B4c::CalorimeterSD Class Reference

Calorimeter sensitive detector class. More...

#include <Doxymodules_basic.h>

Inheritance diagram for B4c::CalorimeterSD:

Public Member Functions
	CalorimeterSD (const G4String &name, const G4String &hitsCollectionName, G4int nofCells)
	~CalorimeterSD () override=default
void	Initialize (G4HCofThisEvent *hitCollection) override
G4bool	ProcessHits (G4Step *step, G4TouchableHistory *history) override
void	EndOfEvent (G4HCofThisEvent *hitCollection) override

Private Attributes
CalorHitsCollection *	fHitsCollection = nullptr
G4int	fNofCells = 0

Detailed Description

Calorimeter sensitive detector class.

In Initialize(), it creates one hit for each calorimeter layer and one more hit for accounting the total quantities in all layers.

The values are accounted in hits in ProcessHits() function which is called by Geant4 kernel at each step.

Definition at line 158 of file Doxymodules_basic.h.

Constructor & Destructor Documentation

CalorimeterSD()

B4c::CalorimeterSD::CalorimeterSD	(	const G4String &	name,
		const G4String &	hitsCollectionName,
		G4int	nofCells
	)

Definition at line 42 of file CalorimeterSD.cc.

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

~CalorimeterSD()

B4c::CalorimeterSD::~CalorimeterSD ( )

overridedefault

Member Function Documentation

Initialize()

void B4c::CalorimeterSD::Initialize ( G4HCofThisEvent *  hitCollection )

override

Definition at line 53 of file CalorimeterSD.cc.

{
  // Create hits collection
  fHitsCollection
    = new CalorHitsCollection(SensitiveDetectorName, collectionName[0]);
 
  // Add this collection in hce
  auto hcID
    = G4SDManager::GetSDMpointer()->GetCollectionID(collectionName[0]);
  hce->AddHitsCollection( hcID, fHitsCollection );
 
  // Create hits
  // fNofCells for cells + one more for total sums
  for (G4int i=0; i<fNofCells+1; i++ ) {
    fHitsCollection->insert(new CalorHit());
  }
}

ProcessHits()

G4bool B4c::CalorimeterSD::ProcessHits ( G4Step *  step, G4TouchableHistory *  history  )

override

Definition at line 73 of file CalorimeterSD.cc.

{
  // energy deposit
  auto edep = step->GetTotalEnergyDeposit();
 
  // step length
  G4double stepLength = 0.;
  if ( step->GetTrack()->GetDefinition()->GetPDGCharge() != 0. ) {
    stepLength = step->GetStepLength();
  }
 
  if ( edep==0. && stepLength == 0. ) return false;
 
  auto touchable = (step->GetPreStepPoint()->GetTouchable());
 
  // Get calorimeter cell id
  auto layerNumber = touchable->GetReplicaNumber(1);
 
  // Get hit accounting data for this cell
  auto hit = (*fHitsCollection)[layerNumber];
  if ( ! hit ) {
    G4ExceptionDescription msg;
    msg << "Cannot access hit " << layerNumber;
    G4Exception("CalorimeterSD::ProcessHits()",
      "MyCode0004", FatalException, msg);
  }
 
  // Get hit for total accounting
  auto hitTotal
    = (*fHitsCollection)[fHitsCollection->entries()-1];
 
  // Add values
  hit->Add(edep, stepLength);
  hitTotal->Add(edep, stepLength);
 
  return true;
}

EndOfEvent()

void B4c::CalorimeterSD::EndOfEvent ( G4HCofThisEvent *  hitCollection )

override

Definition at line 114 of file CalorimeterSD.cc.

{
  if ( verboseLevel>1 ) {
     auto 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

CalorHitsCollection* B4c::CalorimeterSD::fHitsCollection = nullptr

private

Definition at line 67 of file CalorimeterSD.hh.

fNofCells

G4int B4c::CalorimeterSD::fNofCells = 0

private

Definition at line 68 of file CalorimeterSD.hh.

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

• .doxygen/Doxymodules_basic.h
• basic/B4/B4c/include/CalorimeterSD.hh
• basic/B4/B4c/src/CalorimeterSD.cc