| Geant4 Cross Reference |
1 //
2 // ********************************************************************
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4 // * *
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15 // * use. Please see the license in the file LICENSE and URL above *
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18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
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23 // * acceptance of all terms of the Geant4 Software license. *
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 // If one wishes to test other density value for water material,
75 // one should use instead:
76 // G4Material * H2O = man->BuildMaterialWithNewDensity(
77 // "G4_WATER_MODIFIED",
78 // "G4_WATER",1000*g/cm/cm/cm);
79 // Note: any string for "G4_WATER_MODIFIED" parameter is accepted
80 // and "G4_WATER" parameter should not be changed
81 // Both materials are created and can be selected from dna.mac
82
83 return material;
84 }
85
86 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
87
88 G4VPhysicalVolume* DetectorConstruction::ConstructDetector()
89 {
90 G4Material* water = OtherMaterial("G4_WATER");
91
92 // WORLD VOLUME
93
94 double worldSizeX = 2. * micrometer;
95 double worldSizeY = worldSizeX;
96 double worldSizeZ = worldSizeX;
97
98 G4Box* solidWorld = new G4Box("World", // its name
99 worldSizeX / 2, worldSizeY / 2, worldSizeZ / 2); // its size
100
101 G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld, // its solid
102 water, // its material
103 "World"); // its name
104
105 G4VPhysicalVolume* physiWorld = new G4PVPlacement(0, // no rotation
106 G4ThreeVector(), // at (0,0,0)
107 "World", // its name
108 logicWorld, // its logical volume
109 0, // its mother volume
110 false, // no boolean operation
111 0); // copy number
112
113 // Visualization attributes
114 G4VisAttributes* worldVisAtt = new G4VisAttributes(G4Colour(0.0, 0.4, 0.8, 0.5));
115 worldVisAtt->SetVisibility(true);
116 logicWorld->SetVisAttributes(worldVisAtt);
117
118 return physiWorld;
119 }
120