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