ExP01TrackerSD.cc

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// $Id: ExP01TrackerSD.cc 71111 2013-06-11 10:51:02Z gcosmo $
//
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#include "ExP01TrackerSD.hh"
#include "G4HCofThisEvent.hh"
#include "G4Step.hh"
#include "G4ThreeVector.hh"
#include "G4SDManager.hh"
#include "G4ios.hh"

#include "RootIO.hh"

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ExP01TrackerSD::ExP01TrackerSD(G4String name)
  :G4VSensitiveDetector(name), fTrackerCollection(0), fHCID(0)
{
  G4String HCname = name + "_HC";
  collectionName.insert(HCname);
  G4cout << collectionName.size() << "   CalorimeterSD name:  " << name << " collection Name: " 
         << HCname << G4endl;
  fHCID = -1;
}

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ExP01TrackerSD::~ExP01TrackerSD()
{ 
  RootIO::GetInstance()->Close();
}

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void ExP01TrackerSD::Initialize(G4HCofThisEvent* HCE)
{
  fTrackerCollection = new ExP01TrackerHitsCollection
                          (SensitiveDetectorName,collectionName[0]); 
  if (fHCID < 0) {
    G4cout << "CalorimeterSD::Initialize:  " << SensitiveDetectorName << "   " 
           << collectionName[0] << G4endl;
    fHCID = G4SDManager::GetSDMpointer()->GetCollectionID(collectionName[0]);
    
  }
  HCE->AddHitsCollection(fHCID, fTrackerCollection);
}

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G4bool ExP01TrackerSD::ProcessHits(G4Step* aStep,G4TouchableHistory*)
{
  G4double edep = aStep->GetTotalEnergyDeposit();

  if(edep==0.) return false;

  ExP01TrackerHit* newHit = new ExP01TrackerHit();
  newHit->SetTrackID  (aStep->GetTrack()->GetTrackID());
  newHit->SetChamberNb(aStep->GetPreStepPoint()->GetTouchable()
                                               ->GetReplicaNumber());
  newHit->SetEdep     (edep);
  newHit->SetPos      (aStep->GetPostStepPoint()->GetPosition());
  fTrackerCollection->insert( newHit );
  
  //newHit->Print();
  //newHit->Draw();

  return true;
}

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void ExP01TrackerSD::EndOfEvent(G4HCofThisEvent*)
{
  // storing the hits in ROOT file
  G4int NbHits = fTrackerCollection->entries();
  std::vector<ExP01TrackerHit*> hitsVector;

  { 
    G4cout << "\n-------->Storing hits in the ROOT file: in this event there are " << NbHits 
           << " hits in the tracker chambers: " << G4endl;
    for (G4int i=0;i<NbHits;i++) (*fTrackerCollection)[i]->Print();
  } 

  
  for (G4int i=0;i<NbHits;i++) 
    hitsVector.push_back((*fTrackerCollection)[i]);
  
  RootIO::GetInstance()->Write(&hitsVector);

  //
}

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