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1 //
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25 //
26 // This example is provided by the Geant4-DNA collaboration
27 // chem6 example is derived from chem4 and chem5 examples
28 //
29 // Any report or published results obtained using the Geant4-DNA software
30 // shall cite the following Geant4-DNA collaboration publication:
31 // J. Appl. Phys. 125 (2019) 104301
32 // Med. Phys. 45 (2018) e722-e739
33 // J. Comput. Phys. 274 (2014) 841-882
34 // Med. Phys. 37 (2010) 4692-4708
35 // Int. J. Model. Simul. Sci. Comput. 1 (2010) 157-178
36 // The Geant4-DNA web site is available at http://geant4-dna.org
37 //
38 // Authors: W. G. Shin and S. Incerti (CENBG, France)
39 //
40 // $Id$
41 /// \file DetectorConstruction.cc
42 /// \brief Implementation of the DetectorConstruction class
43
44 #include "DetectorConstruction.hh"
45
46 #include "PrimaryKiller.hh"
47 #include "ScoreLET.hh"
48 #include "ScoreSpecies.hh"
49
50 #include "G4Box.hh"
51 #include "G4LogicalVolume.hh"
52 #include "G4MultiFunctionalDetector.hh"
53 #include "G4NistManager.hh"
54 #include "G4PVPlacement.hh"
55 #include "G4PhysicalConstants.hh"
56 #include "G4SDManager.hh"
57 #include "G4SystemOfUnits.hh"
58 #include "G4VPrimitiveScorer.hh"
59 #include "G4VisAttributes.hh"
60
61 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
62
63 DetectorConstruction::DetectorConstruction() : G4VUserDetectorConstruction() {}
64
65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
66
67 DetectorConstruction::~DetectorConstruction() {}
68
69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
70
71 G4VPhysicalVolume* DetectorConstruction::Construct()
72 {
73 // Water is defined from NIST material database
74 G4NistManager* man = G4NistManager::Instance();
75 G4Material* water = man->FindOrBuildMaterial("G4_WATER");
76
77 //
78 // World
79 //
80 double world_sizeXYZ = 1 * km;
81
82 G4Box* solidWorld =
83 new G4Box("World", 0.5 * world_sizeXYZ, 0.5 * world_sizeXYZ, 0.5 * world_sizeXYZ);
84
85 G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld, water, "World");
86
87 G4VPhysicalVolume* physWorld = new G4PVPlacement(0, // no rotation
88 G4ThreeVector(), // its position at (0,0,0)
89 logicWorld, // its logical volume
90 "World", // its name
91 0, // its mother volume
92 false, // no boolean operation
93 0, // copy number
94 true); // checking overlaps
95
96 // Visualization attributes
97 G4VisAttributes* worldVisAtt = new G4VisAttributes(G4Colour(.5, 1.0, .5));
98 worldVisAtt->SetVisibility(true);
99 logicWorld->SetVisAttributes(worldVisAtt);
100
101 // always return the physical World
102 return physWorld;
103 }
104
105 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
106
107 void DetectorConstruction::ConstructSDandField()
108 {
109 G4SDManager::GetSDMpointer()->SetVerboseLevel(1);
110
111 // declare World as a MultiFunctionalDetector scorer
112 //
113 G4MultiFunctionalDetector* mfDetector = new G4MultiFunctionalDetector("mfDetector");
114
115 //--
116 // Kill primary track after a chosen energy loss OR under a chosen
117 // kinetic energy
118
119 PrimaryKiller* primaryKiller = new PrimaryKiller("PrimaryKiller");
120 primaryKiller->SetMinLossEnergyLimit(500 * eV); // default value
121 primaryKiller->SetMaxLossEnergyLimit(1 * eV); // default value
122 mfDetector->RegisterPrimitive(primaryKiller);
123
124 // LET scorer
125 // - scores restricted or unrestricted LET
126
127 ScoreLET* LET = new ScoreLET("LET");
128 mfDetector->RegisterPrimitive(LET);
129
130 //--
131 // Record Species scorer:
132 // - scores number of species over time
133 // - score the total energy deposition
134 // - compute the radiochemical yields (G values)
135
136 G4VPrimitiveScorer* primitivSpecies = new ScoreSpecies("Species");
137 mfDetector->RegisterPrimitive(primitivSpecies);
138
139 G4SDManager::GetSDMpointer()->AddNewDetector(mfDetector);
140 SetSensitiveDetector("World", mfDetector);
141 }
142
143 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
144