source: trunk/examples/advanced/medical_linac/src/MedLinacPhantomROGeometry.cc@ 1271

Last change on this file since 1271 was 807, checked in by garnier, 17 years ago

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[807]1//
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25//
26// $Id: MedLinacPhantomROGeometry.cc,v 1.5 2006/06/29 16:04:35 gunter Exp $
27//
28//
29// Code developed by: M. Piergentili
30//
31#include "MedLinacPhantomROGeometry.hh"
32#include "MedLinacDummySD.hh"
33
34#include "G4LogicalVolume.hh"
35#include "G4VPhysicalVolume.hh"
36#include "G4PVPlacement.hh"
37#include "G4PVReplica.hh"
38#include "G4SDManager.hh"
39#include "G4Box.hh"
40#include "G4Tubs.hh"
41#include "G4SubtractionSolid.hh"
42#include "G4ThreeVector.hh"
43#include "G4Material.hh"
44
45MedLinacPhantomROGeometry::MedLinacPhantomROGeometry(G4String aString,
46 G4double phantomDim_x,
47 G4double phantomDim_y,
48 G4double phantomDim_z,
49 G4int numberOfVoxelsX,
50 G4int numberOfVoxelsY,
51 G4int numberOfVoxelsZ):
52 G4VReadOutGeometry(aString),
53 PhantomDimensionX(phantomDim_x),
54 PhantomDimensionY(phantomDim_y),
55 PhantomDimensionZ(phantomDim_z),
56 NumberOfVoxelsAlongX(numberOfVoxelsX),
57 NumberOfVoxelsAlongY(numberOfVoxelsY),
58 NumberOfVoxelsAlongZ(numberOfVoxelsZ)
59{}
60MedLinacPhantomROGeometry::~MedLinacPhantomROGeometry()
61{
62}
63
64G4VPhysicalVolume* MedLinacPhantomROGeometry::Build()
65{
66
67 G4cout << " MedLinacPhantomROGeometry::Build()-----------------------" << G4endl;
68
69 //G4Material* dummyMat = new G4Material(name="dummyMat", 1., 1.*g/mole, 1.*g/cm3);
70 G4double a; // atomic mass
71 G4double z; // atomic number
72 G4int natoms;
73 G4String name;
74 G4String symbol;
75 a = 16.00*g/mole;
76 G4Element* elO = new G4Element(name="Oxygen",symbol="O", z=8., a);
77
78 a = 1.00794*g/mole;
79 G4Element* elH = new G4Element(name="Hydrogen",symbol="H", z=1., a);
80
81 G4double density;
82 G4int ncomponents;
83 density = 1.000*g/cm3;
84 G4Material* H2O = new G4Material(name="Water",density, ncomponents=2);
85 H2O->AddElement(elH, natoms=2);
86 H2O->AddElement(elO, natoms=1);
87
88 G4double expHall_x = 3.0*m;
89 G4double expHall_y = 3.0*m;
90 G4double expHall_z = 3.0*m;
91
92 // variables for division ...
93 G4double halfXVoxelDimensionX = PhantomDimensionX/NumberOfVoxelsAlongX;
94 G4double halfXVoxelDimensionZ = PhantomDimensionZ;
95 G4double voxelXThickness = 2*halfXVoxelDimensionX;
96
97
98 // world volume of ROGeometry ...
99 G4Box *ROWorld = new G4Box("ROWorld",
100 expHall_x,
101 expHall_y,
102 expHall_z);
103
104 G4LogicalVolume *ROWorldLog = new G4LogicalVolume(ROWorld,
105 H2O,
106 "ROWorldLog",
107 0,0,0);
108
109 G4VPhysicalVolume *ROWorldPhys = new G4PVPlacement(0,
110 G4ThreeVector(),
111 "ROWorldPhys",
112 ROWorldLog,
113 0,false,0);
114
115 // phantom ROGeometry ...
116 G4Box *ROPhantom = new G4Box("ROPhantom",
117 PhantomDimensionX,
118 PhantomDimensionY,
119 PhantomDimensionZ);
120
121 G4LogicalVolume *ROPhantomLog = new G4LogicalVolume(ROPhantom,
122 H2O,
123 "ROPhantomLog",
124 0,0,0);
125
126 G4VPhysicalVolume *ROPhantomPhys = new G4PVPlacement(0,
127 G4ThreeVector(),
128 "PhantomPhys",
129 ROPhantomLog,
130 ROWorldPhys,
131 false,0);
132
133 // ROGeomtry: Voxel division
134
135 // X division first...
136 G4Box *ROPhantomXDivision = new G4Box("ROPhantomXDivision",
137 halfXVoxelDimensionX,
138 halfXVoxelDimensionZ,
139 halfXVoxelDimensionZ);
140
141 G4LogicalVolume *ROPhantomXDivisionLog = new G4LogicalVolume(ROPhantomXDivision,
142 H2O,
143 "ROPhantomXDivisionLog",
144 0,0,0);
145
146 G4VPhysicalVolume *ROPhantomXDivisionPhys = new G4PVReplica("ROPhantomXDivisionPhys",
147 ROPhantomXDivisionLog,
148 ROPhantomPhys,
149 kXAxis,
150 NumberOfVoxelsAlongX,
151 voxelXThickness);
152 // ...then Z division
153
154 G4Box *ROPhantomZDivision = new G4Box("ROPhantomZDivision",
155 halfXVoxelDimensionX,
156 halfXVoxelDimensionZ,
157 halfXVoxelDimensionX);
158
159 G4LogicalVolume *ROPhantomZDivisionLog = new G4LogicalVolume(ROPhantomZDivision,
160 H2O,
161 "ROPhantomZDivisionLog",
162 0,0,0);
163
164 G4VPhysicalVolume *ROPhantomZDivisionPhys = new G4PVReplica("ROPhantomZDivisionPhys",
165 ROPhantomZDivisionLog,
166 ROPhantomXDivisionPhys,
167 kZAxis,
168 NumberOfVoxelsAlongZ,
169 voxelXThickness);
170 // ...then Y division
171
172 G4Box *ROPhantomYDivision = new G4Box("ROPhantomYDivision",
173 halfXVoxelDimensionX,
174 halfXVoxelDimensionX,
175 halfXVoxelDimensionX);
176
177 G4LogicalVolume *ROPhantomYDivisionLog = new G4LogicalVolume(ROPhantomYDivision,
178 H2O,
179 "ROPhantomYDivisionLog",
180 0,0,0);
181
182 ROPhantomYDivisionPhys = new G4PVReplica("ROPhantomYDivisionPhys",
183 ROPhantomYDivisionLog,
184 ROPhantomZDivisionPhys,
185 kYAxis,
186 NumberOfVoxelsAlongZ,
187 voxelXThickness);
188
189 MedLinacDummySD *dummySD = new MedLinacDummySD;
190 ROPhantomYDivisionLog->SetSensitiveDetector(dummySD);
191
192 return ROWorldPhys;
193}
194
195
196
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