| Geant4 Cross Reference |
1 //
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18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
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24 // ********************************************************************
25 //
26 // This example is provided by the Geant4-DNA collaboration
27 // Any report or published results obtained using the Geant4-DNA software
28 // shall cite the following Geant4-DNA collaboration publication:
29 // Med. Phys. 37 (2010) 4692-4708
30 // J. Comput. Phys. 274 (2014) 841-882
31 // The Geant4-DNA web site is available at http://geant4-dna.org
32 //
33 /// \file DetectorConstruction.cc
34 /// \brief Implementation of the DetectorConstruction class
35
36 #include "DetectorConstruction.hh"
37
38 #include "PrimaryKiller.hh"
39 #include "ScoreSpecies.hh"
40
41 #include "G4Box.hh"
42 #include "G4LogicalVolume.hh"
43 #include "G4MultiFunctionalDetector.hh"
44 #include "G4NistManager.hh"
45 #include "G4PSDoseDeposit.hh"
46 #include "G4PSEnergyDeposit.hh"
47 #include "G4PVPlacement.hh"
48 #include "G4PhysicalConstants.hh"
49 #include "G4SDManager.hh"
50 #include "G4SystemOfUnits.hh"
51 #include "G4VPrimitiveScorer.hh"
52 #include "G4VisAttributes.hh"
53
54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
55
56 DetectorConstruction::DetectorConstruction() : G4VUserDetectorConstruction() {}
57
58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59
60 DetectorConstruction::~DetectorConstruction() {}
61
62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
63
64 G4VPhysicalVolume* DetectorConstruction::Construct()
65 {
66 // Water is defined from NIST material database
67 G4NistManager* man = G4NistManager::Instance();
68 G4Material* water = man->FindOrBuildMaterial("G4_WATER");
69
70 //
71 // World
72 //
73 double world_sizeXYZ = 1. * kilometer;
74
75 G4Box* solidWorld =
76 new G4Box("World", 0.5 * world_sizeXYZ, 0.5 * world_sizeXYZ, 0.5 * world_sizeXYZ);
77
78 G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld, water, "World");
79
80 G4VPhysicalVolume* physWorld = new G4PVPlacement(0, // no rotation
81 G4ThreeVector(), // its position at (0,0,0)
82 logicWorld, // its logical volume
83 "World", // its name
84 0, // its mother volume
85 false, // no boolean operation
86 0, // copy number
87 true); // checking overlaps
88
89 // Visualization attributes
90 G4VisAttributes* worldVisAtt = new G4VisAttributes(G4Colour(.5, 1.0, .5));
91 worldVisAtt->SetVisibility(true);
92 logicWorld->SetVisAttributes(worldVisAtt);
93
94 // always return the physical World
95 return physWorld;
96 }
97
98 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
99
100 void DetectorConstruction::ConstructSDandField()
101 {
102 G4SDManager::GetSDMpointer()->SetVerboseLevel(1);
103
104 // declare World as a MultiFunctionalDetector scorer
105 //
106 G4MultiFunctionalDetector* mfDetector = new G4MultiFunctionalDetector("mfDetector");
107
108 //--
109 // Kill primary track after a chosen energy loss OR under a chosen
110 // kinetic energy
111 PrimaryKiller* primaryKiller = new PrimaryKiller("PrimaryKiller");
112 primaryKiller->SetMinLossEnergyLimit(500. * eV); // default value
113 primaryKiller->SetMaxLossEnergyLimit(1. * eV); // default value
114 mfDetector->RegisterPrimitive(primaryKiller);
115
116 //--
117 // Record Species scorer:
118 // - scores number of species over time
119 // - score the total energy deposition
120 // - compute the radiochemical yields (G values)
121 G4VPrimitiveScorer* primitivSpecies = new ScoreSpecies("Species");
122 mfDetector->RegisterPrimitive(primitivSpecies);
123 G4SDManager::GetSDMpointer()->AddNewDetector(mfDetector);
124 SetSensitiveDetector("World", mfDetector);
125 }
126