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26 //
27 /// \file ExGflash2ParallelWorld.cc
28 /// \brief Implementation of the ExGflash2ParallelWorld class
29
30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32
33 // User Classes
34 #include "ExGflash2ParallelWorld.hh"
35
36 // G4 Classes
37 #include "G4AutoDelete.hh"
38 #include "G4Box.hh"
39 #include "G4Colour.hh"
40 #include "G4LogicalVolume.hh"
41 #include "G4Material.hh"
42 #include "G4NistManager.hh"
43 #include "G4PVPlacement.hh"
44 #include "G4SystemOfUnits.hh"
45 #include "G4ThreeVector.hh"
46 #include "G4VPhysicalVolume.hh"
47 #include "G4VisAttributes.hh"
48 #include "globals.hh"
49
50 // fast simulation
51 #include "GFlashHitMaker.hh"
52 #include "GFlashHomoShowerParameterisation.hh"
53 #include "GFlashParticleBounds.hh"
54 #include "GFlashShowerModel.hh"
55
56 #include "G4FastSimulationManager.hh"
57
58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59
60 ExGflash2ParallelWorld::ExGflash2ParallelWorld(G4String aWorldName)
61 : G4VUserParallelWorld(aWorldName)
62 {
63 G4cout << "ExGflash2ParallelWorld::Parralel world constructor" << G4endl;
64 }
65
66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67
68 ExGflash2ParallelWorld::~ExGflash2ParallelWorld()
69 {
70 delete fFastShowerModel;
71 delete fParameterisation;
72 delete fParticleBounds;
73 delete fHitMaker;
74 }
75
76 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
77
78 void ExGflash2ParallelWorld::Construct()
79 {
80 // In parallel world material does not matter
81 G4Material* dummy = nullptr;
82
83 // Build parallel/ghost geometry:
84 auto ghostLogicalVolume = GetWorld()->GetLogicalVolume();
85
86 // Use part of the Ex1GflashDetectorConstruction (without individual crystals)
87
88 G4int nbOfCrystals = 10; // this are the crystals PER ROW in this example
89 // cube of 10 x 10 crystals
90 // don't change it @the moment, since
91 // the readout in event action assumes this
92 // dimensions and is not automatically adapted
93 // in this version of the example :-(
94 // Simplified `CMS-like` PbWO4 crystal calorimeter
95 G4double calo_xside = 31 * cm;
96 G4double calo_yside = 31 * cm;
97 G4double calo_zside = 24 * cm;
98
99 G4double crystalWidth = 3 * cm;
100 G4double crystalLength = 24 * cm;
101
102 calo_xside = (crystalWidth * nbOfCrystals) + 1 * cm;
103 calo_yside = (crystalWidth * nbOfCrystals) + 1 * cm;
104 calo_zside = crystalLength;
105
106 auto calo_box = new G4Box("CMS calorimeter", // its name
107 calo_xside / 2., // size
108 calo_yside / 2., calo_zside / 2.);
109 auto calo_log = new G4LogicalVolume(calo_box, // its solid
110 dummy, // its material
111 "calo log", // its name
112 nullptr, // opt: fieldManager
113 nullptr, // opt: SensitiveDetector
114 nullptr); // opt: UserLimit
115
116 G4double xpos = 0.0;
117 G4double ypos = 0.0;
118 G4double zpos = 100.0 * cm;
119 new G4PVPlacement(nullptr, G4ThreeVector(xpos, ypos, zpos), calo_log, "calorimeter",
120 ghostLogicalVolume, false, 1);
121
122 auto caloVisAtt = new G4VisAttributes(G4Colour(1.0, 1.0, 1.0));
123 calo_log->SetVisAttributes(caloVisAtt);
124
125 // define the fParameterisation region
126 fRegion = new G4Region("crystals");
127 calo_log->SetRegion(fRegion);
128 fRegion->AddRootLogicalVolume(calo_log);
129 }
130
131 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
132
133 void ExGflash2ParallelWorld::ConstructSD()
134 {
135 // Get nist material manager
136 G4NistManager* nistManager = G4NistManager::Instance();
137 G4Material* pbWO4 = nistManager->FindOrBuildMaterial("G4_PbWO4");
138 // -- fast simulation models:
139 // **********************************************
140 // * Initializing shower modell
141 // ***********************************************
142 G4cout << "Creating shower parameterization models" << G4endl;
143 fFastShowerModel = new GFlashShowerModel("fFastShowerModel", fRegion);
144 fParameterisation = new GFlashHomoShowerParameterisation(pbWO4);
145 fFastShowerModel->SetParameterisation(*fParameterisation);
146 // Energy Cuts to kill particles:
147 fParticleBounds = new GFlashParticleBounds();
148 fFastShowerModel->SetParticleBounds(*fParticleBounds);
149 // Makes the EnergieSpots
150 fHitMaker = new GFlashHitMaker();
151 fFastShowerModel->SetHitMaker(*fHitMaker);
152 G4cout << "end shower parameterization." << G4endl;
153 // **********************************************
154 }
155
156 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
157