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25 //
26 /// \file electromagnetic/TestEm17/src/Primary
27 /// \brief Implementation of the PrimaryGenera
28 //
29 //
30 //....oooOO0OOooo........oooOO0OOooo........oo
31 //....oooOO0OOooo........oooOO0OOooo........oo
32
33 #include "PrimaryGeneratorAction.hh"
34
35 #include "DetectorConstruction.hh"
36
37 #include "G4Event.hh"
38 #include "G4ParticleDefinition.hh"
39 #include "G4ParticleTable.hh"
40 #include "G4SystemOfUnits.hh"
41 #include "Randomize.hh"
42
43 //....oooOO0OOooo........oooOO0OOooo........oo
44
45 PrimaryGeneratorAction::PrimaryGeneratorAction
46 : G4VUserPrimaryGeneratorAction(), fParticle
47 {
48 fParticleGun = new G4ParticleGun(1);
49 G4ParticleDefinition* particle = G4ParticleT
50 fParticleGun->SetParticleDefinition(particle
51 fParticleGun->SetParticleEnergy(10 * TeV);
52 fParticleGun->SetParticleMomentumDirection(G
53 }
54
55 //....oooOO0OOooo........oooOO0OOooo........oo
56
57 PrimaryGeneratorAction::~PrimaryGeneratorActio
58 {
59 delete fParticleGun;
60 }
61
62 //....oooOO0OOooo........oooOO0OOooo........oo
63
64 void PrimaryGeneratorAction::GeneratePrimaries
65 {
66 // this function is called at the begining o
67 //
68 G4double halfSize = 0.5 * (fDetector->GetSiz
69 G4double x0 = -halfSize;
70
71 // randomize (y0,z0)
72 //
73 G4double beam = 0.8 * halfSize;
74 G4double y0 = (2 * G4UniformRand() - 1.) * b
75 G4double z0 = (2 * G4UniformRand() - 1.) * b
76
77 fParticleGun->SetParticlePosition(G4ThreeVec
78 fParticleGun->GeneratePrimaryVertex(anEvent)
79 }
80
81 //....oooOO0OOooo........oooOO0OOooo........oo
82