Gabriele Cosmo
214 lines
9.3 KiB
C++
214 lines
9.3 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// User Classes
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#include "Par04ParallelFastWorld.hh"
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#include "Par04ParallelFullWorld.hh"
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#include "Par04ParallelFastSensitiveDetector.hh"
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// G4 Classes
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#include "G4NistManager.hh"
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#include "G4Material.hh"
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#include "G4ThreeVector.hh"
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#include "G4PVPlacement.hh"
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#include "G4PVReplica.hh"
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#include "G4VPhysicalVolume.hh"
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#include "G4LogicalVolume.hh"
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#include "G4Tubs.hh"
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#include "G4SDManager.hh"
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#include "G4VisAttributes.hh"
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#include "G4Colour.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4AutoDelete.hh"
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#include "globals.hh"
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#include "G4UnitsTable.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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Par04ParallelFastWorld::Par04ParallelFastWorld(G4String aWorldName,
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const Par04DetectorConstruction* aMassDetector,
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const Par04ParallelFullWorld* aParallelFull)
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:G4VUserParallelWorld(aWorldName), fMassDetector(aMassDetector), fParallelFull(aParallelFull) {
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fNbOfLayers = fMassDetector->GetNbOfLayers();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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Par04ParallelFastWorld::~Par04ParallelFastWorld() = default;
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void Par04ParallelFastWorld::Construct()
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{
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// In parallel world material does not matter
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G4Material* dummy = nullptr;
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// Build parallel geometry:
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auto parallelLogicalVolume = GetWorld()->GetLogicalVolume();
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G4double detectorInnerRadius = fMassDetector->GetInnerRadius();
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G4double detectorLength = fMassDetector->GetLength();
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G4double fullLayerThickness = fMassDetector->GetAbsorberThickness(0)
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+ fMassDetector->GetAbsorberThickness(1);
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fLayerThickness = fullLayerThickness;
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// Get an updated value
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fNbOfLayers = fMassDetector->GetNbOfLayers();
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fNbOfSlices = fParallelFull->GetNbOfSlices();
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fNbOfRows = fParallelFull->GetNbOfRows();
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G4double detectorRadius = fNbOfLayers * fullLayerThickness;
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G4double detectorOuterRadius = detectorInnerRadius + detectorRadius;
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G4double rowThickness = detectorLength / fNbOfRows;
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G4double full2Pi = 2.* CLHEP::pi * rad;
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Print();
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// Insert cells to create a readout structure that contains both passive and active materials
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// Mostly a copy from the detector construction
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auto solidDetector = new G4Tubs("Detector", // name
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detectorInnerRadius, // inner radius
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detectorOuterRadius, // outer radius
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detectorLength / 2., // half-width in Z
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0, // start angle
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full2Pi); // delta angle
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auto logicDetector = new G4LogicalVolume(solidDetector, // solid
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dummy, // material
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"Detector"); // name
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new G4PVPlacement(0, // no rotation
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G4ThreeVector(0, 0, 0), // detector centre at (0,0,0)
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logicDetector, // logical volume
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"Detector", // name
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parallelLogicalVolume, // mother volume
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false, // not used
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9999, // copy number
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true); // check overlaps
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//--------- Detector cylinder (division along z axis) ---------
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auto solidRow = new G4Tubs("Row", detectorInnerRadius, detectorOuterRadius, rowThickness / 2.,
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0, full2Pi);
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auto logicRow = new G4LogicalVolume(solidRow, dummy, "Row");
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if (fNbOfRows > 1)
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new G4PVReplica("Row",
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logicRow,
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logicDetector,
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kZAxis,
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fNbOfRows,
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rowThickness);
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else
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new G4PVPlacement(0,
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G4ThreeVector(),
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logicRow,
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"Row",
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logicDetector,
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false,
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0);
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//--------- Detector slices (division in azimuthal angle) ---------
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G4double cellPhi = full2Pi / fNbOfSlices;
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auto solidSlice = new G4Tubs("Slice", detectorInnerRadius, detectorOuterRadius, rowThickness/2,
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0, cellPhi);
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auto logicSlice = new G4LogicalVolume(solidSlice,
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dummy,
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"Slice");
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if(fNbOfSlices>1) {
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new G4PVReplica("Slice",
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logicSlice,
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logicRow,
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kPhi,
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fNbOfSlices,
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cellPhi,
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-cellPhi);
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} else {
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new G4PVPlacement(0,
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G4ThreeVector(),
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logicSlice,
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"Slice",
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logicRow,
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false,
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0);
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}
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//--------- Detector cells (division along radial axis) ---------
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G4VisAttributes attribs;
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attribs.SetColour(G4Colour(0, 1, 0, 0.1));
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attribs.SetForceSolid(true);
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if(fNbOfLayers>1) {
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auto solidCell = new G4Tubs("Cell", detectorInnerRadius,
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detectorInnerRadius + fLayerThickness,
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rowThickness/2, 0, cellPhi);
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fLogicalCell.push_back(new G4LogicalVolume(solidCell, dummy, "Cell_0"));
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new G4PVReplica("Cell",
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fLogicalCell.back(),
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logicSlice,
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kRho,
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fNbOfLayers,
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fLayerThickness,
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detectorInnerRadius);
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} else {
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auto solidCell = new G4Tubs("Cell", detectorInnerRadius,
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detectorInnerRadius + fLayerThickness,
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rowThickness/2, 0, cellPhi);
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fLogicalCell.push_back(new G4LogicalVolume(solidCell, dummy, "Cell"));
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fLogicalCell.back()->SetVisAttributes(attribs);
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new G4PVPlacement(0,
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G4ThreeVector(),
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fLogicalCell.back(),
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"Cell",
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logicSlice,
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false,
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0);
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}
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Print();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void Par04ParallelFastWorld::ConstructSD()
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{
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// -- sensitive detectors:
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G4SDManager* SDman = G4SDManager::GetSDMpointer();
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Par04ParallelFastSensitiveDetector* caloSD =
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new Par04ParallelFastSensitiveDetector("parallelFastSD", fNbOfLayers, fNbOfSlices);
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SDman->AddNewDetector(caloSD);
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for(const auto& logicalCell: fLogicalCell)
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logicalCell->SetSensitiveDetector(caloSD);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void Par04ParallelFastWorld::Print() {
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G4cout << "\n------------------------------------------------------"
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<< "\n Readout geometry with physics layout is set in parallel geometry:\t"
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<< "\n Cylindrical detector is divided along radius (layers), phi (slices), and z (rows)."
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<< "\n Number of layers is determined by number of layers set in detector construction. "
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<< "\n- Number of layers: " << fNbOfLayers << "\n------- Number of slices: " << fNbOfSlices
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<< "\n- Number of rows: " << fNbOfRows;
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G4cout << "\n Readout will collect energy from fast simulation.\n------- Thickness is "
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<< "a sum of all absorbers" << " = " << G4BestUnit(fLayerThickness, "Length")
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<< "\n-----------------------------------------------------" << G4endl;
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}
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