#include <acts/blob/sPHENIX/Core/include/Acts/Propagator/StraightLineStepper.hpp>

Collaboration diagram for Acts::StraightLineStepper::State:

Public Member Functions
	State ()=delete

	State (const GeometryContext &gctx, const MagneticFieldContext &mctx, const BoundTrackParameters &par, double ssize=std::numeric_limits< double >::max(), double stolerance=s_onSurfaceTolerance)

Public Attributes
BoundToFreeMatrix	jacToGlobal = BoundToFreeMatrix::Zero()
	Jacobian from local to the global frame.

FreeMatrix	jacTransport = FreeMatrix::Identity()
	Pure transport jacobian part from runge kutta integration.

Jacobian	jacobian = Jacobian::Identity()
	The full jacobian of the transport entire transport.

FreeVector	derivative = FreeVector::Zero()
	The propagation derivative.

FreeVector	pars = FreeVector::Zero()
	Internal free vector parameters.

ParticleHypothesis	particleHypothesis = ParticleHypothesis::pion()
	Particle hypothesis.

bool	covTransport = false
	Boolean to indicate if you need covariance transport.

Covariance	cov = Covariance::Zero()

double	pathAccumulated = 0.
	accummulated path length state

ConstrainedStep	stepSize
	adaptive step size of the runge-kutta integration

double	previousStepSize = 0.

double	tolerance = s_onSurfaceTolerance
	The tolerance for the stepping.

std::reference_wrapper< const GeometryContext >	geoContext

Detailed Description

State for track parameter propagation

Definition at line 56 of file StraightLineStepper.hpp.

View newest version in sPHENIX GitHub at line 56 of file StraightLineStepper.hpp

Constructor & Destructor Documentation

Acts::StraightLineStepper::State::State ( )

delete

Acts::StraightLineStepper::State::State	(	const GeometryContext &	gctx,
		const MagneticFieldContext &	mctx,
		const BoundTrackParameters &	par,
		double	ssize = `std::numeric_limits<double>::max()`,
		double	stolerance = `s_onSurfaceTolerance`
	)

inlineexplicit

Constructor from the initial bound track parameters

Parameters

[in]	gctx	is the context object for the geometry
[in]	mctx	is the context object for the magnetic field
[in]	par	The track parameters at start
[in]	ssize	is the maximum step size
[in]	stolerance	is the stepping tolerance

Note: the covariance matrix is copied when needed

Definition at line 68 of file StraightLineStepper.hpp.

View newest version in sPHENIX GitHub at line 68 of file StraightLineStepper.hpp

References cov, Acts::GenericBoundTrackParameters< particle_hypothesis_t >::covariance(), covTransport, Acts::GenericBoundTrackParameters< particle_hypothesis_t >::direction(), Acts::eBoundQOverP, Acts::eFreeDir0, Acts::eFreePos0, Acts::eFreeQOverP, Acts::eFreeTime, jacToGlobal, Acts::GenericBoundTrackParameters< particle_hypothesis_t >::parameters(), pars, Acts::GenericBoundTrackParameters< particle_hypothesis_t >::position(), Acts::GenericBoundTrackParameters< particle_hypothesis_t >::referenceSurface(), writeMapConfig::surface, and Acts::GenericBoundTrackParameters< particle_hypothesis_t >::time().

Here is the call graph for this function:

Member Data Documentation

Covariance Acts::StraightLineStepper::State::cov = Covariance::Zero()

Definition at line 112 of file StraightLineStepper.hpp.

View newest version in sPHENIX GitHub at line 112 of file StraightLineStepper.hpp

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), Acts::StraightLineStepper::boundState(), Acts::StraightLineStepper::curvilinearState(), State(), Acts::StraightLineStepper::transportCovarianceToBound(), Acts::StraightLineStepper::transportCovarianceToCurvilinear(), and Acts::StraightLineStepper::update().

bool Acts::StraightLineStepper::State::covTransport = false

Boolean to indicate if you need covariance transport.

Definition at line 111 of file StraightLineStepper.hpp.

View newest version in sPHENIX GitHub at line 111 of file StraightLineStepper.hpp

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), Acts::StraightLineStepper::boundState(), Acts::StraightLineStepper::curvilinearState(), and State().

FreeVector Acts::StraightLineStepper::State::derivative = FreeVector::Zero()

The propagation derivative.

Definition at line 102 of file StraightLineStepper.hpp.

View newest version in sPHENIX GitHub at line 102 of file StraightLineStepper.hpp

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), Acts::StraightLineStepper::boundState(), Acts::StraightLineStepper::curvilinearState(), Acts::StraightLineStepper::resetState(), Acts::StraightLineStepper::transportCovarianceToBound(), and Acts::StraightLineStepper::transportCovarianceToCurvilinear().

std::reference_wrapper<const GeometryContext> Acts::StraightLineStepper::State::geoContext

Definition at line 127 of file StraightLineStepper.hpp.

View newest version in sPHENIX GitHub at line 127 of file StraightLineStepper.hpp

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), Acts::StraightLineStepper::boundState(), Acts::StraightLineStepper::resetState(), Acts::StraightLineStepper::transportCovarianceToBound(), and Acts::StraightLineStepper::update().

Jacobian Acts::StraightLineStepper::State::jacobian = Jacobian::Identity()

The full jacobian of the transport entire transport.

Definition at line 99 of file StraightLineStepper.hpp.

View newest version in sPHENIX GitHub at line 99 of file StraightLineStepper.hpp

Referenced by Acts::StraightLineStepper::boundState(), Acts::StraightLineStepper::curvilinearState(), Acts::StraightLineStepper::resetState(), Acts::StraightLineStepper::transportCovarianceToBound(), and Acts::StraightLineStepper::transportCovarianceToCurvilinear().

BoundToFreeMatrix Acts::StraightLineStepper::State::jacToGlobal = BoundToFreeMatrix::Zero()

Jacobian from local to the global frame.

Definition at line 93 of file StraightLineStepper.hpp.

View newest version in sPHENIX GitHub at line 93 of file StraightLineStepper.hpp

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), Acts::StraightLineStepper::boundState(), Acts::StraightLineStepper::curvilinearState(), Acts::StraightLineStepper::resetState(), State(), Acts::StraightLineStepper::transportCovarianceToBound(), Acts::StraightLineStepper::transportCovarianceToCurvilinear(), and Acts::StraightLineStepper::update().

FreeMatrix Acts::StraightLineStepper::State::jacTransport = FreeMatrix::Identity()

Pure transport jacobian part from runge kutta integration.

Definition at line 96 of file StraightLineStepper.hpp.

View newest version in sPHENIX GitHub at line 96 of file StraightLineStepper.hpp

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), Acts::StraightLineStepper::boundState(), Acts::StraightLineStepper::curvilinearState(), Acts::StraightLineStepper::resetState(), Acts::StraightLineStepper::transportCovarianceToBound(), and Acts::StraightLineStepper::transportCovarianceToCurvilinear().

FreeVector Acts::StraightLineStepper::State::pars = FreeVector::Zero()

Internal free vector parameters.

Definition at line 105 of file StraightLineStepper.hpp.

View newest version in sPHENIX GitHub at line 105 of file StraightLineStepper.hpp

Referenced by Acts::StraightLineStepper::boundState(), Acts::StraightLineStepper::curvilinearState(), Acts::StraightLineStepper::direction(), Acts::StraightLineStepper::position(), Acts::StraightLineStepper::qOverP(), State(), Acts::StraightLineStepper::time(), Acts::StraightLineStepper::transportCovarianceToBound(), Acts::StraightLineStepper::transportCovarianceToCurvilinear(), and Acts::StraightLineStepper::update().

ParticleHypothesis Acts::StraightLineStepper::State::particleHypothesis = ParticleHypothesis::pion()

Particle hypothesis.

Definition at line 108 of file StraightLineStepper.hpp.

View newest version in sPHENIX GitHub at line 108 of file StraightLineStepper.hpp

Referenced by Acts::StraightLineStepper::boundState(), Acts::StraightLineStepper::curvilinearState(), and Acts::StraightLineStepper::particleHypothesis().

double Acts::StraightLineStepper::State::pathAccumulated = 0.

accummulated path length state

Definition at line 115 of file StraightLineStepper.hpp.

View newest version in sPHENIX GitHub at line 115 of file StraightLineStepper.hpp

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), Acts::StraightLineStepper::boundState(), Acts::StraightLineStepper::curvilinearState(), and Acts::StraightLineStepper::resetState().

double Acts::StraightLineStepper::State::previousStepSize = 0.

Definition at line 121 of file StraightLineStepper.hpp.

View newest version in sPHENIX GitHub at line 121 of file StraightLineStepper.hpp

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), and Acts::StraightLineStepper::setStepSize().

ConstrainedStep Acts::StraightLineStepper::State::stepSize

adaptive step size of the runge-kutta integration

Definition at line 118 of file StraightLineStepper.hpp.

View newest version in sPHENIX GitHub at line 118 of file StraightLineStepper.hpp

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), Acts::StraightLineStepper::getStepSize(), Acts::StraightLineStepper::outputStepSize(), Acts::StraightLineStepper::releaseStepSize(), Acts::StraightLineStepper::resetState(), and Acts::StraightLineStepper::setStepSize().

double Acts::StraightLineStepper::State::tolerance = s_onSurfaceTolerance

The tolerance for the stepping.

Definition at line 124 of file StraightLineStepper.hpp.

View newest version in sPHENIX GitHub at line 124 of file StraightLineStepper.hpp

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE().

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

acts/blob/sPHENIX/Core/include/Acts/Propagator/StraightLineStepper.hpp

Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

Member Data Documentation