Par04/src/Par04ParallelFastWorld.cc

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0025 //
0026 /// \file Par04ParallelFastWorld.cc
0027 /// \brief Implementation of the Par04ParallelFastWorld class
0028
0029 // User Classes
0030 #include "Par04ParallelFastWorld.hh"
0031
0032 #include "Par04ParallelFastSensitiveDetector.hh"
0033 #include "Par04ParallelFullWorld.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 Par04ParallelFastWorld::Par04ParallelFastWorld(G4String aWorldName,
0055                                                const Par04DetectorConstruction* aMassDetector,
0056                                                const Par04ParallelFullWorld* aParallelFull)
0057   : G4VUserParallelWorld(aWorldName), fMassDetector(aMassDetector), fParallelFull(aParallelFull)
0058 {
0059   fNbOfLayers = fMassDetector->GetNbOfLayers();
0060 }
0061
0062 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0063
0064 Par04ParallelFastWorld::~Par04ParallelFastWorld() = default;
0065
0066 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0067
0068 void Par04ParallelFastWorld::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   fLayerThickness = fullLayerThickness;
0081   // Get an updated value
0082   fNbOfLayers = fMassDetector->GetNbOfLayers();
0083   fNbOfSlices = fParallelFull->GetNbOfSlices();
0084   fNbOfRows = fParallelFull->GetNbOfRows();
0085   G4double detectorRadius = fNbOfLayers * fullLayerThickness;
0086   G4double detectorOuterRadius = detectorInnerRadius + detectorRadius;
0087   G4double rowThickness = detectorLength / fNbOfRows;
0088   G4double full2Pi = 2. * CLHEP::pi * rad;
0089   Print();
0090
0091   // Insert cells to create a readout structure that contains both passive and active materials
0092   // Mostly a copy from the detector construction
0093   auto solidDetector = new G4Tubs("Detector",  // name
0094                                   detectorInnerRadius,  // inner radius
0095                                   detectorOuterRadius,  // outer radius
0096                                   detectorLength / 2.,  // half-width in Z
0097                                   0,  // start angle
0098                                   full2Pi);  // delta angle
0099   auto logicDetector = new G4LogicalVolume(solidDetector,  // solid
0100                                            dummy,  // material
0101                                            "Detector");  // name
0102   new G4PVPlacement(0,  // no rotation
0103                     G4ThreeVector(0, 0, 0),  // detector centre at (0,0,0)
0104                     logicDetector,  // logical volume
0105                     "Detector",  // name
0106                     parallelLogicalVolume,  // mother volume
0107                     false,  // not used
0108                     9999,  // copy number
0109                     true);  // check overlaps
0110
0111   //--------- Detector cylinder (division along z axis)  ---------
0112   auto solidRow =
0113     new G4Tubs("Row", detectorInnerRadius, detectorOuterRadius, rowThickness / 2., 0, full2Pi);
0114
0115   auto logicRow = new G4LogicalVolume(solidRow, dummy, "Row");
0116   if (fNbOfRows > 1)
0117     new G4PVReplica("Row", logicRow, logicDetector, kZAxis, fNbOfRows, rowThickness);
0118   else
0119     new G4PVPlacement(0, G4ThreeVector(), logicRow, "Row", logicDetector, false, 0);
0120
0121   //--------- Detector slices (division in azimuthal angle)  ---------
0122   G4double cellPhi = full2Pi / fNbOfSlices;
0123   auto solidSlice =
0124     new G4Tubs("Slice", detectorInnerRadius, detectorOuterRadius, rowThickness / 2, 0, cellPhi);
0125   auto logicSlice = new G4LogicalVolume(solidSlice, dummy, "Slice");
0126   if (fNbOfSlices > 1) {
0127     new G4PVReplica("Slice", logicSlice, logicRow, kPhi, fNbOfSlices, cellPhi, -cellPhi);
0128   }
0129   else {
0130     new G4PVPlacement(0, G4ThreeVector(), logicSlice, "Slice", logicRow, false, 0);
0131   }
0132
0133   //--------- Detector cells (division along radial axis)  ---------
0134   G4VisAttributes attribs;
0135   attribs.SetColour(G4Colour(0, 1, 0, 0.1));
0136   attribs.SetForceSolid(true);
0137   if (fNbOfLayers > 1) {
0138     auto solidCell = new G4Tubs("Cell", detectorInnerRadius, detectorInnerRadius + fLayerThickness,
0139                                 rowThickness / 2, 0, cellPhi);
0140     fLogicalCell.push_back(new G4LogicalVolume(solidCell, dummy, "Cell_0"));
0141     new G4PVReplica("Cell", fLogicalCell.back(), logicSlice, kRho, fNbOfLayers, fLayerThickness,
0142                     detectorInnerRadius);
0143   }
0144   else {
0145     auto solidCell = new G4Tubs("Cell", detectorInnerRadius, detectorInnerRadius + fLayerThickness,
0146                                 rowThickness / 2, 0, cellPhi);
0147     fLogicalCell.push_back(new G4LogicalVolume(solidCell, dummy, "Cell"));
0148     fLogicalCell.back()->SetVisAttributes(attribs);
0149     new G4PVPlacement(0, G4ThreeVector(), fLogicalCell.back(), "Cell", logicSlice, false, 0);
0150   }
0151   Print();
0152 }
0153
0154 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0155
0156 void Par04ParallelFastWorld::ConstructSD()
0157 {
0158   // -- sensitive detectors:
0159   G4SDManager* SDman = G4SDManager::GetSDMpointer();
0160   Par04ParallelFastSensitiveDetector* caloSD =
0161     new Par04ParallelFastSensitiveDetector("parallelFastSD", fNbOfLayers, fNbOfSlices);
0162   SDman->AddNewDetector(caloSD);
0163   for (const auto& logicalCell : fLogicalCell)
0164     logicalCell->SetSensitiveDetector(caloSD);
0165 }
0166
0167 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0168
0169 void Par04ParallelFastWorld::Print()
0170 {
0171   G4cout << "\n------------------------------------------------------"
0172          << "\n Readout geometry with physics layout is set in parallel geometry:\t"
0173          << "\n Cylindrical detector is divided along radius (layers), phi (slices), and z (rows)."
0174          << "\n Number of layers is determined by number of layers set in detector construction. "
0175          << "\n- Number of layers: " << fNbOfLayers << "\n------- Number of slices: " << fNbOfSlices
0176          << "\n- Number of rows: " << fNbOfRows;
0177   G4cout << "\n Readout will collect energy from fast simulation.\n------- Thickness is "
0178          << "a sum of all absorbers"
0179          << " = " << G4BestUnit(fLayerThickness, "Length")
0180          << "\n-----------------------------------------------------" << G4endl;
0181 }