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25 //
26 /// \file scavenger/src/DetectorConstruction.cc
27 /// \brief Implementation of the scavenger::DetectorConstruction class
28
29 #include "DetectorConstruction.hh"
30
31 #include "PrimaryKiller.hh"
32 #include "ScoreSpecies.hh"
33
34 #include "G4Box.hh"
35 #include "G4LogicalVolume.hh"
36 #include "G4MultiFunctionalDetector.hh"
37 #include "G4NistManager.hh"
38 #include "G4PVPlacement.hh"
39 #include "G4SDManager.hh"
40 #include "G4SystemOfUnits.hh"
41 #include "G4VPrimitiveScorer.hh"
42 #include "G4VisAttributes.hh"
43
44 namespace scavenger
45 {
46
47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
48
49 DetectorConstruction::DetectorConstruction() : G4VUserDetectorConstruction() {}
50
51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
52
53 G4VPhysicalVolume* DetectorConstruction::Construct()
54 {
55 // Water is defined from NIST material database
56 auto* man = G4NistManager::Instance();
57 auto* water = man->FindOrBuildMaterial("G4_WATER");
58
59 // World
60 G4double world_sizeXYZ = 1. * km;
61 auto solidWorld =
62 new G4Box("World", 0.5 * world_sizeXYZ, 0.5 * world_sizeXYZ, 0.5 * world_sizeXYZ);
63
64 auto logicWorld = new G4LogicalVolume(solidWorld, water, "World");
65
66 G4VPhysicalVolume* physWorld = new G4PVPlacement(nullptr, // no rotation
67 G4ThreeVector(), // its position at (0,0,0)
68 logicWorld, // its logical volume
69 "World", // its name
70 nullptr, // its mother volume
71 false, // no boolean operation
72 0, // copy number
73 true); // checking overlaps
74
75 // Visualization attributes
76 auto worldVisAtt = new G4VisAttributes(G4Colour(.5, 1.0, .5));
77 worldVisAtt->SetVisibility(true);
78 logicWorld->SetVisAttributes(worldVisAtt);
79 return physWorld;
80 }
81
82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
83
84 void DetectorConstruction::ConstructSDandField()
85 {
86 G4SDManager::GetSDMpointer()->SetVerboseLevel(1);
87 /**
88 * declare World as a MultiFunctionalDetector scorer
89 */
90 auto mfDetector = new G4MultiFunctionalDetector("mfDetector");
91
92 // Kill primary track after a chosen energy loss OR under a chosen
93 // kinetic energy
94 auto primaryKiller = new PrimaryKiller("PrimaryKiller");
95 primaryKiller->SetMinLossEnergyLimit(500. * eV); // default value
96 primaryKiller->SetMaxLossEnergyLimit(1. * keV); // default value
97 mfDetector->RegisterPrimitive(primaryKiller);
98
99 // Record Species scorer:
100 // - score number of species over time
101 // - score the total energy deposition
102 // - compute the radiochemical yields (G values)
103 G4VPrimitiveScorer* gValues = new ScoreSpecies("Species");
104 mfDetector->RegisterPrimitive(gValues);
105 G4SDManager::GetSDMpointer()->AddNewDetector(mfDetector);
106 SetSensitiveDetector("World", mfDetector);
107 }
108
109 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
110
111 } // namespace scavenger