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25 //
26 /// \file g3tog4/clGeometry/src/G3toG4DetectorConstruction.cc
27 /// \brief Implementation of the G3toG4DetectorConstruction class
28 //
29 //
30 //
31 //--------------------------------------------------------------------------
32 // G3toG4DetectorConstruction. Most the work is Done in
33 // G4BuildGeom, which returns a G4LogicalVolume*, a pointer to the
34 // top-level logiical volume in the detector defined by the call List file
35 // inFile
36 //--------------------------------------------------------------------------
37
38 #include "G3toG4DetectorConstruction.hh"
39
40 #include "G4Box.hh"
41 #include "G4Colour.hh"
42 #include "G4Material.hh"
43 #include "G4SystemOfUnits.hh"
44 #include "G4VisAttributes.hh"
45 #include "G4ios.hh"
46
47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
48
49 G3toG4DetectorConstruction::G3toG4DetectorConstruction(G4String inFile)
50 : G4VUserDetectorConstruction(), fInFile(inFile)
51 {
52 G4cout << "Instantiated G3toG4DetectorConstruction using call list file \"" << fInFile << "\""
53 << G4endl;
54 }
55
56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57
58 G3toG4DetectorConstruction::~G3toG4DetectorConstruction()
59 {
60 // G4cout << "Deleted G3toG4DetectorConstruction..." << G4endl;
61 }
62
63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
64
65 G4VPhysicalVolume* G3toG4DetectorConstruction::Construct()
66 {
67 G4LogicalVolume* lv = G4BuildGeom(fInFile);
68 // G4LogicalVolume* lv = SimpleConstruct();
69 if (lv) {
70 G4VPhysicalVolume* pv = new G4PVPlacement(0, G4ThreeVector(), lv, lv->GetName(), 0, false, 0);
71 G4cout << "Top-level G3toG4 logical volume " << lv->GetName() << " "
72 << *(lv->GetVisAttributes()) << G4endl;
73 return pv;
74 }
75
76 G4cerr << "creation of logical mother failed !!!" << G4endl;
77 return 0;
78 }
79
80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
81
82 G4LogicalVolume* G3toG4DetectorConstruction::SimpleConstruct()
83 {
84 G4String name, symbol; // a=mass of a mole;
85 G4double a, z, density, fractionmass; // z=mean number of protons;
86 G4int ncomponents; // iz=number of protons in an isotope;
87 // n=number of nucleons in an isotope;
88
89 a = 14.01 * g / mole;
90 G4Element* eN = new G4Element(name = "Nitrogen", symbol = "N", z = 7., a);
91
92 a = 16.00 * g / mole;
93 G4Element* eO = new G4Element(name = "Oxygen", symbol = "O", z = 8., a);
94
95 //
96 // define a material from elements. case 2: mixture by fractional mass
97 //
98
99 density = 1.290 * mg / cm3;
100 G4Material* air = new G4Material(name = "Air", density, ncomponents = 2);
101 air->AddElement(eN, fractionmass = 0.7);
102 air->AddElement(eO, fractionmass = 0.3);
103 G4VSolid* mother = new G4Box("TestMother", // its name
104 100 * cm, 100 * cm, 100 * cm); // its size
105
106 G4VSolid* daughter = new G4Box("TestDaughter", 50 * cm, 20 * cm, 10 * cm);
107
108 G4LogicalVolume* logicMother = new G4LogicalVolume(mother, // its solid
109 air, // its material
110 "LTestMother"); // its name
111
112 G4LogicalVolume* logicDaughter = new G4LogicalVolume(daughter, // its solid
113 air, // its material
114 "LTestDaughter");
115
116 new G4PVPlacement(0, G4ThreeVector(), logicDaughter, "PTestDaughter", logicMother, false, 0);
117 //
118 // Visualization attributes
119 //
120
121 logicMother->SetVisAttributes(G4VisAttributes::GetInvisible());
122 G4VisAttributes* daughterVisAtt = new G4VisAttributes(G4Colour(1.0, 1.0, 1.0));
123 daughterVisAtt->SetVisibility(true);
124 logicDaughter->SetVisAttributes(daughterVisAtt);
125 return logicMother;
126 }
127
128 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
129