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25 //
26 /// \file hadronic/Hadr01/src/PrimaryGenerator
27 /// \brief Implementation of the PrimaryGenera
28 //
29 //
30 //////////////////////////////////////////////
31 //
32 // PrimaryGeneratorAction
33 //
34 // Created: 31.01.03 V.Ivanchenko
35 //
36 // Modified:
37 // 04.06.2006 Adoptation of Hadr01 (V.Ivanchen
38 // 16.11.2006 Add option allowing to have user
39 //
40 //////////////////////////////////////////////
41 //
42
43 #include "PrimaryGeneratorAction.hh"
44
45 #include "HistoManager.hh"
46
47 #include "G4ParticleGun.hh"
48 #include "G4SystemOfUnits.hh"
49
50 //....oooOO0OOooo........oooOO0OOooo........oo
51
52 PrimaryGeneratorAction::PrimaryGeneratorAction
53 {
54 fParticleGun = new G4ParticleGun(1);
55 fParticleGun->SetParticleMomentumDirection(G
56 fHisto = HistoManager::GetPointer();
57 }
58
59 //....oooOO0OOooo........oooOO0OOooo........oo
60
61 PrimaryGeneratorAction::~PrimaryGeneratorActio
62 {
63 delete fParticleGun;
64 }
65
66 //....oooOO0OOooo........oooOO0OOooo........oo
67
68 void PrimaryGeneratorAction::GeneratePrimaries
69 {
70 if (fHisto->DefaultBeamPosition()) {
71 static const G4double offset = 2 * CLHEP::
72 G4double zVertex = -(offset + 0.5 * fHisto
73 fParticleGun->SetParticlePosition(G4ThreeV
74 }
75 fParticleGun->GeneratePrimaryVertex(anEvent)
76 }
77
78 //....oooOO0OOooo........oooOO0OOooo........oo
79