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Guerrieri, S. Guatelli << 26 // Authors: S. Guatelli and M. G. Pia, INFN Genova, Italy 27 // Authors (since 2007): S. Guatelli, Universi << 27 // >> 28 // Based on code developed by the undergraduate student G. Guerrieri >> 29 // Note: this is a preliminary beta-version of the code; an improved >> 30 // version will be distributed in the next Geant4 public release, compliant >> 31 // with the design in a forthcoming publication, and subject to a >> 32 // design and code review. 28 // 33 // 29 #include "G4HumanPhantomPrimaryGeneratorAction 34 #include "G4HumanPhantomPrimaryGeneratorAction.hh" 30 #include "globals.hh" << 35 #include "G4HumanPhantomConstruction.hh" 31 #include "G4SystemOfUnits.hh" << 36 #include "G4HumanPhantomPrimaryGeneratorMessenger.hh" >> 37 32 #include "G4Event.hh" 38 #include "G4Event.hh" 33 #include "G4GeneralParticleSource.hh" << 39 #include "G4ParticleGun.hh" 34 #include "G4ParticleTable.hh" 40 #include "G4ParticleTable.hh" 35 #include "G4ParticleDefinition.hh" 41 #include "G4ParticleDefinition.hh" >> 42 #include "globals.hh" 36 43 37 #include "G4RunManager.hh" 44 #include "G4RunManager.hh" >> 45 //#ifdef G$ANALYSIS_USE >> 46 //#include "G4HumanPhantomAnalysisManager.hh" >> 47 //#endif >> 48 38 #include "G4ios.hh" 49 #include "G4ios.hh" 39 50 40 G4HumanPhantomPrimaryGeneratorAction::G4HumanP 51 G4HumanPhantomPrimaryGeneratorAction::G4HumanPhantomPrimaryGeneratorAction() >> 52 :beamKind("beamAlongZ"),worldLength(200.) 41 { 53 { 42 particleGun = new G4GeneralParticleSource(); << 54 G4int n_particle = 1; >> 55 >> 56 messenger= new G4HumanPhantomPrimaryGeneratorMessenger(this); >> 57 >> 58 particleGun = new G4ParticleGun(n_particle); >> 59 >> 60 probability.push_back(0.1667); >> 61 probability.push_back(0.1667); >> 62 probability.push_back(0.1667); >> 63 probability.push_back(0.1667); >> 64 probability.push_back(0.1666); >> 65 probability.push_back(0.1666); >> 66 >> 67 // Default Particle >> 68 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); >> 69 >> 70 particleGun->SetParticleDefinition(particleTable->FindParticle("geantino")); >> 71 particleGun->SetParticleEnergy(100.*MeV); 43 } 72 } 44 73 45 G4HumanPhantomPrimaryGeneratorAction::~G4Human 74 G4HumanPhantomPrimaryGeneratorAction::~G4HumanPhantomPrimaryGeneratorAction() 46 { 75 { 47 delete particleGun; 76 delete particleGun; >> 77 delete messenger; 48 } 78 } 49 79 50 void G4HumanPhantomPrimaryGeneratorAction::Gen 80 void G4HumanPhantomPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) 51 { 81 { 52 particleGun -> GeneratePrimaryVertex(anEvent << 82 if (beamKind == "beamAlongZ") GenerateBeamAlongZ(); >> 83 if (beamKind == "beamAlongY") GenerateBeamAlongY(); >> 84 if (beamKind == "beamAlongX") GenerateBeamAlongX(); >> 85 if (beamKind == "isotropicFlux") GenerateIsotropicFlux(); >> 86 >> 87 particleGun->SetParticlePosition(G4ThreeVector(x0, y0,z0)); >> 88 particleGun->GeneratePrimaryVertex(anEvent); >> 89 } >> 90 >> 91 void G4HumanPhantomPrimaryGeneratorAction::GenerateBeamAlongZ() >> 92 { >> 93 z0 = 0.5*(worldLength)*cm; >> 94 y0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 95 x0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 96 >> 97 //z0 = 0.5*(worldLength)*cm; >> 98 //y0 = 50. * cm + 5.*(G4UniformRand()-0.5)*cm; >> 99 //x0 = 10.*(G4UniformRand()-0.5)*cm; >> 100 >> 101 G4ThreeVector direction(0.,0.,-1.); >> 102 >> 103 >> 104 particleGun->SetParticleMomentumDirection(direction); >> 105 } >> 106 >> 107 void G4HumanPhantomPrimaryGeneratorAction::GenerateBeamAlongX() >> 108 { >> 109 x0 = -0.5*(worldLength)*cm; >> 110 y0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 111 z0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 112 >> 113 G4ThreeVector direction(1.,0.,0.); >> 114 particleGun->SetParticleMomentumDirection(direction); >> 115 } >> 116 void G4HumanPhantomPrimaryGeneratorAction::GenerateBeamAlongY() >> 117 { >> 118 y0 = 0.5*(worldLength)*cm; >> 119 x0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 120 z0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 121 >> 122 G4ThreeVector direction(0.,-1.,0.); >> 123 particleGun->SetParticleMomentumDirection(direction); >> 124 } >> 125 >> 126 void G4HumanPhantomPrimaryGeneratorAction::GenerateIsotropicFlux() >> 127 { >> 128 G4double random = G4UniformRand(); >> 129 G4double sum = 0.; >> 130 G4int i = 0; >> 131 >> 132 while(sum<random){sum += probability[i]; i++;} >> 133 >> 134 if(i==1) >> 135 { >> 136 z0 = -0.5*(worldLength-2.)*cm; >> 137 y0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 138 x0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 139 } >> 140 >> 141 if(i==2) >> 142 { >> 143 y0 = -0.5*(worldLength-2.)*cm; >> 144 z0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 145 x0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 146 } >> 147 >> 148 if(i==3) >> 149 { >> 150 x0 = -0.5*(worldLength-2.)*cm; >> 151 z0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 152 y0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 153 } >> 154 >> 155 if (i==4) >> 156 { >> 157 z0 = 0.5*(worldLength-2.)*cm; >> 158 y0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 159 x0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 160 } >> 161 >> 162 if(i==5) >> 163 { >> 164 y0 = 0.5*(worldLength-2.)*cm; >> 165 z0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 166 x0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 167 } >> 168 >> 169 if(i==6) >> 170 { >> 171 x0 = 0.5*(worldLength-2.)*cm; >> 172 z0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 173 y0 = (worldLength)*(G4UniformRand()-0.5)*cm; >> 174 } >> 175 >> 176 G4double a,b,c; >> 177 G4double n; >> 178 do{ >> 179 a = (G4UniformRand()-0.5)/0.5; >> 180 b = (G4UniformRand()-0.5)/0.5; >> 181 c = (G4UniformRand()-0.5)/0.5; >> 182 n = a*a+b*b+c*c; >> 183 }while(n > 1 || n == 0.0); >> 184 n = std::sqrt(n); >> 185 a /= n; >> 186 b /= n; >> 187 c /= n; >> 188 >> 189 G4ThreeVector direction(a,b,c); >> 190 particleGun->SetParticleMomentumDirection(direction); >> 191 } >> 192 >> 193 void G4HumanPhantomPrimaryGeneratorAction::SetBeam(G4String beam) >> 194 { >> 195 if((beam == "beamAlongZ")||(beam == "beamAlongX")|| >> 196 (beam == "beamAlongY")||(beam == "isotropicFlux")) beamKind = beam; >> 197 >> 198 else G4cout<<"This option is not valid "<< >> 199 "---> beamAlongZ/beamAlongY/beamAlongX/isotropicFlux" >> 200 <<G4endl; 53 } 201 } 54 202 55 203