TrackerSD.cc

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/// \file B2/B2a/src/TrackerSD.cc
/// \brief Implementation of the B2::TrackerSD class
 
#include "TrackerSD.hh"
#include "G4HCofThisEvent.hh"
#include "G4Step.hh"
#include "G4ThreeVector.hh"
#include "G4SDManager.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* aStep,
                                     G4TouchableHistory*)
{
  // 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;
}
 
//....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......
 
}