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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 // $Id: PrimaryGeneratorAction.cc 73024 2013-08-15 09:11:40Z gcosmo $
29 // 30 //
30 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 33
33 #include "PrimaryGeneratorAction.hh" 34 #include "PrimaryGeneratorAction.hh"
34 35
35 #include "PrimaryGeneratorMessenger.hh" 36 #include "PrimaryGeneratorMessenger.hh"
36 37
37 #include "G4Event.hh" 38 #include "G4Event.hh"
38 #include "G4ParticleDefinition.hh" <<
39 #include "G4ParticleGun.hh" 39 #include "G4ParticleGun.hh"
40 #include "G4ParticleTable.hh" 40 #include "G4ParticleTable.hh"
>> 41 #include "G4ParticleDefinition.hh"
41 #include "G4PhysicalConstants.hh" 42 #include "G4PhysicalConstants.hh"
42 #include "G4SystemOfUnits.hh" 43 #include "G4SystemOfUnits.hh"
43 #include "Randomize.hh" 44 #include "Randomize.hh"
44 45
45 //....oooOO0OOooo........oooOO0OOooo........oo 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
46 47
47 PrimaryGeneratorAction::PrimaryGeneratorAction 48 PrimaryGeneratorAction::PrimaryGeneratorAction()
>> 49 :G4VUserPrimaryGeneratorAction(),
>> 50 fParticleGun(0),
>> 51 fRndmBeam(0),
>> 52 fGunMessenger(0)
48 { 53 {
49 fParticleGun = new G4ParticleGun(1); << 54 fParticleGun = new G4ParticleGun(1);
50 G4ParticleDefinition* particle = G4ParticleT << 55 G4ParticleDefinition* particle
>> 56 = G4ParticleTable::GetParticleTable()->FindParticle("e-");
51 fParticleGun->SetParticleDefinition(particle 57 fParticleGun->SetParticleDefinition(particle);
52 fParticleGun->SetParticleEnergy(4 * MeV); << 58 fParticleGun->SetParticleEnergy(4*MeV);
53 fParticleGun->SetParticlePosition(G4ThreeVec 59 fParticleGun->SetParticlePosition(G4ThreeVector());
54 fParticleGun->SetParticleMomentumDirection(G << 60 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(1,0,0));
55 << 61
56 // create a messenger for this class << 62 fRndmBeam = true;
57 fGunMessenger = new PrimaryGeneratorMessenge << 63
>> 64 //create a messenger for this class
>> 65 fGunMessenger = new PrimaryGeneratorMessenger(this);
58 } 66 }
59 67
60 //....oooOO0OOooo........oooOO0OOooo........oo 68 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61 69
62 PrimaryGeneratorAction::~PrimaryGeneratorActio 70 PrimaryGeneratorAction::~PrimaryGeneratorAction()
63 { 71 {
64 delete fParticleGun; 72 delete fParticleGun;
65 delete fGunMessenger; << 73 delete fGunMessenger;
66 } 74 }
67 75
68 //....oooOO0OOooo........oooOO0OOooo........oo 76 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
69 77
70 void PrimaryGeneratorAction::GeneratePrimaries 78 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
71 { << 79 {
72 // randomize the beam, if requested. << 80 //randomize the beam, if requested.
73 // 81 //
74 if (fRndmBeam) { << 82 if (fRndmBeam)
75 // distribution uniform in solid angle << 83 {
76 // << 84 //distribution uniform in solid angle
77 G4double cosTheta = 2 * G4UniformRand() - << 85 //
78 G4double sinTheta = std::sqrt(1. - cosThet << 86 G4double cosTheta = 2*G4UniformRand() - 1., phi = twopi*G4UniformRand();
79 G4double ux = sinTheta * std::cos(phi), uy << 87 G4double sinTheta = std::sqrt(1. - cosTheta*cosTheta);
80 fParticleGun->SetParticleMomentumDirection << 88 G4double ux = sinTheta*std::cos(phi),
81 } << 89 uy = sinTheta*std::sin(phi),
>> 90 uz = cosTheta;
>> 91 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(ux,uy,uz));
>> 92 }
82 93
83 fParticleGun->GeneratePrimaryVertex(anEvent) 94 fParticleGun->GeneratePrimaryVertex(anEvent);
84 } 95 }
85 96
86 //....oooOO0OOooo........oooOO0OOooo........oo 97 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 98
87 99