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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 // G4ParticleChangeForMSC << 27 // 26 // 28 // Class description: << 27 // $Id: G4ParticleChangeForMSC.hh 68795 2013-04-05 13:24:46Z gcosmo $ >> 28 // GEANT4 tag $ $ 29 // 29 // 30 // Concrete "Particle Change" class for Multip << 30 // 31 << 31 // ------------------------------------------------------------ 32 // Author: Hisaya Kurashige, 23 March 1998 << 32 // GEANT 4 class header file 33 // Revision: Vladimir Ivantchenko, 16 January << 33 // 34 // 23 August 2 << 34 // 35 // ------------------------------------------- << 35 // Class Description 36 #ifndef G4ParticleChangeForMSC_hh << 36 // This class is special "Particle Change" for Multiple Scattering process 37 #define G4ParticleChangeForMSC_hh 1 << 37 // >> 38 // ------------------------------------------------------------ >> 39 // Implemented for the new scheme 23 Mar. 1998 H.Kurahige >> 40 // Add Get/SetMomentumDirectionChange 6 Feb. 1999 H.Kurashige >> 41 // Update for model variant of msc 16 Jan 2004 V.Ivanchenko >> 42 // >> 43 // ------------------------------------------------------------- >> 44 #ifndef G4ParticleChangeForMSC_h >> 45 #define G4ParticleChangeForMSC_h 1 38 46 39 #include "globals.hh" 47 #include "globals.hh" 40 #include "G4ios.hh" 48 #include "G4ios.hh" 41 #include "G4ThreeVector.hh" 49 #include "G4ThreeVector.hh" >> 50 #include "G4ThreeVector.hh" >> 51 class G4DynamicParticle; 42 #include "G4VParticleChange.hh" 52 #include "G4VParticleChange.hh" 43 53 44 class G4ParticleChangeForMSC final : public G4 << 54 class G4ParticleChangeForMSC: public G4VParticleChange 45 { << 55 { 46 public: << 56 public: 47 << 57 // default constructor 48 G4ParticleChangeForMSC(); << 58 G4ParticleChangeForMSC(); 49 << 59 50 ~G4ParticleChangeForMSC() override = default << 60 // destructor 51 << 61 virtual ~G4ParticleChangeForMSC(); 52 G4ParticleChangeForMSC(const G4ParticleChang << 62 53 G4ParticleChangeForMSC& operator= << 63 protected: 54 (const G4ParticleChangeForMSC& right) = dele << 64 // hide copy constructor and assignment operaor as protected >> 65 G4ParticleChangeForMSC(const G4ParticleChangeForMSC &right); >> 66 G4ParticleChangeForMSC & operator=(const G4ParticleChangeForMSC &right); >> 67 >> 68 >> 69 public: // with description >> 70 // ---------------------------------------------------- >> 71 // --- the following methods are for updating G4Step ----- >> 72 // Return the pointer to the G4Step after updating the Step information >> 73 // by using final state information of the track given by a physics >> 74 // process >> 75 virtual G4Step* UpdateStepForAlongStep(G4Step* Step); >> 76 virtual G4Step* UpdateStepForPostStep(G4Step* Step); >> 77 // A physics process gives the final state of the particle >> 78 // based on information of G4Track (or equivalently the PreStepPoint) >> 79 >> 80 virtual void Initialize(const G4Track&); >> 81 // Initialize all propoerties by using G4Track information >> 82 >> 83 // ---------------------------------------------------- >> 84 //--- methods to keep information of the final state-- >> 85 // IMPORTANT NOTE: Although the name of the class and methods are >> 86 // "Change", what it stores (and returns in get) are the "FINAL" >> 87 // values of the Position, Momentum, etc. >> 88 >> 89 void ProposeMomentumDirection(const G4ThreeVector& Pfinal); >> 90 void ProposeMomentumDirection(G4double Px, G4double Py, G4double Pz); >> 91 const G4ThreeVector* GetMomentumDirection() const; >> 92 const G4ThreeVector* GetProposedMomentumDirection() const; >> 93 void SetProposedMomentumDirection(const G4ThreeVector& Pfinal); >> 94 // Get/Set theMomentumDirectionChange vector: it is the final momentum direction. >> 95 >> 96 const G4ThreeVector* GetPosition() const; >> 97 void ProposePosition(const G4ThreeVector& finalPosition); >> 98 const G4ThreeVector* GetProposedPosition() const; >> 99 void SetProposedPosition(const G4ThreeVector& finalPosition); >> 100 // Get/Set the final position of the current particle. >> 101 >> 102 public: >> 103 virtual void DumpInfo() const; >> 104 // for Debug >> 105 virtual G4bool CheckIt(const G4Track&); >> 106 >> 107 private: >> 108 G4ThreeVector theMomentumDirection; >> 109 // It is the vector containing the final momentum direction >> 110 // after the invoked process. The application of the change >> 111 // of the momentum direction of the particle is not Done here. >> 112 // The responsibility to apply the change is up the entity >> 113 // which invoked the process. 55 114 56 // A multiple scattering process gives the f << 115 G4ThreeVector thePosition; 57 G4Step* UpdateStepForAlongStep(G4Step* step) << 116 // The changed (final) position of a given particle. 58 117 59 // Initialise only properties changed by mul << 60 inline void InitialiseMSC(const G4Track&, co << 61 << 62 inline void ProposeMomentumDirection(const G << 63 inline const G4ThreeVector* GetProposedMomen << 64 << 65 inline void ProposePosition(const G4ThreeVec << 66 inline const G4ThreeVector& GetProposedPosit << 67 << 68 private: << 69 << 70 G4ThreeVector theMomentumDirection; << 71 // It is the vector containing the final mom << 72 // after multiple scattering is applied alon << 73 << 74 G4ThreeVector thePosition; << 75 // The changed of post step position after m << 76 }; 118 }; 77 119 78 inline void G4ParticleChangeForMSC::ProposeMom << 120 #include "G4ParticleChangeForMSC.icc" 79 const G4ThreeVector& P) << 80 { << 81 theMomentumDirection = P; << 82 } << 83 << 84 inline const G4ThreeVector* << 85 G4ParticleChangeForMSC::GetProposedMomentumDir << 86 { << 87 return &theMomentumDirection; << 88 } << 89 << 90 inline void G4ParticleChangeForMSC::ProposePos << 91 { << 92 thePosition = P; << 93 } << 94 << 95 inline const G4ThreeVector& G4ParticleChangeFo << 96 { << 97 return thePosition; << 98 } << 99 << 100 inline void << 101 G4ParticleChangeForMSC::InitialiseMSC(const G4 << 102 { << 103 theStatusChange = track.GetTrackStatus(); << 104 auto poststep = step.GetPostStepPoint(); << 105 thePosition = poststep->GetPosition(); << 106 theMomentumDirection = poststep->GetMomentum << 107 theCurrentTrack = &track; << 108 } << 109 << 110 #endif 121 #endif >> 122 111 123