rho/tut_ana_task.C

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void tut_ana_task(int nevts = 0, TString prefix = "signal")
{
        TString OutFile=prefix+"_ana_task.root";  
                                        
        // *** the files coming from the simulation
        TString inPidFile  = prefix+"_pid.root";    // this file contains the PndPidCandidates and McTruth
        TString inParFile  = prefix+"_par.root";
        
        // *** PID table with selection thresholds; can be modified by the user
        TString pidParFile = TString(gSystem->Getenv("VMCWORKDIR"))+"/macro/params/all.par";    
        
        // *** initialization
        FairLogger::GetLogger()->SetLogToFile(kFALSE);
        FairRunAna* fRun = new FairRunAna();
        FairRuntimeDb* rtdb = fRun->GetRuntimeDb();
        fRun->SetSource(new FairFileSource(inPidFile));
        
        // *** setup parameter database         
        FairParRootFileIo* parIO = new FairParRootFileIo();
        parIO->open(inParFile);
        FairParAsciiFileIo* parIOPid = new FairParAsciiFileIo();
        parIOPid->open(pidParFile.Data(),"in");
        
        rtdb->setFirstInput(parIO);
        rtdb->setSecondInput(parIOPid);
        rtdb->setOutput(parIO);  
        
        fRun->SetOutputFile(OutFile);
        
        // *** HERE OUR TASK GOES!
        PndTutAnaTask *anaTask = new PndTutAnaTask();
        fRun->AddTask(anaTask);
        
        // *** and run analysis
        fRun->Init(); 
        fRun->Run(0,nevts);
}