radioactivedecay/rdecay01/rdecay01.cc

0001 //
0002 // ********************************************************************
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0025 //
0026 /// \file rdecay01.cc
0027 /// \brief Main program of the radioactivedecay/rdecay01 example
0028 //
0029 //
0030 //
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0033
0034 #include "ActionInitialization.hh"
0035 #include "DetectorConstruction.hh"
0036 #include "PhysicsList.hh"
0037
0038 #include "G4RunManagerFactory.hh"
0039 #include "G4SteppingVerbose.hh"
0040 #include "G4Types.hh"
0041 #include "G4UIExecutive.hh"
0042 #include "G4UImanager.hh"
0043 #include "G4VisExecutive.hh"
0044 #include "Randomize.hh"
0045
0046 int main(int argc, char** argv)
0047 {
0048   // detect interactive mode (if no arguments) and define UI session
0049   G4UIExecutive* ui = 0;
0050   if (argc == 1) ui = new G4UIExecutive(argc, argv);
0051
0052   // use G4SteppingVerboseWithUnits
0053   G4int precision = 4;
0054   G4SteppingVerbose::UseBestUnit(precision);
0055
0056   // construct the run manager
0057   auto runManager = G4RunManagerFactory::CreateRunManager();
0058   if (argc == 3) {
0059     G4int nThreads = G4UIcommand::ConvertToInt(argv[2]);
0060     runManager->SetNumberOfThreads(nThreads);
0061   }
0062
0063   // set mandatory initialization classes
0064   //
0065   runManager->SetUserInitialization(new DetectorConstruction);
0066   runManager->SetUserInitialization(new PhysicsList);
0067
0068   runManager->SetUserInitialization(new ActionInitialization);
0069
0070   // initialize G4 kernel
0071   runManager->Initialize();
0072
0073   // initialize visualization
0074   G4VisManager* visManager = nullptr;
0075
0076   // get the pointer to the User Interface manager
0077   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0078
0079   if (ui) {
0080     // interactive mode
0081     visManager = new G4VisExecutive;
0082     visManager->Initialize();
0083     UImanager->ApplyCommand("/control/execute vis.mac");
0084     ui->SessionStart();
0085     delete ui;
0086   }
0087   else {
0088     // batch mode
0089     G4String command = "/control/execute ";
0090     G4String fileName = argv[1];
0091     UImanager->ApplyCommand(command + fileName);
0092   }
0093
0094   // job termination
0095   delete visManager;
0096   delete runManager;
0097 }