Par04/src/Par04ParallelFastWorld.cc

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0025 //
0026
0027 // User Classes
0028 #include "Par04ParallelFastWorld.hh"
0029
0030 #include "Par04ParallelFastSensitiveDetector.hh"
0031 #include "Par04ParallelFullWorld.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 Par04ParallelFastWorld::Par04ParallelFastWorld(G4String aWorldName,
0053                                                const Par04DetectorConstruction* aMassDetector,
0054                                                const Par04ParallelFullWorld* aParallelFull)
0055   : G4VUserParallelWorld(aWorldName), fMassDetector(aMassDetector), fParallelFull(aParallelFull)
0056 {
0057   fNbOfLayers = fMassDetector->GetNbOfLayers();
0058 }
0059
0060 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0061
0062 Par04ParallelFastWorld::~Par04ParallelFastWorld() = default;
0063
0064 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0065
0066 void Par04ParallelFastWorld::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   fLayerThickness = fullLayerThickness;
0079   // Get an updated value
0080   fNbOfLayers = fMassDetector->GetNbOfLayers();
0081   fNbOfSlices = fParallelFull->GetNbOfSlices();
0082   fNbOfRows = fParallelFull->GetNbOfRows();
0083   G4double detectorRadius = fNbOfLayers * fullLayerThickness;
0084   G4double detectorOuterRadius = detectorInnerRadius + detectorRadius;
0085   G4double rowThickness = detectorLength / fNbOfRows;
0086   G4double full2Pi = 2. * CLHEP::pi * rad;
0087   Print();
0088
0089   // Insert cells to create a readout structure that contains both passive and active materials
0090   // Mostly a copy from the detector construction
0091   auto solidDetector = new G4Tubs("Detector",  // name
0092                                   detectorInnerRadius,  // inner radius
0093                                   detectorOuterRadius,  // outer radius
0094                                   detectorLength / 2.,  // half-width in Z
0095                                   0,  // start angle
0096                                   full2Pi);  // delta angle
0097   auto logicDetector = new G4LogicalVolume(solidDetector,  // solid
0098                                            dummy,  // material
0099                                            "Detector");  // name
0100   new G4PVPlacement(0,  // no rotation
0101                     G4ThreeVector(0, 0, 0),  // detector centre at (0,0,0)
0102                     logicDetector,  // logical volume
0103                     "Detector",  // name
0104                     parallelLogicalVolume,  // mother volume
0105                     false,  // not used
0106                     9999,  // copy number
0107                     true);  // check overlaps
0108
0109   //--------- Detector cylinder (division along z axis)  ---------
0110   auto solidRow =
0111     new G4Tubs("Row", detectorInnerRadius, detectorOuterRadius, rowThickness / 2., 0, full2Pi);
0112
0113   auto logicRow = new G4LogicalVolume(solidRow, dummy, "Row");
0114   if (fNbOfRows > 1)
0115     new G4PVReplica("Row", logicRow, logicDetector, kZAxis, fNbOfRows, rowThickness);
0116   else
0117     new G4PVPlacement(0, G4ThreeVector(), logicRow, "Row", logicDetector, false, 0);
0118
0119   //--------- Detector slices (division in azimuthal angle)  ---------
0120   G4double cellPhi = full2Pi / fNbOfSlices;
0121   auto solidSlice =
0122     new G4Tubs("Slice", detectorInnerRadius, detectorOuterRadius, rowThickness / 2, 0, cellPhi);
0123   auto logicSlice = new G4LogicalVolume(solidSlice, dummy, "Slice");
0124   if (fNbOfSlices > 1) {
0125     new G4PVReplica("Slice", logicSlice, logicRow, kPhi, fNbOfSlices, cellPhi, -cellPhi);
0126   }
0127   else {
0128     new G4PVPlacement(0, G4ThreeVector(), logicSlice, "Slice", logicRow, false, 0);
0129   }
0130
0131   //--------- Detector cells (division along radial axis)  ---------
0132   G4VisAttributes attribs;
0133   attribs.SetColour(G4Colour(0, 1, 0, 0.1));
0134   attribs.SetForceSolid(true);
0135   if (fNbOfLayers > 1) {
0136     auto solidCell = new G4Tubs("Cell", detectorInnerRadius, detectorInnerRadius + fLayerThickness,
0137                                 rowThickness / 2, 0, cellPhi);
0138     fLogicalCell.push_back(new G4LogicalVolume(solidCell, dummy, "Cell_0"));
0139     new G4PVReplica("Cell", fLogicalCell.back(), logicSlice, kRho, fNbOfLayers, fLayerThickness,
0140                     detectorInnerRadius);
0141   }
0142   else {
0143     auto solidCell = new G4Tubs("Cell", detectorInnerRadius, detectorInnerRadius + fLayerThickness,
0144                                 rowThickness / 2, 0, cellPhi);
0145     fLogicalCell.push_back(new G4LogicalVolume(solidCell, dummy, "Cell"));
0146     fLogicalCell.back()->SetVisAttributes(attribs);
0147     new G4PVPlacement(0, G4ThreeVector(), fLogicalCell.back(), "Cell", logicSlice, false, 0);
0148   }
0149   Print();
0150 }
0151
0152 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0153
0154 void Par04ParallelFastWorld::ConstructSD()
0155 {
0156   // -- sensitive detectors:
0157   G4SDManager* SDman = G4SDManager::GetSDMpointer();
0158   Par04ParallelFastSensitiveDetector* caloSD =
0159     new Par04ParallelFastSensitiveDetector("parallelFastSD", fNbOfLayers, fNbOfSlices);
0160   SDman->AddNewDetector(caloSD);
0161   for (const auto& logicalCell : fLogicalCell)
0162     logicalCell->SetSensitiveDetector(caloSD);
0163 }
0164
0165 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0166
0167 void Par04ParallelFastWorld::Print()
0168 {
0169   G4cout << "\n------------------------------------------------------"
0170          << "\n Readout geometry with physics layout is set in parallel geometry:\t"
0171          << "\n Cylindrical detector is divided along radius (layers), phi (slices), and z (rows)."
0172          << "\n Number of layers is determined by number of layers set in detector construction. "
0173          << "\n- Number of layers: " << fNbOfLayers << "\n------- Number of slices: " << fNbOfSlices
0174          << "\n- Number of rows: " << fNbOfRows;
0175   G4cout << "\n Readout will collect energy from fast simulation.\n------- Thickness is "
0176          << "a sum of all absorbers"
0177          << " = " << G4BestUnit(fLayerThickness, "Length")
0178          << "\n-----------------------------------------------------" << G4endl;
0179 }