source: trunk/examples/advanced/human_phantom/src/G4MIRDThyroid.cc @ 1253

Last change on this file since 1253 was 807, checked in by garnier, 16 years ago

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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 "G4MIRDThyroid.hh"
35
36#include "globals.hh"
37#include "G4SDManager.hh"
38#include "G4VisAttributes.hh"
39#include "G4HumanPhantomMaterial.hh"
40#include "G4RotationMatrix.hh"
41#include "G4ThreeVector.hh"
42#include "G4VPhysicalVolume.hh"
43#include "G4PVPlacement.hh"
44#include "G4Tubs.hh"
45#include "G4Box.hh"
46#include "G4VSolid.hh"
47#include "G4SubtractionSolid.hh"
48
49G4MIRDThyroid::G4MIRDThyroid()
50{
51}
52
53G4MIRDThyroid::~G4MIRDThyroid()
54{
55}
56
57G4VPhysicalVolume* G4MIRDThyroid::ConstructThyroid(G4VPhysicalVolume* mother, G4String sex, G4bool sensitivity)
58{
59 G4HumanPhantomMaterial* material = new G4HumanPhantomMaterial();
60 G4Material* soft = material -> GetMaterial("soft_tissue");
61 delete material;
62
63 G4double z= 4.20*cm; //c thickness = c, 
64 G4double rmin= 0. * cm;
65 G4double rmax= 1.85 *cm; //Rmax
66  G4double startphi = 0. * degree;
67  G4double deltaphi= 180. * degree; // y< y0
68
69  G4Tubs* LobOfThyroidOut = new G4Tubs("LobOfThyroidOut",
70                                       rmin, rmax,z/2., 
71                                       startphi, deltaphi);
72
73  z= 4.50*cm; // c thickness + something
74  rmax= 0.83 * cm; //r
75  deltaphi= 360. * degree; 
76  G4Tubs* LobOfThyroidIn = new G4Tubs("LobOfThyroidIn",
77                                       rmin, rmax,z/2., 
78                                      startphi, deltaphi);
79
80  G4double xx = 3.72*cm;
81  G4double yy= 3.72*cm;
82  G4double zz= 20.00*cm;
83  G4Box* SubtrThyroid = new G4Box("SubtrThyroid",
84                                  xx/2., yy/2., zz/2.);
85
86  // subtraction of the two tubs
87  G4SubtractionSolid* FirstThyroid = new G4SubtractionSolid("FirstThyroid",
88                                                            LobOfThyroidOut,
89                                                            LobOfThyroidIn);
90
91  G4RotationMatrix* relative_matrix = new G4RotationMatrix();
92  relative_matrix -> rotateX(-50.* degree);
93
94  G4SubtractionSolid* SecondThyroid = new G4SubtractionSolid("SecondThyroid",
95                                                            FirstThyroid,
96                                                            SubtrThyroid,
97                                                            relative_matrix,
98                                                            G4ThreeVector(0.0 *cm,0.0 *cm, 4.20*cm));
99
100 G4RotationMatrix* relative_matrix_2 = new G4RotationMatrix();
101  relative_matrix_2 -> rotateX(50.* degree);
102 
103G4SubtractionSolid* thyroid = new G4SubtractionSolid("SecondThyroid",
104                                                      SecondThyroid,
105                                                      SubtrThyroid,
106                                                      relative_matrix_2,
107                                                      G4ThreeVector(0.0 *cm,0.0 *cm, -5.40*cm));
108
109
110
111 G4LogicalVolume* logicThyroid = new G4LogicalVolume(thyroid, soft,
112                                                     "ThyroidVolume",
113                                                     0, 0, 0);
114
115 G4RotationMatrix* rm = new G4RotationMatrix();
116 
117 rm -> rotateZ(180.*degree);
118 
119  G4VPhysicalVolume* physThyroid = new G4PVPlacement(rm,
120                                                     G4ThreeVector(0.0*cm,-3.91*cm, -5.925*cm),//y0
121                               "physicalThyroid",
122                               logicThyroid,
123                               mother,
124                               false,
125                               0);
126
127  // Sensitive Body Part
128  if (sensitivity==true)
129  { 
130    G4SDManager* SDman = G4SDManager::GetSDMpointer();
131    logicThyroid->SetSensitiveDetector( SDman->FindSensitiveDetector("BodyPartSD") );
132  }
133
134  // Visualization Attributes
135  G4VisAttributes* ThyroidVisAtt = new G4VisAttributes(G4Colour(0.0,1.0,1.0));
136  ThyroidVisAtt->SetForceSolid(true);
137  logicThyroid->SetVisAttributes(ThyroidVisAtt);
138
139  G4cout << "Thyroid created for "<<sex << " !!!!!!" << G4endl;
140
141  // Testing Thyroid Volume
142  G4double ThyroidVol = logicThyroid->GetSolid()->GetCubicVolume();
143  G4cout << "Volume of Thyroid = " << ThyroidVol/cm3 << " cm^3" << G4endl;
144 
145  // Testing Thyroid Material
146  G4String ThyroidMat = logicThyroid->GetMaterial()->GetName();
147  G4cout << "Material of Thyroid = " << ThyroidMat << G4endl;
148 
149  // Testing Density
150  G4double ThyroidDensity = logicThyroid->GetMaterial()->GetDensity();
151  G4cout << "Density of Material = " << ThyroidDensity*cm3/g << " g/cm^3" << G4endl;
152
153  // Testing Mass
154  G4double ThyroidMass = (ThyroidVol)*ThyroidDensity;
155  G4cout << "Mass of Thyroid = " << ThyroidMass/gram << " g" << G4endl;
156
157 
158  return physThyroid;
159}
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