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25 // 25 //
26 // 26 //
27 // ------------------------------------------- 27 // --------------------------------------------------------------
28 // GEANT 4 - Brachytherapy exa 28 // GEANT 4 - Brachytherapy example
29 // ------------------------------------------- 29 // --------------------------------------------------------------
30 // 30 //
31 // Code developed by: 31 // Code developed by:
32 // S. Guatelli, D. Cutajar, J. Poder 32 // S. Guatelli, D. Cutajar, J. Poder
33 // Centre For Medical Radiation Physics, Unive 33 // Centre For Medical Radiation Physics, University of Wollongong
34 // 34 //
35 // **************************************** 35 // ****************************************
36 // * * 36 // * *
37 // * BrachyDetectorConstructionFlexi.cc* 37 // * BrachyDetectorConstructionFlexi.cc*
38 // * * 38 // * *
39 // **************************************** 39 // ****************************************
40 // 40 //
41 // 41 //
42 #include "globals.hh" 42 #include "globals.hh"
43 #include "G4SystemOfUnits.hh" 43 #include "G4SystemOfUnits.hh"
44 #include "BrachyDetectorConstructionFlexi.hh" 44 #include "BrachyDetectorConstructionFlexi.hh"
45 #include "G4RunManager.hh" 45 #include "G4RunManager.hh"
46 #include "G4Tubs.hh" 46 #include "G4Tubs.hh"
47 #include "G4Cons.hh" 47 #include "G4Cons.hh"
48 #include "G4LogicalVolume.hh" 48 #include "G4LogicalVolume.hh"
49 #include "G4ThreeVector.hh" 49 #include "G4ThreeVector.hh"
50 #include "G4PVPlacement.hh" 50 #include "G4PVPlacement.hh"
51 #include "G4Transform3D.hh" 51 #include "G4Transform3D.hh"
52 #include "G4RotationMatrix.hh" 52 #include "G4RotationMatrix.hh"
53 #include "G4TransportationManager.hh" 53 #include "G4TransportationManager.hh"
>> 54 #include "BrachyMaterial.hh"
54 #include "G4VisAttributes.hh" 55 #include "G4VisAttributes.hh"
55 #include "G4Colour.hh" 56 #include "G4Colour.hh"
56 #include "G4NistManager.hh" <<
57 57
58 BrachyDetectorConstructionFlexi::BrachyDetecto 58 BrachyDetectorConstructionFlexi::BrachyDetectorConstructionFlexi()
59 : fSteelShell(nullptr), fLogicalSteelShell(n 59 : fSteelShell(nullptr), fLogicalSteelShell(nullptr), fAirGap(nullptr), fLogicalAirGap(nullptr), fPhysicalAirGap(nullptr),
60 fEnd1SteelShell(nullptr), fLogicalEnd1Stee 60 fEnd1SteelShell(nullptr), fLogicalEnd1SteelShell(nullptr), fPhysicalEnd1SteelShell(nullptr),
61 fEnd2SteelShell(nullptr), fLogicalEnd2Stee 61 fEnd2SteelShell(nullptr), fLogicalEnd2SteelShell(nullptr), fPhysicalEnd2SteelShell(nullptr),
62 fCable(nullptr), fLogicalCable(nullptr), f 62 fCable(nullptr), fLogicalCable(nullptr), fPhysicalCable(nullptr),
63 fIridiumCore(nullptr), fLogicalIridiumCore 63 fIridiumCore(nullptr), fLogicalIridiumCore(nullptr), fPhysicalIridiumCore(nullptr),
64 fSteelAttributes(nullptr), fEndAttributes( 64 fSteelAttributes(nullptr), fEndAttributes(nullptr), fSimpleIridiumVisAtt(nullptr)
65 {} << 65 {
>> 66 fMat = new BrachyMaterial();
>> 67 }
>> 68
>> 69 BrachyDetectorConstructionFlexi::~BrachyDetectorConstructionFlexi()
>> 70 {
>> 71 delete fMat;
>> 72 }
66 73
67 void BrachyDetectorConstructionFlexi::Construc 74 void BrachyDetectorConstructionFlexi::ConstructFlexi(G4VPhysicalVolume* mother)
68 { 75 {
69 G4NistManager* nist = G4NistManager::Instanc << 76 G4Material* steelMat = fMat -> GetMat("Stainless steel 304");
70 << 77 G4Material* iridiumMat = fMat -> GetMat("Iridium");
71 G4Material* iridiumMat = nist -> FindOrBuild << 78 G4Material* airMat = fMat -> GetMat("Air");
72 G4Material* airMat = nist -> FindOrBuildMate << 79
73 <<
74 //Define Stainless-steel-304 - Flexi source <<
75 G4int Z; //atomic number of the element <<
76 G4Element* elC = nist -> FindOrBuildElement( <<
77 G4Element* elMn = nist -> FindOrBuildElement <<
78 G4Element* elSi = nist -> FindOrBuildElement <<
79 G4Element* elCr = nist -> FindOrBuildElement <<
80 G4Element* elFe = nist -> FindOrBuildElement <<
81 G4Element* elNi = nist -> FindOrBuildElement <<
82 <<
83 constexpr G4double d = 7.999*g/cm3; <<
84 auto steelMat = new G4Material("Stainless st <<
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 80 //Define dimensions of the outer Steel shell around the solid source - not including the ends
93 81
94 G4double shellr_min = 0.00 * mm; 82 G4double shellr_min = 0.00 * mm;
95 G4double shellr_max = 0.85 * mm; 83 G4double shellr_max = 0.85 * mm;
96 G4double shell_length = 3.6 * mm; 84 G4double shell_length = 3.6 * mm;
97 fSteelShell = new G4Tubs("steel_shell",shell 85 fSteelShell = new G4Tubs("steel_shell",shellr_min, shellr_max/2, shell_length/2.,0.*deg,360.*deg);
98 fLogicalSteelShell = new G4LogicalVolume(fSt << 86 fLogicalSteelShell = new G4LogicalVolume(fSteelShell, steelMat, "steel_shell_log", 0, 0, 0);
99 fPhysicalSteelShell = new G4PVPlacement(null 87 fPhysicalSteelShell = new G4PVPlacement(nullptr,G4ThreeVector(0,0,0),"phys_steel_shell", fLogicalSteelShell, mother, false, 0, true);
100 88
101 //Define dimensions of the air gap between Ste 89 //Define dimensions of the air gap between Steel shell and Iridium core
102 G4double airr_min = 0.00 * mm; 90 G4double airr_min = 0.00 * mm;
103 G4double airr_max = 0.67 * mm; 91 G4double airr_max = 0.67 * mm;
104 G4double air_length = 3.6 * mm; 92 G4double air_length = 3.6 * mm;
105 fAirGap = new G4Tubs("air_gap", airr_min, ai 93 fAirGap = new G4Tubs("air_gap", airr_min, airr_max/2, air_length/2, 0.*deg, 360.*deg);
106 fLogicalAirGap = new G4LogicalVolume(fAirGap << 94 fLogicalAirGap = new G4LogicalVolume(fAirGap, airMat, "air_gap_log", 0, 0, 0);
107 fPhysicalAirGap = new G4PVPlacement(nullptr, 95 fPhysicalAirGap = new G4PVPlacement(nullptr, G4ThreeVector(0,0,0), "phys_air_gap", fLogicalAirGap, fPhysicalSteelShell, false, 0, true);
108 96
109 //Define the non-cable weld end of the Steel s 97 //Define the non-cable weld end of the Steel shell
110 G4double end1r_min = 0.0 * mm; 98 G4double end1r_min = 0.0 * mm;
111 G4double end1r_max = 0.85 * mm; 99 G4double end1r_max = 0.85 * mm;
112 G4double end1length = 0.65 * mm; 100 G4double end1length = 0.65 * mm;
113 fEnd1SteelShell = new G4Tubs("End_1_steel_sh 101 fEnd1SteelShell = new G4Tubs("End_1_steel_shell", end1r_min, end1r_max/2, end1length/2.,0.*deg,360.*deg);
114 fLogicalEnd1SteelShell = new G4LogicalVolume << 102 fLogicalEnd1SteelShell = new G4LogicalVolume(fEnd1SteelShell, steelMat, "End1_steel_shell_log", 0, 0, 0);
115 G4double end1offset_x = 0.0 * mm; 103 G4double end1offset_x = 0.0 * mm;
116 G4double end1offset_y = 0.0 * mm; 104 G4double end1offset_y = 0.0 * mm;
117 G4double end1offset_z = 2.125 * mm; 105 G4double end1offset_z = 2.125 * mm;
118 fPhysicalEnd1SteelShell = new G4PVPlacement( 106 fPhysicalEnd1SteelShell = new G4PVPlacement(nullptr,G4ThreeVector(end1offset_x,end1offset_y,end1offset_z),"phys_End1_steel_shell", fLogicalEnd1SteelShell,mother, false, 0, true);
119 107
120 //Define the cable weld end of the Steel shell 108 //Define the cable weld end of the Steel shell
121 G4double end2r_min1 = 0.0 * mm; 109 G4double end2r_min1 = 0.0 * mm;
122 G4double end2r_max1 = 0.85 * mm; 110 G4double end2r_max1 = 0.85 * mm;
123 G4double end2r_min2 = 0.0 * mm; 111 G4double end2r_min2 = 0.0 * mm;
124 G4double end2r_max2 = 0.5 * mm; 112 G4double end2r_max2 = 0.5 * mm;
125 G4double end2length = 0.4 * mm; 113 G4double end2length = 0.4 * mm;
126 fEnd2SteelShell = new G4Cons("End_2_steel_sh 114 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 << 115 fLogicalEnd2SteelShell = new G4LogicalVolume(fEnd2SteelShell, steelMat, "End2_steel_shell_log", 0, 0, 0);
128 G4double end2offset_x = 0.0 * mm; 116 G4double end2offset_x = 0.0 * mm;
129 G4double end2offset_y = 0.0 * mm; 117 G4double end2offset_y = 0.0 * mm;
130 G4double end2offset_z = -2.0 * mm; 118 G4double end2offset_z = -2.0 * mm;
131 fPhysicalEnd2SteelShell = new G4PVPlacement( 119 fPhysicalEnd2SteelShell = new G4PVPlacement(nullptr,G4ThreeVector(end2offset_x,end2offset_y,end2offset_z), "phys_End2_steel_shell", fLogicalEnd2SteelShell, mother, false, 0, true);
132 120
133 //Define the cable 121 //Define the cable
134 G4double cable_min = 0.0 * mm; 122 G4double cable_min = 0.0 * mm;
135 G4double cable_max = 0.5 * mm; 123 G4double cable_max = 0.5 * mm;
136 G4double cablelength = 5.0 * mm; 124 G4double cablelength = 5.0 * mm;
137 fCable = new G4Tubs("cable",cable_min, cable 125 fCable = new G4Tubs("cable",cable_min, cable_max/2, cablelength/2.,0.*deg,360.*deg);
138 fLogicalCable = new G4LogicalVolume(fCable, << 126 fLogicalCable = new G4LogicalVolume(fCable, steelMat, "cable_log", 0, 0, 0);
139 G4double cableoffset_x = 0.0 * mm; 127 G4double cableoffset_x = 0.0 * mm;
140 G4double cableoffset_y = 0.0 * mm; 128 G4double cableoffset_y = 0.0 * mm;
141 G4double cableoffset_z = -4.7 * mm; 129 G4double cableoffset_z = -4.7 * mm;
142 fPhysicalCable = new G4PVPlacement(nullptr,G 130 fPhysicalCable = new G4PVPlacement(nullptr,G4ThreeVector(cableoffset_x,cableoffset_y,cableoffset_z),"phys_cable", fLogicalCable, mother, false, 0, true);
143 131
144 // Define the Iridium core 132 // Define the Iridium core
145 G4double corer_min = 0.0 * mm; 133 G4double corer_min = 0.0 * mm;
146 G4double corer_max = 0.6 * mm; 134 G4double corer_max = 0.6 * mm;
147 G4double core_length = 3.5 * mm; 135 G4double core_length = 3.5 * mm;
148 fIridiumCore = new G4Tubs("iridium_core",cor 136 fIridiumCore = new G4Tubs("iridium_core",corer_min, corer_max/2,core_length/2.,0.*deg,360.*deg);
149 fLogicalIridiumCore = new G4LogicalVolume(fI << 137 fLogicalIridiumCore = new G4LogicalVolume(fIridiumCore, iridiumMat, "iridium_core_log", 0, 0, 0);
150 fPhysicalIridiumCore = new G4PVPlacement(nul 138 fPhysicalIridiumCore = new G4PVPlacement(nullptr,G4ThreeVector(0,0,0), "phys_iridium_core", fLogicalIridiumCore, fPhysicalAirGap, false, 0, true);
151 139
152 // Visualisations 140 // Visualisations
153 141
154 //Shell/cable attributes 142 //Shell/cable attributes
155 fSteelAttributes = new G4VisAttributes(G4Col 143 fSteelAttributes = new G4VisAttributes(G4Colour(1.0, 0.0, 0.0)); // red
156 fSteelAttributes -> SetVisibility(true); 144 fSteelAttributes -> SetVisibility(true);
157 fSteelAttributes -> SetForceAuxEdgeVisible(t 145 fSteelAttributes -> SetForceAuxEdgeVisible(true);
158 146
159 fEndAttributes = new G4VisAttributes(G4Colou 147 fEndAttributes = new G4VisAttributes(G4Colour(1.0, 0.0, 0.0)); // red
160 fEndAttributes -> SetVisibility(true); 148 fEndAttributes -> SetVisibility(true);
161 fEndAttributes -> SetForceAuxEdgeVisible(tru 149 fEndAttributes -> SetForceAuxEdgeVisible(true);
162 fLogicalSteelShell -> SetVisAttributes(fStee 150 fLogicalSteelShell -> SetVisAttributes(fSteelAttributes);
163 fLogicalEnd1SteelShell -> SetVisAttributes(f 151 fLogicalEnd1SteelShell -> SetVisAttributes(fEndAttributes);
164 fLogicalEnd2SteelShell -> SetVisAttributes(f 152 fLogicalEnd2SteelShell -> SetVisAttributes(fEndAttributes);
165 fLogicalCable -> SetVisAttributes(fSteelAttr 153 fLogicalCable -> SetVisAttributes(fSteelAttributes);
166 154
167 G4Colour magenta (1.0, 0.0, 1.0) ; 155 G4Colour magenta (1.0, 0.0, 1.0) ;
168 156
169 fSimpleIridiumVisAtt = new G4VisAttributes(m 157 fSimpleIridiumVisAtt = new G4VisAttributes(magenta);
170 fSimpleIridiumVisAtt -> SetVisibility(true); 158 fSimpleIridiumVisAtt -> SetVisibility(true);
171 fSimpleIridiumVisAtt -> SetForceWireframe(tr 159 fSimpleIridiumVisAtt -> SetForceWireframe(true);
172 fLogicalIridiumCore -> SetVisAttributes(fSim 160 fLogicalIridiumCore -> SetVisAttributes(fSimpleIridiumVisAtt);
173 } 161 }
174 162
175 void BrachyDetectorConstructionFlexi::CleanFle 163 void BrachyDetectorConstructionFlexi::CleanFlexi()
176 { 164 {
177 delete fSimpleIridiumVisAtt; 165 delete fSimpleIridiumVisAtt;
178 fSimpleIridiumVisAtt = nullptr; 166 fSimpleIridiumVisAtt = nullptr;
179 167
180 delete fEndAttributes; 168 delete fEndAttributes;
181 fEndAttributes = nullptr; 169 fEndAttributes = nullptr;
182 170
183 delete fSteelAttributes; 171 delete fSteelAttributes;
184 fSteelAttributes = nullptr; 172 fSteelAttributes = nullptr;
185 173
186 delete fPhysicalIridiumCore; 174 delete fPhysicalIridiumCore;
187 fPhysicalIridiumCore = nullptr ; 175 fPhysicalIridiumCore = nullptr ;
188 176
189 delete fLogicalIridiumCore; 177 delete fLogicalIridiumCore;
190 fLogicalIridiumCore = nullptr; 178 fLogicalIridiumCore = nullptr;
191 179
192 delete fIridiumCore; 180 delete fIridiumCore;
193 fIridiumCore = nullptr; 181 fIridiumCore = nullptr;
194 182
195 delete fPhysicalCable; 183 delete fPhysicalCable;
196 fPhysicalCable = nullptr; 184 fPhysicalCable = nullptr;
197 185
198 delete fLogicalCable; 186 delete fLogicalCable;
199 fLogicalCable = nullptr; 187 fLogicalCable = nullptr;
200 188
201 delete fCable; 189 delete fCable;
202 fCable = nullptr; 190 fCable = nullptr;
203 191
204 delete fPhysicalEnd2SteelShell; 192 delete fPhysicalEnd2SteelShell;
205 fPhysicalEnd2SteelShell = nullptr; 193 fPhysicalEnd2SteelShell = nullptr;
206 194
207 delete fLogicalEnd2SteelShell; 195 delete fLogicalEnd2SteelShell;
208 fLogicalEnd2SteelShell = nullptr; 196 fLogicalEnd2SteelShell = nullptr;
209 197
210 delete fEnd2SteelShell; 198 delete fEnd2SteelShell;
211 fEnd2SteelShell = nullptr; 199 fEnd2SteelShell = nullptr;
212 200
213 delete fPhysicalEnd1SteelShell; 201 delete fPhysicalEnd1SteelShell;
214 fPhysicalEnd1SteelShell = nullptr; 202 fPhysicalEnd1SteelShell = nullptr;
215 203
216 delete fLogicalEnd1SteelShell; 204 delete fLogicalEnd1SteelShell;
217 fLogicalEnd1SteelShell = nullptr; 205 fLogicalEnd1SteelShell = nullptr;
218 206
219 delete fEnd1SteelShell; 207 delete fEnd1SteelShell;
220 fEnd1SteelShell = nullptr; 208 fEnd1SteelShell = nullptr;
221 209
222 delete fPhysicalAirGap; 210 delete fPhysicalAirGap;
223 fPhysicalAirGap = nullptr; 211 fPhysicalAirGap = nullptr;
224 212
225 delete fLogicalAirGap; 213 delete fLogicalAirGap;
226 fLogicalAirGap = nullptr; 214 fLogicalAirGap = nullptr;
227 215
228 delete fAirGap; 216 delete fAirGap;
229 fAirGap = nullptr; 217 fAirGap = nullptr;
230 218
231 delete fPhysicalSteelShell; 219 delete fPhysicalSteelShell;
232 fPhysicalSteelShell = nullptr; 220 fPhysicalSteelShell = nullptr;
233 221
234 delete fLogicalSteelShell; 222 delete fLogicalSteelShell;
235 fLogicalSteelShell = nullptr; 223 fLogicalSteelShell = nullptr;
236 224
237 delete fSteelShell; 225 delete fSteelShell;
238 fSteelShell = nullptr; 226 fSteelShell = nullptr;
239 227
240 G4RunManager::GetRunManager() -> GeometryHas 228 G4RunManager::GetRunManager() -> GeometryHasBeenModified();
241 } 229 }
242 230