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25 // 22 //
26 /// \file electromagnetic/TestEm12/src/Primary << 23 // $Id: PrimaryGeneratorAction.cc,v 1.1 2005/07/22 11:08:48 maire Exp $
27 /// \brief Implementation of the PrimaryGenera << 24 // GEANT4 tag $Name: geant4-08-00 $
28 // <<
29 // 25 //
30 //....oooOO0OOooo........oooOO0OOooo........oo 26 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 27 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 28
33 #include "PrimaryGeneratorAction.hh" 29 #include "PrimaryGeneratorAction.hh"
34 30
>> 31 #include "DetectorConstruction.hh"
35 #include "PrimaryGeneratorMessenger.hh" 32 #include "PrimaryGeneratorMessenger.hh"
36 33
37 #include "G4Event.hh" 34 #include "G4Event.hh"
38 #include "G4ParticleDefinition.hh" <<
39 #include "G4ParticleGun.hh" 35 #include "G4ParticleGun.hh"
40 #include "G4ParticleTable.hh" 36 #include "G4ParticleTable.hh"
41 #include "G4PhysicalConstants.hh" << 37 #include "G4ParticleDefinition.hh"
42 #include "G4SystemOfUnits.hh" <<
43 #include "Randomize.hh" 38 #include "Randomize.hh"
44 39
45 //....oooOO0OOooo........oooOO0OOooo........oo 40 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
46 41
47 PrimaryGeneratorAction::PrimaryGeneratorAction << 42 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det)
>> 43 :detector(det)
48 { 44 {
49 fParticleGun = new G4ParticleGun(1); << 45 particleGun = new G4ParticleGun(1);
50 G4ParticleDefinition* particle = G4ParticleT << 46 G4ParticleDefinition* particle
51 fParticleGun->SetParticleDefinition(particle << 47 = G4ParticleTable::GetParticleTable()->FindParticle("e-");
52 fParticleGun->SetParticleEnergy(4 * MeV); << 48 particleGun->SetParticleDefinition(particle);
53 fParticleGun->SetParticlePosition(G4ThreeVec << 49 particleGun->SetParticleEnergy(4*MeV);
54 fParticleGun->SetParticleMomentumDirection(G << 50 particleGun->SetParticlePosition(G4ThreeVector());
55 << 51 particleGun->SetParticleMomentumDirection(G4ThreeVector(1,0,0));
56 // create a messenger for this class << 52
57 fGunMessenger = new PrimaryGeneratorMessenge << 53 rndmBeam = true;
>> 54
>> 55 //create a messenger for this class
>> 56 gunMessenger = new PrimaryGeneratorMessenger(this);
58 } 57 }
59 58
60 //....oooOO0OOooo........oooOO0OOooo........oo 59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61 60
62 PrimaryGeneratorAction::~PrimaryGeneratorActio 61 PrimaryGeneratorAction::~PrimaryGeneratorAction()
63 { 62 {
64 delete fParticleGun; << 63 delete particleGun;
65 delete fGunMessenger; << 64 delete gunMessenger;
66 } 65 }
67 66
68 //....oooOO0OOooo........oooOO0OOooo........oo 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
69 68
70 void PrimaryGeneratorAction::GeneratePrimaries 69 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
71 { << 70 {
72 // randomize the beam, if requested. << 71 //randomize the beam, if requested.
73 // 72 //
74 if (fRndmBeam) { << 73 if (rndmBeam)
75 // distribution uniform in solid angle << 74 {
76 // << 75 //distribution uniform in solid angle
77 G4double cosTheta = 2 * G4UniformRand() - << 76 //
78 G4double sinTheta = std::sqrt(1. - cosThet << 77 G4double cosTheta = 2*G4UniformRand() - 1., phi = twopi*G4UniformRand();
79 G4double ux = sinTheta * std::cos(phi), uy << 78 G4double sinTheta = std::sqrt(1. - cosTheta*cosTheta);
80 fParticleGun->SetParticleMomentumDirection << 79 G4double ux = sinTheta*std::cos(phi),
81 } << 80 uy = sinTheta*std::sin(phi),
>> 81 uz = cosTheta;
>> 82 particleGun->SetParticleMomentumDirection(G4ThreeVector(ux,uy,uz));
>> 83 }
82 84
83 fParticleGun->GeneratePrimaryVertex(anEvent) << 85 particleGun->GeneratePrimaryVertex(anEvent);
84 } 86 }
85 87
86 //....oooOO0OOooo........oooOO0OOooo........oo 88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 89
87 90