#include <KfTrackKalmanFilter.h>

Inheritance diagram for cbm::algo::kf::TrackKalmanFilter< DataT >:

Collaboration diagram for cbm::algo::kf::TrackKalmanFilter< DataT >:

Public Types
using	DataTscal = kf::utils::scaltype<DataT>

using	DataTmask = kf::utils::masktype<DataT>

Public Member Functions
	TrackKalmanFilter ()=default

	TrackKalmanFilter (const kf::TrackParam< DataT > &t)

	TrackKalmanFilter (const DataTmask &m, bool fitV)

template<typename T >
	TrackKalmanFilter (const kf::TrackParam< T > &t)

void	SetMask (const DataTmask &m)

template<typename T >
void	SetTrack (const kf::TrackParam< T > &t)

void	SetQp0 (DataT qp0)

kf::TrackParam< DataT > &	Tr ()

DataT &	Qp0 ()

void	SetDoFitVelocity (bool v)

void	SetOneEntry (const int i0, const TrackKalmanFilter &T1, const int i1)

std::string	ToString (int i=-1)

void	SetParticleMass (DataT mass)
	set particle mass for the fit

DataT	GetParticleMass () const
	get the particle mass

DataT	GetParticleMass2 () const
	get the particle mass squared

void	SetMaxExtrapolationStep (double step)
	set max extrapolation step [cm]

DataT	GetMaxExtrapolationStep () const
	get the particle mass

void	Filter1d (const kf::MeasurementU< DataT > &m)
	filter the track with the 1d measurement

void	FilterXY (const kf::MeasurementXy< DataT > &m, bool skipUnmeasuredCoordinates=false)
	filter the track with the XY measurement

void	FilterTime (DataT t, DataT dt2, const DataTmask &m)
	filter the track with the time measurement

void	FilterTime (kf::MeasurementTime< DataT > mt)
	filter the track with the time measurement

void	FilterVi (DataT vi)
	filter the inverse speed

void	MeasureVelocityWithQp ()
	measure the track velocity with the track Qp and the mass

void	Extrapolate (DataT z, const kf::FieldRegion< DataT > &F)

void	ExtrapolateStep (DataT z_out, const kf::FieldRegion< DataT > &F)

void	ExtrapolateLine (DataT z_out, const kf::FieldRegion< DataT > &F)
	extrapolate the track to the given Z using linearization at the straight line

void	ExtrapolateLineNoField (DataT z_out)
	extrapolate the track to the given Z assuming no magnetic field

void	EnergyLossCorrection (DataT radThick, FitDirection direction)

void	EnergyLossCorrection (int atomicZ, DataTscal atomicA, DataTscal rho, DataTscal radLen, DataT radThick, FitDirection direction)

void	MultipleScattering (DataT radThick, DataT tx0, DataT ty0, DataT qp0)
	apply multiple scattering correction to the track with the given Qp0

void	MultipleScattering (DataT radThick)
	apply multiple scattering correction to the track

void	MultipleScatteringInThickMaterial (DataT radThick, DataT thickness, bool fDownstream)
	apply multiple scattering correction in thick material to the track

void	GetExtrapolatedXYline (DataT z, const kf::FieldRegion< DataT > &F, DataT &extrX, DataT &extrY, std::array< DataT, kf::TrackParam< DataT >::kNtrackParam > &Jx, std::array< DataT, kf::TrackParam< DataT >::kNtrackParam > &Jy) const
	extrapolate track as a line, return the extrapolated X, Y and the Jacobians

void	FilterExtrapolatedXY (const kf::MeasurementXy< DataT > &m, DataT extrX, DataT extrY, const std::array< DataT, kf::TrackParam< DataT >::kNtrackParam > &Jx, const std::array< DataT, kf::TrackParam< DataT >::kNtrackParam > &Jy)

std::pair< DataT, DataT >	ExtrapolateLineXdX2 (DataT z_out) const

std::pair< DataT, DataT >	ExtrapolateLineYdY2 (DataT z_out) const

DataT	ExtrapolateLineDxy (DataT z_out) const

void	FilterWithTargetAtLine (DataT targZ, const kf::MeasurementXy< DataT > &targXYInfo, const kf::FieldRegion< DataT > &F)
	add target measuremet to the track using linearisation at a straight line

void	GuessTrack (const DataT &trackZ, const DataT hitX[], const DataT hitY[], const DataT hitZ[], const DataT hitT[], const DataT By[], const DataTmask hitW[], const DataTmask hitWtime[], int NHits)
	fast guess of track parameterts based on its hits

Static Public Member Functions
static DataT	ApproximateBetheBloch (DataT bg2)
	Approximate mean energy loss with Bethe-Bloch formula.

static DataT	ApproximateBetheBloch (DataT bg2, DataT kp0, DataT kp1, DataT kp2, DataT kp3, DataT kp4)
	Approximate mean energy loss with Bethe-Bloch formula.

static std::tuple< DataT, DataT >	GetChi2XChi2U (kf::MeasurementXy< DataT > m, DataT x, DataT y, DataT C00, DataT C10, DataT C11)
	git two chi^2 components of the track fit to measurement

Private Types
typedef const DataT	cnst

Private Attributes
DataTmask	fMask {true}
	mask of active elements in simd vectors

kf::TrackParam< DataT >	fTr {}
	track parameters

DataT	fQp0 {0.}

DataT	fMass {0.10565800}
	particle mass (muon mass by default)

DataT	fMass2 {fMass * fMass}
	mass squared

DataT	fMaxExtraplationStep {50.}
	max extrapolation step [cm]

bool	fDoFitVelocity {0}

Detailed Description

template<typename DataT>
class cbm::algo::kf::TrackKalmanFilter< DataT >

Track fit utilities for the CA tracking based on the Kalman Filter

Definition at line 41 of file KfTrackKalmanFilter.h.

Member Typedef Documentation

◆ cnst

template<typename DataT >

const DataT cbm::algo::kf::TrackKalmanFilter< DataT >::cnst

private

Definition at line 240 of file KfTrackKalmanFilter.h.

◆ DataTmask

template<typename DataT >

using cbm::algo::kf::TrackKalmanFilter< DataT >::DataTmask = kf::utils::masktype<DataT>

Definition at line 45 of file KfTrackKalmanFilter.h.

◆ DataTscal

template<typename DataT >

using cbm::algo::kf::TrackKalmanFilter< DataT >::DataTscal = kf::utils::scaltype<DataT>

Definition at line 44 of file KfTrackKalmanFilter.h.

Constructor & Destructor Documentation

◆ TrackKalmanFilter() [1/4]

template<typename DataT >

cbm::algo::kf::TrackKalmanFilter< DataT >::TrackKalmanFilter ( )

default

◆ TrackKalmanFilter() [2/4]

template<typename DataT >

cbm::algo::kf::TrackKalmanFilter< DataT >::TrackKalmanFilter ( const kf::TrackParam< DataT > & t )

inline

Definition at line 49 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::TrackKalmanFilter< DataT >::SetTrack().

◆ TrackKalmanFilter() [3/4]

template<typename DataT >

cbm::algo::kf::TrackKalmanFilter< DataT >::TrackKalmanFilter	(	const DataTmask &	m,
		bool	fitV )

inline

Definition at line 51 of file KfTrackKalmanFilter.h.

◆ TrackKalmanFilter() [4/4]

template<typename DataT >

template<typename T >

cbm::algo::kf::TrackKalmanFilter< DataT >::TrackKalmanFilter ( const kf::TrackParam< T > & t )

inline

Definition at line 54 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::TrackKalmanFilter< DataT >::SetTrack().

Member Function Documentation

◆ ApproximateBetheBloch() [1/2]

template<typename DataT >

DataT cbm::algo::kf::TrackKalmanFilter< DataT >::ApproximateBetheBloch ( DataT bg2 )

static

Approximate mean energy loss with Bethe-Bloch formula.

Parameters

bg2	(beta*gamma)^2

Returns: mean energy loss

Definition at line 1229 of file KfTrackKalmanFilter.cxx.

References cbm::algo::kf::utils::iif(), log(), sqrt(), and x.

◆ ApproximateBetheBloch() [2/2]

template<typename DataT >

DataT cbm::algo::kf::TrackKalmanFilter< DataT >::ApproximateBetheBloch	(	DataT	bg2,
		DataT	kp0,
		DataT	kp1,
		DataT	kp2,
		DataT	kp3,
		DataT	kp4 )

static

Approximate mean energy loss with Bethe-Bloch formula.

Parameters

bg2	(beta*gamma)^2
kp0	density [g/cm^3]
kp1	density effect first junction point
kp2	density effect second junction point
kp3	mean excitation energy [GeV]
kp4	mean Z/A

Returns: mean energy loss

Definition at line 1276 of file KfTrackKalmanFilter.cxx.

References cbm::algo::kf::utils::iif(), log(), sqrt(), and x.

◆ EnergyLossCorrection() [1/2]

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::EnergyLossCorrection	(	DataT	radThick,
		FitDirection	direction )

apply energy loss correction to the track

Parameters

radThick	- radiation length of the material
direction	- direction of the track

Definition at line 1057 of file KfTrackKalmanFilter.cxx.

References cbm::algo::kf::utils::iif(), cbm::algo::kf::kDownstream, cbm::algo::kf::utils::max(), and sqrt().

Referenced by CbmKfTrackFitter::AddMaterialEffects(), cbm::ca::TrackTypeQa::FillRecoTrack(), cbm::algo::ca::TrackExtender::FindMoreHits(), cbm::algo::ca::TripletConstructor::FindTriplets(), CbmL1PFFitter::Fit(), cbm::algo::ca::TrackExtender::FitBranchFast(), cbm::algo::ca::TrackFitter::FitCaTracks(), CbmL1PFFitter::GetChiToVertex(), and CbmL1::TrackFitPerformance().

◆ EnergyLossCorrection() [2/2]

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::EnergyLossCorrection	(	int	atomicZ,
		DataTscal	atomicA,
		DataTscal	rho,
		DataTscal	radLen,
		DataT	radThick,
		FitDirection	direction )

apply energy loss correction to the track more accurate formula using material atomic numbers

Parameters

atomicZ	- atomic number of the material
atomicA	- atomic mass of the material
rho	- density of the material
radLen	- radiation length of the material
radThick	- radiation length of the material
direction	- direction of the track

Definition at line 1091 of file KfTrackKalmanFilter.cxx.

References cbm::algo::kf::utils::fabs(), cbm::algo::kf::utils::iif(), cbm::algo::kf::kDownstream, cbm::algo::kf::utils::max(), and sqrt().

◆ Extrapolate()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::Extrapolate	(	DataT	z,
		const kf::FieldRegion< DataT > &	F )

extrapolate the track to the given Z using the field F it can do several extrapolation steps if the Z is far away

Parameters

z	- Z coordinate to extrapolate to
F	- field region

Definition at line 600 of file KfTrackKalmanFilter.cxx.

References cbm::algo::kf::utils::fabs(), cbm::algo::kf::utils::iif(), cbm::algo::kf::utils::isFull(), cbm::algo::kf::Null, and cbm::algo::kf::sgn().

Referenced by cbm::algo::ca::CloneMerger::Exec(), cbm::ca::TrackFitQa::Fill(), CbmL1::FillFitHistos(), cbm::ca::TrackTypeQa::FillRecoTrack(), cbm::algo::ca::TrackExtender::FindMoreHits(), cbm::algo::ca::TripletConstructor::FindTripletHits(), cbm::algo::ca::TripletConstructor::FindTriplets(), CbmL1PFFitter::Fit(), cbm::algo::ca::TrackExtender::FitBranchFast(), cbm::algo::ca::TrackFitter::FitCaTracks(), CbmKfTrackFitter::FitTrajectory(), CbmL1PFFitter::GetChiToVertex(), and CbmL1::TrackFitPerformance().

◆ ExtrapolateLine()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::ExtrapolateLine	(	DataT	z_out,
		const kf::FieldRegion< DataT > &	F )

extrapolate the track to the given Z using linearization at the straight line

Definition at line 836 of file KfTrackKalmanFilter.cxx.

Referenced by cbm::algo::ca::TripletConstructor::CreateTripletsForHit().

◆ ExtrapolateLineDxy()

template<typename DataT >

DataT cbm::algo::kf::TrackKalmanFilter< DataT >::ExtrapolateLineDxy ( DataT z_out ) const

inline

extrapolate the track to the given Z using linearization at the straight line,

Parameters

z_out - Z coordinate to extrapolate to

Returns: extrapolated correlation cov<x,y>

Definition at line 290 of file KfTrackKalmanFilter.h.

Referenced by cbm::algo::ca::TripletConstructor::CollectHits().

◆ ExtrapolateLineNoField()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::ExtrapolateLineNoField ( DataT z_out )

extrapolate the track to the given Z assuming no magnetic field

Definition at line 848 of file KfTrackKalmanFilter.cxx.

References cbm::algo::kf::utils::iif(), and sqrt().

Referenced by cbm::algo::ca::TripletConstructor::FindDoublets().

◆ ExtrapolateLineXdX2()

template<typename DataT >

std::pair< DataT, DataT > cbm::algo::kf::TrackKalmanFilter< DataT >::ExtrapolateLineXdX2 ( DataT z_out ) const

inline

extrapolate the track to the given Z using linearization at the straight line,

Parameters

z_out - Z coordinate to extrapolate to

Returns: pair of the extrapolated X, and dX2 - the rms^2 of the extrapolated x

Definition at line 276 of file KfTrackKalmanFilter.h.

Referenced by cbm::algo::ca::TripletConstructor::CollectHits(), and cbm::algo::ca::TrackExtender::FindMoreHits().

◆ ExtrapolateLineYdY2()

template<typename DataT >

std::pair< DataT, DataT > cbm::algo::kf::TrackKalmanFilter< DataT >::ExtrapolateLineYdY2 ( DataT z_out ) const

inline

extrapolate the track to the given Z using linearization at the straight line,

Parameters

z_out - Z coordinate to extrapolate to

Returns: pair of the extrapolated Y, and dY2 - the rms^2 of the extrapolated y

Definition at line 283 of file KfTrackKalmanFilter.h.

Referenced by cbm::algo::ca::TripletConstructor::CollectHits(), and cbm::algo::ca::TrackExtender::FindMoreHits().

◆ ExtrapolateStep()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::ExtrapolateStep	(	DataT	z_out,
		const kf::FieldRegion< DataT > &	F )

extrapolate the track to the given Z using the field F it does extrapolation in one step

Definition at line 622 of file KfTrackKalmanFilter.cxx.

References cbm::algo::kf::FieldValue< T >::GetBx(), cbm::algo::kf::FieldValue< T >::GetBy(), cbm::algo::kf::FieldValue< T >::GetBz(), cbm::algo::kf::utils::iif(), cbm::algo::kf::defs::SpeedOfLight, cbm::algo::kf::defs::SpeedOfLightInv, and sqrt().

◆ Filter1d()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::Filter1d ( const kf::MeasurementU< DataT > & m )

filter the track with the 1d measurement

Definition at line 15 of file KfTrackKalmanFilter.cxx.

References cbm::algo::kf::utils::iif().

◆ FilterExtrapolatedXY()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::FilterExtrapolatedXY	(	const kf::MeasurementXy< DataT > &	m,
		DataT	extrX,
		DataT	extrY,
		const std::array< DataT, kf::TrackParam< DataT >::kNtrackParam > &	Jx,
		const std::array< DataT, kf::TrackParam< DataT >::kNtrackParam > &	Jy )

filter the track with the XY measurement placed at different Z

Parameters

m	- measurement
extrX	- extrapolated X of the track
extrY	- extrapolated Y of the track
Jx	- Jacobian of the extrapolated X
Jy	- Jacobian of the extrapolated Y

Definition at line 330 of file KfTrackKalmanFilter.cxx.

◆ FilterTime() [1/2]

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::FilterTime	(	DataT	t,
		DataT	dt2,
		const DataTmask &	m )

filter the track with the time measurement

Definition at line 105 of file KfTrackKalmanFilter.cxx.

Referenced by cbm::algo::ca::utils::FilterHit(), cbm::algo::ca::TripletConstructor::FindDoublets(), cbm::algo::ca::TripletConstructor::FindTriplets(), CbmL1PFFitter::Fit(), cbm::algo::ca::TrackFitter::FitCaTracks(), and CbmKfTrackFitter::FitTrajectory().

◆ FilterTime() [2/2]

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::FilterTime ( kf::MeasurementTime< DataT > mt )

inline

filter the track with the time measurement

Definition at line 112 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::MeasurementTime< DataT >::Dt2(), cbm::algo::kf::TrackKalmanFilter< DataT >::FilterTime(), cbm::algo::kf::MeasurementTime< DataT >::NdfT(), and cbm::algo::kf::MeasurementTime< DataT >::T().

Referenced by cbm::algo::kf::TrackKalmanFilter< DataT >::FilterTime().

◆ FilterVi()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::FilterVi ( DataT vi )

filter the inverse speed

Definition at line 510 of file KfTrackKalmanFilter.cxx.

References cbm::algo::kf::utils::iif().

◆ FilterWithTargetAtLine()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::FilterWithTargetAtLine	(	DataT	targZ,
		const kf::MeasurementXy< DataT > &	targXYInfo,
		const kf::FieldRegion< DataT > &	F )

add target measuremet to the track using linearisation at a straight line

Definition at line 1217 of file KfTrackKalmanFilter.cxx.

Referenced by cbm::algo::ca::TripletConstructor::CreateTripletsForHit(), and cbm::algo::ca::TripletConstructor::FindTriplets().

◆ FilterXY()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::FilterXY	(	const kf::MeasurementXy< DataT > &	m,
		bool	skipUnmeasuredCoordinates = false )

filter the track with the XY measurement

Definition at line 189 of file KfTrackKalmanFilter.cxx.

References cbm::algo::kf::MeasurementU< DataT >::SetCosPhi(), cbm::algo::kf::MeasurementU< DataT >::SetSinPhi(), cbm::algo::kf::MeasurementU< DataT >::SetU(), and cbm::algo::kf::MeasurementXy< DataT >::X().

Referenced by cbm::algo::ca::utils::FilterHit(), cbm::algo::ca::TripletConstructor::FindDoublets(), cbm::algo::ca::TripletConstructor::FindTriplets(), CbmL1PFFitter::Fit(), cbm::algo::ca::TrackFitter::FitCaTracks(), and CbmKfTrackFitter::FitTrajectory().

◆ GetChi2XChi2U()

template<typename DataT >

std::tuple< DataT, DataT > cbm::algo::kf::TrackKalmanFilter< DataT >::GetChi2XChi2U	(	kf::MeasurementXy< DataT >	m,
		DataT	x,
		DataT	y,
		DataT	C00,
		DataT	C10,
		DataT	C11 )

static

git two chi^2 components of the track fit to measurement

Parameters

m	- measurement
x	- track X
y	- track Y
C00	- track covariance C00
C10	- track covariance C10
C11	- track covariance C11

Returns: pair of (chi^2_x, chi^2_u) components of the chi^2. chi^2_u is calculated after track is fit to the X measurement

Definition at line 1325 of file KfTrackKalmanFilter.cxx.

References x, and y.

Referenced by cbm::algo::ca::TripletConstructor::CollectHits().

◆ GetExtrapolatedXYline()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::GetExtrapolatedXYline	(	DataT	z,
		const kf::FieldRegion< DataT > &	F,
		DataT &	extrX,
		DataT &	extrY,
		std::array< DataT, kf::TrackParam< DataT >::kNtrackParam > &	Jx,
		std::array< DataT, kf::TrackParam< DataT >::kNtrackParam > &	Jy ) const

extrapolate track as a line, return the extrapolated X, Y and the Jacobians

special utilities needed by the combinatorial track finder

Definition at line 1163 of file KfTrackKalmanFilter.cxx.

References cbm::algo::kf::FieldRegion< T >::GetDoubleIntegrals(), and sqrt().

◆ GetMaxExtrapolationStep()

template<typename DataT >

DataT cbm::algo::kf::TrackKalmanFilter< DataT >::GetMaxExtrapolationStep ( ) const

inline

get the particle mass

Definition at line 100 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::TrackKalmanFilter< DataT >::fMaxExtraplationStep.

◆ GetParticleMass()

template<typename DataT >

DataT cbm::algo::kf::TrackKalmanFilter< DataT >::GetParticleMass ( ) const

inline

get the particle mass

Definition at line 91 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::TrackKalmanFilter< DataT >::fMass.

◆ GetParticleMass2()

template<typename DataT >

DataT cbm::algo::kf::TrackKalmanFilter< DataT >::GetParticleMass2 ( ) const

inline

get the particle mass squared

Definition at line 94 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::TrackKalmanFilter< DataT >::fMass2.

◆ GuessTrack()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::GuessTrack	(	const DataT &	trackZ,
		const DataT	hitX[],
		const DataT	hitY[],
		const DataT	hitZ[],
		const DataT	hitT[],
		const DataT	By[],
		const DataTmask	hitW[],
		const DataTmask	hitWtime[],
		int	NHits )

fast guess of track parameterts based on its hits

Parameters

trackZ	- Z coordinate of the track
hitX	- X coordinate of the hits
hitY	- Y coordinate of the hits
hitZ	- Z coordinate of the hits
hitT	- Time coordinate of the hits
By	- y component of the magnetic field
hitW	- hit weight
hitWtime	- hit weight for the time measurement
NHits	- number of hits

Definition at line 1377 of file KfTrackKalmanFilter.cxx.

References cbm::algo::kf::utils::fabs(), cbm::algo::kf::utils::iif(), cbm::algo::kf::defs::SpeedOfLightInv, sqrt(), x, and y.

Referenced by cbm::algo::ca::TrackFitter::FitCaTracks().

◆ MeasureVelocityWithQp()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::MeasureVelocityWithQp ( )

measure the track velocity with the track Qp and the mass

Definition at line 415 of file KfTrackKalmanFilter.cxx.

References cbm::algo::kf::utils::iif(), cbm::algo::kf::defs::SpeedOfLightInv, and sqrt().

◆ MultipleScattering() [1/2]

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::MultipleScattering ( DataT radThick )

inline

apply multiple scattering correction to the track

Definition at line 157 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::TrackKalmanFilter< DataT >::fQp0, cbm::algo::kf::TrackKalmanFilter< DataT >::fTr, cbm::algo::kf::TrackParamBase< T >::GetTx(), cbm::algo::kf::TrackParamBase< T >::GetTy(), and cbm::algo::kf::TrackKalmanFilter< DataT >::MultipleScattering().

Referenced by cbm::algo::kf::TrackKalmanFilter< DataT >::MultipleScattering().

◆ MultipleScattering() [2/2]

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::MultipleScattering	(	DataT	radThick,
		DataT	tx0,
		DataT	ty0,
		DataT	qp0 )

apply multiple scattering correction to the track with the given Qp0

Definition at line 980 of file KfTrackKalmanFilter.cxx.

References cbm::algo::kf::utils::iif(), log(), and sqrt().

Referenced by CbmKfTrackFitter::AddMaterialEffects(), cbm::algo::ca::TripletConstructor::CreateTripletsForHit(), cbm::ca::TrackTypeQa::FillRecoTrack(), cbm::algo::ca::TripletConstructor::FindDoublets(), cbm::algo::ca::TrackExtender::FindMoreHits(), cbm::algo::ca::TripletConstructor::FindTriplets(), CbmL1PFFitter::Fit(), cbm::algo::ca::TrackExtender::FitBranchFast(), cbm::algo::ca::TrackFitter::FitCaTracks(), CbmL1PFFitter::GetChiToVertex(), and CbmL1::TrackFitPerformance().

◆ MultipleScatteringInThickMaterial()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::MultipleScatteringInThickMaterial	(	DataT	radThick,
		DataT	thickness,
		bool	fDownstream )

apply multiple scattering correction in thick material to the track

Definition at line 1016 of file KfTrackKalmanFilter.cxx.

References cbm::algo::kf::utils::iif(), log(), and sqrt().

◆ Qp0()

template<typename DataT >

DataT & cbm::algo::kf::TrackKalmanFilter< DataT >::Qp0 ( )

inline

Definition at line 72 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::TrackKalmanFilter< DataT >::fQp0.

Referenced by cbm::algo::ca::TripletConstructor::FindTriplets(), and cbm::algo::ca::TrackFitter::FitCaTracks().

◆ SetDoFitVelocity()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::SetDoFitVelocity ( bool v )

inline

Definition at line 74 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::TrackKalmanFilter< DataT >::fDoFitVelocity, and v.

Referenced by cbm::ca::TrackFitQa::Fill(), CbmL1::FillFitHistos(), cbm::algo::ca::TrackFitter::FitCaTracks(), cbm::ca::TrackTypeQa::Init(), and CbmL1::TrackFitPerformance().

◆ SetMask()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::SetMask ( const DataTmask & m )

inline

Definition at line 59 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::TrackKalmanFilter< DataT >::fMask.

Referenced by cbm::algo::ca::CloneMerger::Exec(), cbm::ca::TrackFitQa::Fill(), CbmL1::FillFitHistos(), cbm::algo::ca::TrackExtender::FindMoreHits(), cbm::algo::ca::TripletConstructor::FindTriplets(), CbmL1PFFitter::Fit(), cbm::algo::ca::TrackExtender::FitBranchFast(), cbm::algo::ca::TrackFitter::FitCaTracks(), CbmL1PFFitter::GetChiToVertex(), cbm::ca::TrackTypeQa::Init(), and CbmL1::TrackFitPerformance().

◆ SetMaxExtrapolationStep()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::SetMaxExtrapolationStep ( double step )

inline

set max extrapolation step [cm]

Definition at line 97 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::TrackKalmanFilter< DataT >::fMaxExtraplationStep.

Referenced by cbm::algo::ca::TrackFitter::FitCaTracks().

◆ SetOneEntry()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::SetOneEntry	(	const int	i0,
		const TrackKalmanFilter< DataT > &	T1,
		const int	i1 )

inline

Definition at line 269 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::utils::VecCopy< TdataA, TdataB, TDoAllA, TDoAllB >::CopyEntries(), cbm::algo::kf::TrackKalmanFilter< DataT >::fQp0, and cbm::algo::kf::TrackKalmanFilter< DataT >::fTr.

◆ SetParticleMass()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::SetParticleMass ( DataT mass )

inline

set particle mass for the fit

Fit utilities

Definition at line 84 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::TrackKalmanFilter< DataT >::fMass, and cbm::algo::kf::TrackKalmanFilter< DataT >::fMass2.

Referenced by cbm::algo::ca::TripletConstructor::CreateTripletsForHit(), cbm::algo::ca::CloneMerger::Exec(), cbm::ca::TrackFitQa::Fill(), CbmL1::FillFitHistos(), cbm::ca::TrackTypeQa::FillRecoTrack(), cbm::algo::ca::TrackExtender::FindMoreHits(), cbm::algo::ca::TripletConstructor::FindTripletHits(), cbm::algo::ca::TripletConstructor::FindTriplets(), CbmL1PFFitter::Fit(), cbm::algo::ca::TrackExtender::FitBranchFast(), cbm::algo::ca::TrackFitter::FitCaTracks(), CbmKfTrackFitter::FitTrajectory(), and CbmL1::TrackFitPerformance().

◆ SetQp0()

template<typename DataT >

void cbm::algo::kf::TrackKalmanFilter< DataT >::SetQp0 ( DataT qp0 )

inline

Definition at line 68 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::TrackKalmanFilter< DataT >::fQp0.

Referenced by CbmKfTrackFitter::AddMaterialEffects(), cbm::algo::ca::TripletConstructor::CreateTripletsForHit(), cbm::algo::ca::CloneMerger::Exec(), cbm::algo::ca::TripletConstructor::FindDoublets(), cbm::algo::ca::TrackExtender::FindMoreHits(), cbm::algo::ca::TripletConstructor::FindTripletHits(), cbm::algo::ca::TripletConstructor::FindTriplets(), CbmL1PFFitter::Fit(), cbm::algo::ca::TrackExtender::FitBranchFast(), cbm::algo::ca::TrackFitter::FitCaTracks(), CbmKfTrackFitter::FitTrajectory(), and CbmL1PFFitter::GetChiToVertex().

◆ SetTrack()

template<typename DataT >

template<typename T >

void cbm::algo::kf::TrackKalmanFilter< DataT >::SetTrack ( const kf::TrackParam< T > & t )

inline

Definition at line 62 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::TrackKalmanFilter< DataT >::fQp0, cbm::algo::kf::TrackKalmanFilter< DataT >::fTr, cbm::algo::kf::TrackParamBase< T >::GetQp(), and cbm::algo::kf::TrackParamBase< T >::Set().

Referenced by cbm::ca::TrackFitQa::Fill(), CbmL1::FillFitHistos(), cbm::ca::TrackTypeQa::FillRecoTrack(), cbm::algo::ca::TrackExtender::FindMoreHits(), cbm::algo::ca::TripletConstructor::FindTripletHits(), cbm::algo::ca::TrackExtender::FitBranchFast(), CbmKfTrackFitter::FitTrajectory(), CbmL1::TrackFitPerformance(), cbm::algo::kf::TrackKalmanFilter< DataT >::TrackKalmanFilter(), and cbm::algo::kf::TrackKalmanFilter< DataT >::TrackKalmanFilter().

◆ ToString()

template<typename DataT >

std::string cbm::algo::kf::TrackKalmanFilter< DataT >::ToString ( int i = -1 )

inline

Definition at line 262 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::MeasurementTime< DataT >::ToString().

◆ Tr()

template<typename DataT >

kf::TrackParam< DataT > & cbm::algo::kf::TrackKalmanFilter< DataT >::Tr ( )

inline

Definition at line 70 of file KfTrackKalmanFilter.h.

References cbm::algo::kf::TrackKalmanFilter< DataT >::fTr.

Referenced by cbm::algo::ca::TripletConstructor::CollectHits(), cbm::algo::ca::TripletConstructor::CreateTripletsForHit(), cbm::algo::ca::CloneMerger::Exec(), cbm::ca::TrackFitQa::Fill(), CbmL1::FillFitHistos(), cbm::ca::TrackTypeQa::FillRecoTrack(), FilterFirst(), CbmKfTrackFitter::FilterFirstMeasurement(), cbm::algo::ca::TripletConstructor::FindDoublets(), cbm::algo::ca::TrackExtender::FindMoreHits(), cbm::algo::ca::TripletConstructor::FindTripletHits(), cbm::algo::ca::TripletConstructor::FindTriplets(), CbmL1PFFitter::Fit(), cbm::algo::ca::TrackExtender::FitBranchFast(), cbm::algo::ca::TrackFitter::FitCaTracks(), CbmKfTrackFitter::FitTrajectory(), CbmL1PFFitter::GetChiToVertex(), and CbmL1::TrackFitPerformance().

Member Data Documentation

◆ fDoFitVelocity

template<typename DataT >

bool cbm::algo::kf::TrackKalmanFilter< DataT >::fDoFitVelocity {0}

private

Definition at line 255 of file KfTrackKalmanFilter.h.

Referenced by cbm::algo::kf::TrackKalmanFilter< DataT >::SetDoFitVelocity().

◆ fMask

template<typename DataT >

DataTmask cbm::algo::kf::TrackKalmanFilter< DataT >::fMask {true}

private

mask of active elements in simd vectors

Data members

Definition at line 245 of file KfTrackKalmanFilter.h.

Referenced by cbm::algo::kf::TrackKalmanFilter< DataT >::SetMask().

◆ fMass

template<typename DataT >

DataT cbm::algo::kf::TrackKalmanFilter< DataT >::fMass {0.10565800}

private

particle mass (muon mass by default)

Definition at line 250 of file KfTrackKalmanFilter.h.

Referenced by cbm::algo::kf::TrackKalmanFilter< DataT >::GetParticleMass(), and cbm::algo::kf::TrackKalmanFilter< DataT >::SetParticleMass().

◆ fMass2

template<typename DataT >

DataT cbm::algo::kf::TrackKalmanFilter< DataT >::fMass2 {fMass * fMass}

private

mass squared

Definition at line 251 of file KfTrackKalmanFilter.h.

Referenced by cbm::algo::kf::TrackKalmanFilter< DataT >::GetParticleMass2(), and cbm::algo::kf::TrackKalmanFilter< DataT >::SetParticleMass().

◆ fMaxExtraplationStep

template<typename DataT >

DataT cbm::algo::kf::TrackKalmanFilter< DataT >::fMaxExtraplationStep {50.}

private

max extrapolation step [cm]

Definition at line 253 of file KfTrackKalmanFilter.h.

Referenced by cbm::algo::kf::TrackKalmanFilter< DataT >::GetMaxExtrapolationStep(), and cbm::algo::kf::TrackKalmanFilter< DataT >::SetMaxExtrapolationStep().

◆ fQp0

template<typename DataT >

DataT cbm::algo::kf::TrackKalmanFilter< DataT >::fQp0 {0.}

private

Definition at line 248 of file KfTrackKalmanFilter.h.

Referenced by cbm::algo::kf::TrackKalmanFilter< DataT >::MultipleScattering(), cbm::algo::kf::TrackKalmanFilter< DataT >::Qp0(), cbm::algo::kf::TrackKalmanFilter< DataT >::SetOneEntry(), cbm::algo::kf::TrackKalmanFilter< DataT >::SetQp0(), and cbm::algo::kf::TrackKalmanFilter< DataT >::SetTrack().

◆ fTr

template<typename DataT >

kf::TrackParam<DataT> cbm::algo::kf::TrackKalmanFilter< DataT >::fTr {}

private

track parameters

Definition at line 247 of file KfTrackKalmanFilter.h.

Referenced by cbm::algo::kf::TrackKalmanFilter< DataT >::MultipleScattering(), cbm::algo::kf::TrackKalmanFilter< DataT >::SetOneEntry(), cbm::algo::kf::TrackKalmanFilter< DataT >::SetTrack(), and cbm::algo::kf::TrackKalmanFilter< DataT >::Tr().

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

Public Types

Public Member Functions

Static Public Member Functions

Private Types

Private Attributes

Detailed Description

Member Typedef Documentation

◆ cnst

◆ DataTmask

◆ DataTscal

Constructor & Destructor Documentation

◆ TrackKalmanFilter() [1/4]

◆ TrackKalmanFilter() [2/4]

◆ TrackKalmanFilter() [3/4]

◆ TrackKalmanFilter() [4/4]

Member Function Documentation

◆ ApproximateBetheBloch() [1/2]

◆ ApproximateBetheBloch() [2/2]

◆ EnergyLossCorrection() [1/2]

◆ EnergyLossCorrection() [2/2]

◆ Extrapolate()

◆ ExtrapolateLine()

◆ ExtrapolateLineDxy()

◆ ExtrapolateLineNoField()

◆ ExtrapolateLineXdX2()

◆ ExtrapolateLineYdY2()

◆ ExtrapolateStep()

◆ Filter1d()

◆ FilterExtrapolatedXY()

◆ FilterTime() [1/2]

◆ FilterTime() [2/2]

◆ FilterVi()

◆ FilterWithTargetAtLine()

◆ FilterXY()

◆ GetChi2XChi2U()

◆ GetExtrapolatedXYline()

◆ GetMaxExtrapolationStep()

◆ GetParticleMass()

◆ GetParticleMass2()

◆ GuessTrack()

◆ MeasureVelocityWithQp()

◆ MultipleScattering() [1/2]

◆ MultipleScattering() [2/2]

◆ MultipleScatteringInThickMaterial()

◆ Qp0()

◆ SetDoFitVelocity()

◆ SetMask()

◆ SetMaxExtrapolationStep()

◆ SetOneEntry()

◆ SetParticleMass()

◆ SetQp0()

◆ SetTrack()

◆ ToString()

◆ Tr()

Member Data Documentation

◆ fDoFitVelocity

◆ fMask

◆ fMass

◆ fMass2

◆ fMaxExtraplationStep

◆ fQp0

◆ fTr