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25 //
26 /// \file electromagnetic/TestEm18/src/Detecto
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 "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........oo
50
51 DetectorConstruction::DetectorConstruction()
52 {
53 fBoxSize = 1 * cm;
54 DefineMaterials();
55 SetMaterial("Water");
56 fDetectorMessenger = new DetectorMessenger(t
57 }
58
59 //....oooOO0OOooo........oooOO0OOooo........oo
60
61 DetectorConstruction::~DetectorConstruction()
62 {
63 delete fDetectorMessenger;
64 }
65
66 //....oooOO0OOooo........oooOO0OOooo........oo
67
68 G4VPhysicalVolume* DetectorConstruction::Const
69 {
70 return ConstructVolumes();
71 }
72
73 //....oooOO0OOooo........oooOO0OOooo........oo
74
75 void DetectorConstruction::DefineMaterials()
76 {
77 //
78 // define Elements
79 //
80 G4double z, a;
81
82 G4Element* H = new G4Element("Hydrogen", "H"
83 G4Element* N = new G4Element("Nitrogen", "N"
84 G4Element* O = new G4Element("Oxygen", "O",
85
86 //
87 // define materials
88 //
89 G4double density;
90 G4int ncomponents, natoms;
91 G4double fractionmass;
92
93 G4Material* Air = new G4Material("Air", dens
94 Air->AddElement(N, fractionmass = 70. * perC
95 Air->AddElement(O, fractionmass = 30. * perC
96
97 G4Material* H2O = new G4Material("Water", de
98 H2O->AddElement(H, natoms = 2);
99 H2O->AddElement(O, natoms = 1);
100 H2O->GetIonisation()->SetMeanExcitationEnerg
101
102 G4Material* vapor = new G4Material("Water_va
103 vapor->AddElement(H, natoms = 2);
104 vapor->AddElement(O, natoms = 1);
105 vapor->GetIonisation()->SetMeanExcitationEne
106
107 new G4Material("Carbon", z = 6., a = 12.01 *
108 new G4Material("Aluminium", z = 13., a = 26.
109 new G4Material("Silicon", z = 14., a = 28.09
110 new G4Material("liquidArgon", z = 18., a = 3
111 new G4Material("Iron", z = 26., a = 55.85 *
112 new G4Material("Germanium", z = 32., a = 72.
113 new G4Material("Tungsten", z = 74., a = 183.
114 new G4Material("Lead", z = 82., a = 207.19 *
115
116 new G4Material("ArgonGas", z = 18., a = 39.9
117 273.15 * kelvin, 1 * atmosphe
118
119 ////G4cout << *(G4Material::GetMaterialTable
120 }
121
122 //....oooOO0OOooo........oooOO0OOooo........oo
123
124 G4VPhysicalVolume* DetectorConstruction::Const
125 {
126 // Cleanup old geometry
127 G4GeometryManager::GetInstance()->OpenGeomet
128 G4PhysicalVolumeStore::GetInstance()->Clean(
129 G4LogicalVolumeStore::GetInstance()->Clean()
130 G4SolidStore::GetInstance()->Clean();
131
132 G4Box* sBox = new G4Box("Container", // its
133 fBoxSize / 2, fBoxSi
134
135 fLBox = new G4LogicalVolume(sBox, // its sh
136 fMaterial, // i
137 fMaterial->GetNa
138
139 fPBox = new G4PVPlacement(0, // no rotation
140 G4ThreeVector(),
141 fLBox, // its log
142 fMaterial->GetName
143 0, // its mother
144 false, // no bool
145 0); // copy numbe
146
147 PrintParameters();
148
149 // always return the root volume
150 //
151 return fPBox;
152 }
153
154 //....oooOO0OOooo........oooOO0OOooo........oo
155
156 void DetectorConstruction::PrintParameters()
157 {
158 G4cout << "\n The Box is " << G4BestUnit(fBo
159 << "\n " << fMaterial << G4endl;
160 }
161
162 //....oooOO0OOooo........oooOO0OOooo........oo
163
164 void DetectorConstruction::SetMaterial(const G
165 {
166 // search the material by its name
167 G4Material* mat = G4Material::GetMaterial(na
168
169 // create the material by its name
170 if (!mat) {
171 mat = G4NistManager::Instance()->FindOrBui
172 }
173
174 if (mat && mat != fMaterial) {
175 G4cout << "### New material " << mat->GetN
176 fMaterial = mat;
177 UpdateGeometry();
178 }
179
180 if (!mat) {
181 G4cout << "\n--> warning from DetectorCons
182 << G4endl;
183 }
184 }
185
186 //....oooOO0OOooo........oooOO0OOooo........oo
187
188 void DetectorConstruction::SetSize(G4double va
189 {
190 fBoxSize = value;
191 UpdateGeometry();
192 }
193
194 //....oooOO0OOooo........oooOO0OOooo........oo
195
196 #include "G4RunManager.hh"
197
198 void DetectorConstruction::UpdateGeometry()
199 {
200 G4RunManager::GetRunManager()->GeometryHasBe
201 }
202
203 //....oooOO0OOooo........oooOO0OOooo........oo
204