LArSoft  v09_90_00
Liquid Argon Software toolkit - https://larsoft.org/
TestEm8.cc File Reference

Main program of the electromagnetic/TestEm8 example. More...

#include "G4RunManager.hh"
#include "G4MTRunManager.hh"
#include "G4UImanager.hh"
#include "G4UIcommand.hh"
#include "Randomize.hh"
#include "DetectorConstruction.hh"
#include "PhysicsList.hh"
#include "ActionInitialization.hh"
#include "G4UIExecutive.hh"
#include "G4VisExecutive.hh"

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Functions

int main (int argc, char **argv)
 

Detailed Description

Main program of the electromagnetic/TestEm8 example.

Definition in file TestEm8.cc.

Function Documentation

int main ( int  argc,
char **  argv 
)

Definition at line 48 of file TestEm8.cc.

48  {
49 
50  //detect interactive mode (if no arguments) and define UI session
51  G4UIExecutive* ui = nullptr;
52  if (argc == 1) { ui = new G4UIExecutive(argc,argv); }
53 
54  //choose the Random engine
55  CLHEP::HepRandom::setTheEngine(new CLHEP::MixMaxRng);
56 
57 #ifdef G4MULTITHREADED
58  G4MTRunManager* runManager = new G4MTRunManager;
59  // Number of threads can be defined via 3rd argument
60  G4int nThreads = 2;
61  if (argc==3) {
62  if(G4String(argv[2]) == "NMAX") {
63  nThreads = G4Threading::G4GetNumberOfCores();
64  } else {
65  nThreads = G4UIcommand::ConvertToInt(argv[2]);
66  }
67  } else if(argc==1) {
68  nThreads = 1;
69  }
70  if (nThreads > 0) { runManager->SetNumberOfThreads(nThreads); }
71  G4cout << "===== TestEm8 is started with "
72  << runManager->GetNumberOfThreads() << " threads =====" << G4endl;
73 #else
74  G4RunManager* runManager = new G4RunManager;
75 #endif
76 
77  //set mandatory initialization classes
79  runManager->SetUserInitialization(det);
80  runManager->SetUserInitialization(new PhysicsList(det));
81 
82  //set user action classes
83  runManager->SetUserInitialization(new ActionInitialization());
84 
85  //initialize visualization
86  G4VisManager* visManager = nullptr;
87 
88  //get the pointer to the User Interface manager
89  G4UImanager* UImanager = G4UImanager::GetUIpointer();
90 
91  if (ui) {
92  //interactive mode
93  visManager = new G4VisExecutive();
94  visManager->Initialize();
95  ui->SessionStart();
96  delete ui;
97  } else {
98  //batch mode
99  G4String command = "/control/execute ";
100  G4String fileName = argv[1];
101  UImanager->ApplyCommand(command+fileName);
102  }
103 
104  //job termination
105  delete visManager;
106  delete runManager;
107 }
TConfigurablePhysicsList< ModularPhysicsList > PhysicsList
Definition: PhysicsList.h:83