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25 //
26 /// \file electromagnetic/TestEm12/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 "PrimaryGeneratorMessenger.hh"
36
37 #include "G4Event.hh"
38 #include "G4ParticleDefinition.hh"
39 #include "G4ParticleGun.hh"
40 #include "G4ParticleTable.hh"
41 #include "G4PhysicalConstants.hh"
42 #include "G4SystemOfUnits.hh"
43 #include "Randomize.hh"
44
45 //....oooOO0OOooo........oooOO0OOooo........oo
46
47 PrimaryGeneratorAction::PrimaryGeneratorAction
48 {
49 fParticleGun = new G4ParticleGun(1);
50 G4ParticleDefinition* particle = G4ParticleT
51 fParticleGun->SetParticleDefinition(particle
52 fParticleGun->SetParticleEnergy(4 * MeV);
53 fParticleGun->SetParticlePosition(G4ThreeVec
54 fParticleGun->SetParticleMomentumDirection(G
55
56 // create a messenger for this class
57 fGunMessenger = new PrimaryGeneratorMessenge
58 }
59
60 //....oooOO0OOooo........oooOO0OOooo........oo
61
62 PrimaryGeneratorAction::~PrimaryGeneratorActio
63 {
64 delete fParticleGun;
65 delete fGunMessenger;
66 }
67
68 //....oooOO0OOooo........oooOO0OOooo........oo
69
70 void PrimaryGeneratorAction::GeneratePrimaries
71 {
72 // randomize the beam, if requested.
73 //
74 if (fRndmBeam) {
75 // distribution uniform in solid angle
76 //
77 G4double cosTheta = 2 * G4UniformRand() -
78 G4double sinTheta = std::sqrt(1. - cosThet
79 G4double ux = sinTheta * std::cos(phi), uy
80 fParticleGun->SetParticleMomentumDirection
81 }
82
83 fParticleGun->GeneratePrimaryVertex(anEvent)
84 }
85
86 //....oooOO0OOooo........oooOO0OOooo........oo
87