testE03a.cxx File Reference

#include "Ex03MCApplication.h"
#include "TROOT.h"
#include <iostream>
#include <string>

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Functions
int	main (int argc, char **argv)
	Application main program.

Function Documentation

main()

int main	(	int	argc,
		char **	argv )

Application main program.

Definition at line 146 of file testE03a.cxx.

{
  // Initialize Root threading.
  // (Multi-threading is triggered automatically if Geant4 was built
  //  in MT mode.)
#ifdef G4MULTITHREADED
  ROOT::EnableThreadSafety();
#endif
 
  // Process arguments
  // This code is generic with the exception of the start values and
  // the program name
#ifdef USE_GEANT4
  std::string g4Geometry = "geomRootToGeant4";
  std::string g4PhysicsList = "FTFP_BERT";
  std::string g4SpecialPhysics = "stepLimiter";
  std::string g4Macro = "g4config.in";
  std::string g4VisMacro = "g4vis.in";
  std::string g4Session = "";
  std::string g4UserClass = "";
#endif
#ifdef USE_GEANT3
  std::string g3Geometry = "TGeant3TGeo";
#endif
  std::string rootMacro = "";
  std::string verbose = "yes";
  std::string useAssemblies = "no";
 
  for (Int_t i = 1; i < argc; i = i + 2) {
    std::cout << "processing " << argv[i] << " with " << argv[i + 1]
              << std::endl;
#ifdef USE_GEANT4
    if (std::string(argv[i]) == "--g4-geometry" ||
        std::string(argv[i]) == "-g4g")
      g4Geometry = argv[i + 1];
    else if (std::string(argv[i]) == "--g4-physics-list" ||
             std::string(argv[i]) == "-g4pl")
      g4PhysicsList = argv[i + 1];
    else if (std::string(argv[i]) == "--g4-special-physics" ||
             std::string(argv[i]) == "-g4sp")
      g4SpecialPhysics = argv[i + 1];
    else if (std::string(argv[i]) == "--g4-macro" ||
             std::string(argv[i]) == "-g4m")
      g4Macro = argv[i + 1];
    else if (std::string(argv[i]) == "--g4-vis-macro" ||
             std::string(argv[i]) == "-g4vm")
      g4VisMacro = argv[i + 1];
    else if (std::string(argv[i]) == "--g4-session" ||
             std::string(argv[i]) == "-g4s")
      g4Session = argv[i + 1];
    // the following option is specific to use of Geant4 dependent classes
    else if (std::string(argv[i]) == "--g4-user-class" ||
             std::string(argv[i]) == "-g4uc")
      g4UserClass = argv[i + 1];
#endif
#ifdef USE_GEANT3
    if (std::string(argv[i]) == "--g3-geometry" ||
        std::string(argv[i]) == "-g3g")
      g3Geometry = argv[i + 1];
#endif
    else if (std::string(argv[i]) == "--root-macro" ||
             std::string(argv[i]) == "-rm")
      rootMacro = argv[i + 1];
    else if (std::string(argv[i]) == "--verbose" ||
             std::string(argv[i]) == "-v")
      verbose = argv[i + 1];
    else if (std::string(argv[i]) == "--use-assemblies" ||
             std::string(argv[i]) == "-a")
      useAssemblies = argv[i + 1];
    else {
      PrintUsage("testE03");
      return 1;
    }
  }
 
  if (useAssemblies != "yes" && useAssemblies != "no") {
    PrintUsage("testE03");
    return 1;
  }
 
  if (verbose == "yes") {
#ifdef USE_GEANT4
    PrintG4Configuration("testE03", g4Geometry, g4PhysicsList, g4SpecialPhysics,
      g4Macro, g4VisMacro, g4Session, g4UserClass, rootMacro);
#endif
#ifdef USE_GEANT3
    PrintG3Configuration("testE03", g3Geometry, rootMacro);
#endif
  }
  //
  // end of code to process arguments
 
  // Create MC application (thread local)
  Ex03MCApplication* appl =
    new Ex03MCApplication("ExampleE03", "The exampleE03 MC application");
 
  if (useAssemblies == "yes") {
    appl->GetDetectorConstruction()->SetUseAssemblies(kTRUE);
  }
 
#ifdef USE_GEANT4
  if (g4Geometry.find("VMC") != std::string::npos) {
    appl->SetOldGeometry(true);
  }
#endif
#ifdef USE_GEANT3
  if (g3Geometry == "TGeant3") {
    appl->SetOldGeometry(true);
  }
#endif
 
#ifdef USE_GEANT4
  // RunConfiguration for Geant4
  TG4RunConfiguration* runConfiguration = 0;
  if (!g4UserClass.size()) {
    runConfiguration =
      new TG4RunConfiguration(g4Geometry, g4PhysicsList, g4SpecialPhysics);
  }
  else if (g4UserClass == "geometry") {
    runConfiguration =
      new Ex03RunConfiguration1(g4PhysicsList, g4SpecialPhysics);
  }
  else if (g4UserClass == "physics-list") {
    runConfiguration = new Ex03RunConfiguration2(g4Geometry, g4SpecialPhysics);
  }
  else if (g4UserClass == "regions") {
    runConfiguration =
      new Ex03RunConfiguration3(g4Geometry, g4PhysicsList, g4SpecialPhysics);
  }
  else if (g4UserClass == "field") {
    runConfiguration =
      new Ex03RunConfiguration4(g4Geometry, g4PhysicsList, g4SpecialPhysics);
  }
  else {
    PrintUsage("testE03");
    return 1;
  }
 
  // TGeant4
  TGeant4* geant4 = new TGeant4(
    "TGeant4", "The Geant4 Monte Carlo", runConfiguration, argc, argv);
 
  // Customise Geant4 setting
  // (verbose level, global range cut, ..)
  if (g4Macro.size()) {
    geant4->ProcessGeantMacro(g4Macro.data());
  }
#endif
 
#ifdef USE_GEANT3
  if (g3Geometry == "TGeant3") {
    new TGeant3("C++ Interface to Geant3");
  }
  else if (g3Geometry == "TGeant3TGeo") {
    new TGeant3TGeo("C++ Interface to Geant3");
  }
  else {
    PrintUsage("testE03");
    return 1;
  }
  gMC->SetProcess("DRAY", 1);
  gMC->SetProcess("LOSS", 1);
  gMC->SetProcess("HADR", 0);
#endif
 
  // Run example
  if (!rootMacro.size()) {
    appl->InitMC("");
#ifdef USE_GEANT4
    // Setting Geant4 visualization
    if (g4VisMacro.size()) {
      geant4->ProcessGeantMacro(g4VisMacro.data());
    }
#endif
    appl->RunMC(5);
  }
  else {
    // Run from Root macro
    gROOT->Macro(rootMacro.data());
  }
 
  delete appl;
}