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27 /// \file eventgenerator/pythia/pythia8decayer 27 /// \file eventgenerator/pythia/pythia8decayer/src/DetConstruction.cc
28 /// \brief Implementation of the DetConstructi 28 /// \brief Implementation of the DetConstruction class
29 /// 29 ///
30 /// \author J. Yarba; FNAL 30 /// \author J. Yarba; FNAL
31 31
32 #include "DetConstruction.hh" 32 #include "DetConstruction.hh"
33 33
34 #include "G4Box.hh" <<
35 #include "G4LogicalVolume.hh" <<
36 #include "G4Material.hh" 34 #include "G4Material.hh"
37 #include "G4NistManager.hh" 35 #include "G4NistManager.hh"
38 #include "G4PVPlacement.hh" << 36 #include "G4Box.hh"
39 #include "G4Tubs.hh" 37 #include "G4Tubs.hh"
>> 38 #include "G4LogicalVolume.hh"
>> 39 #include "G4PVPlacement.hh"
40 40
41 //....oooOO0OOooo........oooOO0OOooo........oo 41 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
42 42
43 G4VPhysicalVolume* DetConstruction::Construct( 43 G4VPhysicalVolume* DetConstruction::Construct()
44 { 44 {
45 // Define materials via NIST manager <<
46 <<
47 auto worldMaterial = G4NistManager::Instance <<
48 auto detMaterial = G4NistManager::Instance() <<
49 <<
50 // World volume <<
51 45
52 G4ThreeVector worldSize(200. * CLHEP::cm, 20 << 46 // Define materials via NIST manager
53 << 47
54 fWorld = << 48 auto worldMaterial =
55 new G4PVPlacement(0, G4ThreeVector(), "wor << 49 G4NistManager::Instance()->FindOrBuildMaterial("G4_AIR");
56 new G4LogicalVolume(new << 50 auto detMaterial =
57 << 51 G4NistManager::Instance()->FindOrBuildMaterial("G4_C");
58 worl << 52
59 0, false, 0); << 53 // World volume
>> 54
>> 55 G4ThreeVector worldSize( 200.*CLHEP::cm, 200.*CLHEP::cm, 200.*CLHEP::cm );
>> 56
>> 57
>> 58 fWorld = new G4PVPlacement(
>> 59 0, G4ThreeVector(),
>> 60 "world_phys",
>> 61 new G4LogicalVolume( new G4Box( "world_solid",
>> 62 0.5*worldSize.x(),
>> 63 0.5*worldSize.y(),
>> 64 0.5*worldSize.z() ),
>> 65 worldMaterial, "world_log", 0, 0, 0 ),
>> 66 0,
>> 67 false, 0 );
60 68
61 // "Detector" 69 // "Detector"
62 70
63 double rmin = 10. * CLHEP::cm; << 71 double rmin = 10.*CLHEP::cm;
64 double rmax = 80. * CLHEP::cm; << 72 double rmax = 80.*CLHEP::cm;
65 double zlength = 98. * CLHEP::cm; << 73 double zlength = 98.*CLHEP::cm;
66 << 74
67 G4VSolid* sDet = new G4Tubs("det_solid", rmi << 75 G4VSolid* sDet = new G4Tubs( "det_solid",
68 << 76 rmin, rmax, 0.5*zlength,
69 G4LogicalVolume* lDet = new G4LogicalVolume( << 77 0., 2.*CLHEP::pi );
70 << 78
71 fDet = new G4PVPlacement(0, G4ThreeVector(), << 79 G4LogicalVolume* lDet = new G4LogicalVolume( sDet, detMaterial, "det_log",
72 fWorld, // it's mo << 80 0, 0, 0 );
73 false, 0); << 81
74 << 82 fDet = new G4PVPlacement( 0, G4ThreeVector(), "det_phys",
75 // always return the root volume << 83 lDet,
>> 84 fWorld, // it's mother (physical) volume
>> 85 false, 0 );
>> 86
>> 87
>> 88 //always return the root volume
76 // 89 //
77 return fWorld; 90 return fWorld;
>> 91
78 } 92 }
79 93
80 //....oooOO0OOooo........oooOO0OOooo........oo 94 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 95
81 96