1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // $Id: DetectorConstruction.cc,v 1.3 2006/06/29 16:46:47 gunter Exp $ |
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27 | // GEANT4 tag $Name: $ |
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28 | // |
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29 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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31 | |
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32 | #include "DetectorConstruction.hh" |
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33 | #include "DetectorMessenger.hh" |
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34 | |
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35 | #include "G4Material.hh" |
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36 | #include "G4Box.hh" |
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37 | #include "G4LogicalVolume.hh" |
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38 | #include "G4PVPlacement.hh" |
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39 | |
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40 | #include "G4GeometryManager.hh" |
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41 | #include "G4PhysicalVolumeStore.hh" |
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42 | #include "G4LogicalVolumeStore.hh" |
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43 | #include "G4SolidStore.hh" |
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44 | |
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45 | #include "G4UnitsTable.hh" |
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46 | |
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47 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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48 | |
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49 | DetectorConstruction::DetectorConstruction() |
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50 | :pWorld(0), pBox(0), aMaterial(0) |
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51 | { |
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52 | boxSize = 100*m; worldSize = 1.2*boxSize; |
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53 | DefineMaterials(); |
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54 | SetMaterial("Water"); |
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55 | detectorMessenger = new DetectorMessenger(this); |
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56 | } |
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57 | |
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58 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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59 | |
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60 | DetectorConstruction::~DetectorConstruction() |
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61 | { delete detectorMessenger;} |
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62 | |
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63 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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64 | |
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65 | G4VPhysicalVolume* DetectorConstruction::Construct() |
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66 | { |
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67 | return ConstructVolumes(); |
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68 | } |
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69 | |
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70 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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71 | |
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72 | void DetectorConstruction::DefineMaterials() |
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73 | { |
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74 | // |
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75 | // define Elements |
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76 | // |
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77 | G4double z,a; |
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78 | |
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79 | G4Element* H = new G4Element("Hydrogen" ,"H" , z= 1., a= 1.01*g/mole); |
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80 | G4Element* N = new G4Element("Nitrogen" ,"N" , z= 7., a= 14.01*g/mole); |
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81 | G4Element* O = new G4Element("Oxygen" ,"O" , z= 8., a= 16.00*g/mole); |
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82 | G4Element* Na = new G4Element("Sodium" ,"Na", z=11., a= 22.99*g/mole); |
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83 | G4Element* Ge = new G4Element("Germanium","Ge", z=32., a= 72.59*g/mole); |
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84 | G4Element* I = new G4Element("Iodine" ,"I" , z=53., a= 126.90*g/mole); |
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85 | G4Element* Bi = new G4Element("Bismuth" ,"Bi", z=83., a= 208.98*g/mole); |
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86 | |
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87 | // |
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88 | // define materials |
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89 | // |
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90 | G4double density; |
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91 | G4int ncomponents, natoms; |
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92 | G4double fractionmass; |
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93 | |
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94 | G4Material* Air = |
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95 | new G4Material("Air", density= 1.290*mg/cm3, ncomponents=2); |
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96 | Air->AddElement(N, fractionmass=70.*perCent); |
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97 | Air->AddElement(O, fractionmass=30.*perCent); |
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98 | |
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99 | G4Material* H2l = |
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100 | new G4Material("H2liquid", density= 70.8*mg/cm3, ncomponents=1); |
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101 | H2l->AddElement(H, fractionmass=1.); |
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102 | |
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103 | G4Material* H2O = |
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104 | new G4Material("Water", density= 1.000*g/cm3, ncomponents=2); |
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105 | H2O->AddElement(H, natoms=2); |
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106 | H2O->AddElement(O, natoms=1); |
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107 | H2O->SetChemicalFormula("H_2O"); |
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108 | H2O->GetIonisation()->SetMeanExcitationEnergy(75.0*eV); |
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109 | |
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110 | new G4Material("liquidArgon", z=18., a= 39.95*g/mole, density= 1.390*g/cm3); |
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111 | |
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112 | new G4Material("Carbon" , z=6., a= 12.01*g/mole, density= 2.267*g/cm3); |
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113 | |
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114 | new G4Material("Aluminium" , z=13., a= 26.98*g/mole, density= 2.700*g/cm3); |
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115 | |
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116 | new G4Material("Silicon" , z=14., a= 28.09*g/mole, density= 2.330*g/cm3); |
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117 | |
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118 | new G4Material("Germanium" , z=32., a= 72.61*g/mole, density= 5.323*g/cm3); |
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119 | |
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120 | G4Material* NaI = |
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121 | new G4Material("NaI", density= 3.67*g/cm3, ncomponents=2); |
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122 | NaI->AddElement(Na, natoms=1); |
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123 | NaI->AddElement(I , natoms=1); |
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124 | NaI->GetIonisation()->SetMeanExcitationEnergy(452*eV); |
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125 | |
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126 | G4Material* Iod = |
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127 | new G4Material("Iodine", density= 4.93*g/cm3, ncomponents=1); |
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128 | Iod->AddElement(I , natoms=1); |
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129 | |
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130 | G4Material* BGO = |
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131 | new G4Material("BGO", density= 7.10*g/cm3, ncomponents=3); |
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132 | BGO->AddElement(O , natoms=12); |
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133 | BGO->AddElement(Ge, natoms= 3); |
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134 | BGO->AddElement(Bi, natoms= 4); |
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135 | |
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136 | new G4Material("Iron" , z=26., a= 55.85*g/mole, density= 7.870*g/cm3); |
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137 | |
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138 | new G4Material("Tungsten" , z=74., a=183.85*g/mole, density= 19.30*g/cm3); |
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139 | |
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140 | new G4Material("Lead" , z=82., a=207.19*g/mole, density= 11.35*g/cm3); |
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141 | |
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142 | new G4Material("Uranium" , z=92., a=238.03*g/mole, density= 18.95*g/cm3); |
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143 | |
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144 | density = universe_mean_density; //from PhysicalConstants.h |
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145 | G4double pressure = 3.e-18*pascal; |
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146 | G4double temperature = 2.73*kelvin; |
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147 | G4Material* vacuum = |
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148 | new G4Material("Galactic",z= 1,a= 1.008*g/mole,density, |
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149 | kStateGas,temperature,pressure); |
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150 | |
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151 | G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
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152 | |
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153 | //default material |
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154 | wMaterial = vacuum; |
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155 | } |
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156 | |
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157 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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158 | |
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159 | G4VPhysicalVolume* DetectorConstruction::ConstructVolumes() |
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160 | { |
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161 | // Cleanup old geometry |
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162 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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163 | G4PhysicalVolumeStore::GetInstance()->Clean(); |
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164 | G4LogicalVolumeStore::GetInstance()->Clean(); |
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165 | G4SolidStore::GetInstance()->Clean(); |
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166 | |
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167 | // World |
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168 | // |
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169 | G4Box* |
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170 | sWorld = new G4Box("World", //name |
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171 | worldSize/2,worldSize/2,worldSize/2); //dimensions |
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172 | |
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173 | G4LogicalVolume* |
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174 | lWorld = new G4LogicalVolume(sWorld, //shape |
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175 | wMaterial, //material |
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176 | "World"); //name |
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177 | |
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178 | pWorld = new G4PVPlacement(0, //no rotation |
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179 | G4ThreeVector(), //at (0,0,0) |
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180 | lWorld, //logical volume |
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181 | "World", //name |
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182 | 0, //mother volume |
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183 | false, //no boolean operation |
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184 | 0); //copy number |
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185 | |
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186 | // Box |
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187 | // |
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188 | G4Box* |
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189 | sBox = new G4Box("Container", //its name |
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190 | boxSize/2,boxSize/2,boxSize/2); //its dimensions |
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191 | |
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192 | G4LogicalVolume* |
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193 | lBox = new G4LogicalVolume(sBox, //its shape |
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194 | aMaterial, //its material |
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195 | aMaterial->GetName()); //its name |
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196 | |
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197 | pBox = new G4PVPlacement(0, //no rotation |
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198 | G4ThreeVector(), //at (0,0,0) |
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199 | lBox, //its logical volume |
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200 | aMaterial->GetName(), //its name |
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201 | lWorld, //its mother volume |
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202 | false, //no boolean operation |
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203 | 0); //copy number |
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204 | |
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205 | PrintParameters(); |
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206 | |
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207 | //always return the root volume |
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208 | // |
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209 | return pWorld; |
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210 | } |
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211 | |
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212 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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213 | |
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214 | void DetectorConstruction::PrintParameters() |
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215 | { |
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216 | G4cout << "\n The Box is " << G4BestUnit(boxSize,"Length") |
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217 | << " of " << aMaterial->GetName() << G4endl; |
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218 | } |
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219 | |
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220 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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221 | |
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222 | void DetectorConstruction::SetMaterial(G4String materialChoice) |
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223 | { |
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224 | // search the material by its name |
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225 | G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice); |
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226 | if (pttoMaterial) { |
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227 | aMaterial = pttoMaterial; |
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228 | UpdateGeometry(); |
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229 | } else { |
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230 | G4cout << "\n--> warning from DetectorConstruction::SetMaterial : " |
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231 | << materialChoice << " not found" << G4endl; |
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232 | } |
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233 | } |
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234 | |
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235 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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236 | |
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237 | void DetectorConstruction::SetSize(G4double value) |
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238 | { |
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239 | boxSize = value; worldSize = 1.2*boxSize; |
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240 | UpdateGeometry(); |
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241 | } |
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242 | |
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243 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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244 | |
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245 | #include "G4RunManager.hh" |
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246 | |
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247 | void DetectorConstruction::UpdateGeometry() |
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248 | { |
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249 | if (pWorld) |
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250 | G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes()); |
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251 | } |
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252 | |
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253 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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