Geant4 Cross Reference |
1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 // Class G4VIntersectionLocator inline methods 27 // 28 // 27.10.07 - John Apostolakis, Tatiana Nikiti 29 // ------------------------------------------- 30 31 inline G4double G4VIntersectionLocator::GetDel 32 { 33 return fiDeltaIntersection; 34 } 35 36 inline G4double G4VIntersectionLocator::GetEps 37 { 38 return fiEpsilonStep; 39 } 40 41 inline G4Navigator* G4VIntersectionLocator::Ge 42 { 43 return fiNavigator; 44 } 45 46 inline G4ChordFinder* G4VIntersectionLocator:: 47 { 48 return fiChordFinder; 49 } 50 51 inline G4int G4VIntersectionLocator::GetVerbos 52 { 53 return fVerboseLevel; 54 } 55 56 inline G4bool G4VIntersectionLocator::GetAdjus 57 { 58 return fUseNormalCorrection; 59 } 60 61 inline void G4VIntersectionLocator:: 62 AddAdjustementOfFoundIntersection(G4bool UseCo 63 { 64 fUseNormalCorrection = UseCorrection; 65 } 66 67 inline void G4VIntersectionLocator::SetEpsilon 68 { 69 fiEpsilonStep = EpsilonStep; 70 } 71 72 inline void G4VIntersectionLocator:: 73 SetDeltaIntersectionFor( G4double deltaInterse 74 { 75 fiDeltaIntersection = deltaIntersection; 76 } 77 78 inline void G4VIntersectionLocator::SetNavigat 79 { 80 fiNavigator = fNavigator; 81 } 82 83 inline void G4VIntersectionLocator::SetChordFi 84 { 85 fiChordFinder = fCFinder; 86 } 87 88 inline void G4VIntersectionLocator::SetSafetyP 89 { 90 fiUseSafety = UseSafety; 91 } 92 93 inline void G4VIntersectionLocator::SetVerbose 94 { 95 fVerboseLevel = fVerbose; 96 } 97 98 inline G4bool 99 G4VIntersectionLocator::IntersectChord( const 100 const 101 G4doub 102 G4doub 103 G4Thre 104 G4doub 105 G4Thre 106 G4bool 107 { 108 G4bool CalledNavigator = false; 109 110 // Calculate the direction and length of the 111 112 G4ThreeVector ChordAB_Vector = EndPointB - 113 G4double ChordAB_Length = ChordAB_Vect 114 G4ThreeVector ChordAB_Dir = ChordAB_Vector. 115 G4bool intersects; 116 G4ThreeVector OriginShift = StartPointA - Pr 117 G4double MagSqShift = OriginShift.mag2() ; 118 G4double currentSafety; 119 120 if( MagSqShift >= sqr(PreviousSafety) ) 121 { 122 currentSafety = 0.0 ; 123 } 124 else 125 { 126 currentSafety = PreviousSafety - std::sqrt 127 } 128 129 if( fiUseSafety && (ChordAB_Length <= curren 130 { 131 // The Step is guaranteed to be taken 132 133 LinearStepLength = ChordAB_Length; 134 intersects = false; 135 NewSafety = currentSafety; 136 CalledNavigator = false; 137 } 138 else 139 { 140 // Check whether any volumes are encounter 141 142 LinearStepLength = GetNavigatorFor()->Comp 143 ChordAB_Dir, 144 intersects = (LinearStepLength <= ChordAB_ 145 // G4Navigator contracts to return k_in 146 // and it did not find a surface bounda 147 148 LinearStepLength = std::min( LinearStepLen 149 CalledNavigator = true; 150 151 // Save the last calculated safety! 152 153 PreviousSftOrigin = StartPointA; 154 PreviousSafety = NewSafety; 155 156 if( intersects ) 157 { 158 // Intersection Point of chord AB and e 159 // or a 160 IntersectionPoint = StartPointA + Linea 161 } 162 } 163 if( ptrCalledNavigator != nullptr ) 164 { 165 *ptrCalledNavigator = CalledNavigator; 166 } 167 168 return intersects; 169 } 170