radioactivedecay/rdecay01/rdecay01.cc

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0025 //
0026 /// \file rdecay01.cc
0027 /// \brief Main program of the radioactivedecay/rdecay01 example
0028
0029 #include "ActionInitialization.hh"
0030 #include "DetectorConstruction.hh"
0031 #include "PhysicsList.hh"
0032
0033 #include "G4RunManagerFactory.hh"
0034 #include "G4SteppingVerbose.hh"
0035 #include "G4Types.hh"
0036 #include "G4UIExecutive.hh"
0037 #include "G4UImanager.hh"
0038 #include "G4VisExecutive.hh"
0039 #include "Randomize.hh"
0040
0041 int main(int argc, char** argv)
0042 {
0043   // detect interactive mode (if no arguments) and define UI session
0044   G4UIExecutive* ui = 0;
0045   if (argc == 1) ui = new G4UIExecutive(argc, argv);
0046
0047   // use G4SteppingVerboseWithUnits
0048   G4int precision = 4;
0049   G4SteppingVerbose::UseBestUnit(precision);
0050
0051   // construct the run manager
0052   auto runManager = G4RunManagerFactory::CreateRunManager();
0053   if (argc == 3) {
0054     G4int nThreads = G4UIcommand::ConvertToInt(argv[2]);
0055     runManager->SetNumberOfThreads(nThreads);
0056   }
0057
0058   // set mandatory initialization classes
0059   //
0060   runManager->SetUserInitialization(new DetectorConstruction);
0061   runManager->SetUserInitialization(new PhysicsList);
0062
0063   runManager->SetUserInitialization(new ActionInitialization);
0064
0065   // initialize G4 kernel
0066   runManager->Initialize();
0067
0068   // initialize visualization
0069   G4VisManager* visManager = nullptr;
0070
0071   // get the pointer to the User Interface manager
0072   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0073
0074   if (ui) {
0075     // interactive mode
0076     visManager = new G4VisExecutive;
0077     visManager->Initialize();
0078     UImanager->ApplyCommand("/control/execute vis.mac");
0079     ui->SessionStart();
0080     delete ui;
0081   }
0082   else {
0083     // batch mode
0084     G4String command = "/control/execute ";
0085     G4String fileName = argv[1];
0086     UImanager->ApplyCommand(command + fileName);
0087   }
0088
0089   // job termination
0090   delete visManager;
0091   delete runManager;
0092 }