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<< 58 absorSizeX = absorSizeYZ = 20*cm; 61 fWorldSizeX = fWorldSizeYZ = 1.2 * fAbsorSiz << 59 worldSizeX = worldSizeYZ = 1.2*absorSizeX; 62 << 60 63 fTallyNumber = 0; << 61 worldMaterial = absorMaterial = 0; 64 for (G4int j = 0; j < kMaxTally; j++) { << 62 magField = 0; 65 fTallySize[j] = fTallyPosition[j] = G4Thre << 63 lAbsor = 0; 66 fTallyMass[j] = 0.; << 64 67 fLTally[j] = nullptr; << 65 tallySize = G4ThreeVector(); 68 } << 66 tallyMaterial = 0; 69 << 67 tallyMass = 0.; >> 68 tallyNumber = 0; >> 69 tallyPosition = new G4ThreeVector[MaxTally]; >> 70 lTally = 0; >> 71 70 DefineMaterials(); 72 DefineMaterials(); >> 73 SetMaterial("Water"); >> 74 SetTallyMaterial("Water"); 71 75 72 // create commands for interactive definitio << 76 // create commands for interactive definition of the detector 73 fDetectorMessenger = new DetectorMessenger(t << 77 detectorMessenger = new DetectorMessenger(this); 74 } 78 } 75 79 76 //....oooOO0OOooo........oooOO0OOooo........oo 80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 77 81 78 DetectorConstruction::~DetectorConstruction() 82 DetectorConstruction::~DetectorConstruction() >> 83 { delete [] tallyPosition; delete detectorMessenger;} >> 84 >> 85 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... >> 86 >> 87 G4VPhysicalVolume* DetectorConstruction::Construct() 79 { 88 { 80 delete fDetectorMessenger; << 89 return ConstructVolumes(); 81 } 90 } 82 91 83 //....oooOO0OOooo........oooOO0OOooo........oo 92 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 84 93 85 void DetectorConstruction::DefineMaterials() 94 void DetectorConstruction::DefineMaterials() 86 { << 95 { 87 // 96 // 88 // define Elements 97 // define Elements 89 // 98 // 90 G4double z, a; 99 G4double z, a; 91 100 92 G4Element* H = new G4Element("Hydrogen", "H" << 101 G4Element* H = new G4Element("Hydrogen", "H", z= 1, a= 1.008*g/mole); 93 G4Element* N = new G4Element("Nitrogen", "N" << 102 G4Element* N = new G4Element("Nitrogen", "N", z= 7, a= 14.01*g/mole); 94 G4Element* O = new G4Element("Oxygen", "O", << 103 G4Element* O = new G4Element("Oxygen" , "O", z= 8, a= 16.00*g/mole); 95 104 96 // 105 // 97 // define Materials. 106 // define Materials. 98 // 107 // 99 G4double density, temperature, pressure; 108 G4double density, temperature, pressure; 100 G4int ncomponents, natoms; << 109 G4int ncomponents, natoms; 101 G4double fractionmass; 110 G4double fractionmass; >> 111 >> 112 G4Material* H2O = >> 113 new G4Material("Water", density= 1.0*g/cm3, ncomponents=2); >> 114 H2O->AddElement(H, natoms=2); >> 115 H2O->AddElement(O, natoms=1); >> 116 H2O->GetIonisation()->SetMeanExcitationEnergy(75.0*eV); >> 117 >> 118 G4Material* Air = >> 119 new G4Material("Air" , density= 1.290*mg/cm3, ncomponents=2); >> 120 Air->AddElement(N, fractionmass=0.7); >> 121 Air->AddElement(O, fractionmass=0.3); 102 122 103 G4Material* H2O = new G4Material("Water", de << 123 density = 1.e-5*g/cm3; 104 H2O->AddElement(H, natoms = 2); << 124 pressure = 2.e-2*bar; 105 H2O->AddElement(O, natoms = 1); << 106 H2O->GetIonisation()->SetMeanExcitationEnerg << 107 << 108 // In this line both G4_WATER and Water_1.05 << 109 G4NistManager::Instance()->BuildMaterialWith << 110 << 111 G4Material* Air = new G4Material("Air", dens << 112 Air->AddElement(N, fractionmass = 0.7); << 113 Air->AddElement(O, fractionmass = 0.3); << 114 << 115 density = 1.e-5 * g / cm3; << 116 pressure = 2.e-2 * bar; << 117 temperature = STP_Temperature; // From Phys 125 temperature = STP_Temperature; // From PhysicalConstants.h . 118 G4Material* vac = new G4Material("TechVacuum << 126 G4Material* vac = new G4Material( "TechVacuum", density, 1, 119 vac->AddMaterial(Air, 1.); << 127 kStateGas, temperature, pressure ); >> 128 vac->AddMaterial( Air, 1. ); >> 129 >> 130 density = universe_mean_density; //from PhysicalConstants.h >> 131 pressure = 3.e-18*pascal; >> 132 temperature = 2.73*kelvin; >> 133 G4Material* vacuum = >> 134 new G4Material("Galactic",z= 1,a= 1.008*g/mole,density, >> 135 kStateGas,temperature,pressure); 120 136 121 density = universe_mean_density; // from Ph << 137 //default materials 122 pressure = 3.e-18 * pascal; << 138 worldMaterial = vacuum; 123 temperature = 2.73 * kelvin; << 124 G4Material* vacuum = new G4Material("Galacti << 125 temperat << 126 << 127 // default materials << 128 fAbsorMaterial = H2O; << 129 fWorldMaterial = vacuum; << 130 } 139 } 131 140 132 //....oooOO0OOooo........oooOO0OOooo........oo 141 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 133 << 142 134 G4VPhysicalVolume* DetectorConstruction::Const << 143 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes() 135 { 144 { 136 // World << 145 G4GeometryManager::GetInstance()->OpenGeometry(); 137 // << 146 G4PhysicalVolumeStore::GetInstance()->Clean(); 138 G4Box* sWorld = new G4Box("World", // name << 147 G4LogicalVolumeStore::GetInstance()->Clean(); 139 fWorldSizeX / 2, f << 148 G4SolidStore::GetInstance()->Clean(); 140 149 141 fLWorld = new G4LogicalVolume(sWorld, // sh << 150 // World 142 fWorldMaterial << 143 "World"); // << 144 << 145 G4VPhysicalVolume* pWorld = new G4PVPlacemen << 146 << 147 << 148 << 149 << 150 << 151 << 152 // 151 // >> 152 G4Box* >> 153 sWorld = new G4Box("World", //name >> 154 worldSizeX/2,worldSizeYZ/2,worldSizeYZ/2); //dimensions >> 155 >> 156 G4LogicalVolume* >> 157 lWorld = new G4LogicalVolume(sWorld, //shape >> 158 worldMaterial, //material >> 159 "World"); //name >> 160 >> 161 G4VPhysicalVolume* >> 162 pWorld = new G4PVPlacement(0, //no rotation >> 163 G4ThreeVector(), //at (0,0,0) >> 164 lWorld, //logical volume >> 165 "World", //name >> 166 0, //mother volume >> 167 false, //no boolean operation >> 168 0); //copy number >> 169 // 153 // Absorber 170 // Absorber 154 // << 171 // 155 G4Box* sAbsor = new G4Box("Absorber", // na << 172 G4Box* 156 fAbsorSizeX / 2, f << 173 sAbsor = new G4Box("Absorber", //name 157 << 174 absorSizeX/2,absorSizeYZ/2,absorSizeYZ/2); //dimensions 158 fLAbsor = new G4LogicalVolume(sAbsor, // sh << 175 159 fAbsorMaterial << 176 lAbsor = new G4LogicalVolume(sAbsor, //shape 160 "Absorber"); << 177 absorMaterial, //material 161 << 178 "Absorber"); //name 162 new G4PVPlacement(0, // no rotation << 179 163 G4ThreeVector(0., 0., 0.), << 180 164 fLAbsor, // logical volum << 181 new G4PVPlacement(0, //no rotation 165 "Absorber", // name << 182 G4ThreeVector(), //at (0,0,0) 166 fLWorld, // mother volum << 183 lAbsor, //logical volume 167 false, // no boolean oper << 184 "Absorber", //name 168 0); // copy number << 185 lWorld, //mother volume >> 186 false, //no boolean operation >> 187 0); //copy number 169 // 188 // 170 // Tallies (optional) 189 // Tallies (optional) 171 // 190 // 172 if (fTallyNumber > 0) { << 191 if (tallyNumber > 0) { 173 for (G4int j = 0; j < fTallyNumber; ++j) { << 192 G4Box* 174 G4Box* sTally = << 193 sTally = new G4Box("Tally",tallySize.x()/2,tallySize.y()/2,tallySize.z()/2); 175 new G4Box("Tally", fTallySize[j].x() / << 194 lTally = new G4LogicalVolume(sTally,tallyMaterial,"Tally"); 176 << 195 177 fLTally[j] = new G4LogicalVolume(sTally, << 196 for (G4int j=0; j<tallyNumber; j++) 178 << 197 { 179 new G4PVPlacement(0, // no rotation << 198 new G4PVPlacement(0, //no rotation 180 fTallyPosition[j], // << 199 tallyPosition[j], //position 181 fLTally[j], // logica << 200 lTally, //logical volume 182 "Tally", // name << 201 "Tally", //name 183 fLAbsor, // mother v << 202 lAbsor, //mother volume 184 false, // no boolean << 203 false, //no boolean operation 185 j + 1); // copy numbe << 204 j); //copy number 186 << 205 } 187 fTallyMass[j] = << 206 188 fTallySize[j].x() * fTallySize[j].y() << 207 tallyMass = tallySize.x()*tallySize.y()*tallySize.z() 189 } << 208 *(tallyMaterial->GetDensity()); 190 } << 209 } 191 210 192 PrintParameters(); 211 PrintParameters(); 193 << 212 194 // << 195 // always return the World volume << 196 // 213 // >> 214 //always return the World volume >> 215 // 197 return pWorld; 216 return pWorld; 198 } 217 } 199 218 200 //....oooOO0OOooo........oooOO0OOooo........oo 219 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 201 220 202 void DetectorConstruction::PrintParameters() c << 221 void DetectorConstruction::PrintParameters() 203 { 222 { 204 G4cout << *(G4Material::GetMaterialTable()) 223 G4cout << *(G4Material::GetMaterialTable()) << G4endl; 205 G4cout << "\n------------------------------- 224 G4cout << "\n---------------------------------------------------------\n"; 206 G4cout << "---> The Absorber is " << G4BestU << 225 G4cout << "---> The Absorber is " << G4BestUnit(absorSizeX,"Length") 207 << fAbsorMaterial->GetName() << G4end << 226 << " of " << absorMaterial->GetName() << G4endl; 208 G4cout << "\n------------------------------- 227 G4cout << "\n---------------------------------------------------------\n"; 209 << 228 210 if (fTallyNumber > 0) { << 229 if (tallyNumber > 0) { 211 G4cout << "---> There are " << fTallyNumbe << 230 G4cout << "---> There are " << tallyNumber << " tallies : " 212 for (G4int j = 0; j < fTallyNumber; ++j) { << 231 << G4BestUnit(tallySize,"Length") 213 G4cout << "fTally " << j << ": " << fAbs << 232 << " of " << tallyMaterial->GetName() 214 << ", mass = " << G4BestUnit(fTa << 233 << " (mass : " << G4BestUnit(tallyMass,"Mass") << ")" << G4endl; 215 << " size = " << G4BestUnit(fTall << 234 216 << " position = " << G4BestUnit(f << 235 for (G4int j=0; j<tallyNumber; j++) 217 } << 236 G4cout << "tally " << j << ": " >> 237 << "position = " << G4BestUnit(tallyPosition[j],"Length") << G4endl; 218 G4cout << "\n----------------------------- 238 G4cout << "\n---------------------------------------------------------\n"; 219 } << 239 } 220 } 240 } 221 241 222 //....oooOO0OOooo........oooOO0OOooo........oo 242 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 223 243 224 void DetectorConstruction::SetSizeX(G4double v 244 void DetectorConstruction::SetSizeX(G4double value) 225 { 245 { 226 fAbsorSizeX = value; << 246 absorSizeX = value; worldSizeX = 1.2*absorSizeX; 227 fWorldSizeX = 1.2 * fAbsorSizeX; << 247 G4RunManager::GetRunManager()->GeometryHasBeenModified(); 228 } 248 } 229 << 249 230 //....oooOO0OOooo........oooOO0OOooo........oo 250 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 231 251 232 void DetectorConstruction::SetSizeYZ(G4double 252 void DetectorConstruction::SetSizeYZ(G4double value) 233 { 253 { 234 fAbsorSizeYZ = value; << 254 absorSizeYZ = value; 235 fWorldSizeYZ = 1.2 * fAbsorSizeYZ; << 255 worldSizeYZ = 1.2*absorSizeYZ; 236 } << 256 G4RunManager::GetRunManager()->GeometryHasBeenModified(); >> 257 } 237 258 238 //....oooOO0OOooo........oooOO0OOooo........oo 259 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 239 260 240 void DetectorConstruction::SetMaterial(const G << 261 void DetectorConstruction::SetMaterial(G4String materialChoice) 241 { << 262 { 242 // search the material by its name << 263 // search the material by its name 243 G4Material* pttoMaterial = G4NistManager::In << 264 G4Material* pttoMaterial = 244 if (pttoMaterial && pttoMaterial != fAbsorMa << 265 G4NistManager::Instance()->FindOrBuildMaterial(materialChoice); 245 // change target material everywhere << 266 if (pttoMaterial) { 246 fAbsorMaterial = pttoMaterial; << 267 absorMaterial = pttoMaterial; 247 for (G4int j = 0; j < fTallyNumber; ++j) { << 268 if(lAbsor) { 248 if (fLTally[j]) { << 269 lAbsor->SetMaterial(absorMaterial); 249 fLTally[j]->SetMaterial(pttoMaterial); << 250 fTallyMass[j] = << 251 fTallySize[j].x() * fTallySize[j].y( << 252 } << 253 } << 254 if (fLAbsor) { << 255 fLAbsor->SetMaterial(fAbsorMaterial); << 256 G4RunManager::GetRunManager()->PhysicsHa 270 G4RunManager::GetRunManager()->PhysicsHasBeenModified(); 257 } 271 } 258 } 272 } 259 } 273 } 260 274 261 //....oooOO0OOooo........oooOO0OOooo........oo 275 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 262 276 263 void DetectorConstruction::SetWorldMaterial(co << 277 void DetectorConstruction::SetMagField(G4double fieldValue) 264 { 278 { 265 // search the material by its name << 279 //apply a global uniform magnetic field along Z axis 266 G4Material* pttoMaterial = G4NistManager::In << 280 G4FieldManager* fieldMgr 267 if (pttoMaterial && pttoMaterial != fWorldMa << 281 = G4TransportationManager::GetTransportationManager()->GetFieldManager(); 268 fWorldMaterial = pttoMaterial; << 282 269 if (fLWorld) { << 283 if (magField) delete magField; //delete the existing magn field 270 fLWorld->SetMaterial(fAbsorMaterial); << 284 271 G4RunManager::GetRunManager()->PhysicsHa << 285 if (fieldValue!=0.) // create a new one if non nul >> 286 { >> 287 magField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue)); >> 288 fieldMgr->SetDetectorField(magField); >> 289 fieldMgr->CreateChordFinder(magField); >> 290 } >> 291 else >> 292 { >> 293 magField = 0; >> 294 fieldMgr->SetDetectorField(magField); 272 } 295 } 273 } << 274 } 296 } 275 << 276 //....oooOO0OOooo........oooOO0OOooo........oo 297 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 277 298 278 void DetectorConstruction::SetMagField(G4doubl << 299 void DetectorConstruction::SetTallySize(G4ThreeVector value) 279 { 300 { 280 // apply a global uniform magnetic field alo << 301 tallySize = value; 281 G4FieldManager* fieldMgr = G4TransportationM << 302 G4RunManager::GetRunManager()->GeometryHasBeenModified(); 282 << 303 } 283 if (fMagField) delete fMagField; // delete << 284 304 285 if (fieldValue != 0.) // create a new one i << 286 { << 287 fMagField = new G4UniformMagField(G4ThreeV << 288 fieldMgr->SetDetectorField(fMagField); << 289 fieldMgr->CreateChordFinder(fMagField); << 290 } << 291 else { << 292 fMagField = nullptr; << 293 fieldMgr->SetDetectorField(fMagField); << 294 } << 295 } << 296 //....oooOO0OOooo........oooOO0OOooo........oo 305 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 297 306 298 void DetectorConstruction::SetTallyNumber(G4in << 307 void DetectorConstruction::SetTallyMaterial(G4String materialChoice) 299 { 308 { 300 if (value >= 0 && value < kMaxTally) { << 309 // search the material by its name 301 fTallyNumber = value; << 310 G4Material* pttoMaterial = 302 } << 311 G4NistManager::Instance()->FindOrBuildMaterial(materialChoice); 303 else { << 312 if (pttoMaterial) { 304 G4cout << "### DetectorConstruction::SetTa << 313 tallyMaterial = pttoMaterial; 305 << "number " << value << " is ignor << 314 if(lTally) { >> 315 lTally->SetMaterial(tallyMaterial); >> 316 G4RunManager::GetRunManager()->PhysicsHasBeenModified(); >> 317 } 306 } 318 } 307 } 319 } 308 320 309 //....oooOO0OOooo........oooOO0OOooo........oo 321 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 310 322 311 void DetectorConstruction::SetTallySize(G4int << 323 void DetectorConstruction::SetTallyPosition(G4ThreeVector value) 312 { 324 { 313 if (j >= 0 && j < kMaxTally) { << 325 if (tallyNumber < MaxTally) { 314 fTallySize[j] = value; << 326 tallyPosition[tallyNumber] = value; 315 } << 327 tallyNumber++; 316 else { << 317 G4cout << "### DetectorConstruction::SetTa << 318 << "number " << j << " is ignored" << 319 } 328 } 320 } << 329 G4RunManager::GetRunManager()->GeometryHasBeenModified(); >> 330 } 321 331 322 //....oooOO0OOooo........oooOO0OOooo........oo 332 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 323 << 333 324 void DetectorConstruction::SetTallyPosition(G4 << 334 void DetectorConstruction::UpdateGeometry() 325 { 335 { 326 if (j >= 0 && j < kMaxTally) { << 336 G4RunManager::GetRunManager()->PhysicsHasBeenModified(); 327 fTallyPosition[j] = value; << 337 G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes()); 328 } << 329 else { << 330 G4cout << "### DetectorConstruction::SetTa << 331 << "number " << j << " is ignored" << 332 } << 333 } << 334 << 335 G4double DetectorConstruction::GetTallyMass(G4 << 336 { << 337 if (j >= 0 && j < kMaxTally) { << 338 return fTallyMass[j]; << 339 } << 340 else { << 341 G4cout << "### DetectorConstruction::GetTa << 342 << "number " << j << " is ignored" << 343 return 0.0; << 344 } << 345 } << 346 << 347 const G4LogicalVolume* DetectorConstruction::G << 348 { << 349 if (j >= 0 && j < kMaxTally) { << 350 return fLTally[j]; << 351 } << 352 else { << 353 G4cout << "### DetectorConstruction::GetLO << 354 << "number " << j << " is ignored" << 355 return nullptr; << 356 } << 357 } 338 } 358 339 359 //....oooOO0OOooo........oooOO0OOooo........oo 340 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 360 341