chem6/src/DetectorConstruction.cc

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 /// \file DetectorConstruction.cc
0027 /// \brief Implementation of the DetectorConstruction class
0028
0029 // This example is provided by the Geant4-DNA collaboration
0030 // chem6 example is derived from chem4 and chem5 examples
0031 //
0032 // Any report or published results obtained using the Geant4-DNA software
0033 // shall cite the following Geant4-DNA collaboration publication:
0034 // J. Appl. Phys. 125 (2019) 104301
0035 // Med. Phys. 45 (2018) e722-e739
0036 // J. Comput. Phys. 274 (2014) 841-882
0037 // Med. Phys. 37 (2010) 4692-4708
0038 // Int. J. Model. Simul. Sci. Comput. 1 (2010) 157-178
0039 // The Geant4-DNA web site is available at http://geant4-dna.org
0040 //
0041 // Authors: W. G. Shin and S. Incerti (CENBG, France)
0042 //
0043 // $Id$
0044
0045 #include "DetectorConstruction.hh"
0046
0047 #include "PrimaryKiller.hh"
0048 #include "ScoreLET.hh"
0049 #include "ScoreSpecies.hh"
0050
0051 #include "G4Box.hh"
0052 #include "G4LogicalVolume.hh"
0053 #include "G4MultiFunctionalDetector.hh"
0054 #include "G4NistManager.hh"
0055 #include "G4PVPlacement.hh"
0056 #include "G4PhysicalConstants.hh"
0057 #include "G4SDManager.hh"
0058 #include "G4SystemOfUnits.hh"
0059 #include "G4VPrimitiveScorer.hh"
0060 #include "G4VisAttributes.hh"
0061
0062 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
0063
0064 G4VPhysicalVolume* DetectorConstruction::Construct()
0065 {
0066   // Water is defined from NIST material database
0067   G4NistManager* man = G4NistManager::Instance();
0068   G4Material* water = man->FindOrBuildMaterial("G4_WATER");
0069
0070   //
0071   // World
0072   //
0073   constexpr G4double world_sizeXYZ = 1 * km;
0074
0075   const auto solidWorld =
0076     new G4Box("World", 0.5 * world_sizeXYZ, 0.5 * world_sizeXYZ, 0.5 * world_sizeXYZ);
0077
0078   const auto logicWorld = new G4LogicalVolume(solidWorld, water, "World");
0079
0080   G4VPhysicalVolume* physWorld = new G4PVPlacement(nullptr,  // no rotation
0081                                                    G4ThreeVector(),  // its position at (0,0,0)
0082                                                    logicWorld,  // its logical volume
0083                                                    "World",  // its name
0084                                                    0,  // its mother  volume
0085                                                    false,  // no boolean operation
0086                                                    0,  // copy number
0087                                                    true);  // checking overlaps
0088
0089   // Visualization attributes
0090   const auto worldVisAtt = new G4VisAttributes(G4Colour(.5, 1.0, .5));
0091   worldVisAtt->SetVisibility(true);
0092   logicWorld->SetVisAttributes(worldVisAtt);
0093
0094   // always return the physical World
0095   return physWorld;
0096 }
0097
0098 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
0099
0100 void DetectorConstruction::ConstructSDandField()
0101 {
0102   G4SDManager::GetSDMpointer()->SetVerboseLevel(1);
0103
0104   // declare World as a MultiFunctionalDetector scorer
0105   //
0106   const auto mfDetector = new G4MultiFunctionalDetector("mfDetector");
0107
0108   //--
0109   // Kill primary track after a chosen energy loss OR under a chosen
0110   // kinetic energy
0111
0112   const auto primaryKiller = new PrimaryKiller("PrimaryKiller");
0113   primaryKiller->SetMinLossEnergyLimit(500 * eV);  // default value
0114   primaryKiller->SetMaxLossEnergyLimit(1 * eV);  // default value
0115   mfDetector->RegisterPrimitive(primaryKiller);
0116
0117   // LET scorer
0118   //  - scores restricted or unrestricted LET
0119
0120   const auto LET = new ScoreLET("LET");
0121   mfDetector->RegisterPrimitive(LET);
0122
0123   //--
0124   // Record Species scorer:
0125   //  - scores number of species over time
0126   //  - score the total energy deposition
0127   //  - compute the radiochemical yields (G values)
0128
0129   G4VPrimitiveScorer* primitivSpecies = new ScoreSpecies("Species");
0130   mfDetector->RegisterPrimitive(primitivSpecies);
0131
0132   G4SDManager::GetSDMpointer()->AddNewDetector(mfDetector);
0133   SetSensitiveDetector("World", mfDetector);
0134 }
0135
0136 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....