GB04/src/GB04DetectorConstruction.cc

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0026 //
0027 /// \file GB04DetectorConstruction.cc
0028 /// \brief Implementation of the GB04DetectorConstruction class
0029
0030 #include "GB04DetectorConstruction.hh"
0031
0032 #include "GB04BOptrBremSplitting.hh"
0033
0034 #include "G4Box.hh"
0035 #include "G4Colour.hh"
0036 #include "G4LogicalVolume.hh"
0037 #include "G4LogicalVolumeStore.hh"
0038 #include "G4Material.hh"
0039 #include "G4NistManager.hh"
0040 #include "G4PVPlacement.hh"
0041 #include "G4SystemOfUnits.hh"
0042 #include "G4UniformMagField.hh"
0043 #include "G4VisAttributes.hh"
0044
0045 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0046
0047 GB04DetectorConstruction::GB04DetectorConstruction(G4bool bf) : fBiasingFlag(bf) {}
0048
0049 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0050
0051 GB04DetectorConstruction::~GB04DetectorConstruction() = default;
0052
0053 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0054
0055 G4VPhysicalVolume* GB04DetectorConstruction::Construct()
0056 {
0057   G4Material* worldMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Galactic");
0058   G4Material* defaultMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Al");
0059
0060   G4VSolid* solidWorld = new G4Box("World", 10 * m, 10 * m, 10 * m);
0061
0062   auto logicWorld = new G4LogicalVolume(solidWorld,  // its solid
0063                                         worldMaterial,  // its material
0064                                         "World");  // its name
0065
0066   auto physiWorld = new G4PVPlacement(nullptr,  // no rotation
0067                                       G4ThreeVector(),  // at (0,0,0)
0068                                       logicWorld,  // its logical volume
0069                                       "World",  // its name
0070                                       nullptr,  // its mother  volume
0071                                       false,  // no boolean operation
0072                                       0);  // copy number
0073
0074   // -----------------------------------
0075   // -- volume where biasing is applied:
0076   // -----------------------------------
0077   G4double halfZ = 5 * mm;
0078   G4VSolid* solidTest = new G4Box("test.solid", 1 * m, 1 * m, halfZ);
0079
0080   auto logicTest = new G4LogicalVolume(solidTest,  // its solid
0081                                        defaultMaterial,  // its material
0082                                        "test.logical");  // its name
0083
0084   new G4PVPlacement(nullptr,  // no rotation
0085                     G4ThreeVector(0, 0, halfZ),  // volume entrance at (0,0,0)
0086                     logicTest,  // its logical volume
0087                     "test.phys",  // its name
0088                     logicWorld,  // its mother  volume
0089                     false,  // no boolean operation
0090                     0);  // copy number
0091
0092   return physiWorld;
0093 }
0094
0095 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0096
0097 void GB04DetectorConstruction::ConstructSDandField()
0098 {
0099   if (fBiasingFlag) {
0100     // -- Fetch volume for biasing:
0101     G4LogicalVolume* logicTest = G4LogicalVolumeStore::GetInstance()->GetVolume("test.logical");
0102
0103     // ----------------------------------------------
0104     // -- operator creation and attachment to volume:
0105     // ----------------------------------------------
0106     auto bremSplittingOperator = new GB04BOptrBremSplitting();
0107     bremSplittingOperator->AttachTo(logicTest);
0108     G4cout << " Attaching biasing operator " << bremSplittingOperator->GetName()
0109            << " to logical volume " << logicTest->GetName() << G4endl;
0110   }
0111 }
0112
0113 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......