| Geant4 Cross Reference |
1 //
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25 //
26 // G4ParticleChangeForTransport
27 //
28 // Class description:
29 //
30 // Concrete class for ParticleChange for transportation.
31
32 // Author: Hisaya Kurashige, 10 May 1998
33 // --------------------------------------------------------------------
34 #ifndef G4ParticleChangeForTransport_hh
35 #define G4ParticleChangeForTransport_hh 1
36
37 #include "globals.hh"
38 #include "G4ios.hh"
39 #include "G4TouchableHandle.hh"
40 #include "G4ParticleChange.hh"
41
42 class G4MaterialCutsCouple;
43 class G4VSensitiveDetector;
44
45 class G4ParticleChangeForTransport final : public G4ParticleChange
46 {
47 public:
48
49 G4ParticleChangeForTransport();
50
51 ~G4ParticleChangeForTransport() override = default;
52
53 G4ParticleChangeForTransport(const G4ParticleChangeForTransport& right) = delete;
54 G4ParticleChangeForTransport& operator=(const G4ParticleChangeForTransport& right) = delete;
55
56 // --- the following methods are for updating G4Step ---
57 // Return the pointer to the G4Step after updating the Step information
58 // by using final state information of the track given by a physics process
59
60 G4Step* UpdateStepForAlongStep(G4Step* Step) final;
61 G4Step* UpdateStepForAtRest(G4Step* Step) final;
62 G4Step* UpdateStepForPostStep(G4Step* Step) final;
63 // A physics process gives the final state of the particle
64 // based on information of G4Track (or equivalently the PreStepPoint)
65
66 void Initialize(const G4Track&) final;
67 // Initialize all properties by using G4Track information
68
69 // --- methods to keep information of the final state ---
70 // IMPORTANT NOTE: despite the name, what this class stores/returns
71 // through its methods, are the "FINAL" values of the Position, Momentum, etc.
72
73 inline const G4TouchableHandle& GetTouchableHandle() const;
74 inline void SetTouchableHandle(const G4TouchableHandle& fTouchable);
75 // Get/Set the touchable of the current particle.
76 // Note: Touchable in PostStepPoint will be updated only after
77 // PostStepDoIt
78
79 inline G4Material* GetMaterialInTouchable() const;
80 inline void SetMaterialInTouchable(G4Material* fMaterial);
81 // Get/Propose the material in the touchable of the current particle
82
83 inline const G4MaterialCutsCouple* GetMaterialCutsCoupleInTouchable() const;
84 inline void SetMaterialCutsCoupleInTouchable(
85 const G4MaterialCutsCouple* fMaterialCutsCouple);
86 // Get/Set the materialCutsCouple in the touchable of the current
87 // particle
88
89 inline G4VSensitiveDetector* GetSensitiveDetectorInTouchable() const;
90 inline void SetSensitiveDetectorInTouchable(
91 G4VSensitiveDetector* fSensitiveDetector);
92 // Get/Set the sensitive detector in the touchable of the current particle
93
94 inline G4bool GetMomentumChanged() const;
95 inline void SetMomentumChanged(G4bool b);
96
97 inline void
98 SetPointerToVectorOfAuxiliaryPoints(std::vector<G4ThreeVector>* vec);
99 inline std::vector<G4ThreeVector>*
100 GetPointerToVectorOfAuxiliaryPoints() const;
101 // Smooth representation of curved trajectories
102
103 void DumpInfo() const final;
104
105 private:
106
107 G4TouchableHandle theTouchableHandle;
108 // The changed touchable of a given particle
109
110 G4bool isMomentumChanged = false;
111 // The flag which is set if momentum is changed in current step
112
113 G4Material* theMaterialChange = nullptr;
114
115 const G4MaterialCutsCouple* theMaterialCutsCoupleChange = nullptr;
116
117 G4VSensitiveDetector* theSensitiveDetectorChange = nullptr;
118 // The material (and MaterialCutsCouple) where given track
119 // currently locates
120
121 std::vector<G4ThreeVector>* fpVectorOfAuxiliaryPointsPointer = nullptr;
122 };
123
124 #include "G4ParticleChangeForTransport.icc"
125
126 #endif
127