B2::TrackerSD Class Reference

Tracker sensitive detector class. More...

#include <Doxymodules_basic.h>

Inheritance diagram for B2::TrackerSD:

Public Member Functions
	TrackerSD (const G4String &name, const G4String &hitsCollectionName)
	~TrackerSD () override=default
void	Initialize (G4HCofThisEvent *hitCollection) override
G4bool	ProcessHits (G4Step *step, G4TouchableHistory *history) override
void	EndOfEvent (G4HCofThisEvent *hitCollection) override

Private Attributes
TrackerHitsCollection *	fHitsCollection = nullptr

Detailed Description

Tracker sensitive detector class.

The hits are accounted in hits in ProcessHits() function which is called by Geant4 kernel at each step. A hit is created with each step with non zero energy deposit.

Definition at line 47 of file Doxymodules_basic.h.

Constructor & Destructor Documentation

TrackerSD()

B2::TrackerSD::TrackerSD	(	const G4String &	name,
		const G4String &	hitsCollectionName
	)

Definition at line 42 of file TrackerSD.cc.

 : G4VSensitiveDetector(name)
{
  collectionName.insert(hitsCollectionName);
}

~TrackerSD()

B2::TrackerSD::~TrackerSD ( )

overridedefault

Member Function Documentation

Initialize()

void B2::TrackerSD::Initialize ( G4HCofThisEvent *  hitCollection )

override

Definition at line 51 of file TrackerSD.cc.

{
  // Create hits collection
 
  fHitsCollection
    = new TrackerHitsCollection(SensitiveDetectorName, collectionName[0]);
 
  // Add this collection in hce
 
  G4int hcID
    = G4SDManager::GetSDMpointer()->GetCollectionID(collectionName[0]);
  hce->AddHitsCollection( hcID, fHitsCollection );
}

ProcessHits()

G4bool B2::TrackerSD::ProcessHits ( G4Step *  step, G4TouchableHistory *  history  )

override

Definition at line 67 of file TrackerSD.cc.

{
  // energy deposit
  G4double edep = aStep->GetTotalEnergyDeposit();
 
  if (edep==0.) return false;
 
  auto newHit = new TrackerHit();
 
  newHit->SetTrackID  (aStep->GetTrack()->GetTrackID());
  newHit->SetChamberNb(aStep->GetPreStepPoint()->GetTouchableHandle()
                                               ->GetCopyNumber());
  newHit->SetEdep(edep);
  newHit->SetPos (aStep->GetPostStepPoint()->GetPosition());
 
  fHitsCollection->insert( newHit );
 
  //newHit->Print();
 
  return true;
}

EndOfEvent()

void B2::TrackerSD::EndOfEvent ( G4HCofThisEvent *  hitCollection )

override

Definition at line 92 of file TrackerSD.cc.

{
  if ( verboseLevel>1 ) {
     std::size_t nofHits = fHitsCollection->entries();
     G4cout << G4endl
            << "-------->Hits Collection: in this event they are " << nofHits
            << " hits in the tracker chambers: " << G4endl;
     for ( std::size_t i=0; i<nofHits; i++ ) (*fHitsCollection)[i]->Print();
  }
}

Member Data Documentation

fHitsCollection

TrackerHitsCollection* B2::TrackerSD::fHitsCollection = nullptr

private

Definition at line 64 of file TrackerSD.hh.

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

• .doxygen/Doxymodules_basic.h
• basic/B2/B2a/include/TrackerSD.hh
• basic/B2/B2a/src/TrackerSD.cc