Geant4  10.00.p03
G4MultiLevelLocator.hh
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27 // $Id: G4MultiLevelLocator.hh 66356 2012-12-18 09:02:32Z gcosmo $
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29 //
30 // Class G4MultiLevelLocator
31 //
32 // class description:
33 //
34 // Implementing the calculation of the intersection point with a boundary when
35 // PropagationInField is used. Derived from method LocateIntersectionPoint()
36 // from G4PropagatorInField, it is based on a linear method for finding the
37 // intersection point by means of a 'depth' algorithm in case of slow progress
38 // (intersection is not found after 100 trials).
39 
40 // History:
41 // -------
42 // 27.10.08 - Tatiana Nikitina: Derived from LocateIntersectionPoint() from
43 // G4PropagatorInField class
44 // ---------------------------------------------------------------------------
45 
46 #ifndef G4MULTILEVELLOCATOR_HH
47 #define G4MULTILEVELLOCATOR_HH
48 
50 
52 {
53  public: // with description
54 
55  G4MultiLevelLocator(G4Navigator *theNavigator);
56  // Constructor
58  // Default destructor
59 
61  const G4FieldTrack& curveStartPointTangent, // A
62  const G4FieldTrack& curveEndPointTangent, // B
63  const G4ThreeVector& trialPoint, // E
64  G4FieldTrack& intersectPointTangent, // Output
65  G4bool& recalculatedEndPoint, // Out
66  G4double& fPreviousSafety, // In/Out
67  G4ThreeVector& fPreviousSftOrigin); // In/Out
68  // If such an intersection exists, this function calculates the
69  // intersection point of the true path of the particle with the surface
70  // of the current volume (or of one of its daughters).
71  // Should use lateral displacement as measure of convergence
72 
73  private:
74 
75  static const G4int max_depth=10;
76 
77  G4FieldTrack* ptrInterMedFT[max_depth+1];
78  // Used to store intermediate tracks values in case of too slow progress
79 };
80 
81 #endif
G4FieldTrack * ptrInterMedFT[max_depth+1]
CLHEP::Hep3Vector G4ThreeVector
G4bool EstimateIntersectionPoint(const G4FieldTrack &curveStartPointTangent, const G4FieldTrack &curveEndPointTangent, const G4ThreeVector &trialPoint, G4FieldTrack &intersectPointTangent, G4bool &recalculatedEndPoint, G4double &fPreviousSafety, G4ThreeVector &fPreviousSftOrigin)
int G4int
Definition: G4Types.hh:78
static const G4int max_depth
G4MultiLevelLocator(G4Navigator *theNavigator)
bool G4bool
Definition: G4Types.hh:79
double G4double
Definition: G4Types.hh:76