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25 //
26 //
27 /// \file common/src/DetectorConstruction0.cc
28 /// \brief Implementation of the Common::DetectorConstruction0 class
29
30 #include "DetectorConstruction0.hh"
31
32 #include "G4Box.hh"
33 #include "G4GenericMessenger.hh"
34 #include "G4LogicalVolume.hh"
35 #include "G4Material.hh"
36 #include "G4NistManager.hh"
37 #include "G4PVPlacement.hh"
38
39 namespace Common
40 {
41
42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43
44 DetectorConstruction0::DetectorConstruction0(const G4String& materialName, G4double hx, G4double hy,
45 G4double hz)
46 : fMaterialName(materialName), fDimensions(hx, hy, hz)
47 {
48 DefineCommands();
49 }
50
51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
52
53 DetectorConstruction0::~DetectorConstruction0()
54 {
55 delete fMessenger;
56 }
57
58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59
60 G4VPhysicalVolume* DetectorConstruction0::Construct()
61 {
62 // Define materials via NIST manager
63 //
64 auto nistManager = G4NistManager::Instance();
65
66 auto material = nistManager->FindOrBuildMaterial(fMaterialName);
67
68 // World
69 //
70 auto sWorld = new G4Box("World", // name
71 fDimensions.x(), // dimensions (half-lentghs)
72 fDimensions.y(), fDimensions.z());
73
74 fWorldVolume = new G4LogicalVolume(sWorld, // shape
75 material, // material
76 "World"); // name
77
78 auto pWorld = new G4PVPlacement(0, // no rotation
79 G4ThreeVector(), // at (0,0,0)
80 fWorldVolume, // logical volume
81 "World", // name
82 0, // mother volume
83 false, // no boolean operation
84 0); // copy number
85
86 // always return the root volume
87 //
88 return pWorld;
89 }
90
91 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
92
93 void DetectorConstruction0::SetMaterial(const G4String& materialName)
94 {
95 auto nistManager = G4NistManager::Instance();
96
97 auto newMaterial = nistManager->FindOrBuildMaterial(materialName);
98 if (!newMaterial) {
99 G4cerr << "Material " << materialName << " not found." << G4endl;
100 G4cerr << "The box material was not changed." << G4endl;
101 return;
102 }
103
104 if (fWorldVolume) fWorldVolume->SetMaterial(newMaterial);
105 G4cout << "Material of box changed to " << materialName << G4endl;
106 }
107
108 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
109
110 void DetectorConstruction0::SetDimensions(G4ThreeVector dimensions)
111 {
112 /// Set world dimension (in half lengths).
113 /// This setting has effect only if called in PreInit> phase
114
115 fDimensions = dimensions;
116 }
117
118 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
119
120 void DetectorConstruction0::DefineCommands()
121 {
122 // Define /B5/detector command directory using generic messenger class
123 fMessenger = new G4GenericMessenger(this, "/detector/", "Detector control");
124
125 // setMaterial command
126 auto& setMaterialCmd = fMessenger->DeclareMethod(
127 "setMaterial", &DetectorConstruction0::SetMaterial, "Set world material name.");
128 setMaterialCmd.SetParameterName("materialName", false);
129 setMaterialCmd.SetDefaultValue("G4_AIR");
130 setMaterialCmd.SetStates(G4State_PreInit);
131
132 // setDimensions command
133 auto& setDimensionsCmd =
134 fMessenger->DeclareMethodWithUnit("setDimensions", "mm", &DetectorConstruction0::SetDimensions,
135 "Set world dimensions (in half lentgh).");
136 setDimensionsCmd.SetParameterName("dimensions", false);
137 setDimensionsCmd.SetStates(G4State_PreInit);
138 }
139
140 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
141
142 } // namespace Common
143