chem6/src/DetectorConstruction.cc

0001 //
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0024 // ********************************************************************
0025 //
0026 // This example is provided by the Geant4-DNA collaboration
0027 // chem6 example is derived from chem4 and chem5 examples
0028 //
0029 // Any report or published results obtained using the Geant4-DNA software
0030 // shall cite the following Geant4-DNA collaboration publication:
0031 // J. Appl. Phys. 125 (2019) 104301
0032 // Med. Phys. 45 (2018) e722-e739
0033 // J. Comput. Phys. 274 (2014) 841-882
0034 // Med. Phys. 37 (2010) 4692-4708
0035 // Int. J. Model. Simul. Sci. Comput. 1 (2010) 157-178
0036 // The Geant4-DNA web site is available at http://geant4-dna.org
0037 //
0038 // Authors: W. G. Shin and S. Incerti (CENBG, France)
0039 //
0040 // $Id$
0041 /// \file DetectorConstruction.cc
0042 /// \brief Implementation of the DetectorConstruction class
0043
0044 #include "DetectorConstruction.hh"
0045
0046 #include "PrimaryKiller.hh"
0047 #include "ScoreLET.hh"
0048 #include "ScoreSpecies.hh"
0049
0050 #include "G4Box.hh"
0051 #include "G4LogicalVolume.hh"
0052 #include "G4MultiFunctionalDetector.hh"
0053 #include "G4NistManager.hh"
0054 #include "G4PVPlacement.hh"
0055 #include "G4PhysicalConstants.hh"
0056 #include "G4SDManager.hh"
0057 #include "G4SystemOfUnits.hh"
0058 #include "G4VPrimitiveScorer.hh"
0059 #include "G4VisAttributes.hh"
0060
0061 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
0062
0063 DetectorConstruction::DetectorConstruction() : G4VUserDetectorConstruction() {}
0064
0065 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
0066
0067 DetectorConstruction::~DetectorConstruction() {}
0068
0069 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
0070
0071 G4VPhysicalVolume* DetectorConstruction::Construct()
0072 {
0073   // Water is defined from NIST material database
0074   G4NistManager* man = G4NistManager::Instance();
0075   G4Material* water = man->FindOrBuildMaterial("G4_WATER");
0076
0077   //
0078   // World
0079   //
0080   double world_sizeXYZ = 1 * km;
0081
0082   G4Box* solidWorld =
0083     new G4Box("World", 0.5 * world_sizeXYZ, 0.5 * world_sizeXYZ, 0.5 * world_sizeXYZ);
0084
0085   G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld, water, "World");
0086
0087   G4VPhysicalVolume* physWorld = new G4PVPlacement(0,  // no rotation
0088                                                    G4ThreeVector(),  // its position at (0,0,0)
0089                                                    logicWorld,  // its logical volume
0090                                                    "World",  // its name
0091                                                    0,  // its mother  volume
0092                                                    false,  // no boolean operation
0093                                                    0,  // copy number
0094                                                    true);  // checking overlaps
0095
0096   // Visualization attributes
0097   G4VisAttributes* worldVisAtt = new G4VisAttributes(G4Colour(.5, 1.0, .5));
0098   worldVisAtt->SetVisibility(true);
0099   logicWorld->SetVisAttributes(worldVisAtt);
0100
0101   // always return the physical World
0102   return physWorld;
0103 }
0104
0105 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
0106
0107 void DetectorConstruction::ConstructSDandField()
0108 {
0109   G4SDManager::GetSDMpointer()->SetVerboseLevel(1);
0110
0111   // declare World as a MultiFunctionalDetector scorer
0112   //
0113   G4MultiFunctionalDetector* mfDetector = new G4MultiFunctionalDetector("mfDetector");
0114
0115   //--
0116   // Kill primary track after a chosen energy loss OR under a chosen
0117   // kinetic energy
0118
0119   PrimaryKiller* primaryKiller = new PrimaryKiller("PrimaryKiller");
0120   primaryKiller->SetMinLossEnergyLimit(500 * eV);  // default value
0121   primaryKiller->SetMaxLossEnergyLimit(1 * eV);  // default value
0122   mfDetector->RegisterPrimitive(primaryKiller);
0123
0124   // LET scorer
0125   //  - scores restricted or unrestricted LET
0126
0127   ScoreLET* LET = new ScoreLET("LET");
0128   mfDetector->RegisterPrimitive(LET);
0129
0130   //--
0131   // Record Species scorer:
0132   //  - scores number of species over time
0133   //  - score the total energy deposition
0134   //  - compute the radiochemical yields (G values)
0135
0136   G4VPrimitiveScorer* primitivSpecies = new ScoreSpecies("Species");
0137   mfDetector->RegisterPrimitive(primitivSpecies);
0138
0139   G4SDManager::GetSDMpointer()->AddNewDetector(mfDetector);
0140   SetSensitiveDetector("World", mfDetector);
0141 }
0142
0143 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....