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27 /// \file medical/GammaTherapy/src/PrimaryGene 27 /// \file medical/GammaTherapy/src/PrimaryGeneratorAction.cc
28 /// \brief Implementation of the PrimaryGenera 28 /// \brief Implementation of the PrimaryGeneratorAction class
29 // 29 //
30 30
31 //-------------------------------------------- 31 //---------------------------------------------------------------------------
32 // 32 //
33 // ClassName: PrimaryGeneratorAction 33 // ClassName: PrimaryGeneratorAction
34 // 34 //
35 // Description: Generate primary beam 35 // Description: Generate primary beam
36 // 36 //
37 // Authors: V.Grichine, V.Ivanchenko 37 // Authors: V.Grichine, V.Ivanchenko
38 // 38 //
39 // Modified: 39 // Modified:
40 // 40 //
41 //-------------------------------------------- 41 //----------------------------------------------------------------------------
42 // 42 //
43 43
44 #include "PrimaryGeneratorAction.hh" 44 #include "PrimaryGeneratorAction.hh"
45 <<
46 #include "DetectorConstruction.hh" 45 #include "DetectorConstruction.hh"
47 #include "PrimaryGeneratorMessenger.hh" 46 #include "PrimaryGeneratorMessenger.hh"
48 << 47 #include "Randomize.hh"
49 #include "G4ParticleDefinition.hh" <<
50 #include "G4ParticleGun.hh" 48 #include "G4ParticleGun.hh"
51 #include "G4ParticleTable.hh" 49 #include "G4ParticleTable.hh"
>> 50 #include "G4ParticleDefinition.hh"
52 #include "G4PhysicalConstants.hh" 51 #include "G4PhysicalConstants.hh"
53 #include "G4SystemOfUnits.hh" 52 #include "G4SystemOfUnits.hh"
54 #include "Randomize.hh" <<
55 53
56 //....oooOO0OOooo........oooOO0OOooo........oo 54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
57 //....oooOO0OOooo........oooOO0OOooo........oo 55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
58 56
59 PrimaryGeneratorAction::PrimaryGeneratorAction << 57 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* pDet):
>> 58 fDetector(pDet)
60 { 59 {
61 InitializeMe(); 60 InitializeMe();
62 } 61 }
63 62
64 //....oooOO0OOooo........oooOO0OOooo........oo 63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
65 64
66 void PrimaryGeneratorAction::InitializeMe() 65 void PrimaryGeneratorAction::InitializeMe()
67 { 66 {
68 fVerbose = fDetector->GetVerbose(); 67 fVerbose = fDetector->GetVerbose();
69 fMessenger = new PrimaryGeneratorMessenger(t 68 fMessenger = new PrimaryGeneratorMessenger(this);
70 fParticleGun = new G4ParticleGun(); 69 fParticleGun = new G4ParticleGun();
71 fCounter = 0; 70 fCounter = 0;
72 fX0 = 0.0; 71 fX0 = 0.0;
73 fY0 = 0.0; 72 fY0 = 0.0;
74 fZ0 = 0.0; 73 fZ0 = 0.0;
75 fSigmaX = 1.5 * mm; << 74 fSigmaX = 1.5*mm;
76 fSigmaY = 1.5 * mm; << 75 fSigmaY = 1.5*mm;
77 fSigmaZ = 0.0; 76 fSigmaZ = 0.0;
78 fSigmaE = 0.0; 77 fSigmaE = 0.0;
79 fRMax2 = 2.5 * 2.5 * mm * mm; << 78 fRMax2 = 2.5*2.5*mm*mm;
80 fSigmaTheta = 0.0; 79 fSigmaTheta = 0.0;
81 // fSigmaTheta = 0.17*degree; 80 // fSigmaTheta = 0.17*degree;
82 fMinCosTheta = 2.0; 81 fMinCosTheta = 2.0;
83 SetBeamEnergy(50.0 * MeV); << 82 SetBeamEnergy(50.0*MeV);
84 fPosition = G4ThreeVector(fX0, fY0, fZ0); << 83 fPosition = G4ThreeVector(fX0,fY0,fZ0);
85 fDirection = G4ThreeVector(0.0, 0.0, 1.0); << 84 fDirection = G4ThreeVector(0.0,0.0,1.0);
86 fGauss = true; 85 fGauss = true;
87 } 86 }
88 87
89 //....oooOO0OOooo........oooOO0OOooo........oo 88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
90 89
91 PrimaryGeneratorAction::~PrimaryGeneratorActio 90 PrimaryGeneratorAction::~PrimaryGeneratorAction()
92 { 91 {
93 delete fParticleGun; 92 delete fParticleGun;
94 delete fMessenger; 93 delete fMessenger;
95 } 94 }
96 95
97 //....oooOO0OOooo........oooOO0OOooo........oo 96 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
98 97
99 void PrimaryGeneratorAction::GeneratePrimaries 98 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
100 { 99 {
101 fCounter++; << 100 fCounter++ ;
102 101
103 // Simulation of beam position 102 // Simulation of beam position
104 G4double x = fX0; 103 G4double x = fX0;
105 G4double y = fY0; 104 G4double y = fY0;
106 G4double z = fDetector->GetGeneratorPosZ(); 105 G4double z = fDetector->GetGeneratorPosZ();
107 do { 106 do {
108 if (0.0 < fSigmaX) { << 107 if(0.0 < fSigmaX) { x = G4RandGauss::shoot(fX0,fSigmaX); }
109 x = G4RandGauss::shoot(fX0, fSigmaX); << 108 if(0.0 < fSigmaY) { y = G4RandGauss::shoot(fY0,fSigmaY); }
110 } << 109 } while (x*x + y*y > fRMax2);
111 if (0.0 < fSigmaY) { <<
112 y = G4RandGauss::shoot(fY0, fSigmaY); <<
113 } <<
114 } while (x * x + y * y > fRMax2); <<
115 110
116 fPosition = G4ThreeVector(x, y, z); << 111 fPosition = G4ThreeVector(x,y,z);
117 fParticleGun->SetParticlePosition(fPosition) 112 fParticleGun->SetParticlePosition(fPosition);
118 113
119 // Simulation of beam direction 114 // Simulation of beam direction
120 G4double ux = fDirection.x(); 115 G4double ux = fDirection.x();
121 G4double uy = fDirection.y(); 116 G4double uy = fDirection.y();
122 G4double uz = fDirection.z(); 117 G4double uz = fDirection.z();
123 118
124 // Beam particles are uniformly distributed 119 // Beam particles are uniformly distributed over phi, cosTheta
125 if (1.0 > fMinCosTheta) { << 120 if(1.0 > fMinCosTheta) {
126 uz = fMinCosTheta + (1.0 - fMinCosTheta) * << 121 uz = fMinCosTheta + (1.0 - fMinCosTheta)*G4UniformRand() ;
127 ux = std::sqrt((1.0 - uz) * (1.0 + uz)); << 122 ux = std::sqrt((1.0 - uz)*(1.0 + uz)) ;
128 } << 123 } else if (fSigmaTheta > 0.0) {
129 else if (fSigmaTheta > 0.0) { << 124 ux = G4RandGauss::shoot(0.0,fSigmaTheta);
130 ux = G4RandGauss::shoot(0.0, fSigmaTheta); << 125 uz = std::sqrt((1.0 - ux)*(1.0 + ux));
131 uz = std::sqrt((1.0 - ux) * (1.0 + ux)); <<
132 } 126 }
133 127
134 G4double phi = twopi * G4UniformRand(); << 128 G4double phi = twopi*G4UniformRand() ;
135 uy = ux; 129 uy = ux;
136 ux *= std::cos(phi); << 130 ux *= std::cos(phi) ;
137 uy *= std::sin(phi); << 131 uy *= std::sin(phi) ;
138 fDirection = G4ThreeVector(ux, uy, uz); << 132 fDirection = G4ThreeVector(ux,uy,uz) ;
139 133
140 fParticleGun->SetParticleMomentumDirection(f 134 fParticleGun->SetParticleMomentumDirection(fDirection);
141 135
142 // Simulation of beam kinetic energy 136 // Simulation of beam kinetic energy
143 G4double kinEnergy = fEnergy; 137 G4double kinEnergy = fEnergy;
144 138
145 if (fGauss == "flatE") { << 139 if(fGauss == "flatE") {
146 kinEnergy = fEnergy - fSigmaE + 2. * fSigm << 140 kinEnergy = fEnergy - fSigmaE + 2.*fSigmaE*G4UniformRand();
147 } << 141 } else if(0.0 < fSigmaE) {
148 else if (0.0 < fSigmaE) { << 142 kinEnergy = fEnergy + G4RandGauss::shoot(0.0,fSigmaE);
149 kinEnergy = fEnergy + G4RandGauss::shoot(0 <<
150 } 143 }
151 fParticleGun->SetParticleEnergy(kinEnergy); 144 fParticleGun->SetParticleEnergy(kinEnergy);
152 145
153 if (fVerbose > 0) { << 146 if(fVerbose > 0) {
154 G4ParticleDefinition* particle = fParticle 147 G4ParticleDefinition* particle = fParticleGun->GetParticleDefinition();
155 G4String particleName = particle->GetParti << 148 G4String particleName = particle->GetParticleName() ;
156 G4cout << "Event# " << fCounter << " Bea << 149 G4cout << "Event# " << fCounter
>> 150 << " Beam particle is generated by PrimaryGeneratorAction "
157 << G4endl; 151 << G4endl;
158 G4cout << "ParticleName= " << particleName << 152 G4cout << "ParticleName= " << particleName
159 << std::setprecision(5) << " KinE << 153 << " PDGcode= " << particle->GetPDGEncoding()
160 << " x(mm)= " << x / mm << " y(mm << 154 << std::setprecision(5)
161 << " ux= " << ux << " uy= " << uy << 155 << " KinEnergy(GeV)= "
162 } << 156 << fEnergy/GeV
>> 157 << " x(mm)= "
>> 158 << x/mm
>> 159 << " y(mm)= "
>> 160 << y/mm
>> 161 << " z(mm)= "
>> 162 << z/mm
>> 163 << " ux= "
>> 164 << ux
>> 165 << " uy= "
>> 166 << uy
>> 167 << " uz= "
>> 168 << uz
>> 169 << G4endl;
>> 170 }
163 171
164 fParticleGun->GeneratePrimaryVertex(anEvent) 172 fParticleGun->GeneratePrimaryVertex(anEvent);
165 } 173 }
166 174
167 //....oooOO0OOooo........oooOO0OOooo........oo 175 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
168 176
169 void PrimaryGeneratorAction::SetBeamEnergy(G4d 177 void PrimaryGeneratorAction::SetBeamEnergy(G4double val)
170 { 178 {
171 fEnergy = val; 179 fEnergy = val;
172 if (fEnergy < fDetector->GetMaxEnergy()) fDe << 180 if(fEnergy<fDetector->GetMaxEnergy()) fDetector->SetMaxEnergy(fEnergy);
173 } 181 }
174 182
175 //....oooOO0OOooo........oooOO0OOooo........oo 183 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 184
>> 185
>> 186
176 187