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19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
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25 // 25 //
26 // This example is provided by the Geant4-DNA 26 // This example is provided by the Geant4-DNA collaboration
27 // Any report or published results obtained us << 27 // Any report or published results obtained using the Geant4-DNA software
28 // shall cite the following Geant4-DNA collabo << 28 // shall cite the following Geant4-DNA collaboration publication:
29 // Med. Phys. 45, (2018) e722-e739 <<
30 // Phys. Med. 31 (2015) 861-874 <<
31 // Med. Phys. 37 (2010) 4692-4708 29 // Med. Phys. 37 (2010) 4692-4708
32 // Int. J. Model. Simul. Sci. Comput. 1 (2010) <<
33 // The Geant4-DNA web site is available at htt 30 // The Geant4-DNA web site is available at http://geant4-dna.org
34 // 31 //
35 // << 32 // $ID$
36 /// \file DetectorConstruction.cc 33 /// \file DetectorConstruction.cc
37 /// \brief Implementation of the DetectorConst 34 /// \brief Implementation of the DetectorConstruction class
38 35
39 #include "DetectorConstruction.hh" 36 #include "DetectorConstruction.hh"
40 <<
41 #include "DetectorMessenger.hh" <<
42 #include "PhysicsList.hh" <<
43 <<
44 #include "G4LogicalVolume.hh" <<
45 #include "G4RunManager.hh" <<
46 #include "G4SystemOfUnits.hh" 37 #include "G4SystemOfUnits.hh"
>> 38 #include "G4Region.hh"
>> 39 #include "G4ProductionCuts.hh"
47 40
48 //....oooOO0OOooo........oooOO0OOooo........oo << 41 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
49 42
50 DetectorConstruction::DetectorConstruction(Phy << 43 DetectorConstruction::DetectorConstruction()
51 : G4VUserDetectorConstruction(), << 44 :G4VUserDetectorConstruction(),
52 fpWaterMaterial(nullptr), << 45 fpWaterMaterial(0),fpRegion(0)
53 fLogicWorld(nullptr), << 46 {}
54 fPhysiWorld(nullptr) <<
55 { <<
56 fDetectorMessenger = new DetectorMessenger(t <<
57 } <<
58 47
59 //....oooOO0OOooo........oooOO0OOooo........oo << 48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
60 49
61 DetectorConstruction::~DetectorConstruction() 50 DetectorConstruction::~DetectorConstruction()
>> 51 {}
>> 52
>> 53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 54
>> 55 G4VPhysicalVolume* DetectorConstruction::Construct()
>> 56
62 { 57 {
63 delete fDetectorMessenger; << 58 DefineMaterials();
>> 59 return ConstructDetector();
64 } 60 }
65 61
66 //....oooOO0OOooo........oooOO0OOooo........oo << 62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67 63
68 void DetectorConstruction::DefineMaterials() 64 void DetectorConstruction::DefineMaterials()
69 { << 65 {
70 // Water is defined from NIST material datab <<
71 G4NistManager* man = G4NistManager::Instance <<
72 66
73 G4Material* H2O = man->FindOrBuildMaterial(" << 67 // Water is defined from NIST material database
>> 68 G4NistManager * man = G4NistManager::Instance();
>> 69 G4Material * H2O = man->FindOrBuildMaterial("G4_WATER");
74 70
75 /* << 71 // Default materials in setup.
76 If one wishes to test other density value f <<
77 one should use instead: <<
78 G4Material * H2O = man->BuildMaterialWithNe <<
79 "G4_WATER",1.100*g/cm3); <<
80 <<
81 Note: any string for "G4_WATER_MODIFIED" pa <<
82 and "G4_WATER" parameter should not be chan <<
83 Both materials are created and can be selec <<
84 */ <<
85 fpWaterMaterial = H2O; 72 fpWaterMaterial = H2O;
86 73
87 // G4cout << "-> Density of water material ( <<
88 // << fpWaterMaterial->GetDensity()/(g/cm/c <<
89 <<
90 G4cout << *(G4Material::GetMaterialTable()) <<
91 } 74 }
92 75
93 //....oooOO0OOooo........oooOO0OOooo........oo << 76 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
94 77
95 G4VPhysicalVolume* DetectorConstruction::Const << 78 G4VPhysicalVolume* DetectorConstruction::ConstructDetector()
96 { 79 {
97 if (fPhysiWorld) { << 80 // WORLD VOLUME
98 return fPhysiWorld; << 81 G4double worldSizeX = 1*mm;
99 } << 82 G4double worldSizeY = 1*mm;
100 DefineMaterials(); << 83 G4double worldSizeZ = 1*mm;
101 << 84
102 // World volume << 85 G4VSolid* solidWorld = new G4Box("World", //its name
103 << 86 worldSizeX/2,
104 G4double worldSizeX = 10 * micrometer; << 87 worldSizeY/2,
105 G4double worldSizeY = worldSizeX; << 88 worldSizeZ/2); //its size
106 G4double worldSizeZ = worldSizeX; << 89
107 << 90 G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld, //its solid
108 G4Box* solidWorld = new G4Box("World", // i << 91 fpWaterMaterial, //its material
109 worldSizeX / 2 << 92 "World"); //its name
110 << 93
111 fLogicWorld = new G4LogicalVolume(solidWorld << 94 G4VPhysicalVolume* physiWorld = new G4PVPlacement(0, //no rotation
112 fpWaterMat << 95 G4ThreeVector(), //at (0,0,0)
113 "World"); << 96 "World", //its name
114 << 97 logicWorld, //its logical volume
115 fPhysiWorld = new G4PVPlacement(0, // no ro << 98 0, //its mother volume
116 G4ThreeVecto << 99 false, //no boolean operation
117 "World", // << 100 0); //copy number
118 fLogicWorld, << 101
119 0, // its m << 102 G4double TargetSizeZ = worldSizeZ*0.05;
120 false, // n << 103
121 0); // copy << 104 G4Box* targetSolid = new G4Box("Target", //its name
122 << 105 worldSizeX/2,
123 // Target volume << 106 worldSizeY/2,
124 << 107 TargetSizeZ/2); //its size
125 G4Box* solidTarget = new G4Box("volumeTarget << 108
126 worldSizeX / << 109 G4LogicalVolume* logicTarget =
127 << 110 new G4LogicalVolume(targetSolid, //its solid
128 fLogicTarget = new G4LogicalVolume(solidTarg << 111 fpWaterMaterial, //its material
129 fpWaterMa << 112 "Target"); //its name
130 "volumeTa << 113
131 << 114 new G4PVPlacement(0, //no rotation
132 fPhysiTarget = new G4PVPlacement(0, // no r << 115 G4ThreeVector(), //at (0,0,0)
133 G4ThreeVect << 116 "Target", //its name
134 "volumeTarg << 117 logicTarget, //its logical volume
135 fLogicTarge << 118 physiWorld, //its mother volume
136 fPhysiWorld << 119 false, //no boolean operation
137 false, // << 120 0); //copy number
138 0); // cop << 121
139 << 122 // Visualization attributes
140 // Target region << 123 G4VisAttributes* worldVisAtt =
141 << 124 new G4VisAttributes(G4Colour(1.0,1.0,1.0)); //White
142 G4Region* targetRegion = new G4Region("regio << 125 worldVisAtt->SetVisibility(true);
143 << 126 logicWorld->SetVisAttributes(worldVisAtt);
144 // Cuts needed to allow combination of Physi <<
145 // Default EM settings for fast simulation f <<
146 // 1 um proton cut avoids creation of very s <<
147 G4ProductionCuts* cuts = new G4ProductionCut <<
148 cuts->SetProductionCut(0.7 * mm, "gamma"); <<
149 cuts->SetProductionCut(0.7 * mm, "e-"); <<
150 cuts->SetProductionCut(0.7 * mm, "e+"); <<
151 cuts->SetProductionCut(1 * micrometer, "prot <<
152 targetRegion->SetProductionCuts(cuts); <<
153 127
154 targetRegion->AddRootLogicalVolume(fLogicTar << 128 G4VisAttributes* worldVisAtt1 = new G4VisAttributes(G4Colour(1.0,0.0,0.0));
>> 129 worldVisAtt1->SetVisibility(true);
>> 130 logicTarget->SetVisAttributes(worldVisAtt1);
155 131
156 // Visualization attributes - white << 132 // Create Target G4Region and add logical volume
157 G4VisAttributes* worldVisAtt = new G4VisAttr <<
158 worldVisAtt->SetVisibility(true); <<
159 fLogicWorld->SetVisAttributes(worldVisAtt); <<
160 133
161 G4VisAttributes* targetVisAtt = new G4VisAtt << 134 fpRegion = new G4Region("Target");
162 targetVisAtt->SetVisibility(true); <<
163 fLogicTarget->SetVisAttributes(targetVisAtt) <<
164 135
165 return fPhysiWorld; << 136 G4ProductionCuts* cuts = new G4ProductionCuts();
166 } <<
167 137
168 //....oooOO0OOooo........oooOO0OOooo........oo << 138 G4double defCut = 1*nanometer;
>> 139 cuts->SetProductionCut(defCut,"gamma");
>> 140 cuts->SetProductionCut(defCut,"e-");
>> 141 cuts->SetProductionCut(defCut,"e+");
>> 142 cuts->SetProductionCut(defCut,"proton");
169 143
170 void DetectorConstruction::SetMaterial(const G << 144 fpRegion->SetProductionCuts(cuts);
171 { << 145 fpRegion->AddRootLogicalVolume(logicTarget);
172 // Search the material by its name <<
173 G4Material* pttoMaterial = G4NistManager::In <<
174 146
175 if (pttoMaterial) { << 147 return physiWorld;
176 fpWaterMaterial = pttoMaterial; <<
177 if (fLogicWorld) { <<
178 fLogicWorld->SetMaterial(fpWaterMaterial <<
179 } <<
180 G4RunManager::GetRunManager()->GeometryHas <<
181 } <<
182 } 148 }
183 149