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25 // 25 //
26 // ------------------------------------------- 26 // --------------------------------------------------------------
27 // GEANT 4 - Brachytherapy exa 27 // GEANT 4 - Brachytherapy example
28 // ------------------------------------------- 28 // --------------------------------------------------------------
29 // 29 //
30 // Code developed by: S. Guatelli, D. Cutajar, << 30 // Code developed by:
31 // Past developers: S. Agostinelli, F. Foppian << 31 // S. Agostinelli, F. Foppiano, S. Garelli , M. Tropeano, S.Guatelli
32 // 32 //
33 // 33 //
34 // **************************************** 34 // ****************************************
35 // * * 35 // * *
36 // * BrachyDetectorConstruction.cc * 36 // * BrachyDetectorConstruction.cc *
37 // * * 37 // * *
38 // **************************************** 38 // ****************************************
39 // 39 //
40 #include "BrachyFactoryLeipzig.hh" <<
41 #include "BrachyFactoryTG186.hh" <<
42 #include "BrachyFactoryI.hh" <<
43 #include "BrachyFactoryFlexi.hh" <<
44 #include "BrachyFactoryOncura6711.hh" <<
45 #include "BrachyDetectorMessenger.hh" <<
46 #include "BrachyDetectorConstruction.hh" <<
47 #include "G4SystemOfUnits.hh" <<
48 #include "G4CSGSolid.hh" 40 #include "G4CSGSolid.hh"
49 #include "G4MaterialPropertyVector.hh" 41 #include "G4MaterialPropertyVector.hh"
50 #include "G4SDManager.hh" 42 #include "G4SDManager.hh"
51 #include "G4RunManager.hh" 43 #include "G4RunManager.hh"
52 #include "G4Box.hh" 44 #include "G4Box.hh"
53 #include "G4LogicalVolume.hh" 45 #include "G4LogicalVolume.hh"
54 #include "G4ThreeVector.hh" 46 #include "G4ThreeVector.hh"
55 #include "G4PVPlacement.hh" 47 #include "G4PVPlacement.hh"
56 #include "globals.hh" 48 #include "globals.hh"
57 #include "G4MaterialTable.hh" 49 #include "G4MaterialTable.hh"
58 #include "G4TransportationManager.hh" 50 #include "G4TransportationManager.hh"
59 #include "G4Colour.hh" 51 #include "G4Colour.hh"
60 #include "G4UserLimits.hh" 52 #include "G4UserLimits.hh"
61 #include "G4VisAttributes.hh" 53 #include "G4VisAttributes.hh"
62 #include "G4NistManager.hh" << 54 #include "BrachyMaterial.hh"
>> 55 #include "BrachyFactoryLeipzig.hh"
>> 56 #include "BrachyFactoryIr.hh"
>> 57 #include "BrachyFactoryI.hh"
>> 58 #include "BrachyPhantomROGeometry.hh"
>> 59 #include "BrachyPhantomSD.hh"
>> 60 #include "BrachyDetectorMessenger.hh"
>> 61 #include "BrachyDetectorConstruction.hh"
63 62
64 BrachyDetectorConstruction::BrachyDetectorCons << 63 BrachyDetectorConstruction::BrachyDetectorConstruction(G4String &SDName)
65 fFactory(nullptr), fWorld(nullptr), fWorldLo << 64 : detectorChoice(0), phantomSD(0), phantomROGeometry(0), factory(0),
66 fPhantom(nullptr), fPhantomLog(nullptr), fPh << 65 World(0), WorldLog(0), WorldPhys(0),
67 fDetectorChoice(0) << 66 Phantom(0), PhantomLog(0), PhantomPhys(0),
68 { << 67 phantomAbsorberMaterial(0)
69 // Define the messenger of the Detector compo << 68 {
70 fDetectorMessenger = new BrachyDetectorMessen << 69 // Define half size of the phantom along the x, y, z axis
71 << 70 phantomSizeX = 15.*cm ;
72 // Define half size of the phantom along the << 71 phantomSizeY = 15.*cm;
73 fPhantomSizeX = 15.*cm; << 72 phantomSizeZ = 15.*cm;
74 fPhantomSizeY = 15.*cm; << 73
75 fPhantomSizeZ = 15.*cm; << 74 // Define the number of voxels the phantom is subdivided along the
76 << 75 // three axis
77 // Define the sizes of the World volume conta << 76 // Each voxel is 1 mm wide
78 fWorldSizeX = 4.0*m; << 77 numberOfVoxelsAlongX = 300;
79 fWorldSizeY = 4.0*m; << 78 numberOfVoxelsAlongY = 300;
80 fWorldSizeZ = 4.0*m; << 79 numberOfVoxelsAlongZ = 300;
81 80
82 // Define the Flexi source as default source << 81 ComputeDimVoxel();
83 fFactory = new BrachyFactoryFlexi(); << 82
>> 83 // Define the sizes of the World volume contaning the phantom
>> 84 worldSizeX = 4.0*m;
>> 85 worldSizeY = 4.0*m;
>> 86 worldSizeZ = 4.0*m;
>> 87
>> 88 sensitiveDetectorName = SDName;
>> 89
>> 90 // Define the messenger of the Detector component
>> 91 // It is possible to modify geometrical parameters through UI
>> 92 detectorMessenger = new BrachyDetectorMessenger(this);
>> 93
>> 94 // Define the Iridium source as default source modelled in the geometry
>> 95 factory = new BrachyFactoryIr();
>> 96
>> 97 // BrachyMaterial defined the all the materials necessary
>> 98 // for the experimental set-up
>> 99 pMaterial = new BrachyMaterial();
84 } 100 }
85 101
86 BrachyDetectorConstruction::~BrachyDetectorCon 102 BrachyDetectorConstruction::~BrachyDetectorConstruction()
87 { 103 {
88 delete fDetectorMessenger; << 104 delete pMaterial;
89 delete fFactory; << 105 delete factory;
>> 106 delete detectorMessenger;
>> 107 if (phantomROGeometry) delete phantomROGeometry;
90 } 108 }
91 109
92 G4VPhysicalVolume* BrachyDetectorConstruction: 110 G4VPhysicalVolume* BrachyDetectorConstruction::Construct()
93 { 111 {
94 // Model the phantom (water box) << 112 pMaterial -> DefineMaterials();
95 ConstructPhantom(); << 113
>> 114 // Model the phantom (water box)
>> 115 ConstructPhantom();
96 116
97 // Model the source in the phantom << 117 // Model the source in the phantom
98 fFactory -> CreateSource(fPhantomPhys); << 118 factory -> CreateSource(PhantomPhys); //Build the source inside the phantom
>> 119
>> 120 // Define the sensitive volume: phantom
>> 121 ConstructSensitiveDetector();
99 122
100 return fWorldPhys; << 123 return WorldPhys;
101 } 124 }
102 125
103 void BrachyDetectorConstruction::SwitchBrachyt 126 void BrachyDetectorConstruction::SwitchBrachytherapicSeed()
104 { 127 {
105 // Change the source in the water phantom 128 // Change the source in the water phantom
106 fFactory -> CleanSource(); << 129 factory -> CleanSource();
107 G4cout << "Old brachy source is deleted ..." << 130 delete factory;
108 delete fFactory; <<
109 131
110 switch(fDetectorChoice) << 132 switch(detectorChoice)
111 { 133 {
112 case 1: << 134 case 1:
113 fFactory = new BrachyFactoryI(); << 135 factory = new BrachyFactoryI();
114 break; 136 break;
115 case 2: << 137 case 2:
116 fFactory = new BrachyFactoryLeipzig(); << 138 factory = new BrachyFactoryLeipzig();
117 break; 139 break;
118 case 3: << 140 case 3:
119 fFactory = new BrachyFactoryTG186(); << 141 factory = new BrachyFactoryIr();
>> 142 break;
>> 143 default:
>> 144 factory = new BrachyFactoryIr();
120 break; 145 break;
121 case 4: << 146 }
122 fFactory = new BrachyFactoryFlexi(); <<
123 break; <<
124 case 5: <<
125 fFactory = new BrachyFactoryOncura6711() <<
126 break; <<
127 default: <<
128 fFactory = new BrachyFactoryFlexi(); <<
129 break; <<
130 } <<
131 147
132 fFactory -> CreateSource(fPhantomPhys); << 148 factory -> CreateSource(PhantomPhys);
133 G4cout << "New brachy source is created ..." <<
134 149
135 // Notify run manager that the new geometry 150 // Notify run manager that the new geometry has been built
136 G4RunManager::GetRunManager() -> GeometryHas << 151 G4RunManager::GetRunManager() -> DefineWorldVolume( WorldPhys );
137 } 152 }
138 153
139 void BrachyDetectorConstruction::SelectBrachyt 154 void BrachyDetectorConstruction::SelectBrachytherapicSeed(G4String val)
140 { 155 {
141 if (val == "Iodine") << 156 if(val == "Iodium")
142 fDetectorChoice = 1; << 157 {
143 else << 158 detectorChoice = 1;
144 { <<
145 if(val=="Leipzig") <<
146 fDetectorChoice = 2; <<
147 else <<
148 { <<
149 if(val=="TG186") <<
150 fDetectorChoice = 3; <<
151 else <<
152 { <<
153 if(val=="Flexi") <<
154 fDetectorChoice = 4; <<
155 else <<
156 { <<
157 if(val=="Oncura") <<
158 fDetectorChoice = 5; <<
159 else <<
160 G4cout << va <<
161 } <<
162 } <<
163 } <<
164 } 159 }
165 G4cout << "Now the brachy source is " << val << 160 else
>> 161 {
>> 162 if(val=="Leipzig")
>> 163 {
>> 164 detectorChoice = 2;
>> 165 }
>> 166 else
>> 167 {
>> 168 if(val=="Iridium")
>> 169 {
>> 170 detectorChoice = 3;
>> 171 }
>> 172 }
>> 173 }
>> 174
>> 175 G4cout << "Now the source is " << val << G4endl;
166 } 176 }
167 177
168 void BrachyDetectorConstruction::ConstructPhan 178 void BrachyDetectorConstruction::ConstructPhantom()
169 { 179 {
170 // Model the water phantom 180 // Model the water phantom
171 << 181
172 // Define the light blue color 182 // Define the light blue color
173 G4Colour lblue (0.0, 0.0, .75); 183 G4Colour lblue (0.0, 0.0, .75);
174 << 184
175 //Get nist material manager << 185 G4Material* air = pMaterial -> GetMat("Air") ;
176 G4NistManager* nist = G4NistManager::Instanc << 186 G4Material* water = pMaterial -> GetMat("Water");
177 G4Material* air = nist -> FindOrBuildMateria << 187
178 G4Material* water = nist -> FindOrBuildMater << 188 ComputeDimVoxel();
179 189
180 // World volume 190 // World volume
181 fWorld = new G4Box("World", fWorldSizeX, fWo << 191 World = new G4Box("World",worldSizeX,worldSizeY,worldSizeZ);
182 fWorldLog = new G4LogicalVolume(fWorld,air," << 192 WorldLog = new G4LogicalVolume(World,air,"WorldLog",0,0,0);
183 fWorldPhys = new G4PVPlacement(nullptr,G4Thr << 193 WorldPhys = new G4PVPlacement(0,G4ThreeVector(),
>> 194 "WorldPhys",WorldLog,0,false,0);
184 195
185 // Water Box 196 // Water Box
186 fPhantom = new G4Box("Phantom", fPhantomSize << 197 Phantom = new G4Box("Phantom",phantomSizeX,phantomSizeY,
>> 198 phantomSizeZ);
187 199
188 // Logical volume 200 // Logical volume
189 fPhantomLog = new G4LogicalVolume(fPhantom,w << 201 PhantomLog = new G4LogicalVolume(Phantom,water,"PhantomLog",0,0,0);
190 202
191 // Physical volume 203 // Physical volume
192 fPhantomPhys = new G4PVPlacement(nullptr,G4T << 204 PhantomPhys = new G4PVPlacement(0,G4ThreeVector(), // Position: rotation and translation
193 "PhantomPhys 205 "PhantomPhys", // Name
194 fPhantomLog, << 206 PhantomLog, // Associated logical volume
195 fWorldPhys, << 207 WorldPhys, // Mother volume
196 false,0); << 208 false,0);
197 209
198 fWorldLog -> SetVisAttributes (G4VisAttribut << 210 WorldLog -> SetVisAttributes (G4VisAttributes::Invisible);
199 211
200 // Visualization attributes of the phantom 212 // Visualization attributes of the phantom
201 auto simpleBoxVisAtt = new G4VisAttributes(l << 213 G4VisAttributes* simpleBoxVisAtt = new G4VisAttributes(lblue);
202 simpleBoxVisAtt -> SetVisibility(true); 214 simpleBoxVisAtt -> SetVisibility(true);
203 simpleBoxVisAtt -> SetForceWireframe(true); 215 simpleBoxVisAtt -> SetForceWireframe(true);
204 fPhantomLog -> SetVisAttributes(simpleBoxVis << 216 PhantomLog -> SetVisAttributes(simpleBoxVisAtt);
>> 217 }
>> 218
>> 219 void BrachyDetectorConstruction::ConstructSensitiveDetector()
>> 220 // Sensitive Detector and ReadOut geometry definition
>> 221 {
>> 222 G4SDManager* pSDManager = G4SDManager::GetSDMpointer();
>> 223
>> 224 if(!phantomSD)
>> 225 {
>> 226 phantomSD = new BrachyPhantomSD(sensitiveDetectorName);
>> 227 G4String ROGeometryName = "PhantomROGeometry";
>> 228 phantomROGeometry = new BrachyPhantomROGeometry(ROGeometryName,
>> 229 phantomSizeX,
>> 230 phantomSizeY,
>> 231 phantomSizeZ,
>> 232 numberOfVoxelsAlongX,
>> 233 numberOfVoxelsAlongY,
>> 234 numberOfVoxelsAlongZ);
>> 235 phantomROGeometry -> BuildROGeometry();
>> 236 phantomSD -> SetROgeometry(phantomROGeometry);
>> 237 pSDManager -> AddNewDetector(phantomSD);
>> 238
>> 239 PhantomLog -> SetSensitiveDetector(phantomSD);
>> 240 }
205 } 241 }
206 242
207 void BrachyDetectorConstruction::PrintDetector 243 void BrachyDetectorConstruction::PrintDetectorParameters()
208 { 244 {
209 G4cout << "----------------" << G4endl << 245 G4cout << "-----------------------------------------------------------------------"
>> 246 << G4endl
210 << "the phantom is a water box whose 247 << "the phantom is a water box whose size is: " << G4endl
211 << fPhantomSizeX *2./cm << 248 << phantomSizeX *2./cm
212 << " cm * " 249 << " cm * "
213 << fPhantomSizeY *2./cm << 250 << phantomSizeY *2./cm
214 << " cm * " 251 << " cm * "
215 << fPhantomSizeZ *2./cm << 252 << phantomSizeZ *2./cm
216 << " cm" << G4endl 253 << " cm" << G4endl
>> 254 << "number of Voxel: "
>> 255 << numberOfVoxelsAlongX <<G4endl
>> 256 << "Voxel size: "
>> 257 << dimVoxel * 2/mm
>> 258 << "mm" << G4endl
217 << "The phantom is made of " 259 << "The phantom is made of "
218 << fPhantomLog -> GetMaterial() -> Ge << 260 << phantomAbsorberMaterial -> GetName() <<G4endl
219 << "the source is at the center of th 261 << "the source is at the center of the phantom" << G4endl
220 << "----------------" << 262 << "-------------------------------------------------------------------------"
221 << G4endl; 263 << G4endl;
222 } 264 }
223 265
224 void BrachyDetectorConstruction::SetPhantomMat 266 void BrachyDetectorConstruction::SetPhantomMaterial(G4String materialChoice)
225 { 267 {
226 // Method to change the material of the phan << 268 // It is possible to change the material of the phantom
227 << 269 // interactively
228 G4NistManager* nist = G4NistManager::Instanc <<
229 <<
230 // Search the material by its name <<
231 G4Material* pttoMaterial = nist -> FindOrBu <<
232 270
>> 271 // Search the material by its name
>> 272 G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice);
233 if (pttoMaterial) 273 if (pttoMaterial)
234 { 274 {
235 fPhantomLog -> SetMaterial(pttoMaterial); << 275 phantomAbsorberMaterial = pttoMaterial;
>> 276 PhantomLog -> SetMaterial(pttoMaterial);
236 PrintDetectorParameters(); 277 PrintDetectorParameters();
237 } else G4cout << "WARNING: material '" << m << 278 }
>> 279 else
>> 280 G4cout << "WARNING: material '" << materialChoice
>> 281 << "' not available!" << G4endl;
238 } 282 }
239 283