| Geant4 Cross Reference |
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25 //
26
27 // User Classes
28 #include "Par04ParallelFastWorld.hh"
29
30 #include "Par04ParallelFastSensitiveDetector.hh"
31 #include "Par04ParallelFullWorld.hh"
32
33 // G4 Classes
34 #include "G4AutoDelete.hh"
35 #include "G4Colour.hh"
36 #include "G4LogicalVolume.hh"
37 #include "G4Material.hh"
38 #include "G4NistManager.hh"
39 #include "G4PVPlacement.hh"
40 #include "G4PVReplica.hh"
41 #include "G4SDManager.hh"
42 #include "G4SystemOfUnits.hh"
43 #include "G4ThreeVector.hh"
44 #include "G4Tubs.hh"
45 #include "G4UnitsTable.hh"
46 #include "G4VPhysicalVolume.hh"
47 #include "G4VisAttributes.hh"
48 #include "globals.hh"
49
50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
51
52 Par04ParallelFastWorld::Par04ParallelFastWorld(G4String aWorldName,
53 const Par04DetectorConstruction* aMassDetector,
54 const Par04ParallelFullWorld* aParallelFull)
55 : G4VUserParallelWorld(aWorldName), fMassDetector(aMassDetector), fParallelFull(aParallelFull)
56 {
57 fNbOfLayers = fMassDetector->GetNbOfLayers();
58 }
59
60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61
62 Par04ParallelFastWorld::~Par04ParallelFastWorld() = default;
63
64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65
66 void Par04ParallelFastWorld::Construct()
67 {
68 // In parallel world material does not matter
69 G4Material* dummy = nullptr;
70
71 // Build parallel geometry:
72 auto parallelLogicalVolume = GetWorld()->GetLogicalVolume();
73
74 G4double detectorInnerRadius = fMassDetector->GetInnerRadius();
75 G4double detectorLength = fMassDetector->GetLength();
76 G4double fullLayerThickness =
77 fMassDetector->GetAbsorberThickness(0) + fMassDetector->GetAbsorberThickness(1);
78 fLayerThickness = fullLayerThickness;
79 // Get an updated value
80 fNbOfLayers = fMassDetector->GetNbOfLayers();
81 fNbOfSlices = fParallelFull->GetNbOfSlices();
82 fNbOfRows = fParallelFull->GetNbOfRows();
83 G4double detectorRadius = fNbOfLayers * fullLayerThickness;
84 G4double detectorOuterRadius = detectorInnerRadius + detectorRadius;
85 G4double rowThickness = detectorLength / fNbOfRows;
86 G4double full2Pi = 2. * CLHEP::pi * rad;
87 Print();
88
89 // Insert cells to create a readout structure that contains both passive and active materials
90 // Mostly a copy from the detector construction
91 auto solidDetector = new G4Tubs("Detector", // name
92 detectorInnerRadius, // inner radius
93 detectorOuterRadius, // outer radius
94 detectorLength / 2., // half-width in Z
95 0, // start angle
96 full2Pi); // delta angle
97 auto logicDetector = new G4LogicalVolume(solidDetector, // solid
98 dummy, // material
99 "Detector"); // name
100 new G4PVPlacement(0, // no rotation
101 G4ThreeVector(0, 0, 0), // detector centre at (0,0,0)
102 logicDetector, // logical volume
103 "Detector", // name
104 parallelLogicalVolume, // mother volume
105 false, // not used
106 9999, // copy number
107 true); // check overlaps
108
109 //--------- Detector cylinder (division along z axis) ---------
110 auto solidRow =
111 new G4Tubs("Row", detectorInnerRadius, detectorOuterRadius, rowThickness / 2., 0, full2Pi);
112
113 auto logicRow = new G4LogicalVolume(solidRow, dummy, "Row");
114 if (fNbOfRows > 1)
115 new G4PVReplica("Row", logicRow, logicDetector, kZAxis, fNbOfRows, rowThickness);
116 else
117 new G4PVPlacement(0, G4ThreeVector(), logicRow, "Row", logicDetector, false, 0);
118
119 //--------- Detector slices (division in azimuthal angle) ---------
120 G4double cellPhi = full2Pi / fNbOfSlices;
121 auto solidSlice =
122 new G4Tubs("Slice", detectorInnerRadius, detectorOuterRadius, rowThickness / 2, 0, cellPhi);
123 auto logicSlice = new G4LogicalVolume(solidSlice, dummy, "Slice");
124 if (fNbOfSlices > 1) {
125 new G4PVReplica("Slice", logicSlice, logicRow, kPhi, fNbOfSlices, cellPhi, -cellPhi);
126 }
127 else {
128 new G4PVPlacement(0, G4ThreeVector(), logicSlice, "Slice", logicRow, false, 0);
129 }
130
131 //--------- Detector cells (division along radial axis) ---------
132 G4VisAttributes attribs;
133 attribs.SetColour(G4Colour(0, 1, 0, 0.1));
134 attribs.SetForceSolid(true);
135 if (fNbOfLayers > 1) {
136 auto solidCell = new G4Tubs("Cell", detectorInnerRadius, detectorInnerRadius + fLayerThickness,
137 rowThickness / 2, 0, cellPhi);
138 fLogicalCell.push_back(new G4LogicalVolume(solidCell, dummy, "Cell_0"));
139 new G4PVReplica("Cell", fLogicalCell.back(), logicSlice, kRho, fNbOfLayers, fLayerThickness,
140 detectorInnerRadius);
141 }
142 else {
143 auto solidCell = new G4Tubs("Cell", detectorInnerRadius, detectorInnerRadius + fLayerThickness,
144 rowThickness / 2, 0, cellPhi);
145 fLogicalCell.push_back(new G4LogicalVolume(solidCell, dummy, "Cell"));
146 fLogicalCell.back()->SetVisAttributes(attribs);
147 new G4PVPlacement(0, G4ThreeVector(), fLogicalCell.back(), "Cell", logicSlice, false, 0);
148 }
149 Print();
150 }
151
152 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
153
154 void Par04ParallelFastWorld::ConstructSD()
155 {
156 // -- sensitive detectors:
157 G4SDManager* SDman = G4SDManager::GetSDMpointer();
158 Par04ParallelFastSensitiveDetector* caloSD =
159 new Par04ParallelFastSensitiveDetector("parallelFastSD", fNbOfLayers, fNbOfSlices);
160 SDman->AddNewDetector(caloSD);
161 for (const auto& logicalCell : fLogicalCell)
162 logicalCell->SetSensitiveDetector(caloSD);
163 }
164
165 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
166
167 void Par04ParallelFastWorld::Print()
168 {
169 G4cout << "\n------------------------------------------------------"
170 << "\n Readout geometry with physics layout is set in parallel geometry:\t"
171 << "\n Cylindrical detector is divided along radius (layers), phi (slices), and z (rows)."
172 << "\n Number of layers is determined by number of layers set in detector construction. "
173 << "\n- Number of layers: " << fNbOfLayers << "\n------- Number of slices: " << fNbOfSlices
174 << "\n- Number of rows: " << fNbOfRows;
175 G4cout << "\n Readout will collect energy from fast simulation.\n------- Thickness is "
176 << "a sum of all absorbers"
177 << " = " << G4BestUnit(fLayerThickness, "Length")
178 << "\n-----------------------------------------------------" << G4endl;
179 }
180