Drift chamber sensitive detector. More...

#include <Doxymodules_basic.h>

Inheritance diagram for B5::DriftChamberSD:

Public Member Functions
	DriftChamberSD (G4String name)

	~DriftChamberSD () override=default

void	Initialize (G4HCofThisEvent *HCE) override

G4bool	ProcessHits (G4Step aStep, G4TouchableHistory ROhist) override

Private Attributes
DriftChamberHitsCollection *	fHitsCollection = nullptr

G4int	fHCID = -1

Detailed Description

Drift chamber sensitive detector.

Definition at line 188 of file Doxymodules_basic.h.

Constructor & Destructor Documentation

◆ DriftChamberSD()

B5::DriftChamberSD::DriftChamberSD ( G4String name )

Definition at line 45 of file DriftChamberSD.cc.

: G4VSensitiveDetector(name)
{
  collectionName.insert("driftChamberColl");
}

◆ ~DriftChamberSD()

B5::DriftChamberSD::~DriftChamberSD ( )

overridedefault

Member Function Documentation

◆ Initialize()

void B5::DriftChamberSD::Initialize ( G4HCofThisEvent * HCE )

override

Definition at line 53 of file DriftChamberSD.cc.

{
  fHitsCollection
    = new DriftChamberHitsCollection(SensitiveDetectorName,collectionName[0]);
 
  if (fHCID<0) {
     fHCID = G4SDManager::GetSDMpointer()->GetCollectionID(fHitsCollection);
  }
  hce->AddHitsCollection(fHCID,fHitsCollection);
}

◆ ProcessHits()

G4bool B5::DriftChamberSD::ProcessHits	(	G4Step *	aStep,
		G4TouchableHistory *	ROhist
	)

override

Definition at line 66 of file DriftChamberSD.cc.

{
  auto charge = step->GetTrack()->GetDefinition()->GetPDGCharge();
  if (charge==0.) return true;
 
  auto preStepPoint = step->GetPreStepPoint();
 
  auto touchable = step->GetPreStepPoint()->GetTouchable();
  auto motherPhysical = touchable->GetVolume(1); // mother
  auto copyNo = motherPhysical->GetCopyNo();
 
  auto worldPos = preStepPoint->GetPosition();
  auto localPos
    = touchable->GetHistory()->GetTopTransform().TransformPoint(worldPos);
 
  auto hit = new DriftChamberHit(copyNo);
  hit->SetWorldPos(worldPos);
  hit->SetLocalPos(localPos);
  hit->SetTime(preStepPoint->GetGlobalTime());
 
  fHitsCollection->insert(hit);
 
  return true;
}

Member Data Documentation

◆ fHitsCollection

DriftChamberHitsCollection* B5::DriftChamberSD::fHitsCollection = nullptr

private

Definition at line 56 of file DriftChamberSD.hh.

◆ fHCID

G4int B5::DriftChamberSD::fHCID = -1