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25 //
26 /// \file field/field01/src/F01PrimaryGenerato
27 /// \brief Implementation of the F01PrimaryGen
28 //
29 //
30 //
31 //
32 //....oooOO0OOooo........oooOO0OOooo........oo
33 //....oooOO0OOooo........oooOO0OOooo........oo
34
35 #include "F01PrimaryGeneratorAction.hh"
36
37 #include "F01DetectorConstruction.hh"
38 #include "F01PrimaryGeneratorMessenger.hh"
39
40 #include "G4Event.hh"
41 #include "G4ParticleDefinition.hh"
42 #include "G4ParticleGun.hh"
43 #include "G4ParticleTable.hh"
44 #include "G4PhysicalConstants.hh"
45 #include "G4SystemOfUnits.hh"
46 #include "Randomize.hh"
47
48 //....oooOO0OOooo........oooOO0OOooo........oo
49
50 G4ParticleDefinition* F01PrimaryGeneratorActio
51
52 //....oooOO0OOooo........oooOO0OOooo........oo
53
54 F01PrimaryGeneratorAction::F01PrimaryGenerator
55 {
56 G4int n_particle = 1;
57 fParticleGun = new G4ParticleGun(n_particle)
58
59 // create a messenger for this class
60 fGunMessenger = new F01PrimaryGeneratorMesse
61
62 // default particle kinematic
63
64 G4ParticleTable* particleTable = G4ParticleT
65 G4String particleName;
66 G4ParticleDefinition* particle = particleTab
67 fParticleGun->SetParticleDefinition(particle
68
69 fgPrimaryParticle = particle;
70
71 fParticleGun->SetParticleMomentumDirection(G
72 fParticleGun->SetParticleEnergy(0.5 * GeV);
73
74 fZVertex = fDetector->GetAbsorberZpos() - 0.
75 fParticleGun->SetParticlePosition(G4ThreeVec
76 }
77
78 //....oooOO0OOooo........oooOO0OOooo........oo
79
80 F01PrimaryGeneratorAction::~F01PrimaryGenerato
81 {
82 delete fParticleGun;
83 delete fGunMessenger;
84 }
85
86 //....oooOO0OOooo........oooOO0OOooo........oo
87
88 void F01PrimaryGeneratorAction::GeneratePrimar
89 {
90 // this function is called at the begining o
91 //
92 fgPrimaryParticle = fParticleGun->GetParticl
93
94 G4double x0, y0, z0;
95 if (fVertexDefined) {
96 x0 = fXVertex;
97 y0 = fYVertex;
98 z0 = fZVertex;
99 }
100 else {
101 x0 = 0.;
102 y0 = 0.;
103 z0 = fDetector->GetAbsorberZpos() - 0.5 *
104 }
105
106 G4double r0, phi0;
107 if (fRndmFlag == "on") {
108 r0 = (fDetector->GetAbsorberRadius()) * st
109 phi0 = twopi * G4UniformRand();
110 x0 = r0 * std::cos(phi0);
111 y0 = r0 * std::sin(phi0);
112 }
113
114 fParticleGun->SetParticlePosition(G4ThreeVec
115 fParticleGun->GeneratePrimaryVertex(anEvent)
116 }
117
118 //....oooOO0OOooo........oooOO0OOooo........oo
119
120 G4String F01PrimaryGeneratorAction::GetPrimary
121 {
122 return fgPrimaryParticle->GetParticleName();
123 }
124
125 //....oooOO0OOooo........oooOO0OOooo........oo
126
127 void F01PrimaryGeneratorAction::SetZVertex(G4d
128 {
129 fVertexDefined = true;
130 fZVertex = z;
131 G4cout << " Z coordinate of the primary vert
132 }
133
134 //....oooOO0OOooo........oooOO0OOooo........oo
135
136 void F01PrimaryGeneratorAction::SetXVertex(G4d
137 {
138 fVertexDefined = true;
139 fXVertex = x;
140 G4cout << " X coordinate of the primary vert
141 }
142
143 //....oooOO0OOooo........oooOO0OOooo........oo
144
145 void F01PrimaryGeneratorAction::SetYVertex(G4d
146 {
147 fVertexDefined = true;
148 fYVertex = y;
149 G4cout << " Y coordinate of the primary vert
150 }
151
152 //....oooOO0OOooo........oooOO0OOooo........oo
153