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 | |
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29 | #include "G4ios.hh" |
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30 | #include "globals.hh" |
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31 | |
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32 | #include "F04DetectorConstruction.hh" |
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33 | #include "F04DetectorMessenger.hh" |
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34 | |
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35 | #include "F04GlobalField.hh" |
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36 | |
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37 | #include "G4Tubs.hh" |
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38 | #include "G4LogicalVolume.hh" |
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39 | #include "G4PVPlacement.hh" |
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40 | |
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41 | #include "G4Material.hh" |
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42 | #include "G4NistManager.hh" |
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43 | |
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44 | #include "G4FieldManager.hh" |
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45 | #include "G4UniformMagField.hh" |
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46 | #include "G4TransportationManager.hh" |
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47 | |
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48 | #include "G4GeometryManager.hh" |
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49 | |
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50 | #include "G4SolidStore.hh" |
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51 | #include "G4RegionStore.hh" |
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52 | #include "G4LogicalVolumeStore.hh" |
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53 | #include "G4PhysicalVolumeStore.hh" |
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54 | |
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55 | #include "G4RunManager.hh" |
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56 | |
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57 | #include "F04DetectorConstruction.hh" |
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58 | #include "F04DetectorMessenger.hh" |
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59 | #include "F04Materials.hh" |
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60 | |
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61 | #include "G4RotationMatrix.hh" |
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62 | |
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63 | #include "F04SimpleSolenoid.hh" |
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64 | #include "F04FocusSolenoid.hh" |
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65 | |
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66 | F04DetectorConstruction::F04DetectorConstruction() |
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67 | : solidWorld(0), logicWorld(0), physiWorld(0), |
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68 | solidTarget(0), logicTarget(0), physiTarget(0), |
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69 | solidDegrader(0),logicDegrader(0), physiDegrader(0), |
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70 | solidCaptureMgnt(0), logicCaptureMgnt(0), physiCaptureMgnt(0), |
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71 | solidTransferMgnt(0), logicTransferMgnt(0), physiTransferMgnt(0), |
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72 | WorldMaterial(0), TargetMaterial(0), DegraderMaterial(0), |
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73 | focusSolenoid(0), simpleSolenoid(0) |
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74 | { |
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75 | WorldSizeZ = 50.*m; |
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76 | WorldSizeR = 5.*m; |
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77 | |
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78 | TargetRadius = 0.4*cm; |
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79 | TargetThickness = 16.0*cm; |
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80 | |
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81 | SetTargetAngle(170); |
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82 | |
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83 | DegraderRadius = 30.0*cm; |
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84 | DegraderThickness = 0.1*cm; |
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85 | |
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86 | CaptureMgntRadius = 0.6*m; |
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87 | CaptureMgntLength = 4.0*m; |
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88 | |
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89 | SetCaptureMgntB1(2.5*tesla); |
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90 | SetCaptureMgntB2(5.0*tesla); |
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91 | |
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92 | TransferMgntRadius = 0.3*m; |
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93 | TransferMgntLength = 15.0*m; |
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94 | |
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95 | SetTransferMgntB(5.0*tesla); |
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96 | |
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97 | DegraderPos = -TransferMgntLength/2. + DegraderThickness/2.; |
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98 | |
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99 | // ensure the global field is initialized |
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100 | (void)F04GlobalField::getObject(); |
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101 | |
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102 | detectorMessenger = new F04DetectorMessenger(this); |
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103 | } |
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104 | |
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105 | F04DetectorConstruction::~F04DetectorConstruction() |
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106 | { |
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107 | delete detectorMessenger; |
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108 | } |
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109 | |
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110 | G4VPhysicalVolume* F04DetectorConstruction::Construct() |
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111 | { |
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112 | materials = F04Materials::GetInstance(); |
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113 | |
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114 | DefineMaterials(); |
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115 | |
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116 | return ConstructDetector(); |
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117 | } |
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118 | |
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119 | void F04DetectorConstruction::DefineMaterials() |
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120 | { |
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121 | //define materials for the experiment |
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122 | |
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123 | Vacuum = materials->GetMaterial("G4_Galactic"); |
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124 | |
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125 | WorldMaterial = materials->GetMaterial("G4_AIR"); |
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126 | DegraderMaterial = materials->GetMaterial("G4_Pb"); |
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127 | TargetMaterial = materials->GetMaterial("G4_W"); |
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128 | } |
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129 | |
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130 | G4VPhysicalVolume* F04DetectorConstruction::ConstructDetector() |
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131 | { |
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132 | solidWorld = new G4Tubs("World", |
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133 | 0.,GetWorldSizeR(),GetWorldSizeZ()/2.,0.,twopi); |
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134 | |
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135 | logicWorld = new G4LogicalVolume(solidWorld, |
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136 | GetWorldMaterial(), |
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137 | "World"); |
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138 | |
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139 | physiWorld = new G4PVPlacement(0, |
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140 | G4ThreeVector(), |
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141 | "World", |
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142 | logicWorld, |
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143 | 0, |
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144 | false, |
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145 | 0); |
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146 | |
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147 | // Capture Magnet |
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148 | |
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149 | solidCaptureMgnt = new G4Tubs("CaptureMgnt", |
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150 | 0.,GetCaptureMgntRadius(), |
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151 | GetCaptureMgntLength()/2.,0.,twopi); |
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152 | |
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153 | logicCaptureMgnt = new G4LogicalVolume(solidCaptureMgnt, |
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154 | Vacuum, |
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155 | "CaptureMgnt"); |
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156 | |
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157 | G4ThreeVector CaptureMgntCenter = G4ThreeVector(); |
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158 | |
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159 | physiCaptureMgnt = new G4PVPlacement(0, |
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160 | CaptureMgntCenter, |
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161 | "CaptureMgnt", |
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162 | logicCaptureMgnt, |
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163 | physiWorld, |
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164 | false, |
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165 | 0); |
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166 | |
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167 | // Transfer Magnet |
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168 | |
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169 | solidTransferMgnt = new G4Tubs("TransferMgnt", |
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170 | 0.,GetTransferMgntRadius(), |
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171 | GetTransferMgntLength()/2.,0.,twopi); |
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172 | |
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173 | logicTransferMgnt = new G4LogicalVolume(solidTransferMgnt, |
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174 | Vacuum, |
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175 | "TransferMgnt"); |
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176 | |
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177 | G4double z = GetCaptureMgntLength()/2. + GetTransferMgntLength()/2. |
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178 | + GetTransferMgntPos(); |
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179 | G4double x = GetTransferMgntPos()/2.; |
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180 | |
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181 | G4ThreeVector TransferMgntCenter = G4ThreeVector(x,0.,z); |
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182 | |
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183 | G4RotationMatrix* g4rot = new G4RotationMatrix(); |
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184 | *g4rot = stringToRotationMatrix("Y30,X10"); |
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185 | *g4rot = g4rot->inverse(); |
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186 | if (*g4rot == G4RotationMatrix()) g4rot = NULL; |
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187 | |
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188 | physiTransferMgnt = new G4PVPlacement(g4rot, |
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189 | TransferMgntCenter, |
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190 | "TransferMgnt", |
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191 | logicTransferMgnt, |
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192 | physiWorld, |
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193 | false, |
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194 | 0); |
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195 | |
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196 | // Test Plane |
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197 | |
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198 | G4Tubs* solidTestPlane = new G4Tubs("TestPlane", |
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199 | 0.,GetTransferMgntRadius(), |
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200 | 1.*mm,0.,twopi); |
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201 | |
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202 | G4LogicalVolume* logicTestPlane = new G4LogicalVolume(solidTestPlane, |
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203 | Vacuum, |
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204 | "TestPlane"); |
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205 | |
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206 | |
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207 | z = GetTransferMgntLength()/2. - 1.*mm; |
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208 | |
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209 | G4ThreeVector TestPlaneCenter = G4ThreeVector(0.,0.,z); |
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210 | |
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211 | new G4PVPlacement(0, |
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212 | TestPlaneCenter, |
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213 | "TestPlane", |
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214 | logicTestPlane, |
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215 | physiTransferMgnt, |
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216 | false, |
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217 | 0); |
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218 | |
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219 | // Target |
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220 | |
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221 | if (GetTargetThickness() > 0.) |
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222 | { |
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223 | solidTarget = new G4Tubs("Target", |
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224 | 0.,GetTargetRadius(), |
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225 | GetTargetThickness()/2.,0.,twopi); |
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226 | |
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227 | logicTarget = new G4LogicalVolume(solidTarget, |
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228 | GetTargetMaterial(), |
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229 | "Target"); |
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230 | |
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231 | G4int i = GetTargetAngle(); |
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232 | |
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233 | char c[4]; |
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234 | sprintf(c,"%d",i); |
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235 | G4String Angle = c; |
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236 | Angle = Angle.strip(G4String::both,' '); |
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237 | Angle = "Y" + Angle; |
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238 | |
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239 | g4rot = new G4RotationMatrix(); |
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240 | *g4rot = stringToRotationMatrix(Angle); |
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241 | *g4rot = g4rot->inverse(); |
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242 | if (*g4rot == G4RotationMatrix()) g4rot = NULL; |
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243 | |
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244 | G4ThreeVector TargetCenter(0.,0.,GetTargetPos()); |
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245 | |
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246 | physiTarget = new G4PVPlacement(g4rot, |
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247 | TargetCenter, |
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248 | "Target", |
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249 | logicTarget, |
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250 | physiCaptureMgnt, |
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251 | false, |
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252 | 0); |
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253 | } |
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254 | |
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255 | // Degrader |
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256 | |
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257 | if (GetDegraderThickness() > 0.) |
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258 | { |
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259 | solidDegrader = new G4Tubs("Degrader", |
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260 | 0., GetDegraderRadius(), |
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261 | GetDegraderThickness()/2., 0.,twopi); |
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262 | |
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263 | logicDegrader = new G4LogicalVolume(solidDegrader, |
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264 | GetDegraderMaterial(), |
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265 | "Degrader"); |
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266 | |
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267 | G4ThreeVector DegraderCenter = G4ThreeVector(0.,0.,GetDegraderPos()); |
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268 | |
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269 | physiDegrader = new G4PVPlacement(0, |
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270 | DegraderCenter, |
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271 | "Degrader", |
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272 | logicDegrader, |
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273 | physiTransferMgnt, |
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274 | false, |
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275 | 0); |
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276 | } |
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277 | |
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278 | G4double l = 0.0; |
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279 | G4double B1 = GetCaptureMgntB1(); |
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280 | G4double B2 = GetCaptureMgntB2(); |
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281 | |
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282 | if (focusSolenoid) delete focusSolenoid; |
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283 | focusSolenoid = new F04FocusSolenoid(B1, B2, l, |
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284 | logicCaptureMgnt,CaptureMgntCenter); |
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285 | focusSolenoid -> SetHalf(true); |
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286 | |
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287 | l = 0.0; |
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288 | G4double B = GetTransferMgntB(); |
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289 | |
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290 | if (simpleSolenoid) delete simpleSolenoid; |
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291 | simpleSolenoid = new F04SimpleSolenoid(B, l, |
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292 | logicTransferMgnt,TransferMgntCenter); |
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293 | |
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294 | simpleSolenoid->setColor("1,0,1"); |
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295 | simpleSolenoid->setColor("0,1,1"); |
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296 | simpleSolenoid->setMaxStep(1.5*mm); |
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297 | simpleSolenoid->setMaxStep(2.5*mm); |
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298 | |
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299 | return physiWorld; |
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300 | } |
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301 | |
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302 | void F04DetectorConstruction::SetWorldMaterial(const G4String materialChoice) |
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303 | { |
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304 | G4Material* pttoMaterial = |
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305 | G4NistManager::Instance()->FindOrBuildMaterial(materialChoice); |
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306 | |
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307 | if (pttoMaterial != WorldMaterial) { |
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308 | if ( pttoMaterial ) { |
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309 | WorldMaterial = pttoMaterial; |
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310 | } else { |
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311 | G4cout << "\n--> WARNING from SetWorldMaterial : " |
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312 | << materialChoice << " not found" << G4endl; |
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313 | } |
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314 | } |
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315 | } |
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316 | |
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317 | void F04DetectorConstruction::SetTargetMaterial(const G4String materialChoice) |
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318 | { |
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319 | G4Material* pttoMaterial = |
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320 | G4NistManager::Instance()->FindOrBuildMaterial(materialChoice); |
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321 | |
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322 | if (pttoMaterial != TargetMaterial) { |
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323 | if ( pttoMaterial ) { |
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324 | TargetMaterial = pttoMaterial; |
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325 | } else { |
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326 | G4cout << "\n--> WARNING from SetTargetMaterial : " |
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327 | << materialChoice << " not found" << G4endl; |
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328 | } |
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329 | } |
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330 | } |
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331 | |
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332 | void F04DetectorConstruction::SetDegraderMaterial(const G4String materialChoice) |
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333 | |
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334 | { |
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335 | G4Material* pttoMaterial = |
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336 | G4NistManager::Instance()->FindOrBuildMaterial(materialChoice); |
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337 | |
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338 | if (pttoMaterial != DegraderMaterial) { |
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339 | if ( pttoMaterial ) { |
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340 | DegraderMaterial = pttoMaterial; |
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341 | } else { |
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342 | G4cout << "\n--> WARNING from SetDegraderMaterial : " |
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343 | << materialChoice << " not found" << G4endl; |
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344 | } |
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345 | } |
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346 | } |
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347 | |
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348 | void F04DetectorConstruction::SetWorldSizeZ(G4double val) |
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349 | { |
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350 | WorldSizeZ = val; |
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351 | } |
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352 | |
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353 | void F04DetectorConstruction::SetWorldSizeR(G4double val) |
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354 | { |
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355 | WorldSizeR = val; |
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356 | } |
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357 | |
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358 | void F04DetectorConstruction::SetCaptureMgntRadius(G4double val) |
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359 | { |
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360 | CaptureMgntRadius = val; |
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361 | } |
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362 | |
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363 | void F04DetectorConstruction::SetCaptureMgntLength(G4double val) |
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364 | { |
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365 | CaptureMgntLength = val; |
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366 | } |
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367 | |
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368 | void F04DetectorConstruction::SetCaptureMgntB1(G4double val) |
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369 | { |
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370 | CaptureMgntB1 = val; |
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371 | } |
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372 | |
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373 | void F04DetectorConstruction::SetCaptureMgntB2(G4double val) |
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374 | { |
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375 | CaptureMgntB2 = val; |
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376 | } |
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377 | |
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378 | void F04DetectorConstruction::SetTransferMgntRadius(G4double val) |
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379 | { |
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380 | TransferMgntRadius = val; |
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381 | } |
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382 | |
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383 | void F04DetectorConstruction::SetTransferMgntLength(G4double val) |
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384 | { |
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385 | TransferMgntLength = val; |
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386 | } |
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387 | |
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388 | void F04DetectorConstruction::SetTransferMgntB(G4double val) |
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389 | { |
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390 | TransferMgntB = val; |
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391 | } |
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392 | |
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393 | void F04DetectorConstruction::SetTransferMgntPos(G4double val) |
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394 | { |
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395 | TransferMgntPos = val; |
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396 | } |
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397 | |
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398 | void F04DetectorConstruction::SetTargetRadius(G4double val) |
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399 | { |
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400 | TargetRadius = val; |
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401 | } |
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402 | |
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403 | void F04DetectorConstruction::SetTargetThickness(G4double val) |
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404 | { |
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405 | TargetThickness = val; |
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406 | } |
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407 | |
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408 | void F04DetectorConstruction::SetTargetPos(G4double val) |
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409 | { |
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410 | TargetPos = val; |
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411 | } |
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412 | |
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413 | void F04DetectorConstruction::SetTargetAngle(G4int val) |
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414 | { |
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415 | TargetAngle = val; |
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416 | } |
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417 | |
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418 | void F04DetectorConstruction::SetDegraderRadius(G4double val) |
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419 | { |
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420 | DegraderRadius = val; |
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421 | } |
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422 | |
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423 | void F04DetectorConstruction::SetDegraderThickness(G4double val) |
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424 | { |
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425 | DegraderThickness = val; |
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426 | } |
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427 | |
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428 | void F04DetectorConstruction::SetDegraderPos(G4double val) |
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429 | { |
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430 | DegraderPos = val; |
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431 | } |
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432 | |
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433 | void F04DetectorConstruction::UpdateGeometry() |
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434 | { |
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435 | if (!physiWorld) return; |
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436 | |
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437 | // clean-up previous geometry |
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438 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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439 | |
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440 | G4PhysicalVolumeStore::GetInstance()->Clean(); |
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441 | G4LogicalVolumeStore::GetInstance()->Clean(); |
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442 | G4SolidStore::GetInstance()->Clean(); |
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443 | |
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444 | //define new one |
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445 | G4RunManager::GetRunManager()->DefineWorldVolume(ConstructDetector()); |
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446 | |
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447 | G4RunManager::GetRunManager()->GeometryHasBeenModified(); |
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448 | G4RunManager::GetRunManager()->PhysicsHasBeenModified(); |
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449 | |
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450 | G4RegionStore::GetInstance()->UpdateMaterialList(physiWorld); |
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451 | |
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452 | } |
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453 | |
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454 | G4RotationMatrix |
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455 | F04DetectorConstruction::stringToRotationMatrix(G4String rotation) |
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456 | { |
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457 | // We apply successive rotations OF THE OBJECT around the FIXED |
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458 | // axes of the parent's local coordinates; rotations are applied |
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459 | // left-to-right (rotation="r1,r2,r3" => r1 then r2 then r3). |
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460 | |
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461 | G4RotationMatrix rot; |
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462 | |
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463 | unsigned int place = 0; |
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464 | |
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465 | while (place < rotation.size()) { |
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466 | |
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467 | G4double angle; |
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468 | char* p(0); |
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469 | G4String current=rotation.substr(place+1); |
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470 | angle = strtod(current.c_str(),&p) * deg; |
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471 | |
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472 | if (!p || (*p != ',' && *p != '\0')) { |
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473 | G4cerr << "Invalid rotation specification: " << |
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474 | rotation.c_str() << G4endl; |
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475 | |
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476 | return rot; |
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477 | } |
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478 | |
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479 | G4RotationMatrix thisRotation; |
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480 | |
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481 | switch(rotation.substr(place,1).c_str()[0]) { |
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482 | case 'X': case 'x': |
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483 | thisRotation = G4RotationMatrix(CLHEP::HepRotationX(angle)); |
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484 | break; |
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485 | case 'Y': case 'y': |
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486 | thisRotation = G4RotationMatrix(CLHEP::HepRotationY(angle)); |
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487 | break; |
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488 | case 'Z': case 'z': |
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489 | thisRotation = G4RotationMatrix(CLHEP::HepRotationZ(angle)); |
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490 | break; |
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491 | default: |
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492 | G4cerr << " Invalid rotation specification: " |
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493 | << rotation << G4endl; |
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494 | return rot; |
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495 | } |
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496 | |
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497 | rot = thisRotation * rot; |
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498 | place = rotation.find(',',place); |
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499 | if (place > rotation.size()) break; |
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500 | ++place; |
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501 | } |
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502 | |
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503 | return rot; |
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504 | |
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505 | } |
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