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ExG4DetectorConstruction01.cc
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26 // $Id$
27 //
28 /// \file ExG4DetectorConstruction01.cc
29 /// \brief Implementation of the ExG4DetectorConstruction01 class
30 
33 
34 #include "G4Material.hh"
35 #include "G4NistManager.hh"
36 #include "G4Box.hh"
37 #include "G4LogicalVolume.hh"
38 #include "G4PVPlacement.hh"
39 
40 
41 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
42 
44  const G4String& materialName,
45  G4double hx, G4double hy, G4double hz)
47  fMessenger(this),
48  fMaterialName(materialName),
49  fDimensions(hx, hy, hz),
50  fWorldVolume(0)
51 {
52 }
53 
54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
55 
57 {
58 }
59 
60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61 
63 {
64  // Define materials via NIST manager
65  //
66  G4NistManager* nistManager = G4NistManager::Instance();
67 
69  = nistManager->FindOrBuildMaterial(fMaterialName);
70 
71  // World
72  //
73  G4Box* sWorld
74  = new G4Box("World", //name
75  fDimensions.x(), //dimensions (half-lentghs)
76  fDimensions.y(),
77  fDimensions.z());
78 
79  fWorldVolume
80  = new G4LogicalVolume(sWorld, //shape
81  material, //material
82  "World"); //name
83 
84  G4VPhysicalVolume* pWorld
85  = new G4PVPlacement(0, //no rotation
86  G4ThreeVector(), //at (0,0,0)
87  fWorldVolume, //logical volume
88  "World", //name
89  0, //mother volume
90  false, //no boolean operation
91  0); //copy number
92 
93  //always return the root volume
94  //
95  return pWorld;
96 }
97 
98 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
99 
101 {
102  G4NistManager* nistManager = G4NistManager::Instance();
103 
104  G4Material* newMaterial
105  = nistManager->FindOrBuildMaterial(materialName);
106 
107  if ( ! newMaterial ) {
108  G4cerr << "Material " << materialName << " not found." << G4endl;
109  G4cerr << "The box material was not changed." << G4endl;
110  return;
111  }
112 
113  if ( fWorldVolume ) fWorldVolume->SetMaterial(newMaterial);
114  G4cout << "Material of box changed to " << materialName << G4endl;
115 }
116 
117 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
118 
120  G4double hx, G4double hy, G4double hz)
121 {
122 /// Set world dimension (in half lengths).
123 /// This setting has effect only if called in PreInit> phase
124 
125  fDimensions = G4ThreeVector(hx, hy, hz);
126 }
127 
128 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4Material * FindOrBuildMaterial(const G4String &name, G4bool isotopes=true, G4bool warning=false)
CLHEP::Hep3Vector G4ThreeVector
double x() const
Definition: G4Box.hh:63
void SetDimensions(G4double hx, G4double hy, G4double hz)
ExG4DetectorConstruction01(const G4String &materialName="G4_AIR", G4double hx=50 *CLHEP::cm, G4double hy=50 *CLHEP::cm, G4double hz=50 *CLHEP::cm)
virtual G4VPhysicalVolume * Construct()
static G4NistManager * Instance()
double z() const
string material
Definition: eplot.py:19
G4GLOB_DLL std::ostream G4cout
Definition of the ExG4DetectorConstruction01Messenger class.
void SetMaterial(const G4String &materialName)
double y() const
#define G4endl
Definition: G4ios.hh:61
Definition of the ExG4DetectorConstruction01 class.
double G4double
Definition: G4Types.hh:76
void SetMaterial(G4Material *pMaterial)
G4GLOB_DLL std::ostream G4cerr