| Geant4 Cross Reference |
1 //
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18 // * This code implementation is the result of the scientific and *
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24 // ********************************************************************
25 //
26 // This example is provided by the Geant4-DNA collaboration
27 // Any report or published results obtained using the Geant4-DNA software
28 // shall cite the following Geant4-DNA collaboration publication:
29 // Med. Phys. 37 (2010) 4692-4708
30 // J. Comput. Phys. 274 (2014) 841-882
31 // The Geant4-DNA web site is available at http://geant4-dna.org
32 //
33 //
34 /// \file DetectorConstruction.cc
35 /// \brief Implementation of the DetectorConstruction class
36
37 #include "DetectorConstruction.hh"
38
39 #include "G4Box.hh"
40 #include "G4LogicalVolume.hh"
41 #include "G4Material.hh"
42 #include "G4NistManager.hh"
43 #include "G4PVPlacement.hh"
44 #include "G4ProductionCuts.hh"
45 #include "G4SystemOfUnits.hh"
46 #include "G4UserLimits.hh"
47 #include "G4VPhysicalVolume.hh"
48 #include "G4VisAttributes.hh"
49
50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
51
52 DetectorConstruction::DetectorConstruction() : G4VUserDetectorConstruction() {}
53
54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
55
56 DetectorConstruction::~DetectorConstruction() {}
57
58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59
60 G4VPhysicalVolume* DetectorConstruction::Construct()
61 {
62 return ConstructDetector();
63 }
64
65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66
67 G4Material* DetectorConstruction::OtherMaterial(G4String materialName)
68 {
69 G4Material* material(0);
70
71 // Water is defined from NIST material database
72 G4NistManager* man = G4NistManager::Instance();
73 material = man->FindOrBuildMaterial(materialName);
74 /*
75 If one wishes to test other density value for water material,
76 one should use instead:
77 G4Material * H2O = man->BuildMaterialWithNewDensity(
78 "G4_WATER_MODIFIED",
79 "G4_WATER",1000*g/cm/cm/cm);
80 Note: any string for "G4_WATER_MODIFIED" parameter is accepted
81 and "G4_WATER" parameter should not be changed
82 Both materials are created and can be selected from dna.mac
83 */
84
85 return material;
86 }
87
88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
89
90 G4VPhysicalVolume* DetectorConstruction::ConstructDetector()
91 {
92 G4Material* water = OtherMaterial("G4_WATER");
93
94 // WORLD VOLUME
95 double worldSizeX = 10. * micrometer;
96 double worldSizeY = worldSizeX;
97 double worldSizeZ = worldSizeX;
98
99 G4Box* solidWorld = new G4Box("World", // its name
100 worldSizeX / 2, worldSizeY / 2, worldSizeZ / 2); // its size
101
102 G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld, // its solid
103 water, // its material
104 "World"); // its name
105
106 G4VPhysicalVolume* physiWorld = new G4PVPlacement(0, // no rotation
107 G4ThreeVector(), // at (0,0,0)
108 "World", // its name
109 logicWorld, // its logical volume
110 0, // its mother volume
111 false, // no boolean operation
112 0); // copy number
113
114 // Visualization attributes
115 G4VisAttributes* worldVisAtt = new G4VisAttributes(G4Colour(0.0, 0.4, 0.8, 0.5));
116 worldVisAtt->SetVisibility(true);
117 logicWorld->SetVisAttributes(worldVisAtt);
118
119 return physiWorld;
120 }
121