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// $Id: B2TrackerSD.hh 66536 2012-12-19 14:32:36Z ihrivnac $
//
/// \file B2TrackerSD.hh
/// \brief Definition of the B2TrackerSD class

#ifndef B2TrackerSD_h
#define B2TrackerSD_h 1

#include "G4VSensitiveDetector.hh"

#include "B2TrackerHit.hh"

#include <vector>

class G4Step;
class G4HCofThisEvent;

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/// B2Tracker sensitive detector class
///
/// The hits are accounted in hits in ProcessHits() function which is called
/// by Geant4 kernel at each step. A hit is created with each step with non zero
/// energy deposit.

class B2TrackerSD : public G4VSensitiveDetector
{
  public:
    B2TrackerSD(const G4String& name, 
                const G4String& hitsCollectionName);
    virtual ~B2TrackerSD();
  
    // methods from base class
    virtual void   Initialize(G4HCofThisEvent* hitCollection);
    virtual G4bool ProcessHits(G4Step* step, G4TouchableHistory* history);
    virtual void   EndOfEvent(G4HCofThisEvent* hitCollection);

  private:
    B2TrackerHitsCollection* fHitsCollection;
};

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#endif