CDCMCHitLookUp Class Reference

Interface class to the Monte Carlo information for individual hits. More...

#include <CDCMCHitLookUp.h>

Public Member Functions
	CDCMCHitLookUp ()=default
	Default constructor, needs to be public for initialization in CDCMCManager.
	CDCMCHitLookUp (CDCMCHitLookUp &)=delete
	Singleton: Delete copy constructor and assignment operator.
CDCMCHitLookUp &	operator= (const CDCMCHitLookUp &)=delete
	Operator =.
void	fill () const
	Method for forwarding a request to fill the Monte Carlo lookup tables from Python.
const Belle2::CDCSimHit *	getSimHit (const CDCHit *ptrHit) const
	Getter for the CDCSimHit which is related to the CDCHit contained in the given wire hit.
const Belle2::MCParticle *	getMCParticle (const CDCHit *ptrHit) const
	Getter for the MCParticle which is related to the CDCHit contained in the given wire hit.
const ROOT::Math::XYVector	getRefPos2D (const CDCHit *ptrHit) const
	Getter for the two dimensional reference position of the wire the given hit is located on - mainly for the python event display.
float	getRefDriftLength (const CDCHit *ptrHit) const
	Getter for the reference drift length in the two dimensional projection.
const ROOT::Math::XYZVector	getRecoPos3D (const CDCHit *ptrHit) const
	Getter for the three dimensional position of the primary ionisation for the hit.
const ROOT::Math::XYZVector	getClosestPrimaryRecoPos3D (const CDCHit *ptrHit) const
	Getter for the three dimensional position of the ionisation of the primary simulated hit for the hit.
bool	isReassignedSecondary (const CDCHit *ptrHit) const
	Indicates if the hit was reassigned to a different mc particle because it was caused by a secondary.
const CDCSimHit *	getClosestPrimarySimHit (const CDCHit *ptrHit) const
	Getter for the closest simulated hit of a primary particle to the given hit - may return nullptr of no closest is found.
ITrackType	getMCTrackId (const CDCHit *ptrHit) const
	Returns the track id for the hit.
bool	isBackground (const CDCHit *ptrHit) const
	Returns if this hit is considered background.
TrackingUtilities::Index	getInTrackId (const CDCHit *ptrHit) const
	Returns the position of the wire hit in the track along the travel direction.
TrackingUtilities::Index	getInTrackSegmentId (const CDCHit *ptrHit) const
	Returns the id of the segment in the track.
TrackingUtilities::Index	getNPassedSuperLayers (const CDCHit *ptrHit) const
	Returns the number of superlayers the track traversed until this hit.
TrackingUtilities::Index	getNLoops (const CDCHit *ptrHit) const
	Returns the number of loops the track traversed until this hit.
TrackingUtilities::ERightLeft	getRLInfo (const CDCHit *ptrHit) const
	Returns the true right left passage information.

Static Public Member Functions
static const CDCMCHitLookUp &	getInstance ()
	Getter for the singletone instance.

Detailed Description

Interface class to the Monte Carlo information for individual hits.

This class provides a stable interface for the underlying implementation for look ups into the Monte Carlo information for the first stage of the algorithm.

Definition at line 31 of file CDCMCHitLookUp.h.

Member Function Documentation

fill()

void fill

(

)

const

Method for forwarding a request to fill the Monte Carlo lookup tables from Python.

Definition at line 39 of file CDCMCHitLookUp.cc.

{
  return CDCMCManager::getInstance().fill();
}

getClosestPrimaryRecoPos3D()

const ROOT::Math::XYZVector getClosestPrimaryRecoPos3D

(

const CDCHit *

ptrHit

)

const

Getter for the three dimensional position of the ionisation of the primary simulated hit for the hit.

Definition at line 91 of file CDCMCHitLookUp.cc.

{
  return CDCMCManager::getSimHitLookUp().getClosestPrimaryRecoPos3D(ptrHit);
}

getClosestPrimarySimHit()

const CDCSimHit * getClosestPrimarySimHit

(

const CDCHit *

ptrHit

)

const

Getter for the closest simulated hit of a primary particle to the given hit - may return nullptr of no closest is found.

Definition at line 104 of file CDCMCHitLookUp.cc.

{
  return CDCMCManager::getSimHitLookUp().getClosestPrimarySimHit(ptrHit);
}

getInstance()

const CDCMCHitLookUp & getInstance ( )

static

Getter for the singletone instance.

Definition at line 33 of file CDCMCHitLookUp.cc.

{
  return CDCMCManager::getMCHitLookUp();
}

getInTrackId()

Index getInTrackId

(

const CDCHit *

ptrHit

)

const

Returns the position of the wire hit in the track along the travel direction.

Definition at line 130 of file CDCMCHitLookUp.cc.

{
  return CDCMCManager::getMCTrackStore().getInTrackId(ptrHit);
}

getInTrackSegmentId()

Index getInTrackSegmentId

(

const CDCHit *

ptrHit

)

const

Returns the id of the segment in the track.

Definition at line 136 of file CDCMCHitLookUp.cc.

{
  return CDCMCManager::getMCTrackStore().getInTrackSegmentId(ptrHit);
}

getMCParticle()

const Belle2::MCParticle * getMCParticle

(

const CDCHit *

ptrHit

)

const

Getter for the MCParticle which is related to the CDCHit contained in the given wire hit.

Definition at line 51 of file CDCMCHitLookUp.cc.

{
  return CDCMCManager::getMCMap().getMCParticle(ptrHit);
}

getMCTrackId()

ITrackType getMCTrackId

(

const CDCHit *

ptrHit

)

const

Returns the track id for the hit.

Definition at line 123 of file CDCMCHitLookUp.cc.

{
  const MCParticle* ptrMCParticle = getMCParticle(ptrHit);
  return ptrMCParticle ? ptrMCParticle->getArrayIndex() : INVALID_ITRACK;
}

getNLoops()

Index getNLoops

(

const CDCHit *

ptrHit

)

const

Returns the number of loops the track traversed until this hit.

Definition at line 148 of file CDCMCHitLookUp.cc.

{
  return CDCMCManager::getMCTrackStore().getNLoops(ptrHit);
}

getNPassedSuperLayers()

Index getNPassedSuperLayers

(

const CDCHit *

ptrHit

)

const

Returns the number of superlayers the track traversed until this hit.

Definition at line 142 of file CDCMCHitLookUp.cc.

{
  return CDCMCManager::getMCTrackStore().getNPassedSuperLayers(ptrHit);
}

getRecoPos3D()

const ROOT::Math::XYZVector getRecoPos3D

(

const CDCHit *

ptrHit

)

const

Getter for the three dimensional position of the primary ionisation for the hit.

Definition at line 85 of file CDCMCHitLookUp.cc.

{
  return CDCMCManager::getSimHitLookUp().getRecoPos3D(ptrHit);
}

getRefDriftLength()

float getRefDriftLength

(

const CDCHit *

ptrHit

)

const

Getter for the reference drift length in the two dimensional projection.

Definition at line 75 of file CDCMCHitLookUp.cc.

{
 
  if (not ptrHit) return NAN;
  CDCWireHit wireHit(ptrHit);
  return wireHit.getRefDriftLength();
 
}

getRefPos2D()

const ROOT::Math::XYVector getRefPos2D

(

const CDCHit *

ptrHit

)

const

Getter for the two dimensional reference position of the wire the given hit is located on - mainly for the python event display.

Definition at line 57 of file CDCMCHitLookUp.cc.

{
  if (not ptrHit) return ROOT::Math::XYVector();
  const CDCHit& hit = *ptrHit;
 
  const CDCWire* ptrWire = CDCWire::getInstance(hit);
 
  if (not ptrWire) {
    B2WARNING("Encountered CDCHit with wire ids that do not correspond to a valid wire in the CDC)");
    return ROOT::Math::XYVector();
  }
 
  const CDCWire& wire = *ptrWire;
  ROOT::Math::XYVector refPos2D =  wire.getRefPos2D();
  return refPos2D;
}

getRLInfo()

ERightLeft getRLInfo

(

const CDCHit *

ptrHit

)

const

Returns the true right left passage information.

Definition at line 110 of file CDCMCHitLookUp.cc.

{
  return CDCMCManager::getSimHitLookUp().getRLInfo(ptrHit);
}

getSimHit()

const Belle2::CDCSimHit * getSimHit

(

const CDCHit *

ptrHit

)

const

Getter for the CDCSimHit which is related to the CDCHit contained in the given wire hit.

Definition at line 45 of file CDCMCHitLookUp.cc.

{
  return CDCMCManager::getMCMap().getSimHit(ptrHit);
}

isBackground()

bool isBackground

(

const CDCHit *

ptrHit

)

const

Returns if this hit is considered background.

Definition at line 116 of file CDCMCHitLookUp.cc.

{
  const CDCSimHit* ptrSimHit = getSimHit(ptrHit);
  return ptrSimHit ? ptrSimHit->getBackgroundTag() != BackgroundMetaData::bg_none : false;
}

isReassignedSecondary()

bool isReassignedSecondary

(

const CDCHit *

ptrHit

)

const

Indicates if the hit was reassigned to a different mc particle because it was caused by a secondary.

Definition at line 97 of file CDCMCHitLookUp.cc.

{
  return CDCMCManager::getMCMap().isReassignedSecondary(ptrHit);
}

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

• tracking/trackFindingCDC/mclookup/include/CDCMCHitLookUp.h
• tracking/trackFindingCDC/mclookup/src/CDCMCHitLookUp.cc