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26 /// \file electromagnetic/TestEm12/src/Primary 26 /// \file electromagnetic/TestEm12/src/PrimaryGeneratorAction.cc
27 /// \brief Implementation of the PrimaryGenera 27 /// \brief Implementation of the PrimaryGeneratorAction class
28 // 28 //
29 // 29 //
30 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 32
33 #include "PrimaryGeneratorAction.hh" 33 #include "PrimaryGeneratorAction.hh"
34 34
35 #include "PrimaryGeneratorMessenger.hh" 35 #include "PrimaryGeneratorMessenger.hh"
36 36
37 #include "G4Event.hh" 37 #include "G4Event.hh"
38 #include "G4ParticleDefinition.hh" <<
39 #include "G4ParticleGun.hh" 38 #include "G4ParticleGun.hh"
40 #include "G4ParticleTable.hh" 39 #include "G4ParticleTable.hh"
>> 40 #include "G4ParticleDefinition.hh"
41 #include "G4PhysicalConstants.hh" 41 #include "G4PhysicalConstants.hh"
42 #include "G4SystemOfUnits.hh" 42 #include "G4SystemOfUnits.hh"
43 #include "Randomize.hh" 43 #include "Randomize.hh"
44 44
45 //....oooOO0OOooo........oooOO0OOooo........oo 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
46 46
47 PrimaryGeneratorAction::PrimaryGeneratorAction 47 PrimaryGeneratorAction::PrimaryGeneratorAction()
>> 48 :G4VUserPrimaryGeneratorAction(),
>> 49 fParticleGun(0),
>> 50 fRndmBeam(0),
>> 51 fGunMessenger(0)
48 { 52 {
49 fParticleGun = new G4ParticleGun(1); << 53 fParticleGun = new G4ParticleGun(1);
50 G4ParticleDefinition* particle = G4ParticleT << 54 G4ParticleDefinition* particle
>> 55 = G4ParticleTable::GetParticleTable()->FindParticle("e-");
51 fParticleGun->SetParticleDefinition(particle 56 fParticleGun->SetParticleDefinition(particle);
52 fParticleGun->SetParticleEnergy(4 * MeV); << 57 fParticleGun->SetParticleEnergy(4*MeV);
53 fParticleGun->SetParticlePosition(G4ThreeVec 58 fParticleGun->SetParticlePosition(G4ThreeVector());
54 fParticleGun->SetParticleMomentumDirection(G << 59 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(1,0,0));
55 << 60
56 // create a messenger for this class << 61 fRndmBeam = true;
57 fGunMessenger = new PrimaryGeneratorMessenge << 62
>> 63 //create a messenger for this class
>> 64 fGunMessenger = new PrimaryGeneratorMessenger(this);
58 } 65 }
59 66
60 //....oooOO0OOooo........oooOO0OOooo........oo 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61 68
62 PrimaryGeneratorAction::~PrimaryGeneratorActio 69 PrimaryGeneratorAction::~PrimaryGeneratorAction()
63 { 70 {
64 delete fParticleGun; 71 delete fParticleGun;
65 delete fGunMessenger; << 72 delete fGunMessenger;
66 } 73 }
67 74
68 //....oooOO0OOooo........oooOO0OOooo........oo 75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
69 76
70 void PrimaryGeneratorAction::GeneratePrimaries 77 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
71 { << 78 {
72 // randomize the beam, if requested. << 79 //randomize the beam, if requested.
73 // 80 //
74 if (fRndmBeam) { << 81 if (fRndmBeam)
75 // distribution uniform in solid angle << 82 {
76 // << 83 //distribution uniform in solid angle
77 G4double cosTheta = 2 * G4UniformRand() - << 84 //
78 G4double sinTheta = std::sqrt(1. - cosThet << 85 G4double cosTheta = 2*G4UniformRand() - 1., phi = twopi*G4UniformRand();
79 G4double ux = sinTheta * std::cos(phi), uy << 86 G4double sinTheta = std::sqrt(1. - cosTheta*cosTheta);
80 fParticleGun->SetParticleMomentumDirection << 87 G4double ux = sinTheta*std::cos(phi),
81 } << 88 uy = sinTheta*std::sin(phi),
>> 89 uz = cosTheta;
>> 90 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(ux,uy,uz));
>> 91 }
82 92
83 fParticleGun->GeneratePrimaryVertex(anEvent) 93 fParticleGun->GeneratePrimaryVertex(anEvent);
84 } 94 }
85 95
86 //....oooOO0OOooo........oooOO0OOooo........oo 96 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 97
87 98