Geant4 Cross Reference |
1 // 1 // 2 // ******************************************* 2 // ******************************************************************** 3 // * License and Disclaimer 3 // * License and Disclaimer * 4 // * 4 // * * 5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . 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 // $Id: G4SafetyHelper.hh 81060 2014-05-20 09:12:39Z gcosmo $ >> 28 // >> 29 // 26 // class G4SafetyHelper 30 // class G4SafetyHelper 27 // 31 // 28 // Class description: 32 // Class description: 29 // 33 // 30 // This class is a helper for physics processe 34 // This class is a helper for physics processes which require 31 // knowledge of the safety, and the step size 35 // knowledge of the safety, and the step size for the 'mass' geometry 32 36 33 // First version: J.Apostolakis, July 5th, 2 << 37 // First version: J. Apostolakis, July 5th, 2006 >> 38 // Modified: >> 39 // 10.04.07 V.Ivanchenko Use unique G4SafetyHelper 34 // ------------------------------------------- 40 // -------------------------------------------------------------------- >> 41 35 #ifndef G4SAFETYHELPER_HH 42 #ifndef G4SAFETYHELPER_HH 36 #define G4SAFETYHELPER_HH 1 43 #define G4SAFETYHELPER_HH 1 37 44 38 #include <vector> 45 #include <vector> 39 46 40 #include "G4Types.hh" 47 #include "G4Types.hh" 41 #include "G4ThreeVector.hh" 48 #include "G4ThreeVector.hh" 42 #include "G4Navigator.hh" 49 #include "G4Navigator.hh" 43 50 44 class G4PathFinder; 51 class G4PathFinder; 45 52 46 class G4SafetyHelper 53 class G4SafetyHelper 47 { 54 { 48 public: // with description << 55 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 56 87 public: // without description << 57 G4SafetyHelper(); 88 << 58 ~G4SafetyHelper(); 89 void InitialiseHelper(); << 59 // 90 << 60 // Constructor and destructor 91 private: << 61 92 << 62 G4double CheckNextStep( const G4ThreeVector& position, 93 G4PathFinder* fpPathFinder = nullptr; << 63 const G4ThreeVector& direction, 94 G4Navigator* fpMassNavigator = nullptr; << 64 const G4double currentMaxStep, 95 << 65 G4double& newSafety ); 96 G4bool fUseParallelGeometries = false; << 66 // 97 // Flag whether to use PathFinder or sin << 67 // Return linear step for mass geometry 98 // By default, one geometry only << 68 99 G4bool fFirstCall = true; << 69 G4double ComputeSafety( const G4ThreeVector& pGlobalPoint, 100 // Flag of first call << 70 G4double maxRadius=DBL_MAX ); // Radius of interest 101 G4int fVerbose = 0; << 71 // 102 // Whether to print warning in case of m << 72 // Return safety for all geometries. 103 << 73 // 104 // State used during tracking -- for optim << 74 // The 2nd argument is the radius of your interest (e.g. maximum displacement ) 105 << 75 // Giving this you can reduce the average computational cost. 106 G4ThreeVector fLastSafetyPosition; << 76 // If the second argument is not given, this is the real isotropic safety 107 G4double fLastSafety = 0.0; << 77 108 << 78 void Locate(const G4ThreeVector& pGlobalPoint, 109 // const G4double fRecomputeFactor = 0.0; << 79 const G4ThreeVector& direction); >> 80 // >> 81 // Locate the point for all geometries >> 82 >> 83 void ReLocateWithinVolume(const G4ThreeVector& pGlobalPoint ); >> 84 // >> 85 // Relocate the point in the volume of interest >> 86 >> 87 >> 88 G4bool RecheckDistanceToCurrentBoundary( >> 89 const G4ThreeVector &pGlobalPoint, >> 90 const G4ThreeVector &pDirection, >> 91 const G4double pCurrentProposedStepLength, >> 92 G4double *prDistance, >> 93 G4double *prNewSafety= 0)const; >> 94 // Trial method for checking potential displacement for MS >> 95 // Check new Globalpoint, to see whether it is in current volume >> 96 // (mother) and not in potential entering daughter. >> 97 // If in mother, check distance to boundary along pDirection. >> 98 // If in entering daughter, check distance back to boundary. >> 99 // NOTE: >> 100 // Can be called only after ComputeStep is called - before ReLocation >> 101 // Deals only with current volume (and potentially entered) >> 102 >> 103 inline void EnableParallelNavigation(G4bool parallel); >> 104 // >> 105 // To have parallel worlds considered, must be true. >> 106 // Alternative is to use single (mass) Navigator directly >> 107 >> 108 void InitialiseNavigator(); >> 109 // >> 110 // Check for new navigator for tracking, and reinitialise pointer >> 111 >> 112 G4int SetVerboseLevel( G4int lev ) { G4int oldlv= fVerbose; fVerbose= lev; return oldlv; } >> 113 >> 114 inline G4VPhysicalVolume* GetWorldVolume(); >> 115 inline void SetCurrentSafety(G4double val, const G4ThreeVector& pos); >> 116 >> 117 public: // without description >> 118 >> 119 void InitialiseHelper(); >> 120 >> 121 private: >> 122 >> 123 G4PathFinder* fpPathFinder; >> 124 G4Navigator* fpMassNavigator; >> 125 G4int fMassNavigatorId; >> 126 >> 127 G4bool fUseParallelGeometries; >> 128 // Flag whether to use PathFinder or single (mass) Navigator directly >> 129 G4bool fFirstCall; >> 130 // Flag of first call >> 131 G4int fVerbose; >> 132 // Whether to print warning in case of move outside safety >> 133 >> 134 // State used during tracking -- for optimisation >> 135 G4ThreeVector fLastSafetyPosition; >> 136 G4double fLastSafety; >> 137 // const G4double fRecomputeFactor; 110 // parameter for further optimisation: 138 // parameter for further optimisation: 111 // if ( move < fact*safety ) do fast r 139 // if ( move < fact*safety ) do fast recomputation of safety 112 << 140 // End State (tracking) 113 // End State (tracking) << 114 }; 141 }; 115 142 116 // ------------------------------------------- << 117 // Inline definitions 143 // Inline definitions 118 // ------------------------------------------- << 119 << 120 inline G4int G4SafetyHelper::SetVerboseLevel( << 121 { << 122 G4int oldlv = fVerbose; << 123 fVerbose = lev; << 124 return oldlv; << 125 } << 126 144 127 inline 145 inline 128 void G4SafetyHelper::EnableParallelNavigation( 146 void G4SafetyHelper::EnableParallelNavigation(G4bool parallel) 129 { 147 { 130 fUseParallelGeometries = parallel; 148 fUseParallelGeometries = parallel; 131 } 149 } 132 150 133 inline 151 inline 134 G4VPhysicalVolume* G4SafetyHelper::GetWorldVol 152 G4VPhysicalVolume* G4SafetyHelper::GetWorldVolume() 135 { 153 { 136 return fpMassNavigator->GetWorldVolume(); 154 return fpMassNavigator->GetWorldVolume(); 137 } 155 } 138 156 139 inline 157 inline 140 void G4SafetyHelper::SetCurrentSafety(G4double 158 void G4SafetyHelper::SetCurrentSafety(G4double val, const G4ThreeVector& pos) 141 { 159 { 142 fLastSafety = val; 160 fLastSafety = val; 143 fLastSafetyPosition = pos; 161 fLastSafetyPosition = pos; 144 } 162 } 145 163 146 #endif 164 #endif 147 165