[807] | 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 | // Authors: S. Guatelli and M. G. Pia, INFN Genova, Italy |
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| 27 | // |
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| 28 | // Based on code developed by the undergraduate student G. Guerrieri |
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| 29 | // Note: this is a preliminary beta-version of the code; an improved |
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| 30 | // version will be distributed in the next Geant4 public release, compliant |
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| 31 | // with the design in a forthcoming publication, and subject to a |
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| 32 | // design and code review. |
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| 33 | // |
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| 34 | #include "G4VoxelRightBreastROGeometry.hh" |
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| 35 | #include "G4HumanDummyRightBreastSD.hh" |
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| 36 | #include "G4LogicalVolume.hh" |
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| 37 | #include "G4VPhysicalVolume.hh" |
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| 38 | #include "G4PVPlacement.hh" |
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| 39 | #include "G4PVReplica.hh" |
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| 40 | #include "G4SDManager.hh" |
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| 41 | #include "G4Box.hh" |
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| 42 | #include "G4ThreeVector.hh" |
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| 43 | #include "G4Material.hh" |
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| 44 | #include "G4Tubs.hh" |
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| 45 | |
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| 46 | G4VoxelRightBreastROGeometry::G4VoxelRightBreastROGeometry(G4String aString): |
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| 47 | |
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| 48 | G4VReadOutGeometry(aString), ROvoxel_phys(0) |
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| 49 | { |
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| 50 | } |
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| 51 | |
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| 52 | G4VoxelRightBreastROGeometry::~G4VoxelRightBreastROGeometry() |
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| 53 | { |
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| 54 | } |
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| 55 | |
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| 56 | G4VPhysicalVolume* G4VoxelRightBreastROGeometry::Build() |
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| 57 | { |
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| 58 | |
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| 59 | // A dummy material is used to fill the volumes of the readout geometry. |
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| 60 | // (It will be allowed to set a NULL pointer in volumes of such virtual |
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| 61 | // division in future, since this material is irrelevant for tracking.) |
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| 62 | |
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| 63 | G4Material* dummyMat = new G4Material(name="dummyMat", |
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| 64 | 1., 1.*g/mole, 1.*g/cm3); |
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| 65 | |
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| 66 | G4double worldSizeX = 2.0*m; |
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| 67 | G4double worldSizeY = 2.0*m; |
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| 68 | G4double worldSizeZ = 2.0*m; |
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| 69 | |
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| 70 | // world volume of ROGeometry ... |
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| 71 | G4Box *ROWorld = new G4Box("ROWorld", |
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| 72 | worldSizeX/2., |
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| 73 | worldSizeY/2., |
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| 74 | worldSizeZ/2.); |
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| 75 | |
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| 76 | G4LogicalVolume *ROWorldLog = new G4LogicalVolume(ROWorld, |
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| 77 | dummyMat, |
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| 78 | "ROWorldLog", |
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| 79 | 0,0,0); |
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| 80 | |
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| 81 | G4VPhysicalVolume *ROWorldPhys = new G4PVPlacement(0, |
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| 82 | G4ThreeVector(), |
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| 83 | "ROWorldPhys", |
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| 84 | ROWorldLog, |
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| 85 | 0,false,0); |
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| 86 | |
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| 87 | // Breast Mother Volume |
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| 88 | G4double rmin = 0.* cm; |
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| 89 | G4double startPhi = 0.* degree; |
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| 90 | G4double spanningPhi = 180. * degree; |
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| 91 | G4double rmax = 5.5 *cm; |
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| 92 | G4double zz = 5. *cm; |
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| 93 | |
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| 94 | // RO geometry is defined for the inner tube of the breast |
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| 95 | |
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| 96 | G4Tubs* ROinnerRightBreast = new G4Tubs("innerRightBreast", |
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| 97 | rmin, rmax, |
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| 98 | zz/2., startPhi, spanningPhi); |
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| 99 | |
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| 100 | G4LogicalVolume* ROinnerRightBreast_log = new G4LogicalVolume(ROinnerRightBreast, |
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| 101 | dummyMat, |
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| 102 | "InnerRightBreast", |
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| 103 | 0, 0, 0); |
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| 104 | G4RotationMatrix* matrix = new G4RotationMatrix(); |
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| 105 | matrix -> rotateX(-90.* degree); |
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| 106 | matrix -> rotateY(180.* degree); |
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| 107 | matrix -> rotateZ(18. * degree); |
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| 108 | |
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| 109 | |
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| 110 | G4VPhysicalVolume* ROphysInnerRightBreast = new G4PVPlacement(matrix, |
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| 111 | G4ThreeVector(-10.*cm, 52.* cm, 8.7 *cm), |
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| 112 | "innerRightBreast", |
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| 113 | ROinnerRightBreast_log, |
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| 114 | ROWorldPhys, |
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| 115 | false, |
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| 116 | 0); |
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| 117 | |
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| 118 | // Breast RO Geometry - slices along z axis |
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| 119 | G4double rmin_voxelz = 0.* cm; |
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| 120 | G4double rmax_voxelz = 5.5 * cm; |
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| 121 | G4double zz_voxels = 5. * cm; |
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| 122 | G4double startPhi_voxelz = 0.* degree; |
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| 123 | G4double spanningPhi_voxelz = 180. * degree; |
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| 124 | G4int nslice = 10; |
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| 125 | |
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| 126 | G4Tubs* ROvoxelz = new G4Tubs("voxel_z", rmin_voxelz, rmax_voxelz, zz_voxels/(2*nslice),startPhi_voxelz, spanningPhi_voxelz); |
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| 127 | |
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| 128 | G4LogicalVolume* ROvoxelz_log = new G4LogicalVolume(ROvoxelz, dummyMat, "voxelz_log",0 , 0, 0); |
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| 129 | |
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| 130 | G4VPhysicalVolume* ROvoxelz_phys = new G4PVReplica("LinearArray", ROvoxelz_log, ROphysInnerRightBreast, |
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| 131 | kZAxis, nslice, zz_voxels/nslice); |
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| 132 | |
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| 133 | G4double voxel_height = (zz_voxels/nslice); |
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| 134 | |
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| 135 | // Breast RO Geometry - slices along phi angle |
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| 136 | |
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| 137 | G4int n_voxels = 10; |
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| 138 | |
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| 139 | G4double voxel_phi = spanningPhi_voxelz/n_voxels; |
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| 140 | |
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| 141 | |
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| 142 | G4Tubs* ROvoxel = new G4Tubs("voxel", rmin_voxelz, rmax_voxelz, voxel_height/2., |
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| 143 | startPhi_voxelz,voxel_phi); |
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| 144 | |
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| 145 | G4LogicalVolume* ROvoxel_log = new G4LogicalVolume(ROvoxel, dummyMat, "voxel_log", 0,0,0); |
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| 146 | |
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| 147 | ROvoxel_phys = new G4PVReplica("RZPhiSlices", |
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| 148 | ROvoxel_log, |
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| 149 | ROvoxelz_phys, |
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| 150 | kPhi, n_voxels, voxel_phi,- (voxel_phi/2.)); |
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| 151 | |
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| 152 | //delete matrix; |
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| 153 | |
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| 154 | G4HumanDummyRightBreastSD* dummySD = new G4HumanDummyRightBreastSD; |
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| 155 | ROvoxel_log -> SetSensitiveDetector(dummySD); |
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| 156 | |
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| 157 | return ROWorldPhys; |
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| 158 | } |
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| 159 | |
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| 160 | |
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| 161 | |
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