CDCSegment3D Class Reference

A segment consisting of three dimensional reconstructed hits. More...

#include <CDCSegment3D.h>

Inheritance diagram for CDCSegment3D:

Public Member Functions
CDCSegment2D	stereoProjectToRef () const
	Constructs a two dimensional segment by carrying out the stereo ! projection to the wire reference position.
AutomatonCell &	getAutomatonCell () const
	Mutable getter for the automaton cell.
AutomatonCell *	operator-> () const
	Indirection to the automaton cell for easier access to the flags.
void	unsetAndForwardMaskedFlag (bool toHits=true) const
	Unset the masked flag of the automaton cell of this segment and of all contained wire hits.
void	setAndForwardMaskedFlag (bool toHits=true) const
	Set the masked flag of the automaton cell of this segment and forward the masked flag to all contained wire hits.
void	receiveMaskedFlag (bool fromHits=true) const
	Check all contained wire hits if one has the masked flag.
CDCTrajectory3D &	getTrajectory3D () const
	Getter for the two dimensional trajectory fitted to the segment.
void	setTrajectory3D (const CDCTrajectory3D &trajectory3D) const
	Setter for the two dimensional trajectory fitted to the segment.
EStereoKind	getStereoKind () const
	Returns the common stereo type of all hits.
bool	isAxial () const
	Indicator if the underlying wires are axial.
ISuperLayer	getISuperLayer () const
	Returns the common super layer id of all stored tracking hits.
const std::vector< CDCRecoHit3D > &	items () const
	Legacy accessor for the items of the segments, still used in some corners.
CDCTrajectory2D &	getTrajectory2D () const
	Getter for the two dimensional trajectory fitted to the segment.
void	setTrajectory2D (const CDCTrajectory2D &trajectory2D) const
	Setter for the two dimensional trajectory fitted to the segment.
void	sortByArcLength2D ()
	Sort the recoHits according to their perpS information.
double	getAliasScore () const
	Getter for the flag that this segment may have an aliased version.
void	setAliasScore (double aliasScore)
	Setter for the flag that this segment may have an aliased version.

Static Public Member Functions
static CDCSegment3D	reconstruct (const CDCSegment2D &segment2D, const CDCTrajectory2D &trajectory2D)
	Reconstructs a two dimensional stereo segment by shifting each hit onto the given two dimensional trajectory.

Public Attributes
T	elements
	STL member.

Private Attributes
AutomatonCell	m_automatonCell
	Memory for the automaton cell.
CDCTrajectory3D	m_trajectory3D
	Memory for the three dimensional trajectory fitted to this segment.
CDCTrajectory2D	m_trajectory2D
	Memory for the two dimensional trajectory fitted to this segment.
double	m_aliasScore
	Boolean flag to indicate that this segment has a valid alias version.

Detailed Description

A segment consisting of three dimensional reconstructed hits.

Definition at line 26 of file CDCSegment3D.h.

Member Function Documentation

getAliasScore()

double getAliasScore ( ) const

inlineinherited

Getter for the flag that this segment may have an aliased version.

Definition at line 90 of file CDCSegment.h.

      {
        return m_aliasScore;
      }

getAutomatonCell()

AutomatonCell & getAutomatonCell ( ) const

inline

Mutable getter for the automaton cell.

Definition at line 40 of file CDCSegment3D.h.

      {
        return m_automatonCell;
      }

getISuperLayer()

ISuperLayer getISuperLayer ( ) const

inlineinherited

Returns the common super layer id of all stored tracking hits.

This checks if all items are located in the same superlayer and returns the superlayer id of the later. Returns ISuperLayerUtil::c_Invalid, if the superlayer is not shared among the hits.

Definition at line 57 of file CDCSegment.h.

      {
        return ISuperLayerUtil::getFrom(this->front());
      }

getStereoKind()

EStereoKind getStereoKind ( ) const

inlineinherited

Returns the common stereo type of all hits.

This checks if all tracking hits are located in the same superlayer and
returns the stereo type of the later. Returns EStereoKind::c_Invalid if the superlayer
is not shared among the tracking hits.

Definition at line 39 of file CDCSegment.h.

      {
        return ISuperLayerUtil::getStereoKind(getISuperLayer());
      }

getTrajectory2D()

CDCTrajectory2D & getTrajectory2D ( ) const

inlineinherited

Getter for the two dimensional trajectory fitted to the segment.

Definition at line 69 of file CDCSegment.h.

      {
        return m_trajectory2D;
      }

getTrajectory3D()

CDCTrajectory3D & getTrajectory3D ( ) const

inline

Getter for the two dimensional trajectory fitted to the segment.

Definition at line 71 of file CDCSegment3D.h.

      {
        return m_trajectory3D;
      }

isAxial()

bool isAxial ( ) const

inlineinherited

Indicator if the underlying wires are axial.

Definition at line 45 of file CDCSegment.h.

      {
        return getStereoKind() == EStereoKind::c_Axial;
      }

items()

const std::vector< CDCRecoHit3D > & items ( ) const

inlineinherited

Legacy accessor for the items of the segments, still used in some corners.

Definition at line 63 of file CDCSegment.h.

      {
        return *this;
      }

operator->()

AutomatonCell * operator-> ( ) const

inline

Indirection to the automaton cell for easier access to the flags.

Definition at line 46 of file CDCSegment3D.h.

      {
        return &m_automatonCell;
      }

receiveMaskedFlag()

void receiveMaskedFlag

(

bool

fromHits = true

)

const

Check all contained wire hits if one has the masked flag.

Set the masked flag of this segment in case at least one of the contained wire hits is flagged as masked.

Definition at line 62 of file CDCSegment3D.cc.

{
  if (not fromHits) return;
  int nMasked = 0 ;
  int nNotMasked = 0;
  for (const CDCRecoHit3D& recoHit3D : *this) {
    const CDCWireHit& wireHit = recoHit3D.getWireHit();
    if (wireHit.getAutomatonCell().hasMaskedFlag()) {
      ++nMasked;
    } else {
      ++nNotMasked;
    }
  }
 
  const int nTolerance = 2;
  if (nMasked > nNotMasked or nMasked >= nTolerance) {
    getAutomatonCell().setMaskedFlag();
  }
}

reconstruct()

CDCSegment3D reconstruct ( const CDCSegment2D &  segment2D, const CDCTrajectory2D &  trajectory2D  )

static

Reconstructs a two dimensional stereo segment by shifting each hit onto the given two dimensional trajectory.

Definition at line 20 of file CDCSegment3D.cc.

{
  CDCSegment3D segment3D;
  for (const CDCRecoHit2D& recoHit2D : segment2D) {
    CDCRecoHit3D recoHit3D = CDCRecoHit3D::reconstruct(recoHit2D, trajectory2D);
    segment3D.push_back(recoHit3D);
  }
  segment3D.setAliasScore(segment2D.getAliasScore());
  return segment3D;
}

setAliasScore()

void setAliasScore ( double  aliasScore )

inlineinherited

Setter for the flag that this segment may have an aliased version.

Definition at line 96 of file CDCSegment.h.

      {
        m_aliasScore = aliasScore;
      }

setAndForwardMaskedFlag()

void setAndForwardMaskedFlag

(

bool

toHits = true

)

const

Set the masked flag of the automaton cell of this segment and forward the masked flag to all contained wire hits.

Definition at line 52 of file CDCSegment3D.cc.

{
  getAutomatonCell().setMaskedFlag();
  if (not toHits) return;
  for (const CDCRecoHit3D& recoHit3D : *this) {
    const CDCWireHit& wireHit = recoHit3D.getWireHit();
    wireHit.getAutomatonCell().setMaskedFlag();
  }
}

setTrajectory2D()

void setTrajectory2D ( const CDCTrajectory2D &  trajectory2D ) const

inlineinherited

Setter for the two dimensional trajectory fitted to the segment.

Definition at line 75 of file CDCSegment.h.

      {
        m_trajectory2D = trajectory2D;
      }

setTrajectory3D()

void setTrajectory3D ( const CDCTrajectory3D &  trajectory3D ) const

inline

Setter for the two dimensional trajectory fitted to the segment.

Definition at line 77 of file CDCSegment3D.h.

      {
        m_trajectory3D = trajectory3D;
      }

sortByArcLength2D()

void sortByArcLength2D ( )

inlineinherited

Sort the recoHits according to their perpS information.

Definition at line 81 of file CDCSegment.h.

      {
        // cppcheck-suppress constParameter
        std::stable_sort(this->begin(), this->end(), [](const T & recoHit, const T & otherRecoHit) {
          return recoHit.getArcLength2D() < otherRecoHit.getArcLength2D();
        });
      }

stereoProjectToRef()

CDCSegment2D stereoProjectToRef

(

)

const

Constructs a two dimensional segment by carrying out the stereo ! projection to the wire reference position.

Note : no fitting information is transported to the resulting segment.

Definition at line 32 of file CDCSegment3D.cc.

{
  CDCSegment2D result;
  for (const CDCRecoHit3D&  recoHit3D : *this) {
    result.push_back(recoHit3D.stereoProjectToRef());
  }
  result.setAliasScore(getAliasScore());
  return result;
}

unsetAndForwardMaskedFlag()

void unsetAndForwardMaskedFlag

(

bool

toHits = true

)

const

Unset the masked flag of the automaton cell of this segment and of all contained wire hits.

Definition at line 42 of file CDCSegment3D.cc.

{
  getAutomatonCell().unsetMaskedFlag();
  if (not toHits) return;
  for (const CDCRecoHit3D& recoHit3D : *this) {
    const CDCWireHit& wireHit = recoHit3D.getWireHit();
    wireHit.getAutomatonCell().unsetMaskedFlag();
  }
}

Member Data Documentation

m_aliasScore

double m_aliasScore

privateinherited

Boolean flag to indicate that this segment has a valid alias version.

Definition at line 106 of file CDCSegment.h.

m_automatonCell

AutomatonCell m_automatonCell

mutableprivate

Memory for the automaton cell.

It is declared mutable because it can vary rather freely despite of the hit content might be required fixed.

Definition at line 88 of file CDCSegment3D.h.

m_trajectory2D

CDCTrajectory2D m_trajectory2D

mutableprivateinherited

Memory for the two dimensional trajectory fitted to this segment.

Definition at line 103 of file CDCSegment.h.

m_trajectory3D

CDCTrajectory3D m_trajectory3D

mutableprivate

Memory for the three dimensional trajectory fitted to this segment.

Definition at line 91 of file CDCSegment3D.h.

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

• tracking/trackFindingCDC/eventdata/segments/include/CDCSegment3D.h
• tracking/trackFindingCDC/eventdata/segments/src/CDCSegment3D.cc