chem5/src/DetectorConstruction.cc

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0025 //
0026 /// \file DetectorConstruction.cc
0027 /// \brief Implementation of the DetectorConstruction class
0028
0029 // This example is provided by the Geant4-DNA collaboration
0030 // Any report or published results obtained using the Geant4-DNA software
0031 // shall cite the following Geant4-DNA collaboration publication:
0032 // Med. Phys. 37 (2010) 4692-4708
0033 // J. Comput. Phys. 274 (2014) 841-882
0034 // The Geant4-DNA web site is available at http://geant4-dna.org
0035 //
0036
0037 #include "DetectorConstruction.hh"
0038
0039 #include "PrimaryKiller.hh"
0040 #include "ScoreSpecies.hh"
0041
0042 #include "G4Box.hh"
0043 #include "G4LogicalVolume.hh"
0044 #include "G4MultiFunctionalDetector.hh"
0045 #include "G4NistManager.hh"
0046 #include "G4PVPlacement.hh"
0047 #include "G4SDManager.hh"
0048 #include "G4SystemOfUnits.hh"
0049 #include "G4VPrimitiveScorer.hh"
0050 #include "G4VisAttributes.hh"
0051
0052 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0053
0054 G4VPhysicalVolume* DetectorConstruction::Construct()
0055 {
0056   // Water is defined from NIST material database
0057   auto man = G4NistManager::Instance();
0058   auto water = man->FindOrBuildMaterial("G4_WATER");
0059
0060   //
0061   // World
0062   //
0063   auto world_sizeXYZ = 1. * kilometer;
0064
0065   auto  solidWorld =
0066     new G4Box("World", 0.5 * world_sizeXYZ, 0.5 * world_sizeXYZ, 0.5 * world_sizeXYZ);
0067
0068   auto  logicWorld = new G4LogicalVolume(solidWorld, water, "World");
0069
0070   auto physWorld = new G4PVPlacement(nullptr,  // no rotation
0071                                                    G4ThreeVector(),  // its position at (0,0,0)
0072                                                    logicWorld,  // its logical volume
0073                                                    "World",  // its name
0074                                                    nullptr,  // its mother  volume
0075                                                    false,  // no boolean operation
0076                                                    0,  // copy number
0077                                                    true);  // checking overlaps
0078
0079   // Visualization attributes
0080   auto  worldVisAtt = new G4VisAttributes(G4Colour(.5, 1.0, .5));
0081   worldVisAtt->SetVisibility(true);
0082   logicWorld->SetVisAttributes(worldVisAtt);
0083
0084   // always return the physical World
0085   return physWorld;
0086 }
0087
0088 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0089
0090 void DetectorConstruction::ConstructSDandField()
0091 {
0092   G4SDManager::GetSDMpointer()->SetVerboseLevel(1);
0093
0094   // declare World as a MultiFunctionalDetector scorer
0095   //
0096   auto mfDetector = new G4MultiFunctionalDetector("mfDetector");
0097
0098   //--
0099   // Kill primary track after a chosen energy loss OR under a chosen
0100   // kinetic energy
0101   auto primaryKiller = new PrimaryKiller("PrimaryKiller");
0102   mfDetector->RegisterPrimitive(primaryKiller);
0103
0104   //--
0105   // Record Species scorer:
0106   //  - scores number of species over time
0107   //  - score the total energy deposition
0108   //  - compute the radiochemical yields (G values)
0109   auto primitivSpecies = new ScoreSpecies("Species");
0110   mfDetector->RegisterPrimitive(primitivSpecies);
0111   G4SDManager::GetSDMpointer()->AddNewDetector(mfDetector);
0112   SetSensitiveDetector("World", mfDetector);
0113 }