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26 /// \file electromagnetic/TestEm11/src/Primary << 26 // $Id: PrimaryGeneratorAction.cc,v 1.2 2006/06/29 16:40:40 gunter Exp $
27 /// \brief Implementation of the PrimaryGenera << 27 // GEANT4 tag $Name: geant4-08-03-patch-02 $
28 // <<
29 // 28 //
30 //....oooOO0OOooo........oooOO0OOooo........oo 29 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 31
33 #include "PrimaryGeneratorAction.hh" 32 #include "PrimaryGeneratorAction.hh"
34 33
35 #include "DetectorConstruction.hh" 34 #include "DetectorConstruction.hh"
36 #include "PrimaryGeneratorMessenger.hh" 35 #include "PrimaryGeneratorMessenger.hh"
37 36
38 #include "G4Event.hh" 37 #include "G4Event.hh"
39 #include "G4ParticleDefinition.hh" <<
40 #include "G4ParticleGun.hh" 38 #include "G4ParticleGun.hh"
41 #include "G4ParticleTable.hh" 39 #include "G4ParticleTable.hh"
42 #include "G4SystemOfUnits.hh" << 40 #include "G4ParticleDefinition.hh"
43 #include "Randomize.hh" 41 #include "Randomize.hh"
44 42
45 //....oooOO0OOooo........oooOO0OOooo........oo 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
46 44
47 PrimaryGeneratorAction::PrimaryGeneratorAction << 45 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det)
>> 46 :detector(det)
48 { 47 {
49 fParticleGun = new G4ParticleGun(1); << 48 particleGun = new G4ParticleGun(1);
50 SetDefaultKinematic(); << 49 G4ParticleDefinition* particle
51 << 50 = G4ParticleTable::GetParticleTable()->FindParticle("e-");
52 // create a messenger for this class << 51 particleGun->SetParticleDefinition(particle);
53 fGunMessenger = new PrimaryGeneratorMessenge << 52 particleGun->SetParticleEnergy(500*keV);
>> 53 particleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
>> 54
>> 55 rndmBeam = 0.;
>> 56
>> 57 //create a messenger for this class
>> 58 gunMessenger = new PrimaryGeneratorMessenger(this);
54 } 59 }
55 60
56 //....oooOO0OOooo........oooOO0OOooo........oo 61 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57 62
58 PrimaryGeneratorAction::~PrimaryGeneratorActio 63 PrimaryGeneratorAction::~PrimaryGeneratorAction()
59 { 64 {
60 delete fParticleGun; << 65 delete particleGun;
61 delete fGunMessenger; << 66 delete gunMessenger;
62 } 67 }
63 68
64 //....oooOO0OOooo........oooOO0OOooo........oo 69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65 70
66 void PrimaryGeneratorAction::SetDefaultKinemat <<
67 { <<
68 G4ParticleDefinition* particle = G4ParticleT <<
69 fParticleGun->SetParticleDefinition(particle <<
70 fParticleGun->SetParticleEnergy(500 * keV); <<
71 fParticleGun->SetParticleMomentumDirection(G <<
72 G4double position = -0.4999 * (fDetector->Ge <<
73 fParticleGun->SetParticlePosition(G4ThreeVec <<
74 } <<
75 //....oooOO0OOooo........oooOO0OOooo........oo <<
76 <<
77 void PrimaryGeneratorAction::GeneratePrimaries 71 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
78 { 72 {
79 // this function is called at the begining o << 73 //this function is called at the begining of event
80 <<
81 // randomize the beam, if requested. <<
82 // 74 //
83 if (fRndmBeam > 0.) { << 75 G4double x0 = -0.5*(detector->GetAbsorSizeX());
84 G4ThreeVector oldPosition = fParticleGun-> << 76 G4double y0 = 0.*cm, z0 = 0.*cm;
85 if (fRndmBeam > fDetector->GetAbsorSizeYZ( << 77
86 G4double rbeam = 0.5 * fRndmBeam; << 78 //randomize the beam, if requested.
87 G4double x0 = oldPosition.x(); << 79 //
88 G4double y0 = oldPosition.y() + (2 * G4Uni << 80 if (rndmBeam > 0.)
89 G4double z0 = oldPosition.z() + (2 * G4Uni << 81 {
90 fParticleGun->SetParticlePosition(G4ThreeV << 82 if (rndmBeam > detector->GetAbsorSizeYZ())
91 fParticleGun->GeneratePrimaryVertex(anEven << 83 rndmBeam = detector->GetAbsorSizeYZ();
92 fParticleGun->SetParticlePosition(oldPosit << 84 G4double rbeam = 0.5*rndmBeam;
93 } << 85 y0 = (2*G4UniformRand()-1.)*rbeam;
94 << 86 z0 = (2*G4UniformRand()-1.)*rbeam;
95 else << 87 }
96 fParticleGun->GeneratePrimaryVertex(anEven << 88 particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
>> 89 particleGun->GeneratePrimaryVertex(anEvent);
97 } 90 }
98 91
99 //....oooOO0OOooo........oooOO0OOooo........oo 92 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 93
100 94