VertexFitBField Class Reference

#include <BField.h>

Public Member Functions
	~VertexFitBField ()
double	getBFieldZ (const HepPoint3D &vtx)
double	getBFieldZRef ()
double	getCBz (const HepVector &vtx, const HepVector &trackPosition)
	~VertexFitBField ()
double	getBFieldZ (const HepPoint3D &vtx)
double	getBFieldZRef ()
double	getCBz (const HepVector &vtx, const HepVector &trackPosition)
	~VertexFitBField ()
double	getBFieldZ (const HepPoint3D &vtx)
double	getBFieldZRef ()
double	getCBz (const HepVector &vtx, const HepVector &trackPosition)

Static Public Member Functions
static VertexFitBField *	instance ()
static VertexFitBField *	instance ()
static VertexFitBField *	instance ()

Detailed Description

Definition at line 22 of file Analysis/VertexFit/include/VertexFit/BField.h.

Constructor & Destructor Documentation

~VertexFitBField() [1/3]

VertexFitBField::~VertexFitBField ( )

inline

Definition at line 29 of file Analysis/VertexFit/include/VertexFit/BField.h.

{}

~VertexFitBField() [2/3]

VertexFitBField::~VertexFitBField ( )

inline

Definition at line 29 of file InstallArea/x86_64-el9-gcc13-dbg/include/VertexFit/BField.h.

{}

~VertexFitBField() [3/3]

VertexFitBField::~VertexFitBField ( )

inline

Definition at line 29 of file InstallArea/x86_64-el9-gcc13-opt/include/VertexFit/BField.h.

{}

Member Function Documentation

getBFieldZ() [1/3]

double VertexFitBField::getBFieldZ

(

const HepPoint3D &

vtx

)

Definition at line 51 of file Analysis/VertexFit/src/BField.cxx.

                                                          {
  HepVector3D vector( 0.0, 0.0, 0.0 );
  // fixed 2008-8-1
  double radius = sqrt( vtx.x() * vtx.x() + vtx.y() * vtx.y() );
  if ( radius < 150 && abs( vtx.z() ) < 150 )
  {
    m_pIMF->fieldVector( 10.0 * vtx, vector );
    return 1000 * vector.z(); // unit of m_BFieldZ is Tesla
  }
  else { return 1000 * m_pIMF->getReferField(); }
}

Referenced by HTrackParameter::center(), HTrackParameter::dHdp(), HTrackParameter::dHdx(), HTrackParameter::HTrackParameter(), HTrackParameter::positionTwoHelix(), and HTrackParameter::radius().

getBFieldZ() [2/3]

double VertexFitBField::getBFieldZ

(

const HepPoint3D &

vtx

)

getBFieldZ() [3/3]

double VertexFitBField::getBFieldZ

(

const HepPoint3D &

vtx

)

getBFieldZRef() [1/3]

double VertexFitBField::getBFieldZRef

(

)

Definition at line 63 of file Analysis/VertexFit/src/BField.cxx.

{ return 1000 * m_pIMF->getReferField(); }

Referenced by FastVertexFit::addTrack(), VFHelix::VFHelix(), VFHelix::VFHelix(), and VFHelix::VFHelix().

getBFieldZRef() [2/3]

double VertexFitBField::getBFieldZRef

(

)

getBFieldZRef() [3/3]

double VertexFitBField::getBFieldZRef

(

)

getCBz() [1/3]

double VertexFitBField::getCBz	(	const HepVector &	vtx,
		const HepVector &	trackPosition )

Definition at line 65 of file Analysis/VertexFit/src/BField.cxx.

                                                                                     {
  HepPoint3D Vtx( vtx[0], vtx[1], vtx[2] );
  HepPoint3D TrkPosition( trackPosition[0], trackPosition[1], trackPosition[2] );
 
  HepVector3D vector_vtx( 0.0, 0.0, 0.0 );
  HepVector3D vector_trk( 0.0, 0.0, 0.0 );
  double      radius = sqrt( vtx[0] * vtx[0] + vtx[1] * vtx[1] );
  if ( radius < 150 && abs( vtx[2] ) < 150 )
  {
    m_pIMF->fieldVector( 10.0 * Vtx, vector_vtx );
    m_pIMF->fieldVector( 10.0 * TrkPosition, vector_trk );
    return 1000 * alpha * ( vector_vtx.z() + vector_trk.z() ) / 2; // unit of m_BFieldZ is
                                                                   // Tesla
  }
  else { return 1000 * alpha * m_pIMF->getReferField(); }
}

Referenced by VertexFit::BuildVirtualParticle(), SecondVertexFit::Fit(), and VertexConstraints::UpdateConstraints().

getCBz() [2/3]

double VertexFitBField::getCBz	(	const HepVector &	vtx,
		const HepVector &	trackPosition )

getCBz() [3/3]

double VertexFitBField::getCBz	(	const HepVector &	vtx,
		const HepVector &	trackPosition )

instance() [1/3]

VertexFitBField * VertexFitBField::instance ( )

inlinestatic

Definition at line 24 of file Analysis/VertexFit/include/VertexFit/BField.h.

                                     {
    if ( s_bfield == 0 ) { s_bfield = new VertexFitBField(); }
    return s_bfield;
  }

Referenced by FastVertexFit::addTrack(), VertexFit::BuildVirtualParticle(), HTrackParameter::center(), HTrackParameter::dHdp(), HTrackParameter::dHdx(), SecondVertexFit::Fit(), HTrackParameter::HTrackParameter(), HTrackParameter::positionTwoHelix(), HTrackParameter::radius(), VertexConstraints::UpdateConstraints(), VFHelix::VFHelix(), VFHelix::VFHelix(), and VFHelix::VFHelix().

instance() [2/3]

VertexFitBField * VertexFitBField::instance ( )

inlinestatic

Definition at line 24 of file InstallArea/x86_64-el9-gcc13-dbg/include/VertexFit/BField.h.

                                     {
    if ( s_bfield == 0 ) { s_bfield = new VertexFitBField(); }
    return s_bfield;
  }

instance() [3/3]

VertexFitBField * VertexFitBField::instance ( )

inlinestatic

Definition at line 24 of file InstallArea/x86_64-el9-gcc13-opt/include/VertexFit/BField.h.

                                     {
    if ( s_bfield == 0 ) { s_bfield = new VertexFitBField(); }
    return s_bfield;
  }

---

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

• Analysis/VertexFit/include/VertexFit/BField.h
• InstallArea/x86_64-el9-gcc13-dbg/include/VertexFit/BField.h
• InstallArea/x86_64-el9-gcc13-opt/include/VertexFit/BField.h
• Analysis/VertexFit/src/BField.cxx