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25 //
26 /// \file electromagnetic/TestEm7/src/Detector
27 /// \brief Implementation of the DetectorConst
28 //
29 //
30 //....oooOO0OOooo........oooOO0OOooo........oo
31 //....oooOO0OOooo........oooOO0OOooo........oo
32
33 #include "DetectorConstruction.hh"
34
35 #include "DetectorMessenger.hh"
36
37 #include "G4Box.hh"
38 #include "G4FieldManager.hh"
39 #include "G4GeometryManager.hh"
40 #include "G4LogicalVolume.hh"
41 #include "G4LogicalVolumeStore.hh"
42 #include "G4Material.hh"
43 #include "G4NistManager.hh"
44 #include "G4PVPlacement.hh"
45 #include "G4PhysicalConstants.hh"
46 #include "G4PhysicalVolumeStore.hh"
47 #include "G4RunManager.hh"
48 #include "G4SolidStore.hh"
49 #include "G4SystemOfUnits.hh"
50 #include "G4TransportationManager.hh"
51 #include "G4UniformMagField.hh"
52 #include "G4UnitsTable.hh"
53
54 //....oooOO0OOooo........oooOO0OOooo........oo
55
56 DetectorConstruction::DetectorConstruction()
57 : G4VUserDetectorConstruction(), fMagField(n
58 {
59 // default parameter values
60 fAbsorSizeX = fAbsorSizeYZ = 20 * cm;
61 fWorldSizeX = fWorldSizeYZ = 1.2 * fAbsorSiz
62
63 fTallyNumber = 0;
64 for (G4int j = 0; j < kMaxTally; j++) {
65 fTallySize[j] = fTallyPosition[j] = G4Thre
66 fTallyMass[j] = 0.;
67 fLTally[j] = nullptr;
68 }
69
70 DefineMaterials();
71
72 // create commands for interactive definitio
73 fDetectorMessenger = new DetectorMessenger(t
74 }
75
76 //....oooOO0OOooo........oooOO0OOooo........oo
77
78 DetectorConstruction::~DetectorConstruction()
79 {
80 delete fDetectorMessenger;
81 }
82
83 //....oooOO0OOooo........oooOO0OOooo........oo
84
85 void DetectorConstruction::DefineMaterials()
86 {
87 //
88 // define Elements
89 //
90 G4double z, a;
91
92 G4Element* H = new G4Element("Hydrogen", "H"
93 G4Element* N = new G4Element("Nitrogen", "N"
94 G4Element* O = new G4Element("Oxygen", "O",
95
96 //
97 // define Materials.
98 //
99 G4double density, temperature, pressure;
100 G4int ncomponents, natoms;
101 G4double fractionmass;
102
103 G4Material* H2O = new G4Material("Water", de
104 H2O->AddElement(H, natoms = 2);
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
118 G4Material* vac = new G4Material("TechVacuum
119 vac->AddMaterial(Air, 1.);
120
121 density = universe_mean_density; // from Ph
122 pressure = 3.e-18 * pascal;
123 temperature = 2.73 * kelvin;
124 G4Material* vacuum = new G4Material("Galacti
125 temperat
126
127 // default materials
128 fAbsorMaterial = H2O;
129 fWorldMaterial = vacuum;
130 }
131
132 //....oooOO0OOooo........oooOO0OOooo........oo
133
134 G4VPhysicalVolume* DetectorConstruction::Const
135 {
136 // World
137 //
138 G4Box* sWorld = new G4Box("World", // name
139 fWorldSizeX / 2, f
140
141 fLWorld = new G4LogicalVolume(sWorld, // sh
142 fWorldMaterial
143 "World"); //
144
145 G4VPhysicalVolume* pWorld = new G4PVPlacemen
146
147
148
149
150
151
152 //
153 // Absorber
154 //
155 G4Box* sAbsor = new G4Box("Absorber", // na
156 fAbsorSizeX / 2, f
157
158 fLAbsor = new G4LogicalVolume(sAbsor, // sh
159 fAbsorMaterial
160 "Absorber");
161
162 new G4PVPlacement(0, // no rotation
163 G4ThreeVector(0., 0., 0.),
164 fLAbsor, // logical volum
165 "Absorber", // name
166 fLWorld, // mother volum
167 false, // no boolean oper
168 0); // copy number
169 //
170 // Tallies (optional)
171 //
172 if (fTallyNumber > 0) {
173 for (G4int j = 0; j < fTallyNumber; ++j) {
174 G4Box* sTally =
175 new G4Box("Tally", fTallySize[j].x() /
176
177 fLTally[j] = new G4LogicalVolume(sTally,
178
179 new G4PVPlacement(0, // no rotation
180 fTallyPosition[j], //
181 fLTally[j], // logica
182 "Tally", // name
183 fLAbsor, // mother v
184 false, // no boolean
185 j + 1); // copy numbe
186
187 fTallyMass[j] =
188 fTallySize[j].x() * fTallySize[j].y()
189 }
190 }
191
192 PrintParameters();
193
194 //
195 // always return the World volume
196 //
197 return pWorld;
198 }
199
200 //....oooOO0OOooo........oooOO0OOooo........oo
201
202 void DetectorConstruction::PrintParameters() c
203 {
204 G4cout << *(G4Material::GetMaterialTable())
205 G4cout << "\n-------------------------------
206 G4cout << "---> The Absorber is " << G4BestU
207 << fAbsorMaterial->GetName() << G4end
208 G4cout << "\n-------------------------------
209
210 if (fTallyNumber > 0) {
211 G4cout << "---> There are " << fTallyNumbe
212 for (G4int j = 0; j < fTallyNumber; ++j) {
213 G4cout << "fTally " << j << ": " << fAbs
214 << ", mass = " << G4BestUnit(fTa
215 << " size = " << G4BestUnit(fTall
216 << " position = " << G4BestUnit(f
217 }
218 G4cout << "\n-----------------------------
219 }
220 }
221
222 //....oooOO0OOooo........oooOO0OOooo........oo
223
224 void DetectorConstruction::SetSizeX(G4double v
225 {
226 fAbsorSizeX = value;
227 fWorldSizeX = 1.2 * fAbsorSizeX;
228 }
229
230 //....oooOO0OOooo........oooOO0OOooo........oo
231
232 void DetectorConstruction::SetSizeYZ(G4double
233 {
234 fAbsorSizeYZ = value;
235 fWorldSizeYZ = 1.2 * fAbsorSizeYZ;
236 }
237
238 //....oooOO0OOooo........oooOO0OOooo........oo
239
240 void DetectorConstruction::SetMaterial(const G
241 {
242 // search the material by its name
243 G4Material* pttoMaterial = G4NistManager::In
244 if (pttoMaterial && pttoMaterial != fAbsorMa
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 }
260
261 //....oooOO0OOooo........oooOO0OOooo........oo
262
263 void DetectorConstruction::SetWorldMaterial(co
264 {
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
278 void DetectorConstruction::SetMagField(G4doubl
279 {
280 // apply a global uniform magnetic field alo
281 G4FieldManager* fieldMgr = G4TransportationM
282
283 if (fMagField) delete fMagField; // delete
284
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
297
298 void DetectorConstruction::SetTallyNumber(G4in
299 {
300 if (value >= 0 && value < kMaxTally) {
301 fTallyNumber = value;
302 }
303 else {
304 G4cout << "### DetectorConstruction::SetTa
305 << "number " << value << " is ignor
306 }
307 }
308
309 //....oooOO0OOooo........oooOO0OOooo........oo
310
311 void DetectorConstruction::SetTallySize(G4int
312 {
313 if (j >= 0 && j < kMaxTally) {
314 fTallySize[j] = value;
315 }
316 else {
317 G4cout << "### DetectorConstruction::SetTa
318 << "number " << j << " is ignored"
319 }
320 }
321
322 //....oooOO0OOooo........oooOO0OOooo........oo
323
324 void DetectorConstruction::SetTallyPosition(G4
325 {
326 if (j >= 0 && j < kMaxTally) {
327 fTallyPosition[j] = value;
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 }
358
359 //....oooOO0OOooo........oooOO0OOooo........oo
360