AuNP/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 "G4Colour.hh"
0034 #include "G4GeometryManager.hh"
0035 #include "G4LogicalVolume.hh"
0036 #include "G4LogicalVolumeStore.hh"
0037 #include "G4NistManager.hh"
0038 #include "G4PSEnergyDeposit.hh"
0039 #include "G4PVPlacement.hh"
0040 #include "G4PhysicalVolumeStore.hh"
0041 #include "G4ProductionCuts.hh"
0042 #include "G4RunManager.hh"
0043 #include "G4SolidStore.hh"
0044 #include "G4Sphere.hh"
0045 #include "G4SubtractionSolid.hh"
0046 #include "G4SystemOfUnits.hh"
0047 #include "G4Tubs.hh"
0048 #include "G4UnitsTable.hh"
0049 #include "G4UserLimits.hh"
0050 #include "G4VPhysicalVolume.hh"
0051 #include "G4VisAttributes.hh"
0052
0053 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0054
0055 DetectorConstruction::DetectorConstruction()
0056   : G4VUserDetectorConstruction() {
0057   DefineMaterials();
0058   SetNPMaterial("G4_Au");
0059   SetAbsMaterial("G4_WATER");
0060   // create commands for interactive definition of the detector
0061   fDetectorMessenger = std::make_unique<DetectorMessenger>(this);
0062 }
0063
0064 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0065
0066 G4VPhysicalVolume *DetectorConstruction::Construct() {
0067   return ConstructVolumes();
0068 }
0069
0070 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0071
0072 void DetectorConstruction::DefineMaterials() {
0073   G4NistManager *man = G4NistManager::Instance();
0074   man->FindOrBuildMaterial("G4_Au");
0075   man->FindOrBuildMaterial("G4_WATER");
0076 }
0077
0078 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0079
0080 G4VPhysicalVolume *DetectorConstruction::ConstructVolumes() {
0081   constexpr G4bool check_overlap = false;
0082   G4GeometryManager::GetInstance()->OpenGeometry();
0083   G4PhysicalVolumeStore::GetInstance()->Clean();
0084   G4LogicalVolumeStore::GetInstance()->Clean();
0085   G4SolidStore::GetInstance()->Clean();
0086
0087   // World  ====================================================================
0088   const auto Vacuum =
0089     new G4Material("Galactic", 1., 1.01 * g / mole, CLHEP::universe_mean_density,
0090                    kStateGas, 2.73 * kelvin, 3.e-18 * pascal);
0091
0092   const auto sWorld =
0093     new G4Sphere("World", 0., fAbsRadius*1.5, 0., 2*CLHEP::pi*rad, 0., CLHEP::pi);
0094   const auto lWorld = new G4LogicalVolume(sWorld, Vacuum, "World");
0095   pWorld = new G4PVPlacement(nullptr, G4ThreeVector(), lWorld,
0096                              "World", 0, false, 0);
0097
0098   // Spherical NanoParticle ===================================================
0099   const auto sNP =
0100     new G4Sphere("NanoParticle", 0., fNPRadius, 0., 2*CLHEP::pi*rad, 0., CLHEP::pi);
0101
0102   fLogicalNP = new G4LogicalVolume(sNP, fNPMaterial, "NanoParticle");
0103
0104   fNP = new G4PVPlacement(nullptr, G4ThreeVector(), fLogicalNP,
0105                           "NanoParticle", lWorld, false, 0, check_overlap);
0106
0107   // Sampling Plane ===========================================================
0108
0109   // Spherical water absorber -------------------------------------------------
0110   const auto sAbsorber0 =
0111     new G4Sphere("Absorber0", 0., fAbsRadius*1.2, 0., 2*CLHEP::pi*rad, 0., CLHEP::pi);
0112   const auto sAbsorber =
0113     new G4SubtractionSolid("Absorber", sAbsorber0, sNP, 0, G4ThreeVector());
0114
0115   fLogicalAbs = new G4LogicalVolume(sAbsorber, fAbsMaterial, "Absorber");
0116   fAbs = new G4PVPlacement(nullptr, G4ThreeVector(), fLogicalAbs,
0117                            "Absorber", lWorld, false, 0, check_overlap);
0118
0119   // Set Visualization Setting#################################################
0120   const auto visWorld = new G4VisAttributes(true, G4Colour::Gray());
0121   const auto visNP = new G4VisAttributes(true, G4Colour::Yellow());
0122   const auto visAbs = new G4VisAttributes(true, G4Colour::Cyan());
0123
0124   lWorld->SetVisAttributes(visWorld);
0125   fLogicalNP->SetVisAttributes(visNP);
0126   fLogicalAbs->SetVisAttributes(visAbs);
0127
0128   PrintParameters();
0129
0130   G4double maxStep = fNPRadius / 2.;
0131   fLogicalNP->SetUserLimits(new G4UserLimits(maxStep, DBL_MAX, DBL_MAX, fTrackingCut));
0132
0133   fRegion = new G4Region("NP");
0134
0135   const auto cuts = new G4ProductionCuts();
0136   constexpr G4double defCut = 0.1 * nm;
0137   cuts->SetProductionCut(defCut, "gamma");
0138   cuts->SetProductionCut(defCut, "e-");
0139   cuts->SetProductionCut(defCut, "e+");
0140   cuts->SetProductionCut(defCut, "proton");
0141   fRegion->SetProductionCuts(cuts);
0142   fRegion->AddRootLogicalVolume(fLogicalNP);
0143
0144   return pWorld;
0145 }
0146
0147 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0148
0149 void DetectorConstruction::PrintParameters() const {
0150   G4cout << "\n=========================================================\n";
0151   G4cout << "---> The tracking cut to all particles is set to "
0152       << G4BestUnit(fTrackingCut, "Energy") << G4endl;
0153   G4cout << "\n---------------------------------------------------------\n";
0154   G4cout << "---> The Nano-Particle is a sphere of "
0155       << G4BestUnit(fNPRadius, "Length")
0156       << " radius of " << fNPMaterial->GetName() << " made of"
0157       << "\n \n"
0158       << fNPMaterial << G4endl;
0159   G4cout << "\n---------------------------------------------------------\n";
0160   G4cout << "---> The Absorber is a sphere of "
0161       << G4BestUnit(fAbsRadius, "Length") << " radius of "
0162       << fAbsMaterial->GetName() << " made of"
0163       << "\n \n"
0164       << fAbsMaterial << G4endl;
0165   G4cout << "\n=========================================================\n";
0166 }
0167
0168 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0169
0170 void DetectorConstruction::SetTrackingCut(G4double value) {
0171   fTrackingCut = value;
0172   G4RunManager::GetRunManager()->ReinitializeGeometry();
0173 }
0174
0175 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0176
0177 void DetectorConstruction::SetAbsRadius(G4double value) {
0178   fAbsRadius = value;
0179   G4RunManager::GetRunManager()->ReinitializeGeometry();
0180 }
0181
0182 void DetectorConstruction::SetNPRadius(G4double value) {
0183   fNPRadius = value;
0184   G4RunManager::GetRunManager()->ReinitializeGeometry();
0185 }
0186
0187 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0188 //
0189 void DetectorConstruction::SetAbsMaterial(const G4String& materialChoice) {
0190   G4Material *pttoMaterial = G4Material::GetMaterial(materialChoice);
0191   if (pttoMaterial) {
0192     fAbsMaterial = pttoMaterial;
0193   }
0194   G4RunManager::GetRunManager()->PhysicsHasBeenModified();
0195 }
0196
0197 void DetectorConstruction::SetNPMaterial(const G4String& materialChoice) {
0198   G4Material *pttoMaterial = G4Material::GetMaterial(materialChoice);
0199   if (pttoMaterial) {
0200     fNPMaterial = pttoMaterial;
0201   }
0202   G4RunManager::GetRunManager()->PhysicsHasBeenModified();
0203 }
0204
0205 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0206 //
0207 void DetectorConstruction::SetNReplicaR(G4int value) {
0208   fNreplicaR = value;
0209   G4RunManager::GetRunManager()->ReinitializeGeometry();
0210 }
0211
0212 void DetectorConstruction::SetNReplicaAzm(G4int value) {
0213   fNreplicaAzm = value;
0214   G4RunManager::GetRunManager()->ReinitializeGeometry();
0215 }