genfit::FieldManager Class Reference

Singleton which provides access to magnetic field maps. More...

#include <fun4all_GenFit/blob/master/core/include/FieldManager.h>

Collaboration diagram for genfit::FieldManager:

Public Member Functions
AbsBField *	getField ()
TVector3	getFieldVal (const TVector3 &position)
	This does NOT use the cache!
void	getFieldVal (const double &posX, const double &posY, const double &posZ, double &Bx, double &By, double &Bz)
void	init (AbsBField *b)
	set the magnetic field here. Magnetic field classes must be derived from AbsBField.
void	destruct ()
bool	isInitialized ()
void	checkInitialized ()
void	useCache (bool opt=true, unsigned int nBuckets=8)
	Cache last lookup positions, and use stored field values if a lookup at (almost) the same position is done.

Static Public Member Functions
static void	checkInstanciated ()
static FieldManager *	getInstance ()
	Get singleton instance.

Private Member Functions
	FieldManager ()
	~FieldManager ()

Static Private Attributes
static FieldManager *	instance_ = nullptr
static AbsBField *	field_ = nullptr
static bool	useCache_
static unsigned int	n_buckets_
static fieldCache *	cache_

Detailed Description

Singleton which provides access to magnetic field maps.

Author

Christian Höppner (Technische Universität München, original author)

Sebastian Neubert (Technische Universität München, original author)

Definition at line 53 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 53 of file FieldManager.h

Constructor & Destructor Documentation

genfit::FieldManager::FieldManager ( )

inlineprivate

Definition at line 129 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 129 of file FieldManager.h

Referenced by getInstance().

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genfit::FieldManager::~FieldManager ( )

inlineprivate

Definition at line 131 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 131 of file FieldManager.h

References cache_.

Member Function Documentation

void genfit::FieldManager::checkInitialized ( )

inline

Definition at line 91 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 91 of file FieldManager.h

References check_license::err(), genfit::errorOut, and isInitialized().

Referenced by getField(), and getFieldVal().

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static void genfit::FieldManager::checkInstanciated ( )

inlinestatic

Definition at line 100 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 100 of file FieldManager.h

References check_license::err(), genfit::errorOut, and instance_.

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void genfit::FieldManager::destruct ( )

inline

Definition at line 82 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 82 of file FieldManager.h

References instance_.

Referenced by genfit::RKTrackRepTests::TearDown(), and genfit::ConstFieldInitializedTests::TearDown().

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AbsBField* genfit::FieldManager::getField ( )

inline

Definition at line 57 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 57 of file FieldManager.h

References checkInitialized(), and field_.

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TVector3 genfit::FieldManager::getFieldVal ( const TVector3 &  position )

inline

This does NOT use the cache!

Definition at line 63 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 63 of file FieldManager.h

References checkInitialized(), field_, and genfit::AbsBField::get().

Referenced by PHTpcTrackFollower::get_projected_coordinate(), genfit::HelixTrackModel::HelixTrackModel(), genfit::GFRaveMagneticField::inTesla(), PHGenFitTrackProjection::process_event(), genfit::GFGbl::processTrackWithRep(), genfit::GblFitter::processTrackWithRep(), and genfit::RKTrackRep::RKPropagate().

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void genfit::FieldManager::getFieldVal	(	const double &	posX,
		const double &	posY,
		const double &	posZ,
		double &	Bx,
		double &	By,
		double &	Bz
	)

static FieldManager* genfit::FieldManager::getInstance ( )

inlinestatic

Get singleton instance.

Definition at line 119 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 119 of file FieldManager.h

References FieldManager(), and instance_.

Referenced by PHGenFit2::Fitter::Fitter(), PHGenFit::Fitter::Fitter(), PHTpcTrackFollower::get_projected_coordinate(), genfit::HelixTrackModel::HelixTrackModel(), genfit::GFRaveMagneticField::inTesla(), main(), PHGenFitTrackProjection::process_event(), genfit::GFGbl::processTrackWithRep(), genfit::GblFitter::processTrackWithRep(), genfit::RKTrackRep::RKPropagate(), genfit::RKTrackRepTests::SetUp(), genfit::ConstFieldInitializedTests::SetUp(), genfit::RKTrackRepTests::TearDown(), genfit::ConstFieldInitializedTests::TearDown(), and genfit::TEST_F().

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void genfit::FieldManager::init ( AbsBField *  b )

inline

set the magnetic field here. Magnetic field classes must be derived from AbsBField.

Definition at line 78 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 78 of file FieldManager.h

References field_.

Referenced by PHGenFit2::Fitter::Fitter(), PHGenFit::Fitter::Fitter(), main(), genfit::RKTrackRepTests::SetUp(), and genfit::ConstFieldInitializedTests::SetUp().

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bool genfit::FieldManager::isInitialized ( )

inline

Definition at line 89 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 89 of file FieldManager.h

References field_.

Referenced by checkInitialized().

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void genfit::FieldManager::useCache	(	bool	opt = true,
		unsigned int	nBuckets = 8
	)

Cache last lookup positions, and use stored field values if a lookup at (almost) the same position is done.

Referenced by main().

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Member Data Documentation

fieldCache* genfit::FieldManager::cache_

staticprivate

Definition at line 141 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 141 of file FieldManager.h

Referenced by ~FieldManager().

AbsBField * genfit::FieldManager::field_ = nullptr

staticprivate

Definition at line 136 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 136 of file FieldManager.h

Referenced by getField(), getFieldVal(), init(), and isInitialized().

FieldManager * genfit::FieldManager::instance_ = nullptr

staticprivate

Definition at line 135 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 135 of file FieldManager.h

Referenced by checkInstanciated(), destruct(), and getInstance().

unsigned int genfit::FieldManager::n_buckets_

staticprivate

Definition at line 140 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 140 of file FieldManager.h

bool genfit::FieldManager::useCache_

staticprivate

Definition at line 139 of file FieldManager.h.

View newest version in sPHENIX GitHub at line 139 of file FieldManager.h

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

• fun4all_GenFit/blob/master/core/include/FieldManager.h
• fun4all_GenFit/blob/master/core/src/FieldManager.cc