| Geant4 Cross Reference |
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25 //
26
27 // User Classes
28 #include "Par04ParallelFullWorld.hh"
29
30 #include "Par04ParallelFullSensitiveDetector.hh"
31 #include "Par04ParallelMessenger.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 Par04ParallelFullWorld::Par04ParallelFullWorld(G4String aWorldName,
53 const Par04DetectorConstruction* aMassDetector)
54 : G4VUserParallelWorld(aWorldName), fMassDetector(aMassDetector)
55 {
56 fParallelMessenger = new Par04ParallelMessenger(this);
57 fNbOfLayers = fMassDetector->GetNbOfLayers();
58 }
59
60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61
62 Par04ParallelFullWorld::~Par04ParallelFullWorld() = default;
63
64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65
66 void Par04ParallelFullWorld::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 G4double sensitiveLayerOffset = 0;
79 if (fMassDetector->GetAbsorberSensitivity(0))
80 fLayerThickness = fMassDetector->GetAbsorberThickness(0);
81 else
82 sensitiveLayerOffset = fMassDetector->GetAbsorberThickness(0);
83 if (fMassDetector->GetAbsorberSensitivity(1))
84 fLayerThickness += fMassDetector->GetAbsorberThickness(1);
85
86 fNbOfLayers = fMassDetector->GetNbOfLayers(); // Get an updated value
87 G4double detectorRadius = fNbOfLayers * fullLayerThickness;
88 G4double detectorOuterRadius = detectorInnerRadius + detectorRadius;
89 G4double rowThickness = detectorLength / fNbOfRows;
90 G4double full2Pi = 2. * CLHEP::pi * rad;
91 Print();
92
93 // Insert cells to create a readout structure that contains both passive and active materials
94 // Mostly a copy from the detector construction
95 auto solidDetector = new G4Tubs("Detector", // name
96 detectorInnerRadius, // inner radius
97 detectorOuterRadius, // outer radius
98 detectorLength / 2., // half-width in Z
99 0, // start angle
100 full2Pi); // delta angle
101 auto logicDetector = new G4LogicalVolume(solidDetector, // solid
102 dummy, // material
103 "Detector"); // name
104 new G4PVPlacement(0, // no rotation
105 G4ThreeVector(0, 0, 0), // detector centre at (0,0,0)
106 logicDetector, // logical volume
107 "Detector", // name
108 parallelLogicalVolume, // mother volume
109 false, // not used
110 9999, // copy number
111 true); // check overlaps
112
113 //--------- Detector cylinder (division along z axis) ---------
114 auto solidRow =
115 new G4Tubs("Row", detectorInnerRadius, detectorOuterRadius, rowThickness / 2., 0, full2Pi);
116
117 auto logicRow = new G4LogicalVolume(solidRow, dummy, "Row");
118 if (fNbOfRows > 1)
119 new G4PVReplica("Row", logicRow, logicDetector, kZAxis, fNbOfRows, rowThickness);
120 else
121 new G4PVPlacement(0, G4ThreeVector(), logicRow, "Row", logicDetector, false, 0);
122
123 //--------- Detector slices (division in azimuthal angle) ---------
124 G4double cellPhi = full2Pi / fNbOfSlices;
125 auto solidSlice =
126 new G4Tubs("Slice", detectorInnerRadius, detectorOuterRadius, rowThickness / 2, 0, cellPhi);
127 auto logicSlice = new G4LogicalVolume(solidSlice, dummy, "Slice");
128 if (fNbOfLayers > 1 && fullLayerThickness == fLayerThickness) {
129 new G4PVReplica("Slice", logicSlice, logicRow, kPhi, fNbOfSlices, cellPhi, -cellPhi);
130 }
131 else {
132 // full simulation readout, cannot use replica because of gaps between absorbers
133 for (int iSlice = 0; iSlice < fNbOfSlices; iSlice++) {
134 auto rotation = new G4RotationMatrix();
135 rotation->setPhi((iSlice + 0.5) * cellPhi);
136 new G4PVPlacement(rotation, G4ThreeVector(), logicSlice, "Slice_" + std::to_string(iSlice),
137 logicRow, false, iSlice);
138 }
139 }
140
141 //--------- Detector cells (division along radial axis) ---------
142 G4VisAttributes attribs;
143 attribs.SetColour(G4Colour(0, 1, 0, 0.1));
144 attribs.SetForceSolid(true);
145 if (fNbOfLayers > 1 && fullLayerThickness == fLayerThickness) {
146 auto solidCell = new G4Tubs("Cell", detectorInnerRadius + sensitiveLayerOffset,
147 detectorInnerRadius + sensitiveLayerOffset + fLayerThickness,
148 rowThickness / 2, 0, cellPhi);
149 fLogicalCell.push_back(new G4LogicalVolume(solidCell, dummy, "Cell_0"));
150 new G4PVReplica("Cell", fLogicalCell.back(), logicSlice, kRho, fNbOfLayers, fLayerThickness,
151 detectorInnerRadius);
152 }
153 else {
154 // full simulation readout, cannot use replica because of gaps between absorbers
155 for (int iLayer = 0; iLayer < fNbOfLayers; iLayer++) {
156 auto solidCell = new G4Tubs(
157 "Cell_" + std::to_string(iLayer),
158 detectorInnerRadius + iLayer * fullLayerThickness + sensitiveLayerOffset,
159 detectorInnerRadius + iLayer * fullLayerThickness + sensitiveLayerOffset + fLayerThickness,
160 rowThickness / 2, 0, cellPhi);
161 fLogicalCell.push_back(
162 new G4LogicalVolume(solidCell, dummy, "Cell_" + std::to_string(iLayer)));
163 fLogicalCell.back()->SetVisAttributes(attribs);
164 new G4PVPlacement(0, G4ThreeVector(), fLogicalCell.back(), "Cell_" + std::to_string(iLayer),
165 logicSlice, false, iLayer);
166 }
167 }
168 Print();
169 }
170
171 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
172
173 void Par04ParallelFullWorld::ConstructSD()
174 {
175 // -- sensitive detectors:
176 G4SDManager* SDman = G4SDManager::GetSDMpointer();
177 Par04ParallelFullSensitiveDetector* caloSD =
178 new Par04ParallelFullSensitiveDetector("parallelFullSD", fNbOfLayers, fNbOfSlices, fNbOfRows);
179 SDman->AddNewDetector(caloSD);
180 for (const auto& logicalCell : fLogicalCell)
181 logicalCell->SetSensitiveDetector(caloSD);
182 }
183
184 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
185
186 void Par04ParallelFullWorld::Print()
187 {
188 G4cout << "\n------------------------------------------------------"
189 << "\n Readout geometry with physics layout is set in parallel geometry:\t"
190 << "\n Cylindrical detector is divided along radius (layers), phi (slices), and z (rows)."
191 << "\n Number of layers is determined by number of layers set in detector construction. "
192 << "\n- Number of layers: " << fNbOfLayers << "\n------- Number of slices: " << fNbOfSlices
193 << "\n- Number of rows: " << fNbOfRows;
194 G4cout << "\n Readout will collect energy for full simulation.\n------- Therefore thickness is "
195 << "only a thickness of sensitive absorbers = " << G4BestUnit(fLayerThickness, "Length")
196 << "\n-----------------------------------------------------" << G4endl;
197 }
198