electronScattering2.cc File Reference

Main program of the medical/electronScattering2 example. More...

#include "G4RunManager.hh"
#include "Randomize.hh"
#include "G4ScoringManager.hh"
#include "G4UImanager.hh"
#include "ElectronBenchmarkDetector.hh"
#include "PhysicsList.hh"
#include "ElectronActionInitialization.hh"

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Functions
int	main (int argc, char **argv)

Detailed Description

Main program of the medical/electronScattering2 example.

Definition in file electronScattering2.cc.

Function Documentation

int main	(	int	argc,
		char **	argv
	)

Definition at line 55 of file electronScattering2.cc.

References G4UImanager::ApplyCommand(), G4cout, G4endl, G4ScoringManager::GetScoringManager(), G4UImanager::GetUIpointer(), G4VisManager::Initialize(), G4UIExecutive::SessionStart(), and G4RunManager::SetUserInitialization().

                               {
    
    // Parse the arguments
    G4String outputFile = "output.csv";
    G4String startingSeed = "1";
    G4String macroFile = "None";
    if (argc > 1) macroFile = argv[1];
    if (argc > 2) startingSeed = argv[2];
    if (argc > 3) outputFile = argv[3];
    G4cout << "Starting run with" << G4endl;
    G4cout << "Macro File    : " << macroFile << G4endl;
    G4cout << "Starting Seed : " << startingSeed << G4endl;
    G4cout << "Output File   : " << outputFile << G4endl;
    
    // Instantiate the run manager
#ifdef G4MULTITHREADED
    G4MTRunManager* runManager = new G4MTRunManager;
#else
    G4RunManager* runManager = new G4RunManager;
#endif

    // Instantiate the random engine
    G4Random::setTheEngine(new CLHEP::MTwistEngine);
    
    // Convert the starting seed to integer and feed it to the random engine
    unsigned startingSeedInt;
    std::istringstream is(startingSeed);
    is >> startingSeedInt;
    G4Random::setTheSeed(startingSeedInt);
    
    // Instantiate the scoring manager
    G4ScoringManager::GetScoringManager();
    
    // Instantiate the geometry
    runManager->SetUserInitialization(new ElectronBenchmarkDetector);
    
    // Instantiate the physics list (in turn calls one of four choices of physics list)
    runManager->SetUserInitialization(new PhysicsList);
    
    // set user action classes
    runManager->SetUserInitialization(new ElectronActionInitialization(outputFile));
    
    // Instantiate the visualization System
#ifdef G4VIS_USE
    G4VisManager* visManager = new G4VisExecutive;
    visManager->Initialize();
#endif
    
    if (argc == 1)
    {
        // Since no macro was specified, instantiate an interactive session (exact
        // (session type depends on user preference expressed in environment variables).
#ifdef G4UI_USE
        G4UIExecutive* ui = new G4UIExecutive(argc, argv);
        ui->SessionStart();
        delete ui;
#endif
    }
    else
    {
        // A macro was specified.  Execute it.
        G4UImanager* UImanager = G4UImanager::GetUIpointer();
        G4String command = "/control/execute ";
        UImanager->ApplyCommand(command+macroFile);
    }
    
#ifdef G4VIS_USE
    delete visManager;
#endif
    delete runManager;
    
    return 0;
}