chem5/src/DetectorConstruction.cc

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