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25 //
26 /// \file DetectorConstruction.cc
27 /// \brief Implementation of the DetectorConstruction class
28 //
29 //
30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32
33 #include "DetectorConstruction.hh"
34
35 #include "DetectorMessenger.hh"
36
37 #include "G4Box.hh"
38 #include "G4GeometryManager.hh"
39 #include "G4LogicalVolume.hh"
40 #include "G4LogicalVolumeStore.hh"
41 #include "G4Material.hh"
42 #include "G4NistManager.hh"
43 #include "G4PVPlacement.hh"
44 #include "G4PhysicalVolumeStore.hh"
45 #include "G4SolidStore.hh"
46 #include "G4SystemOfUnits.hh"
47 #include "G4UnitsTable.hh"
48
49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
50
51 DetectorConstruction::DetectorConstruction()
52 {
53 fBoxSize = 100 * m;
54 DefineMaterials();
55 SetMaterial("Water");
56 fDetectorMessenger = new DetectorMessenger(this);
57 }
58
59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
60
61 DetectorConstruction::~DetectorConstruction()
62 {
63 delete fDetectorMessenger;
64 }
65
66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67
68 G4VPhysicalVolume* DetectorConstruction::Construct()
69 {
70 return ConstructVolumes();
71 }
72
73 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
74
75 void DetectorConstruction::DefineMaterials()
76 {
77 //
78 // define Elements
79 //
80 G4double z, a;
81
82 G4Element* H = new G4Element("Hydrogen", "H", z = 1., a = 1.01 * g / mole);
83 G4Element* N = new G4Element("Nitrogen", "N", z = 7., a = 14.01 * g / mole);
84 G4Element* O = new G4Element("Oxygen", "O", z = 8., a = 16.00 * g / mole);
85 G4Element* Na = new G4Element("Sodium", "Na", z = 11., a = 22.99 * g / mole);
86 G4Element* Ge = new G4Element("Germanium", "Ge", z = 32., a = 72.59 * g / mole);
87 G4Element* I = new G4Element("Iodine", "I", z = 53., a = 126.90 * g / mole);
88 G4Element* Bi = new G4Element("Bismuth", "Bi", z = 83., a = 208.98 * g / mole);
89
90 //
91 // define materials
92 //
93 G4double density;
94 G4int ncomponents, natoms;
95 G4double fractionmass;
96
97 G4Material* Air = new G4Material("Air", density = 1.290 * mg / cm3, ncomponents = 2);
98 Air->AddElement(N, fractionmass = 70. * perCent);
99 Air->AddElement(O, fractionmass = 30. * perCent);
100
101 G4Material* H2l = new G4Material("H2liquid", density = 70.8 * mg / cm3, ncomponents = 1);
102 H2l->AddElement(H, fractionmass = 1.);
103
104 G4Material* H2O = new G4Material("Water", density = 1.000 * g / cm3, ncomponents = 2);
105 H2O->AddElement(H, natoms = 2);
106 H2O->AddElement(O, natoms = 1);
107 H2O->SetChemicalFormula("H_2O");
108 H2O->GetIonisation()->SetMeanExcitationEnergy(78.0 * eV);
109
110 new G4Material("liquidArgon", z = 18., a = 39.95 * g / mole, density = 1.390 * g / cm3);
111
112 new G4Material("Carbon", z = 6., a = 12.01 * g / mole, density = 2.267 * g / cm3);
113
114 new G4Material("Aluminium", z = 13., a = 26.98 * g / mole, density = 2.700 * g / cm3);
115
116 new G4Material("Silicon", z = 14., a = 28.09 * g / mole, density = 2.330 * g / cm3);
117
118 new G4Material("Chromium", z = 24., a = 51.99 * g / mole, density = 7.140 * g / cm3);
119
120 new G4Material("Copper", z = 29., a = 63.55 * g / mole, density = 8.920 * g / cm3);
121
122 new G4Material("Germanium", z = 32., a = 72.61 * g / mole, density = 5.323 * g / cm3);
123
124 new G4Material("Nb", z = 41., a = 92.906 * g / mole, density = 8.57 * g / cm3);
125
126 G4Material* NaI = new G4Material("NaI", density = 3.67 * g / cm3, ncomponents = 2);
127 NaI->AddElement(Na, natoms = 1);
128 NaI->AddElement(I, natoms = 1);
129 NaI->GetIonisation()->SetMeanExcitationEnergy(452 * eV);
130
131 G4Material* Iod = new G4Material("Iodine", density = 4.93 * g / cm3, ncomponents = 1);
132 Iod->AddElement(I, natoms = 1);
133
134 G4Material* BGO = new G4Material("BGO", density = 7.10 * g / cm3, ncomponents = 3);
135 BGO->AddElement(O, natoms = 12);
136 BGO->AddElement(Ge, natoms = 3);
137 BGO->AddElement(Bi, natoms = 4);
138
139 new G4Material("Iron", z = 26., a = 55.85 * g / mole, density = 7.870 * g / cm3);
140
141 new G4Material("Tungsten", z = 74., a = 183.85 * g / mole, density = 19.25 * g / cm3);
142
143 new G4Material("Gold", z = 79., a = 196.97 * g / mole, density = 19.30 * g / cm3);
144
145 new G4Material("Lead", z = 82., a = 207.19 * g / mole, density = 11.35 * g / cm3);
146
147 new G4Material("Uranium", z = 92., a = 238.03 * g / mole, density = 18.95 * g / cm3);
148
149 /// G4cout << *(G4Material::GetMaterialTable()) << G4endl;
150 }
151
152 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
153
154 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
155 {
156 // Cleanup old geometry
157 G4GeometryManager::GetInstance()->OpenGeometry();
158 G4PhysicalVolumeStore::GetInstance()->Clean();
159 G4LogicalVolumeStore::GetInstance()->Clean();
160 G4SolidStore::GetInstance()->Clean();
161
162 G4Box* sBox = new G4Box("Container", // its name
163 fBoxSize / 2, fBoxSize / 2, fBoxSize / 2); // its dimensions
164
165 fLBox = new G4LogicalVolume(sBox, // its shape
166 fMaterial, // its material
167 fMaterial->GetName()); // its name
168
169 fPBox = new G4PVPlacement(0, // no rotation
170 G4ThreeVector(), // at (0,0,0)
171 fLBox, // its logical volume
172 fMaterial->GetName(), // its name
173 0, // its mother volume
174 false, // no boolean operation
175 0); // copy number
176
177 PrintParameters();
178
179 // always return the root volume
180 //
181 return fPBox;
182 }
183
184 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
185
186 void DetectorConstruction::PrintParameters()
187 {
188 G4cout << "\n The Box is " << G4BestUnit(fBoxSize, "Length") << " of " << fMaterial->GetName()
189 << G4endl;
190 G4cout << "\n" << fMaterial << G4endl;
191 }
192
193 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
194
195 #include "G4RunManager.hh"
196
197 void DetectorConstruction::SetMaterial(G4String materialChoice)
198 {
199 // search the material by its name, or build it from nist data base
200 G4Material* pttoMaterial = G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
201
202 if (pttoMaterial) {
203 fMaterial = pttoMaterial;
204 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
205 }
206 else {
207 G4cout << "\n--> warning from DetectorConstruction::SetMaterial : " << materialChoice
208 << " not found" << G4endl;
209 }
210 }
211
212 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
213
214 void DetectorConstruction::SetSize(G4double value)
215 {
216 fBoxSize = value;
217 G4RunManager::GetRunManager()->ReinitializeGeometry();
218 }
219
220 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
221