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G3toG4DetectorConstruction.cc
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30 // $Id$
31 //
32 //--------------------------------------------------------------------------
33 // G3toG4DetectorConstruction. Most the work is Done in
34 // G4BuildGeom, which returns a G4LogicalVolume*, a pointer to the
35 // top-level logiical volume in the detector defined by the call List file
36 // inFile
37 //--------------------------------------------------------------------------
38 
39 #include "G4SystemOfUnits.hh"
40 #include "G4ios.hh"
42 #include "G4VisAttributes.hh"
43 #include "G4Colour.hh"
44 #include "G4Material.hh"
45 #include "G4Box.hh"
46 #include "G4SystemOfUnits.hh"
47 
48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
49 
52  fInFile(inFile)
53 {
54  G4cout << "Instantiated G3toG4DetectorConstruction using call list file \""
55  << fInFile << "\"" << G4endl;
56 }
57 
58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59 
61 {
62  // G4cout << "Deleted G3toG4DetectorConstruction..." << G4endl;
63 }
64 
65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66 
68 {
69  G4LogicalVolume* lv = G4BuildGeom(fInFile);
70  //G4LogicalVolume* lv = SimpleConstruct();
71  if ( lv ) {
73  = new G4PVPlacement(0, G4ThreeVector(), lv, lv->GetName(), 0, false, 0);
74  G4cout << "Top-level G3toG4 logical volume " << lv->GetName() << " "
75  << *(lv -> GetVisAttributes()) << G4endl;
76  return pv;
77  }
78 
79  G4cerr << "creation of logical mother failed !!!" << G4endl;
80  return 0;
81 }
82 
83 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
84 
85 G4LogicalVolume* G3toG4DetectorConstruction::SimpleConstruct()
86 {
87  G4String name, symbol; //a=mass of a mole;
88  G4double a, z, density, fractionmass; //z=mean number of protons;
89  G4int ncomponents; //iz=number of protons in an isotope;
90  // n=number of nucleons in an isotope;
91 
92  a = 14.01*g/mole;
93  G4Element* eN = new G4Element(name="Nitrogen",symbol="N" , z= 7., a);
94 
95  a = 16.00*g/mole;
96  G4Element* eO = new G4Element(name="Oxygen" ,symbol="O" , z= 8., a);
97 
98  //
99  // define a material from elements. case 2: mixture by fractional mass
100  //
101 
102  density = 1.290*mg/cm3;
103  G4Material* air = new G4Material(name="Air" , density, ncomponents=2);
104  air->AddElement(eN, fractionmass=0.7);
105  air->AddElement(eO, fractionmass=0.3);
106  G4VSolid* mother = new G4Box("TestMother", //its name
107  100*cm, 100*cm, 100*cm); //its size
108 
109  G4VSolid* daughter = new G4Box("TestDaughter", 50*cm, 20*cm, 10*cm);
110 
111  G4LogicalVolume* logicMother = new G4LogicalVolume(mother, //its solid
112  air, //its material
113  "LTestMother");//its name
114 
115  G4LogicalVolume* logicDaughter = new G4LogicalVolume(daughter, //its solid
116  air, //its material
117  "LTestDaughter");
118 
119  new G4PVPlacement(0,
120  G4ThreeVector(),
121  logicDaughter,
122  "PTestDaughter",
123  logicMother,
124  false,0);
125  //
126  // Visualization attributes
127  //
128 
130  G4VisAttributes* daughterVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0));
131  daughterVisAtt->SetVisibility(true);
132  logicDaughter->SetVisAttributes(daughterVisAtt);
133  return logicMother;
134 }
135 
136 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......