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G4ErrorPropagator.hh
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27 // $Id: G4ErrorPropagator.hh 68050 2013-03-13 14:36:39Z gcosmo $
28 //
29 //
30 // Class Description:
31 //
32 // Manages the propagation of tracks. Creates a G4Track, asks to
33 // propagate it and takes also care to propagate the errors.
34 // Stops the track when GEANT4 stops it or a G4ErrorTarget is reached.
35 
36 // History:
37 // - Created: P. Arce
38 // --------------------------------------------------------------------
39 
40 #ifndef G4ErrorPropagator_hh
41 #define G4ErrorPropagator_hh
42 
43 #include "globals.hh"
44 #include "G4ErrorPropagatorData.hh"
45 #include "G4SteppingManager.hh"
46 
47 class G4eErrorMatrix;
48 class G4Track;
49 class G4ErrorTrajState;
51 class G4ErrorTarget;
52 #include "globals.hh"
53 
55 {
56  public: // with description
57 
60 
61  G4Track* InitG4Track( G4ErrorTrajState& initialTS );
62  // Creates a G4Track from a G4ErrorTrajState
63 
64  G4int Propagate( G4ErrorTrajState* currentTS,
65  const G4ErrorTarget* target,
67  // Steers the GEANT4 propagation of a track:
68  // the particle will be extrapolated until the Target is reached.
69  // The final G4Track parameters will be passed to theFinalTrajState
70 
72  // Propagates a G4Track by one step, and then returns control to the user
73 
74  G4int MakeOneStep( G4ErrorFreeTrajState* currentTS_FREE );
75  // Advance one step
76 
78  // Creates theCurrentTS_FREE (transforms the user G4ErrorSurfaceTrajState
79  // or copies the G4ErrorFreeTrajState)
80 
81  void GetFinalTrajState( G4ErrorTrajState* currentTS, G4ErrorFreeTrajState* currentTS_FREE, const G4ErrorTarget* target );
82  // After steps are done, convert the G4ErrorFreeTrajState used for error
83  // propagation to the class of origin (G4ErrorFreeTrajState or
84  // G4eTrajStatOnSurface)
85 
86  void InvokePreUserTrackingAction( G4Track* fpTrack );
87  // Invoke the G4UserTrackingAction::PreUserTrackingAction
88  void InvokePostUserTrackingAction( G4Track* fpTrack );
89  // Invoke the G4UserTrackingAction::PostUserTrackingAction
90 
91  G4bool CheckIfLastStep( G4Track* aTrack );
92  // Check if it is the last step for error propagation:
93  // - G4ErrorState is G4ErrorState_StoppedAtTarget
94  // - Track is OutOfWorld
95  // - G4TrackStatus is fStopAndKill
96 
97  // Get and Set methods
98 
100  { return theInitialTrajState; }
101 
103  { return theStepLength; }
104 
105  void SetStepLength( const G4double sl )
106  { theStepLength = sl; }
107 
108  void SetStepN( const G4int sn )
109  { theStepN = sn; }
110 
111  private:
112 
113  G4int MakeSteps( G4ErrorFreeTrajState* currentTS_FREE );
114  // Advance steps until target is reached
115 
116  private:
117 
118  G4double theStepLength;
119 
120  G4ErrorTrajState* theInitialTrajState;
121 
122  G4int theStepN;
123 
124  G4Track* theG4Track;
125 
126  G4SteppingManager* fpSteppingManager;
127 
128  G4int verbose;
129 
130  G4bool thePropIsInitialized;
131 
132 };
133 
134 #endif
const XML_Char * target
Definition: expat.h:268
G4int MakeOneStep(G4ErrorFreeTrajState *currentTS_FREE)
G4int Propagate(G4ErrorTrajState *currentTS, const G4ErrorTarget *target, G4ErrorMode mode=G4ErrorMode_PropForwards)
void InvokePostUserTrackingAction(G4Track *fpTrack)
G4int PropagateOneStep(G4ErrorTrajState *currentTS)
G4double GetStepLength() const
int G4int
Definition: G4Types.hh:78
void SetStepLength(const G4double sl)
const G4ErrorTrajState * GetInitialTrajState() const
bool G4bool
Definition: G4Types.hh:79
void GetFinalTrajState(G4ErrorTrajState *currentTS, G4ErrorFreeTrajState *currentTS_FREE, const G4ErrorTarget *target)
void InvokePreUserTrackingAction(G4Track *fpTrack)
void SetStepN(const G4int sn)
G4Track * InitG4Track(G4ErrorTrajState &initialTS)
G4bool CheckIfLastStep(G4Track *aTrack)
double G4double
Definition: G4Types.hh:76
G4ErrorFreeTrajState * InitFreeTrajState(G4ErrorTrajState *currentTS)