Par04/src/Par04ParallelFullWorld.cc

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