Trk::SpacePoint Class Reference

#include <SpacePoint.h>

Inheritance diagram for Trk::SpacePoint:

Collaboration diagram for Trk::SpacePoint:

Public Member Functions
	SpacePoint ()
virtual	~SpacePoint ()=default
const std::pair< IdentifierHash, IdentifierHash > &	elementIdList () const
	return the pair of Ids of the element by reference More...
const std::pair< const PrepRawData *, const PrepRawData * > &	clusterList () const
	return the pair of cluster pointers by reference More...
const	AmgSymMatrix (3) &globCovariance() const
	return the error matrix by reference The Matrix is calculated from the local Covariance Matrix when demanded and the cached More...
double	eta (double z0=0) const
	calculate eta (not cached), needs z0 info More...
double	r () const
	returns the r value of the SpacePoint's position (in cylindrical coordinates). More...
double	phi () const
	returns the phi value of the SpacePoint's position (in cylindrical coordinates). More...
virtual const Surface &	associatedSurface () const override final
	Interface method to get the associated Surface. More...
virtual const Amg::Vector3D &	globalPosition () const override final
	Interface method to get the global Position. More...
virtual SpacePoint *	clone () const override=0
	Clone. More...
std::unique_ptr< SpacePoint >	uniqueClone () const
	Clone. More...
virtual bool	type (MeasurementBaseType::Type type) const override final
	Extended method checking the type. More...
virtual MsgStream &	dump (MsgStream &out) const override=0
	Interface method for output, to be overloaded by child classes*. More...
virtual std::ostream &	dump (std::ostream &out) const override=0
	Interface method for output, to be overloaded by child classes*. More...
const LocalParameters &	localParameters () const
	Interface method to get the LocalParameters. More...
const Amg::MatrixX &	localCovariance () const
	Interface method to get the localError. More...

Protected Member Functions
	AmgSymMatrix (3) m_globalCovariance
	SpacePoint (const SpacePoint &)=default
	SpacePoint (SpacePoint &&) noexcept=default
SpacePoint &	operator= (const SpacePoint &)=default
SpacePoint &	operator= (SpacePoint &&) noexcept=default
void	setupGlobalFromLocalCovariance ()
	set up the global covariance matrix by rotating the local one More...

Protected Attributes
std::pair< const PrepRawData *, const PrepRawData * >	m_clusList
std::pair< IdentifierHash, IdentifierHash >	m_elemIdList
Amg::Vector3D	m_position
LocalParameters	m_localParams
Amg::MatrixX	m_localCovariance

Detailed Description

Definition at line 35 of file Tracking/TrkEvent/TrkSpacePoint/TrkSpacePoint/SpacePoint.h.

Constructor & Destructor Documentation

SpacePoint() [1/3]

SpacePoint::SpacePoint

(

)

Definition at line 30 of file Tracking/TrkEvent/TrkSpacePoint/src/SpacePoint.cxx.

    :
    m_clusList(nullptr, nullptr),
    m_elemIdList(0,0),
    m_position(),
    m_globalCovariance()
  {
  } 

~SpacePoint()

virtual Trk::SpacePoint::~SpacePoint ( )

virtualdefault

SpacePoint() [2/3]

Trk::SpacePoint::SpacePoint ( const SpacePoint &  )

protecteddefault

SpacePoint() [3/3]

Trk::SpacePoint::SpacePoint ( SpacePoint &&  )

protecteddefaultnoexcept

Member Function Documentation

AmgSymMatrix() [1/2]

const Trk::SpacePoint::AmgSymMatrix

(

3

)

const &

return the error matrix by reference The Matrix is calculated from the local Covariance Matrix when demanded and the cached

AmgSymMatrix() [2/2]

Trk::SpacePoint::AmgSymMatrix ( 3  )

protected

associatedSurface()

const Surface & SpacePoint::associatedSurface ( ) const

finaloverridevirtual

Interface method to get the associated Surface.

Implements Trk::MeasurementBase.

Definition at line 77 of file Tracking/TrkEvent/TrkSpacePoint/src/SpacePoint.cxx.

                                                     {
    assert(m_clusList.first->detectorElement());
    return m_clusList.first->detectorElement()->surface();
  }

clone()

virtual SpacePoint* Trk::SpacePoint::clone ( ) const

overridepure virtual

Clone.

Implements Trk::MeasurementBase.

Implemented in InDet::SCT_SpacePoint, and InDet::PixelSpacePoint.

clusterList()

const std::pair< const PrepRawData *, const PrepRawData * > & SpacePoint::clusterList ( ) const

inline

return the pair of cluster pointers by reference

Definition at line 127 of file Tracking/TrkEvent/TrkSpacePoint/TrkSpacePoint/SpacePoint.h.

                              {
  return m_clusList;
}

dump() [1/2]

virtual MsgStream& Trk::SpacePoint::dump ( MsgStream &  out ) const

overridepure virtual

Interface method for output, to be overloaded by child classes*.

Implements Trk::MeasurementBase.

Implemented in InDet::SCT_SpacePoint, and InDet::PixelSpacePoint.

dump() [2/2]

virtual std::ostream& Trk::SpacePoint::dump ( std::ostream &  out ) const

overridepure virtual

Interface method for output, to be overloaded by child classes*.

Implements Trk::MeasurementBase.

Implemented in InDet::SCT_SpacePoint, and InDet::PixelSpacePoint.

elementIdList()

const std::pair< IdentifierHash, IdentifierHash > & SpacePoint::elementIdList ( ) const

inline

return the pair of Ids of the element by reference

Definition at line 122 of file Tracking/TrkEvent/TrkSpacePoint/TrkSpacePoint/SpacePoint.h.

                                {
  return m_elemIdList;
}

eta()

double SpacePoint::eta ( double  z0 = 0 ) const

inline

calculate eta (not cached), needs z0 info

Definition at line 131 of file Tracking/TrkEvent/TrkSpacePoint/TrkSpacePoint/SpacePoint.h.

                                             {
  //  double zr = (m_z-z0)/m_r;
  double zr = (m_position.z() - z0) / m_position.perp();
  return std::log(zr + std::sqrt(1. + zr * zr));
}

globalPosition()

const Amg::Vector3D & SpacePoint::globalPosition ( ) const

inlinefinaloverridevirtual

Interface method to get the global Position.

Implements Trk::MeasurementBase.

Definition at line 146 of file Tracking/TrkEvent/TrkSpacePoint/TrkSpacePoint/SpacePoint.h.

                                                           {
  return m_position;
}

localCovariance()

const Amg::MatrixX & Trk::MeasurementBase::localCovariance ( ) const

inlineinherited

Interface method to get the localError.

Definition at line 138 of file MeasurementBase.h.

{
  return m_localCovariance;
}

localParameters()

const Trk::LocalParameters & Trk::MeasurementBase::localParameters ( ) const

inlineinherited

Interface method to get the LocalParameters.

Definition at line 132 of file MeasurementBase.h.

{
  return m_localParams;
}

operator=() [1/2]

SpacePoint& Trk::SpacePoint::operator= ( const SpacePoint &  )

protecteddefault

operator=() [2/2]

SpacePoint& Trk::SpacePoint::operator= ( SpacePoint &&  )

protecteddefaultnoexcept

phi()

double SpacePoint::phi ( ) const

inline

returns the phi value of the SpacePoint's position (in cylindrical coordinates).

This is calculated once in the ctor and then cached

Definition at line 141 of file Tracking/TrkEvent/TrkSpacePoint/TrkSpacePoint/SpacePoint.h.

                                    {
  return m_position.phi();
}

r()

double SpacePoint::r ( ) const

inline

returns the r value of the SpacePoint's position (in cylindrical coordinates).

This is calculated once in the ctor and then cached

Definition at line 137 of file Tracking/TrkEvent/TrkSpacePoint/TrkSpacePoint/SpacePoint.h.

                                  {
  return m_position.perp();
}

setupGlobalFromLocalCovariance()

ATH_FLATTEN void SpacePoint::setupGlobalFromLocalCovariance ( )

protected

set up the global covariance matrix by rotating the local one

Definition at line 63 of file Tracking/TrkEvent/TrkSpacePoint/src/SpacePoint.cxx.

                                                  {
    const Amg::MatrixX& lc = this->localCovariance();
 
    Eigen::Matrix3d cov;
 
    cov << lc(0, 0), lc(0, 1), 0., 
           lc(1, 0), lc(1, 1), 0.,
           // cppcheck-suppress constStatement
           0., 0., 0.;
 
    const Amg::RotationMatrix3D& R = associatedSurface().transform().rotation();
    m_globalCovariance = R * cov * R.transpose();
  }

type()

virtual bool Trk::SpacePoint::type ( MeasurementBaseType::Type  type ) const

inlinefinaloverridevirtual

Extended method checking the type.

Implements Trk::MeasurementBase.

Definition at line 87 of file Tracking/TrkEvent/TrkSpacePoint/TrkSpacePoint/SpacePoint.h.

                                                                       {
    return (type == MeasurementBaseType::SpacePoint);
  }

uniqueClone()

std::unique_ptr<SpacePoint> Trk::SpacePoint::uniqueClone ( ) const

inline

Clone.

Definition at line 82 of file Tracking/TrkEvent/TrkSpacePoint/TrkSpacePoint/SpacePoint.h.

                                                {
    return std::unique_ptr<SpacePoint>(clone());
  }

Member Data Documentation

m_clusList

std::pair<const PrepRawData*, const PrepRawData*> Trk::SpacePoint::m_clusList

protected

Definition at line 97 of file Tracking/TrkEvent/TrkSpacePoint/TrkSpacePoint/SpacePoint.h.

m_elemIdList

std::pair<IdentifierHash, IdentifierHash> Trk::SpacePoint::m_elemIdList

protected

Definition at line 98 of file Tracking/TrkEvent/TrkSpacePoint/TrkSpacePoint/SpacePoint.h.

m_localCovariance

Amg::MatrixX Trk::MeasurementBase::m_localCovariance

protectedinherited

Definition at line 112 of file MeasurementBase.h.

m_localParams

LocalParameters Trk::MeasurementBase::m_localParams

protectedinherited

Definition at line 111 of file MeasurementBase.h.

m_position

Amg::Vector3D Trk::SpacePoint::m_position

protected

Definition at line 99 of file Tracking/TrkEvent/TrkSpacePoint/TrkSpacePoint/SpacePoint.h.

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

• Tracking/TrkEvent/TrkSpacePoint/TrkSpacePoint/SpacePoint.h
• Tracking/TrkEvent/TrkSpacePoint/src/SpacePoint.cxx