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Geant4/examples/extended/biasing/B03/src/B03DetectorConstruction.cc

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 25 //
 26 /// \file biasing/B03/src/B03DetectorConstruction.cc
 27 /// \brief Implementation of the B03DetectorConstruction class
 28 //
 29 //
 30 //
 31 #include "B03DetectorConstruction.hh"
 32 
 33 #include "G4Box.hh"
 34 #include "G4Colour.hh"
 35 #include "G4LogicalVolume.hh"
 36 #include "G4Material.hh"
 37 #include "G4PVPlacement.hh"
 38 #include "G4PhysicalConstants.hh"
 39 #include "G4SystemOfUnits.hh"
 40 #include "G4ThreeVector.hh"
 41 #include "G4Tubs.hh"
 42 #include "G4Types.hh"
 43 #include "G4VisAttributes.hh"
 44 #include "globals.hh"
 45 
 46 // for importance biasing
 47 #include "G4IStore.hh"
 48 
 49 // For Primitive Scorers
 50 #include "G4MultiFunctionalDetector.hh"
 51 #include "G4PSNofCollision.hh"
 52 #include "G4PSPopulation.hh"
 53 #include "G4PSTrackCounter.hh"
 54 #include "G4PSTrackLength.hh"
 55 #include "G4SDManager.hh"
 56 #include "G4SDParticleFilter.hh"
 57 
 58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 59 
 60 B03DetectorConstruction::B03DetectorConstruction() : G4VUserDetectorConstruction()
 61 {
 62   ;
 63 }
 64 
 65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 66 
 67 B03DetectorConstruction::~B03DetectorConstruction()
 68 {
 69   ;
 70 }
 71 
 72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 73 
 74 G4VPhysicalVolume* B03DetectorConstruction::Construct()
 75 {
 76   G4double pos_x;
 77   G4double pos_y;
 78   G4double pos_z;
 79 
 80   G4double density, pressure, temperature;
 81   G4double A;
 82   G4int Z;
 83 
 84   G4String name, symbol;
 85   G4double z;
 86   G4double fractionmass;
 87 
 88   A = 1.01 * g / mole;
 89   G4Element* elH = new G4Element(name = "Hydrogen", symbol = "H", Z = 1, A);
 90 
 91   A = 12.01 * g / mole;
 92   G4Element* elC = new G4Element(name = "Carbon", symbol = "C", Z = 6, A);
 93 
 94   A = 16.00 * g / mole;
 95   G4Element* elO = new G4Element(name = "Oxygen", symbol = "O", Z = 8, A);
 96 
 97   A = 22.99 * g / mole;
 98   G4Element* elNa = new G4Element(name = "Natrium", symbol = "Na", Z = 11, A);
 99 
100   A = 200.59 * g / mole;
101   G4Element* elHg = new G4Element(name = "Hg", symbol = "Hg", Z = 80, A);
102 
103   A = 26.98 * g / mole;
104   G4Element* elAl = new G4Element(name = "Aluminium", symbol = "Al", Z = 13, A);
105 
106   A = 28.09 * g / mole;
107   G4Element* elSi = new G4Element(name = "Silicon", symbol = "Si", Z = 14, A);
108 
109   A = 39.1 * g / mole;
110   G4Element* elK = new G4Element(name = "K", symbol = "K", Z = 19, A);
111 
112   A = 69.72 * g / mole;
113   G4Element* elCa = new G4Element(name = "Calzium", symbol = "Ca", Z = 31, A);
114 
115   A = 55.85 * g / mole;
116   G4Element* elFe = new G4Element(name = "Iron", symbol = "Fe", Z = 26, A);
117 
118   density = universe_mean_density;  // from PhysicalConstants.h
119   pressure = 3.e-18 * pascal;
120   temperature = 2.73 * kelvin;
121   G4Material* Galactic = new G4Material(name = "Galactic", z = 1., A = 1.01 * g / mole, density,
122                                         kStateGas, temperature, pressure);
123 
124   density = 2.03 * g / cm3;
125   G4Material* Concrete = new G4Material("Concrete", density, 10);
126   Concrete->AddElement(elH, fractionmass = 0.01);
127   Concrete->AddElement(elO, fractionmass = 0.529);
128   Concrete->AddElement(elNa, fractionmass = 0.016);
129   Concrete->AddElement(elHg, fractionmass = 0.002);
130   Concrete->AddElement(elAl, fractionmass = 0.034);
131   Concrete->AddElement(elSi, fractionmass = 0.337);
132   Concrete->AddElement(elK, fractionmass = 0.013);
133   Concrete->AddElement(elCa, fractionmass = 0.044);
134   Concrete->AddElement(elFe, fractionmass = 0.014);
135   Concrete->AddElement(elC, fractionmass = 0.001);
136 
137   /////////////////////////////
138   // world cylinder volume
139   ////////////////////////////
140 
141   // world solid
142 
143   G4double innerRadiusCylinder = 0 * cm;
144   G4double outerRadiusCylinder = 101 * cm;  // dont't have scoring
145                                             // cells coinside eith world volume boundary
146   //  G4double heightCylinder       = 105*cm;
147   G4double heightCylinder = 100 * cm;
148   G4double startAngleCylinder = 0 * deg;
149   G4double spanningAngleCylinder = 360 * deg;
150 
151   G4Tubs* worldCylinder = new G4Tubs("worldCylinder", innerRadiusCylinder, outerRadiusCylinder,
152                                      heightCylinder, startAngleCylinder, spanningAngleCylinder);
153 
154   // logical world
155 
156   G4LogicalVolume* worldCylinder_log =
157     new G4LogicalVolume(worldCylinder, Galactic, "worldCylinder_log");
158 
159   name = "shieldWorld";
160   fWorldVolume = new G4PVPlacement(0, G4ThreeVector(0, 0, 0), worldCylinder_log, name, 0, false, 0);
161 
162   // creating 18 slobs of 10 cm thick concrete
163 
164   G4double innerRadiusShield = 0 * cm;
165   G4double outerRadiusShield = 100 * cm;
166   G4double heightShield = 90 * cm;
167   G4double startAngleShield = 0 * deg;
168   G4double spanningAngleShield = 360 * deg;
169 
170   G4Tubs* aShield = new G4Tubs("aShield", innerRadiusShield, outerRadiusShield, heightShield,
171                                startAngleShield, spanningAngleShield);
172 
173   // logical shield
174 
175   G4LogicalVolume* aShield_log = new G4LogicalVolume(aShield, Concrete, "aShield_log");
176 
177   G4VisAttributes* pShieldVis = new G4VisAttributes(G4Colour(0.0, 0.0, 1.0));
178   pShieldVis->SetForceSolid(true);
179   aShield_log->SetVisAttributes(pShieldVis);
180 
181   // physical shields
182 
183   name = "concreteShield";
184 
185   pos_x = 0 * cm;
186   pos_y = 0 * cm;
187   pos_z = 0;
188 
189   new G4PVPlacement(0, G4ThreeVector(pos_x, pos_y, pos_z), aShield_log, name, worldCylinder_log,
190                     false, 0);
191 
192   return fWorldVolume;
193 }
194 
195 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
196 
197 // void B03DetectorConstruction::ConstructSDandField()
198 // {
199 //   ;
200 // }
201 
202 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
203 
204 G4VPhysicalVolume* B03DetectorConstruction::GetWorldVolume()
205 {
206   return fWorldVolume;
207 }
208 
209 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
210 
211 G4VPhysicalVolume& B03DetectorConstruction::GetWorldVolumeAddress() const
212 {
213   return *fWorldVolume;
214 }
215 
216 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
217