| Geant4 Cross Reference |
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25 //
26 /// \file DetectorConstruction.cc
27 /// \brief Implementation of the DetectorConstruction class
28
29 #include "DetectorConstruction.hh"
30
31 #include "DetectorMessenger.hh"
32
33 #include "G4Box.hh"
34 #include "G4Colour.hh"
35 #include "G4GeometryManager.hh"
36 #include "G4LogicalVolume.hh"
37 #include "G4LogicalVolumeStore.hh"
38 #include "G4Material.hh"
39 #include "G4NistManager.hh"
40 #include "G4PVPlacement.hh"
41 #include "G4PhysicalVolumeStore.hh"
42 #include "G4Region.hh"
43 #include "G4RegionStore.hh"
44 #include "G4RunManager.hh"
45 #include "G4SolidStore.hh"
46 #include "G4SystemOfUnits.hh"
47 #include "G4Tubs.hh"
48 #include "G4VisAttributes.hh"
49
50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
51
52 DetectorConstruction::DetectorConstruction()
53 : G4VUserDetectorConstruction(), fDiameter(6 * nm), fLength(10 * nm)
54 {
55 fDetectorMessenger = new DetectorMessenger(this);
56 }
57
58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59
60 DetectorConstruction::~DetectorConstruction()
61 {
62 delete fDetectorMessenger;
63 }
64
65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66 G4VPhysicalVolume* DetectorConstruction::Construct()
67 {
68 return ConstructVolumes();
69 }
70
71 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
72
73 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
74 {
75 // Cleanup old geometry
76 //
77 G4GeometryManager::GetInstance()->OpenGeometry();
78 G4PhysicalVolumeStore::GetInstance()->Clean();
79 G4LogicalVolumeStore::GetInstance()->Clean();
80 G4SolidStore::GetInstance()->Clean();
81
82 //
83 G4Material* water = G4NistManager::Instance()->FindOrBuildMaterial("G4_WATER");
84
85 // Geometry parameters
86 G4double worldSize = 150 * nanometer;
87
88 G4VSolid* world = new G4Box("world", // its name
89 worldSize / 2, worldSize / 2, worldSize / 2); // its size
90
91 G4LogicalVolume* worldLog = new G4LogicalVolume(world, // its solid
92 water, // its material
93 "world"); // its name
94
95 G4VisAttributes* vis = new G4VisAttributes(G4Colour(G4Colour::Blue()));
96 worldLog->SetVisAttributes(vis);
97
98 G4VPhysicalVolume* worldPhys = new G4PVPlacement(0, // no rotation
99 G4ThreeVector(), // at (0,0,0)
100 worldLog, // its logical volume
101 "world", // its name
102 0, // its mother volume
103 false, // no boolean operation
104 0, // copy number
105 true); // checking overlaps forced to YES
106
107 G4VSolid* target = new G4Tubs("target", 0, fDiameter / 2, fLength / 2, 0, 360 * deg); // its size
108
109 G4LogicalVolume* targetLog = new G4LogicalVolume(target, water, "target");
110
111 new G4PVPlacement(0, // no rotation
112 G4ThreeVector(), // at (0,0,0)
113 targetLog, // its logical volume
114 "target", // its name
115 worldLog, // its mother volume
116 false, // no boolean operation
117 0, // copy number
118 true); // checking overlaps force to YES
119
120 // A region is needed as splitting is performed in regions
121 G4Region* aRegion = G4RegionStore::GetInstance()->FindOrCreateRegion("Target");
122 targetLog->SetRegion(aRegion);
123 aRegion->AddRootLogicalVolume(targetLog);
124
125 G4VisAttributes* visTarget = new G4VisAttributes(G4Colour(G4Colour::Blue()));
126 visTarget->SetForceSolid(true);
127 visTarget->SetVisibility(true);
128 targetLog->SetVisAttributes(visTarget);
129
130 return worldPhys;
131 }
132
133 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
134
135 void DetectorConstruction::SetDiameter(G4double diameter)
136 {
137 fDiameter = diameter;
138 G4RunManager::GetRunManager()->GeometryHasBeenModified();
139 }
140
141 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
142
143 void DetectorConstruction::SetLength(G4double length)
144 {
145 fLength = length;
146 G4RunManager::GetRunManager()->GeometryHasBeenModified();
147 }
148
149 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
150
151 #include "G4RunManager.hh"
152
153 void DetectorConstruction::UpdateGeometry()
154 {
155 G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes());
156 }
157
158 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
159