Acts::MultiComponentCurvilinearTrackParameters Class Reference

#include <acts/blob/sPHENIX/Core/include/Acts/EventData/MultiComponentTrackParameters.hpp>

Inheritance diagram for Acts::MultiComponentCurvilinearTrackParameters:

Collaboration diagram for Acts::MultiComponentCurvilinearTrackParameters:

Public Types
using	ConstructionTuple = std::tuple< double, Acts::Vector4, Acts::Vector3, ActsScalar, covariance_t >
Public Types inherited from Acts::MultiComponentBoundTrackParameters
using	Parameters = BoundTrackParameters
using	ParticleHypothesis = Parameters::ParticleHypothesis
using	Scalar = typename Parameters::Scalar
using	ParametersVector = typename Parameters::ParametersVector
using	CovarianceMatrix = typename Parameters::CovarianceMatrix

Public Member Functions
	MultiComponentCurvilinearTrackParameters (const std::vector< ConstructionTuple > &cmps, ParticleHypothesis particleHypothesis)
Public Member Functions inherited from Acts::MultiComponentBoundTrackParameters
template<typename covariance_t >
	MultiComponentBoundTrackParameters (std::shared_ptr< const Surface > surface, const std::vector< std::tuple< double, BoundVector, covariance_t >> &cmps, ParticleHypothesis particleHypothesis)
	Construct from multiple components.
	MultiComponentBoundTrackParameters (std::shared_ptr< const Surface > surface, const BoundVector &params, std::optional< BoundSquareMatrix > cov, ParticleHypothesis particleHypothesis)
	MultiComponentBoundTrackParameters ()=delete
	Parameters are not default constructible due to the charge type.
	MultiComponentBoundTrackParameters (const MultiComponentBoundTrackParameters &)=default
	MultiComponentBoundTrackParameters (MultiComponentBoundTrackParameters &&)=default
	~MultiComponentBoundTrackParameters ()=default
MultiComponentBoundTrackParameters &	operator= (const MultiComponentBoundTrackParameters &)=default
MultiComponentBoundTrackParameters &	operator= (MultiComponentBoundTrackParameters &&)=default
const auto &	components () const
	Access the parameters.
const Surface &	referenceSurface () const
	Reference surface onto which the parameters are bound.
std::pair< double, Parameters >	operator[] (std::size_t i) const
	Get the weight and a GenericBoundTrackParameters object for one component.
ParametersVector	parameters () const
	Parameters vector.
std::optional< CovarianceMatrix >	covariance () const
	Optional covariance matrix.
template<BoundIndices kIndex>
Scalar	get () const
Vector4	fourPosition (const GeometryContext &geoCtx) const
Vector3	position (const GeometryContext &geoCtx) const
Scalar	time () const
	Time coordinate.
Vector3	direction () const
Scalar	phi () const
	Phi direction.
Scalar	theta () const
	Theta direction.
Scalar	qOverP () const
	Charge over momentum.
Scalar	absoluteMomentum () const
	Absolute momentum.
Scalar	transverseMomentum () const
	Transverse momentum.
Vector3	momentum () const
	Momentum three-vector.
Scalar	charge () const
	Particle electric charge.
const ParticleHypothesis &	particleHypothesis () const
	Particle hypothesis.

Private Types
using	covariance_t = BoundSquareMatrix
using	Base = MultiComponentBoundTrackParameters
using	BaseConstructionTuple = std::tuple< std::shared_ptr< Acts::Surface >, std::vector< std::tuple< double, BoundVector, covariance_t >>>

Private Member Functions
	MultiComponentCurvilinearTrackParameters (const BaseConstructionTuple &t, ParticleHypothesis particleHypothesis)
	Private constructor from a tuple.

Static Private Member Functions
static BaseConstructionTuple	construct (const std::vector< ConstructionTuple > &curvi)
	We need this helper function in order to construct the base class properly.

Detailed Description

This class mimics the behaviour of the curvilinear parameters for ordinary track parameters. To adopt this concept, a "common surface" is constructed, and all parameters are projected onto this surface. The use of this is questionable, and if the result is reasonable depends largely on the initial multi component state. However, the propagator infrastructure forces the existence of this type

Template Parameters

charge_t

Helper type to interpret the particle charge/momentum

Definition at line 236 of file MultiComponentTrackParameters.hpp.

View newest version in sPHENIX GitHub at line 236 of file MultiComponentTrackParameters.hpp

Member Typedef Documentation

using Acts::MultiComponentCurvilinearTrackParameters::Base = MultiComponentBoundTrackParameters

private

Definition at line 245 of file MultiComponentTrackParameters.hpp.

View newest version in sPHENIX GitHub at line 245 of file MultiComponentTrackParameters.hpp

using Acts::MultiComponentCurvilinearTrackParameters::BaseConstructionTuple = std::tuple<std::shared_ptr<Acts::Surface>, std::vector<std::tuple<double, BoundVector, covariance_t>>>

private

Definition at line 249 of file MultiComponentTrackParameters.hpp.

View newest version in sPHENIX GitHub at line 249 of file MultiComponentTrackParameters.hpp

using Acts::MultiComponentCurvilinearTrackParameters::ConstructionTuple = std::tuple<double, Acts::Vector4, Acts::Vector3, ActsScalar, covariance_t>

Definition at line 242 of file MultiComponentTrackParameters.hpp.

View newest version in sPHENIX GitHub at line 242 of file MultiComponentTrackParameters.hpp

using Acts::MultiComponentCurvilinearTrackParameters::covariance_t = BoundSquareMatrix

private

Definition at line 238 of file MultiComponentTrackParameters.hpp.

View newest version in sPHENIX GitHub at line 238 of file MultiComponentTrackParameters.hpp

Constructor & Destructor Documentation

Acts::MultiComponentCurvilinearTrackParameters::MultiComponentCurvilinearTrackParameters ( const BaseConstructionTuple &  t, ParticleHypothesis  particleHypothesis  )

inlineprivate

Private constructor from a tuple.

Definition at line 291 of file MultiComponentTrackParameters.hpp.

View newest version in sPHENIX GitHub at line 291 of file MultiComponentTrackParameters.hpp

Acts::MultiComponentCurvilinearTrackParameters::MultiComponentCurvilinearTrackParameters ( const std::vector< ConstructionTuple > &  cmps, ParticleHypothesis  particleHypothesis  )

inline

Definition at line 296 of file MultiComponentTrackParameters.hpp.

View newest version in sPHENIX GitHub at line 296 of file MultiComponentTrackParameters.hpp

Member Function Documentation

static BaseConstructionTuple Acts::MultiComponentCurvilinearTrackParameters::construct ( const std::vector< ConstructionTuple > &  curvi )

inlinestaticprivate

We need this helper function in order to construct the base class properly.

Definition at line 252 of file MultiComponentTrackParameters.hpp.

View newest version in sPHENIX GitHub at line 252 of file MultiComponentTrackParameters.hpp

References Acts::Test::cov, Acts::eBoundLoc0, Acts::eFreePos0, Acts::eTime, gctx, Acts::Test::pos4(), physmon_simulation::s, and Acts::detail::transformFreeToCurvilinearParameters().

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

• acts/blob/sPHENIX/Core/include/Acts/EventData/MultiComponentTrackParameters.hpp