#include <CaCloneMerger.h>

Collaboration diagram for cbm::algo::ca::CloneMerger:

Public Member Functions
	CloneMerger (const ca::Parameters< fvec > &pars, const fscal mass)
	Default constructor.

	~CloneMerger ()
	Destructor.

	CloneMerger (const CloneMerger &)=default
	Copy constructor.

	CloneMerger (CloneMerger &&)=default
	Move constructor.

CloneMerger &	operator= (const CloneMerger &)=delete
	Copy assignment operator.

CloneMerger &	operator= (CloneMerger &&)=delete
	Move assignment operator.

void	Exec (const ca::InputData &input, WindowData &wData)
	Registers.

Static Private Member Functions
static void	InvertCholesky (fvec a[15])

static void	MultiplySS (fvec const C[15], fvec const V[15], fvec K[5][5])

static void	MultiplyMS (fvec const C[5][5], fvec const V[15], fvec K[15])

static void	MultiplySR (fvec const C[15], fvec const r_in[5], fvec r_out[5])

static void	FilterTracks (fvec const r[5], fvec const C[15], fvec const m[5], fvec const V[15], fvec R[5], fvec W[15], fvec *chi2)

Private Attributes
Vector< unsigned short >	fTrackFirstStation {"CloneMerger::fTrackFirstStation"}
	First station of a track.

Vector< unsigned short >	fTrackLastStation {"CloneMerger::fTrackLastStation"}
	Last station of a track.

Vector< ca::HitIndex_t >	fTrackFirstHit {"CloneMerger::fTrackFirstHit"}
	Index of the first hit of a track.

Vector< ca::HitIndex_t >	fTrackLastHit {"CloneMerger::fTrackLastHit"}
	Index of the last hit of a track.

Vector< unsigned short >	fTrackNeighbour {"CloneMerger::fTrackNeighbour"}
	Index (TODO:??) of a track that can be merge with the given track.

Vector< fscal >	fTrackChi2 {"CloneMerger::fTrackChi2"}
	Chi2 value of the track merging procedure.

Vector< char >	fTrackIsStored {"CloneMerger::fTrackIsStored"}
	Flag: is the given track already stored to the output.

Vector< char >	fTrackIsDownstreamNeighbour {"CloneMerger::fTrackIsDownstreamNeighbour"}
	Flag: is the track a downstream neighbour of another track.

Vector< Track >	fTracksNew {"CaCloneMerger::fTracksNew"}
	vector of tracks after the merge

Vector< ca::HitIndex_t >	fRecoHitsNew {"CaCloneMerger::fRecoHitsNew"}
	vector of track hits after the merge

const Parameters< fvec > &	fParameters
	Reference to the Framework parameters class.

const kf::Setup< fvec > &	fSetup
	Active setup.

const kf::Field< fvec > &	fField
	Reference to the magnetic field representation.

fscal	fDefaultMass {constants::phys::MuonMass}
	mass of the propagated particle [GeV/c2]

Detailed Description

Class implements a clones merger algorithm for the CA track finder

Definition at line 27 of file CaCloneMerger.h.

Constructor & Destructor Documentation

◆ CloneMerger() [1/3]

cbm::algo::ca::CloneMerger::CloneMerger	(	const ca::Parameters< fvec > &	pars,
		const fscal	mass )

Default constructor.

Definition at line 26 of file CaCloneMerger.cxx.

References fDefaultMass, fField, fParameters, and fSetup.

Referenced by CloneMerger(), CloneMerger(), operator=(), and operator=().

◆ ~CloneMerger()

cbm::algo::ca::CloneMerger::~CloneMerger ( )

Destructor.

Definition at line 36 of file CaCloneMerger.cxx.

◆ CloneMerger() [2/3]

cbm::algo::ca::CloneMerger::CloneMerger ( const CloneMerger & )

default

Copy constructor.

References CloneMerger().

◆ CloneMerger() [3/3]

cbm::algo::ca::CloneMerger::CloneMerger ( CloneMerger && )

default

Move constructor.

References CloneMerger().

Member Function Documentation

◆ Exec()

void cbm::algo::ca::CloneMerger::Exec	(	const ca::InputData &	input,
		WindowData &	wData )

Registers.

Executes track clones merging algorithm and updates input containers

Parameters

input	Reference to input data
wData	Reference to the external container of reconstructed tracks and hit indices

Definition at line 40 of file CaCloneMerger.cxx.

References cbm::algo::ca::_fvecalignment, cbm::algo::kf::TrackKalmanFilter< DataT, Settings >::Extrapolate(), fDefaultMass, fField, FilterTracks(), fParameters, fRecoHitsNew, fSetup, fTrackChi2, fTrackFirstHit, fTrackFirstStation, fTrackIsDownstreamNeighbour, fTrackIsStored, fTrackLastHit, fTrackLastStation, fTrackNeighbour, fTracksNew, cbm::algo::ca::InputData::GetHit(), cbm::algo::kf::TrackKalmanFilter< DataT, Settings >::Linearization(), cbm::algo::kf::fmask::One(), cbm::algo::ca::WindowData::RecoHitIndices(), cbm::algo::ca::WindowData::RecoTracks(), cbm::algo::ca::Vector< T >::reset(), cbm::algo::kf::TrackKalmanFilter< DataT, Settings >::SetMask(), cbm::algo::kf::TrackKalmanFilter< DataT, Settings >::SetParticleMass(), sqrt(), cbm::algo::ca::Hit::Station(), and cbm::algo::kf::TrackKalmanFilter< DataT, Settings >::Tr().

◆ FilterTracks()

void cbm::algo::ca::CloneMerger::FilterTracks	(	fvec const	r[5],
		fvec const	C[15],
		fvec const	m[5],
		fvec const	V[15],
		fvec	R[5],
		fvec	W[15],
		fvec *	chi2 )

staticprivate

Definition at line 208 of file CaCloneMerger.cxx.

References InvertCholesky(), MultiplyMS(), MultiplySR(), and MultiplySS().

Referenced by Exec().

◆ InvertCholesky()

void cbm::algo::ca::CloneMerger::InvertCholesky ( fvec a[15] )

staticprivate

Definition at line 254 of file CaCloneMerger.cxx.

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

Referenced by FilterTracks().

◆ MultiplyMS()

void cbm::algo::ca::CloneMerger::MultiplyMS	(	fvec const	C[5][5],
		fvec const	V[15],
		fvec	K[15] )

staticprivate

Definition at line 319 of file CaCloneMerger.cxx.

Referenced by FilterTracks().

◆ MultiplySR()

void cbm::algo::ca::CloneMerger::MultiplySR	(	fvec const	C[15],
		fvec const	r_in[5],
		fvec	r_out[5] )

staticprivate

Definition at line 344 of file CaCloneMerger.cxx.

Referenced by FilterTracks().

◆ MultiplySS()

void cbm::algo::ca::CloneMerger::MultiplySS	(	fvec const	C[15],
		fvec const	V[15],
		fvec	K[5][5] )

staticprivate

Multiplication of two symmetric matryces 5x5

Parameters

C	Left matrix: C[0] C[1] C[3] C[6] C[10] C[1] C[2] C[4] C[7] C[11] C = C[3] C[4] C[5] C[8] C[12] C[6] C[7] C[8] C[9] C[13] C[10] C[11] C[12] C[13] C[14]
V	Right matrix: V[0] V[1] V[3] V[6] V[10] V[1] V[2] V[4] V[7] V[11] V = V[3] V[4] V[5] V[8] V[12] V[6] V[7] V[8] V[9] V[13] V[10] V[11] V[12] V[13] V[14]
K	Output: K = C * V

Definition at line 355 of file CaCloneMerger.cxx.

Referenced by FilterTracks().

◆ operator=() [1/2]

CloneMerger & cbm::algo::ca::CloneMerger::operator= ( CloneMerger && )

delete

Move assignment operator.

References CloneMerger().

◆ operator=() [2/2]

CloneMerger & cbm::algo::ca::CloneMerger::operator= ( const CloneMerger & )

delete

Copy assignment operator.

References CloneMerger().

Member Data Documentation

◆ fDefaultMass

fscal cbm::algo::ca::CloneMerger::fDefaultMass {constants::phys::MuonMass}

private

mass of the propagated particle [GeV/c2]

Definition at line 126 of file CaCloneMerger.h.

Referenced by CloneMerger(), and Exec().

◆ fField

const kf::Field<fvec>& cbm::algo::ca::CloneMerger::fField

private

Reference to the magnetic field representation.

Definition at line 125 of file CaCloneMerger.h.

Referenced by CloneMerger(), and Exec().

◆ fParameters

const Parameters<fvec>& cbm::algo::ca::CloneMerger::fParameters

private

Reference to the Framework parameters class.

Definition at line 123 of file CaCloneMerger.h.

Referenced by CloneMerger(), and Exec().

◆ fRecoHitsNew

Vector<ca::HitIndex_t> cbm::algo::ca::CloneMerger::fRecoHitsNew {"CaCloneMerger::fRecoHitsNew"}

private

vector of track hits after the merge

Definition at line 120 of file CaCloneMerger.h.

Referenced by Exec().

◆ fSetup

const kf::Setup<fvec>& cbm::algo::ca::CloneMerger::fSetup

private

Active setup.

Definition at line 124 of file CaCloneMerger.h.

Referenced by CloneMerger(), and Exec().

◆ fTrackChi2

Vector<fscal> cbm::algo::ca::CloneMerger::fTrackChi2 {"CloneMerger::fTrackChi2"}

private

Chi2 value of the track merging procedure.

Definition at line 110 of file CaCloneMerger.h.

Referenced by Exec().

◆ fTrackFirstHit

Vector<ca::HitIndex_t> cbm::algo::ca::CloneMerger::fTrackFirstHit {"CloneMerger::fTrackFirstHit"}

private

Index of the first hit of a track.

Definition at line 101 of file CaCloneMerger.h.

Referenced by Exec().

◆ fTrackFirstStation

Vector<unsigned short> cbm::algo::ca::CloneMerger::fTrackFirstStation {"CloneMerger::fTrackFirstStation"}

private

First station of a track.

Definition at line 95 of file CaCloneMerger.h.

Referenced by Exec().

◆ fTrackIsDownstreamNeighbour

Vector<char> cbm::algo::ca::CloneMerger::fTrackIsDownstreamNeighbour {"CloneMerger::fTrackIsDownstreamNeighbour"}

private

Flag: is the track a downstream neighbour of another track.

Definition at line 116 of file CaCloneMerger.h.

Referenced by Exec().

◆ fTrackIsStored

Vector<char> cbm::algo::ca::CloneMerger::fTrackIsStored {"CloneMerger::fTrackIsStored"}

private

Flag: is the given track already stored to the output.

Definition at line 113 of file CaCloneMerger.h.

Referenced by Exec().

◆ fTrackLastHit

Vector<ca::HitIndex_t> cbm::algo::ca::CloneMerger::fTrackLastHit {"CloneMerger::fTrackLastHit"}

private

Index of the last hit of a track.

Definition at line 104 of file CaCloneMerger.h.

Referenced by Exec().

◆ fTrackLastStation

Vector<unsigned short> cbm::algo::ca::CloneMerger::fTrackLastStation {"CloneMerger::fTrackLastStation"}

private

Last station of a track.

Definition at line 98 of file CaCloneMerger.h.

Referenced by Exec().

◆ fTrackNeighbour

Vector<unsigned short> cbm::algo::ca::CloneMerger::fTrackNeighbour {"CloneMerger::fTrackNeighbour"}

private

Index (TODO:??) of a track that can be merge with the given track.

Definition at line 107 of file CaCloneMerger.h.

Referenced by Exec().

◆ fTracksNew

Vector<Track> cbm::algo::ca::CloneMerger::fTracksNew {"CaCloneMerger::fTracksNew"}

private

vector of tracks after the merge

Definition at line 118 of file CaCloneMerger.h.

Referenced by Exec().

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

Public Member Functions

Static Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ CloneMerger() [1/3]

◆ ~CloneMerger()

◆ CloneMerger() [2/3]

◆ CloneMerger() [3/3]

Member Function Documentation

◆ Exec()

◆ FilterTracks()

◆ InvertCholesky()

◆ MultiplyMS()

◆ MultiplySR()

◆ MultiplySS()

◆ operator=() [1/2]

◆ operator=() [2/2]

Member Data Documentation

◆ fDefaultMass

◆ fField

◆ fParameters

◆ fRecoHitsNew

◆ fSetup

◆ fTrackChi2

◆ fTrackFirstHit

◆ fTrackFirstStation

◆ fTrackIsDownstreamNeighbour

◆ fTrackIsStored

◆ fTrackLastHit

◆ fTrackLastStation

◆ fTrackNeighbour

◆ fTracksNew