MDTSensitiveDetector.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/

 
#ifndef MDTSENSITIVEDETECTOR_H
#define MDTSENSITIVEDETECTOR_H
 
#include "G4VSensitiveDetector.hh"
#include "MuonSimEvent/MDTSimHitCollection.h"
#include <string>
#include <gtest/gtest_prod.h>
 
class AtlasG4EventUserInfo;
class G4TouchableHistory;
class MdtHitIdHelper;
class MDTSimHit;
 
class MDTSensitiveDetector : public G4VSensitiveDetector {
FRIEND_TEST( MDTSensitiveDetectortest, Initialize );
FRIEND_TEST( MDTSensitiveDetectortest, ProcessHits );
FRIEND_TEST( MDTSensitiveDetectortest, GetIdentifier );    
 
public:
    MDTSensitiveDetector(const std::string& name, const std::string& hitCollectionName, const unsigned int nTubesMax);
    
    void   Initialize(G4HCofThisEvent* HCE) override final;
    G4bool ProcessHits(G4Step* aStep, G4TouchableHistory* ROhist) override final;
    
private:
    int  GetIdentifier(const G4TouchableHistory* touchHist);
                 
    std::string m_hitCollectionName;
    MDTSimHitCollection* m_MDTHitColl{nullptr};
    AtlasG4EventUserInfo* m_g4UserEventInfo{nullptr};
    const MdtHitIdHelper*      m_muonHelper;
 
    double                     m_driftRadius;
    double                     m_globalTime;
    Amg::Vector3D              m_localPosition;
    
    double m_DEFAULT_TUBE_RADIUS;
 
};
 
#endif