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25 //
26 //
27 // --------------------------------------------------------------
28 // GEANT 4 - Brachytherapy example
29 // --------------------------------------------------------------
30 //
31 // Code developed by:
32 // D. Cutajar
33 //
34 // ****************************************
35 // * *
36 // * BrachyDetectorConstructionTG186.cc *
37 // * *
38 // ****************************************
39 //
40 //
41 #include "BrachyDetectorConstructionTG186.hh"
42 #include "globals.hh"
43 #include "G4SystemOfUnits.hh"
44 #include "G4Sphere.hh"
45 #include "G4RunManager.hh"
46 #include "G4Box.hh"
47 #include "G4Tubs.hh"
48 #include "G4LogicalVolume.hh"
49 #include "G4ThreeVector.hh"
50 #include "G4PVPlacement.hh"
51 #include "G4Transform3D.hh"
52 #include "G4RotationMatrix.hh"
53 #include "G4TransportationManager.hh"
54 #include "G4VisAttributes.hh"
55 #include "G4Colour.hh"
56 #include "G4NistManager.hh"
57
58 BrachyDetectorConstructionTG186::BrachyDetectorConstructionTG186():
59 fTG186capsule(nullptr), fTG186capsuleLog(nullptr),
60 fTG186capsulePhys(nullptr),
61 fTG186capsuleTip(nullptr), fTG186capsuleTipLog(nullptr),
62 fTG186capsuleTipPhys(nullptr),
63 fTG186iridiumCore(nullptr), fTG186iridiumCoreLog(nullptr),
64 fTG186iridiumCorePhys(nullptr),
65 fTG186cable(nullptr), fTG186cableLog(nullptr),
66 fTG186cablePhys(nullptr),
67 fTG186simpleCapsuleVisAtt(nullptr), fTG186simpleCapsuleTipVisAtt(nullptr), fTG186simpleIridiumVisAtt(nullptr),
68 fTG186simpleCableVisAtt(nullptr)
69 {}
70
71 void BrachyDetectorConstructionTG186::ConstructTG186(G4VPhysicalVolume* mother)
72 {
73 G4Colour red (1.0, 0.0, 0.0) ;
74 G4Colour magenta (1.0, 0.0, 1.0) ;
75
76 G4NistManager* nist = G4NistManager::Instance();
77 auto iridium = nist -> FindOrBuildMaterial("G4_Ir");
78
79 // Stainless steel (Medical Physics, Vol 25, No 10, Oct 1998)
80 constexpr G4double d = 8.02*g/cm3;
81 G4int Z; //atomic number of the element
82 G4Element* elMn = nist -> FindOrBuildElement(Z=12);
83 G4Element* elSi = nist -> FindOrBuildElement(Z=14);
84 G4Element* elCr = nist -> FindOrBuildElement(Z=24);
85 G4Element* elFe = nist -> FindOrBuildElement(Z=26);
86 G4Element* elNi = nist -> FindOrBuildElement(Z=28);
87 auto capsuleMat = new G4Material("Stainless steel",d,5);
88 capsuleMat -> AddElement(elMn, 0.02);
89 capsuleMat -> AddElement(elSi, 0.01);
90 capsuleMat -> AddElement(elCr, 0.19);
91 capsuleMat -> AddElement(elNi, 0.10);
92 capsuleMat -> AddElement(elFe, 0.68);
93
94
95 // Capsule main body
96 fTG186capsule = new G4Tubs("TG186-Capsule",0,0.5*mm,2.25*mm,0.*deg,360.*deg);
97 fTG186capsuleLog = new G4LogicalVolume(fTG186capsule,capsuleMat,"TG186-CapsuleLog");
98 fTG186capsulePhys = new G4PVPlacement(nullptr,
99 G4ThreeVector(0,0,-0.4*mm),
100 "TG186-IridiumCapsulePhys",
101 fTG186capsuleLog,
102 mother,
103 false,
104 0, true);
105
106 // Capsule tip
107 fTG186capsuleTip = new G4Sphere("Tg186-CapsuleTipIridium",
108 0.*mm,
109 0.5*mm,
110 0.*deg,
111 360.*deg,
112 0.*deg,
113 90.*deg);
114
115 fTG186capsuleTipLog = new G4LogicalVolume(fTG186capsuleTip,
116 capsuleMat,
117 "CapsuleTipIridumLog");
118
119 fTG186capsuleTipPhys = new G4PVPlacement(nullptr,
120 G4ThreeVector(0.,0.,1.85*mm),
121 "TG186-CapsuleTipIridiumPhys",
122 fTG186capsuleTipLog,
123 mother,
124 false,
125 0, true);
126
127 fTG186cable = new G4Tubs("TG186-cable",
128 0.*mm,
129 0.5*mm,
130 1.0*mm,
131 0.*deg,
132 360.*deg);
133
134 fTG186cableLog = new G4LogicalVolume(fTG186cable,
135 capsuleMat,
136 "TG186-cableLog");
137
138 fTG186cablePhys = new G4PVPlacement(nullptr,
139 G4ThreeVector(0.,0.,-3.65*mm),
140 "TG186-CablePhys",
141 fTG186cableLog,
142 mother,
143 false,
144 0, true);
145
146 // Iridium core
147 fTG186iridiumCore = new G4Tubs("TG186-IrCore",0,0.30*mm,1.75*mm,0.*deg,360.*deg);
148
149 fTG186iridiumCoreLog = new G4LogicalVolume(fTG186iridiumCore,
150 iridium,
151 "TG186-IridiumCoreLog");
152
153 fTG186iridiumCorePhys = new G4PVPlacement(nullptr,
154 G4ThreeVector(0,0,0.4*mm),
155 "TG186-IridiumCorePhys",
156 fTG186iridiumCoreLog,
157 fTG186capsulePhys,
158 false,
159 0, true);
160
161 fTG186simpleCapsuleVisAtt = new G4VisAttributes(red);
162 fTG186simpleCapsuleVisAtt -> SetVisibility(true);
163 fTG186simpleCapsuleVisAtt -> SetForceWireframe(true);
164 fTG186capsuleLog -> SetVisAttributes(fTG186simpleCapsuleVisAtt);
165
166 fTG186simpleCapsuleTipVisAtt = new G4VisAttributes(red);
167 fTG186simpleCapsuleTipVisAtt -> SetVisibility(true);
168 fTG186simpleCapsuleTipVisAtt -> SetForceSolid(true);
169 fTG186capsuleTipLog -> SetVisAttributes(fTG186simpleCapsuleTipVisAtt);
170
171 fTG186simpleIridiumVisAtt = new G4VisAttributes(magenta);
172 fTG186simpleIridiumVisAtt -> SetVisibility(true);
173 fTG186simpleIridiumVisAtt -> SetForceWireframe(true);
174 fTG186iridiumCoreLog -> SetVisAttributes(fTG186simpleIridiumVisAtt);
175
176 fTG186simpleCableVisAtt = new G4VisAttributes(red);
177 fTG186simpleCableVisAtt -> SetVisibility(true);
178 fTG186simpleCableVisAtt -> SetForceSolid(true);
179 fTG186cableLog -> SetVisAttributes(fTG186simpleCableVisAtt);
180 }
181
182 void BrachyDetectorConstructionTG186::CleanTG186()
183 {
184
185 delete fTG186simpleIridiumVisAtt;
186 fTG186simpleIridiumVisAtt = nullptr;
187
188 delete fTG186iridiumCorePhys;
189 fTG186iridiumCorePhys = nullptr;
190
191 delete fTG186iridiumCore;
192 fTG186iridiumCore = nullptr;
193
194 delete fTG186iridiumCoreLog;
195 fTG186iridiumCoreLog = nullptr ;
196
197 delete fTG186simpleCapsuleTipVisAtt;
198 fTG186simpleCapsuleTipVisAtt = nullptr;
199
200 delete fTG186capsuleTipPhys;
201 fTG186capsuleTipPhys = nullptr;
202
203 delete fTG186capsuleTip;
204 fTG186capsuleTip = nullptr;
205
206 delete fTG186capsuleTipLog;
207 fTG186capsuleTipLog = nullptr;
208
209 delete fTG186simpleCapsuleVisAtt;
210 fTG186simpleCapsuleVisAtt = nullptr;
211
212 delete fTG186capsulePhys;
213 fTG186capsulePhys = nullptr;
214
215 delete fTG186capsule;
216 fTG186capsule = nullptr;
217
218 delete fTG186capsuleLog;
219 fTG186capsuleLog = nullptr;
220
221 delete fTG186cable;
222 fTG186cable = nullptr;
223
224 delete fTG186cableLog;
225 fTG186cableLog = nullptr;
226
227 delete fTG186cablePhys;
228 fTG186cablePhys = nullptr;
229
230 delete fTG186simpleCableVisAtt;
231 fTG186simpleCableVisAtt = nullptr;
232
233 G4RunManager::GetRunManager() -> GeometryHasBeenModified();
234 }
235