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25 // 22 //
26 /// \file electromagnetic/TestEm1/src/Detector << 23
27 /// \brief Implementation of the DetectorConst <<
28 // 24 //
>> 25 // $Id: DetectorConstruction.cc,v 1.4 2004/08/03 11:31:44 maire Exp $
>> 26 // GEANT4 tag $Name: geant4-07-00-patch-01 $
29 // 27 //
>> 28 //
30 29
31 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
33 32
34 #include "DetectorConstruction.hh" 33 #include "DetectorConstruction.hh"
35 <<
36 #include "DetectorMessenger.hh" 34 #include "DetectorMessenger.hh"
37 35
38 #include "G4AutoDelete.hh" << 36 #include "G4Material.hh"
39 #include "G4Box.hh" 37 #include "G4Box.hh"
40 #include "G4GeometryManager.hh" <<
41 #include "G4GlobalMagFieldMessenger.hh" <<
42 #include "G4LogicalVolume.hh" 38 #include "G4LogicalVolume.hh"
43 #include "G4LogicalVolumeStore.hh" <<
44 #include "G4Material.hh" <<
45 #include "G4NistManager.hh" <<
46 #include "G4PVPlacement.hh" 39 #include "G4PVPlacement.hh"
47 #include "G4PhysicalConstants.hh" << 40 #include "G4UniformMagField.hh"
>> 41
>> 42 #include "G4GeometryManager.hh"
48 #include "G4PhysicalVolumeStore.hh" 43 #include "G4PhysicalVolumeStore.hh"
49 #include "G4RunManager.hh" << 44 #include "G4LogicalVolumeStore.hh"
50 #include "G4SolidStore.hh" 45 #include "G4SolidStore.hh"
51 #include "G4SystemOfUnits.hh" << 46
52 #include "G4UnitsTable.hh" 47 #include "G4UnitsTable.hh"
53 48
54 //....oooOO0OOooo........oooOO0OOooo........oo 49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
55 50
56 DetectorConstruction::DetectorConstruction() 51 DetectorConstruction::DetectorConstruction()
>> 52 :pBox(0), lBox(0), aMaterial(0), magField(0)
57 { 53 {
58 fBoxSize = 10 * m; << 54 BoxSize = 10*m;
59 DefineMaterials(); 55 DefineMaterials();
60 SetMaterial("G4_Al"); << 56 SetMaterial("Aluminium");
61 fDetectorMessenger = new DetectorMessenger(t << 57 detectorMessenger = new DetectorMessenger(this);
62 } 58 }
63 59
64 //....oooOO0OOooo........oooOO0OOooo........oo 60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65 61
66 DetectorConstruction::~DetectorConstruction() 62 DetectorConstruction::~DetectorConstruction()
>> 63 { delete detectorMessenger;}
>> 64
>> 65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 66
>> 67 G4VPhysicalVolume* DetectorConstruction::Construct()
67 { 68 {
68 delete fDetectorMessenger; << 69 return ConstructVolumes();
69 } 70 }
70 71
71 //....oooOO0OOooo........oooOO0OOooo........oo 72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
72 73
73 void DetectorConstruction::DefineMaterials() 74 void DetectorConstruction::DefineMaterials()
74 { 75 {
75 // 76 //
76 // define Elements 77 // define Elements
77 // 78 //
78 G4double z, a; << 79 G4double z,a;
79 << 80
80 G4Element* H = new G4Element("Hydrogen", "H" << 81 G4Element* H = new G4Element("Hydrogen" ,"H" , z= 1., a= 1.01*g/mole);
81 G4Element* C = new G4Element("Hydrogen", "C" << 82 G4Element* N = new G4Element("Nitrogen" ,"N" , z= 7., a= 14.01*g/mole);
82 G4Element* N = new G4Element("Nitrogen", "N" << 83 G4Element* O = new G4Element("Oxygen" ,"O" , z= 8., a= 16.00*g/mole);
83 G4Element* O = new G4Element("Oxygen", "O", << 84 G4Element* Ge = new G4Element("Germanium","Ge", z=32., a= 72.59*g/mole);
84 G4Element* Ge = new G4Element("Germanium", " << 85 G4Element* Bi = new G4Element("Bismuth" ,"Bi", z=83., a= 208.98*g/mole);
85 G4Element* Bi = new G4Element("Bismuth", "Bi << 86
86 <<
87 // 87 //
88 // define materials 88 // define materials
89 // 89 //
90 G4double density; 90 G4double density;
91 G4int ncomponents, natoms; 91 G4int ncomponents, natoms;
92 G4double fractionmass; << 92 G4double fractionmass;
93 << 93
94 G4Material* Air = new G4Material("Air", dens << 94 G4Material* Air =
95 Air->AddElement(N, fractionmass = 70. * perC << 95 new G4Material("Air", density= 1.290*mg/cm3, ncomponents=2);
96 Air->AddElement(O, fractionmass = 30. * perC << 96 Air->AddElement(N, fractionmass=70.*perCent);
97 << 97 Air->AddElement(O, fractionmass=30.*perCent);
98 G4Material* H2l = new G4Material("H2liquid", <<
99 H2l->AddElement(H, fractionmass = 1.); <<
100 <<
101 G4Material* H2O = new G4Material("Water", de <<
102 H2O->AddElement(H, natoms = 2); <<
103 H2O->AddElement(O, natoms = 1); <<
104 /// H2O->SetChemicalFormula("H_2O"); <<
105 H2O->GetIonisation()->SetMeanExcitationEnerg <<
106 <<
107 density = 0.001 * mg / cm3; <<
108 G4Material* CO2 = new G4Material("CO2", dens <<
109 CO2->AddElement(C, natoms = 1); <<
110 CO2->AddElement(O, natoms = 2); <<
111 <<
112 G4Isotope* d = new G4Isotope("d", 1, 2, 0.0, <<
113 G4Element* D = new G4Element("Heavy-Hydrogen <<
114 D->AddIsotope(d, 1.0); <<
115 G4Material* D2 = new G4Material("D2_gas", de <<
116 D2->AddElement(D, natoms = 2); <<
117 <<
118 new G4Material("liquidArgon", z = 18., a = 3 <<
119 <<
120 new G4Material("Aluminium", z = 13., a = 26. <<
121 98
122 new G4Material("Silicon", z = 14., a = 28.09 << 99 G4Material* H2l =
>> 100 new G4Material("H2liquid", density= 70.8*mg/cm3, ncomponents=1);
>> 101 H2l->AddElement(H, fractionmass=1.);
123 102
124 new G4Material("Chromium", z = 24., a = 51.9 << 103 G4Material* H2O =
>> 104 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(75.0*eV);
125 109
126 new G4Material("Germanium", z = 32., a = 72. << 110 new G4Material("liquidArgon", z=18., a= 39.95*g/mole, density= 1.390*g/cm3);
127 111
128 G4Material* BGO = new G4Material("BGO", dens << 112 new G4Material("Aluminium" , z=13., a= 26.98*g/mole, density= 2.700*g/cm3);
129 BGO->AddElement(O, natoms = 12); <<
130 BGO->AddElement(Ge, natoms = 3); <<
131 BGO->AddElement(Bi, natoms = 4); <<
132 113
133 new G4Material("Iron", z = 26., a = 55.85 * << 114 new G4Material("Silicon" , z=14., a= 28.09*g/mole, density= 2.330*g/cm3);
134 115
135 new G4Material("Tungsten", z = 74., a = 183. << 116 new G4Material("Germanium" , z=32., a= 72.61*g/mole, density= 5.323*g/cm3);
>> 117
>> 118 G4Material* BGO =
>> 119 new G4Material("BGO", density= 7.10*g/cm3, ncomponents=3);
>> 120 BGO->AddElement(O , natoms=12);
>> 121 BGO->AddElement(Ge, natoms= 3);
>> 122 BGO->AddElement(Bi, natoms= 4);
136 123
137 new G4Material("Gold", z = 79., a = 196.97 * << 124 new G4Material("Iron" , z=26., a= 55.85*g/mole, density= 7.870*g/cm3);
138 125
139 new G4Material("Lead", z = 82., a = 207.19 * << 126 new G4Material("Tungsten" , z=74., a=183.85*g/mole, density= 19.30*g/cm3);
140 127
141 new G4Material("Uranium", z = 92., a = 238.0 << 128 new G4Material("Lead" , z=82., a=207.19*g/mole, density= 11.35*g/cm3);
142 129
143 G4Material* argonGas = << 130 new G4Material("Uranium" , z=92., a=238.03*g/mole, density= 18.95*g/cm3);
144 new G4Material("ArgonGas", z = 18, a = 39. <<
145 273.15 * kelvin, 1 * atmosp <<
146 131
147 G4Material* butane = new G4Material("Isobuta <<
148 kStateGa <<
149 butane->AddElement(C, natoms = 4); <<
150 butane->AddElement(H, natoms = 10); <<
151 132
152 G4Material* ArButane = new G4Material("Argon << 133 G4cout << *(G4Material::GetMaterialTable()) << G4endl;
153 kState <<
154 ArButane->AddMaterial(argonGas, fractionmass <<
155 ArButane->AddMaterial(butane, fractionmass = <<
156 <<
157 // example of vacuum <<
158 // <<
159 density = universe_mean_density; // from Ph <<
160 new G4Material("Galactic", z = 1., a = 1.008 <<
161 3.e-18 * pascal); <<
162 <<
163 // use Nist <<
164 // <<
165 G4NistManager* man = G4NistManager::Instance <<
166 <<
167 G4bool isotopes = false; <<
168 /// G4Element* O = man->FindOrBuildElement( <<
169 G4Element* Si = man->FindOrBuildElement("Si" <<
170 G4Element* Lu = man->FindOrBuildElement("Lu" <<
171 <<
172 G4Material* LSO = new G4Material("Lu2SiO5", <<
173 LSO->AddElement(Lu, 2); <<
174 LSO->AddElement(Si, 1); <<
175 LSO->AddElement(O, 5); <<
176 <<
177 /// G4cout << *(G4Material::GetMaterialTable <<
178 } 134 }
179 135
180 //....oooOO0OOooo........oooOO0OOooo........oo 136 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
181 137
182 G4VPhysicalVolume* DetectorConstruction::Const << 138 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
183 { 139 {
184 if (fPBox) { << 140 // Cleanup old geometry
185 return fPBox; << 141 G4GeometryManager::GetInstance()->OpenGeometry();
186 } << 142 G4PhysicalVolumeStore::GetInstance()->Clean();
187 fBox = new G4Box("Container", // its name << 143 G4LogicalVolumeStore::GetInstance()->Clean();
188 fBoxSize / 2, fBoxSize / 2, << 144 G4SolidStore::GetInstance()->Clean();
189 <<
190 fLBox = new G4LogicalVolume(fBox, // its sh <<
191 fMaterial, // i <<
192 fMaterial->GetNa <<
193 <<
194 fPBox = new G4PVPlacement(0, // no rotation <<
195 G4ThreeVector(), <<
196 fLBox, // its log <<
197 fMaterial->GetName <<
198 0, // its mother <<
199 false, // no bool <<
200 0); // copy numbe <<
201 145
202 PrintParameters(); << 146 G4Box*
>> 147 sBox = new G4Box("Container", //its name
>> 148 BoxSize/2,BoxSize/2,BoxSize/2); //its dimensions
>> 149
>> 150 lBox = new G4LogicalVolume(sBox, //its shape
>> 151 aMaterial, //its material
>> 152 aMaterial->GetName()); //its name
203 153
204 // always return the root volume << 154 pBox = new G4PVPlacement(0, //no rotation
>> 155 G4ThreeVector(), //at (0,0,0)
>> 156 lBox, //its logical volume
>> 157 aMaterial->GetName(), //its name
>> 158 0, //its mother volume
>> 159 false, //no boolean operation
>> 160 0); //copy number
>> 161
>> 162 PrintParameters();
>> 163
>> 164 //always return the root volume
205 // 165 //
206 return fPBox; << 166 return pBox;
207 } 167 }
208 168
209 //....oooOO0OOooo........oooOO0OOooo........oo 169 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
210 170
211 void DetectorConstruction::PrintParameters() 171 void DetectorConstruction::PrintParameters()
212 { 172 {
213 G4cout << "\n The Box is " << G4BestUnit(fBo << 173 G4cout << "\n The Box is " << G4BestUnit(BoxSize,"Length")
214 << G4endl; << 174 << " of " << aMaterial->GetName() << G4endl;
215 G4cout << fMaterial << G4endl; <<
216 } 175 }
217 176
218 //....oooOO0OOooo........oooOO0OOooo........oo 177 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
219 178
220 void DetectorConstruction::SetMaterial(const G << 179 void DetectorConstruction::SetMaterial(G4String materialChoice)
221 { 180 {
222 // search the material by its name 181 // search the material by its name
223 G4Material* pttoMaterial = G4NistManager::In << 182 G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice);
224 << 183 if (pttoMaterial) aMaterial = pttoMaterial;
225 if (pttoMaterial) { <<
226 fMaterial = pttoMaterial; <<
227 if (fLBox) { <<
228 fLBox->SetMaterial(fMaterial); <<
229 } <<
230 } <<
231 else { <<
232 G4cout << "\n--> warning from DetectorCons <<
233 << " not found" << G4endl; <<
234 } <<
235 G4RunManager::GetRunManager()->PhysicsHasBee <<
236 } 184 }
237 185
238 //....oooOO0OOooo........oooOO0OOooo........oo 186 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
239 187
240 void DetectorConstruction::SetSize(G4double va 188 void DetectorConstruction::SetSize(G4double value)
241 { 189 {
242 fBoxSize = value; << 190 BoxSize = value;
243 if (fBox) { <<
244 fBox->SetXHalfLength(fBoxSize / 2); <<
245 fBox->SetYHalfLength(fBoxSize / 2); <<
246 fBox->SetZHalfLength(fBoxSize / 2); <<
247 } <<
248 } 191 }
249 192
250 //....oooOO0OOooo........oooOO0OOooo........oo 193 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
251 194
252 void DetectorConstruction::ConstructSDandField << 195 #include "G4FieldManager.hh"
>> 196 #include "G4TransportationManager.hh"
>> 197
>> 198 void DetectorConstruction::SetMagField(G4double fieldValue)
>> 199 {
>> 200 //apply a global uniform magnetic field along Z axis
>> 201 G4FieldManager* fieldMgr
>> 202 = G4TransportationManager::GetTransportationManager()->GetFieldManager();
>> 203
>> 204 if (magField) delete magField; //delete the existing magn field
>> 205
>> 206 if (fieldValue!=0.) // create a new one if non nul
>> 207 {
>> 208 magField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue));
>> 209 fieldMgr->SetDetectorField(magField);
>> 210 fieldMgr->CreateChordFinder(magField);
>> 211 }
>> 212 else
>> 213 {
>> 214 magField = 0;
>> 215 fieldMgr->SetDetectorField(magField);
>> 216 }
>> 217 }
>> 218
>> 219 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 220
>> 221 #include "G4RunManager.hh"
>> 222
>> 223 void DetectorConstruction::UpdateGeometry()
253 { 224 {
254 if (fFieldMessenger.Get() == 0) { << 225 G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes());
255 // Create global magnetic field messenger. <<
256 // Uniform magnetic field is then created <<
257 // the field value is not zero. <<
258 G4ThreeVector fieldValue = G4ThreeVector() <<
259 G4GlobalMagFieldMessenger* msg = new G4Glo <<
260 // msg->SetVerboseLevel(1); <<
261 G4AutoDelete::Register(msg); <<
262 fFieldMessenger.Put(msg); <<
263 } <<
264 } 226 }
265 227
266 //....oooOO0OOooo........oooOO0OOooo........oo 228 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
267 229