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geant4/examples/basic/B4/B4c/src/B4cCalorimeterSD.cc
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2019-12-06 15:12:28 +01:00

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//
// ********************************************************************
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// * *
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//
/// \file B4cCalorimeterSD.cc
/// \brief Implementation of the B4cCalorimeterSD class
#include "B4cCalorimeterSD.hh"
#include "G4HCofThisEvent.hh"
#include "G4Step.hh"
#include "G4ThreeVector.hh"
#include "G4SDManager.hh"
#include "G4ios.hh"
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B4cCalorimeterSD::B4cCalorimeterSD(
const G4String& name,
const G4String& hitsCollectionName,
G4int nofCells)
: G4VSensitiveDetector(name),
fHitsCollection(nullptr),
fNofCells(nofCells)
{
collectionName.insert(hitsCollectionName);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
B4cCalorimeterSD::~B4cCalorimeterSD()
{
}
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void B4cCalorimeterSD::Initialize(G4HCofThisEvent* hce)
{
// Create hits collection
fHitsCollection
= new B4cCalorHitsCollection(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 B4cCalorHit());
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4bool B4cCalorimeterSD::ProcessHits(G4Step* step,
G4TouchableHistory*)
{
// 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("B4cCalorimeterSD::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;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void B4cCalorimeterSD::EndOfEvent(G4HCofThisEvent*)
{
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();
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......