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//
// $Id: SCTrackerSD.cc,v 1.2 2006/06/29 18:55:12 gunter Exp $
// GEANT4 tag $Name: geant4-09-04-beta-cand-01 $
//
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#include "SCTrackerSD.hh"
#include "G4HCofThisEvent.hh"
#include "G4Step.hh"
#include "G4ThreeVector.hh"
#include "G4SDManager.hh"
#include "G4ios.hh"

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SCTrackerSD::SCTrackerSD(G4String name)
:G4VSensitiveDetector(name)
{
  G4String HCname;
  collectionName.insert(HCname="trackerCollection");
}

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SCTrackerSD::~SCTrackerSD(){ }

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void SCTrackerSD::Initialize(G4HCofThisEvent* HCE)
{
  trackerCollection = new SCTrackerHitsCollection
                          (SensitiveDetectorName,collectionName[0]); 
  static G4int HCID = -1;
  if(HCID<0)
  { HCID = G4SDManager::GetSDMpointer()->GetCollectionID(collectionName[0]); }
  HCE->AddHitsCollection( HCID, trackerCollection ); 
}

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

  if(edep==0.) return false;

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

  return true;
}

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void SCTrackerSD::EndOfEvent(G4HCofThisEvent*)
{
  if (verboseLevel>0) { 
     G4int NbHits = trackerCollection->entries();
     G4cout << "\n-------->Hits Collection: in this event they are " << NbHits 
            << " hits in the tracker chambers: " << G4endl;
     for (G4int i=0;i<NbHits;i++) (*trackerCollection)[i]->Print();
    } 
}

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