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24 // ********************************************************************
25 //
26 //---------------------------------------------------------------------
27 //* |\___/| *
28 //* ) ( *
29 //* =\ /= *
30 //* )===( *
31 //* / \ CaTS: Calorimeter and Tracker Simulation *
32 //* | | is a flexible and extend-able framework *
33 //* / \ for the simulation of various detector *
34 //* \ / systems *
35 //* \__ _/ https://github.com/hanswenzel/CaTS *
36 //* ( ( *
37 //* ) ) *
38 //* (_( *
39 //* CaTS also serves as an example that demonstrates how to use *
40 //* opticks from within Geant4 for the creation and propagation of *
41 //* optical photons. *
42 //* see https://bitbucket.org/simoncblyth/opticks.git). *
43 //* Ascii Art by Joan Stark: https://www.asciiworld.com/-Cats-2-.html *
44 //---------------------------------------------------------------------
45 //
46 // ********************************************************************
47 //
48 // CaTS (Calorimetry and Tracking Simulation)
49 //
50 // Authors : Hans Wenzel
51 // Soon Yung Jun
52 // (Fermi National Accelerator Laboratory)
53 //
54 // History
55 // October 18th, 2021 : first implementation
56 //
57 // ********************************************************************
58 //
59 /// \file CaTS.cc
60 /// \brief main driver of CaTS
61 //
62 // project headers:
63 #include "ActionInitialization.hh"
64 #include "CaTSVersion.hh"
65 #include "ConfigurationManager.hh"
66 #include "DetectorConstruction.hh"
67 #include "PhysicsConfigurator.hh"
68 // Geant4 headers:
69 #include "G4RunManager.hh"
70 #include "G4RunManagerFactory.hh"
71 #include "G4Timer.hh"
72 #include "G4UIExecutive.hh"
73 #include "G4UImanager.hh"
74 #include "G4VModularPhysicsList.hh"
75 #include "G4VisExecutive.hh"
76 #include <G4Threading.hh>
77 #ifdef WITH_G4OPTICKS
78 # include "OPTICKS_LOG.hh"
79 #endif
80 #include "TROOT.h"
81 #include <thread>
82
83 int main(int argc, char** argv)
84 {
85 #ifdef G4MULTITHREADED
86 G4int nThreads = 0;
87 #endif
88 G4bool interactive = false;
89 G4String physicsconf = "";
90 G4String gdmlfile = "";
91 G4String macrofile = "";
92 G4UIExecutive* ui = nullptr;
93 for(G4int i = 1; i < argc; i = i + 2)
94 {
95 if(G4String(argv[i]) == "-g")
96 {
97 gdmlfile = argv[i + 1];
98 }
99 else if(G4String(argv[i]) == "-pl")
100 {
101 physicsconf = G4String(argv[i + 1]);
102 }
103 else if(G4String(argv[i]) == "-m")
104 {
105 macrofile = G4String(argv[i + 1]);
106 }
107 #ifdef G4MULTITHREADED
108 else if(G4String(argv[i]) == "-t")
109 {
110 nThreads = G4UIcommand::ConvertToInt(argv[i + 1]);
111 }
112 #endif
113 }
114 if(gdmlfile == "")
115 {
116 G4cout << "Error! Mandatory input file is not specified!" << G4endl;
117 G4cout << G4endl;
118 G4cout << G4endl;
119 G4cout << "Usage: CaTS -g input_gdml_file:mandatory" << G4endl;
120 G4cout << G4endl;
121 return -1;
122 }
123 G4cout
124 << G4endl
125 << "---------------------------------------------------------------------"
126 << G4endl
127 << "* |\\___/| "
128 "*"
129 << G4endl
130 << "* ) ( *"
131 << G4endl
132 << "* =\\ /= "
133 "*"
134 << G4endl
135 << "* )===( Welcome to: *"
136 << G4endl
137 << "* / \\ CaTS: Calorimeter and Tracker Simulation "
138 "*"
139 << G4endl
140 << "* | | a flexible and extend-able framework *"
141 << G4endl
142 << "* / \\ for the simulation of various detector "
143 "*"
144 << G4endl
145 << "* \\ / systems *"
146 << G4endl
147 << "* \\__ _/ https://github.com/hanswenzel/CaTS "
148 "*"
149 << G4endl
150 << "* ( ( *"
151 << G4endl << "* ) ) Version: " << CaTSVersion
152 << " *" << G4endl
153 << "* (_( Date: " << CaTSDate << " *"
154 << G4endl
155 << "---------------------------------------------------------------------"
156 << G4endl << G4endl;
157 if(physicsconf == "")
158 {
159 G4cout << "Warning! no physics configuration specified!" << G4endl;
160 G4cout << "Using default FTFP_BERT+OPTICAL+STEPLIMIT" << G4endl;
161 physicsconf = "FTFP_BERT+OPTICAL+STEPLIMIT";
162 G4cout << "Usage: CaTS -pl physicsconfiguration" << G4endl;
163 G4cout << G4endl;
164 }
165 if(macrofile == "")
166 {
167 G4cout << "Warning! no macro specified!" << G4endl;
168 G4cout << "assume interactive mode" << G4endl;
169 interactive = true;
170 ui = new G4UIExecutive(argc, argv);
171 G4cout << G4endl;
172 G4cout << G4endl;
173 G4cout << "Usage: CaTS -m macrofile" << G4endl;
174 G4cout << G4endl;
175 }
176 G4Timer* eventTimer = new G4Timer;
177 eventTimer->Start();
178 #ifdef WITH_G4OPTICKS
179 OPTICKS_LOG(argc, argv);
180 #endif
181 G4VModularPhysicsList* phys =
182 PhysicsConfigurator::getInstance()->Construct(physicsconf);
183 G4String DumpFilename = gdmlfile + "_G4";
184 ConfigurationManager::getInstance()->setGDMLFileName(DumpFilename);
185 DetectorConstruction* dc = new DetectorConstruction(gdmlfile);
186 // Run manager
187 auto* rm = G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
188
189 // G4RunManagerFactory::CreateRunManager(G4RunManagerType::SerialOnly);
190 #ifdef G4MULTITHREADED
191 // number of threads not set so use number of cores
192 if(nThreads == 0)
193 {
194 nThreads = G4Threading::G4GetNumberOfCores();
195 }
196 if(nThreads > 0)
197 {
198 rm->SetNumberOfThreads(nThreads);
199 }
200 #endif
201 rm->SetUserInitialization(dc);
202 rm->SetUserInitialization(phys);
203 ActionInitialization* actionInitialization = new ActionInitialization();
204 rm->SetUserInitialization(actionInitialization);
205 G4UImanager* UImanager = G4UImanager::GetUIpointer();
206 if(interactive)
207 {
208 G4VisManager* visManager = new G4VisExecutive;
209 visManager->Initialize();
210 UImanager->ApplyCommand("/control/execute init_vis.mac");
211 ui->SessionStart();
212 delete ui;
213 delete visManager;
214 }
215 else
216 {
217 // batch mode
218 G4String command = "/control/execute ";
219 UImanager->ApplyCommand(command + macrofile);
220
221 delete ui;
222 }
223 eventTimer->Stop();
224 double totalCPUTime =
225 eventTimer->GetUserElapsed() + eventTimer->GetSystemElapsed();
226 G4int precision_t = G4cout.precision(3);
227 std::ios::fmtflags flags_t = G4cout.flags();
228 G4cout.setf(std::ios::fixed, std::ios::floatfield);
229 G4cout << "TimeTotal> " << eventTimer->GetRealElapsed() << " " << totalCPUTime
230 << G4endl;
231 G4cout.setf(flags_t);
232 G4cout.precision(precision_t);
233 delete eventTimer;
234 delete rm;
235 return 0;
236 }
237