Corrected free to bound transform class based on covariance matrix sqrt root in UKF: https://doi.org/10.1117/12.280797. More...

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

Public Member Functions
	CorrectedFreeToBoundTransformer (ActsScalar alpha, ActsScalar beta, ActsScalar cosIncidentAngleMinCutoff, ActsScalar cosIncidentAngleMaxCutoff)

	CorrectedFreeToBoundTransformer (const FreeToBoundCorrection &freeToBoundCorrection)

	CorrectedFreeToBoundTransformer ()=default
	Default constructors.

	CorrectedFreeToBoundTransformer (const CorrectedFreeToBoundTransformer &)=default

	CorrectedFreeToBoundTransformer (CorrectedFreeToBoundTransformer &&)=default

CorrectedFreeToBoundTransformer &	operator= (const CorrectedFreeToBoundTransformer &)=default

CorrectedFreeToBoundTransformer &	operator= (CorrectedFreeToBoundTransformer &&)=default

std::optional< std::tuple < BoundVector, BoundSquareMatrix > >	operator() (const FreeVector &freeParams, const FreeSquareMatrix &freeCovariance, const Surface &surface, const GeometryContext &geoContext, Direction navDir=Direction::Forward, const Logger &logger=getDummyLogger()) const

Private Attributes
ActsScalar	m_alpha = 0.1
	The parameters to tune the weight in UKF (0 < alpha <=1)

ActsScalar	m_beta = 2

ActsScalar	m_cosIncidentAngleMinCutoff = 1e-5

ActsScalar	m_cosIncidentAngleMaxCutoff = 0.99500417

Detailed Description

Corrected free to bound transform class based on covariance matrix sqrt root in UKF: https://doi.org/10.1117/12.280797.

Definition at line 61 of file CorrectedTransformationFreeToBound.hpp.

View newest version in sPHENIX GitHub at line 61 of file CorrectedTransformationFreeToBound.hpp

Constructor & Destructor Documentation

Acts::detail::CorrectedFreeToBoundTransformer::CorrectedFreeToBoundTransformer	(	ActsScalar	alpha,
		ActsScalar	beta,
		ActsScalar	cosIncidentAngleMinCutoff,
		ActsScalar	cosIncidentAngleMaxCutoff
	)

Construct from boolean, UKF tuning parameters (alpha, beta) and incident angle cutoff for correction

Parameters

alpha	The UKF tuning parameter alpha
beta	The UKF tuning parameter beta
cosIncidentAngleMinCutoff	The cosine of max incident angle
cosIncidentAngleMaxCutoff	The cosine of min incident angle

Definition at line 37 of file CorrectedTransformationFreeToBound.cpp.

View newest version in sPHENIX GitHub at line 37 of file CorrectedTransformationFreeToBound.cpp

Acts::detail::CorrectedFreeToBoundTransformer::CorrectedFreeToBoundTransformer ( const FreeToBoundCorrection & freeToBoundCorrection )

Construct from a FreeToBoundCorrection

Parameters

freeToBoundCorrection The freeToBoundCorrection object

Definition at line 45 of file CorrectedTransformationFreeToBound.cpp.

View newest version in sPHENIX GitHub at line 45 of file CorrectedTransformationFreeToBound.cpp

References Acts::FreeToBoundCorrection::alpha, Acts::FreeToBoundCorrection::beta, Acts::FreeToBoundCorrection::cosIncidentAngleMaxCutoff, and Acts::FreeToBoundCorrection::cosIncidentAngleMinCutoff.

Acts::detail::CorrectedFreeToBoundTransformer::CorrectedFreeToBoundTransformer ( )

default

Default constructors.

Acts::detail::CorrectedFreeToBoundTransformer::CorrectedFreeToBoundTransformer ( const CorrectedFreeToBoundTransformer & )

default

Acts::detail::CorrectedFreeToBoundTransformer::CorrectedFreeToBoundTransformer ( CorrectedFreeToBoundTransformer && )

default

Member Function Documentation

std::optional< std::tuple< Acts::BoundVector, Acts::BoundSquareMatrix > > Acts::detail::CorrectedFreeToBoundTransformer::operator()	(	const FreeVector &	freeParams,
		const FreeSquareMatrix &	freeCovariance,
		const Surface &	surface,
		const GeometryContext &	geoContext,
		Direction	navDir = `Direction::Forward`,
		const Logger &	logger = `getDummyLogger()`
	)		const

Get the non-linearity corrected bound parameters and its covariance

Parameters

freeParams	The free parameters vector
freeCovariance	The free parameters covariance
Surface	The surface of the bound parameters being represented
geoContext	The geometry context
navDir	The navigation direction
logger	The logger

Definition at line 54 of file CorrectedTransformationFreeToBound.cpp.

View newest version in sPHENIX GitHub at line 54 of file CorrectedTransformationFreeToBound.cpp

References Acts::ACTS_VERBOSE(), ACTS_WARNING, Acts::ObjectMultiIntersection< object_t, representation_t >::closest(), Acts::eFreeDir0, Acts::eFreePos0, Acts::eFreeSize, i, Acts::Surface::intersect(), std::tr1::make_tuple(), Acts::Surface::normal(), Acts::ObjectIntersection< object_t, representation_t >::position(), S(), and Acts::detail::transformFreeToBoundParameters().

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CorrectedFreeToBoundTransformer& Acts::detail::CorrectedFreeToBoundTransformer::operator= ( const CorrectedFreeToBoundTransformer & )

default

CorrectedFreeToBoundTransformer& Acts::detail::CorrectedFreeToBoundTransformer::operator= ( CorrectedFreeToBoundTransformer && )

default

Member Data Documentation

ActsScalar Acts::detail::CorrectedFreeToBoundTransformer::m_alpha = 0.1

private

The parameters to tune the weight in UKF (0 < alpha <=1)

Definition at line 105 of file CorrectedTransformationFreeToBound.hpp.

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

ActsScalar Acts::detail::CorrectedFreeToBoundTransformer::m_beta = 2

private

Definition at line 106 of file CorrectedTransformationFreeToBound.hpp.

View newest version in sPHENIX GitHub at line 106 of file CorrectedTransformationFreeToBound.hpp

ActsScalar Acts::detail::CorrectedFreeToBoundTransformer::m_cosIncidentAngleMaxCutoff = 0.99500417

private

The minimum incident angle (i.e. maximum cos incident angle) cutoff for correction, note cos(0.1) = 0.99500417

Definition at line 114 of file CorrectedTransformationFreeToBound.hpp.

View newest version in sPHENIX GitHub at line 114 of file CorrectedTransformationFreeToBound.hpp

ActsScalar Acts::detail::CorrectedFreeToBoundTransformer::m_cosIncidentAngleMinCutoff = 1e-5

private

The maximum incident angle (i.e. minimum cos incident angle) cutoff for correction

Definition at line 110 of file CorrectedTransformationFreeToBound.hpp.

View newest version in sPHENIX GitHub at line 110 of file CorrectedTransformationFreeToBound.hpp

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

acts/blob/sPHENIX/Core/include/Acts/EventData/detail/CorrectedTransformationFreeToBound.hpp
acts/blob/sPHENIX/Core/src/EventData/CorrectedTransformationFreeToBound.cpp

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation