Geant4 Cross Reference |
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These * 9 // * include a list of copyright holders. 9 // * include a list of copyright holders. * 10 // * 10 // * * 11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // >> 26 // >> 27 // >> 28 // 26 // class G4SafetyHelper 29 // class G4SafetyHelper 27 // 30 // 28 // Class description: 31 // Class description: 29 // 32 // 30 // This class is a helper for physics processe 33 // This class is a helper for physics processes which require 31 // knowledge of the safety, and the step size 34 // knowledge of the safety, and the step size for the 'mass' geometry 32 35 33 // First version: J.Apostolakis, July 5th, 2 << 36 // First version: J. Apostolakis, July 5th, 2006 >> 37 // Modified: >> 38 // 10.04.07 V.Ivanchenko Use unique G4SafetyHelper 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 45 40 #include "G4Types.hh" 46 #include "G4Types.hh" 41 #include "G4ThreeVector.hh" 47 #include "G4ThreeVector.hh" 42 #include "G4Navigator.hh" 48 #include "G4Navigator.hh" 43 49 44 class G4PathFinder; 50 class G4PathFinder; 45 51 46 class G4SafetyHelper 52 class G4SafetyHelper 47 { 53 { 48 public: // with description << 54 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 55 87 public: // without description << 56 G4SafetyHelper(); 88 << 57 ~G4SafetyHelper(); 89 void InitialiseHelper(); << 58 // 90 << 59 // Constructor and destructor 91 private: << 60 92 << 61 G4double CheckNextStep( const G4ThreeVector& position, 93 G4PathFinder* fpPathFinder = nullptr; << 62 const G4ThreeVector& direction, 94 G4Navigator* fpMassNavigator = nullptr; << 63 const G4double currentMaxStep, 95 << 64 G4double& newSafety ); 96 G4bool fUseParallelGeometries = false; << 65 // 97 // Flag whether to use PathFinder or sin << 66 // Return linear step for mass geometry 98 // By default, one geometry only << 67 99 G4bool fFirstCall = true; << 68 G4double ComputeSafety( const G4ThreeVector& pGlobalPoint, 100 // Flag of first call << 69 G4double maxRadius=DBL_MAX ); // Radius of interest 101 G4int fVerbose = 0; << 70 // 102 // Whether to print warning in case of m << 71 // Return safety for all geometries. 103 << 72 // 104 // State used during tracking -- for optim << 73 // The 2nd argument is the radius of your interest (e.g. maximum displacement ) 105 << 74 // Giving this you can reduce the average computational cost. 106 G4ThreeVector fLastSafetyPosition; << 75 // If the second argument is not given, this is the real isotropic safety 107 G4double fLastSafety = 0.0; << 76 108 << 77 void Locate(const G4ThreeVector& pGlobalPoint, 109 // const G4double fRecomputeFactor = 0.0; << 78 const G4ThreeVector& direction); >> 79 // >> 80 // Locate the point for all geometries >> 81 >> 82 void ReLocateWithinVolume(const G4ThreeVector& pGlobalPoint ); >> 83 // >> 84 // Relocate the point in the volume of interest >> 85 >> 86 >> 87 G4bool RecheckDistanceToCurrentBoundary( >> 88 const G4ThreeVector &pGlobalPoint, >> 89 const G4ThreeVector &pDirection, >> 90 const G4double pCurrentProposedStepLength, >> 91 G4double *prDistance, >> 92 G4double *prNewSafety= 0)const; >> 93 // Trial method for checking potential displacement for MS >> 94 // Check new Globalpoint, to see whether it is in current volume >> 95 // (mother) and not in potential entering daughter. >> 96 // If in mother, check distance to boundary along pDirection. >> 97 // If in entering daughter, check distance back to boundary. >> 98 // NOTE: >> 99 // Can be called only after ComputeStep is called - before ReLocation >> 100 // Deals only with current volume (and potentially entered) >> 101 >> 102 inline void EnableParallelNavigation(G4bool parallel); >> 103 // >> 104 // To have parallel worlds considered, must be true. >> 105 // Alternative is to use single (mass) Navigator directly >> 106 >> 107 void InitialiseNavigator(); >> 108 // >> 109 // Check for new navigator for tracking, and reinitialise pointer >> 110 >> 111 G4int SetVerboseLevel( G4int lev ) { G4int oldlv= fVerbose; fVerbose= lev; return oldlv; } >> 112 >> 113 inline G4VPhysicalVolume* GetWorldVolume(); >> 114 inline void SetCurrentSafety(G4double val, const G4ThreeVector& pos); >> 115 >> 116 public: // without description >> 117 >> 118 void InitialiseHelper(); >> 119 >> 120 private: >> 121 >> 122 G4PathFinder* fpPathFinder; >> 123 G4Navigator* fpMassNavigator; >> 124 G4int fMassNavigatorId; >> 125 >> 126 G4bool fUseParallelGeometries; >> 127 // Flag whether to use PathFinder or single (mass) Navigator directly >> 128 G4bool fFirstCall; >> 129 // Flag of first call >> 130 G4int fVerbose; >> 131 // Whether to print warning in case of move outside safety >> 132 >> 133 // State used during tracking -- for optimisation >> 134 G4ThreeVector fLastSafetyPosition; >> 135 G4double fLastSafety; >> 136 // const G4double fRecomputeFactor; 110 // parameter for further optimisation: 137 // parameter for further optimisation: 111 // if ( move < fact*safety ) do fast r 138 // if ( move < fact*safety ) do fast recomputation of safety 112 << 139 // End State (tracking) 113 // End State (tracking) << 114 }; 140 }; 115 141 116 // ------------------------------------------- << 117 // Inline definitions 142 // Inline definitions 118 // ------------------------------------------- << 119 << 120 inline G4int G4SafetyHelper::SetVerboseLevel( << 121 { << 122 G4int oldlv = fVerbose; << 123 fVerbose = lev; << 124 return oldlv; << 125 } << 126 143 127 inline 144 inline 128 void G4SafetyHelper::EnableParallelNavigation( 145 void G4SafetyHelper::EnableParallelNavigation(G4bool parallel) 129 { 146 { 130 fUseParallelGeometries = parallel; 147 fUseParallelGeometries = parallel; 131 } 148 } 132 149 133 inline 150 inline 134 G4VPhysicalVolume* G4SafetyHelper::GetWorldVol 151 G4VPhysicalVolume* G4SafetyHelper::GetWorldVolume() 135 { 152 { 136 return fpMassNavigator->GetWorldVolume(); 153 return fpMassNavigator->GetWorldVolume(); 137 } 154 } 138 155 139 inline 156 inline 140 void G4SafetyHelper::SetCurrentSafety(G4double 157 void G4SafetyHelper::SetCurrentSafety(G4double val, const G4ThreeVector& pos) 141 { 158 { 142 fLastSafety = val; 159 fLastSafety = val; 143 fLastSafetyPosition = pos; 160 fLastSafetyPosition = pos; 144 } 161 } 145 162 146 #endif 163 #endif 147 164