dicom2.cc

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/// \file dicom2.cc
/// \brief Main program of the Dicom2 example
 
#include "G4Types.hh"
#include "G4RunManagerFactory.hh"
#include "G4UImanager.hh"
#include "G4GenericPhysicsList.hh"
#include "G4tgrMessenger.hh"
#include "G4VisExecutive.hh"
#include "G4UIExecutive.hh"
#include "G4Timer.hh"
#include "globals.hh"
#include "Randomize.hh"
#include "Shielding.hh"
#include "QGSP_BIC.hh"
#include "QBBC.hh"
 
#include "DicomRegularDetectorConstruction.hh"
#include "DicomNestedParamDetectorConstruction.hh"
#include "DicomPartialDetectorConstruction.hh"
#include "Dicom2ActionInitialization.hh"
#include "DicomIntersectVolume.hh"
#ifdef G4_DCMTK
#   include "DicomFileMgr.hh"
#else
#   include "DicomHandler.hh"
#endif
 
 
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int main(int argc,char** argv)
{
    // Detect interactive mode (if no arguments) and define UI session
    //
    G4UIExecutive* ui = 0;
    if (argc == 1)
        ui = new G4UIExecutive(argc, argv);
 
    new G4tgrMessenger;
    char* part = std::getenv("DICOM_PARTIAL_PARAM");
    G4bool bPartial = (part && G4String(part) == "1") ? true : false;
 
    CLHEP::HepRandom::setTheEngine(new CLHEP::MixMaxRng);
    CLHEP::HepRandom::setTheSeed(G4long(24534575684783));
    G4long seeds[2];
    seeds[0] = G4long(534524575674523);
    seeds[1] = G4long(526345623452457);
    CLHEP::HepRandom::setTheSeeds(seeds);
 
    // Construct the default run manager
    G4int nthreads = G4GetEnv<G4int>("DICOM_NTHREADS", G4Thread::hardware_concurrency());
    auto* runManager = G4RunManagerFactory::CreateRunManager();
    runManager->SetNumberOfThreads(nthreads);
 
    G4cout << "\n\n\tDICOM2 running with "
           << runManager->GetNumberOfThreads()
           << " threads\n\n" << G4endl;
 
    DicomDetectorConstruction* theGeometry = 0;
 
#ifdef G4_DCMTK
    DicomFileMgr* theFileMgr = 0;
#else
    DicomHandler* dcmHandler = 0;
#endif
 
    if( !bPartial )
    {
#ifdef G4_DCMTK
        G4String inpfile = "Data.dat";
        char* env_inpfile = std::getenv("DICOM_INPUT_FILE");
        if(env_inpfile)
            inpfile = env_inpfile;
 
        theFileMgr = DicomFileMgr::GetInstance();
        theFileMgr->Convert(inpfile);
#else
        // Treatment of DICOM images before creating the G4runManager
        dcmHandler = DicomHandler::Instance();
        dcmHandler->CheckFileFormat();
#endif
 
        // Initialisation of physics, geometry, primary particles ...
        char* nest = std::getenv( "DICOM_NESTED_PARAM" );
        if( nest && G4String(nest) == "1" ) {
            theGeometry = new DicomNestedParamDetectorConstruction();
        } else {
            theGeometry = new DicomRegularDetectorConstruction();
        }
    } else {
        theGeometry = new DicomPartialDetectorConstruction();
    }
    runManager->SetUserInitialization(theGeometry);
 
    //    std::vector<G4String>* MyConstr = new std::vector<G4String>;
    //    MyConstr->push_back("G4EmStandardPhysics");
    //    G4VModularPhysicsList* phys = new G4GenericPhysicsList(MyConstr);
    G4VModularPhysicsList* phys = new Shielding();
    phys->SetDefaultCutValue(0.5*CLHEP::mm);
    runManager->SetUserInitialization(phys);
 
    // User action initialization
    runManager->SetUserInitialization(new Dicom2ActionInitialization());
 
    runManager->Initialize();
 
    new DicomIntersectVolume();
 
    // Initialize visualization
    //
    G4VisManager* visManager = new G4VisExecutive;
    // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
    // G4VisManager* visManager = new G4VisExecutive("Quiet");
    visManager->Initialize();
 
    // Get the pointer to the User Interface manager
    G4UImanager* UImanager = G4UImanager::GetUIpointer();
 
    G4Timer t;
    t.Start();
 
    // Process macro or start UI session
    //
    if ( ! ui ) {
        // batch mode
        G4String command = "/control/execute ";
        G4String fileName = argv[1];
        UImanager->ApplyCommand(command+fileName);
    }
    else {
        // interactive mode
        UImanager->ApplyCommand("/control/execute vis.mac");
        ui->SessionStart();
        delete ui;
    }
 
    t.Stop();
 
    // Job termination
    // Free the store: user actions, physics_list and detector_description are
    // owned and deleted by the run manager, so they should not be deleted
    // in the main() program !
 
    delete visManager;
    delete runManager;
 
    if( !bPartial )
    {
#ifdef G4_DCMTK
        delete theFileMgr;
#endif
    }
 
    G4cout << "\n[" << argv[0] << "] Primary execution time: " << t << "\n"
           << G4endl;
}
 
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