eventgenerator/exgps/exgps.cc

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0025 //
0026 /// \file exgps.cc
0027 /// \brief Main program of the eventgenerator/exgps example
0028
0029 #include "ActionInitialization.hh"
0030 #include "GeometryConstruction.hh"
0031 #include "PhysicsList.hh"
0032
0033 #include "G4RunManagerFactory.hh"
0034 #include "G4Types.hh"
0035 #include "G4UIExecutive.hh"
0036 #include "G4UImanager.hh"
0037 #include "G4VisExecutive.hh"
0038
0039 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
0040
0041 int main(int argc, char** argv)
0042 {
0043   // detect interactive mode (if no arguments) and define UI session
0044   G4UIExecutive* ui = nullptr;
0045   if (argc == 1) ui = new G4UIExecutive(argc, argv);
0046
0047   // Construct the default run manager
0048   auto* runManager = G4RunManagerFactory::CreateRunManager();
0049   G4int nThreads = G4Threading::G4GetNumberOfCores();
0050   if (argc == 3) nThreads = G4UIcommand::ConvertToInt(argv[2]);
0051   runManager->SetNumberOfThreads(nThreads);
0052
0053   // set mandatory initialization classes
0054   GeometryConstruction* detector = new GeometryConstruction;
0055   runManager->SetUserInitialization(detector);
0056   runManager->SetUserInitialization(new PhysicsList);
0057
0058   runManager->SetUserInitialization(new ActionInitialization);
0059
0060   // initialize visualization
0061   G4VisManager* visManager = nullptr;
0062
0063   // get the pointer to the User Interface manager
0064   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0065
0066   if (ui) {
0067     // interactive mode
0068     visManager = new G4VisExecutive;
0069     visManager->Initialize();
0070     UImanager->ApplyCommand("/control/execute vis.mac");
0071     ui->SessionStart();
0072     delete ui;
0073   }
0074   else {
0075     // batch mode
0076     G4String command = "/control/execute ";
0077     G4String fileName = argv[1];
0078     UImanager->ApplyCommand(command + fileName);
0079   }
0080
0081   // job termination
0082   delete visManager;
0083   delete runManager;
0084 }
0085
0086 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....