eventgenerator/exgps/exgps.cc

0001 //
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0025 //
0026 //
0027 /// \file eventgenerator/exgps/exgps.cc
0028 /// \brief Main program of the eventgenerator/exgps example
0029 //
0030 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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0032
0033 #include "ActionInitialization.hh"
0034 #include "GeometryConstruction.hh"
0035 #include "PhysicsList.hh"
0036
0037 #include "G4RunManagerFactory.hh"
0038 #include "G4Types.hh"
0039 #include "G4UIExecutive.hh"
0040 #include "G4UImanager.hh"
0041 #include "G4VisExecutive.hh"
0042
0043 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
0044
0045 int main(int argc, char** argv)
0046 {
0047   // detect interactive mode (if no arguments) and define UI session
0048   G4UIExecutive* ui = nullptr;
0049   if (argc == 1) ui = new G4UIExecutive(argc, argv);
0050
0051   // Construct the default run manager
0052   auto* runManager = G4RunManagerFactory::CreateRunManager();
0053   G4int nThreads = G4Threading::G4GetNumberOfCores();
0054   if (argc == 3) nThreads = G4UIcommand::ConvertToInt(argv[2]);
0055   runManager->SetNumberOfThreads(nThreads);
0056
0057   // set mandatory initialization classes
0058   GeometryConstruction* detector = new GeometryConstruction;
0059   runManager->SetUserInitialization(detector);
0060   runManager->SetUserInitialization(new PhysicsList);
0061
0062   runManager->SetUserInitialization(new ActionInitialization);
0063
0064   // initialize visualization
0065   G4VisManager* visManager = nullptr;
0066
0067   // get the pointer to the User Interface manager
0068   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0069
0070   if (ui) {
0071     // interactive mode
0072     visManager = new G4VisExecutive;
0073     visManager->Initialize();
0074     UImanager->ApplyCommand("/control/execute vis.mac");
0075     ui->SessionStart();
0076     delete ui;
0077   }
0078   else {
0079     // batch mode
0080     G4String command = "/control/execute ";
0081     G4String fileName = argv[1];
0082     UImanager->ApplyCommand(command + fileName);
0083   }
0084
0085   // job termination
0086   delete visManager;
0087   delete runManager;
0088 }
0089
0090 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....