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25 // 25 //
26 /// \file DetectorConstruction.cc 26 /// \file DetectorConstruction.cc
27 /// \brief Implementation of the DetectorConst 27 /// \brief Implementation of the DetectorConstruction class
28 // 28 //
29 // 29 //
>> 30
30 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 33
33 #include "DetectorConstruction.hh" 34 #include "DetectorConstruction.hh"
34 <<
35 #include "DetectorMessenger.hh" 35 #include "DetectorMessenger.hh"
>> 36 #include "G4Material.hh"
>> 37 #include "G4NistManager.hh"
36 38
37 #include "G4Box.hh" 39 #include "G4Box.hh"
38 #include "G4GeometryManager.hh" << 40 #include "G4Tubs.hh"
39 #include "G4LogicalVolume.hh" 41 #include "G4LogicalVolume.hh"
40 #include "G4LogicalVolumeStore.hh" <<
41 #include "G4Material.hh" <<
42 #include "G4NistManager.hh" <<
43 #include "G4PVPlacement.hh" 42 #include "G4PVPlacement.hh"
44 #include "G4PhysicalConstants.hh" << 43
>> 44 #include "G4GeometryManager.hh"
45 #include "G4PhysicalVolumeStore.hh" 45 #include "G4PhysicalVolumeStore.hh"
46 #include "G4RunManager.hh" << 46 #include "G4LogicalVolumeStore.hh"
47 #include "G4SolidStore.hh" 47 #include "G4SolidStore.hh"
48 #include "G4SystemOfUnits.hh" << 48 #include "G4RunManager.hh"
49 #include "G4Tubs.hh" << 49
50 #include "G4UnitsTable.hh" 50 #include "G4UnitsTable.hh"
>> 51 #include "G4SystemOfUnits.hh"
>> 52 #include "G4PhysicalConstants.hh"
51 53
52 //....oooOO0OOooo........oooOO0OOooo........oo 54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53 55
54 DetectorConstruction::DetectorConstruction() 56 DetectorConstruction::DetectorConstruction()
55 { << 57 :G4VUserDetectorConstruction(),
56 fAbsorRadius = 15 * mm; << 58 fAbsorMaterial(0), fLAbsor(0), fContainMaterial(0), fLContain(0),
57 fAbsorLength = 60 * mm; << 59 fWorldMaterial(0), fPWorld(0), fDetectorMessenger(0)
58 fContainThickness = 2.4 * mm; << 60 {
>> 61 fAbsorRadius = 15*mm;
>> 62 fAbsorLength = 60*mm;
>> 63 fContainThickness = 2.4*mm;
59 DefineMaterials(); 64 DefineMaterials();
60 SetAbsorMaterial("BeO"); << 65 SetAbsorMaterial ("BeO");
61 SetContainMaterial("Stainless-Steel"); 66 SetContainMaterial("Stainless-Steel");
62 fDetectorMessenger = new DetectorMessenger(t 67 fDetectorMessenger = new DetectorMessenger(this);
63 } 68 }
64 69
65 //....oooOO0OOooo........oooOO0OOooo........oo 70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66 71
67 DetectorConstruction::~DetectorConstruction() 72 DetectorConstruction::~DetectorConstruction()
68 { << 73 { delete fDetectorMessenger;}
69 delete fDetectorMessenger; <<
70 } <<
71 74
72 //....oooOO0OOooo........oooOO0OOooo........oo 75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
73 76
74 G4VPhysicalVolume* DetectorConstruction::Const 77 G4VPhysicalVolume* DetectorConstruction::Construct()
75 { 78 {
76 return ConstructVolumes(); 79 return ConstructVolumes();
77 } 80 }
78 81
79 //....oooOO0OOooo........oooOO0OOooo........oo 82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
80 83
81 void DetectorConstruction::DefineMaterials() 84 void DetectorConstruction::DefineMaterials()
82 { 85 {
83 G4int ncomponents, natoms; 86 G4int ncomponents, natoms;
84 << 87
85 G4Element* Be = new G4Element("Beryllium", " << 88 G4Element* Be = new G4Element("Beryllium","Be" , 4., 9.01*g/mole);
86 G4Element* N = new G4Element("Nitrogen", "N" << 89 G4Element* N = new G4Element("Nitrogen" ,"N" , 7., 14.01*g/mole);
87 G4Element* O = new G4Element("Oxygen", "O", << 90 G4Element* O = new G4Element("Oxygen" ,"O" , 8., 16.00*g/mole);
88 G4Element* Cr = new G4Element("Chromium", "C << 91 G4Element* Cr = new G4Element("Chromium" ,"Cr" , 24., 51.99*g/mole);
89 G4Element* Fe = new G4Element("Iron", "Fe", << 92 G4Element* Fe = new G4Element("Iron" ,"Fe" , 26., 55.84*g/mole);
90 G4Element* Ni = new G4Element("Nickel", "Ni" << 93 G4Element* Ni = new G4Element("Nickel" ,"Ni" , 28., 58.69*g/mole);
91 << 94
92 G4Material* BeO = new G4Material("BeO", 3.05 << 95 G4Material* BeO =
93 BeO->AddElement(Be, natoms = 1); << 96 new G4Material("BeO", 3.05*g/cm3, ncomponents=2);
94 BeO->AddElement(O, natoms = 1); << 97 BeO->AddElement(Be, natoms=1);
95 << 98 BeO->AddElement( O, natoms=1);
96 G4Material* inox = new G4Material("Stainless << 99
97 inox->AddElement(Fe, 74 * perCent); << 100 G4Material* inox =
98 inox->AddElement(Cr, 18 * perCent); << 101 new G4Material("Stainless-Steel", 8*g/cm3, ncomponents=3);
99 inox->AddElement(Ni, 8 * perCent); << 102 inox->AddElement(Fe, 74*perCent);
100 << 103 inox->AddElement(Cr, 18*perCent);
101 G4Material* Air = new G4Material("Air", 1.29 << 104 inox->AddElement(Ni, 8*perCent);
102 Air->AddElement(N, 70. * perCent); << 105
103 Air->AddElement(O, 30. * perCent); << 106 G4Material* Air =
>> 107 new G4Material("Air", 1.290*mg/cm3, ncomponents=2);
>> 108 Air->AddElement(N, 70.*perCent);
>> 109 Air->AddElement(O, 30.*perCent);
104 110
105 fWorldMaterial = Air; 111 fWorldMaterial = Air;
106 << 112
107 /// G4cout << *(G4Material::GetMaterialTable << 113 ///G4cout << *(G4Material::GetMaterialTable()) << G4endl;
108 } 114 }
109 115
110 //....oooOO0OOooo........oooOO0OOooo........oo 116 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
111 117
112 G4Material* DetectorConstruction::MaterialWith << 118 G4Material* DetectorConstruction::MaterialWithSingleIsotope( G4String name,
113 << 119 G4String symbol, G4double density, G4int Z, G4int A)
114 { 120 {
115 // define a material from an isotope << 121 // define a material from an isotope
116 // << 122 //
117 G4int ncomponents; << 123 G4int ncomponents;
118 G4double abundance, massfraction; << 124 G4double abundance, massfraction;
119 <<
120 G4Isotope* isotope = new G4Isotope(symbol, Z <<
121 <<
122 G4Element* element = new G4Element(name, sym <<
123 element->AddIsotope(isotope, abundance = 100 <<
124 125
125 G4Material* material = new G4Material(name, << 126 G4Isotope* isotope = new G4Isotope(symbol, Z, A);
126 material->AddElement(element, massfraction = << 127
>> 128 G4Element* element = new G4Element(name, symbol, ncomponents=1);
>> 129 element->AddIsotope(isotope, abundance= 100.*perCent);
>> 130
>> 131 G4Material* material = new G4Material(name, density, ncomponents=1);
>> 132 material->AddElement(element, massfraction=100.*perCent);
127 133
128 return material; << 134 return material;
129 } 135 }
130 136
131 //....oooOO0OOooo........oooOO0OOooo........oo 137 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
132 138
133 G4VPhysicalVolume* DetectorConstruction::Const 139 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
134 { 140 {
135 // Cleanup old geometry 141 // Cleanup old geometry
136 G4GeometryManager::GetInstance()->OpenGeomet 142 G4GeometryManager::GetInstance()->OpenGeometry();
137 G4PhysicalVolumeStore::GetInstance()->Clean( 143 G4PhysicalVolumeStore::GetInstance()->Clean();
138 G4LogicalVolumeStore::GetInstance()->Clean() 144 G4LogicalVolumeStore::GetInstance()->Clean();
139 G4SolidStore::GetInstance()->Clean(); 145 G4SolidStore::GetInstance()->Clean();
140 << 146
141 // compute dimensions 147 // compute dimensions
142 G4double ContainRadius = fAbsorRadius + fCon 148 G4double ContainRadius = fAbsorRadius + fContainThickness;
143 G4double ContainLength = fAbsorLength + 2 * << 149 G4double ContainLength = fAbsorLength + 2*fContainThickness;
144 << 150
145 G4double WorldSizeXY = 2.4 * ContainRadius; << 151 G4double WorldSizeXY = 2.4*ContainRadius;
146 G4double WorldSizeZ = 1.2 * ContainLength; << 152 G4double WorldSizeZ = 1.2*ContainLength;
147 << 153
148 // World 154 // World
149 // 155 //
150 G4Box* sWorld = new G4Box("World", // name << 156 G4Box*
151 0.5 * WorldSizeXY, << 157 sWorld = new G4Box("World", //name
152 << 158 0.5*WorldSizeXY,0.5*WorldSizeXY,0.5*WorldSizeZ); //dimensions
153 G4LogicalVolume* lWorld = new G4LogicalVolum << 159
154 << 160 G4LogicalVolume*
155 << 161 lWorld = new G4LogicalVolume(sWorld, //shape
156 << 162 fWorldMaterial, //material
157 fPWorld = new G4PVPlacement(0, // no rotati << 163 "World"); //name
158 G4ThreeVector(), << 164
159 lWorld, // logi << 165 fPWorld = new G4PVPlacement(0, //no rotation
160 "World", // nam << 166 G4ThreeVector(), //at (0,0,0)
161 0, // mother vo << 167 lWorld, //logical volume
162 false, // no bo << 168 "World", //name
163 0); // copy num << 169 0, //mother volume
>> 170 false, //no boolean operation
>> 171 0); //copy number
164 172
165 // Container 173 // Container
166 // 174 //
167 G4Tubs* sContain = new G4Tubs("Container", << 175 G4Tubs*
168 0., ContainRad << 176 sContain = new G4Tubs("Container", //name
169 << 177 0., ContainRadius, 0.5*ContainLength, 0., twopi); //dimensions
170 fLContain = new G4LogicalVolume(sContain, / << 178
171 fContainMate << 179 fLContain = new G4LogicalVolume(sContain, //shape
172 fContainMate << 180 fContainMaterial, //material
173 << 181 fContainMaterial->GetName()); //name
174 new G4PVPlacement(0, // no rotation << 182
175 G4ThreeVector(), // at (0 << 183 new G4PVPlacement(0, //no rotation
176 fLContain, // logical vol << 184 G4ThreeVector(), //at (0,0,0)
177 fContainMaterial->GetName( << 185 fLContain, //logical volume
178 lWorld, // mother volume << 186 fContainMaterial->GetName(), //name
179 false, // no boolean oper << 187 lWorld, //mother volume
180 0); // copy number << 188 false, //no boolean operation
>> 189 0); //copy number
181 190
182 // Absorber 191 // Absorber
183 // 192 //
184 G4Tubs* sAbsor = new G4Tubs("Absorber", // << 193 G4Tubs*
185 0., fAbsorRadius << 194 sAbsor = new G4Tubs("Absorber", //name
186 << 195 0., fAbsorRadius, 0.5*fAbsorLength, 0., twopi); //dimensions
187 fLAbsor = new G4LogicalVolume(sAbsor, // sh << 196
188 fAbsorMaterial << 197 fLAbsor = new G4LogicalVolume(sAbsor, //shape
189 fAbsorMaterial << 198 fAbsorMaterial, //material
190 << 199 fAbsorMaterial->GetName()); //name
191 new G4PVPlacement(0, // no rotation << 200
192 G4ThreeVector(), // at (0 << 201 new G4PVPlacement(0, //no rotation
193 fLAbsor, // logical volum << 202 G4ThreeVector(), //at (0,0,0)
194 fAbsorMaterial->GetName(), << 203 fLAbsor, //logical volume
195 fLContain, // mother vol << 204 fAbsorMaterial->GetName(), //name
196 false, // no boolean oper << 205 fLContain, //mother volume
197 0); // copy number << 206 false, //no boolean operation
>> 207 0); //copy number
198 208
199 PrintParameters(); 209 PrintParameters();
200 << 210
201 // always return the root volume << 211 //always return the root volume
202 // 212 //
203 return fPWorld; 213 return fPWorld;
204 } 214 }
205 215
206 //....oooOO0OOooo........oooOO0OOooo........oo 216 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
207 217
208 void DetectorConstruction::PrintParameters() 218 void DetectorConstruction::PrintParameters()
209 { 219 {
210 G4cout << "\n The Absorber is a cylinder of << 220 G4cout << "\n The Absorber is a cylinder of " << fAbsorMaterial->GetName()
211 << " radius = " << G4BestUnit(fAbsor << 221 << " radius = " << G4BestUnit(fAbsorRadius,"Length")
212 << " length = " << G4BestUnit(fAbsor << 222 << " length = " << G4BestUnit(fAbsorLength,"Length") << G4endl;
213 G4cout << " The Container is a cylinder of " << 223 G4cout << " The Container is a cylinder of " << fContainMaterial->GetName()
214 << " thickness = " << G4BestUnit(fCo << 224 << " thickness = " << G4BestUnit(fContainThickness,"Length") << G4endl;
215 << 225
216 G4cout << "\n" << fAbsorMaterial << G4endl; << 226 G4cout << "\n" << fAbsorMaterial << G4endl;
217 G4cout << "\n" << fContainMaterial << G4endl << 227 G4cout << "\n" << fContainMaterial << G4endl;
218 } 228 }
219 229
220 //....oooOO0OOooo........oooOO0OOooo........oo 230 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
221 231
222 void DetectorConstruction::SetAbsorMaterial(G4 232 void DetectorConstruction::SetAbsorMaterial(G4String materialChoice)
223 { 233 {
224 // search the material by its name 234 // search the material by its name
225 G4Material* pttoMaterial = G4NistManager::In << 235 G4Material* pttoMaterial =
226 << 236 G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
227 if (pttoMaterial) { << 237
>> 238 if (pttoMaterial) {
228 fAbsorMaterial = pttoMaterial; 239 fAbsorMaterial = pttoMaterial;
229 if (fLAbsor) { << 240 if(fLAbsor) { fLAbsor->SetMaterial(fAbsorMaterial); }
230 fLAbsor->SetMaterial(fAbsorMaterial); <<
231 } <<
232 G4RunManager::GetRunManager()->PhysicsHasB 241 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
233 } << 242 } else {
234 else { << 243 G4cout << "\n--> warning from DetectorConstruction::SetAbsorMaterial : "
235 G4cout << "\n--> warning from DetectorCons << 244 << materialChoice << " not found" << G4endl;
236 << " not found" << G4endl; << 245 }
237 } <<
238 } 246 }
239 247
240 //....oooOO0OOooo........oooOO0OOooo........oo 248 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
241 249
242 void DetectorConstruction::SetContainMaterial( 250 void DetectorConstruction::SetContainMaterial(G4String materialChoice)
243 { 251 {
244 // search the material by its name 252 // search the material by its name
245 G4Material* pttoMaterial = G4NistManager::In << 253 G4Material* pttoMaterial =
246 << 254 G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
247 if (pttoMaterial) { << 255
>> 256 if (pttoMaterial) {
248 fContainMaterial = pttoMaterial; 257 fContainMaterial = pttoMaterial;
249 if (fLContain) { << 258 if(fLContain) { fLContain->SetMaterial(fContainMaterial); }
250 fLContain->SetMaterial(fContainMaterial) <<
251 } <<
252 G4RunManager::GetRunManager()->PhysicsHasB 259 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
253 } << 260 } else {
254 else { << 261 G4cout << "\n--> warning from DetectorConstruction::SetContainMaterial : "
255 G4cout << "\n--> warning from DetectorCons << 262 << materialChoice << " not found" << G4endl;
256 << " not found" << G4endl; << 263 }
257 } <<
258 } 264 }
259 265
260 //....oooOO0OOooo........oooOO0OOooo........oo 266 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
261 267
262 void DetectorConstruction::SetAbsorRadius(G4do 268 void DetectorConstruction::SetAbsorRadius(G4double value)
263 { 269 {
264 fAbsorRadius = value; 270 fAbsorRadius = value;
265 G4RunManager::GetRunManager()->ReinitializeG 271 G4RunManager::GetRunManager()->ReinitializeGeometry();
266 } 272 }
267 273
268 //....oooOO0OOooo........oooOO0OOooo........oo 274 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
269 275
270 void DetectorConstruction::SetAbsorLength(G4do 276 void DetectorConstruction::SetAbsorLength(G4double value)
271 { 277 {
272 fAbsorLength = value; 278 fAbsorLength = value;
273 G4RunManager::GetRunManager()->ReinitializeG 279 G4RunManager::GetRunManager()->ReinitializeGeometry();
274 } 280 }
275 281
276 //....oooOO0OOooo........oooOO0OOooo........oo 282 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
277 283
278 void DetectorConstruction::SetContainThickness 284 void DetectorConstruction::SetContainThickness(G4double value)
279 { 285 {
280 fContainThickness = value; 286 fContainThickness = value;
281 G4RunManager::GetRunManager()->ReinitializeG 287 G4RunManager::GetRunManager()->ReinitializeGeometry();
282 } 288 }
283 289
284 //....oooOO0OOooo........oooOO0OOooo........oo 290 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 291
285 292