Par04/src/Par04ParallelFullWorld.cc

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0025 //
0026 /// \file Par04ParallelFullWorld.cc
0027 /// \brief Implementation of the Par04ParallelFullWorld class
0028
0029 // User Classes
0030 #include "Par04ParallelFullWorld.hh"
0031
0032 #include "Par04ParallelFullSensitiveDetector.hh"
0033 #include "Par04ParallelMessenger.hh"
0034
0035 // G4 Classes
0036 #include "G4AutoDelete.hh"
0037 #include "G4Colour.hh"
0038 #include "G4LogicalVolume.hh"
0039 #include "G4Material.hh"
0040 #include "G4NistManager.hh"
0041 #include "G4PVPlacement.hh"
0042 #include "G4PVReplica.hh"
0043 #include "G4SDManager.hh"
0044 #include "G4SystemOfUnits.hh"
0045 #include "G4ThreeVector.hh"
0046 #include "G4Tubs.hh"
0047 #include "G4UnitsTable.hh"
0048 #include "G4VPhysicalVolume.hh"
0049 #include "G4VisAttributes.hh"
0050 #include "globals.hh"
0051
0052 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0053
0054 Par04ParallelFullWorld::Par04ParallelFullWorld(G4String aWorldName,
0055                                                const Par04DetectorConstruction* aMassDetector)
0056   : G4VUserParallelWorld(aWorldName), fMassDetector(aMassDetector)
0057 {
0058   fParallelMessenger = new Par04ParallelMessenger(this);
0059   fNbOfLayers = fMassDetector->GetNbOfLayers();
0060 }
0061
0062 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0063
0064 Par04ParallelFullWorld::~Par04ParallelFullWorld() = default;
0065
0066 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0067
0068 void Par04ParallelFullWorld::Construct()
0069 {
0070   // In parallel world material does not matter
0071   G4Material* dummy = nullptr;
0072
0073   // Build parallel geometry:
0074   auto parallelLogicalVolume = GetWorld()->GetLogicalVolume();
0075
0076   G4double detectorInnerRadius = fMassDetector->GetInnerRadius();
0077   G4double detectorLength = fMassDetector->GetLength();
0078   G4double fullLayerThickness =
0079     fMassDetector->GetAbsorberThickness(0) + fMassDetector->GetAbsorberThickness(1);
0080   G4double sensitiveLayerOffset = 0;
0081   if (fMassDetector->GetAbsorberSensitivity(0))
0082     fLayerThickness = fMassDetector->GetAbsorberThickness(0);
0083   else
0084     sensitiveLayerOffset = fMassDetector->GetAbsorberThickness(0);
0085   if (fMassDetector->GetAbsorberSensitivity(1))
0086     fLayerThickness += fMassDetector->GetAbsorberThickness(1);
0087
0088   fNbOfLayers = fMassDetector->GetNbOfLayers();  // Get an updated value
0089   G4double detectorRadius = fNbOfLayers * fullLayerThickness;
0090   G4double detectorOuterRadius = detectorInnerRadius + detectorRadius;
0091   G4double rowThickness = detectorLength / fNbOfRows;
0092   G4double full2Pi = 2. * CLHEP::pi * rad;
0093   Print();
0094
0095   // Insert cells to create a readout structure that contains both passive and active materials
0096   // Mostly a copy from the detector construction
0097   auto solidDetector = new G4Tubs("Detector",  // name
0098                                   detectorInnerRadius,  // inner radius
0099                                   detectorOuterRadius,  // outer radius
0100                                   detectorLength / 2.,  // half-width in Z
0101                                   0,  // start angle
0102                                   full2Pi);  // delta angle
0103   auto logicDetector = new G4LogicalVolume(solidDetector,  // solid
0104                                            dummy,  // material
0105                                            "Detector");  // name
0106   new G4PVPlacement(0,  // no rotation
0107                     G4ThreeVector(0, 0, 0),  // detector centre at (0,0,0)
0108                     logicDetector,  // logical volume
0109                     "Detector",  // name
0110                     parallelLogicalVolume,  // mother volume
0111                     false,  // not used
0112                     9999,  // copy number
0113                     true);  // check overlaps
0114
0115   //--------- Detector cylinder (division along z axis)  ---------
0116   auto solidRow =
0117     new G4Tubs("Row", detectorInnerRadius, detectorOuterRadius, rowThickness / 2., 0, full2Pi);
0118
0119   auto logicRow = new G4LogicalVolume(solidRow, dummy, "Row");
0120   if (fNbOfRows > 1)
0121     new G4PVReplica("Row", logicRow, logicDetector, kZAxis, fNbOfRows, rowThickness);
0122   else
0123     new G4PVPlacement(0, G4ThreeVector(), logicRow, "Row", logicDetector, false, 0);
0124
0125   //--------- Detector slices (division in azimuthal angle)  ---------
0126   G4double cellPhi = full2Pi / fNbOfSlices;
0127   auto solidSlice =
0128     new G4Tubs("Slice", detectorInnerRadius, detectorOuterRadius, rowThickness / 2, 0, cellPhi);
0129   auto logicSlice = new G4LogicalVolume(solidSlice, dummy, "Slice");
0130   if (fNbOfLayers > 1 && fullLayerThickness == fLayerThickness) {
0131     new G4PVReplica("Slice", logicSlice, logicRow, kPhi, fNbOfSlices, cellPhi, -cellPhi);
0132   }
0133   else {
0134     // full simulation readout, cannot use replica because of gaps between absorbers
0135     for (int iSlice = 0; iSlice < fNbOfSlices; iSlice++) {
0136       auto rotation = new G4RotationMatrix();
0137       rotation->setPhi((iSlice + 0.5) * cellPhi);
0138       new G4PVPlacement(rotation, G4ThreeVector(), logicSlice, "Slice_" + std::to_string(iSlice),
0139                         logicRow, false, iSlice);
0140     }
0141   }
0142
0143   //--------- Detector cells (division along radial axis)  ---------
0144   G4VisAttributes attribs;
0145   attribs.SetColour(G4Colour(0, 1, 0, 0.1));
0146   attribs.SetForceSolid(true);
0147   if (fNbOfLayers > 1 && fullLayerThickness == fLayerThickness) {
0148     auto solidCell = new G4Tubs("Cell", detectorInnerRadius + sensitiveLayerOffset,
0149                                 detectorInnerRadius + sensitiveLayerOffset + fLayerThickness,
0150                                 rowThickness / 2, 0, cellPhi);
0151     fLogicalCell.push_back(new G4LogicalVolume(solidCell, dummy, "Cell_0"));
0152     new G4PVReplica("Cell", fLogicalCell.back(), logicSlice, kRho, fNbOfLayers, fLayerThickness,
0153                     detectorInnerRadius);
0154   }
0155   else {
0156     // full simulation readout, cannot use replica because of gaps between absorbers
0157     for (int iLayer = 0; iLayer < fNbOfLayers; iLayer++) {
0158       auto solidCell = new G4Tubs(
0159         "Cell_" + std::to_string(iLayer),
0160         detectorInnerRadius + iLayer * fullLayerThickness + sensitiveLayerOffset,
0161         detectorInnerRadius + iLayer * fullLayerThickness + sensitiveLayerOffset + fLayerThickness,
0162         rowThickness / 2, 0, cellPhi);
0163       fLogicalCell.push_back(
0164         new G4LogicalVolume(solidCell, dummy, "Cell_" + std::to_string(iLayer)));
0165       fLogicalCell.back()->SetVisAttributes(attribs);
0166       new G4PVPlacement(0, G4ThreeVector(), fLogicalCell.back(), "Cell_" + std::to_string(iLayer),
0167                         logicSlice, false, iLayer);
0168     }
0169   }
0170   Print();
0171 }
0172
0173 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0174
0175 void Par04ParallelFullWorld::ConstructSD()
0176 {
0177   // -- sensitive detectors:
0178   G4SDManager* SDman = G4SDManager::GetSDMpointer();
0179   Par04ParallelFullSensitiveDetector* caloSD =
0180     new Par04ParallelFullSensitiveDetector("parallelFullSD", fNbOfLayers, fNbOfSlices, fNbOfRows);
0181   SDman->AddNewDetector(caloSD);
0182   for (const auto& logicalCell : fLogicalCell)
0183     logicalCell->SetSensitiveDetector(caloSD);
0184 }
0185
0186 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0187
0188 void Par04ParallelFullWorld::Print()
0189 {
0190   G4cout << "\n------------------------------------------------------"
0191          << "\n Readout geometry with physics layout is set in parallel geometry:\t"
0192          << "\n Cylindrical detector is divided along radius (layers), phi (slices), and z (rows)."
0193          << "\n Number of layers is determined by number of layers set in detector construction. "
0194          << "\n- Number of layers: " << fNbOfLayers << "\n------- Number of slices: " << fNbOfSlices
0195          << "\n- Number of rows: " << fNbOfRows;
0196   G4cout << "\n Readout will collect energy for full simulation.\n------- Therefore thickness is "
0197          << "only a thickness of sensitive absorbers = " << G4BestUnit(fLayerThickness, "Length")
0198          << "\n-----------------------------------------------------" << G4endl;
0199 }