1 | // |
---|
2 | // ******************************************************************** |
---|
3 | // * License and Disclaimer * |
---|
4 | // * * |
---|
5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
7 | // * conditions of the Geant4 Software License, included in the file * |
---|
8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
9 | // * include a list of copyright holders. * |
---|
10 | // * * |
---|
11 | // * Neither the authors of this software system, nor their employing * |
---|
12 | // * institutes,nor the agencies providing financial support for this * |
---|
13 | // * work make any representation or warranty, express or implied, * |
---|
14 | // * regarding this software system or assume any liability for its * |
---|
15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
16 | // * for the full disclaimer and the limitation of liability. * |
---|
17 | // * * |
---|
18 | // * This code implementation is the result of the scientific and * |
---|
19 | // * technical work of the GEANT4 collaboration. * |
---|
20 | // * By using, copying, modifying or distributing the software (or * |
---|
21 | // * any work based on the software) you agree to acknowledge its * |
---|
22 | // * use in resulting scientific publications, and indicate your * |
---|
23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
24 | // ******************************************************************** |
---|
25 | // |
---|
26 | // Authors: S. Guatelli and M. G. Pia, INFN Genova, Italy |
---|
27 | // |
---|
28 | // Based on code developed by the undergraduate student G. Guerrieri |
---|
29 | // Note: this is a preliminary beta-version of the code; an improved |
---|
30 | // version will be distributed in the next Geant4 public release, compliant |
---|
31 | // with the design in a forthcoming publication, and subject to a |
---|
32 | // design and code review. |
---|
33 | // |
---|
34 | #include "G4VoxelRightBreastROGeometry.hh" |
---|
35 | #include "G4HumanDummyRightBreastSD.hh" |
---|
36 | #include "G4LogicalVolume.hh" |
---|
37 | #include "G4VPhysicalVolume.hh" |
---|
38 | #include "G4PVPlacement.hh" |
---|
39 | #include "G4PVReplica.hh" |
---|
40 | #include "G4SDManager.hh" |
---|
41 | #include "G4Box.hh" |
---|
42 | #include "G4ThreeVector.hh" |
---|
43 | #include "G4Material.hh" |
---|
44 | #include "G4Tubs.hh" |
---|
45 | |
---|
46 | G4VoxelRightBreastROGeometry::G4VoxelRightBreastROGeometry(G4String aString): |
---|
47 | |
---|
48 | G4VReadOutGeometry(aString), ROvoxel_phys(0) |
---|
49 | { |
---|
50 | } |
---|
51 | |
---|
52 | G4VoxelRightBreastROGeometry::~G4VoxelRightBreastROGeometry() |
---|
53 | { |
---|
54 | } |
---|
55 | |
---|
56 | G4VPhysicalVolume* G4VoxelRightBreastROGeometry::Build() |
---|
57 | { |
---|
58 | |
---|
59 | // A dummy material is used to fill the volumes of the readout geometry. |
---|
60 | // (It will be allowed to set a NULL pointer in volumes of such virtual |
---|
61 | // division in future, since this material is irrelevant for tracking.) |
---|
62 | |
---|
63 | G4Material* dummyMat = new G4Material(name="dummyMat", |
---|
64 | 1., 1.*g/mole, 1.*g/cm3); |
---|
65 | |
---|
66 | G4double worldSizeX = 2.0*m; |
---|
67 | G4double worldSizeY = 2.0*m; |
---|
68 | G4double worldSizeZ = 2.0*m; |
---|
69 | |
---|
70 | // world volume of ROGeometry ... |
---|
71 | G4Box *ROWorld = new G4Box("ROWorld", |
---|
72 | worldSizeX/2., |
---|
73 | worldSizeY/2., |
---|
74 | worldSizeZ/2.); |
---|
75 | |
---|
76 | G4LogicalVolume *ROWorldLog = new G4LogicalVolume(ROWorld, |
---|
77 | dummyMat, |
---|
78 | "ROWorldLog", |
---|
79 | 0,0,0); |
---|
80 | |
---|
81 | G4VPhysicalVolume *ROWorldPhys = new G4PVPlacement(0, |
---|
82 | G4ThreeVector(), |
---|
83 | "ROWorldPhys", |
---|
84 | ROWorldLog, |
---|
85 | 0,false,0); |
---|
86 | |
---|
87 | // Breast Mother Volume |
---|
88 | G4double rmin = 0.* cm; |
---|
89 | G4double startPhi = 0.* degree; |
---|
90 | G4double spanningPhi = 180. * degree; |
---|
91 | G4double rmax = 5.5 *cm; |
---|
92 | G4double zz = 5. *cm; |
---|
93 | |
---|
94 | // RO geometry is defined for the inner tube of the breast |
---|
95 | |
---|
96 | G4Tubs* ROinnerRightBreast = new G4Tubs("innerRightBreast", |
---|
97 | rmin, rmax, |
---|
98 | zz/2., startPhi, spanningPhi); |
---|
99 | |
---|
100 | G4LogicalVolume* ROinnerRightBreast_log = new G4LogicalVolume(ROinnerRightBreast, |
---|
101 | dummyMat, |
---|
102 | "InnerRightBreast", |
---|
103 | 0, 0, 0); |
---|
104 | G4RotationMatrix* matrix = new G4RotationMatrix(); |
---|
105 | matrix -> rotateX(-90.* degree); |
---|
106 | matrix -> rotateY(180.* degree); |
---|
107 | matrix -> rotateZ(18. * degree); |
---|
108 | |
---|
109 | |
---|
110 | G4VPhysicalVolume* ROphysInnerRightBreast = new G4PVPlacement(matrix, |
---|
111 | G4ThreeVector(-10.*cm, 52.* cm, 8.7 *cm), |
---|
112 | "innerRightBreast", |
---|
113 | ROinnerRightBreast_log, |
---|
114 | ROWorldPhys, |
---|
115 | false, |
---|
116 | 0); |
---|
117 | |
---|
118 | // Breast RO Geometry - slices along z axis |
---|
119 | G4double rmin_voxelz = 0.* cm; |
---|
120 | G4double rmax_voxelz = 5.5 * cm; |
---|
121 | G4double zz_voxels = 5. * cm; |
---|
122 | G4double startPhi_voxelz = 0.* degree; |
---|
123 | G4double spanningPhi_voxelz = 180. * degree; |
---|
124 | G4int nslice = 10; |
---|
125 | |
---|
126 | G4Tubs* ROvoxelz = new G4Tubs("voxel_z", rmin_voxelz, rmax_voxelz, zz_voxels/(2*nslice),startPhi_voxelz, spanningPhi_voxelz); |
---|
127 | |
---|
128 | G4LogicalVolume* ROvoxelz_log = new G4LogicalVolume(ROvoxelz, dummyMat, "voxelz_log",0 , 0, 0); |
---|
129 | |
---|
130 | G4VPhysicalVolume* ROvoxelz_phys = new G4PVReplica("LinearArray", ROvoxelz_log, ROphysInnerRightBreast, |
---|
131 | kZAxis, nslice, zz_voxels/nslice); |
---|
132 | |
---|
133 | G4double voxel_height = (zz_voxels/nslice); |
---|
134 | |
---|
135 | // Breast RO Geometry - slices along phi angle |
---|
136 | |
---|
137 | G4int n_voxels = 10; |
---|
138 | |
---|
139 | G4double voxel_phi = spanningPhi_voxelz/n_voxels; |
---|
140 | |
---|
141 | |
---|
142 | G4Tubs* ROvoxel = new G4Tubs("voxel", rmin_voxelz, rmax_voxelz, voxel_height/2., |
---|
143 | startPhi_voxelz,voxel_phi); |
---|
144 | |
---|
145 | G4LogicalVolume* ROvoxel_log = new G4LogicalVolume(ROvoxel, dummyMat, "voxel_log", 0,0,0); |
---|
146 | |
---|
147 | ROvoxel_phys = new G4PVReplica("RZPhiSlices", |
---|
148 | ROvoxel_log, |
---|
149 | ROvoxelz_phys, |
---|
150 | kPhi, n_voxels, voxel_phi,- (voxel_phi/2.)); |
---|
151 | |
---|
152 | //delete matrix; |
---|
153 | |
---|
154 | G4HumanDummyRightBreastSD* dummySD = new G4HumanDummyRightBreastSD; |
---|
155 | ROvoxel_log -> SetSensitiveDetector(dummySD); |
---|
156 | |
---|
157 | return ROWorldPhys; |
---|
158 | } |
---|
159 | |
---|
160 | |
---|
161 | |
---|