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25 // 25 //
26 // 26 //
27 /// \file B4/B4a/src/DetectorConstruction.cc << 27 /// \file DetectorConstruction.cc
28 /// \brief Implementation of the B4::DetectorC << 28 /// \brief Implementation of the DetectorConstruction class
29 29
30 #include "DetectorConstruction.hh" 30 #include "DetectorConstruction.hh"
31 31
32 #include "G4AutoDelete.hh" <<
33 #include "G4Box.hh" <<
34 #include "G4Colour.hh" <<
35 #include "G4GlobalMagFieldMessenger.hh" <<
36 #include "G4LogicalVolume.hh" <<
37 #include "G4Material.hh" 32 #include "G4Material.hh"
38 #include "G4NistManager.hh" 33 #include "G4NistManager.hh"
>> 34
>> 35 #include "G4Box.hh"
>> 36 #include "G4LogicalVolume.hh"
39 #include "G4PVPlacement.hh" 37 #include "G4PVPlacement.hh"
40 #include "G4PVReplica.hh" 38 #include "G4PVReplica.hh"
>> 39 #include "G4GlobalMagFieldMessenger.hh"
>> 40 #include "G4AutoDelete.hh"
>> 41
>> 42 #include "G4GeometryManager.hh"
>> 43 #include "G4PhysicalVolumeStore.hh"
>> 44 #include "G4LogicalVolumeStore.hh"
>> 45 #include "G4SolidStore.hh"
>> 46
>> 47 #include "G4VisAttributes.hh"
>> 48 #include "G4Colour.hh"
>> 49
41 #include "G4PhysicalConstants.hh" 50 #include "G4PhysicalConstants.hh"
42 #include "G4SystemOfUnits.hh" 51 #include "G4SystemOfUnits.hh"
43 #include "G4VisAttributes.hh" <<
44 52
45 namespace B4 53 namespace B4
46 { 54 {
47 55
48 //....oooOO0OOooo........oooOO0OOooo........oo 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
49 57
50 G4ThreadLocal G4GlobalMagFieldMessenger* Detec << 58 G4ThreadLocal
>> 59 G4GlobalMagFieldMessenger* DetectorConstruction::fMagFieldMessenger = nullptr;
>> 60
>> 61 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 62
>> 63 DetectorConstruction::DetectorConstruction()
>> 64 {
>> 65 }
>> 66
>> 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 68
>> 69 DetectorConstruction::~DetectorConstruction()
>> 70 {
>> 71 }
51 72
52 //....oooOO0OOooo........oooOO0OOooo........oo 73 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53 74
54 G4VPhysicalVolume* DetectorConstruction::Const 75 G4VPhysicalVolume* DetectorConstruction::Construct()
55 { 76 {
56 // Define materials 77 // Define materials
57 DefineMaterials(); 78 DefineMaterials();
58 79
59 // Define volumes 80 // Define volumes
60 return DefineVolumes(); 81 return DefineVolumes();
61 } 82 }
62 83
63 //....oooOO0OOooo........oooOO0OOooo........oo 84 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
64 85
65 void DetectorConstruction::DefineMaterials() 86 void DetectorConstruction::DefineMaterials()
66 { 87 {
67 // Lead material defined using NIST Manager 88 // Lead material defined using NIST Manager
68 auto nistManager = G4NistManager::Instance() 89 auto nistManager = G4NistManager::Instance();
69 nistManager->FindOrBuildMaterial("G4_Pb"); 90 nistManager->FindOrBuildMaterial("G4_Pb");
70 91
71 // Liquid argon material 92 // Liquid argon material
72 G4double a; // mass of a mole; 93 G4double a; // mass of a mole;
73 G4double z; // z=mean number of protons; 94 G4double z; // z=mean number of protons;
74 G4double density; 95 G4double density;
75 new G4Material("liquidArgon", z = 18., a = 3 << 96 new G4Material("liquidArgon", z=18., a= 39.95*g/mole, density= 1.390*g/cm3);
76 // The argon by NIST Manager is a gas with a << 97 // The argon by NIST Manager is a gas with a different density
77 98
78 // Vacuum 99 // Vacuum
79 new G4Material("Galactic", z = 1., a = 1.01 << 100 new G4Material("Galactic", z=1., a=1.01*g/mole,density= universe_mean_density,
80 kStateGas, 2.73 * kelvin, 3.e << 101 kStateGas, 2.73*kelvin, 3.e-18*pascal);
81 102
82 // Print materials 103 // Print materials
83 G4cout << *(G4Material::GetMaterialTable()) 104 G4cout << *(G4Material::GetMaterialTable()) << G4endl;
84 } 105 }
85 106
86 //....oooOO0OOooo........oooOO0OOooo........oo 107 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
87 108
88 G4VPhysicalVolume* DetectorConstruction::Defin 109 G4VPhysicalVolume* DetectorConstruction::DefineVolumes()
89 { 110 {
90 // Geometry parameters 111 // Geometry parameters
91 G4int nofLayers = 10; 112 G4int nofLayers = 10;
92 G4double absoThickness = 10. * mm; << 113 G4double absoThickness = 10.*mm;
93 G4double gapThickness = 5. * mm; << 114 G4double gapThickness = 5.*mm;
94 G4double calorSizeXY = 10. * cm; << 115 G4double calorSizeXY = 10.*cm;
95 116
96 auto layerThickness = absoThickness + gapThi 117 auto layerThickness = absoThickness + gapThickness;
97 auto calorThickness = nofLayers * layerThick 118 auto calorThickness = nofLayers * layerThickness;
98 auto worldSizeXY = 1.2 * calorSizeXY; 119 auto worldSizeXY = 1.2 * calorSizeXY;
99 auto worldSizeZ = 1.2 * calorThickness; << 120 auto worldSizeZ = 1.2 * calorThickness;
100 121
101 // Get materials 122 // Get materials
102 auto defaultMaterial = G4Material::GetMateri 123 auto defaultMaterial = G4Material::GetMaterial("Galactic");
103 auto absorberMaterial = G4Material::GetMater 124 auto absorberMaterial = G4Material::GetMaterial("G4_Pb");
104 auto gapMaterial = G4Material::GetMaterial(" 125 auto gapMaterial = G4Material::GetMaterial("liquidArgon");
105 126
106 if (!defaultMaterial || !absorberMaterial || << 127 if ( ! defaultMaterial || ! absorberMaterial || ! gapMaterial ) {
107 G4ExceptionDescription msg; 128 G4ExceptionDescription msg;
108 msg << "Cannot retrieve materials already 129 msg << "Cannot retrieve materials already defined.";
109 G4Exception("DetectorConstruction::DefineV << 130 G4Exception("DetectorConstruction::DefineVolumes()",
>> 131 "MyCode0001", FatalException, msg);
110 } 132 }
111 133
112 // 134 //
113 // World 135 // World
114 // 136 //
115 auto worldS = new G4Box("World", // its nam << 137 auto worldS
116 worldSizeXY / 2, wor << 138 = new G4Box("World", // its name
117 << 139 worldSizeXY/2, worldSizeXY/2, worldSizeZ/2); // its size
118 auto worldLV = new G4LogicalVolume(worldS, << 140
119 defaultMa << 141 auto worldLV
120 "World"); << 142 = new G4LogicalVolume(
121 << 143 worldS, // its solid
122 auto worldPV = new G4PVPlacement(nullptr, / << 144 defaultMaterial, // its material
123 G4ThreeVect << 145 "World"); // its name
124 worldLV, / << 146
125 "World", / << 147 auto worldPV
126 nullptr, / << 148 = new G4PVPlacement(
127 false, // << 149 0, // no rotation
128 0, // copy << 150 G4ThreeVector(), // at (0,0,0)
129 fCheckOverl << 151 worldLV, // its logical volume
>> 152 "World", // its name
>> 153 0, // its mother volume
>> 154 false, // no boolean operation
>> 155 0, // copy number
>> 156 fCheckOverlaps); // checking overlaps
130 157
131 // 158 //
132 // Calorimeter 159 // Calorimeter
133 // 160 //
134 auto calorimeterS = new G4Box("Calorimeter", << 161 auto calorimeterS
135 calorSizeXY / << 162 = new G4Box("Calorimeter", // its name
136 << 163 calorSizeXY/2, calorSizeXY/2, calorThickness/2); // its size
137 auto calorLV = new G4LogicalVolume(calorimet << 164
138 defaultMa << 165 auto calorLV
139 "Calorime << 166 = new G4LogicalVolume(
140 << 167 calorimeterS, // its solid
141 new G4PVPlacement(nullptr, // no rotation << 168 defaultMaterial, // its material
142 G4ThreeVector(), // at (0 << 169 "Calorimeter"); // its name
143 calorLV, // its logical v << 170
144 "Calorimeter", // its nam << 171 new G4PVPlacement(
145 worldLV, // its mother v << 172 0, // no rotation
146 false, // no boolean oper << 173 G4ThreeVector(), // at (0,0,0)
147 0, // copy number << 174 calorLV, // its logical volume
148 fCheckOverlaps); // check << 175 "Calorimeter", // its name
>> 176 worldLV, // its mother volume
>> 177 false, // no boolean operation
>> 178 0, // copy number
>> 179 fCheckOverlaps); // checking overlaps
149 180
150 // 181 //
151 // Layer 182 // Layer
152 // 183 //
153 auto layerS = new G4Box("Layer", // its nam << 184 auto layerS
154 calorSizeXY / 2, cal << 185 = new G4Box("Layer", // its name
155 << 186 calorSizeXY/2, calorSizeXY/2, layerThickness/2); // its size
156 auto layerLV = new G4LogicalVolume(layerS, << 187
157 defaultMa << 188 auto layerLV
158 "Layer"); << 189 = new G4LogicalVolume(
159 << 190 layerS, // its solid
160 new G4PVReplica("Layer", // its name << 191 defaultMaterial, // its material
161 layerLV, // its logical vol << 192 "Layer"); // its name
162 calorLV, // its mother << 193
163 kZAxis, // axis of replicat << 194 new G4PVReplica(
164 nofLayers, // number of rep << 195 "Layer", // its name
165 layerThickness); // witdth << 196 layerLV, // its logical volume
>> 197 calorLV, // its mother
>> 198 kZAxis, // axis of replication
>> 199 nofLayers, // number of replica
>> 200 layerThickness); // witdth of replica
166 201
167 // 202 //
168 // Absorber 203 // Absorber
169 // 204 //
170 auto absorberS = new G4Box("Abso", // its n << 205 auto absorberS
171 calorSizeXY / 2, << 206 = new G4Box("Abso", // its name
172 << 207 calorSizeXY/2, calorSizeXY/2, absoThickness/2); // its size
173 auto absorberLV = new G4LogicalVolume(absorb << 208
174 absorb << 209 auto absorberLV
175 "Abso" << 210 = new G4LogicalVolume(
176 << 211 absorberS, // its solid
177 fAbsorberPV = new G4PVPlacement(nullptr, // << 212 absorberMaterial, // its material
178 G4ThreeVecto << 213 "Abso"); // its name
179 absorberLV, << 214
180 "Abso", // << 215 fAbsorberPV
181 layerLV, // << 216 = new G4PVPlacement(
182 false, // n << 217 0, // no rotation
183 0, // copy << 218 G4ThreeVector(0., 0., -gapThickness/2), // its position
184 fCheckOverla << 219 absorberLV, // its logical volume
>> 220 "Abso", // its name
>> 221 layerLV, // its mother volume
>> 222 false, // no boolean operation
>> 223 0, // copy number
>> 224 fCheckOverlaps); // checking overlaps
185 225
186 // 226 //
187 // Gap 227 // Gap
188 // 228 //
189 auto gapS = new G4Box("Gap", // its name << 229 auto gapS
190 calorSizeXY / 2, calor << 230 = new G4Box("Gap", // its name
191 << 231 calorSizeXY/2, calorSizeXY/2, gapThickness/2); // its size
192 auto gapLV = new G4LogicalVolume(gapS, // i << 232
193 gapMaterial << 233 auto gapLV
194 "Gap"); // << 234 = new G4LogicalVolume(
195 << 235 gapS, // its solid
196 fGapPV = new G4PVPlacement(nullptr, // no r << 236 gapMaterial, // its material
197 G4ThreeVector(0., << 237 "Gap"); // its name
198 gapLV, // its lo << 238
199 "Gap", // its na << 239 fGapPV
200 layerLV, // its << 240 = new G4PVPlacement(
201 false, // no boo << 241 0, // no rotation
202 0, // copy numbe << 242 G4ThreeVector(0., 0., absoThickness/2), // its position
203 fCheckOverlaps); << 243 gapLV, // its logical volume
>> 244 "Gap", // its name
>> 245 layerLV, // its mother volume
>> 246 false, // no boolean operation
>> 247 0, // copy number
>> 248 fCheckOverlaps); // checking overlaps
204 249
205 // 250 //
206 // print parameters 251 // print parameters
207 // 252 //
208 G4cout << G4endl << "----------------------- << 253 G4cout
209 << "---> The calorimeter is " << nofL << 254 << G4endl
210 << "mm of " << absorberMaterial->GetN << 255 << "------------------------------------------------------------" << G4endl
211 << gapMaterial->GetName() << " ] " << << 256 << "---> The calorimeter is " << nofLayers << " layers of: [ "
212 << "--------------------------------- << 257 << absoThickness/mm << "mm of " << absorberMaterial->GetName()
>> 258 << " + "
>> 259 << gapThickness/mm << "mm of " << gapMaterial->GetName() << " ] " << G4endl
>> 260 << "------------------------------------------------------------" << G4endl;
213 261
214 // 262 //
215 // Visualization attributes 263 // Visualization attributes
216 // 264 //
217 worldLV->SetVisAttributes(G4VisAttributes::G << 265 worldLV->SetVisAttributes (G4VisAttributes::GetInvisible());
218 calorLV->SetVisAttributes(G4VisAttributes(G4 << 266
>> 267 auto simpleBoxVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0));
>> 268 simpleBoxVisAtt->SetVisibility(true);
>> 269 calorLV->SetVisAttributes(simpleBoxVisAtt);
219 270
220 // 271 //
221 // Always return the physical World 272 // Always return the physical World
222 // 273 //
223 return worldPV; 274 return worldPV;
224 } 275 }
225 276
226 //....oooOO0OOooo........oooOO0OOooo........oo 277 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
227 278
228 void DetectorConstruction::ConstructSDandField 279 void DetectorConstruction::ConstructSDandField()
229 { 280 {
230 // Create global magnetic field messenger. 281 // Create global magnetic field messenger.
231 // Uniform magnetic field is then created au 282 // Uniform magnetic field is then created automatically if
232 // the field value is not zero. 283 // the field value is not zero.
233 G4ThreeVector fieldValue; 284 G4ThreeVector fieldValue;
234 fMagFieldMessenger = new G4GlobalMagFieldMes 285 fMagFieldMessenger = new G4GlobalMagFieldMessenger(fieldValue);
235 fMagFieldMessenger->SetVerboseLevel(1); 286 fMagFieldMessenger->SetVerboseLevel(1);
236 287
237 // Register the field messenger for deleting 288 // Register the field messenger for deleting
238 G4AutoDelete::Register(fMagFieldMessenger); 289 G4AutoDelete::Register(fMagFieldMessenger);
239 } 290 }
240 291
241 //....oooOO0OOooo........oooOO0OOooo........oo 292 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
242 293
243 } // namespace B4 << 294 }
>> 295
244 296