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25 // 25 //
>> 26 //
>> 27 // $Id: G4SafetyHelper.hh,v 1.3 2006/10/31 16:53:06 japost Exp $
>> 28 // GEANT4 tag $Name: geant4-08-03-patch-02 $
>> 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
34 // ------------------------------------------- 39 // --------------------------------------------------------------------
>> 40
35 #ifndef G4SAFETYHELPER_HH 41 #ifndef G4SAFETYHELPER_HH
36 #define G4SAFETYHELPER_HH 1 42 #define G4SAFETYHELPER_HH 1
37 43
38 #include <vector> 44 #include <vector>
39 <<
40 #include "G4Types.hh" 45 #include "G4Types.hh"
41 #include "G4ThreeVector.hh" 46 #include "G4ThreeVector.hh"
42 #include "G4Navigator.hh" <<
43 47
>> 48 class G4Navigator;
44 class G4PathFinder; 49 class G4PathFinder;
45 50
46 class G4SafetyHelper 51 class G4SafetyHelper
47 { 52 {
48 public: // with description 53 public: // with description
49 54
50 G4SafetyHelper(); << 55 G4SafetyHelper();
51 ~G4SafetyHelper(); 56 ~G4SafetyHelper();
52 // Constructor and destructor << 57 //
53 << 58 // Constructor and destructor
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 <<
87 public: // without description <<
88 <<
89 void InitialiseHelper(); <<
90 <<
91 private: <<
92 59
93 G4PathFinder* fpPathFinder = nullptr; << 60 G4double ComputeMassStep( const G4ThreeVector &position,
94 G4Navigator* fpMassNavigator = nullptr; << 61 const G4ThreeVector &direction,
>> 62 G4double &newSafety );
>> 63 //
>> 64 // Return step for mass geometry
>> 65
>> 66 G4double ComputeSafety( const G4ThreeVector& pGlobalPoint );
>> 67 //
>> 68 // Return safety for all geometries
>> 69
>> 70 void ReLocateWithinVolume(const G4ThreeVector& pGlobalPoint );
>> 71 //
>> 72 // Relocate the point in the volume of interest
>> 73
>> 74 public: // with description
>> 75 static void EnableParallelNavigation(G4bool parallel)
>> 76 { fUseParallelGeometries= parallel; }
>> 77 //
>> 78 // To have parallel worlds considered, must be true.
>> 79 // Alternative is to use single (mass) Navigator directly
>> 80
>> 81 void InitialiseNavigator();
>> 82 //
>> 83 // Check for new navigator for tracking, and reinitialise pointer
>> 84
>> 85 private:
>> 86
>> 87 G4PathFinder* fpPathFinder;
>> 88 G4Navigator* fpMassNavigator;
>> 89 G4int fMassNavigatorId;
95 90
96 G4bool fUseParallelGeometries = false; << 91 static G4bool fUseParallelGeometries;
97 // Flag whether to use PathFinder or sin << 92 // Flag whether to use PathFinder or single (mass) Navigator directly
98 // By default, one geometry only <<
99 G4bool fFirstCall = true; <<
100 // Flag of first call <<
101 G4int fVerbose = 0; <<
102 // Whether to print warning in case of m <<
103 93
104 // State used during tracking -- for optim <<
105 <<
106 G4ThreeVector fLastSafetyPosition; <<
107 G4double fLastSafety = 0.0; <<
108 <<
109 // const G4double fRecomputeFactor = 0.0; <<
110 // parameter for further optimisation: <<
111 // if ( move < fact*safety ) do fast r <<
112 <<
113 // End State (tracking) <<
114 }; 94 };
115 <<
116 // ------------------------------------------- <<
117 // Inline definitions <<
118 // ------------------------------------------- <<
119 <<
120 inline G4int G4SafetyHelper::SetVerboseLevel( <<
121 { <<
122 G4int oldlv = fVerbose; <<
123 fVerbose = lev; <<
124 return oldlv; <<
125 } <<
126 <<
127 inline <<
128 void G4SafetyHelper::EnableParallelNavigation( <<
129 { <<
130 fUseParallelGeometries = parallel; <<
131 } <<
132 <<
133 inline <<
134 G4VPhysicalVolume* G4SafetyHelper::GetWorldVol <<
135 { <<
136 return fpMassNavigator->GetWorldVolume(); <<
137 } <<
138 <<
139 inline <<
140 void G4SafetyHelper::SetCurrentSafety(G4double <<
141 { <<
142 fLastSafety = val; <<
143 fLastSafetyPosition = pos; <<
144 } <<
145 95
146 #endif 96 #endif
147 97