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geant4/examples/basic/B2/B2a/src/TrackerSD.cc
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2025-12-05 08:54:02 +01:00

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//
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//
/// \file TrackerSD.cc
/// \brief Implementation of the B2::TrackerSD class
#include "TrackerSD.hh"
#include "G4HCofThisEvent.hh"
#include "G4SDManager.hh"
#include "G4Step.hh"
#include "G4ThreeVector.hh"
#include "G4ios.hh"
namespace B2
{
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
TrackerSD::TrackerSD(const G4String& name, const G4String& hitsCollectionName)
: G4VSensitiveDetector(name)
{
collectionName.insert(hitsCollectionName);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void TrackerSD::Initialize(G4HCofThisEvent* hce)
{
// 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);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4bool TrackerSD::ProcessHits(G4Step* step, G4TouchableHistory*)
{
// energy deposit
G4double edep = step->GetTotalEnergyDeposit();
if (edep == 0.) return false;
auto newHit = new TrackerHit();
newHit->SetTrackID(step->GetTrack()->GetTrackID());
newHit->SetChamberNb(step->GetPreStepPoint()->GetTouchableHandle()->GetCopyNumber());
newHit->SetEdep(edep);
newHit->SetPos(step->GetPostStepPoint()->GetPosition());
fHitsCollection->insert(newHit);
// newHit->Print();
return true;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void TrackerSD::EndOfEvent(G4HCofThisEvent*)
{
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();
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
} // namespace B2