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geant4/examples/basic/B5/src/EmCalorimeterSD.cc
2025-12-05 08:54:02 +01:00

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3.5 KiB
C++

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/// \file EmCalorimeterSD.cc
/// \brief Implementation of the B5::EmCalorimeterSD class
#include "EmCalorimeterSD.hh"
#include "Constants.hh"
#include "EmCalorimeterHit.hh"
#include "G4HCofThisEvent.hh"
#include "G4SDManager.hh"
#include "G4Step.hh"
namespace B5
{
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
EmCalorimeterSD::EmCalorimeterSD(G4String name) : G4VSensitiveDetector(name)
{
collectionName.insert("EMcalorimeterColl");
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void EmCalorimeterSD::Initialize(G4HCofThisEvent* hce)
{
fHitsCollection = new EmCalorimeterHitsCollection(SensitiveDetectorName, collectionName[0]);
if (fHCID < 0) {
fHCID = G4SDManager::GetSDMpointer()->GetCollectionID(fHitsCollection);
}
hce->AddHitsCollection(fHCID, fHitsCollection);
// fill calorimeter hits with zero energy deposition
for (auto i = 0; i < kNofEmCells; i++) {
fHitsCollection->insert(new EmCalorimeterHit(i));
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4bool EmCalorimeterSD::ProcessHits(G4Step* step, G4TouchableHistory*)
{
auto edep = step->GetTotalEnergyDeposit();
if (edep == 0.) return true;
auto touchable = step->GetPreStepPoint()->GetTouchable();
auto physical = touchable->GetVolume();
auto copyNo = physical->GetCopyNo();
auto hit = (*fHitsCollection)[copyNo];
// check if it is first touch
if (!(hit->GetLogV())) {
// fill volume information
hit->SetLogV(physical->GetLogicalVolume());
G4AffineTransform transform = touchable->GetHistory()->GetTopTransform();
transform.Invert();
hit->SetRot(transform.NetRotation());
hit->SetPos(transform.NetTranslation());
}
// add energy deposition
hit->AddEdep(edep);
return true;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
} // namespace B5