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 | // GEANT 4 - Brachytherapy example |
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28 | // -------------------------------------------------------------- |
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29 | // |
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30 | // Code developed by: |
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31 | // S. Agostinelli, F. Foppiano, S. Garelli , M. Tropeano, S.Guatelli |
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32 | // |
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33 | // |
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34 | // **************************************** |
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35 | // * * |
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36 | // * BrachyDetectorConstruction.cc * |
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37 | // * * |
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38 | // **************************************** |
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39 | // |
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40 | // $Id: BrachyDetectorConstruction.cc,v 1.29 2006/06/29 15:48:09 gunter Exp $ |
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41 | // GEANT4 tag $Name: geant4-09-04-beta-01 $ |
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42 | // |
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43 | #include "G4CSGSolid.hh" |
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44 | #include "G4MaterialPropertyVector.hh" |
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45 | #include "G4SDManager.hh" |
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46 | #include "G4RunManager.hh" |
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47 | #include "G4Box.hh" |
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48 | #include "G4LogicalVolume.hh" |
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49 | #include "G4ThreeVector.hh" |
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50 | #include "G4PVPlacement.hh" |
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51 | #include "globals.hh" |
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52 | #include "G4MaterialTable.hh" |
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53 | #include "G4TransportationManager.hh" |
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54 | #include "G4Colour.hh" |
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55 | #include "G4UserLimits.hh" |
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56 | #include "G4VisAttributes.hh" |
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57 | #include "BrachyMaterial.hh" |
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58 | #include "BrachyFactoryLeipzig.hh" |
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59 | #include "BrachyFactoryIr.hh" |
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60 | #include "BrachyFactoryI.hh" |
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61 | #include "BrachyPhantomROGeometry.hh" |
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62 | #include "BrachyPhantomSD.hh" |
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63 | #include "BrachyDetectorMessenger.hh" |
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64 | #include "BrachyDetectorConstruction.hh" |
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65 | |
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66 | BrachyDetectorConstruction::BrachyDetectorConstruction(G4String &SDName) |
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67 | : detectorChoice(0), phantomSD(0), phantomROGeometry(0), factory(0), |
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68 | World(0), WorldLog(0), WorldPhys(0), |
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69 | Phantom(0), PhantomLog(0), PhantomPhys(0), |
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70 | phantomAbsorberMaterial(0) |
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71 | { |
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72 | // Define half size of the phantom along the x, y, z axis |
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73 | phantomSizeX = 15.*cm ; |
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74 | phantomSizeY = 15.*cm; |
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75 | phantomSizeZ = 15.*cm; |
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76 | |
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77 | // Define the number of voxels the phantom is subdivided along the |
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78 | // three axis |
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79 | // Each voxel is 1 mm wide |
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80 | numberOfVoxelsAlongX = 300; |
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81 | numberOfVoxelsAlongY = 300; |
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82 | numberOfVoxelsAlongZ = 300; |
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83 | |
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84 | ComputeDimVoxel(); |
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85 | |
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86 | // Define the sizes of the World volume contaning the phantom |
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87 | worldSizeX = 4.0*m; |
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88 | worldSizeY = 4.0*m; |
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89 | worldSizeZ = 4.0*m; |
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90 | |
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91 | sensitiveDetectorName = SDName; |
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92 | |
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93 | // Define the messenger of the Detector component |
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94 | // It is possible to modify geometrical parameters through UI |
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95 | detectorMessenger = new BrachyDetectorMessenger(this); |
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96 | |
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97 | // Define the Iridium source as default source modelled in the geometry |
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98 | factory = new BrachyFactoryIr(); |
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99 | |
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100 | // BrachyMaterial defined the all the materials necessary |
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101 | // for the experimental set-up |
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102 | pMaterial = new BrachyMaterial(); |
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103 | } |
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104 | |
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105 | BrachyDetectorConstruction::~BrachyDetectorConstruction() |
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106 | { |
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107 | delete pMaterial; |
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108 | delete factory; |
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109 | delete detectorMessenger; |
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110 | if (phantomROGeometry) delete phantomROGeometry; |
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111 | } |
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112 | |
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113 | G4VPhysicalVolume* BrachyDetectorConstruction::Construct() |
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114 | { |
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115 | pMaterial -> DefineMaterials(); |
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116 | |
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117 | // Model the phantom (water box) |
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118 | ConstructPhantom(); |
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119 | |
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120 | // Model the source in the phantom |
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121 | factory -> CreateSource(PhantomPhys); //Build the source inside the phantom |
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122 | |
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123 | // Define the sensitive volume: phantom |
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124 | ConstructSensitiveDetector(); |
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125 | |
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126 | return WorldPhys; |
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127 | } |
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128 | |
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129 | void BrachyDetectorConstruction::SwitchBrachytherapicSeed() |
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130 | { |
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131 | // Change the source in the water phantom |
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132 | factory -> CleanSource(); |
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133 | delete factory; |
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134 | |
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135 | switch(detectorChoice) |
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136 | { |
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137 | case 1: |
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138 | factory = new BrachyFactoryI(); |
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139 | break; |
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140 | case 2: |
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141 | factory = new BrachyFactoryLeipzig(); |
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142 | break; |
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143 | case 3: |
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144 | factory = new BrachyFactoryIr(); |
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145 | break; |
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146 | default: |
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147 | factory = new BrachyFactoryIr(); |
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148 | break; |
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149 | } |
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150 | |
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151 | factory -> CreateSource(PhantomPhys); |
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152 | |
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153 | // Notify run manager that the new geometry has been built |
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154 | G4RunManager::GetRunManager() -> DefineWorldVolume( WorldPhys ); |
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155 | } |
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156 | |
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157 | void BrachyDetectorConstruction::SelectBrachytherapicSeed(G4String val) |
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158 | { |
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159 | if(val == "Iodium") |
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160 | { |
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161 | detectorChoice = 1; |
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162 | } |
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163 | else |
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164 | { |
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165 | if(val=="Leipzig") |
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166 | { |
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167 | detectorChoice = 2; |
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168 | } |
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169 | else |
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170 | { |
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171 | if(val=="Iridium") |
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172 | { |
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173 | detectorChoice = 3; |
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174 | } |
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175 | } |
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176 | } |
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177 | |
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178 | G4cout << "Now the source is " << val << G4endl; |
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179 | } |
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180 | |
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181 | void BrachyDetectorConstruction::ConstructPhantom() |
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182 | { |
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183 | // Model the water phantom |
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184 | |
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185 | // Define the light blue color |
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186 | G4Colour lblue (0.0, 0.0, .75); |
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187 | |
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188 | G4Material* air = pMaterial -> GetMat("Air") ; |
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189 | G4Material* water = pMaterial -> GetMat("Water"); |
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190 | |
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191 | ComputeDimVoxel(); |
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192 | |
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193 | // World volume |
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194 | World = new G4Box("World",worldSizeX,worldSizeY,worldSizeZ); |
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195 | WorldLog = new G4LogicalVolume(World,air,"WorldLog",0,0,0); |
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196 | WorldPhys = new G4PVPlacement(0,G4ThreeVector(), |
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197 | "WorldPhys",WorldLog,0,false,0); |
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198 | |
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199 | // Water Box |
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200 | Phantom = new G4Box("Phantom",phantomSizeX,phantomSizeY, |
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201 | phantomSizeZ); |
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202 | |
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203 | // Logical volume |
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204 | PhantomLog = new G4LogicalVolume(Phantom,water,"PhantomLog",0,0,0); |
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205 | |
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206 | // Physical volume |
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207 | PhantomPhys = new G4PVPlacement(0,G4ThreeVector(), // Position: rotation and translation |
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208 | "PhantomPhys", // Name |
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209 | PhantomLog, // Associated logical volume |
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210 | WorldPhys, // Mother volume |
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211 | false,0); |
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212 | |
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213 | WorldLog -> SetVisAttributes (G4VisAttributes::Invisible); |
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214 | |
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215 | // Visualization attributes of the phantom |
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216 | G4VisAttributes* simpleBoxVisAtt = new G4VisAttributes(lblue); |
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217 | simpleBoxVisAtt -> SetVisibility(true); |
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218 | simpleBoxVisAtt -> SetForceWireframe(true); |
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219 | PhantomLog -> SetVisAttributes(simpleBoxVisAtt); |
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220 | } |
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221 | |
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222 | void BrachyDetectorConstruction::ConstructSensitiveDetector() |
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223 | // Sensitive Detector and ReadOut geometry definition |
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224 | { |
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225 | G4SDManager* pSDManager = G4SDManager::GetSDMpointer(); |
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226 | |
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227 | if(!phantomSD) |
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228 | { |
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229 | phantomSD = new BrachyPhantomSD(sensitiveDetectorName); |
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230 | G4String ROGeometryName = "PhantomROGeometry"; |
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231 | phantomROGeometry = new BrachyPhantomROGeometry(ROGeometryName, |
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232 | phantomSizeX, |
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233 | phantomSizeY, |
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234 | phantomSizeZ, |
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235 | numberOfVoxelsAlongX, |
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236 | numberOfVoxelsAlongY, |
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237 | numberOfVoxelsAlongZ); |
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238 | phantomROGeometry -> BuildROGeometry(); |
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239 | phantomSD -> SetROgeometry(phantomROGeometry); |
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240 | pSDManager -> AddNewDetector(phantomSD); |
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241 | |
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242 | PhantomLog -> SetSensitiveDetector(phantomSD); |
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243 | } |
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244 | } |
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245 | |
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246 | void BrachyDetectorConstruction::PrintDetectorParameters() |
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247 | { |
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248 | G4cout << "-----------------------------------------------------------------------" |
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249 | << G4endl |
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250 | << "the phantom is a water box whose size is: " << G4endl |
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251 | << phantomSizeX *2./cm |
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252 | << " cm * " |
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253 | << phantomSizeY *2./cm |
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254 | << " cm * " |
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255 | << phantomSizeZ *2./cm |
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256 | << " cm" << G4endl |
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257 | << "number of Voxel: " |
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258 | << numberOfVoxelsAlongX <<G4endl |
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259 | << "Voxel size: " |
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260 | << dimVoxel * 2/mm |
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261 | << "mm" << G4endl |
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262 | << "The phantom is made of " |
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263 | << phantomAbsorberMaterial -> GetName() <<G4endl |
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264 | << "the source is at the center of the phantom" << G4endl |
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265 | << "-------------------------------------------------------------------------" |
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266 | << G4endl; |
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267 | } |
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268 | |
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269 | void BrachyDetectorConstruction::SetPhantomMaterial(G4String materialChoice) |
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270 | { |
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271 | // It is possible to change the material of the phantom |
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272 | // interactively |
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273 | |
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274 | // Search the material by its name |
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275 | G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice); |
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276 | if (pttoMaterial) |
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277 | { |
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278 | phantomAbsorberMaterial = pttoMaterial; |
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279 | PhantomLog -> SetMaterial(pttoMaterial); |
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280 | PrintDetectorParameters(); |
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281 | } |
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282 | else |
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283 | G4cout << "WARNING: material '" << materialChoice |
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284 | << "' not available!" << G4endl; |
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285 | } |
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