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26 /// \file electromagnetic/TestEm7/src/Detector << 23 // $Id: DetectorConstruction.cc,v 1.4 2003/11/25 15:19:05 gcosmo Exp $
27 /// \brief Implementation of the DetectorConst << 24 // GEANT4 tag $Name: geant4-07-01 $
28 // <<
29 // 25 //
30 //....oooOO0OOooo........oooOO0OOooo........oo 26 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 27 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 28
33 #include "DetectorConstruction.hh" 29 #include "DetectorConstruction.hh"
34 <<
35 #include "DetectorMessenger.hh" 30 #include "DetectorMessenger.hh"
36 31
>> 32 #include "G4Material.hh"
37 #include "G4Box.hh" 33 #include "G4Box.hh"
38 #include "G4FieldManager.hh" <<
39 #include "G4GeometryManager.hh" <<
40 #include "G4LogicalVolume.hh" 34 #include "G4LogicalVolume.hh"
41 #include "G4LogicalVolumeStore.hh" <<
42 #include "G4Material.hh" <<
43 #include "G4NistManager.hh" <<
44 #include "G4PVPlacement.hh" 35 #include "G4PVPlacement.hh"
45 #include "G4PhysicalConstants.hh" << 36 #include "G4UniformMagField.hh"
>> 37
>> 38 #include "G4GeometryManager.hh"
46 #include "G4PhysicalVolumeStore.hh" 39 #include "G4PhysicalVolumeStore.hh"
47 #include "G4RunManager.hh" << 40 #include "G4LogicalVolumeStore.hh"
48 #include "G4SolidStore.hh" 41 #include "G4SolidStore.hh"
49 #include "G4SystemOfUnits.hh" << 42
50 #include "G4TransportationManager.hh" <<
51 #include "G4UniformMagField.hh" <<
52 #include "G4UnitsTable.hh" 43 #include "G4UnitsTable.hh"
53 44
54 //....oooOO0OOooo........oooOO0OOooo........oo 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
55 46
56 DetectorConstruction::DetectorConstruction() 47 DetectorConstruction::DetectorConstruction()
57 : G4VUserDetectorConstruction(), fMagField(n <<
58 { 48 {
59 // default parameter values 49 // default parameter values
60 fAbsorSizeX = fAbsorSizeYZ = 20 * cm; << 50 absorSizeX = absorSizeYZ = 20*cm;
61 fWorldSizeX = fWorldSizeYZ = 1.2 * fAbsorSiz << 51 worldSizeX = worldSizeYZ = 1.2*absorSizeX;
62 << 52
63 fTallyNumber = 0; << 53 worldMaterial = absorMaterial = 0;
64 for (G4int j = 0; j < kMaxTally; j++) { << 54 magField = 0;
65 fTallySize[j] = fTallyPosition[j] = G4Thre << 55 lAbsor = 0;
66 fTallyMass[j] = 0.; << 56
67 fLTally[j] = nullptr; << 57 tallySize = G4ThreeVector();
68 } << 58 tallyMaterial = 0;
69 << 59 tallyMass = 0.;
>> 60 tallyNumber = 0;
>> 61 tallyPosition = new G4ThreeVector[MaxTally];
>> 62 lTally = 0;
>> 63
70 DefineMaterials(); 64 DefineMaterials();
>> 65 SetMaterial("Water");
>> 66 SetTallyMaterial("Water");
71 67
72 // create commands for interactive definitio << 68 // create commands for interactive definition of the detector
73 fDetectorMessenger = new DetectorMessenger(t << 69 detectorMessenger = new DetectorMessenger(this);
74 } 70 }
75 71
76 //....oooOO0OOooo........oooOO0OOooo........oo 72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
77 73
78 DetectorConstruction::~DetectorConstruction() 74 DetectorConstruction::~DetectorConstruction()
>> 75 { delete [] tallyPosition; delete detectorMessenger;}
>> 76
>> 77 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 78
>> 79 G4VPhysicalVolume* DetectorConstruction::Construct()
79 { 80 {
80 delete fDetectorMessenger; << 81 return ConstructVolumes();
81 } 82 }
82 83
83 //....oooOO0OOooo........oooOO0OOooo........oo 84 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
84 85
85 void DetectorConstruction::DefineMaterials() 86 void DetectorConstruction::DefineMaterials()
86 { << 87 {
87 // << 88 //
88 // define Elements << 89 // define Elements
89 // << 90 //
90 G4double z, a; << 91 G4double z, a;
91 92
92 G4Element* H = new G4Element("Hydrogen", "H" << 93 G4Element* H = new G4Element("Hydrogen", "H", z= 1, a= 1.008*g/mole);
93 G4Element* N = new G4Element("Nitrogen", "N" << 94 G4Element* N = new G4Element("Nitrogen", "N", z= 7, a= 14.01*g/mole);
94 G4Element* O = new G4Element("Oxygen", "O", << 95 G4Element* O = new G4Element("Oxygen" , "O", z= 8, a= 16.00*g/mole);
95 96
96 // << 97 //
97 // define Materials. << 98 // define Materials.
98 // << 99 //
99 G4double density, temperature, pressure; << 100 G4double density, temperature, pressure;
100 G4int ncomponents, natoms; << 101 G4int ncomponents, natoms;
101 G4double fractionmass; << 102 G4double fractionmass;
102 << 103
103 G4Material* H2O = new G4Material("Water", de << 104 G4Material* H2O =
104 H2O->AddElement(H, natoms = 2); << 105 new G4Material("Water", density= 1.000*g/cm3, ncomponents=2);
105 H2O->AddElement(O, natoms = 1); << 106 H2O->AddElement(H, natoms=2);
106 H2O->GetIonisation()->SetMeanExcitationEnerg << 107 H2O->AddElement(O, natoms=1);
107 << 108 H2O->GetIonisation()->SetMeanExcitationEnergy(75.0*eV);
108 // In this line both G4_WATER and Water_1.05 << 109
109 G4NistManager::Instance()->BuildMaterialWith << 110 G4Material* Air =
110 << 111 new G4Material("Air" , density= 1.290*mg/cm3, ncomponents=2);
111 G4Material* Air = new G4Material("Air", dens << 112 Air->AddElement(N, fractionmass=0.7);
112 Air->AddElement(N, fractionmass = 0.7); << 113 Air->AddElement(O, fractionmass=0.3);
113 Air->AddElement(O, fractionmass = 0.3); << 114
114 << 115 density = universe_mean_density; //from PhysicalConstants.h
115 density = 1.e-5 * g / cm3; << 116 pressure = 3.e-18*pascal;
116 pressure = 2.e-2 * bar; << 117 temperature = 2.73*kelvin;
117 temperature = STP_Temperature; // From Phys << 118 G4Material* vacuum =
118 G4Material* vac = new G4Material("TechVacuum << 119 new G4Material("Galactic",z= 1,a= 1.008*g/mole,density,
119 vac->AddMaterial(Air, 1.); << 120 kStateGas,temperature,pressure);
120 << 121
121 density = universe_mean_density; // from Ph << 122 G4cout << *(G4Material::GetMaterialTable()) << G4endl;
122 pressure = 3.e-18 * pascal; << 123
123 temperature = 2.73 * kelvin; << 124 //default materials
124 G4Material* vacuum = new G4Material("Galacti << 125 worldMaterial = vacuum;
125 temperat <<
126 <<
127 // default materials <<
128 fAbsorMaterial = H2O; <<
129 fWorldMaterial = vacuum; <<
130 } 126 }
131 127
132 //....oooOO0OOooo........oooOO0OOooo........oo 128 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 129
>> 130 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
>> 131 {
>> 132 G4GeometryManager::GetInstance()->OpenGeometry();
>> 133 G4PhysicalVolumeStore::GetInstance()->Clean();
>> 134 G4LogicalVolumeStore::GetInstance()->Clean();
>> 135 G4SolidStore::GetInstance()->Clean();
133 136
134 G4VPhysicalVolume* DetectorConstruction::Const <<
135 { <<
136 // World 137 // World
137 // 138 //
138 G4Box* sWorld = new G4Box("World", // name << 139 G4Box*
139 fWorldSizeX / 2, f << 140 sWorld = new G4Box("World", //name
140 << 141 worldSizeX/2,worldSizeYZ/2,worldSizeYZ/2); //dimensions
141 fLWorld = new G4LogicalVolume(sWorld, // sh << 142
142 fWorldMaterial << 143 G4LogicalVolume*
143 "World"); // << 144 lWorld = new G4LogicalVolume(sWorld, //shape
144 << 145 worldMaterial, //material
145 G4VPhysicalVolume* pWorld = new G4PVPlacemen << 146 "World"); //name
146 << 147
147 << 148 G4VPhysicalVolume*
148 << 149 pWorld = new G4PVPlacement(0, //no rotation
149 << 150 G4ThreeVector(), //at (0,0,0)
150 << 151 lWorld, //logical volume
151 << 152 "World", //name
152 // << 153 0, //mother volume
>> 154 false, //no boolean operation
>> 155 0); //copy number
>> 156 //
153 // Absorber 157 // Absorber
154 // << 158 //
155 G4Box* sAbsor = new G4Box("Absorber", // na << 159 G4Box*
156 fAbsorSizeX / 2, f << 160 sAbsor = new G4Box("Absorber", //name
157 << 161 absorSizeX/2,absorSizeYZ/2,absorSizeYZ/2); //dimensions
158 fLAbsor = new G4LogicalVolume(sAbsor, // sh << 162
159 fAbsorMaterial << 163 lAbsor = new G4LogicalVolume(sAbsor, //shape
160 "Absorber"); << 164 absorMaterial, //material
161 << 165 "Absorber"); //name
162 new G4PVPlacement(0, // no rotation << 166
163 G4ThreeVector(0., 0., 0.), << 167
164 fLAbsor, // logical volum << 168 new G4PVPlacement(0, //no rotation
165 "Absorber", // name << 169 G4ThreeVector(), //at (0,0,0)
166 fLWorld, // mother volum << 170 lAbsor, //logical volume
167 false, // no boolean oper << 171 "Absorber", //name
168 0); // copy number << 172 lWorld, //mother volume
>> 173 false, //no boolean operation
>> 174 0); //copy number
169 // 175 //
170 // Tallies (optional) 176 // Tallies (optional)
171 // 177 //
172 if (fTallyNumber > 0) { << 178 if (tallyNumber > 0) {
173 for (G4int j = 0; j < fTallyNumber; ++j) { << 179 G4Box*
174 G4Box* sTally = << 180 sTally = new G4Box("Tally",tallySize.x()/2,tallySize.y()/2,tallySize.z()/2);
175 new G4Box("Tally", fTallySize[j].x() / << 181 lTally = new G4LogicalVolume(sTally,tallyMaterial,"Tally");
176 << 182
177 fLTally[j] = new G4LogicalVolume(sTally, << 183 for (G4int j=0; j<tallyNumber; j++)
178 << 184 {
179 new G4PVPlacement(0, // no rotation << 185 new G4PVPlacement(0, //no rotation
180 fTallyPosition[j], // << 186 tallyPosition[j], //position
181 fLTally[j], // logica << 187 lTally, //logical volume
182 "Tally", // name << 188 "Tally", //name
183 fLAbsor, // mother v << 189 lAbsor, //mother volume
184 false, // no boolean << 190 false, //no boolean operation
185 j + 1); // copy numbe << 191 j); //copy number
186 << 192 }
187 fTallyMass[j] = << 193
188 fTallySize[j].x() * fTallySize[j].y() << 194 tallyMass = tallySize.x()*tallySize.y()*tallySize.z()
189 } << 195 *(tallyMaterial->GetDensity());
190 } << 196 }
191 197
192 PrintParameters(); 198 PrintParameters();
193 << 199
194 // <<
195 // always return the World volume <<
196 // 200 //
>> 201 //always return the World volume
>> 202 //
197 return pWorld; 203 return pWorld;
198 } 204 }
199 205
200 //....oooOO0OOooo........oooOO0OOooo........oo 206 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
201 207
202 void DetectorConstruction::PrintParameters() c << 208 void DetectorConstruction::PrintParameters()
203 { 209 {
204 G4cout << *(G4Material::GetMaterialTable()) <<
205 G4cout << "\n------------------------------- 210 G4cout << "\n---------------------------------------------------------\n";
206 G4cout << "---> The Absorber is " << G4BestU << 211 G4cout << "---> The Absorber is " << G4BestUnit(absorSizeX,"Length")
207 << fAbsorMaterial->GetName() << G4end << 212 << " of " << absorMaterial->GetName() << G4endl;
208 G4cout << "\n------------------------------- 213 G4cout << "\n---------------------------------------------------------\n";
209 << 214
210 if (fTallyNumber > 0) { << 215 if (tallyNumber > 0) {
211 G4cout << "---> There are " << fTallyNumbe << 216 G4cout << "---> There are " << tallyNumber << " tallies : "
212 for (G4int j = 0; j < fTallyNumber; ++j) { << 217 << G4BestUnit(tallySize,"Length")
213 G4cout << "fTally " << j << ": " << fAbs << 218 << " of " << tallyMaterial->GetName() << G4endl;
214 << ", mass = " << G4BestUnit(fTa << 219
215 << " size = " << G4BestUnit(fTall << 220 for (G4int j=0; j<tallyNumber; j++)
216 << " position = " << G4BestUnit(f << 221 G4cout << "tally " << j << ": "
217 } << 222 << "position = " << G4BestUnit(tallyPosition[j],"Length") << G4endl;
218 G4cout << "\n----------------------------- 223 G4cout << "\n---------------------------------------------------------\n";
219 } << 224 }
220 } 225 }
221 226
222 //....oooOO0OOooo........oooOO0OOooo........oo 227 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
223 228
224 void DetectorConstruction::SetSizeX(G4double v 229 void DetectorConstruction::SetSizeX(G4double value)
225 { 230 {
226 fAbsorSizeX = value; << 231 absorSizeX = value; worldSizeX = 1.2*absorSizeX;
227 fWorldSizeX = 1.2 * fAbsorSizeX; <<
228 } 232 }
229 << 233
230 //....oooOO0OOooo........oooOO0OOooo........oo 234 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
231 235
232 void DetectorConstruction::SetSizeYZ(G4double 236 void DetectorConstruction::SetSizeYZ(G4double value)
233 { 237 {
234 fAbsorSizeYZ = value; << 238 absorSizeYZ = value;
235 fWorldSizeYZ = 1.2 * fAbsorSizeYZ; << 239 worldSizeYZ = 1.2*absorSizeYZ;
236 } << 240 }
237 241
238 //....oooOO0OOooo........oooOO0OOooo........oo 242 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
239 243
240 void DetectorConstruction::SetMaterial(const G << 244 void DetectorConstruction::SetMaterial(G4String materialChoice)
241 { 245 {
242 // search the material by its name << 246 // search the material by its name
243 G4Material* pttoMaterial = G4NistManager::In << 247 G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice);
244 if (pttoMaterial && pttoMaterial != fAbsorMa << 248 if (pttoMaterial) absorMaterial = pttoMaterial;
245 // change target material everywhere <<
246 fAbsorMaterial = pttoMaterial; <<
247 for (G4int j = 0; j < fTallyNumber; ++j) { <<
248 if (fLTally[j]) { <<
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 <<
257 } <<
258 } <<
259 } 249 }
260 250
261 //....oooOO0OOooo........oooOO0OOooo........oo 251 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
262 252
263 void DetectorConstruction::SetWorldMaterial(co << 253 #include "G4FieldManager.hh"
264 { << 254 #include "G4TransportationManager.hh"
265 // search the material by its name <<
266 G4Material* pttoMaterial = G4NistManager::In <<
267 if (pttoMaterial && pttoMaterial != fWorldMa <<
268 fWorldMaterial = pttoMaterial; <<
269 if (fLWorld) { <<
270 fLWorld->SetMaterial(fAbsorMaterial); <<
271 G4RunManager::GetRunManager()->PhysicsHa <<
272 } <<
273 } <<
274 } <<
275 <<
276 //....oooOO0OOooo........oooOO0OOooo........oo <<
277 255
278 void DetectorConstruction::SetMagField(G4doubl 256 void DetectorConstruction::SetMagField(G4double fieldValue)
279 { 257 {
280 // apply a global uniform magnetic field alo << 258 //apply a global uniform magnetic field along Z axis
281 G4FieldManager* fieldMgr = G4TransportationM << 259 G4FieldManager* fieldMgr
282 << 260 = G4TransportationManager::GetTransportationManager()->GetFieldManager();
283 if (fMagField) delete fMagField; // delete << 261
284 << 262 if (magField) delete magField; //delete the existing magn field
285 if (fieldValue != 0.) // create a new one i << 263
286 { << 264 if (fieldValue!=0.) // create a new one if non nul
287 fMagField = new G4UniformMagField(G4ThreeV << 265 {
288 fieldMgr->SetDetectorField(fMagField); << 266 magField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue));
289 fieldMgr->CreateChordFinder(fMagField); << 267 fieldMgr->SetDetectorField(magField);
290 } << 268 fieldMgr->CreateChordFinder(magField);
291 else { << 269 }
292 fMagField = nullptr; << 270 else
293 fieldMgr->SetDetectorField(fMagField); << 271 {
294 } << 272 magField = 0;
>> 273 fieldMgr->SetDetectorField(magField);
>> 274 }
295 } 275 }
296 //....oooOO0OOooo........oooOO0OOooo........oo 276 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
297 277
298 void DetectorConstruction::SetTallyNumber(G4in << 278 void DetectorConstruction::SetTallySize(G4ThreeVector value)
299 { 279 {
300 if (value >= 0 && value < kMaxTally) { << 280 tallySize = value;
301 fTallyNumber = value; << 281 }
302 } <<
303 else { <<
304 G4cout << "### DetectorConstruction::SetTa <<
305 << "number " << value << " is ignor <<
306 } <<
307 } <<
308 282
309 //....oooOO0OOooo........oooOO0OOooo........oo 283 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
310 284
311 void DetectorConstruction::SetTallySize(G4int << 285 void DetectorConstruction::SetTallyMaterial(G4String materialChoice)
312 { 286 {
313 if (j >= 0 && j < kMaxTally) { << 287 // search the material by its name
314 fTallySize[j] = value; << 288 G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice);
315 } << 289 if (pttoMaterial) tallyMaterial = pttoMaterial;
316 else { <<
317 G4cout << "### DetectorConstruction::SetTa <<
318 << "number " << j << " is ignored" <<
319 } <<
320 } 290 }
321 291
322 //....oooOO0OOooo........oooOO0OOooo........oo 292 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
323 293
324 void DetectorConstruction::SetTallyPosition(G4 << 294 void DetectorConstruction::SetTallyPosition(G4ThreeVector value)
325 { 295 {
326 if (j >= 0 && j < kMaxTally) { << 296 if (tallyNumber < MaxTally) {
327 fTallyPosition[j] = value; << 297 tallyPosition[tallyNumber] = value;
>> 298 tallyNumber++;
328 } 299 }
329 else { << 300 }
330 G4cout << "### DetectorConstruction::SetTa <<
331 << "number " << j << " is ignored" <<
332 } <<
333 } <<
334 301
335 G4double DetectorConstruction::GetTallyMass(G4 << 302 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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 } <<
346 303
347 const G4LogicalVolume* DetectorConstruction::G << 304 #include "G4RunManager.hh"
>> 305
>> 306 void DetectorConstruction::UpdateGeometry()
348 { 307 {
349 if (j >= 0 && j < kMaxTally) { << 308 G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes());
350 return fLTally[j]; <<
351 } <<
352 else { <<
353 G4cout << "### DetectorConstruction::GetLO <<
354 << "number " << j << " is ignored" <<
355 return nullptr; <<
356 } <<
357 } 309 }
358 310
359 //....oooOO0OOooo........oooOO0OOooo........oo 311 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
360 312