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54 DefineMaterials(); 65 SetMaterial("Iron"); 55 SetMaterial("Iron"); 66 << 56 67 // create UserLimits 57 // create UserLimits 68 fUserLimits = new G4UserLimits(); << 58 userLimits = new G4UserLimits(); 69 59 70 // create commands for interactive definitio << 60 // create commands for interactive definition of the detector 71 fDetectorMessenger = new DetectorMessenger(t << 61 detectorMessenger = new DetectorMessenger(this); 72 } 62 } 73 63 74 //....oooOO0OOooo........oooOO0OOooo........oo 64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 75 65 76 DetectorConstruction::~DetectorConstruction() 66 DetectorConstruction::~DetectorConstruction() 77 { << 67 { delete detectorMessenger;} 78 delete fDetectorMessenger; << 79 } << 80 68 81 //....oooOO0OOooo........oooOO0OOooo........oo 69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 82 70 83 G4VPhysicalVolume* DetectorConstruction::Const 71 G4VPhysicalVolume* DetectorConstruction::Construct() 84 { 72 { 85 return ConstructVolumes(); 73 return ConstructVolumes(); 86 } 74 } 87 75 88 //....oooOO0OOooo........oooOO0OOooo........oo 76 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 89 77 90 void DetectorConstruction::DefineMaterials() 78 void DetectorConstruction::DefineMaterials() 91 { << 79 { 92 G4double a, z, density; << 80 G4double a, z, density; 93 81 94 new G4Material("Beryllium", z = 4., a = 9.01 << 82 new G4Material("Beryllium", z= 4., a= 9.012182*g/mole, density= 1.848*g/cm3); 95 new G4Material("Carbon", z = 6., a = 12.011 << 83 new G4Material("Carbon", z= 6., a= 12.011*g/mole, density= 2.265*g/cm3); 96 new G4Material("Iron", z = 26., a = 55.85 * << 84 new G4Material("Iron", z=26., a= 55.85*g/mole, density= 7.870*g/cm3); 97 85 98 G4cout << *(G4Material::GetMaterialTable()) << 86 G4cout << *(G4Material::GetMaterialTable()) << G4endl; 99 } 87 } 100 88 101 //....oooOO0OOooo........oooOO0OOooo........oo 89 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 102 << 90 103 G4VPhysicalVolume* DetectorConstruction::Const 91 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes() 104 { 92 { 105 G4GeometryManager::GetInstance()->OpenGeomet 93 G4GeometryManager::GetInstance()->OpenGeometry(); 106 G4PhysicalVolumeStore::GetInstance()->Clean( 94 G4PhysicalVolumeStore::GetInstance()->Clean(); 107 G4LogicalVolumeStore::GetInstance()->Clean() 95 G4LogicalVolumeStore::GetInstance()->Clean(); 108 G4SolidStore::GetInstance()->Clean(); 96 G4SolidStore::GetInstance()->Clean(); 109 << 97 110 G4Box* sBox = new G4Box("Container", // its << 98 G4Box* 111 fBoxSize / 2, fBoxSi << 99 sBox = new G4Box("Container", //its name 112 << 100 BoxSize/2,BoxSize/2,BoxSize/2); //its dimensions 113 fL_Box = new G4LogicalVolume(sBox, // its s << 101 114 fMaterial, // << 102 lBox = new G4LogicalVolume(sBox, //its shape 115 fMaterial->GetN << 103 aMaterial, //its material 116 << 104 aMaterial->GetName()); //its name 117 fL_Box->SetUserLimits(fUserLimits); << 105 118 << 106 lBox->SetUserLimits(userLimits); 119 fP_Box = new G4PVPlacement(0, // no rotatio << 107 120 G4ThreeVector(), << 108 pBox = new G4PVPlacement(0, //no rotation 121 fL_Box, // its l << 109 G4ThreeVector(), //at (0,0,0) 122 fMaterial->GetNam << 110 lBox, //its logical volume 123 0, // its mother << 111 aMaterial->GetName(), //its name 124 false, // no boo << 112 0, //its mother volume 125 0); // copy numb << 113 false, //no boolean operation 126 << 114 0); //copy number >> 115 127 PrintParameters(); 116 PrintParameters(); 128 << 117 129 // 118 // 130 // always return the root volume << 119 //always return the root volume 131 // 120 // 132 return fP_Box; << 121 return pBox; 133 } 122 } 134 123 135 //....oooOO0OOooo........oooOO0OOooo........oo 124 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 136 125 137 void DetectorConstruction::PrintParameters() 126 void DetectorConstruction::PrintParameters() 138 { 127 { 139 G4cout << "\n The Box is " << G4BestUnit(fBo << 128 G4cout << "\n The Box is " << G4BestUnit(BoxSize,"Length") 140 << G4endl; << 129 << " of " << aMaterial->GetName() << G4endl; 141 } 130 } 142 131 143 //....oooOO0OOooo........oooOO0OOooo........oo 132 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 144 133 145 void DetectorConstruction::SetMaterial(const G << 134 void DetectorConstruction::SetMaterial(G4String materialChoice) 146 { 135 { 147 G4cout << "###SetMaterial" << G4endl; << 136 // search the material by its name 148 << 137 G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice); 149 // get the pointer to the existing material << 138 if (pttoMaterial) aMaterial = pttoMaterial; 150 G4Material* mat = G4Material::GetMaterial(na << 151 << 152 // create the material by its name << 153 if (!mat) { << 154 mat = G4NistManager::Instance()->FindOrBui << 155 } << 156 << 157 if (mat && mat != fMaterial) { << 158 G4cout << "### New target material: " << m << 159 fMaterial = mat; << 160 if (fL_Box) { << 161 fL_Box->SetMaterial(mat); << 162 G4RunManager::GetRunManager()->PhysicsHa << 163 } << 164 } << 165 } 139 } 166 140 167 //....oooOO0OOooo........oooOO0OOooo........oo 141 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 168 142 169 void DetectorConstruction::SetSize(G4double va 143 void DetectorConstruction::SetSize(G4double value) 170 { 144 { 171 fBoxSize = value; << 145 BoxSize = value; 172 } << 146 } 173 147 174 //....oooOO0OOooo........oooOO0OOooo........oo 148 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 175 149 176 #include "G4FieldManager.hh" 150 #include "G4FieldManager.hh" 177 #include "G4TransportationManager.hh" 151 #include "G4TransportationManager.hh" 178 152 179 void DetectorConstruction::SetMagField(G4doubl 153 void DetectorConstruction::SetMagField(G4double fieldValue) 180 { 154 { 181 // apply a global uniform magnetic field alo << 155 //apply a global uniform magnetic field along Z axis 182 G4FieldManager* fieldMgr = G4TransportationM << 156 G4FieldManager* fieldMgr 183 << 157 = G4TransportationManager::GetTransportationManager()->GetFieldManager(); 184 if (fMagField) delete fMagField; // delete << 158 185 << 159 if (magField) delete magField; //delete the existing magn field 186 if (fieldValue != 0.) // create a new one i << 160 187 { << 161 if (fieldValue!=0.) // create a new one if non nul 188 fMagField = new G4UniformMagField(G4ThreeV << 162 { 189 fieldMgr->SetDetectorField(fMagField); << 163 magField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue)); 190 fieldMgr->CreateChordFinder(fMagField); << 164 fieldMgr->SetDetectorField(magField); 191 } << 165 fieldMgr->CreateChordFinder(magField); 192 else { << 166 } 193 fMagField = 0; << 167 else 194 fieldMgr->SetDetectorField(fMagField); << 168 { 195 } << 169 magField = 0; >> 170 fieldMgr->SetDetectorField(magField); >> 171 } 196 } 172 } 197 173 198 //....oooOO0OOooo........oooOO0OOooo........oo 174 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 199 175 200 void DetectorConstruction::SetMaxStepSize(G4do 176 void DetectorConstruction::SetMaxStepSize(G4double val) 201 { 177 { 202 // set the maximum allowed step size 178 // set the maximum allowed step size 203 // 179 // 204 if (val <= DBL_MIN) { << 180 if (val <= DBL_MIN) 205 G4cout << "\n --->warning from SetMaxStepS << 181 { G4cout << "\n --->warning from SetMaxStepSize: maxStep " 206 << " out of range. Command refused" << 182 << val << " out of range. Command refused" << G4endl; 207 return; << 183 return; 208 } << 184 } 209 fUserLimits->SetMaxAllowedStep(val); << 185 userLimits->SetMaxAllowedStep(val); 210 } << 186 } 211 187 212 //....oooOO0OOooo........oooOO0OOooo........oo 188 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 213 189 214 #include "G4RunManager.hh" << 190 #include "G4RunManager.hh" 215 << 191 216 void DetectorConstruction::UpdateGeometry() 192 void DetectorConstruction::UpdateGeometry() 217 { 193 { 218 G4RunManager::GetRunManager()->DefineWorldVo 194 G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes()); 219 } 195 } 220 196 221 //....oooOO0OOooo........oooOO0OOooo........oo 197 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 222 198