| 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // $Id: 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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