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 27 #include "BoundedBrownianAction.hh" 28 29 #include "G4DNABoundingBox.hh" 30 #include "G4Molecule.hh" 31 #include "G4Track.hh" 32 33 //....oooOO0OOooo........oooOO0OOooo........oo 34 35 BoundedBrownianAction::BoundedBrownianAction() 36 //....oooOO0OOooo........oooOO0OOooo........oo 37 38 G4double BoundedBrownianAction::GetDistanceToB 39 { 40 if (!fpBoundingBox->contains(track.GetPositi 41 G4ExceptionDescription errMsg; 42 errMsg << "Point is out of box : " << *fpB 43 << " of particle : " << GetIT(track 44 << ") : " << track.GetPosition(); 45 G4Exception( 46 "BoundedBrownianAction::GetDistanceToBou 47 "BoundedBrownianAction", 48 "BoundedBrownianAction", FatalErrorInArg 49 } 50 51 auto dx = std::min(track.GetPosition().getX( 52 fpBoundingBox->Getxhi() - 53 auto dy = std::min(track.GetPosition().getY( 54 fpBoundingBox->Getyhi() - 55 auto dz = std::min(track.GetPosition().getZ( 56 fpBoundingBox->Getzhi() - 57 return std::min({dx, dy, dz}); 58 } 59 60 //....oooOO0OOooo........oooOO0OOooo........oo 61 62 void BoundedBrownianAction::Transport(G4ThreeV 63 { 64 BouncingAction(nextposition); 65 } 66 67 //....oooOO0OOooo........oooOO0OOooo........oo 68 69 void BoundedBrownianAction::BouncingAction(G4T 70 { 71 // This algorithm is implemented based on Ka 72 // https://doi.org/10.48550/arXiv.2006.1422 73 G4double RxM = fpBoundingBox->Getxhi(); 74 G4double RyM = fpBoundingBox->Getyhi(); 75 G4double RzM = fpBoundingBox->Getzhi(); 76 77 G4double Rxm = fpBoundingBox->Getxlo(); 78 G4double Rym = fpBoundingBox->Getylo(); 79 G4double Rzm = fpBoundingBox->Getzlo(); 80 G4double Lx = RxM - Rxm; 81 G4double Ly = RyM - Rym; 82 G4double Lz = RzM - Rzm; 83 G4double trunx = trunc(std::abs(nextposition 84 G4double truny = trunc(std::abs(nextposition 85 G4double trunz = trunc(std::abs(nextposition 86 G4double hx = std::fmod(trunx, 2); 87 G4double hy = std::fmod(truny, 2); 88 G4double hz = std::fmod(trunz, 2); 89 G4double x = Rxm + hx * Lx + (1 - 2 * hx) * 90 G4double y = Rym + hy * Ly + (1 - 2 * hy) * 91 G4double z = Rzm + hz * Lz + (1 - 2 * hz) * 92 nextposition.set(x, y, z); 93 } 94 95 //....oooOO0OOooo........oooOO0OOooo........oo 96