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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 //
>> 32 // $Id: DetectorConstruction.cc 87359 2014-12-01 16:04:27Z gcosmo $
>> 33 //
35 /// \file DetectorConstruction.cc 34 /// \file DetectorConstruction.cc
36 /// \brief Implementation of the DetectorConst 35 /// \brief Implementation of the DetectorConstruction class
37 << 36
38 #include "DetectorConstruction.hh" 37 #include "DetectorConstruction.hh"
39 << 38 #include "G4SDManager.hh"
40 #include "DetectorMessenger.hh" <<
41 #include "TrackerSD.hh" 39 #include "TrackerSD.hh"
42 40
43 #include "G4Box.hh" << 41 #include "G4Material.hh"
44 #include "G4GeometryManager.hh" <<
45 #include "G4GeometryTolerance.hh" <<
46 #include "G4NistManager.hh" 42 #include "G4NistManager.hh"
>> 43
>> 44 #include "G4Box.hh"
47 #include "G4PVPlacement.hh" 45 #include "G4PVPlacement.hh"
48 #include "G4SDManager.hh" << 46
>> 47 #include "G4GeometryTolerance.hh"
>> 48 #include "G4GeometryManager.hh"
>> 49
49 #include "G4SystemOfUnits.hh" 50 #include "G4SystemOfUnits.hh"
50 #include "G4UnitsTable.hh" <<
51 #include "G4UserLimits.hh" <<
52 51
53 //....oooOO0OOooo........oooOO0OOooo........oo 52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
54 << 53
55 DetectorConstruction::DetectorConstruction() : << 54 DetectorConstruction::DetectorConstruction()
>> 55 :G4VUserDetectorConstruction()
56 { 56 {
57 // Create commands for interactive definitio <<
58 fDetectorMessenger = std::make_unique<Detect <<
59 } 57 }
60 58
61 //....oooOO0OOooo........oooOO0OOooo........oo 59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
62 << 60
63 DetectorConstruction::~DetectorConstruction() << 61 DetectorConstruction::~DetectorConstruction()
>> 62 {
>> 63 }
64 64
65 //....oooOO0OOooo........oooOO0OOooo........oo 65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66 << 66
67 G4VPhysicalVolume* DetectorConstruction::Const 67 G4VPhysicalVolume* DetectorConstruction::Construct()
68 { 68 {
69 // Define materials 69 // Define materials
70 DefineMaterials(); 70 DefineMaterials();
71 71
72 // Define volumes 72 // Define volumes
73 return DefineVolumes(); 73 return DefineVolumes();
74 } 74 }
75 75
76 //....oooOO0OOooo........oooOO0OOooo........oo 76 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
77 77
78 void DetectorConstruction::DefineMaterials() 78 void DetectorConstruction::DefineMaterials()
79 { 79 {
80 // Water is defined from NIST material datab 80 // Water is defined from NIST material database
81 G4NistManager* man = G4NistManager::Instance << 81 G4NistManager * man = G4NistManager::Instance();
82 G4Material* H2O = man->FindOrBuildMaterial(" << 82
>> 83 G4Material * H2O = man->FindOrBuildMaterial("G4_WATER");
>> 84
83 fpWaterMaterial = H2O; 85 fpWaterMaterial = H2O;
84 86
85 // Print materials 87 // Print materials
86 G4cout << *(G4Material::GetMaterialTable()) 88 G4cout << *(G4Material::GetMaterialTable()) << G4endl;
87 } 89 }
88 90
89 //....oooOO0OOooo........oooOO0OOooo........oo 91 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
90 92
91 G4VPhysicalVolume* DetectorConstruction::Defin 93 G4VPhysicalVolume* DetectorConstruction::DefineVolumes()
92 { 94 {
93 G4double worldLength = 10 * m; << 95 G4double worldLength = 200*um;
94 96
95 // World 97 // World
96 98
97 G4GeometryManager::GetInstance()->SetWorldMa 99 G4GeometryManager::GetInstance()->SetWorldMaximumExtent(worldLength);
98 100
99 G4cout << "Computed tolerance = " 101 G4cout << "Computed tolerance = "
100 << G4GeometryTolerance::GetInstance() << 102 << G4GeometryTolerance::GetInstance()->GetSurfaceTolerance()/nm
101 << 103 << " nm" << G4endl;
102 auto* worldS = new G4Box("world", // its na <<
103 worldLength / 2, wo <<
104 <<
105 auto* worldLV = new G4LogicalVolume(worldS, <<
106 fpWaterM <<
107 "World_L <<
108 <<
109 G4VPhysicalVolume* worldPV = new G4PVPlaceme <<
110 <<
111 <<
112 <<
113 <<
114 <<
115 <<
116 <<
117 <<
118 worldLV->SetUserLimits(new G4UserLimits(fpMa <<
119 <<
120 PrintParameters(); <<
121 104
>> 105 G4Box* worldS
>> 106 = new G4Box("world", //its name
>> 107 worldLength/2,worldLength/2,worldLength/2); //its size
>> 108
>> 109 G4LogicalVolume* worldLV
>> 110 = new G4LogicalVolume(
>> 111 worldS, //its solid
>> 112 fpWaterMaterial, //its material
>> 113 "World_LV"); //its name
>> 114
>> 115 G4VPhysicalVolume* worldPV
>> 116 = new G4PVPlacement(
>> 117 0, // no rotation
>> 118 G4ThreeVector(), // at (0,0,0)
>> 119 worldLV, // its logical volume
>> 120 "World", // its name
>> 121 0, // its mother volume
>> 122 false, // no boolean operations
>> 123 0, // copy number
>> 124 false); // checking overlaps
>> 125
122 return worldPV; 126 return worldPV;
123 } 127 }
124 128
125 //....oooOO0OOooo........oooOO0OOooo........oo 129 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
126 << 130
127 void DetectorConstruction::ConstructSDandField 131 void DetectorConstruction::ConstructSDandField()
128 { 132 {
129 // Sensitive detector << 133 // Sensitive detectors
130 134
131 G4String trackerChamberSDname = "TrackerCham 135 G4String trackerChamberSDname = "TrackerChamberSD";
132 << 136
133 auto* aTrackerSD = new TrackerSD(trackerCham << 137 TrackerSD* aTrackerSD = new TrackerSD(trackerChamberSDname,
134 aTrackerSD->SetRadius(fRadius); << 138 "TrackerHitsCollection");
135 << 139 G4SDManager::GetSDMpointer()->AddNewDetector(aTrackerSD);
136 G4SDManager::GetSDMpointer()->AddNewDetector << 140 // Setting aTrackerSD to all logical volumes with the same name
137 << 141 // of "Chamber_LV".
138 SetSensitiveDetector("World_LV", aTrackerSD, 142 SetSensitiveDetector("World_LV", aTrackerSD, true);
139 } <<
140 <<
141 //....oooOO0OOooo........oooOO0OOooo........oo <<
142 <<
143 void DetectorConstruction::SetTrackingCut(cons <<
144 { <<
145 fpTrackingCut = value; <<
146 } <<
147 <<
148 //....oooOO0OOooo........oooOO0OOooo........oo <<
149 143
150 void DetectorConstruction::SetMaxStepSize(cons << 144 }
151 { <<
152 fpMaxStepSize = value; <<
153 } <<
154 <<
155 void DetectorConstruction::SetTrackerSDRadius( <<
156 { <<
157 fRadius = value; <<
158 } <<
159 <<
160 //....oooOO0OOooo........oooOO0OOooo........oo <<
161 <<
162 void DetectorConstruction::PrintParameters() c <<
163 { <<
164 G4cout << "\n------------------------------- <<
165 G4cout << "---> The tracking cut is set to " <<
166 G4cout << "---> The maximum step size is set <<
167 << G4endl; <<
168 G4cout << "---> The TrackerSD radius is set <<
169 G4cout << "\n------------------------------- <<
170 } <<
171 <<
172 //....oooOO0OOooo........oooOO0OOooo........oo <<
173 145