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25 //
26 /// \file TrackingAction.hh
27 /// \brief Definition of the TrackingAction class
28 //
29 //
30
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33
34 #ifndef TrackingAction_h
35 #define TrackingAction_h 1
36
37 #include "G4UserTrackingAction.hh"
38 #include "globals.hh"
39
40 #include <array>
41
42 class Run;
43
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45
46 class TrackingAction : public G4UserTrackingAction
47 {
48 // We are using this class to monitor the average multiplicity, the average
49 // kinetic energy, and the average total energy flow (i.e. sum of the
50 // kinetic energies) of different particle types as they are produced
51 // inside the calorimeter.
52 // The aim is then to try to correlate some changes in these (more primitive)
53 // quantities with the observed changes in the (more indirect and complex)
54 // particle fluences.
55 public:
56 TrackingAction();
57 ~TrackingAction() override = default;
58 void PreUserTrackingAction(const G4Track*) override;
59 void PostUserTrackingAction(const G4Track*) override;
60
61 void Initialize();
62 // This method is called by RunAction::BeginOfRunAction for the
63 // initialization of the tracking-action at the beginning of each Run.
64
65 void SetRunPointer(Run* inputValue = nullptr) { fRunPtr = inputValue; }
66 // This method is called by RunAction::BeginOfRunAction for providing to the
67 // tracking-action the pointer to the run object at the beginning of each Run.
68 // This pointer is then used to pass the information collected by the tracking-action
69 // to the run object.
70
71 static const G4int fkNumberScoringVolumes = 1; // calorimeter
72 static const G4int fkNumberKinematicRegions = 3; // all, below 20 MeV, above 20 MeV
73 static const G4int fkNumberParticleTypes = 11; // all, e, gamma, mu, nu, pi, n, p, ions,
74 // other-mesons, other-baryons
75 static const G4int fkNumberCombinations =
76 fkNumberScoringVolumes * fkNumberKinematicRegions * fkNumberParticleTypes;
77 static const std::array<G4String, fkNumberScoringVolumes> fkArrayScoringVolumeNames;
78 static const std::array<G4String, fkNumberKinematicRegions> fkArrayKinematicRegionNames;
79 static const std::array<G4String, fkNumberParticleTypes> fkArrayParticleTypeNames;
80 static G4int GetIndex(const G4int iScoringVolume, const G4int iKinematicRegion,
81 const G4int iParticleType);
82
83 private:
84 Run* fRunPtr; // Pointer to the Run object
85
86 std::array<G4long, fkNumberCombinations> fArrayMultiplicities;
87 std::array<G4double, fkNumberCombinations> fArraySumKineticEnergies;
88 // Keep record of the fkNumber of particles and their kinetic energy at production,
89 // according to the particle type and their kinetic energy range (below/above 20 MeV).
90 };
91
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93
94 #endif
95