1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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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: HadrontherapyPhantomROGeometry.cc; May 2005 |
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27 | // ---------------------------------------------------------------------------- |
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28 | // GEANT 4 - Hadrontherapy example |
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29 | // ---------------------------------------------------------------------------- |
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30 | // Code developed by: |
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31 | // |
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32 | // G.A.P. Cirrone(a)*, F. Di Rosa(a), S. Guatelli(b), G. Russo(a) |
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33 | // |
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34 | // (a) Laboratori Nazionali del Sud |
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35 | // of the National Institute for Nuclear Physics, Catania, Italy |
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36 | // (b) National Institute for Nuclear Physics Section of Genova, genova, Italy |
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37 | // |
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38 | // * cirrone@lns.infn.it |
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39 | // ---------------------------------------------------------------------------- |
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40 | |
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41 | #include "HadrontherapyPhantomROGeometry.hh" |
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42 | #include "HadrontherapyDummySD.hh" |
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43 | #include "G4LogicalVolume.hh" |
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44 | #include "G4VPhysicalVolume.hh" |
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45 | #include "G4PVPlacement.hh" |
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46 | #include "G4PVReplica.hh" |
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47 | #include "G4Box.hh" |
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48 | #include "G4ThreeVector.hh" |
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49 | #include "G4Material.hh" |
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50 | |
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51 | HadrontherapyPhantomROGeometry::HadrontherapyPhantomROGeometry(G4String aString, |
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52 | G4double phantomDimX, |
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53 | G4double phantomDimY, |
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54 | G4double phantomDimZ, |
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55 | G4int numberOfVoxelsX, |
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56 | G4int numberOfVoxelsY, |
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57 | G4int numberOfVoxelsZ): |
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58 | G4VReadOutGeometry(aString), |
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59 | phantomSizeX(phantomDimX), |
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60 | phantomSizeY(phantomDimY), |
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61 | phantomSizeZ(phantomDimZ), |
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62 | numberOfVoxelsAlongX(numberOfVoxelsX), |
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63 | numberOfVoxelsAlongY(numberOfVoxelsY), |
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64 | numberOfVoxelsAlongZ(numberOfVoxelsZ) |
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65 | { |
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66 | } |
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67 | |
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68 | HadrontherapyPhantomROGeometry::~HadrontherapyPhantomROGeometry() |
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69 | { |
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70 | } |
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71 | |
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72 | G4VPhysicalVolume* HadrontherapyPhantomROGeometry::Build() |
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73 | { |
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74 | // A dummy material is used to fill the volumes of the readout geometry. |
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75 | // (It will be allowed to set a NULL pointer in volumes of such virtual |
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76 | // division in future, since this material is irrelevant for tracking.) |
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77 | |
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78 | G4Material* dummyMat = new G4Material(name="dummyMat", 1., 1.*g/mole, 1.*g/cm3); |
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79 | |
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80 | G4double worldSizeX = 200.0 *cm; |
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81 | G4double worldSizeY = 200.0 *cm; |
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82 | G4double worldSizeZ = 200.0 *cm; |
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83 | |
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84 | G4double halfPhantomSizeX = phantomSizeX; |
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85 | G4double halfPhantomSizeY = phantomSizeY; |
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86 | G4double halfPhantomSizeZ = phantomSizeZ; |
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87 | |
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88 | // World volume of ROGeometry ... |
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89 | G4Box* ROWorld = new G4Box("ROWorld", |
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90 | worldSizeX, |
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91 | worldSizeY, |
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92 | worldSizeZ); |
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93 | |
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94 | G4LogicalVolume* ROWorldLog = new G4LogicalVolume(ROWorld, dummyMat, |
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95 | "ROWorldLog", 0,0,0); |
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96 | |
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97 | G4VPhysicalVolume* ROWorldPhys = new G4PVPlacement(0,G4ThreeVector(), |
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98 | "ROWorldPhys", |
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99 | ROWorldLog, |
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100 | 0,false,0); |
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101 | |
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102 | // Phantom ROGeometry |
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103 | G4Box *ROPhantom = new G4Box("ROPhantom", |
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104 | halfPhantomSizeX, |
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105 | halfPhantomSizeY, |
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106 | halfPhantomSizeZ); |
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107 | |
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108 | G4LogicalVolume *ROPhantomLog = new G4LogicalVolume(ROPhantom, |
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109 | dummyMat, |
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110 | "ROPhantomLog", |
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111 | 0,0,0); |
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112 | |
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113 | G4VPhysicalVolume *ROPhantomPhys = new G4PVPlacement(0, |
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114 | G4ThreeVector(-180.0 *mm, |
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115 | 0.0 *mm, |
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116 | 0.0 *mm), |
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117 | "PhantomPhys", |
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118 | ROPhantomLog, |
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119 | ROWorldPhys, |
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120 | false,0); |
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121 | |
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122 | |
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123 | // ROGeomtry: the phantom is divided in voxels along the axis X, Y, Z |
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124 | |
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125 | // Division along X axis: the phantom is devided in slices along the X axis |
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126 | |
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127 | G4double halfXVoxelSizeX = halfPhantomSizeX/numberOfVoxelsAlongX; |
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128 | G4double halfXVoxelSizeY = halfPhantomSizeY; |
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129 | G4double halfXVoxelSizeZ = halfPhantomSizeZ; |
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130 | G4double voxelXThickness = 2*halfXVoxelSizeX; |
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131 | |
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132 | G4Box *ROPhantomXDivision = new G4Box("ROPhantomXDivision", |
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133 | halfXVoxelSizeX, |
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134 | halfXVoxelSizeY, |
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135 | halfXVoxelSizeZ); |
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136 | |
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137 | G4LogicalVolume *ROPhantomXDivisionLog = new G4LogicalVolume(ROPhantomXDivision, |
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138 | dummyMat, |
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139 | "ROPhantomXDivisionLog", |
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140 | 0,0,0); |
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141 | |
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142 | G4VPhysicalVolume *ROPhantomXDivisionPhys = new G4PVReplica("ROPhantomXDivisionPhys", |
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143 | ROPhantomXDivisionLog, |
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144 | ROPhantomPhys, |
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145 | kXAxis, |
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146 | numberOfVoxelsAlongX, |
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147 | voxelXThickness); |
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148 | |
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149 | // Division along Y axis: the slices along the X axis are devided along the Y axis |
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150 | |
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151 | G4double halfYVoxelSizeX = halfXVoxelSizeX; |
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152 | G4double halfYVoxelSizeY = halfPhantomSizeY/numberOfVoxelsAlongY; |
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153 | G4double halfYVoxelSizeZ = halfPhantomSizeZ; |
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154 | G4double voxelYThickness = 2*halfYVoxelSizeY; |
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155 | |
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156 | G4Box *ROPhantomYDivision = new G4Box("ROPhantomYDivision", |
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157 | halfYVoxelSizeX, |
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158 | halfYVoxelSizeY, |
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159 | halfYVoxelSizeZ); |
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160 | |
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161 | G4LogicalVolume *ROPhantomYDivisionLog = new G4LogicalVolume(ROPhantomYDivision, |
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162 | dummyMat, |
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163 | "ROPhantomYDivisionLog", |
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164 | 0,0,0); |
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165 | |
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166 | G4VPhysicalVolume *ROPhantomYDivisionPhys = new G4PVReplica("ROPhantomYDivisionPhys", |
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167 | ROPhantomYDivisionLog, |
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168 | ROPhantomXDivisionPhys, |
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169 | kYAxis, |
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170 | numberOfVoxelsAlongY, |
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171 | voxelYThickness); |
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172 | |
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173 | // Division along Z axis: the slices along the Y axis are devided along the Z axis |
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174 | |
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175 | G4double halfZVoxelSizeX = halfXVoxelSizeX; |
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176 | G4double halfZVoxelSizeY = halfYVoxelSizeY; |
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177 | G4double halfZVoxelSizeZ = halfPhantomSizeZ/numberOfVoxelsAlongZ; |
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178 | G4double voxelZThickness = 2*halfZVoxelSizeZ; |
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179 | |
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180 | G4Box *ROPhantomZDivision = new G4Box("ROPhantomZDivision", |
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181 | halfZVoxelSizeX, |
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182 | halfZVoxelSizeY, |
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183 | halfZVoxelSizeZ); |
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184 | |
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185 | G4LogicalVolume *ROPhantomZDivisionLog = new G4LogicalVolume(ROPhantomZDivision, |
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186 | dummyMat, |
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187 | "ROPhantomZDivisionLog", |
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188 | 0,0,0); |
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189 | |
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190 | ROPhantomZDivisionPhys = new G4PVReplica("ROPhantomZDivisionPhys", |
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191 | ROPhantomZDivisionLog, |
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192 | ROPhantomYDivisionPhys, |
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193 | kZAxis, |
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194 | numberOfVoxelsAlongZ, |
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195 | voxelZThickness); |
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196 | |
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197 | HadrontherapyDummySD *dummySD = new HadrontherapyDummySD; |
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198 | ROPhantomZDivisionLog -> SetSensitiveDetector(dummySD); |
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199 | |
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200 | return ROWorldPhys; |
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201 | } |
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202 | |
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203 | |
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204 | |
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