| Geant4 Cross Reference |
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 #include "DetectorConstruction.hh"
27
28 #include "HGCalTBMaterials.hh"
29 #include "SiPMSD.hh"
30 #include "SiliconPixelSD.hh"
31 #include "DetectorConstruction0.hh"
32 #include "DetectorConstruction1.hh"
33 #include "DetectorConstruction2.hh"
34
35 #include "G4Box.hh"
36 #include "G4PVPlacement.hh"
37 #include "G4GenericMessenger.hh"
38 #include "G4LogicalVolume.hh"
39 #include "G4ProductionCuts.hh"
40 #include "G4RunManager.hh"
41 #include "G4SDManager.hh"
42 #include "G4UImanager.hh"
43 #include "G4UserLimits.hh"
44 #include "G4String.hh"
45
46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47
48 DetectorConstruction::DetectorConstruction()
49 : G4VUserDetectorConstruction(), fConfiguration(-1) {
50 DefineCommands();
51 }
52
53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
54
55 DetectorConstruction::~DetectorConstruction() {}
56
57 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
58
59 G4VPhysicalVolume *DetectorConstruction::Construct() {
60 // definition of the fMaterials
61 fMaterials = new HGCalTBMaterials();
62 fMaterials->SetEventDisplayColorScheme();
63
64 /***** Definition of the world = beam line *****/
65
66 // World = Beam line
67 G4Box *solidWorld = new G4Box("World", 0.5 * fMaterials->GetBeamLineXY(),
68 0.5 * fMaterials->GetBeamLineXY(),
69 0.5 * fMaterials->GetBeamLineLength());
70
71 G4Material *world_mat = fMaterials->GetAir();
72 fLogicWorld = new G4LogicalVolume(solidWorld, world_mat, "World");
73
74 G4VPhysicalVolume *physWorld = new G4PVPlacement(
75 0, G4ThreeVector(0., 0., 0.), fLogicWorld, "World", 0, false, 0, true);
76
77 return physWorld;
78 }
79
80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
81
82 void DetectorConstruction::ConstructHGCal() {
83
84 G4double z0 = -fMaterials->GetBeamLineLength() / 2.;
85
86 std::cout << "Constructing configuration " << fConfiguration << std::endl;
87
88 /***** START GENERIC PLACEMENT ALGORITHM FOR THE SETUP *****/
89 for (size_t item_index = 0; item_index < fElementsMap.size(); item_index++) {
90 std::string item_type = fElementsMap[item_index].first;
91 G4double dz = fElementsMap[item_index].second;
92 z0 += dz;
93
94 // places the item at inside the world at z0, z0 is incremented by the
95 // item's thickness
96 fMaterials->PlaceItemInLogicalVolume(item_type, z0, fLogicWorld);
97 }
98
99 G4RunManager::GetRunManager()->GeometryHasBeenModified();
100 G4UImanager *UImanager = G4UImanager::GetUIpointer();
101 UImanager->ApplyCommand("/vis/drawVolume");
102 UImanager->ApplyCommand("/vis/viewer/set/targetPoint 0 0 " +
103 std::to_string(fVisViewpoint / CLHEP::m) + " m");
104 UImanager->ApplyCommand("/vis/scene/add/trajectories smooth");
105 UImanager->ApplyCommand("/vis/scene/add/hits");
106 }
107
108 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
109
110 void DetectorConstruction::ConstructSDandField() {
111 G4SDManager *sdman = G4SDManager::GetSDMpointer();
112
113 SiliconPixelSD *sensitiveSilicon = new SiliconPixelSD(
114 (fMaterials->GetSiPixelLogical()->GetName() + "_sensitive").c_str());
115 sdman->AddNewDetector(sensitiveSilicon);
116 fMaterials->GetSiPixelLogical()->SetSensitiveDetector(sensitiveSilicon);
117
118 SiPMSD *sensitiveSiPM = new SiPMSD(
119 (fMaterials->GetAHCALSiPMlogical()->GetName() + "_sensitive").c_str());
120 sdman->AddNewDetector(sensitiveSiPM);
121 fMaterials->GetAHCALSiPMlogical()->SetSensitiveDetector(sensitiveSiPM);
122 }
123
124 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
125
126 void DetectorConstruction::SelectConfiguration(G4int val) {
127
128 if (fConfiguration != -1) {
129 G4ExceptionDescription msg;
130 msg << "Configuration " << fConfiguration << " is already placed.\n"
131 << "Configuration can be set only once. Please restart (and\n"
132 << "edit your macro if necessary).\n";
133 G4Exception("DetectorConstruction::SelectConfiguration()", "MultipleConfig",
134 JustWarning, msg);
135 return;
136 }
137
138 fVisViewpoint = 0;
139 if (val == 0)
140 DetectorConstruction0(fElementsMap, fVisViewpoint);
141 else if (val == 1)
142 DetectorConstruction1(fElementsMap, fVisViewpoint);
143 else if (val == 2)
144 DetectorConstruction2(fElementsMap, fVisViewpoint);
145 else {
146 G4ExceptionDescription msg;
147 msg << "Configuration " << val << " is not implemented.\n"
148 << "Choose between configuration 0, 1, and 2.\n";
149 G4Exception("DetectorConstruction::SelectConfiguration()", "WrongConfig",
150 JustWarning, msg);
151 return;
152 }
153 fConfiguration = val;
154
155 ConstructHGCal();
156 }
157
158 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
159
160 void DetectorConstruction::SetStepSizeSilicon(G4double val) {
161 // setting the step size in silicon:
162 G4double maxTrackLength = val * 0.001 * CLHEP::mm;
163 fMaterials->GetSiPixelLogical()->SetUserLimits(
164 new G4UserLimits(0, maxTrackLength));
165
166 G4Region *reg = fMaterials->GetSiPixelLogical()->GetRegion();
167 G4ProductionCuts *cuts = new G4ProductionCuts;
168 cuts->SetProductionCut(maxTrackLength);
169 reg->SetProductionCuts(cuts);
170 }
171
172 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
173
174 void DetectorConstruction::DefineCommands() {
175 // define command directory using generic messenger class
176 fMessenger = new G4GenericMessenger(this, "/HGCalTestbeam/setup/",
177 "Configuration specifications");
178
179 // configuration command
180 auto &configCmd = fMessenger->DeclareMethod(
181 "configuration", &DetectorConstruction::SelectConfiguration,
182 "Select the configuration (0 for HGCal test beam, 1 for same HGCal"
183 " with beamline (upstream material), or 2 for simple test setup)");
184 configCmd.SetParameterName("index", true);
185 configCmd.SetDefaultValue("0");
186
187 auto &SiStepSizeCmd = fMessenger->DeclareMethod(
188 "stepSilicon", &DetectorConstruction::SetStepSizeSilicon,
189 "Maximum step size in silicon pixels, unit: microns");
190 SiStepSizeCmd.SetParameterName("size", true);
191 SiStepSizeCmd.SetDefaultValue("30.");
192 }
193
194 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
195