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1 //
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25 //
26 // G4AdjointTrackingAction
27 //
28 // Class description:
29 //
30 // This class represents actions taken place at the start/end point
31 // of processing one track during an adjoint simulation
32
33 // Author: L. Desorgher, SpaceIT GmbH
34 // Contract: ESA contract 21435/08/NL/AT
35 // Customer: ESA/ESTEC
36 // --------------------------------------------------------------------
37 #ifndef G4AdjointTrackingAction_hh
38 #define G4AdjointTrackingAction_hh 1
39
40 #include "G4ThreeVector.hh"
41 #include "G4UserTrackingAction.hh"
42 #include "globals.hh"
43
44 #include <vector>
45
46 class G4AdjointSteppingAction;
47 class G4Track;
48 class G4ParticleDefinition;
49
50 class G4AdjointTrackingAction : public G4UserTrackingAction
51 {
52 public:
53 G4AdjointTrackingAction(G4AdjointSteppingAction* anAction);
54 ~G4AdjointTrackingAction() override = default;
55
56 void PreUserTrackingAction(const G4Track*) override;
57 void PostUserTrackingAction(const G4Track*) override;
58 void RegisterAtEndOfAdjointTrack();
59 void ClearEndOfAdjointTrackInfoVectors();
60
61 inline void SetUserForwardTrackingAction(G4UserTrackingAction* anAction)
62 {
63 theUserFwdTrackingAction = anAction;
64 }
65 inline G4ThreeVector GetPositionAtEndOfLastAdjointTrack(std::size_t i = 0)
66 {
67 return last_pos_vec[i];
68 }
69 inline G4ThreeVector GetDirectionAtEndOfLastAdjointTrack(std::size_t i = 0)
70 {
71 return last_direction_vec[i];
72 }
73 inline G4double GetEkinAtEndOfLastAdjointTrack(std::size_t i = 0) { return last_ekin_vec[i]; }
74 inline G4double GetEkinNucAtEndOfLastAdjointTrack(std::size_t i = 0)
75 {
76 return last_ekin_nuc_vec[i];
77 }
78 inline G4double GetWeightAtEndOfLastAdjointTrack(std::size_t i = 0) { return last_weight_vec[i]; }
79 inline G4double GetCosthAtEndOfLastAdjointTrack(std::size_t i = 0) { return last_cos_th_vec[i]; }
80 inline const G4String& GetFwdParticleNameAtEndOfLastAdjointTrack() { return last_fwd_part_name; }
81 inline G4int GetFwdParticlePDGEncodingAtEndOfLastAdjointTrack(std::size_t i = 0)
82 {
83 return last_fwd_part_PDGEncoding_vec[i];
84 }
85 inline G4bool GetIsAdjointTrackingMode() { return is_adjoint_tracking_mode; }
86 inline G4int GetLastFwdParticleIndex(std::size_t i = 0) { return last_fwd_part_index_vec[i]; }
87 inline std::size_t GetNbOfAdointTracksReachingTheExternalSurface() { return last_pos_vec.size(); }
88 inline void SetListOfPrimaryFwdParticles(std::vector<G4ParticleDefinition*>* aListOfParticles)
89 {
90 pListOfPrimaryFwdParticles = aListOfParticles;
91 }
92
93 private:
94 G4AdjointSteppingAction* theAdjointSteppingAction = nullptr;
95 G4UserTrackingAction* theUserFwdTrackingAction = nullptr;
96 G4bool is_adjoint_tracking_mode = false;
97
98 // Adjoint particle information on the external surface
99 // ----------------------------------------------------
100 G4ThreeVector last_pos;
101 G4ThreeVector last_direction;
102 G4double last_ekin = 0.0, last_ekin_nuc = 0.0;
103 // last_ekin_nuc=last_ekin/nuc, nuc is 1 if not a nucleus
104 G4double last_cos_th = 0.0;
105 G4String last_fwd_part_name;
106 G4int last_fwd_part_PDGEncoding = 0;
107 G4double last_weight = 0.0;
108 G4int last_fwd_part_index = 0;
109 std::vector<G4ParticleDefinition*>* pListOfPrimaryFwdParticles = nullptr;
110
111 std::vector<G4ThreeVector> last_pos_vec;
112 std::vector<G4ThreeVector> last_direction_vec;
113 std::vector<G4double> last_ekin_vec;
114 std::vector<G4double> last_ekin_nuc_vec;
115 std::vector<G4double> last_cos_th_vec;
116 std::vector<G4double> last_weight_vec;
117 std::vector<G4int> last_fwd_part_PDGEncoding_vec;
118 std::vector<G4int> last_fwd_part_index_vec;
119 };
120
121 #endif
122