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26 /// \file medical/electronScattering/src/Prima 26 /// \file medical/electronScattering/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 "DetectorConstruction.hh" 35 #include "DetectorConstruction.hh"
36 #include "PrimaryGeneratorMessenger.hh" 36 #include "PrimaryGeneratorMessenger.hh"
37 37
38 #include "G4Event.hh" 38 #include "G4Event.hh"
39 #include "G4ParticleDefinition.hh" <<
40 #include "G4ParticleTable.hh" 39 #include "G4ParticleTable.hh"
>> 40 #include "G4ParticleDefinition.hh"
41 #include "G4SystemOfUnits.hh" 41 #include "G4SystemOfUnits.hh"
42 #include "Randomize.hh" 42 #include "Randomize.hh"
43 43
44 //....oooOO0OOooo........oooOO0OOooo........oo 44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
45 45
46 PrimaryGeneratorAction::PrimaryGeneratorAction 46 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* DC)
47 : fParticleGun(0), fDetector(DC), fGunMessen << 47 :fParticleGun(0), fDetector(DC), fGunMessenger(0)
48 { 48 {
49 fParticleGun = new G4ParticleGun(1); << 49 fParticleGun = new G4ParticleGun(1);
50 50
51 G4ParticleTable* particleTable = G4ParticleT 51 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
52 G4ParticleDefinition* particle = particleTab 52 G4ParticleDefinition* particle = particleTable->FindParticle("e-");
53 fParticleGun->SetParticleDefinition(particle 53 fParticleGun->SetParticleDefinition(particle);
54 fParticleGun->SetParticleEnergy(20. * MeV); << 54 fParticleGun->SetParticleEnergy(20.*MeV);
55 fZ0 = -0.5 * (fDetector->GetThicknessWorld() << 55 fZ0 = -0.5*(fDetector->GetThicknessWorld());
56 fParticleGun->SetParticlePosition(G4ThreeVec << 56 fParticleGun->SetParticlePosition(G4ThreeVector(0*cm, 0*cm, fZ0));
57 fParticleGun->SetParticleMomentumDirection(G << 57 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
58 << 58
59 G4double radiusWorld = fDetector->GetRadiusW 59 G4double radiusWorld = fDetector->GetRadiusWorld();
60 fR2World = radiusWorld * radiusWorld; << 60 fR2World = radiusWorld*radiusWorld;
61 fRndmBeam = 420 * um; << 61 fRndmBeam = 420*um;
62 << 62
63 // create a messenger for this class << 63 //create a messenger for this class
64 fGunMessenger = new PrimaryGeneratorMessenge 64 fGunMessenger = new PrimaryGeneratorMessenger(this);
65 } 65 }
66 66
67 //....oooOO0OOooo........oooOO0OOooo........oo 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
68 68
69 PrimaryGeneratorAction::~PrimaryGeneratorActio 69 PrimaryGeneratorAction::~PrimaryGeneratorAction()
70 { 70 {
71 delete fParticleGun; 71 delete fParticleGun;
72 delete fGunMessenger; << 72 delete fGunMessenger;
73 } 73 }
74 74
75 //....oooOO0OOooo........oooOO0OOooo........oo 75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
76 76
77 void PrimaryGeneratorAction::GeneratePrimaries 77 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
78 { 78 {
79 // this function is called at the begining o << 79 //this function is called at the begining of event
80 // 80 //
81 // randomize beam, if requested. << 81 //randomize beam, if requested.
82 if (fRndmBeam > 0.) { 82 if (fRndmBeam > 0.) {
83 G4double s_proj = fRndmBeam / std::sqrt(2. << 83 G4double s_proj = fRndmBeam/std::sqrt(2.);
84 G4double x0, y0; << 84 G4double x0, y0;
85 do { 85 do {
86 x0 = G4RandGauss::shoot(0., s_proj); << 86 x0 = G4RandGauss::shoot(0.,s_proj);
87 y0 = G4RandGauss::shoot(0., s_proj); << 87 y0 = G4RandGauss::shoot(0.,s_proj);
88 } while ((x0 * x0 + y0 * y0) > fR2World); << 88 } while ((x0*x0 + y0*y0) > fR2World);
89 fParticleGun->SetParticlePosition(G4ThreeV << 89 fParticleGun->SetParticlePosition(G4ThreeVector(x0,y0,fZ0));
90 } 90 }
91 << 91
92 fParticleGun->GeneratePrimaryVertex(anEvent) << 92 fParticleGun->GeneratePrimaryVertex(anEvent);
93 } 93 }
94 94
95 //....oooOO0OOooo........oooOO0OOooo........oo 95 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
96 96