TestEm14/src/DetectorConstruction.cc

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0025 //
0026 /// \file DetectorConstruction.cc
0027 /// \brief Implementation of the DetectorConstruction class
0028
0029 #include "DetectorConstruction.hh"
0030
0031 #include "DetectorMessenger.hh"
0032
0033 #include "G4Box.hh"
0034 #include "G4GeometryManager.hh"
0035 #include "G4LogicalVolume.hh"
0036 #include "G4LogicalVolumeStore.hh"
0037 #include "G4Material.hh"
0038 #include "G4NistManager.hh"
0039 #include "G4PVPlacement.hh"
0040 #include "G4PhysicalVolumeStore.hh"
0041 #include "G4SolidStore.hh"
0042 #include "G4SystemOfUnits.hh"
0043 #include "G4UnitsTable.hh"
0044
0045 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0046
0047 DetectorConstruction::DetectorConstruction()
0048 {
0049   fBoxSize = 100 * m;
0050   DefineMaterials();
0051   SetMaterial("Water");
0052   fDetectorMessenger = new DetectorMessenger(this);
0053 }
0054
0055 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0056
0057 DetectorConstruction::~DetectorConstruction()
0058 {
0059   delete fDetectorMessenger;
0060 }
0061
0062 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0063
0064 G4VPhysicalVolume* DetectorConstruction::Construct()
0065 {
0066   return ConstructVolumes();
0067 }
0068
0069 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0070
0071 void DetectorConstruction::DefineMaterials()
0072 {
0073   //
0074   // define Elements
0075   //
0076   G4double z, a;
0077
0078   G4Element* H = new G4Element("Hydrogen", "H", z = 1., a = 1.01 * g / mole);
0079   G4Element* N = new G4Element("Nitrogen", "N", z = 7., a = 14.01 * g / mole);
0080   G4Element* O = new G4Element("Oxygen", "O", z = 8., a = 16.00 * g / mole);
0081   G4Element* Na = new G4Element("Sodium", "Na", z = 11., a = 22.99 * g / mole);
0082   G4Element* Ge = new G4Element("Germanium", "Ge", z = 32., a = 72.59 * g / mole);
0083   G4Element* I = new G4Element("Iodine", "I", z = 53., a = 126.90 * g / mole);
0084   G4Element* Bi = new G4Element("Bismuth", "Bi", z = 83., a = 208.98 * g / mole);
0085
0086   //
0087   // define materials
0088   //
0089   G4double density;
0090   G4int ncomponents, natoms;
0091   G4double fractionmass;
0092
0093   G4Material* Air = new G4Material("Air", density = 1.290 * mg / cm3, ncomponents = 2);
0094   Air->AddElement(N, fractionmass = 70. * perCent);
0095   Air->AddElement(O, fractionmass = 30. * perCent);
0096
0097   G4Material* H2l = new G4Material("H2liquid", density = 70.8 * mg / cm3, ncomponents = 1);
0098   H2l->AddElement(H, fractionmass = 1.);
0099
0100   G4Material* H2O = new G4Material("Water", density = 1.000 * g / cm3, ncomponents = 2);
0101   H2O->AddElement(H, natoms = 2);
0102   H2O->AddElement(O, natoms = 1);
0103   H2O->SetChemicalFormula("H_2O");
0104   H2O->GetIonisation()->SetMeanExcitationEnergy(78.0 * eV);
0105
0106   new G4Material("liquidArgon", z = 18., a = 39.95 * g / mole, density = 1.390 * g / cm3);
0107
0108   new G4Material("Carbon", z = 6., a = 12.01 * g / mole, density = 2.267 * g / cm3);
0109
0110   new G4Material("Aluminium", z = 13., a = 26.98 * g / mole, density = 2.700 * g / cm3);
0111
0112   new G4Material("Silicon", z = 14., a = 28.09 * g / mole, density = 2.330 * g / cm3);
0113
0114   new G4Material("Chromium", z = 24., a = 51.99 * g / mole, density = 7.140 * g / cm3);
0115
0116   new G4Material("Copper", z = 29., a = 63.55 * g / mole, density = 8.920 * g / cm3);
0117
0118   new G4Material("Germanium", z = 32., a = 72.61 * g / mole, density = 5.323 * g / cm3);
0119
0120   new G4Material("Nb", z = 41., a = 92.906 * g / mole, density = 8.57 * g / cm3);
0121
0122   G4Material* NaI = new G4Material("NaI", density = 3.67 * g / cm3, ncomponents = 2);
0123   NaI->AddElement(Na, natoms = 1);
0124   NaI->AddElement(I, natoms = 1);
0125   NaI->GetIonisation()->SetMeanExcitationEnergy(452 * eV);
0126
0127   G4Material* Iod = new G4Material("Iodine", density = 4.93 * g / cm3, ncomponents = 1);
0128   Iod->AddElement(I, natoms = 1);
0129
0130   G4Material* BGO = new G4Material("BGO", density = 7.10 * g / cm3, ncomponents = 3);
0131   BGO->AddElement(O, natoms = 12);
0132   BGO->AddElement(Ge, natoms = 3);
0133   BGO->AddElement(Bi, natoms = 4);
0134
0135   new G4Material("Iron", z = 26., a = 55.85 * g / mole, density = 7.870 * g / cm3);
0136
0137   new G4Material("Tungsten", z = 74., a = 183.85 * g / mole, density = 19.25 * g / cm3);
0138
0139   new G4Material("Gold", z = 79., a = 196.97 * g / mole, density = 19.30 * g / cm3);
0140
0141   new G4Material("Lead", z = 82., a = 207.19 * g / mole, density = 11.35 * g / cm3);
0142
0143   new G4Material("Uranium", z = 92., a = 238.03 * g / mole, density = 18.95 * g / cm3);
0144
0145   /// G4cout << *(G4Material::GetMaterialTable()) << G4endl;
0146 }
0147
0148 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0149
0150 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
0151 {
0152   // Cleanup old geometry
0153   G4GeometryManager::GetInstance()->OpenGeometry();
0154   G4PhysicalVolumeStore::GetInstance()->Clean();
0155   G4LogicalVolumeStore::GetInstance()->Clean();
0156   G4SolidStore::GetInstance()->Clean();
0157
0158   G4Box* sBox = new G4Box("Container",  // its name
0159                           fBoxSize / 2, fBoxSize / 2, fBoxSize / 2);  // its dimensions
0160
0161   fLBox = new G4LogicalVolume(sBox,  // its shape
0162                               fMaterial,  // its material
0163                               fMaterial->GetName());  // its name
0164
0165   fPBox = new G4PVPlacement(0,  // no rotation
0166                             G4ThreeVector(),  // at (0,0,0)
0167                             fLBox,  // its logical volume
0168                             fMaterial->GetName(),  // its name
0169                             0,  // its mother  volume
0170                             false,  // no boolean operation
0171                             0);  // copy number
0172
0173   PrintParameters();
0174
0175   // always return the root volume
0176   //
0177   return fPBox;
0178 }
0179
0180 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0181
0182 void DetectorConstruction::PrintParameters()
0183 {
0184   G4cout << "\n The Box is " << G4BestUnit(fBoxSize, "Length") << " of " << fMaterial->GetName()
0185          << G4endl;
0186   G4cout << "\n" << fMaterial << G4endl;
0187 }
0188
0189 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0190
0191 #include "G4RunManager.hh"
0192
0193 void DetectorConstruction::SetMaterial(G4String materialChoice)
0194 {
0195   // search the material by its name, or build it from nist data base
0196   G4Material* pttoMaterial = G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
0197
0198   if (pttoMaterial) {
0199     fMaterial = pttoMaterial;
0200     G4RunManager::GetRunManager()->PhysicsHasBeenModified();
0201   }
0202   else {
0203     G4cout << "\n--> warning from DetectorConstruction::SetMaterial : " << materialChoice
0204            << " not found" << G4endl;
0205   }
0206 }
0207
0208 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0209
0210 void DetectorConstruction::SetSize(G4double value)
0211 {
0212   fBoxSize = value;
0213   G4RunManager::GetRunManager()->ReinitializeGeometry();
0214 }
0215
0216 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......