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PrimaryGeneratorAction.cc
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28 //
29 // $Id$
30 //
32 //
33 // TestEm8: Gaseous detector
34 //
35 // Created: 31.08.2010 V.Ivanchenko
36 //
37 // Modified:
38 //
40 //
41 
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44 
45 #include "PrimaryGeneratorAction.hh"
46 #include "G4Event.hh"
47 #include "G4Electron.hh"
48 #include "G4SystemOfUnits.hh"
49 
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51 
52 PrimaryGeneratorAction::PrimaryGeneratorAction()
53 {
54  fParticleGun = new G4ParticleGun(1);
55  fParticleGun->SetParticleDefinition(G4Electron::Electron());
56  fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
57  fParticleGun->SetParticleEnergy(1.*GeV);
58 }
59 
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61 
62 PrimaryGeneratorAction::~PrimaryGeneratorAction()
63 {
64  delete fParticleGun;
65 }
66 
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68 
69 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
70 {
71  if(0 == anEvent->GetEventID()) {
72  G4cout << "### PrimaryGeneratorAction::GeneratePrimaries ##########" << G4endl;
73  G4cout << "### " << fParticleGun->GetParticleDefinition()->GetParticleName()
74  << " E(MeV)= " << fParticleGun->GetParticleEnergy()/MeV << G4endl;
75  G4cout << "########################################################"
76  << G4endl;
77 
78  }
79  fParticleGun->GeneratePrimaryVertex(anEvent);
80 }
81 
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83 
84 void PrimaryGeneratorAction::SetPositionZ(G4double z)
85 {
86  fParticleGun->SetParticlePosition(G4ThreeVector(0.,0.,z));
87 }
88 
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