TestEm14/src/DetectorConstruction.cc

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0026 /// \file DetectorConstruction.cc
0027 /// \brief Implementation of the DetectorConstruction class
0028 //
0029 //
0030 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0031 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0032
0033 #include "DetectorConstruction.hh"
0034
0035 #include "DetectorMessenger.hh"
0036
0037 #include "G4Box.hh"
0038 #include "G4GeometryManager.hh"
0039 #include "G4LogicalVolume.hh"
0040 #include "G4LogicalVolumeStore.hh"
0041 #include "G4Material.hh"
0042 #include "G4NistManager.hh"
0043 #include "G4PVPlacement.hh"
0044 #include "G4PhysicalVolumeStore.hh"
0045 #include "G4SolidStore.hh"
0046 #include "G4SystemOfUnits.hh"
0047 #include "G4UnitsTable.hh"
0048
0049 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0050
0051 DetectorConstruction::DetectorConstruction()
0052 {
0053   fBoxSize = 100 * m;
0054   DefineMaterials();
0055   SetMaterial("Water");
0056   fDetectorMessenger = new DetectorMessenger(this);
0057 }
0058
0059 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0060
0061 DetectorConstruction::~DetectorConstruction()
0062 {
0063   delete fDetectorMessenger;
0064 }
0065
0066 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0067
0068 G4VPhysicalVolume* DetectorConstruction::Construct()
0069 {
0070   return ConstructVolumes();
0071 }
0072
0073 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0074
0075 void DetectorConstruction::DefineMaterials()
0076 {
0077   //
0078   // define Elements
0079   //
0080   G4double z, a;
0081
0082   G4Element* H = new G4Element("Hydrogen", "H", z = 1., a = 1.01 * g / mole);
0083   G4Element* N = new G4Element("Nitrogen", "N", z = 7., a = 14.01 * g / mole);
0084   G4Element* O = new G4Element("Oxygen", "O", z = 8., a = 16.00 * g / mole);
0085   G4Element* Na = new G4Element("Sodium", "Na", z = 11., a = 22.99 * g / mole);
0086   G4Element* Ge = new G4Element("Germanium", "Ge", z = 32., a = 72.59 * g / mole);
0087   G4Element* I = new G4Element("Iodine", "I", z = 53., a = 126.90 * g / mole);
0088   G4Element* Bi = new G4Element("Bismuth", "Bi", z = 83., a = 208.98 * g / mole);
0089
0090   //
0091   // define materials
0092   //
0093   G4double density;
0094   G4int ncomponents, natoms;
0095   G4double fractionmass;
0096
0097   G4Material* Air = new G4Material("Air", density = 1.290 * mg / cm3, ncomponents = 2);
0098   Air->AddElement(N, fractionmass = 70. * perCent);
0099   Air->AddElement(O, fractionmass = 30. * perCent);
0100
0101   G4Material* H2l = new G4Material("H2liquid", density = 70.8 * mg / cm3, ncomponents = 1);
0102   H2l->AddElement(H, fractionmass = 1.);
0103
0104   G4Material* H2O = new G4Material("Water", density = 1.000 * g / cm3, ncomponents = 2);
0105   H2O->AddElement(H, natoms = 2);
0106   H2O->AddElement(O, natoms = 1);
0107   H2O->SetChemicalFormula("H_2O");
0108   H2O->GetIonisation()->SetMeanExcitationEnergy(78.0 * eV);
0109
0110   new G4Material("liquidArgon", z = 18., a = 39.95 * g / mole, density = 1.390 * g / cm3);
0111
0112   new G4Material("Carbon", z = 6., a = 12.01 * g / mole, density = 2.267 * g / cm3);
0113
0114   new G4Material("Aluminium", z = 13., a = 26.98 * g / mole, density = 2.700 * g / cm3);
0115
0116   new G4Material("Silicon", z = 14., a = 28.09 * g / mole, density = 2.330 * g / cm3);
0117
0118   new G4Material("Chromium", z = 24., a = 51.99 * g / mole, density = 7.140 * g / cm3);
0119
0120   new G4Material("Copper", z = 29., a = 63.55 * g / mole, density = 8.920 * g / cm3);
0121
0122   new G4Material("Germanium", z = 32., a = 72.61 * g / mole, density = 5.323 * g / cm3);
0123
0124   new G4Material("Nb", z = 41., a = 92.906 * g / mole, density = 8.57 * g / cm3);
0125
0126   G4Material* NaI = new G4Material("NaI", density = 3.67 * g / cm3, ncomponents = 2);
0127   NaI->AddElement(Na, natoms = 1);
0128   NaI->AddElement(I, natoms = 1);
0129   NaI->GetIonisation()->SetMeanExcitationEnergy(452 * eV);
0130
0131   G4Material* Iod = new G4Material("Iodine", density = 4.93 * g / cm3, ncomponents = 1);
0132   Iod->AddElement(I, natoms = 1);
0133
0134   G4Material* BGO = new G4Material("BGO", density = 7.10 * g / cm3, ncomponents = 3);
0135   BGO->AddElement(O, natoms = 12);
0136   BGO->AddElement(Ge, natoms = 3);
0137   BGO->AddElement(Bi, natoms = 4);
0138
0139   new G4Material("Iron", z = 26., a = 55.85 * g / mole, density = 7.870 * g / cm3);
0140
0141   new G4Material("Tungsten", z = 74., a = 183.85 * g / mole, density = 19.25 * g / cm3);
0142
0143   new G4Material("Gold", z = 79., a = 196.97 * g / mole, density = 19.30 * g / cm3);
0144
0145   new G4Material("Lead", z = 82., a = 207.19 * g / mole, density = 11.35 * g / cm3);
0146
0147   new G4Material("Uranium", z = 92., a = 238.03 * g / mole, density = 18.95 * g / cm3);
0148
0149   /// G4cout << *(G4Material::GetMaterialTable()) << G4endl;
0150 }
0151
0152 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0153
0154 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
0155 {
0156   // Cleanup old geometry
0157   G4GeometryManager::GetInstance()->OpenGeometry();
0158   G4PhysicalVolumeStore::GetInstance()->Clean();
0159   G4LogicalVolumeStore::GetInstance()->Clean();
0160   G4SolidStore::GetInstance()->Clean();
0161
0162   G4Box* sBox = new G4Box("Container",  // its name
0163                           fBoxSize / 2, fBoxSize / 2, fBoxSize / 2);  // its dimensions
0164
0165   fLBox = new G4LogicalVolume(sBox,  // its shape
0166                               fMaterial,  // its material
0167                               fMaterial->GetName());  // its name
0168
0169   fPBox = new G4PVPlacement(0,  // no rotation
0170                             G4ThreeVector(),  // at (0,0,0)
0171                             fLBox,  // its logical volume
0172                             fMaterial->GetName(),  // its name
0173                             0,  // its mother  volume
0174                             false,  // no boolean operation
0175                             0);  // copy number
0176
0177   PrintParameters();
0178
0179   // always return the root volume
0180   //
0181   return fPBox;
0182 }
0183
0184 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0185
0186 void DetectorConstruction::PrintParameters()
0187 {
0188   G4cout << "\n The Box is " << G4BestUnit(fBoxSize, "Length") << " of " << fMaterial->GetName()
0189          << G4endl;
0190   G4cout << "\n" << fMaterial << G4endl;
0191 }
0192
0193 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0194
0195 #include "G4RunManager.hh"
0196
0197 void DetectorConstruction::SetMaterial(G4String materialChoice)
0198 {
0199   // search the material by its name, or build it from nist data base
0200   G4Material* pttoMaterial = G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
0201
0202   if (pttoMaterial) {
0203     fMaterial = pttoMaterial;
0204     G4RunManager::GetRunManager()->PhysicsHasBeenModified();
0205   }
0206   else {
0207     G4cout << "\n--> warning from DetectorConstruction::SetMaterial : " << materialChoice
0208            << " not found" << G4endl;
0209   }
0210 }
0211
0212 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0213
0214 void DetectorConstruction::SetSize(G4double value)
0215 {
0216   fBoxSize = value;
0217   G4RunManager::GetRunManager()->ReinitializeGeometry();
0218 }
0219
0220 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......