| Geant4 Cross Reference |
1 // 1
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25 //
26 //
27 /// \file PrimaryGeneratorAction.cc
28 /// \brief Implementation of the PrimaryGenera
29
30 #include "PrimaryGeneratorAction.hh"
31
32 #include "G4ParticleGun.hh"
33 #include "Randomize.hh"
34
35 //....oooOO0OOooo........oooOO0OOooo........oo
36
37 PrimaryGeneratorAction::PrimaryGeneratorAction
38 : G4VUserPrimaryGeneratorAction(), fpParticl
39 {
40 G4int n_particle = 1;
41 fpParticleGun.reset(new G4ParticleGun(n_part
42
43 // default gun parameters
44 fpParticleGun->SetParticleEnergy(10. * CLHEP
45 fpParticleGun->SetParticleMomentumDirection(
46 fpParticleGun->SetParticlePosition(G4ThreeVe
47 }
48
49 //....oooOO0OOooo........oooOO0OOooo........oo
50
51 PrimaryGeneratorAction::~PrimaryGeneratorActio
52
53 //....oooOO0OOooo........oooOO0OOooo........oo
54
55 void PrimaryGeneratorAction::GeneratePrimaries
56 {
57 G4double randomx = -1 + 2 * G4UniformRand();
58 G4double randomy = -1 + 2 * G4UniformRand();
59 fpParticleGun->SetParticlePosition(
60 G4ThreeVector(10. * randomx * CLHEP::nm, 1
61 fpParticleGun->GeneratePrimaryVertex(anEvent
62 }
63