Trk::RecVertexPositions Class Reference

#include <RecVertexPositions.h>

Inheritance diagram for Trk::RecVertexPositions:

Collaboration diagram for Trk::RecVertexPositions:

Public Member Functions
	RecVertexPositions ()
	default constructor, if called initializes a RecVertexPositions with all data members set to 0.
	RecVertexPositions (const VertexPositions &pos)
	construct a RecVertexPositions from a Vertex.
	RecVertexPositions (const Amg::VectorX &pos, const Amg::MatrixX &cov, const double ndf=0., const double chi2=0., bool isWeightTimesPosition=false)
	constructs a RecVertexPositions with position, error, ndf, dhi2 and ntrk
	RecVertexPositions (const Amg::VectorX &pos, const double ndf=0., const double chi2=0.)
	RecVertexPositions (const RecVertexPositions &)
	copy constructor
RecVertexPositions &	operator= (const RecVertexPositions &)
	Assignement operator.
virtual MsgStream &	dump (MsgStream &sl) const
	Output Method for MsgStream, to be overloaded by child classes.
virtual std::ostream &	dump (std::ostream &sl) const
	Output Method for std::ostream, to be overloaded by child classes.
virtual	~RecVertexPositions ()
	default destructor
Amg::MatrixX const &	covariancePosition () const
	return the covDeltaV matrix of the vertex fit
void	setCovariancePosition (const Amg::MatrixX &)
void	setFitQuality (const Trk::FitQuality &)
const Trk::FitQuality &	fitQuality () const
	Fit quality access method.
const Amg::VectorX &	weightTimesPosition ()
void	setWeightTimesPosition (const Amg::VectorX &)
void	finalizePosition ()
const Amg::VectorX &	position () const
	return position of vertex
void	setPosition (const Amg::VectorX &)

Static Public Member Functions
static std::size_t	numberOfInstantiations ()

Static Public Attributes
static std::atomic_size_t	s_numberOfInstantiations

Protected Attributes
Amg::VectorX	m_position
	vertex position
bool	m_useWeightTimesPosition

Private Attributes
Amg::MatrixX	m_positionError
	cov matrix on vertex position (primary vtx+jet dir+distance)
Trk::FitQuality	m_fitQuality

Detailed Description

Definition at line 25 of file RecVertexPositions.h.

Constructor & Destructor Documentation

RecVertexPositions() [1/5]

Trk::RecVertexPositions::RecVertexPositions

(

)

default constructor, if called initializes a RecVertexPositions with all data members set to 0.

Definition at line 24 of file RecVertexPositions.cxx.

                                         :
    VertexPositions(),
    m_positionError(Amg::MatrixX())
  { m_positionError.setZero();}

RecVertexPositions() [2/5]

Trk::RecVertexPositions::RecVertexPositions

(

const VertexPositions &

pos

)

construct a RecVertexPositions from a Vertex.

ErrorMatrix will be 0,0,0.

Definition at line 30 of file RecVertexPositions.cxx.

                                                                   :
    VertexPositions(pos),
    m_positionError(Amg::MatrixX())
  { m_positionError.setZero();}

RecVertexPositions() [3/5]

Trk::RecVertexPositions::RecVertexPositions	(	const Amg::VectorX &	pos,
		const Amg::MatrixX &	cov,
		const double	ndf = 0.,
		const double	chi2 = 0.,
		bool	isWeightTimesPosition = false )

constructs a RecVertexPositions with position, error, ndf, dhi2 and ntrk

Definition at line 36 of file RecVertexPositions.cxx.

                                                 :
    VertexPositions(pos), m_positionError(cov), m_fitQuality(Trk::FitQuality(chi2,ndf)) {
    m_useWeightTimesPosition=isWeightTimesPosition;
  }

RecVertexPositions() [4/5]

Trk::RecVertexPositions::RecVertexPositions	(	const Amg::VectorX &	pos,
		const double	ndf = 0.,
		const double	chi2 = 0. )

Definition at line 44 of file RecVertexPositions.cxx.

                                                                                                   :
                VertexPositions(pos), 
        m_positionError(Amg::MatrixX()),
        m_fitQuality(Trk::FitQuality(chi2,ndf)) { m_positionError.setZero();}

RecVertexPositions() [5/5]

Trk::RecVertexPositions::RecVertexPositions ( const RecVertexPositions & )

default

copy constructor

~RecVertexPositions()

Trk::RecVertexPositions::~RecVertexPositions ( )

virtualdefault

default destructor

Member Function Documentation

covariancePosition()

const Amg::MatrixX & Trk::RecVertexPositions::covariancePosition

(

)

const

return the covDeltaV matrix of the vertex fit

Definition at line 162 of file RecVertexPositions.cxx.

  {return m_positionError; }

dump() [1/2]

MsgStream & Trk::RecVertexPositions::dump ( MsgStream & sl ) const

virtual

Output Method for MsgStream, to be overloaded by child classes.

Reimplemented from Trk::VertexPositions.

Definition at line 96 of file RecVertexPositions.cxx.

                                                         {
    sl << "Trk::RecVertexPositions: " << std::endl;
    //VertexOnJetAxis::dump(sl);
 
    if (m_useWeightTimesPosition) {
      sl << "Trk::VertexPositions weight times position: (" ;
    } else {
      sl << "Trk::VertexPositions position: (" ;
    }
    sl << "xv " << m_position(jet_xv) << "+/-" << sqrt(m_positionError(jet_xv,jet_xv)) << " , "
       << "yv " << m_position(jet_yv) << "+/-" << sqrt(m_positionError(jet_yv,jet_yv)) <<", "
       << "zv " << m_position(jet_zv) << "+/-" << sqrt(m_positionError(jet_zv,jet_zv)) <<", "
       << "phi " << m_position(jet_phi) << "+/-" << sqrt(m_positionError(jet_phi,jet_phi)) <<", "
       << "theta " << m_position(jet_theta) << "+/-" << sqrt(m_positionError(jet_theta,jet_theta)) << endmsg;
    if (!m_useWeightTimesPosition) {
      for (int i=5;i<m_position.rows();i++) {
    sl << "dist" << i << " " << m_position(i) << "+/-" << sqrt(m_positionError(i,i))<<" , ";
      }
    } else {
      for (int i=5;i<m_position.rows();i++) {
    sl << "dist corrected" << i << " " << (m_positionError*m_position).eval()(i) << "+/-" << sqrt(m_positionError(i,i))<<" , ";
      }
    }
    sl << endmsg;
   
   sl << m_positionError << std::endl;
   sl << "  ndf: " << m_fitQuality.doubleNumberDoF() << "\t chi2: " << m_fitQuality.chiSquared() << endmsg;
   return sl;
  }

dump() [2/2]

std::ostream & Trk::RecVertexPositions::dump ( std::ostream & sl ) const

virtual

Output Method for std::ostream, to be overloaded by child classes.

Reimplemented from Trk::VertexPositions.

Definition at line 126 of file RecVertexPositions.cxx.

                                                           {
    //    sl << "Trk::RecVertexPositions: " << std::endl;
    if (m_useWeightTimesPosition) {
      sl << "Trk::VertexPositions weight times position: (" ;
    } else {
      sl << "Trk::VertexPositions position: (" ;
    }
    sl << "xv " << m_position(jet_xv) << "+/-" <<sqrt(this->covariancePosition()(jet_xv,jet_xv)) << " , "
       << "yv " << m_position(jet_yv) << "+/-" <<sqrt(this->covariancePosition()(jet_yv,jet_yv)) <<", "
       << "zv " << m_position(jet_zv) << "+/-" <<sqrt(this->covariancePosition()(jet_zv,jet_zv)) <<", "
       << "phi " << m_position(jet_phi) << "+/-"<<sqrt(this->covariancePosition()(jet_phi,jet_phi)) <<", "
       << "theta " << m_position(jet_theta)<<"+/-"<<sqrt(this->covariancePosition()(jet_theta,jet_theta))
       << std::endl;
    if (!m_useWeightTimesPosition) {
      for (int i=5;i<m_position.rows();i++) {
    sl << "dist" << i << " " << m_position(i) << "+/-" << sqrt(this->covariancePosition()(i,i))<<" , ";
      }
    } else {
      for (int i=5;i<m_position.rows();i++) {
    sl << "dist corrected" << i << " " << (m_positionError*m_position).eval()(i) << "+/-" << sqrt(m_positionError(i,i))<<" , ";
      }
    }
    sl << std::endl;
    
    VertexPositions::dump(sl);
    sl << m_positionError << std::endl;
    sl << "  ndf: " << m_fitQuality.doubleNumberDoF() << "\t chi2: " << m_fitQuality.chiSquared() << std::endl;
    return sl;
  }

finalizePosition()

void Trk::RecVertexPositions::finalizePosition

(

)

Definition at line 75 of file RecVertexPositions.cxx.

                                            {
    if (m_useWeightTimesPosition) {
      m_useWeightTimesPosition=false;
      m_position=m_positionError*m_position;
    }
  }

fitQuality()

const Trk::FitQuality & Trk::RecVertexPositions::fitQuality

(

)

const

Fit quality access method.

Definition at line 158 of file RecVertexPositions.cxx.

  {return m_fitQuality;}

numberOfInstantiations()

std::size_t Trk::ObjectCounter< Trk::VertexPositions >::numberOfInstantiations ( )

inlinestaticinherited

Definition at line 25 of file TrkObjectCounter.h.

  {
#ifndef NDEBUG
    return s_numberOfInstantiations.load();
#endif
    return 0;
  }

operator=()

RecVertexPositions & Trk::RecVertexPositions::operator=

(

const RecVertexPositions &

rhs

)

Assignement operator.

Definition at line 84 of file RecVertexPositions.cxx.

  {
    if (this!=&rhs)
    {
      // you need to call the base class assignment operator
      VertexPositions::operator=(rhs);
      m_positionError = rhs.m_positionError;
      m_fitQuality = rhs.m_fitQuality;
    }
    return *this;
  }

position()

const Amg::VectorX & Trk::VertexPositions::position ( ) const

inherited

return position of vertex

Definition at line 86 of file VertexPositions.cxx.

{
  if (!m_useWeightTimesPosition) {
    return m_position;
  }
  std::cout << "FATAL: VertexPositions is not able to return a valid position "
            << " as a const object: need to go from Update to Use mode. "
               "Unrecovered Bug!"
            << std::endl;
  std::abort();
  //    return m_position;
}

setCovariancePosition()

void Trk::RecVertexPositions::setCovariancePosition

(

const Amg::MatrixX &

newerror

)

Definition at line 166 of file RecVertexPositions.cxx.

                                                                            {
    m_positionError=newerror;
  }

setFitQuality()

void Trk::RecVertexPositions::setFitQuality

(

const Trk::FitQuality &

newFitQuality

)

Definition at line 170 of file RecVertexPositions.cxx.

                                                                            {
    m_fitQuality=newFitQuality;
  }

setPosition()

void Trk::VertexPositions::setPosition ( const Amg::VectorX & newposition )

inherited

Definition at line 100 of file VertexPositions.cxx.

{
  m_position = newposition;
}

setWeightTimesPosition()

void Trk::RecVertexPositions::setWeightTimesPosition

(

const Amg::VectorX &

weightTimesPosition

)

Definition at line 67 of file RecVertexPositions.cxx.

                                                                                        {
    m_useWeightTimesPosition=true;
    m_position=weightTimesPosition;
  }

weightTimesPosition()

const Amg::VectorX & Trk::RecVertexPositions::weightTimesPosition

(

)

Definition at line 52 of file RecVertexPositions.cxx.

                                                            {
    if (!m_useWeightTimesPosition && m_positionError.determinant()!=0.0) {
      m_position=m_positionError.inverse()*m_position;
      m_useWeightTimesPosition=true;
    } else {
      std::cout << "Warning in RecVertexPositions: requested finalization but was already finalized..." << std::endl;
    }
    return m_position;
  }

Member Data Documentation

m_fitQuality

Trk::FitQuality Trk::RecVertexPositions::m_fitQuality

private

Definition at line 72 of file RecVertexPositions.h.

m_position

Amg::VectorX Trk::VertexPositions::m_position

protectedinherited

vertex position

Definition at line 48 of file VertexPositions.h.

m_positionError

Amg::MatrixX Trk::RecVertexPositions::m_positionError

private

cov matrix on vertex position (primary vtx+jet dir+distance)

Definition at line 71 of file RecVertexPositions.h.

m_useWeightTimesPosition

bool Trk::VertexPositions::m_useWeightTimesPosition

protectedinherited

Definition at line 49 of file VertexPositions.h.

s_numberOfInstantiations

std::atomic_size_t Trk::ObjectCounter< Trk::VertexPositions >::s_numberOfInstantiations

inlinestaticinherited

Definition at line 22 of file TrkObjectCounter.h.

---

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

• RecVertexPositions.h
• RecVertexPositions.cxx