4 // Author: I.Hrivnacova
6 // Class TG4StepManager
7 // --------------------
8 // Geant4 implementation of the MonteCarlo interface methods
9 // for access to Geant4 at step level.
10 // The public methods that do not implement AliMC methods
11 // are commented as G4 specific
13 #ifndef TG4_STEP_MANAGER_H
14 #define TG4_STEP_MANAGER_H
17 #include "AliMCProcess.h"
19 #include "TG4StepStatus.h"
22 #include <G4ThreeVector.hh>
28 class G4SteppingManager;
29 class G4VPhysicalVolume;
38 // TG4StepManager(const TG4StepManager& right);
39 virtual ~TG4StepManager();
41 // static access method
42 static TG4StepManager* Instance();
49 void SetStep(G4Step* step, TG4StepStatus status); // G4 specific
50 void SetStep(G4Track* track, TG4StepStatus status); // G4 specific
51 void SetSteppingManager(G4SteppingManager* manager); // G4 specific
52 void SetMaxStep(Float_t step);
53 void SetMaxNStep(Int_t maxNofSteps); //??
54 void SetUserDecay(Int_t pdg); //NEW
57 G4Track* GetTrack() const; // G4 specific
58 G4Step* GetStep() const; // G4 specific
59 TG4StepStatus GetStepStatus() const; // G4 specific
62 G4VPhysicalVolume* GetCurrentPhysicalVolume() const; // G4 specific
63 Int_t CurrentVolID(Int_t& copyNo) const;
64 Int_t CurrentVolOffID(Int_t off, Int_t& copyNo) const;
65 const char* CurrentVolName() const;
66 const char* CurrentVolOffName(Int_t off) const;
67 Int_t CurrentMaterial(Float_t &a, Float_t &z, Float_t &dens,
68 Float_t &radl, Float_t &absl) const;
69 void Gmtod(Float_t* xm, Float_t* xd, Int_t iflag);
70 void Gdtom(Float_t* xd, Float_t* xm, Int_t iflag);
71 Float_t MaxStep() const;
72 Int_t GetMaxNStep() const; //??
73 Int_t GetMedium() const;
77 void TrackPosition(TLorentzVector& position) const;
78 void TrackMomentum(TLorentzVector& momentum) const;
79 void TrackVertexPosition(TLorentzVector& position) const;
80 void TrackVertexMomentum(TLorentzVector& momentum) const;
81 Float_t TrackStep() const;
82 Float_t TrackLength() const;
83 Float_t TrackTime() const;
86 Int_t TrackPid() const;
87 Float_t TrackCharge() const;
88 Float_t TrackMass() const;
92 Bool_t IsTrackInside() const;
93 Bool_t IsTrackEntering() const;
94 Bool_t IsTrackExiting() const;
95 Bool_t IsTrackOut() const;
96 Bool_t IsTrackDisappeared() const;
97 Bool_t IsTrackStop() const;
98 Bool_t IsTrackAlive() const;
99 Bool_t IsNewTrack() const;
102 Int_t NSecondaries() const;
103 void GetSecondary(Int_t isec, Int_t& particleId,
104 TLorentzVector& position, TLorentzVector& momentum);
105 AliMCProcess ProdProcess(Int_t isec) const;
106 Int_t StepProcesses(TArrayI &proc) const;
109 TG4StepManager(const TG4StepManager& right);
112 TG4StepManager& operator=(const TG4StepManager& right);
116 void CheckTrack() const;
117 void CheckStep(const G4String& method) const;
118 void CheckSteppingManager() const;
119 void SetTLorentzVector(G4ThreeVector xyz, G4double t,
120 TLorentzVector& lv) const;
121 G4VPhysicalVolume* GetCurrentOffPhysicalVolume(G4int off) const;
123 // static data members
124 static TG4StepManager* fgInstance; //this instance
127 G4Track* fTrack; //current track
128 G4Step* fStep; //current step
129 TG4StepStatus fStepStatus; //step status that decides whether
130 //track properties will be returned
131 //from PreStepPoint or PostStepPoint
132 G4SteppingManager* fSteppingManager; //G4SteppingManager
137 inline TG4StepManager* TG4StepManager::Instance()
138 { return fgInstance; }
140 inline void TG4StepManager::SetStep(G4Step* step, TG4StepStatus status)
141 { fTrack = step->GetTrack(); fStep = step; fStepStatus = status; }
143 inline void TG4StepManager::SetStep(G4Track* track, TG4StepStatus status)
144 { fTrack = track; fStep = 0; fStepStatus = status; }
146 inline void TG4StepManager::SetSteppingManager(G4SteppingManager* manager)
147 { fSteppingManager = manager; }
149 inline G4Track* TG4StepManager::GetTrack() const
152 inline G4Step* TG4StepManager::GetStep() const
155 inline TG4StepStatus TG4StepManager::GetStepStatus() const
156 { return fStepStatus; }
158 #endif //TG4_STEP_MANAGER_H