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25 // 25 //
>> 26 //
>> 27 // $Id: G4SafetyHelper.hh,v 1.7 2007-05-02 15:32:13 japost Exp $
>> 28 // GEANT4 tag $Name: not supported by cvs2svn $
>> 29 //
>> 30 //
26 // class G4SafetyHelper 31 // class G4SafetyHelper
27 // 32 //
28 // Class description: 33 // Class description:
29 // 34 //
30 // This class is a helper for physics processe 35 // This class is a helper for physics processes which require
31 // knowledge of the safety, and the step size 36 // knowledge of the safety, and the step size for the 'mass' geometry
32 37
33 // First version: J.Apostolakis, July 5th, 2 << 38 // First version: J. Apostolakis, July 5th, 2006
>> 39 // Modified:
>> 40 // 10.04.07 V.Ivanchenko Use unique G4SafetyHelper
34 // ------------------------------------------- 41 // --------------------------------------------------------------------
>> 42
35 #ifndef G4SAFETYHELPER_HH 43 #ifndef G4SAFETYHELPER_HH
36 #define G4SAFETYHELPER_HH 1 44 #define G4SAFETYHELPER_HH 1
37 45
38 #include <vector> 46 #include <vector>
39 47
40 #include "G4Types.hh" 48 #include "G4Types.hh"
41 #include "G4ThreeVector.hh" 49 #include "G4ThreeVector.hh"
42 #include "G4Navigator.hh" 50 #include "G4Navigator.hh"
43 51
44 class G4PathFinder; 52 class G4PathFinder;
45 53
46 class G4SafetyHelper 54 class G4SafetyHelper
47 { 55 {
48 public: // with description << 56 public: // with description
49 <<
50 G4SafetyHelper(); <<
51 ~G4SafetyHelper(); <<
52 // Constructor and destructor <<
53 <<
54 G4double CheckNextStep( const G4ThreeVecto <<
55 const G4ThreeVecto <<
56 const G4double cur <<
57 G4double& ne <<
58 // Return linear step for mass geometry <<
59 <<
60 G4double ComputeSafety( const G4ThreeVecto <<
61 G4double maxRadius <<
62 // Return safety for all geometries. <<
63 // <<
64 // The 2nd argument is the radius of you <<
65 // displacement). Giving this you can re <<
66 // cost. If the second argument is not g <<
67 // isotropic safety <<
68 <<
69 void Locate(const G4ThreeVector& pGlobalPo <<
70 const G4ThreeVector& direction <<
71 // Locate the point for all geometries <<
72 <<
73 void ReLocateWithinVolume(const G4ThreeVec <<
74 // Relocate the point in the volume of i <<
75 <<
76 inline void EnableParallelNavigation(G4boo <<
77 // To have parallel worlds considered, <<
78 // Alternative is to use single (mass) <<
79 <<
80 void InitialiseNavigator(); <<
81 // Check for new navigator for tracking, <<
82 <<
83 inline G4int SetVerboseLevel( G4int lev ); <<
84 inline G4VPhysicalVolume* GetWorldVolume() <<
85 inline void SetCurrentSafety(G4double val, <<
86 57
87 public: // without description << 58 G4SafetyHelper();
88 << 59 ~G4SafetyHelper();
89 void InitialiseHelper(); << 60 //
90 << 61 // Constructor and destructor
91 private: << 62
92 << 63 G4double CheckNextStep( const G4ThreeVector& position,
93 G4PathFinder* fpPathFinder = nullptr; << 64 const G4ThreeVector& direction,
94 G4Navigator* fpMassNavigator = nullptr; << 65 const G4double currentMaxStep,
95 << 66 G4double& newSafety );
96 G4bool fUseParallelGeometries = false; << 67 //
97 // Flag whether to use PathFinder or sin << 68 // Return linear step for mass geometry
98 // By default, one geometry only << 69
99 G4bool fFirstCall = true; << 70 G4double ComputeSafety( const G4ThreeVector& pGlobalPoint );
100 // Flag of first call << 71 //
101 G4int fVerbose = 0; << 72 // Return safety for all geometries
102 // Whether to print warning in case of m << 73
103 << 74 void Locate(const G4ThreeVector& pGlobalPoint,
104 // State used during tracking -- for optim << 75 const G4ThreeVector& direction);
105 << 76 //
106 G4ThreeVector fLastSafetyPosition; << 77 // Locate the point for all geometries
107 G4double fLastSafety = 0.0; << 78
108 << 79 void ReLocateWithinVolume(const G4ThreeVector& pGlobalPoint );
109 // const G4double fRecomputeFactor = 0.0; << 80 //
>> 81 // Relocate the point in the volume of interest
>> 82
>> 83 inline void EnableParallelNavigation(G4bool parallel);
>> 84 //
>> 85 // To have parallel worlds considered, must be true.
>> 86 // Alternative is to use single (mass) Navigator directly
>> 87
>> 88 void InitialiseNavigator();
>> 89 //
>> 90 // Check for new navigator for tracking, and reinitialise pointer
>> 91
>> 92 inline G4VPhysicalVolume* GetWorldVolume();
>> 93 inline void SetCurrentSafety(G4double val, const G4ThreeVector& pos);
>> 94
>> 95 public: // without description
>> 96
>> 97 void InitialiseHelper();
>> 98
>> 99 private:
>> 100
>> 101 G4PathFinder* fpPathFinder;
>> 102 G4Navigator* fpMassNavigator;
>> 103 G4int fMassNavigatorId;
>> 104
>> 105 G4bool fUseParallelGeometries;
>> 106 // Flag whether to use PathFinder or single (mass) Navigator directly
>> 107 G4bool fFirstCall;
>> 108 // Flag of first call
>> 109
>> 110 // State used during tracking -- for optimisation
>> 111 G4ThreeVector fLastSafetyPosition;
>> 112 G4double fLastSafety;
>> 113 const G4double fRecomputeFactor;
110 // parameter for further optimisation: 114 // parameter for further optimisation:
111 // if ( move < fact*safety ) do fast r 115 // if ( move < fact*safety ) do fast recomputation of safety
112 << 116 // End State (tracking)
113 // End State (tracking) <<
114 }; 117 };
115 118
116 // ------------------------------------------- <<
117 // Inline definitions 119 // Inline definitions
118 // ------------------------------------------- <<
119 <<
120 inline G4int G4SafetyHelper::SetVerboseLevel( <<
121 { <<
122 G4int oldlv = fVerbose; <<
123 fVerbose = lev; <<
124 return oldlv; <<
125 } <<
126 120
127 inline 121 inline
128 void G4SafetyHelper::EnableParallelNavigation( 122 void G4SafetyHelper::EnableParallelNavigation(G4bool parallel)
129 { 123 {
130 fUseParallelGeometries = parallel; 124 fUseParallelGeometries = parallel;
131 } 125 }
132 126
133 inline 127 inline
134 G4VPhysicalVolume* G4SafetyHelper::GetWorldVol 128 G4VPhysicalVolume* G4SafetyHelper::GetWorldVolume()
135 { 129 {
136 return fpMassNavigator->GetWorldVolume(); 130 return fpMassNavigator->GetWorldVolume();
137 } 131 }
138 132
139 inline 133 inline
140 void G4SafetyHelper::SetCurrentSafety(G4double 134 void G4SafetyHelper::SetCurrentSafety(G4double val, const G4ThreeVector& pos)
141 { 135 {
142 fLastSafety = val; 136 fLastSafety = val;
143 fLastSafetyPosition = pos; 137 fLastSafetyPosition = pos;
144 } 138 }
145 139
146 #endif 140 #endif
147 141