| 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 // This example is provided by the Geant4-DNA
27 // Any report or published results obtained us
28 // shall cite the following Geant4-DNA collabo
29 // Med. Phys. 45 (2018) e722-e739
30 // Phys. Med. 31 (2015) 861-874
31 // Med. Phys. 37 (2010) 4692-4708
32 // Int. J. Model. Simul. Sci. Comput. 1 (2010)
33 //
34 // The Geant4-DNA web site is available at htt
35 //
36 /// \file medical/dna/svalue/src/PrimaryGenera
37 /// \brief Implementation of the PrimaryGenera
38
39 #include "PrimaryGeneratorAction.hh"
40
41 #include "DetectorConstruction.hh"
42
43 #include "G4RandomDirection.hh"
44 #include "G4RunManager.hh"
45 #include "G4StateManager.hh"
46 #include "G4SystemOfUnits.hh"
47
48 //....oooOO0OOooo........oooOO0OOooo........oo
49
50 PrimaryGeneratorAction::PrimaryGeneratorAction
51 : G4VUserPrimaryGeneratorAction(), G4VStateD
52 {
53 fDetector = dynamic_cast<const DetectorConst
54 G4RunManager::GetRunManager()->GetUserDete
55 }
56
57 //....oooOO0OOooo........oooOO0OOooo........oo
58
59 PrimaryGeneratorAction::~PrimaryGeneratorActio
60 {
61 G4StateManager::GetStateManager()->Deregiste
62 if (fParticleGun) delete fParticleGun;
63 }
64
65 //....oooOO0OOooo........oooOO0OOooo........oo
66
67 void PrimaryGeneratorAction::GeneratePrimaries
68 {
69 G4double thickness = fDetector->GetCytoThick
70 G4double radius = fDetector->GetNuclRadius()
71
72 G4double rx = 1 * m;
73 G4double ry = 1 * m;
74 G4double rz = 1 * m;
75 G4double myRadius = 0;
76
77 do {
78 rx = (2 * G4UniformRand() - 1) * (radius +
79 ry = (2 * G4UniformRand() - 1) * (radius +
80 rz = (2 * G4UniformRand() - 1) * (radius +
81 myRadius = std::sqrt(rx * rx + ry * ry + r
82
83 } while (myRadius > radius + thickness || my
84
85 fParticleGun->SetParticlePosition(G4ThreeVec
86 fParticleGun->SetParticleMomentumDirection(G
87 fParticleGun->GeneratePrimaryVertex(anEvent)
88 }
89
90 //....oooOO0OOooo........oooOO0OOooo........oo
91
92 G4bool PrimaryGeneratorAction::Notify(G4Applic
93 {
94 if (requestedState == G4State_Idle) {
95 if (fParticleGun != 0) return true;
96
97 fParticleGun = new G4ParticleGun(1);
98
99 // Define default primary
100
101 G4ParticleDefinition* particle = G4Particl
102 fParticleGun->SetParticleDefinition(partic
103 fParticleGun->SetParticleEnergy(0 * eV);
104 fParticleGun->SetParticlePosition(G4ThreeV
105 fParticleGun->SetParticleMomentumDirection
106 }
107
108 return true;
109 }
110