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26 /// \file hadronic/Hadr01/src/PrimaryGenerator 26 /// \file hadronic/Hadr01/src/PrimaryGeneratorAction.cc
27 /// \brief Implementation of the PrimaryGenera 27 /// \brief Implementation of the PrimaryGeneratorAction class
28 // 28 //
>> 29 // $Id$
29 // 30 //
30 ////////////////////////////////////////////// 31 /////////////////////////////////////////////////////////////////////////
31 // 32 //
32 // PrimaryGeneratorAction 33 // PrimaryGeneratorAction
33 // 34 //
34 // Created: 31.01.03 V.Ivanchenko 35 // Created: 31.01.03 V.Ivanchenko
35 // 36 //
36 // Modified: 37 // Modified:
37 // 04.06.2006 Adoptation of Hadr01 (V.Ivanchen 38 // 04.06.2006 Adoptation of Hadr01 (V.Ivanchenko)
38 // 16.11.2006 Add option allowing to have user 39 // 16.11.2006 Add option allowing to have user defined beam position (VI)
39 // 40 //
40 ////////////////////////////////////////////// 41 ////////////////////////////////////////////////////////////////////////
41 // 42 //
42 43
43 #include "PrimaryGeneratorAction.hh" 44 #include "PrimaryGeneratorAction.hh"
44 <<
45 #include "HistoManager.hh" <<
46 <<
47 #include "G4ParticleGun.hh" 45 #include "G4ParticleGun.hh"
48 #include "G4SystemOfUnits.hh" 46 #include "G4SystemOfUnits.hh"
>> 47 #include "HistoManager.hh"
49 48
50 //....oooOO0OOooo........oooOO0OOooo........oo 49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
51 50
52 PrimaryGeneratorAction::PrimaryGeneratorAction << 51 PrimaryGeneratorAction::PrimaryGeneratorAction()
53 { 52 {
54 fParticleGun = new G4ParticleGun(1); << 53 fParticleGun = new G4ParticleGun(1);
55 fParticleGun->SetParticleMomentumDirection(G << 54 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
56 fHisto = HistoManager::GetPointer(); 55 fHisto = HistoManager::GetPointer();
57 } 56 }
58 57
59 //....oooOO0OOooo........oooOO0OOooo........oo 58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
60 59
61 PrimaryGeneratorAction::~PrimaryGeneratorActio 60 PrimaryGeneratorAction::~PrimaryGeneratorAction()
62 { 61 {
63 delete fParticleGun; 62 delete fParticleGun;
64 } 63 }
65 64
66 //....oooOO0OOooo........oooOO0OOooo........oo 65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67 66
68 void PrimaryGeneratorAction::GeneratePrimaries 67 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
69 { 68 {
70 if (fHisto->DefaultBeamPosition()) { << 69 if(fHisto->DefaultBeamPosition()) {
71 static const G4double offset = 2 * CLHEP:: << 70 G4double zVertex = -(5.0*mm + fHisto->Length());
72 G4double zVertex = -(offset + 0.5 * fHisto << 71 fParticleGun->SetParticlePosition(G4ThreeVector(0.,0.,zVertex));
73 fParticleGun->SetParticlePosition(G4ThreeV <<
74 } 72 }
75 fParticleGun->GeneratePrimaryVertex(anEvent) 73 fParticleGun->GeneratePrimaryVertex(anEvent);
76 } 74 }
77 75
78 //....oooOO0OOooo........oooOO0OOooo........oo 76 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
79 77