCKFState.h.

    {
      return m_weight;
    }

◆ getWireHit()

const TrackFindingCDC::CDCWireHit * getWireHit ( ) const

inline

Get CDCWireHit corresponding to the state.

Definition at line 35 of file CDCCKFState.h.

    {
      B2ASSERT("State does not represent a wire hit", static_cast<bool>(m_cdcWireHit));
      return *m_cdcWireHit;
    }

◆ isSeed()

bool isSeed ( ) const

inline

Returns true if the state corresponds to the seed track.

Definition at line 56 of file CDCCKFState.h.

    {
      return static_cast<bool>(m_seed);
    }

◆ setArcLength()

void setArcLength ( double arcLength )

inline

Set the arc-length along the tracjectory to the hit.

Definition at line 88 of file CDCCKFState.h.

    {
      m_arcLength = arcLength;
    }

◆ setChi2()

void setChi2 ( double chi2 )

inline

Set set chi2.

Definition at line 124 of file CDCCKFState.h.

    {
      m_chi2 = chi2;
    }

◆ setHitDistance()

void setHitDistance ( double hitDistance )

inline

Set hit distance to the trajectory.

Definition at line 100 of file CDCCKFState.h.

    {
      m_hitDistance = hitDistance;
    }

◆ setReconstructedZ()

void setReconstructedZ ( double reconstructedZ )

inline

Set state Z information.

Definition at line 136 of file CDCCKFState.h.

    {
      m_reconstructedZ = reconstructedZ;
    }

◆ setRLinfo()

void setRLinfo ( const TrackFindingCDC::ERightLeft & rl )

inline

Set right-left info for the hit.

Definition at line 75 of file CDCCKFState.h.

    {
      m_rl = rl;
    }

◆ setTrackState()

void setTrackState ( const genfit::MeasuredStateOnPlane & trackState )

inline

Store genfit Measured state on plane.

Definition at line 69 of file CDCCKFState.h.

    {
      m_trackState = trackState;
    }

◆ setWeight()

void setWeight ( double weight )

inline

Set state weight.

Definition at line 112 of file CDCCKFState.h.

    {
      m_weight = weight;
    }

Member Data Documentation

◆ m_arcLength

double m_arcLength = 0

private

arc length along the trajectory to the hit

Definition at line 167 of file CDCCKFState.h.

◆ m_cdcWireHit

std::optional<const TrackFindingCDC::CDCWireHit*> m_cdcWireHit

private

(optional) pointer to the wire hit

Definition at line 161 of file CDCCKFState.h.

◆ m_chi2

double m_chi2 = 0

private

state chi2 (using genfit extrapolation)

Definition at line 176 of file CDCCKFState.h.

◆ m_hitDistance

double m_hitDistance = 0

private

distance from the trajectory to the hit

Definition at line 170 of file CDCCKFState.h.

◆ m_reconstructedZ

double m_reconstructedZ = 0

private

reconstructed Z coordinate

Definition at line 179 of file CDCCKFState.h.

◆ m_rl

TrackFindingCDC::ERightLeft m_rl = TrackFindingCDC::ERightLeft::c_Unknown

private

Store if the track is on the right or left side of the hit.

Definition at line 182 of file CDCCKFState.h.

◆ m_seed

std::optional<const RecoTrack*> m_seed

private

(optional) pointer to the seed track

Definition at line 159 of file CDCCKFState.h.

◆ m_trackState

std::optional<genfit::MeasuredStateOnPlane> m_trackState

private

(optional) genfit MeasuredStateOnPlane

Definition at line 164 of file CDCCKFState.h.

◆ m_weight

double m_weight = 0

private

state weight

Definition at line 173 of file CDCCKFState.h.

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

tracking/ckf/cdc/entities/include/CDCCKFState.h

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ CDCCKFState() [1/2]

◆ CDCCKFState() [2/2]

Member Function Documentation

◆ getArcLength()

◆ getChi2()

◆ getHitDistance()

◆ getMCRecoTrack()

◆ getReconstructedZ()

◆ getRLinfo()

◆ getSeed()

◆ getTrackState()

◆ getTrajectory()

◆ getWeight()

◆ getWireHit()

◆ isSeed()

◆ setArcLength()

◆ setChi2()

◆ setHitDistance()

◆ setReconstructedZ()

◆ setRLinfo()

◆ setTrackState()

◆ setWeight()

Member Data Documentation

◆ m_arcLength

◆ m_cdcWireHit

◆ m_chi2

◆ m_hitDistance

◆ m_reconstructedZ

◆ m_rl

◆ m_seed

◆ m_trackState

◆ m_weight