| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
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 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 32
33 #include "DetectorConstruction.hh" 33 #include "DetectorConstruction.hh"
34 <<
35 #include "DetectorMessenger.hh" 34 #include "DetectorMessenger.hh"
>> 35 #include "G4Material.hh"
>> 36 #include "G4NistManager.hh"
36 37
37 #include "G4Box.hh" 38 #include "G4Box.hh"
38 #include "G4GeometryManager.hh" << 39 #include "G4Tubs.hh"
39 #include "G4LogicalVolume.hh" 40 #include "G4LogicalVolume.hh"
40 #include "G4LogicalVolumeStore.hh" <<
41 #include "G4Material.hh" <<
42 #include "G4NistManager.hh" <<
43 #include "G4PVPlacement.hh" 41 #include "G4PVPlacement.hh"
44 #include "G4PhysicalConstants.hh" << 42
>> 43 #include "G4GeometryManager.hh"
45 #include "G4PhysicalVolumeStore.hh" 44 #include "G4PhysicalVolumeStore.hh"
46 #include "G4RunManager.hh" << 45 #include "G4LogicalVolumeStore.hh"
47 #include "G4SolidStore.hh" 46 #include "G4SolidStore.hh"
48 #include "G4SystemOfUnits.hh" << 47 #include "G4RunManager.hh"
49 #include "G4Tubs.hh" << 48
50 #include "G4UnitsTable.hh" 49 #include "G4UnitsTable.hh"
>> 50 #include "G4SystemOfUnits.hh"
>> 51 #include "G4PhysicalConstants.hh"
51 52
52 //....oooOO0OOooo........oooOO0OOooo........oo 53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53 54
54 DetectorConstruction::DetectorConstruction() 55 DetectorConstruction::DetectorConstruction()
55 { 56 {
56 fAbsorRadius = 15 * mm; << 57 fAbsorRadius = 15*mm;
57 fAbsorLength = 60 * mm; << 58 fAbsorLength = 60*mm;
58 fContainThickness = 2.4 * mm; << 59 fContainThickness = 2.4*mm;
59 DefineMaterials(); 60 DefineMaterials();
60 SetAbsorMaterial("BeO"); << 61 SetAbsorMaterial ("BeO");
61 SetContainMaterial("Stainless-Steel"); 62 SetContainMaterial("Stainless-Steel");
62 fDetectorMessenger = new DetectorMessenger(t 63 fDetectorMessenger = new DetectorMessenger(this);
63 } 64 }
64 65
65 //....oooOO0OOooo........oooOO0OOooo........oo 66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66 67
67 DetectorConstruction::~DetectorConstruction() 68 DetectorConstruction::~DetectorConstruction()
68 { << 69 { delete fDetectorMessenger;}
69 delete fDetectorMessenger; <<
70 } <<
71 70
72 //....oooOO0OOooo........oooOO0OOooo........oo 71 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
73 72
74 G4VPhysicalVolume* DetectorConstruction::Const 73 G4VPhysicalVolume* DetectorConstruction::Construct()
75 { 74 {
76 return ConstructVolumes(); 75 return ConstructVolumes();
77 } 76 }
78 77
79 //....oooOO0OOooo........oooOO0OOooo........oo 78 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
80 79
81 void DetectorConstruction::DefineMaterials() 80 void DetectorConstruction::DefineMaterials()
82 { 81 {
83 G4int ncomponents, natoms; 82 G4int ncomponents, natoms;
84 << 83
85 G4Element* Be = new G4Element("Beryllium", " << 84 G4Element* Be = new G4Element("Beryllium","Be" , 4., 9.01*g/mole);
86 G4Element* N = new G4Element("Nitrogen", "N" << 85 G4Element* N = new G4Element("Nitrogen" ,"N" , 7., 14.01*g/mole);
87 G4Element* O = new G4Element("Oxygen", "O", << 86 G4Element* O = new G4Element("Oxygen" ,"O" , 8., 16.00*g/mole);
88 G4Element* Cr = new G4Element("Chromium", "C << 87 G4Element* Cr = new G4Element("Chromium" ,"Cr" , 24., 51.99*g/mole);
89 G4Element* Fe = new G4Element("Iron", "Fe", << 88 G4Element* Fe = new G4Element("Iron" ,"Fe" , 26., 55.84*g/mole);
90 G4Element* Ni = new G4Element("Nickel", "Ni" << 89 G4Element* Ni = new G4Element("Nickel" ,"Ni" , 28., 58.69*g/mole);
91 << 90
92 G4Material* BeO = new G4Material("BeO", 3.05 << 91 G4Material* BeO =
93 BeO->AddElement(Be, natoms = 1); << 92 new G4Material("BeO", 3.05*g/cm3, ncomponents=2);
94 BeO->AddElement(O, natoms = 1); << 93 BeO->AddElement(Be, natoms=1);
95 << 94 BeO->AddElement( O, natoms=1);
96 G4Material* inox = new G4Material("Stainless << 95
97 inox->AddElement(Fe, 74 * perCent); << 96 G4Material* inox =
98 inox->AddElement(Cr, 18 * perCent); << 97 new G4Material("Stainless-Steel", 8*g/cm3, ncomponents=3);
99 inox->AddElement(Ni, 8 * perCent); << 98 inox->AddElement(Fe, 74*perCent);
100 << 99 inox->AddElement(Cr, 18*perCent);
101 G4Material* Air = new G4Material("Air", 1.29 << 100 inox->AddElement(Ni, 8*perCent);
102 Air->AddElement(N, 70. * perCent); << 101
103 Air->AddElement(O, 30. * perCent); << 102 G4Material* Air =
>> 103 new G4Material("Air", 1.290*mg/cm3, ncomponents=2);
>> 104 Air->AddElement(N, 70.*perCent);
>> 105 Air->AddElement(O, 30.*perCent);
104 106
105 fWorldMaterial = Air; 107 fWorldMaterial = Air;
106 << 108
107 /// G4cout << *(G4Material::GetMaterialTable << 109 ///G4cout << *(G4Material::GetMaterialTable()) << G4endl;
108 } 110 }
109 111
110 //....oooOO0OOooo........oooOO0OOooo........oo 112 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
111 113
112 G4Material* DetectorConstruction::MaterialWith << 114 G4Material* DetectorConstruction::MaterialWithSingleIsotope( G4String name,
113 << 115 G4String symbol, G4double density, G4int Z, G4int A)
114 { 116 {
115 // define a material from an isotope << 117 // define a material from an isotope
116 // << 118 //
117 G4int ncomponents; << 119 G4int ncomponents;
118 G4double abundance, massfraction; << 120 G4double abundance, massfraction;
119 121
120 G4Isotope* isotope = new G4Isotope(symbol, Z << 122 G4Isotope* isotope = new G4Isotope(symbol, Z, A);
>> 123
>> 124 G4Element* element = new G4Element(name, symbol, ncomponents=1);
>> 125 element->AddIsotope(isotope, abundance= 100.*perCent);
>> 126
>> 127 G4Material* material = new G4Material(name, density, ncomponents=1);
>> 128 material->AddElement(element, massfraction=100.*perCent);
121 129
122 G4Element* element = new G4Element(name, sym << 130 return material;
123 element->AddIsotope(isotope, abundance = 100 <<
124 <<
125 G4Material* material = new G4Material(name, <<
126 material->AddElement(element, massfraction = <<
127 <<
128 return material; <<
129 } 131 }
130 132
131 //....oooOO0OOooo........oooOO0OOooo........oo 133 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
132 134
133 G4VPhysicalVolume* DetectorConstruction::Const 135 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
134 { 136 {
135 // Cleanup old geometry 137 // Cleanup old geometry
136 G4GeometryManager::GetInstance()->OpenGeomet 138 G4GeometryManager::GetInstance()->OpenGeometry();
137 G4PhysicalVolumeStore::GetInstance()->Clean( 139 G4PhysicalVolumeStore::GetInstance()->Clean();
138 G4LogicalVolumeStore::GetInstance()->Clean() 140 G4LogicalVolumeStore::GetInstance()->Clean();
139 G4SolidStore::GetInstance()->Clean(); 141 G4SolidStore::GetInstance()->Clean();
140 << 142
141 // compute dimensions 143 // compute dimensions
142 G4double ContainRadius = fAbsorRadius + fCon 144 G4double ContainRadius = fAbsorRadius + fContainThickness;
143 G4double ContainLength = fAbsorLength + 2 * << 145 G4double ContainLength = fAbsorLength + 2*fContainThickness;
144 << 146
145 G4double WorldSizeXY = 2.4 * ContainRadius; << 147 G4double WorldSizeXY = 2.4*ContainRadius;
146 G4double WorldSizeZ = 1.2 * ContainLength; << 148 G4double WorldSizeZ = 1.2*ContainLength;
147 << 149
148 // World 150 // World
149 // 151 //
150 G4Box* sWorld = new G4Box("World", // name << 152 G4Box*
151 0.5 * WorldSizeXY, << 153 sWorld = new G4Box("World", //name
152 << 154 0.5*WorldSizeXY,0.5*WorldSizeXY,0.5*WorldSizeZ); //dimensions
153 G4LogicalVolume* lWorld = new G4LogicalVolum << 155
154 << 156 G4LogicalVolume*
155 << 157 lWorld = new G4LogicalVolume(sWorld, //shape
156 << 158 fWorldMaterial, //material
157 fPWorld = new G4PVPlacement(0, // no rotati << 159 "World"); //name
158 G4ThreeVector(), << 160
159 lWorld, // logi << 161 fPWorld = new G4PVPlacement(0, //no rotation
160 "World", // nam << 162 G4ThreeVector(), //at (0,0,0)
161 0, // mother vo << 163 lWorld, //logical volume
162 false, // no bo << 164 "World", //name
163 0); // copy num << 165 0, //mother volume
>> 166 false, //no boolean operation
>> 167 0); //copy number
164 168
165 // Container 169 // Container
166 // 170 //
167 G4Tubs* sContain = new G4Tubs("Container", << 171 G4Tubs*
168 0., ContainRad << 172 sContain = new G4Tubs("Container", //name
169 << 173 0., ContainRadius, 0.5*ContainLength, 0., twopi); //dimensions
170 fLContain = new G4LogicalVolume(sContain, / << 174
171 fContainMate << 175 fLContain = new G4LogicalVolume(sContain, //shape
172 fContainMate << 176 fContainMaterial, //material
173 << 177 fContainMaterial->GetName()); //name
174 new G4PVPlacement(0, // no rotation << 178
175 G4ThreeVector(), // at (0 << 179 new G4PVPlacement(0, //no rotation
176 fLContain, // logical vol << 180 G4ThreeVector(), //at (0,0,0)
177 fContainMaterial->GetName( << 181 fLContain, //logical volume
178 lWorld, // mother volume << 182 fContainMaterial->GetName(), //name
179 false, // no boolean oper << 183 lWorld, //mother volume
180 0); // copy number << 184 false, //no boolean operation
>> 185 0); //copy number
181 186
182 // Absorber 187 // Absorber
183 // 188 //
184 G4Tubs* sAbsor = new G4Tubs("Absorber", // << 189 G4Tubs*
185 0., fAbsorRadius << 190 sAbsor = new G4Tubs("Absorber", //name
186 << 191 0., fAbsorRadius, 0.5*fAbsorLength, 0., twopi); //dimensions
187 fLAbsor = new G4LogicalVolume(sAbsor, // sh << 192
188 fAbsorMaterial << 193 fLAbsor = new G4LogicalVolume(sAbsor, //shape
189 fAbsorMaterial << 194 fAbsorMaterial, //material
190 << 195 fAbsorMaterial->GetName()); //name
191 new G4PVPlacement(0, // no rotation << 196
192 G4ThreeVector(), // at (0 << 197 new G4PVPlacement(0, //no rotation
193 fLAbsor, // logical volum << 198 G4ThreeVector(), //at (0,0,0)
194 fAbsorMaterial->GetName(), << 199 fLAbsor, //logical volume
195 fLContain, // mother vol << 200 fAbsorMaterial->GetName(), //name
196 false, // no boolean oper << 201 fLContain, //mother volume
197 0); // copy number << 202 false, //no boolean operation
>> 203 0); //copy number
198 204
199 PrintParameters(); 205 PrintParameters();
200 << 206
201 // always return the root volume << 207 //always return the root volume
202 // 208 //
203 return fPWorld; 209 return fPWorld;
204 } 210 }
205 211
206 //....oooOO0OOooo........oooOO0OOooo........oo 212 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
207 213
208 void DetectorConstruction::PrintParameters() 214 void DetectorConstruction::PrintParameters()
209 { 215 {
210 G4cout << "\n The Absorber is a cylinder of << 216 G4cout << "\n The Absorber is a cylinder of " << fAbsorMaterial->GetName()
211 << " radius = " << G4BestUnit(fAbsor << 217 << " radius = " << G4BestUnit(fAbsorRadius,"Length")
212 << " length = " << G4BestUnit(fAbsor << 218 << " length = " << G4BestUnit(fAbsorLength,"Length") << G4endl;
213 G4cout << " The Container is a cylinder of " << 219 G4cout << " The Container is a cylinder of " << fContainMaterial->GetName()
214 << " thickness = " << G4BestUnit(fCo << 220 << " thickness = " << G4BestUnit(fContainThickness,"Length") << G4endl;
215 << 221
216 G4cout << "\n" << fAbsorMaterial << G4endl; << 222 G4cout << "\n" << fAbsorMaterial << G4endl;
217 G4cout << "\n" << fContainMaterial << G4endl << 223 G4cout << "\n" << fContainMaterial << G4endl;
218 } 224 }
219 225
220 //....oooOO0OOooo........oooOO0OOooo........oo 226 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
221 227
222 void DetectorConstruction::SetAbsorMaterial(G4 228 void DetectorConstruction::SetAbsorMaterial(G4String materialChoice)
223 { 229 {
224 // search the material by its name 230 // search the material by its name
225 G4Material* pttoMaterial = G4NistManager::In << 231 G4Material* pttoMaterial =
226 << 232 G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
227 if (pttoMaterial) { << 233
>> 234 if (pttoMaterial) {
228 fAbsorMaterial = pttoMaterial; 235 fAbsorMaterial = pttoMaterial;
229 if (fLAbsor) { << 236 if(fLAbsor) { fLAbsor->SetMaterial(fAbsorMaterial); }
230 fLAbsor->SetMaterial(fAbsorMaterial); <<
231 } <<
232 G4RunManager::GetRunManager()->PhysicsHasB 237 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
233 } << 238 } else {
234 else { << 239 G4cout << "\n--> warning from DetectorConstruction::SetAbsorMaterial : "
235 G4cout << "\n--> warning from DetectorCons << 240 << materialChoice << " not found" << G4endl;
236 << " not found" << G4endl; << 241 }
237 } <<
238 } 242 }
239 243
240 //....oooOO0OOooo........oooOO0OOooo........oo 244 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
241 245
242 void DetectorConstruction::SetContainMaterial( 246 void DetectorConstruction::SetContainMaterial(G4String materialChoice)
243 { 247 {
244 // search the material by its name 248 // search the material by its name
245 G4Material* pttoMaterial = G4NistManager::In << 249 G4Material* pttoMaterial =
246 << 250 G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
247 if (pttoMaterial) { << 251
>> 252 if (pttoMaterial) {
248 fContainMaterial = pttoMaterial; 253 fContainMaterial = pttoMaterial;
249 if (fLContain) { << 254 if(fLContain) { fLContain->SetMaterial(fContainMaterial); }
250 fLContain->SetMaterial(fContainMaterial) <<
251 } <<
252 G4RunManager::GetRunManager()->PhysicsHasB 255 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
253 } << 256 } else {
254 else { << 257 G4cout << "\n--> warning from DetectorConstruction::SetContainMaterial : "
255 G4cout << "\n--> warning from DetectorCons << 258 << materialChoice << " not found" << G4endl;
256 << " not found" << G4endl; << 259 }
257 } <<
258 } 260 }
259 261
260 //....oooOO0OOooo........oooOO0OOooo........oo 262 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
261 263
262 void DetectorConstruction::SetAbsorRadius(G4do 264 void DetectorConstruction::SetAbsorRadius(G4double value)
263 { 265 {
264 fAbsorRadius = value; 266 fAbsorRadius = value;
265 G4RunManager::GetRunManager()->ReinitializeG 267 G4RunManager::GetRunManager()->ReinitializeGeometry();
266 } 268 }
267 269
268 //....oooOO0OOooo........oooOO0OOooo........oo 270 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
269 271
270 void DetectorConstruction::SetAbsorLength(G4do 272 void DetectorConstruction::SetAbsorLength(G4double value)
271 { 273 {
272 fAbsorLength = value; 274 fAbsorLength = value;
273 G4RunManager::GetRunManager()->ReinitializeG 275 G4RunManager::GetRunManager()->ReinitializeGeometry();
274 } 276 }
275 277
276 //....oooOO0OOooo........oooOO0OOooo........oo 278 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
277 279
278 void DetectorConstruction::SetContainThickness 280 void DetectorConstruction::SetContainThickness(G4double value)
279 { 281 {
280 fContainThickness = value; 282 fContainThickness = value;
281 G4RunManager::GetRunManager()->ReinitializeG 283 G4RunManager::GetRunManager()->ReinitializeGeometry();
282 } 284 }
283 285
284 //....oooOO0OOooo........oooOO0OOooo........oo 286 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 287
285 288