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