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25 //
26 /// \file eventgenerator/HepMC/HepMCEx01/src/ExN04DetectorConstruction.cc
27 /// \brief Implementation of the ExN04DetectorConstruction class
28 //
29 //
30
31 #include "ExN04DetectorConstruction.hh"
32
33 #include "ExN04CalorimeterParametrisation.hh"
34 #include "ExN04CalorimeterROGeometry.hh"
35 #include "ExN04CalorimeterSD.hh"
36 #include "ExN04Field.hh"
37 #include "ExN04MuonSD.hh"
38 #include "ExN04TrackerParametrisation.hh"
39 #include "ExN04TrackerSD.hh"
40
41 #include "G4Box.hh"
42 #include "G4Colour.hh"
43 #include "G4Element.hh"
44 #include "G4FieldManager.hh"
45 #include "G4LogicalVolume.hh"
46 #include "G4Material.hh"
47 #include "G4MaterialTable.hh"
48 #include "G4NistManager.hh"
49 #include "G4PVParameterised.hh"
50 #include "G4PVPlacement.hh"
51 #include "G4RotationMatrix.hh"
52 #include "G4SDManager.hh"
53 #include "G4SystemOfUnits.hh"
54 #include "G4ThreeVector.hh"
55 #include "G4Transform3D.hh"
56 #include "G4TransportationManager.hh"
57 #include "G4Tubs.hh"
58 #include "G4VisAttributes.hh"
59
60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61 ExN04DetectorConstruction::ExN04DetectorConstruction() : G4VUserDetectorConstruction()
62 {
63 #include "ExN04DetectorParameterDef.icc"
64 }
65
66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67 ExN04DetectorConstruction::~ExN04DetectorConstruction() {}
68
69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
70 void ExN04DetectorConstruction::DefineMaterials()
71 {
72 //-------------------------------------------------------------------------
73 // Materials
74 //-------------------------------------------------------------------------
75 G4NistManager* nistManager = G4NistManager::Instance();
76 fAir = nistManager->FindOrBuildMaterial("G4_AIR");
77 fLead = nistManager->FindOrBuildMaterial("G4_Pb");
78 fSilicon = nistManager->FindOrBuildMaterial("G4_Si");
79
80 G4double a, z, density;
81 G4int nel;
82
83 // Argon gas
84 a = 39.95 * g / mole;
85 density = 1.782e-03 * g / cm3;
86 fAr = new G4Material("ArgonGas", z = 18., a, density);
87
88 // Scintillator
89 G4Element* elH = nistManager->FindOrBuildElement("H");
90 G4Element* elC = nistManager->FindOrBuildElement("C");
91 fScinti = new G4Material("Scintillator", density = 1.032 * g / cm3, nel = 2);
92 fScinti->AddElement(elC, 9);
93 fScinti->AddElement(elH, 10);
94 }
95
96 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
97 G4VPhysicalVolume* ExN04DetectorConstruction::Construct()
98 {
99 //-------------------------------------------------------------------------
100 // Magnetic field
101 //-------------------------------------------------------------------------
102
103 static G4bool fieldIsInitialized = false;
104 if (!fieldIsInitialized) {
105 ExN04Field* myField = new ExN04Field;
106 G4FieldManager* fieldMgr =
107 G4TransportationManager::GetTransportationManager()->GetFieldManager();
108 fieldMgr->SetDetectorField(myField);
109 fieldMgr->CreateChordFinder(myField);
110 fieldIsInitialized = true;
111 }
112
113 //-------------------------------------------------------------------------
114 // Materials
115 //-------------------------------------------------------------------------
116 DefineMaterials();
117
118 //-------------------------------------------------------------------------
119 // Detector geometry
120 //-------------------------------------------------------------------------
121
122 //------------------------------ experimental hall
123 G4Box* experimentalHall_box = new G4Box("expHall_b", fexpHall_x, fexpHall_y, fexpHall_z);
124 G4LogicalVolume* experimentalHall_log =
125 new G4LogicalVolume(experimentalHall_box, fAir, "expHall_L", 0, 0, 0);
126 G4VPhysicalVolume* experimentalHall_phys =
127 new G4PVPlacement(0, G4ThreeVector(), experimentalHall_log, "expHall_P", 0, false, 0);
128 G4VisAttributes* experimentalHallVisAtt = new G4VisAttributes(G4Colour(1., 1., 1.));
129 experimentalHallVisAtt->SetForceWireframe(true);
130 experimentalHall_log->SetVisAttributes(experimentalHallVisAtt);
131
132 //------------------------------ tracker
133 G4VSolid* tracker_tubs = new G4Tubs("trkTubs_tubs", ftrkTubs_rmin, ftrkTubs_rmax, ftrkTubs_dz,
134 ftrkTubs_sphi, ftrkTubs_dphi);
135 G4LogicalVolume* tracker_log = new G4LogicalVolume(tracker_tubs, fAr, "trackerT_L", 0, 0, 0);
136 // G4VPhysicalVolume * tracker_phys =
137 new G4PVPlacement(0, G4ThreeVector(), tracker_log, "tracker_phys", experimentalHall_log, false,
138 0);
139 G4VisAttributes* tracker_logVisAtt = new G4VisAttributes(G4Colour(1.0, 0.0, 1.0));
140 tracker_logVisAtt->SetForceWireframe(true);
141 tracker_log->SetVisAttributes(tracker_logVisAtt);
142
143 //------------------------------ tracker layers
144 // As an example for Parameterised volume
145 // dummy values for G4Tubs -- modified by parameterised volume
146 G4VSolid* trackerLayer_tubs = new G4Tubs("trackerLayer_tubs", ftrkTubs_rmin, ftrkTubs_rmax,
147 ftrkTubs_dz, ftrkTubs_sphi, ftrkTubs_dphi);
148 G4LogicalVolume* trackerLayer_log =
149 new G4LogicalVolume(trackerLayer_tubs, fSilicon, "trackerB_L", 0, 0, 0);
150 G4VPVParameterisation* trackerParam = new ExN04TrackerParametrisation;
151 // dummy value : kXAxis -- modified by parameterised volume
152 // G4VPhysicalVolume *trackerLayer_phys =
153 new G4PVParameterised("trackerLayer_phys", trackerLayer_log, tracker_log, kXAxis, fnotrkLayers,
154 trackerParam);
155 G4VisAttributes* trackerLayer_logVisAtt = new G4VisAttributes(G4Colour(0.5, 0.0, 1.0));
156 trackerLayer_logVisAtt->SetForceWireframe(true);
157 trackerLayer_log->SetVisAttributes(trackerLayer_logVisAtt);
158
159 //------------------------------ calorimeter
160 G4VSolid* calorimeter_tubs = new G4Tubs("calorimeter_tubs", fcaloTubs_rmin, fcaloTubs_rmax,
161 fcaloTubs_dz, fcaloTubs_sphi, fcaloTubs_dphi);
162 G4LogicalVolume* calorimeter_log =
163 new G4LogicalVolume(calorimeter_tubs, fScinti, "caloT_L", 0, 0, 0);
164 // G4VPhysicalVolume * calorimeter_phys =
165 new G4PVPlacement(0, G4ThreeVector(), calorimeter_log, "caloM_P", experimentalHall_log, false, 0);
166 G4VisAttributes* calorimeter_logVisATT = new G4VisAttributes(G4Colour(1.0, 1.0, 0.0));
167 calorimeter_logVisATT->SetForceWireframe(true);
168 calorimeter_log->SetVisAttributes(calorimeter_logVisATT);
169
170 //------------------------------- Lead layers
171 // As an example for Parameterised volume
172 // dummy values for G4Tubs -- modified by parameterised volume
173 G4VSolid* caloLayer_tubs = new G4Tubs("caloLayer_tubs", fcaloRing_rmin, fcaloRing_rmax,
174 fcaloRing_dz, fcaloRing_sphi, fcaloRing_dphi);
175 G4LogicalVolume* caloLayer_log = new G4LogicalVolume(caloLayer_tubs, fLead, "caloR_L", 0, 0, 0);
176 G4VPVParameterisation* calorimeterParam = new ExN04CalorimeterParametrisation;
177 // dummy value : kXAxis -- modified by parameterised volume
178 // G4VPhysicalVolume * caloLayer_phys =
179 new G4PVParameterised("caloLayer_phys", caloLayer_log, calorimeter_log, kXAxis, fnocaloLayers,
180 calorimeterParam);
181 G4VisAttributes* caloLayer_logVisAtt = new G4VisAttributes(G4Colour(0.7, 1.0, 0.0));
182 caloLayer_logVisAtt->SetForceWireframe(true);
183 caloLayer_log->SetVisAttributes(caloLayer_logVisAtt);
184
185 //------------------------------ muon counters
186 // As an example of CSG volumes with rotation
187 G4VSolid* muoncounter_box =
188 new G4Box("muoncounter_box", fmuBox_width, fmuBox_thick, fmuBox_length);
189 G4LogicalVolume* muoncounter_log =
190 new G4LogicalVolume(muoncounter_box, fScinti, "mucounter_L", 0, 0, 0);
191 G4VPhysicalVolume* muoncounter_phys;
192 for (G4int i = 0; i < fnomucounter; i++) {
193 G4double phi, x, y, z;
194 phi = 360. * deg / fnomucounter * i;
195 x = fmuBox_radius * std::sin(phi);
196 y = fmuBox_radius * std::cos(phi);
197 z = 0. * cm;
198 G4RotationMatrix rm;
199 rm.rotateZ(phi);
200 muoncounter_phys = new G4PVPlacement(G4Transform3D(rm, G4ThreeVector(x, y, z)), muoncounter_log,
201 "muoncounter_P", experimentalHall_log, false, i);
202 }
203 G4VisAttributes* muoncounter_logVisAtt = new G4VisAttributes(G4Colour(0.0, 1.0, 1.0));
204 muoncounter_logVisAtt->SetForceWireframe(true);
205 muoncounter_log->SetVisAttributes(muoncounter_logVisAtt);
206
207 //------------------------------------------------------------------
208 // Sensitive Detector
209 //------------------------------------------------------------------
210
211 G4SDManager* SDman = G4SDManager::GetSDMpointer();
212
213 G4String trackerSDname = "/mydet/tracker";
214 ExN04TrackerSD* trackerSD = new ExN04TrackerSD(trackerSDname);
215 SDman->AddNewDetector(trackerSD);
216 trackerLayer_log->SetSensitiveDetector(trackerSD);
217
218 G4String calorimeterSDname = "/mydet/calorimeter";
219 ExN04CalorimeterSD* calorimeterSD = new ExN04CalorimeterSD(calorimeterSDname);
220 G4String ROgeometryName = "CalorimeterROGeom";
221 G4VReadOutGeometry* calRO = new ExN04CalorimeterROGeometry(ROgeometryName);
222 calRO->BuildROGeometry();
223 calorimeterSD->SetROgeometry(calRO);
224 SDman->AddNewDetector(calorimeterSD);
225 calorimeter_log->SetSensitiveDetector(calorimeterSD);
226
227 G4String muonSDname = "/mydet/muon";
228 ExN04MuonSD* muonSD = new ExN04MuonSD(muonSDname);
229 SDman->AddNewDetector(muonSD);
230 muoncounter_log->SetSensitiveDetector(muonSD);
231
232 //------------------------------------------------------------------
233 // Digitizer modules
234 //------------------------------------------------------------------
235
236 return experimentalHall_phys;
237 }
238