VertexExtrapolate Class Reference

#include <VertexExtrapolate.h>

Public Member Functions
	~VertexExtrapolate ()
void	KalFitExt (const HepPoint3D &point, DstMdcKalTrack *kalTrack, const int pid)
const HepVector	getHelixVector () const
const HepSymMatrix	getErrorMatrix () const
	~VertexExtrapolate ()
void	KalFitExt (const HepPoint3D &point, DstMdcKalTrack *kalTrack, const int pid)
const HepVector	getHelixVector () const
const HepSymMatrix	getErrorMatrix () const
	~VertexExtrapolate ()
void	KalFitExt (const HepPoint3D &point, DstMdcKalTrack *kalTrack, const int pid)
const HepVector	getHelixVector () const
const HepSymMatrix	getErrorMatrix () const

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

Detailed Description

Definition at line 33 of file Analysis/VertexFitRefine/include/VertexFitRefine/VertexExtrapolate.h.

Constructor & Destructor Documentation

~VertexExtrapolate() [1/3]

VertexExtrapolate::~VertexExtrapolate ( )

inline

Definition at line 36 of file Analysis/VertexFitRefine/include/VertexFitRefine/VertexExtrapolate.h.

{}

~VertexExtrapolate() [2/3]

VertexExtrapolate::~VertexExtrapolate ( )

inline

Definition at line 36 of file InstallArea/x86_64-el9-gcc13-dbg/include/VertexFitRefine/VertexExtrapolate.h.

{}

~VertexExtrapolate() [3/3]

VertexExtrapolate::~VertexExtrapolate ( )

inline

Definition at line 36 of file InstallArea/x86_64-el9-gcc13-opt/include/VertexFitRefine/VertexExtrapolate.h.

{}

Member Function Documentation

getErrorMatrix() [1/3]

const HepSymMatrix VertexExtrapolate::getErrorMatrix ( ) const

inline

Definition at line 69 of file Analysis/VertexFitRefine/include/VertexFitRefine/VertexExtrapolate.h.

{ return m_errorMatrix; }

getErrorMatrix() [2/3]

const HepSymMatrix VertexExtrapolate::getErrorMatrix

(

)

const

getErrorMatrix() [3/3]

const HepSymMatrix VertexExtrapolate::getErrorMatrix

(

)

const

getHelixVector() [1/3]

const HepVector VertexExtrapolate::getHelixVector ( ) const

inline

Definition at line 67 of file Analysis/VertexFitRefine/include/VertexFitRefine/VertexExtrapolate.h.

{ return m_helixVector; }

getHelixVector() [2/3]

const HepVector VertexExtrapolate::getHelixVector

(

)

const

getHelixVector() [3/3]

const HepVector VertexExtrapolate::getHelixVector

(

)

const

instance() [1/3]

VertexExtrapolate * VertexExtrapolate::instance ( )

static

Definition at line 28 of file VertexExtrapolate.cxx.

                                               {
  if ( m_instance == nullptr ) m_instance = new VertexExtrapolate();
  return m_instance;
}

Referenced by VertexFitRefine::init().

instance() [2/3]

VertexExtrapolate * VertexExtrapolate::instance ( )

static

instance() [3/3]

VertexExtrapolate * VertexExtrapolate::instance ( )

static

KalFitExt() [1/3]

void VertexExtrapolate::KalFitExt	(	const HepPoint3D &	point,
		DstMdcKalTrack *	kalTrack,
		const int	pid )

Definition at line 188 of file VertexExtrapolate.cxx.

                                                   {
  HepVector    tdsHelix  = kalTrack->getFHelix( pid );
  HepSymMatrix tdsMatrix = kalTrack->getFError( pid );
 
  HepPoint3D IP( 0., 0., 0. );
  // construct a KalFitTrack
  KalFitTrack fitTrack( IP, tdsHelix, tdsMatrix, pid, 0, 0 );
 
  // const double radius = 7.885; // centimeter first MDC wire?
  const double rp = point.perp();
  // const double radius = m_BesKalmanExtWalls[m_BesKalmanExtWalls.size() - 1]
  //                           .radius(); // outer radius
  const double     radius    = m_BesKalmanExtWalls[0].radius(); // outer radius
  const double     dphi      = fitTrack.intersect_cylinder( std::max( rp, radius ) );
  const HepPoint3D lastPivot = fitTrack.x( dphi );
  fitTrack.pivot( lastPivot );
  if ( rp <= radius ) extToAnyPoint( fitTrack, point );
 
  ///////// why pivot to IP? ///////
  // // set the pivot back to IP
  fitTrack.pivot( IP ); // for convention?
  setHelixVector( fitTrack.a() );
  setErrorMatrix( fitTrack.Ea() );
}

KalFitExt() [2/3]

void VertexExtrapolate::KalFitExt	(	const HepPoint3D &	point,
		DstMdcKalTrack *	kalTrack,
		const int	pid )

KalFitExt() [3/3]

void VertexExtrapolate::KalFitExt	(	const HepPoint3D &	point,
		DstMdcKalTrack *	kalTrack,
		const int	pid )

---

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

• Analysis/VertexFitRefine/include/VertexFitRefine/VertexExtrapolate.h
• InstallArea/x86_64-el9-gcc13-dbg/include/VertexFitRefine/VertexExtrapolate.h
• InstallArea/x86_64-el9-gcc13-opt/include/VertexFitRefine/VertexExtrapolate.h
• VertexExtrapolate.cxx