// --------------------------------------------------------------------------
//
// Macro for local MVD reconstruction from MC data
//
// Tasks:  CbmMvdHitProducer
// 
//
// V. Friese   06/02/2007
//
// --------------------------------------------------------------------------
void mvd_qa3_digitize( const char* setup = "sis100_electron")
{

    // ========================================================================
    //          Adjust this part according to your requirements

    TString inDir   = gSystem->Getenv("VMCWORKDIR");

    TString outDir="data/";
    // Input file (MC events)
    TString inFile = outDir+ "mvd.mcQA.root";

    // Parameter file name
    TString parFile =outDir+ "params.root";

    // Output file
    TString outFile =outDir+ "mvd.rawQA.root";

    // Background file (MC events, for pile-up)
    TString bgFile = inFile;

    // Delta file (Au Ions)
    TString deltaFile =outDir+ "mvd.mcDelta.root";

    // Number of events to process
    Int_t nEvents = 5;

    // Verbosity level (0=quiet, 1=event level, 2=track level, 3=debug)
    Int_t iVerbose = 0;

    FairLogger* logger = FairLogger::GetLogger();
    logger->SetLogScreenLevel("INFO");
    logger->SetLogVerbosityLevel("LOW");


    TString setupFile = inDir + "/geometry/setup/setup_" + setup + ".C";
    TString setupFunct = "setup_";
    setupFunct = setupFunct + setup + "()";

    gROOT->LoadMacro(setupFile);
    gInterpreter->ProcessLine(setupFunct);

    // In general, the following parts need not be touched
    // ========================================================================


    // ----    Debug option   -------------------------------------------------
    gDebug = 0;
    // ------------------------------------------------------------------------


    // -----   Timer   --------------------------------------------------------
    TStopwatch timer;
    timer.Start();
    // ------------------------------------------------------------------------





    // -------   MVD Digitiser   ----------------------------------------------
    CbmMvdDigitizer* digi = new CbmMvdDigitizer("MVDDigitiser", 0, iVerbose);
    std::cout << "Adding Task:  CbmMvdDigitiser... " << std::endl;
    
    //--- Pile Up -------
    
    Int_t pileUpInMVD=2; // use 1 or higher
    
    digi->SetBgFileName(bgFile);
    digi->SetBgBufferSize(5); //for simulation this buffer should contain > 2 * pileUpInMVD mBias events.
			      //default = few 100 (increase for high pile-up, reduce to limit memory consumption)
    digi->SetPileUp(pileUpInMVD-1);


    //--- Delta electrons -------
    digi->SetDeltaName(deltaFile);
    digi->SetDeltaBufferSize(50); //for simulation, this buffer must contain at least pileUpInMVD*200 delta electrons
    digi->SetDeltaEvents(2); //valid for QA-purposes only, use next line for simulations
    //digi->SetDeltaEvents(pileUpInMVD*100); // for simulation assumes 1% target

    //digi->ShowDebugHistograms();
    // ------------------------------------------------------------------------

    
    // -----   Digitization run   ---------------------------------------------
    CbmDigitization run;

    run.AddInput(inFile);
    run.SetOutputFile(outFile, kTRUE);
    run.SetParameterRootFile(parFile);
    run.SetEventMode();

    run.SetDigitizer(kMvd, digi);
    
    run.Run(nEvents);
    // ------------------------------------------------------------------------


    // -----   Finish   ----------------------------------------------------------
    timer.Stop();
    Double_t rtime = timer.RealTime();
    Double_t ctime = timer.CpuTime();
    std::cout << std::endl << std::endl;
    std::cout << "Macro finished successfully." << std::endl;
    std::cout << "Output file is "    << outFile << std::endl;
    std::cout << "Parameter file is " << parFile << std::endl;
    std::cout << "Real time " << rtime << " s, CPU time " << ctime << " s" << std::endl;
    std::cout << std::endl;
    // ---------------------------------------------------------------------------

  std::cout << " Test passed" << std::endl;
  std::cout << " All ok " << std::endl;

}