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 | |
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27 | // |
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28 | // $Id: DetectorConstruction.cc,v 1.8 2007/11/12 15:48:58 maire Exp $ |
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29 | // GEANT4 tag $Name: $ |
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30 | // |
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31 | // |
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32 | |
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33 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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34 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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35 | |
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36 | #include "DetectorConstruction.hh" |
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37 | #include "DetectorMessenger.hh" |
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38 | |
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39 | #include "G4Material.hh" |
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40 | #include "G4Box.hh" |
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41 | #include "G4LogicalVolume.hh" |
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42 | #include "G4PVPlacement.hh" |
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43 | #include "G4UniformMagField.hh" |
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44 | |
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45 | #include "G4GeometryManager.hh" |
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46 | #include "G4PhysicalVolumeStore.hh" |
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47 | #include "G4LogicalVolumeStore.hh" |
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48 | #include "G4SolidStore.hh" |
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49 | |
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50 | #include "G4UnitsTable.hh" |
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51 | |
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52 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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53 | |
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54 | DetectorConstruction::DetectorConstruction() |
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55 | :pBox(0), lBox(0), aMaterial(0), magField(0) |
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56 | { |
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57 | BoxSize = 10*m; |
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58 | DefineMaterials(); |
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59 | SetMaterial("Aluminium"); |
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60 | detectorMessenger = new DetectorMessenger(this); |
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61 | } |
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62 | |
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63 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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64 | |
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65 | DetectorConstruction::~DetectorConstruction() |
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66 | { delete detectorMessenger;} |
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67 | |
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68 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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69 | |
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70 | G4VPhysicalVolume* DetectorConstruction::Construct() |
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71 | { |
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72 | return ConstructVolumes(); |
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73 | } |
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74 | |
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75 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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76 | |
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77 | void DetectorConstruction::DefineMaterials() |
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78 | { |
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79 | // |
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80 | // define Elements |
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81 | // |
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82 | G4double z,a; |
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83 | |
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84 | G4Element* H = new G4Element("Hydrogen" ,"H" , z= 1., a= 1.01*g/mole); |
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85 | G4Element* C = new G4Element("Hydrogen" ,"C" , z= 6., a= 12.00*g/mole); |
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86 | G4Element* N = new G4Element("Nitrogen" ,"N" , z= 7., a= 14.01*g/mole); |
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87 | G4Element* O = new G4Element("Oxygen" ,"O" , z= 8., a= 16.00*g/mole); |
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88 | G4Element* Ge = new G4Element("Germanium","Ge", z=32., a= 72.59*g/mole); |
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89 | G4Element* Bi = new G4Element("Bismuth" ,"Bi", z=83., a= 208.98*g/mole); |
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90 | |
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91 | // |
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92 | // define materials |
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93 | // |
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94 | G4double density; |
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95 | G4int ncomponents, natoms; |
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96 | G4double fractionmass; |
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97 | |
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98 | G4Material* Air = |
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99 | new G4Material("Air", density= 1.290*mg/cm3, ncomponents=2); |
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100 | Air->AddElement(N, fractionmass=70.*perCent); |
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101 | Air->AddElement(O, fractionmass=30.*perCent); |
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102 | |
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103 | G4Material* H2l = |
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104 | new G4Material("H2liquid", density= 70.8*mg/cm3, ncomponents=1); |
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105 | H2l->AddElement(H, fractionmass=1.); |
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106 | |
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107 | G4Material* H2O = |
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108 | new G4Material("Water", density= 1.000*g/cm3, ncomponents=2); |
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109 | H2O->AddElement(H, natoms=2); |
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110 | H2O->AddElement(O, natoms=1); |
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111 | ///H2O->SetChemicalFormula("H_2O"); |
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112 | H2O->GetIonisation()->SetMeanExcitationEnergy(75.0*eV); |
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113 | |
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114 | density = 0.001*mg/cm3; |
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115 | G4Material* CO2 = new G4Material("CO2", density, ncomponents=2); |
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116 | CO2->AddElement(C, natoms=1); |
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117 | CO2->AddElement(O, natoms=2); |
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118 | |
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119 | new G4Material("D2_gas", z=2., a= 2.0141*g/mole, density= 0.036*mg/cm3); |
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120 | |
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121 | new G4Material("liquidArgon", z=18., a= 39.95*g/mole, density= 1.390*g/cm3); |
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122 | |
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123 | new G4Material("Aluminium" , z=13., a= 26.98*g/mole, density= 2.700*g/cm3); |
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124 | |
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125 | new G4Material("Silicon" , z=14., a= 28.09*g/mole, density= 2.330*g/cm3); |
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126 | |
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127 | new G4Material("Germanium" , z=32., a= 72.61*g/mole, density= 5.323*g/cm3); |
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128 | |
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129 | G4Material* BGO = |
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130 | new G4Material("BGO", density= 7.10*g/cm3, ncomponents=3); |
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131 | BGO->AddElement(O , natoms=12); |
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132 | BGO->AddElement(Ge, natoms= 3); |
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133 | BGO->AddElement(Bi, natoms= 4); |
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134 | |
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135 | new G4Material("Iron" , z=26., a= 55.85*g/mole, density= 7.870*g/cm3); |
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136 | |
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137 | new G4Material("Tungsten" , z=74., a=183.85*g/mole, density= 19.30*g/cm3); |
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138 | |
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139 | new G4Material("Lead" , z=82., a=207.19*g/mole, density= 11.35*g/cm3); |
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140 | |
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141 | new G4Material("Uranium" , z=92., a=238.03*g/mole, density= 18.95*g/cm3); |
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142 | |
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143 | |
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144 | G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
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145 | } |
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146 | |
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147 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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148 | |
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149 | G4VPhysicalVolume* DetectorConstruction::ConstructVolumes() |
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150 | { |
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151 | // Cleanup old geometry |
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152 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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153 | G4PhysicalVolumeStore::GetInstance()->Clean(); |
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154 | G4LogicalVolumeStore::GetInstance()->Clean(); |
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155 | G4SolidStore::GetInstance()->Clean(); |
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156 | |
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157 | G4Box* |
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158 | sBox = new G4Box("Container", //its name |
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159 | BoxSize/2,BoxSize/2,BoxSize/2); //its dimensions |
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160 | |
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161 | lBox = new G4LogicalVolume(sBox, //its shape |
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162 | aMaterial, //its material |
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163 | aMaterial->GetName()); //its name |
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164 | |
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165 | pBox = new G4PVPlacement(0, //no rotation |
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166 | G4ThreeVector(), //at (0,0,0) |
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167 | lBox, //its logical volume |
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168 | aMaterial->GetName(), //its name |
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169 | 0, //its mother volume |
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170 | false, //no boolean operation |
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171 | 0); //copy number |
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172 | |
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173 | PrintParameters(); |
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174 | |
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175 | //always return the root volume |
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176 | // |
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177 | return pBox; |
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178 | } |
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179 | |
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180 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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181 | |
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182 | void DetectorConstruction::PrintParameters() |
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183 | { |
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184 | G4cout << "\n The Box is " << G4BestUnit(BoxSize,"Length") |
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185 | << " of " << aMaterial->GetName() << G4endl; |
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186 | } |
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187 | |
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188 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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189 | |
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190 | void DetectorConstruction::SetMaterial(G4String materialChoice) |
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191 | { |
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192 | // search the material by its name |
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193 | G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice); |
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194 | if (pttoMaterial) aMaterial = pttoMaterial; |
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195 | } |
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196 | |
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197 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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198 | |
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199 | void DetectorConstruction::SetSize(G4double value) |
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200 | { |
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201 | BoxSize = value; |
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202 | } |
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203 | |
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204 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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205 | |
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206 | #include "G4FieldManager.hh" |
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207 | #include "G4TransportationManager.hh" |
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208 | |
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209 | void DetectorConstruction::SetMagField(G4double fieldValue) |
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210 | { |
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211 | //apply a global uniform magnetic field along Z axis |
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212 | G4FieldManager* fieldMgr |
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213 | = G4TransportationManager::GetTransportationManager()->GetFieldManager(); |
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214 | |
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215 | if (magField) delete magField; //delete the existing magn field |
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216 | |
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217 | if (fieldValue!=0.) // create a new one if non nul |
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218 | { |
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219 | magField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue)); |
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220 | fieldMgr->SetDetectorField(magField); |
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221 | fieldMgr->CreateChordFinder(magField); |
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222 | } |
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223 | else |
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224 | { |
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225 | magField = 0; |
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226 | fieldMgr->SetDetectorField(magField); |
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227 | } |
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228 | } |
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229 | |
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230 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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231 | |
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232 | #include "G4RunManager.hh" |
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233 | |
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234 | void DetectorConstruction::UpdateGeometry() |
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235 | { |
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236 | G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes()); |
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237 | } |
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238 | |
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239 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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