FairRKPropagator Class Reference

#include <EicRoot/blob/master/base/FairRKPropagator.h>

Inheritance diagram for FairRKPropagator:

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Public Member Functions
void	Step (Double_t Charge, Double_t *vecRKIn, Double_t *vecOut)
void	OneStepRungeKutta (Double_t charge, Double_t step, Double_t *vect, Double_t *vout)
	FairRKPropagator (FairField *field)
void	Propagat (Double_t Charge, Double_t *vecRKIn, Double_t *Pos)
void	PropagatToPlane (Double_t Charge, Double_t *vecRKIn, Double_t *vec1, Double_t *vec2, Double_t *vec3, Double_t *vecOut)
virtual	~FairRKPropagator ()
	ClassDef (FairRKPropagator, 1)

Private Member Functions
	FairRKPropagator (const FairRKPropagator &)
FairRKPropagator &	operator= (const FairRKPropagator &)

Private Attributes
Double_t	fMaxStep
FairField *	fMagField

Detailed Description

Runge-Kutte Track propagator

Author

M. Al-Turany

Version

0.1

Since

22.1.10

Definition at line 13 of file FairRKPropagator.h.

View newest version in sPHENIX GitHub at line 13 of file FairRKPropagator.h

Constructor & Destructor Documentation

FairRKPropagator::FairRKPropagator ( const FairRKPropagator &  )

private

FairRKPropagator::FairRKPropagator

(

FairField *

field

)

Definition at line 10 of file FairRKPropagator.cxx.

View newest version in sPHENIX GitHub at line 10 of file FairRKPropagator.cxx

FairRKPropagator::~FairRKPropagator ( )

virtual

Definition at line 18 of file FairRKPropagator.cxx.

View newest version in sPHENIX GitHub at line 18 of file FairRKPropagator.cxx

Member Function Documentation

FairRKPropagator::ClassDef	(	FairRKPropagator	,
		1
	)

void FairRKPropagator::OneStepRungeKutta	(	Double_t	charge,
		Double_t	step,
		Double_t *	vect,
		Double_t *	vout
	)

---

• *
• Runge-Kutta method for tracking a particle through a magnetic *
• field. Uses Nystroem algorithm (See Handbook Nat. Bur. of *
• Standards, procedure 25.5.20) *
• *
• Input parameters *
• CHARGE Particle charge *
• STEP Step size *
• VECT Initial co-ords,direction cosines,momentum *
• Output parameters *
• VOUT Output co-ords,direction cosines,momentum *
• User routine called *
• CALL GUFLD(X,F) *
• *
• ==>Called by : <USER>, GUSWIM *
• Authors R.Brun, M.Hansroul ********* *
• V.Perevoztchikov (CUT STEP implementation) *
• *
• *

  ---

Definition at line 143 of file FairRKPropagator.cxx.

View newest version in sPHENIX GitHub at line 143 of file FairRKPropagator.cxx

References Acts::Test::at, c, Acts::UnitConstants::e, fMagField, Acts::UnitConstants::h, h2, printf(), Acts::Test::step(), x, xyzt, y, and z.

Referenced by Step().

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FairRKPropagator& FairRKPropagator::operator= ( const FairRKPropagator &  )

private

void FairRKPropagator::Propagat	(	Double_t	Charge,
		Double_t *	vecRKIn,
		Double_t *	Pos
	)

Propagate to closest approach of a point Particle charge maximum Step size Initial co-ords,direction cosines,momentum Output co-ords,direction cosines,momentum

Definition at line 94 of file FairRKPropagator.cxx.

View newest version in sPHENIX GitHub at line 94 of file FairRKPropagator.cxx

References fMaxStep, k, printf(), and Step().

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void FairRKPropagator::PropagatToPlane	(	Double_t	Charge,
		Double_t *	vecRKIn,
		Double_t *	vec1,
		Double_t *	vec2,
		Double_t *	vec3,
		Double_t *	vecOut
	)

Propagate to closest approach of a plane Particle charge Initial co-ords,direction cosines,momentum vector on the plane vector on the plane point on the plane Output co-ords,direction cosines,momentum

vec1 & vec2 are vectors on the plane vec3 a point on the plane

Definition at line 23 of file FairRKPropagator.cxx.

View newest version in sPHENIX GitHub at line 23 of file FairRKPropagator.cxx

References fMaxStep, and Step().

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void FairRKPropagator::Step	(	Double_t	Charge,
		Double_t *	vecRKIn,
		Double_t *	vecOut
	)

Definition at line 123 of file FairRKPropagator.cxx.

View newest version in sPHENIX GitHub at line 123 of file FairRKPropagator.cxx

References fMaxStep, and OneStepRungeKutta().

Referenced by Propagat(), and PropagatToPlane().

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Member Data Documentation

FairField* FairRKPropagator::fMagField

private

Definition at line 20 of file FairRKPropagator.h.

View newest version in sPHENIX GitHub at line 20 of file FairRKPropagator.h

Referenced by OneStepRungeKutta().

Double_t FairRKPropagator::fMaxStep

private

Definition at line 19 of file FairRKPropagator.h.

View newest version in sPHENIX GitHub at line 19 of file FairRKPropagator.h

Referenced by Propagat(), PropagatToPlane(), and Step().

---

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

• EicRoot/blob/master/base/FairRKPropagator.h
• EicRoot/blob/master/base/FairRKPropagator.cxx