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#ifndef Test2PhantomSD_h
#define Test2PhantomSD_h 1

#include "G4VSensitiveDetector.hh"
#include "Test2PhantomHit.hh"
#include "G4StepStatus.hh"
#include "G4Track.hh"
#include "G4VSolid.hh"
#include "G4VPhysicalVolume.hh"
#include "G4VPVParameterisation.hh"
#include "G4UnitsTable.hh"
#include "G4GeometryTolerance.hh"

class G4Step;
class G4HCofThisEvent;
class G4TouchableHistory;
class G4VSolid;

class Test2PhantomSD : public G4VSensitiveDetector {

public:
  Test2PhantomSD(G4String name, G4int segment[3]);
  ~Test2PhantomSD();

  void Initialize(G4HCofThisEvent * HCE);
  G4bool ProcessHits(G4Step * aStep, G4TouchableHistory * ROhist);
  void EndOfEvent(G4HCofThisEvent * HCE);
  void clear();
  void DrawAll();
  void PrintAll();

private:
  G4VSolid* GetSolid(G4Step* aStep);
  G4double GetVolume(G4Step* aStep);
  G4double GetArea(G4Step* aStep);
  G4int IsSelectedSurface(G4Step* aStep);
  G4bool IsPassed(G4Step* aStep);
  G4double GetAngleFactor(G4Step* aStep,G4int dirFlag);
  G4bool IsSecondary(G4Step* aStep);
  G4bool IsEnterOrFirstStep(G4Step* aStep);  
  G4bool IsExit(G4Step* aStep);

private:
  Test2PhantomHitsCollection * fPhantomCollection;
  G4int nSegment[3];

  G4int fCurrentTrkID;
  G4double fCellTrack;

};

#endif