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26 /// \file electromagnetic/TestEm7/src/Detector << 26 // $Id: DetectorConstruction.cc,v 1.10 2008-04-21 13:13:30 vnivanch Exp $
27 /// \brief Implementation of the DetectorConst << 27 // GEANT4 tag $Name: geant4-09-04-patch-02 $
28 // <<
29 // 28 //
30 //....oooOO0OOooo........oooOO0OOooo........oo 29 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 31
33 #include "DetectorConstruction.hh" 32 #include "DetectorConstruction.hh"
34 <<
35 #include "DetectorMessenger.hh" 33 #include "DetectorMessenger.hh"
36 34
>> 35 #include "G4Material.hh"
37 #include "G4Box.hh" 36 #include "G4Box.hh"
38 #include "G4FieldManager.hh" <<
39 #include "G4GeometryManager.hh" <<
40 #include "G4LogicalVolume.hh" 37 #include "G4LogicalVolume.hh"
41 #include "G4LogicalVolumeStore.hh" <<
42 #include "G4Material.hh" <<
43 #include "G4NistManager.hh" <<
44 #include "G4PVPlacement.hh" 38 #include "G4PVPlacement.hh"
45 #include "G4PhysicalConstants.hh" << 39 #include "G4UniformMagField.hh"
>> 40
>> 41 #include "G4GeometryManager.hh"
46 #include "G4PhysicalVolumeStore.hh" 42 #include "G4PhysicalVolumeStore.hh"
47 #include "G4RunManager.hh" << 43 #include "G4LogicalVolumeStore.hh"
48 #include "G4SolidStore.hh" 44 #include "G4SolidStore.hh"
49 #include "G4SystemOfUnits.hh" << 45
50 #include "G4TransportationManager.hh" << 46 #include "G4NistManager.hh"
51 #include "G4UniformMagField.hh" <<
52 #include "G4UnitsTable.hh" 47 #include "G4UnitsTable.hh"
53 48
>> 49 #include "G4FieldManager.hh"
>> 50 #include "G4TransportationManager.hh"
>> 51 #include "G4RunManager.hh"
>> 52
54 //....oooOO0OOooo........oooOO0OOooo........oo 53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
55 54
56 DetectorConstruction::DetectorConstruction() 55 DetectorConstruction::DetectorConstruction()
57 : G4VUserDetectorConstruction(), fMagField(n <<
58 { 56 {
59 // default parameter values 57 // default parameter values
60 fAbsorSizeX = fAbsorSizeYZ = 20 * cm; << 58 absorSizeX = absorSizeYZ = 20*cm;
61 fWorldSizeX = fWorldSizeYZ = 1.2 * fAbsorSiz << 59 worldSizeX = worldSizeYZ = 1.2*absorSizeX;
62 << 60
63 fTallyNumber = 0; << 61 worldMaterial = absorMaterial = 0;
64 for (G4int j = 0; j < kMaxTally; j++) { << 62 magField = 0;
65 fTallySize[j] = fTallyPosition[j] = G4Thre << 63 lAbsor = 0;
66 fTallyMass[j] = 0.; << 64
67 fLTally[j] = nullptr; << 65 tallySize = G4ThreeVector();
68 } << 66 tallyMaterial = 0;
69 << 67 tallyMass = 0.;
>> 68 tallyNumber = 0;
>> 69 tallyPosition = new G4ThreeVector[MaxTally];
>> 70 lTally = 0;
>> 71
70 DefineMaterials(); 72 DefineMaterials();
>> 73 SetMaterial("Water");
>> 74 SetTallyMaterial("Water");
71 75
72 // create commands for interactive definitio << 76 // create commands for interactive definition of the detector
73 fDetectorMessenger = new DetectorMessenger(t << 77 detectorMessenger = new DetectorMessenger(this);
74 } 78 }
75 79
76 //....oooOO0OOooo........oooOO0OOooo........oo 80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
77 81
78 DetectorConstruction::~DetectorConstruction() 82 DetectorConstruction::~DetectorConstruction()
>> 83 { delete [] tallyPosition; delete detectorMessenger;}
>> 84
>> 85 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 86
>> 87 G4VPhysicalVolume* DetectorConstruction::Construct()
79 { 88 {
80 delete fDetectorMessenger; << 89 return ConstructVolumes();
81 } 90 }
82 91
83 //....oooOO0OOooo........oooOO0OOooo........oo 92 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
84 93
85 void DetectorConstruction::DefineMaterials() 94 void DetectorConstruction::DefineMaterials()
86 { << 95 {
87 // 96 //
88 // define Elements 97 // define Elements
89 // 98 //
90 G4double z, a; 99 G4double z, a;
91 100
92 G4Element* H = new G4Element("Hydrogen", "H" << 101 G4Element* H = new G4Element("Hydrogen", "H", z= 1, a= 1.008*g/mole);
93 G4Element* N = new G4Element("Nitrogen", "N" << 102 G4Element* N = new G4Element("Nitrogen", "N", z= 7, a= 14.01*g/mole);
94 G4Element* O = new G4Element("Oxygen", "O", << 103 G4Element* O = new G4Element("Oxygen" , "O", z= 8, a= 16.00*g/mole);
95 104
96 // 105 //
97 // define Materials. 106 // define Materials.
98 // 107 //
99 G4double density, temperature, pressure; 108 G4double density, temperature, pressure;
100 G4int ncomponents, natoms; << 109 G4int ncomponents, natoms;
101 G4double fractionmass; 110 G4double fractionmass;
>> 111
>> 112 G4Material* H2O =
>> 113 new G4Material("Water", density= 1.0*g/cm3, ncomponents=2);
>> 114 H2O->AddElement(H, natoms=2);
>> 115 H2O->AddElement(O, natoms=1);
>> 116 H2O->GetIonisation()->SetMeanExcitationEnergy(75.0*eV);
>> 117
>> 118 G4Material* Air =
>> 119 new G4Material("Air" , density= 1.290*mg/cm3, ncomponents=2);
>> 120 Air->AddElement(N, fractionmass=0.7);
>> 121 Air->AddElement(O, fractionmass=0.3);
102 122
103 G4Material* H2O = new G4Material("Water", de << 123 density = 1.e-5*g/cm3;
104 H2O->AddElement(H, natoms = 2); << 124 pressure = 2.e-2*bar;
105 H2O->AddElement(O, natoms = 1); <<
106 H2O->GetIonisation()->SetMeanExcitationEnerg <<
107 <<
108 // In this line both G4_WATER and Water_1.05 <<
109 G4NistManager::Instance()->BuildMaterialWith <<
110 <<
111 G4Material* Air = new G4Material("Air", dens <<
112 Air->AddElement(N, fractionmass = 0.7); <<
113 Air->AddElement(O, fractionmass = 0.3); <<
114 <<
115 density = 1.e-5 * g / cm3; <<
116 pressure = 2.e-2 * bar; <<
117 temperature = STP_Temperature; // From Phys 125 temperature = STP_Temperature; // From PhysicalConstants.h .
118 G4Material* vac = new G4Material("TechVacuum << 126 G4Material* vac = new G4Material( "TechVacuum", density, 1,
119 vac->AddMaterial(Air, 1.); << 127 kStateGas, temperature, pressure );
>> 128 vac->AddMaterial( Air, 1. );
>> 129
>> 130 density = universe_mean_density; //from PhysicalConstants.h
>> 131 pressure = 3.e-18*pascal;
>> 132 temperature = 2.73*kelvin;
>> 133 G4Material* vacuum =
>> 134 new G4Material("Galactic",z= 1,a= 1.008*g/mole,density,
>> 135 kStateGas,temperature,pressure);
120 136
121 density = universe_mean_density; // from Ph << 137 //default materials
122 pressure = 3.e-18 * pascal; << 138 worldMaterial = vacuum;
123 temperature = 2.73 * kelvin; <<
124 G4Material* vacuum = new G4Material("Galacti <<
125 temperat <<
126 <<
127 // default materials <<
128 fAbsorMaterial = H2O; <<
129 fWorldMaterial = vacuum; <<
130 } 139 }
131 140
132 //....oooOO0OOooo........oooOO0OOooo........oo 141 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
133 << 142
134 G4VPhysicalVolume* DetectorConstruction::Const << 143 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
135 { 144 {
136 // World << 145 G4GeometryManager::GetInstance()->OpenGeometry();
137 // << 146 G4PhysicalVolumeStore::GetInstance()->Clean();
138 G4Box* sWorld = new G4Box("World", // name << 147 G4LogicalVolumeStore::GetInstance()->Clean();
139 fWorldSizeX / 2, f << 148 G4SolidStore::GetInstance()->Clean();
140 149
141 fLWorld = new G4LogicalVolume(sWorld, // sh << 150 // World
142 fWorldMaterial <<
143 "World"); // <<
144 <<
145 G4VPhysicalVolume* pWorld = new G4PVPlacemen <<
146 <<
147 <<
148 <<
149 <<
150 <<
151 <<
152 // 151 //
>> 152 G4Box*
>> 153 sWorld = new G4Box("World", //name
>> 154 worldSizeX/2,worldSizeYZ/2,worldSizeYZ/2); //dimensions
>> 155
>> 156 G4LogicalVolume*
>> 157 lWorld = new G4LogicalVolume(sWorld, //shape
>> 158 worldMaterial, //material
>> 159 "World"); //name
>> 160
>> 161 G4VPhysicalVolume*
>> 162 pWorld = new G4PVPlacement(0, //no rotation
>> 163 G4ThreeVector(), //at (0,0,0)
>> 164 lWorld, //logical volume
>> 165 "World", //name
>> 166 0, //mother volume
>> 167 false, //no boolean operation
>> 168 0); //copy number
>> 169 //
153 // Absorber 170 // Absorber
154 // << 171 //
155 G4Box* sAbsor = new G4Box("Absorber", // na << 172 G4Box*
156 fAbsorSizeX / 2, f << 173 sAbsor = new G4Box("Absorber", //name
157 << 174 absorSizeX/2,absorSizeYZ/2,absorSizeYZ/2); //dimensions
158 fLAbsor = new G4LogicalVolume(sAbsor, // sh << 175
159 fAbsorMaterial << 176 lAbsor = new G4LogicalVolume(sAbsor, //shape
160 "Absorber"); << 177 absorMaterial, //material
161 << 178 "Absorber"); //name
162 new G4PVPlacement(0, // no rotation << 179
163 G4ThreeVector(0., 0., 0.), << 180
164 fLAbsor, // logical volum << 181 new G4PVPlacement(0, //no rotation
165 "Absorber", // name << 182 G4ThreeVector(), //at (0,0,0)
166 fLWorld, // mother volum << 183 lAbsor, //logical volume
167 false, // no boolean oper << 184 "Absorber", //name
168 0); // copy number << 185 lWorld, //mother volume
>> 186 false, //no boolean operation
>> 187 0); //copy number
169 // 188 //
170 // Tallies (optional) 189 // Tallies (optional)
171 // 190 //
172 if (fTallyNumber > 0) { << 191 if (tallyNumber > 0) {
173 for (G4int j = 0; j < fTallyNumber; ++j) { << 192 G4Box*
174 G4Box* sTally = << 193 sTally = new G4Box("Tally",tallySize.x()/2,tallySize.y()/2,tallySize.z()/2);
175 new G4Box("Tally", fTallySize[j].x() / << 194 lTally = new G4LogicalVolume(sTally,tallyMaterial,"Tally");
176 << 195
177 fLTally[j] = new G4LogicalVolume(sTally, << 196 for (G4int j=0; j<tallyNumber; j++)
178 << 197 {
179 new G4PVPlacement(0, // no rotation << 198 new G4PVPlacement(0, //no rotation
180 fTallyPosition[j], // << 199 tallyPosition[j], //position
181 fLTally[j], // logica << 200 lTally, //logical volume
182 "Tally", // name << 201 "Tally", //name
183 fLAbsor, // mother v << 202 lAbsor, //mother volume
184 false, // no boolean << 203 false, //no boolean operation
185 j + 1); // copy numbe << 204 j); //copy number
186 << 205 }
187 fTallyMass[j] = << 206
188 fTallySize[j].x() * fTallySize[j].y() << 207 tallyMass = tallySize.x()*tallySize.y()*tallySize.z()
189 } << 208 *(tallyMaterial->GetDensity());
190 } << 209 }
191 210
192 PrintParameters(); 211 PrintParameters();
193 << 212
194 // <<
195 // always return the World volume <<
196 // 213 //
>> 214 //always return the World volume
>> 215 //
197 return pWorld; 216 return pWorld;
198 } 217 }
199 218
200 //....oooOO0OOooo........oooOO0OOooo........oo 219 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
201 220
202 void DetectorConstruction::PrintParameters() c << 221 void DetectorConstruction::PrintParameters()
203 { 222 {
204 G4cout << *(G4Material::GetMaterialTable()) 223 G4cout << *(G4Material::GetMaterialTable()) << G4endl;
205 G4cout << "\n------------------------------- 224 G4cout << "\n---------------------------------------------------------\n";
206 G4cout << "---> The Absorber is " << G4BestU << 225 G4cout << "---> The Absorber is " << G4BestUnit(absorSizeX,"Length")
207 << fAbsorMaterial->GetName() << G4end << 226 << " of " << absorMaterial->GetName() << G4endl;
208 G4cout << "\n------------------------------- 227 G4cout << "\n---------------------------------------------------------\n";
209 << 228
210 if (fTallyNumber > 0) { << 229 if (tallyNumber > 0) {
211 G4cout << "---> There are " << fTallyNumbe << 230 G4cout << "---> There are " << tallyNumber << " tallies : "
212 for (G4int j = 0; j < fTallyNumber; ++j) { << 231 << G4BestUnit(tallySize,"Length")
213 G4cout << "fTally " << j << ": " << fAbs << 232 << " of " << tallyMaterial->GetName()
214 << ", mass = " << G4BestUnit(fTa << 233 << " (mass : " << G4BestUnit(tallyMass,"Mass") << ")" << G4endl;
215 << " size = " << G4BestUnit(fTall << 234
216 << " position = " << G4BestUnit(f << 235 for (G4int j=0; j<tallyNumber; j++)
217 } << 236 G4cout << "tally " << j << ": "
>> 237 << "position = " << G4BestUnit(tallyPosition[j],"Length") << G4endl;
218 G4cout << "\n----------------------------- 238 G4cout << "\n---------------------------------------------------------\n";
219 } << 239 }
220 } 240 }
221 241
222 //....oooOO0OOooo........oooOO0OOooo........oo 242 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
223 243
224 void DetectorConstruction::SetSizeX(G4double v 244 void DetectorConstruction::SetSizeX(G4double value)
225 { 245 {
226 fAbsorSizeX = value; << 246 absorSizeX = value; worldSizeX = 1.2*absorSizeX;
227 fWorldSizeX = 1.2 * fAbsorSizeX; << 247 G4RunManager::GetRunManager()->GeometryHasBeenModified();
228 } 248 }
229 << 249
230 //....oooOO0OOooo........oooOO0OOooo........oo 250 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
231 251
232 void DetectorConstruction::SetSizeYZ(G4double 252 void DetectorConstruction::SetSizeYZ(G4double value)
233 { 253 {
234 fAbsorSizeYZ = value; << 254 absorSizeYZ = value;
235 fWorldSizeYZ = 1.2 * fAbsorSizeYZ; << 255 worldSizeYZ = 1.2*absorSizeYZ;
236 } << 256 G4RunManager::GetRunManager()->GeometryHasBeenModified();
>> 257 }
237 258
238 //....oooOO0OOooo........oooOO0OOooo........oo 259 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
239 260
240 void DetectorConstruction::SetMaterial(const G << 261 void DetectorConstruction::SetMaterial(G4String materialChoice)
241 { << 262 {
242 // search the material by its name << 263 // search the material by its name
243 G4Material* pttoMaterial = G4NistManager::In << 264 G4Material* pttoMaterial =
244 if (pttoMaterial && pttoMaterial != fAbsorMa << 265 G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
245 // change target material everywhere << 266 if (pttoMaterial) {
246 fAbsorMaterial = pttoMaterial; << 267 absorMaterial = pttoMaterial;
247 for (G4int j = 0; j < fTallyNumber; ++j) { << 268 if(lAbsor) {
248 if (fLTally[j]) { << 269 lAbsor->SetMaterial(absorMaterial);
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 270 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
257 } 271 }
258 } 272 }
259 } 273 }
260 274
261 //....oooOO0OOooo........oooOO0OOooo........oo 275 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
262 276
263 void DetectorConstruction::SetWorldMaterial(co << 277 void DetectorConstruction::SetMagField(G4double fieldValue)
264 { 278 {
265 // search the material by its name << 279 //apply a global uniform magnetic field along Z axis
266 G4Material* pttoMaterial = G4NistManager::In << 280 G4FieldManager* fieldMgr
267 if (pttoMaterial && pttoMaterial != fWorldMa << 281 = G4TransportationManager::GetTransportationManager()->GetFieldManager();
268 fWorldMaterial = pttoMaterial; << 282
269 if (fLWorld) { << 283 if (magField) delete magField; //delete the existing magn field
270 fLWorld->SetMaterial(fAbsorMaterial); << 284
271 G4RunManager::GetRunManager()->PhysicsHa << 285 if (fieldValue!=0.) // create a new one if non nul
>> 286 {
>> 287 magField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue));
>> 288 fieldMgr->SetDetectorField(magField);
>> 289 fieldMgr->CreateChordFinder(magField);
>> 290 }
>> 291 else
>> 292 {
>> 293 magField = 0;
>> 294 fieldMgr->SetDetectorField(magField);
272 } 295 }
273 } <<
274 } 296 }
275 <<
276 //....oooOO0OOooo........oooOO0OOooo........oo 297 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
277 298
278 void DetectorConstruction::SetMagField(G4doubl << 299 void DetectorConstruction::SetTallySize(G4ThreeVector value)
279 { 300 {
280 // apply a global uniform magnetic field alo << 301 tallySize = value;
281 G4FieldManager* fieldMgr = G4TransportationM << 302 G4RunManager::GetRunManager()->GeometryHasBeenModified();
282 << 303 }
283 if (fMagField) delete fMagField; // delete <<
284 304
285 if (fieldValue != 0.) // create a new one i <<
286 { <<
287 fMagField = new G4UniformMagField(G4ThreeV <<
288 fieldMgr->SetDetectorField(fMagField); <<
289 fieldMgr->CreateChordFinder(fMagField); <<
290 } <<
291 else { <<
292 fMagField = nullptr; <<
293 fieldMgr->SetDetectorField(fMagField); <<
294 } <<
295 } <<
296 //....oooOO0OOooo........oooOO0OOooo........oo 305 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
297 306
298 void DetectorConstruction::SetTallyNumber(G4in << 307 void DetectorConstruction::SetTallyMaterial(G4String materialChoice)
299 { 308 {
300 if (value >= 0 && value < kMaxTally) { << 309 // search the material by its name
301 fTallyNumber = value; << 310 G4Material* pttoMaterial =
302 } << 311 G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
303 else { << 312 if (pttoMaterial) {
304 G4cout << "### DetectorConstruction::SetTa << 313 tallyMaterial = pttoMaterial;
305 << "number " << value << " is ignor << 314 if(lTally) {
>> 315 lTally->SetMaterial(tallyMaterial);
>> 316 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
>> 317 }
306 } 318 }
307 } 319 }
308 320
309 //....oooOO0OOooo........oooOO0OOooo........oo 321 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
310 322
311 void DetectorConstruction::SetTallySize(G4int << 323 void DetectorConstruction::SetTallyPosition(G4ThreeVector value)
312 { 324 {
313 if (j >= 0 && j < kMaxTally) { << 325 if (tallyNumber < MaxTally) {
314 fTallySize[j] = value; << 326 tallyPosition[tallyNumber] = value;
315 } << 327 tallyNumber++;
316 else { <<
317 G4cout << "### DetectorConstruction::SetTa <<
318 << "number " << j << " is ignored" <<
319 } 328 }
320 } << 329 G4RunManager::GetRunManager()->GeometryHasBeenModified();
>> 330 }
321 331
322 //....oooOO0OOooo........oooOO0OOooo........oo 332 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
323 << 333
324 void DetectorConstruction::SetTallyPosition(G4 << 334 void DetectorConstruction::UpdateGeometry()
325 { 335 {
326 if (j >= 0 && j < kMaxTally) { << 336 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
327 fTallyPosition[j] = value; << 337 G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes());
328 } <<
329 else { <<
330 G4cout << "### DetectorConstruction::SetTa <<
331 << "number " << j << " is ignored" <<
332 } <<
333 } <<
334 <<
335 G4double DetectorConstruction::GetTallyMass(G4 <<
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 <<
347 const G4LogicalVolume* DetectorConstruction::G <<
348 { <<
349 if (j >= 0 && j < kMaxTally) { <<
350 return fLTally[j]; <<
351 } <<
352 else { <<
353 G4cout << "### DetectorConstruction::GetLO <<
354 << "number " << j << " is ignored" <<
355 return nullptr; <<
356 } <<
357 } 338 }
358 339
359 //....oooOO0OOooo........oooOO0OOooo........oo 340 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
360 341