| Geant4 Cross Reference |
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 //
27 // --------------------------------------------------------------
28 // GEANT 4 - Brachytherapy example
29 // --------------------------------------------------------------
30 //
31 // Code developed by:
32 // S. Guatelli, D. Cutajar, J. Poder
33 // Centre For Medical Radiation Physics, University of Wollongong
34 //
35 // ****************************************
36 // * *
37 // * BrachyDetectorConstructionFlexi.cc*
38 // * *
39 // ****************************************
40 //
41 //
42 #include "globals.hh"
43 #include "G4SystemOfUnits.hh"
44 #include "BrachyDetectorConstructionFlexi.hh"
45 #include "G4RunManager.hh"
46 #include "G4Tubs.hh"
47 #include "G4Cons.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 BrachyDetectorConstructionFlexi::BrachyDetectorConstructionFlexi()
59 : fSteelShell(nullptr), fLogicalSteelShell(nullptr), fAirGap(nullptr), fLogicalAirGap(nullptr), fPhysicalAirGap(nullptr),
60 fEnd1SteelShell(nullptr), fLogicalEnd1SteelShell(nullptr), fPhysicalEnd1SteelShell(nullptr),
61 fEnd2SteelShell(nullptr), fLogicalEnd2SteelShell(nullptr), fPhysicalEnd2SteelShell(nullptr),
62 fCable(nullptr), fLogicalCable(nullptr), fPhysicalCable(nullptr),
63 fIridiumCore(nullptr), fLogicalIridiumCore(nullptr), fPhysicalIridiumCore(nullptr),
64 fSteelAttributes(nullptr), fEndAttributes(nullptr), fSimpleIridiumVisAtt(nullptr)
65 {}
66
67 void BrachyDetectorConstructionFlexi::ConstructFlexi(G4VPhysicalVolume* mother)
68 {
69 G4NistManager* nist = G4NistManager::Instance();
70
71 G4Material* iridiumMat = nist -> FindOrBuildMaterial("G4_Ir");
72 G4Material* airMat = nist -> FindOrBuildMaterial("G4_AIR");
73
74 //Define Stainless-steel-304 - Flexi source
75 G4int Z; //atomic number of the element
76 G4Element* elC = nist -> FindOrBuildElement(Z=6);
77 G4Element* elMn = nist -> FindOrBuildElement(Z=12);
78 G4Element* elSi = nist -> FindOrBuildElement(Z=14);
79 G4Element* elCr = nist -> FindOrBuildElement(Z=24);
80 G4Element* elFe = nist -> FindOrBuildElement(Z=26);
81 G4Element* elNi = nist -> FindOrBuildElement(Z=28);
82
83 constexpr G4double d = 7.999*g/cm3;
84 auto steelMat = new G4Material("Stainless steel 304",d,6);
85 steelMat -> AddElement(elMn, 0.02);
86 steelMat -> AddElement(elSi, 0.01);
87 steelMat -> AddElement(elCr, 0.19);
88 steelMat -> AddElement(elNi, 0.10);
89 steelMat -> AddElement(elFe, 0.6792);
90 steelMat -> AddElement(elC, 0.0008);
91
92 //Define dimensions of the outer Steel shell around the solid source - not including the ends
93
94 G4double shellr_min = 0.00 * mm;
95 G4double shellr_max = 0.85 * mm;
96 G4double shell_length = 3.6 * mm;
97 fSteelShell = new G4Tubs("steel_shell",shellr_min, shellr_max/2, shell_length/2.,0.*deg,360.*deg);
98 fLogicalSteelShell = new G4LogicalVolume(fSteelShell, steelMat, "steel_shell_log", nullptr, nullptr, nullptr);
99 fPhysicalSteelShell = new G4PVPlacement(nullptr,G4ThreeVector(0,0,0),"phys_steel_shell", fLogicalSteelShell, mother, false, 0, true);
100
101 //Define dimensions of the air gap between Steel shell and Iridium core
102 G4double airr_min = 0.00 * mm;
103 G4double airr_max = 0.67 * mm;
104 G4double air_length = 3.6 * mm;
105 fAirGap = new G4Tubs("air_gap", airr_min, airr_max/2, air_length/2, 0.*deg, 360.*deg);
106 fLogicalAirGap = new G4LogicalVolume(fAirGap, airMat, "air_gap_log", nullptr, nullptr, nullptr);
107 fPhysicalAirGap = new G4PVPlacement(nullptr, G4ThreeVector(0,0,0), "phys_air_gap", fLogicalAirGap, fPhysicalSteelShell, false, 0, true);
108
109 //Define the non-cable weld end of the Steel shell
110 G4double end1r_min = 0.0 * mm;
111 G4double end1r_max = 0.85 * mm;
112 G4double end1length = 0.65 * mm;
113 fEnd1SteelShell = new G4Tubs("End_1_steel_shell", end1r_min, end1r_max/2, end1length/2.,0.*deg,360.*deg);
114 fLogicalEnd1SteelShell = new G4LogicalVolume(fEnd1SteelShell, steelMat, "End1_steel_shell_log", nullptr, nullptr, nullptr);
115 G4double end1offset_x = 0.0 * mm;
116 G4double end1offset_y = 0.0 * mm;
117 G4double end1offset_z = 2.125 * mm;
118 fPhysicalEnd1SteelShell = new G4PVPlacement(nullptr,G4ThreeVector(end1offset_x,end1offset_y,end1offset_z),"phys_End1_steel_shell", fLogicalEnd1SteelShell,mother, false, 0, true);
119
120 //Define the cable weld end of the Steel shell
121 G4double end2r_min1 = 0.0 * mm;
122 G4double end2r_max1 = 0.85 * mm;
123 G4double end2r_min2 = 0.0 * mm;
124 G4double end2r_max2 = 0.5 * mm;
125 G4double end2length = 0.4 * mm;
126 fEnd2SteelShell = new G4Cons("End_2_steel_shell", end2r_min2, end2r_max2/2, end2r_min1, end2r_max1/2, end2length/2.0, 0.0, 360.0*deg);
127 fLogicalEnd2SteelShell = new G4LogicalVolume(fEnd2SteelShell, steelMat, "End2_steel_shell_log", nullptr, nullptr, nullptr);
128 G4double end2offset_x = 0.0 * mm;
129 G4double end2offset_y = 0.0 * mm;
130 G4double end2offset_z = -2.0 * mm;
131 fPhysicalEnd2SteelShell = new G4PVPlacement(nullptr,G4ThreeVector(end2offset_x,end2offset_y,end2offset_z), "phys_End2_steel_shell", fLogicalEnd2SteelShell, mother, false, 0, true);
132
133 //Define the cable
134 G4double cable_min = 0.0 * mm;
135 G4double cable_max = 0.5 * mm;
136 G4double cablelength = 5.0 * mm;
137 fCable = new G4Tubs("cable",cable_min, cable_max/2, cablelength/2.,0.*deg,360.*deg);
138 fLogicalCable = new G4LogicalVolume(fCable, steelMat, "cable_log", nullptr, nullptr, nullptr);
139 G4double cableoffset_x = 0.0 * mm;
140 G4double cableoffset_y = 0.0 * mm;
141 G4double cableoffset_z = -4.7 * mm;
142 fPhysicalCable = new G4PVPlacement(nullptr,G4ThreeVector(cableoffset_x,cableoffset_y,cableoffset_z),"phys_cable", fLogicalCable, mother, false, 0, true);
143
144 // Define the Iridium core
145 G4double corer_min = 0.0 * mm;
146 G4double corer_max = 0.6 * mm;
147 G4double core_length = 3.5 * mm;
148 fIridiumCore = new G4Tubs("iridium_core",corer_min, corer_max/2,core_length/2.,0.*deg,360.*deg);
149 fLogicalIridiumCore = new G4LogicalVolume(fIridiumCore, iridiumMat, "iridium_core_log", nullptr, nullptr, nullptr);
150 fPhysicalIridiumCore = new G4PVPlacement(nullptr,G4ThreeVector(0,0,0), "phys_iridium_core", fLogicalIridiumCore, fPhysicalAirGap, false, 0, true);
151
152 // Visualisations
153
154 //Shell/cable attributes
155 fSteelAttributes = new G4VisAttributes(G4Colour(1.0, 0.0, 0.0)); // red
156 fSteelAttributes -> SetVisibility(true);
157 fSteelAttributes -> SetForceAuxEdgeVisible(true);
158
159 fEndAttributes = new G4VisAttributes(G4Colour(1.0, 0.0, 0.0)); // red
160 fEndAttributes -> SetVisibility(true);
161 fEndAttributes -> SetForceAuxEdgeVisible(true);
162 fLogicalSteelShell -> SetVisAttributes(fSteelAttributes);
163 fLogicalEnd1SteelShell -> SetVisAttributes(fEndAttributes);
164 fLogicalEnd2SteelShell -> SetVisAttributes(fEndAttributes);
165 fLogicalCable -> SetVisAttributes(fSteelAttributes);
166
167 G4Colour magenta (1.0, 0.0, 1.0) ;
168
169 fSimpleIridiumVisAtt = new G4VisAttributes(magenta);
170 fSimpleIridiumVisAtt -> SetVisibility(true);
171 fSimpleIridiumVisAtt -> SetForceWireframe(true);
172 fLogicalIridiumCore -> SetVisAttributes(fSimpleIridiumVisAtt);
173 }
174
175 void BrachyDetectorConstructionFlexi::CleanFlexi()
176 {
177 delete fSimpleIridiumVisAtt;
178 fSimpleIridiumVisAtt = nullptr;
179
180 delete fEndAttributes;
181 fEndAttributes = nullptr;
182
183 delete fSteelAttributes;
184 fSteelAttributes = nullptr;
185
186 delete fPhysicalIridiumCore;
187 fPhysicalIridiumCore = nullptr ;
188
189 delete fLogicalIridiumCore;
190 fLogicalIridiumCore = nullptr;
191
192 delete fIridiumCore;
193 fIridiumCore = nullptr;
194
195 delete fPhysicalCable;
196 fPhysicalCable = nullptr;
197
198 delete fLogicalCable;
199 fLogicalCable = nullptr;
200
201 delete fCable;
202 fCable = nullptr;
203
204 delete fPhysicalEnd2SteelShell;
205 fPhysicalEnd2SteelShell = nullptr;
206
207 delete fLogicalEnd2SteelShell;
208 fLogicalEnd2SteelShell = nullptr;
209
210 delete fEnd2SteelShell;
211 fEnd2SteelShell = nullptr;
212
213 delete fPhysicalEnd1SteelShell;
214 fPhysicalEnd1SteelShell = nullptr;
215
216 delete fLogicalEnd1SteelShell;
217 fLogicalEnd1SteelShell = nullptr;
218
219 delete fEnd1SteelShell;
220 fEnd1SteelShell = nullptr;
221
222 delete fPhysicalAirGap;
223 fPhysicalAirGap = nullptr;
224
225 delete fLogicalAirGap;
226 fLogicalAirGap = nullptr;
227
228 delete fAirGap;
229 fAirGap = nullptr;
230
231 delete fPhysicalSteelShell;
232 fPhysicalSteelShell = nullptr;
233
234 delete fLogicalSteelShell;
235 fLogicalSteelShell = nullptr;
236
237 delete fSteelShell;
238 fSteelShell = nullptr;
239
240 G4RunManager::GetRunManager() -> GeometryHasBeenModified();
241 }
242