macro/production/dayone-2017/fastsim/quickfsimana.C

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// **********************************************************************************************
// Macro for running fast simulation + Software Trigger + simple analysis (PndSimpleCombinerTask)
// **********************************************************************************************

// The parameters are
// -------------------
// quickfsimana.C( <pref>, <decfile>, <mom>, <decay>, [nevt], [res], [parms], [runST], [runnum], [mode] )
//    <pref>     : output file names prefix
//    <decfile>  : EvtGen decfile; DPM/FTF/BOX uses DPM/FTF generator (inelastic mode) or box generator instead
//    <mom>      : EvtGen, DPM, FTF: pbar momentum (negative values are interpreted as -E_cm); BOX generator: maximum particle momentum
//    [decay]    : the decay pattern to be reconstructed, e.g. 'phi -> K+ K-; D_s+ -> phi pi+'; emtpy string: only fast sim will be run
//    [nevt]     : number of events; default = 1000
//    [res]      : initial resonance or particle type for BOX generator (ignored when running DPM); default = 'pbarpSystem0'
//    [parms]    : parameters for the analysis, e.g. 'mwin=0.4:mwin(phi)=0.1:emin=0.1:pmin=0.1:qamc'; 'qapart' runs PndParticleQATask
//    [runST]    : if 'true' runs Software Trigger (default: false)
//    [runnum]   : integer run number (default: 0)
//    [mode]     : arbitrary mode number (default: 0)
// -------------------

void    getRange(TString par, double &min, double &max);
TString getInitialResonance(TString &fEvtGenFile);

void quickfsimana(TString Prefix="", TString Decfile="", Float_t Mom=0., TString anadecay="", Int_t nEvents = 1000, TString anaparms="", bool runST=false, int run=0 , int runmode=0)
{
        if (Prefix=="" || Decfile=="" || Mom==0. ) 
        {
                cout << "USAGE:\n";
                cout << "quickfsimana.C( <pref>, <decfile>, <mom>, <decay>, [nevt], [parms], [runST], [runnum], [mode] )\n\n";
                cout << "   <pref>     : output file names prefix\n";
                cout << "   <decfile>  : EvtGen decfile 'xxx.dec' or 'xxx.dec:iniRes'; DPM/FTF/BOX uses DPM/FTF generator or BOX generator instead\n";
                cout << "                DPM settings: DPM = inelastic only, DPM1 = inel. + elastic, DPM2 = elastic only\n";
                cout << "                FTF settings: FTF = inelastic only, FTF1 = inel. + elastic\n";
                cout << "                BOX settings: optional ranges 'p/tht/phi[min,max]' separated with colon; single number = fixed value; example: 'BOX:p[1,5]:tht[45]:phi[90,210]'\n";
                cout << "   <mom>      : EvtGen, DPM, FTF: pbar momentum (negative values are interpreted as -E_cm); BOX generator w/o special settings: maximum particle momentum\n";
                cout << "   [decay]    : the decay pattern to be reconstructed, e.g. 'phi -> K+ K-; D_s+ -> phi pi+'; '': only fast sim w/o reco will be run\n";
                cout << "   [nevt]     : number of events; default = 1000\n";
                //cout << "   [res]      : initial resonance or particle type for BOX generator (ignored when running DPM); default = 'pbarpSystem0'\n";
                cout << "   [parms]    : parameters for the analysis, e.g. 'mwin=0.4:mwin(phi)=0.1:emin=0.1:pmin=0.1:qamc'; 'qapart' runs PndParticleQATask: 'persist' saves PndPidCandidates\n";
                cout << "   [runST]    : if 'true' runs Software Trigger (default: false)\n";
                cout << "   [runnum]   : integer run number (default: 0)\n";
                cout << "   [mode]     : arbitrary mode number (default: 0)\n\n";
                cout << "Example 1 - Do reco for EvtGen events : root -l -b -q 'quickfsimana.C(\"jpsi2pi\", \"pp_jpsi2pi_jpsi_mumu.dec\", 6.23, \"J/psi -> mu+ mu-; pbp -> J/psi pi+ pi-\", 1000, \"fit4c:mwin=0.6\")'\n";
                cout << "Example 2 - Particle QA for BOX gen   : root -l -b -q 'quickfsimana.C(\"single_kplus\", \"BOX:type(321,1)\", 8.0, \"\", 1000, \"qapart\")'\n"; 
                cout << "Example 3 - Run fast sim only for DPM : root -l -b -q 'quickfsimana.C(\"bkg\", \"DPM\", 6.23, \"\", 1000)'\n\n";       
                return;
        }
        
        // persist fast sim output?
        bool persist = (anadecay == "" && anaparms == "") || anaparms.Contains("persist");
        
        // do some reconstruction ?
        bool doreco  = (anadecay != "" || anaparms.Contains("nevt"));
        
        // do particle QA?
        bool partQA  = (anaparms.Contains("qapart"));
        bool mc      = !(anaparms.Contains("!mc")) && !(anaparms.Contains("qamc"));
        bool neut    = !(anaparms.Contains("!neut"));
        bool chrg    = !(anaparms.Contains("!chrg"));
                
        // for submission to queue all blanks in decay string were replaced by '§'; now we replace again the other way around
        anadecay.ReplaceAll("#"," ");
        
        // if Mom<0, interprete as -E_cm
        double mp = 0.938272;
        if (Mom<0)
        {
                double X = (Mom*Mom-2*mp*mp)/(2*mp);
                Mom = sqrt(X*X-mp*mp);
        }
        
        // Allow shortcut for resonance pbarpSystem
        anadecay.ReplaceAll("pbp", "pbarpSystem");

        // Prevent generator from throwing a lot of warnings
        TLorentzVector fIni(0,0,Mom,mp+sqrt(Mom*Mom+mp*mp));
        TDatabasePDG *pdg=TDatabasePDG::Instance();
        pdg->AddParticle("pbarpSystem","pbarpSystem",fIni.M(),kFALSE,0.1,0, "",88888,0);
        pdg->AddParticle("pbarpSystem0","pbarpSystem0",fIni.M(),kFALSE,0.1,0, "",88880,0);
        pdg->AddParticle("eta_c1","eta_c1",4.3,kFALSE,0.02,0,"",999441);

        //-----Evaluate Detector Setup ---------------------------------------
        bool SwMvdGem  = true;  // Enable MVD and GEM for central tracking in addition to STT
        bool SwEmcBar  = true;  // Enable EMC barrel for calorimetry (neutral detection and PID component)
        bool SwDrc     = true;  // Enable Barrel DIRC for PID
        bool SwDsc     = true;  // Enable Disc DIRC for PID
        bool SwFwdSpec = true;  // Enable complete Forward Spectrometer (= Fwd Spec. EMC, Fwd Tracking, RICH, Fwd MUO)
        
        //----- Switches for Simulation Options ------------------------------
        Bool_t enableSplitoff    = true;   // create e.-m. and hadronic split offs
        Bool_t mergeNeutrals     = true;   // merge neutrals (for merged pi0s)
        Bool_t electronBrems     = true;   // bremsstrahlung loss for electrons 
        Bool_t useEventFilter    = false;  // enable Fast Sim event filter. *** Needs configuration (see below) *** 
        Bool_t usePndEventFilter = false;  // enable Panda event filter.    *** Needs configuration (see below) *** 
        
        //-----General settings-----------------------------------------------
        TString BaseDir =  gSystem->Getenv("VMCWORKDIR");
        TString splitpars = BaseDir+"/fsim/splitpars.dat";
        gRandom->SetSeed();

        //-----User Settings:-------------------------------------------------
        TString  OutputFile     = TString::Format("%s_%d_ana.root",Prefix.Data(), run);
        if (persist) OutputFile = TString::Format("%s_%d_fsim.root",Prefix.Data(), run);
        
        gDebug             = 0;

        // choose your event generator
        Bool_t UseEvtGenDirect  = kTRUE;
        Bool_t UseFtf           = kFALSE;
        Bool_t UseDpm           = kFALSE;
        Bool_t UseBoxGenerator  = kFALSE;

        // use DPM generator; default: inelastic @ pbarmom = mom
        if (Decfile.BeginsWith("DPM") && !Decfile.EndsWith(".dec"))
        {
                UseEvtGenDirect = kFALSE;
                UseDpm        = kTRUE;
        }

        // use FTF generator; 
        if (Decfile.BeginsWith("FTF") && !Decfile.EndsWith(".dec"))
        {
                UseEvtGenDirect = kFALSE;
                UseFtf          = kTRUE;
        }

        // use BOX generator; defaults
        Double_t BoxMomMin  = 0.05;   // minimum momentum for box generator
        Double_t BoxMomMax  = Mom;    // maximum   "       "
        Double_t BoxThtMin  = 0. ;    // minimum theta for box generator
        Double_t BoxThtMax  = 180.;   // maximum   "       "
        Double_t BoxPhiMin  = 0. ;    // minimum phi for box generator
        Double_t BoxPhiMax  = 360.;   // maximum   "       "
        Bool_t   BoxCosTht  = false;  // isotropic in cos(theta) instead theta
  
        Int_t    BoxType    = 13;     // default particle muon
        Int_t    BoxMult    = 1;      // default particle multiplicity
        Double_t type=0,mult=0;       // ref. parameters for range function     

        if (Decfile.BeginsWith("BOX") && !Decfile.EndsWith(".dec"))
        {
                UseEvtGenDirect = kFALSE;
                UseBoxGenerator = kTRUE;
                Decfile.ToLower();
                
                if (Decfile!="box")
                {
                        Decfile.ReplaceAll("box","");
                        Decfile.ReplaceAll(" ","");
                        Decfile += ":";
                        
                        while (Decfile.Contains(":"))
                        {
                                TString curpar = Decfile(0,Decfile.Index(":"));
                                Decfile = Decfile(Decfile.Index(":")+1,1000);
                                curpar.ReplaceAll("[","("); curpar.ReplaceAll("]",")"); 
                                
                                if (curpar.BeginsWith("type(")) {getRange(curpar,type,mult); BoxType = (Int_t)type; BoxMult = (Int_t)mult; }
                                if (curpar.BeginsWith("p("))     getRange(curpar,BoxMomMin,BoxMomMax);
                                if (curpar.BeginsWith("tht("))   getRange(curpar,BoxThtMin,BoxThtMax);
                                if (curpar.BeginsWith("ctht(")) {getRange(curpar,BoxThtMin,BoxThtMax); BoxCosTht=true;}
                                if (curpar.BeginsWith("phi("))   getRange(curpar,BoxPhiMin,BoxPhiMax);
                        }
                }
                
                cout <<"BOX generator range: type["<<BoxType<<","<<BoxMult<<"]  p["<<BoxMomMin<<","<<BoxMomMax<<"]  tht["<<BoxThtMin<<","<<BoxThtMax<<"]"<<(BoxCosTht?"*":"")<<"  phi["<<BoxPhiMin<<","<<BoxPhiMax<<"]"<<endl;
        }


        // Start a stop watch
        TStopwatch timer;
        timer.Start();

        // Create the Simulation run manager
        // --------------------------------
        FairRunSim *fRun = new FairRunSim();
        fRun->SetOutputFile(OutputFile.Data());
        fRun->SetGenerateRunInfo(kFALSE);
        if (!persist) fRun->SetUserConfig(BaseDir+"/tutorials/analysis/g3ConfigNoMC.C");

        FairLogger::GetLogger()->SetLogToFile(kFALSE);


        // Create and Set Event Generator
        // -------------------------------
        FairFilteredPrimaryGenerator* primGen = new FairFilteredPrimaryGenerator();
        if (!usePndEventFilter) primGen->SetVerbose(0);
        //FairPrimaryGenerator* primGen = new FairPrimaryGenerator();
        fRun->SetGenerator(primGen);
        fRun->SetName("TGeant3");
        
        // Box Generator
        if(UseBoxGenerator)
        {  
                PndBoxGenerator* boxGen = new PndBoxGenerator(BoxType, BoxMult);
                boxGen->SetDebug(0);
                
                boxGen->SetPRange(BoxMomMin,BoxMomMax);      // GeV/c
                boxGen->SetPhiRange(BoxPhiMin, BoxPhiMax);   // Azimuth angle range [degree]
                boxGen->SetThetaRange(BoxThtMin, BoxThtMax); // Polar angle in lab system range [degree]
                
                if (BoxCosTht) boxGen->SetCosTheta();
                
                boxGen->SetXYZ(0., 0., 0.); //cm
                primGen->AddGenerator(boxGen);
        }
        
        // DPM Generator
        if(UseDpm)
        {
                int mode = 0;
                if (Decfile=="DPM1") mode = 1;
                if (Decfile=="DPM2") mode = 2;
                
                PndDpmDirect *Dpm= new PndDpmDirect(Mom,mode);  // 0 = inelastic, 1 = inelastic & elastic, 2 = elastic
                // since fastsim doesn't have a transport, let all long-living resonances decay by the generator
                Dpm->SetUnstable(111);   // pi0
                Dpm->SetUnstable(310);   // K_S0
                Dpm->SetUnstable(311);   // K0
                Dpm->SetUnstable(-311);  // K0bar
                Dpm->SetUnstable(3122);  // Lambda0
                Dpm->SetUnstable(-3122); // anti-Lambda0
                Dpm->SetUnstable(221);   // eta*/
                Dpm->SetUnstable(3222);  // Sigma+
                Dpm->SetUnstable(-3222); // anti-Sigma-
                Dpm->SetUnstable(3334);  // Omega-
                primGen->AddGenerator(Dpm);
        }
        
        // FTF Generator
        if(UseFtf)
        {
                bool noelastic = true;
                if (Decfile=="FTF1") noelastic=false;
                PndFtfDirect *Ftf = new PndFtfDirect("anti_proton", "G4_H", 1, "ftfp", Mom, 0, noelastic); 
                primGen->AddGenerator(Ftf);
        }

        // EvtGen Generator
        if(UseEvtGenDirect)
        {
                TString Resonance=getInitialResonance(Decfile);
                Resonance.ReplaceAll("pbp","pbarpSystem");

                PndEvtGenDirect *EvtGen = new PndEvtGenDirect(Resonance, Decfile.Data(), Mom);
                EvtGen->SetStoreTree(kTRUE);
                primGen->AddGenerator(EvtGen);
        }

        // ------------- switch off the transport of particles
        primGen->DoTracking(kFALSE);

        //---------------------Create and Set the Field(s)----------
        PndMultiField *fField= new PndMultiField("AUTO");
        fRun->SetField(fField);

        // Setup the Fast Simulation Task
        //-----------------------------
        PndFastSim* fastSim = new PndFastSim(persist);
                
        // increasing verbosity increases the amount of console output (mainly for debugging)
        fastSim->SetVerbosity(0);

        // set PANDA event filters
        //-----------------------------
        if (usePndEventFilter)
        {
                cout <<"Using FairEventFilter"<<endl;
                primGen->SetFilterMaxTries(100000);
                
                FairEvtFilterOnSingleParticleCounts* LambdaFilter = new FairEvtFilterOnSingleParticleCounts("LambdaFilter");
                LambdaFilter->AndMinPdgCodes(1,3122,-3122);
                //pi0Filter->AndThetaRange(10., 30.);
                primGen->AndFilter(LambdaFilter);
                
                //FairEvtFilterOnSingleParticleCounts* chrgFilter = new FairEvtFilterOnSingleParticleCounts("chrgFilter");
                //chrgFilter->AndMinCharge(4, FairEvtFilter::kCharged);
                //primGen->AndFilter(chrgFilter);
                                                
                //FairEvtFilterOnCounts* neutFilter = new FairEvtFilterOnCounts("neutFilter");
                //neutFilter->AndMaxCharge(4, FairEvtFilter::kNeutral);
                //primGen->AndFilter(neutFilter);
                /*
                FairEvtFilterOnSingleParticleCounts* pi0Filter = new FairEvtFilterOnSingleParticleCounts("pi0Filter");
                pi0Filter->AndMinPdgCodes(1,111);
                pi0Filter->AndThetaRange(10., 30.);
                // require a theta angle of at most 10 degree
                primGen->AndFilter(pionCand);
                */
                
                /*PndEvtFilterOnInvMassCounts* eeInv= new PndEvtFilterOnInvMassCounts("eeInvMFilter");
                //eeInv->SetVerbose();//highest commenting level of the FairEvtFilterOnCounts
                eeInv->SetPdgCodesToCombine( 13, -13);
                eeInv->SetMinMaxInvMass( 2.5, 3.3 );
                eeInv->SetMinMaxCounts(1,10000);
                primGen->AndFilter(eeInv);  //add filter to fFilterList         
                */
                
        }
        
        // set event filters
        //-----------------------------
        if (useEventFilter)
        {
              // Filters are:
              // -----------
              // fastSim->SetMultFilter(type, min, max); 
              // requires min <= mult <= max
              
              // available types are:
              
              //  "+"   : positive charged particles
              //  "-"   : negative charged particles
              //  "gam" : gammas
              //  "pi0" : pi0 candidates ( -> 2 gammas); mass window 0.135 +- 0.03 GeV
              //  "eta" : eta candidates ( -> 2 gammas); mass window 0.547 +- 0.04 GeV 
              //  "ks"  : K_S candidates ( -> pi+ pi-);  mass window 0.497 +- 0.04 GeV

              //fastSim->SetMultFilter("ks",   1,1000);  // at least 1 KS
              
//            fastSim->SetMultFilter("+",   2,1000);  // at least 2 trk+
//            fastSim->SetMultFilter("-",   2,1000);  // at least 2 trk-
//            fastSim->SetMultFilter("gam", 0,   4);  // at most 4 gammas

              // fastSim->SetInvMassFilter(comb, m_min, m_max, mult);
              
              // requires at least mult combined candidates with m_min < m < m_max
              
              // comb is a TString describing the combinatoric
              // - particle codes are: e+ e- mu+ mu- pi+ pi- k+ k- p+ p- gam pi0 ks eta
              // - codes must be separated with a single blank
              // - for charged final states only the mass is set; no pdg code selection is done! 
              // - optional a 'cc' added at the end of also takes into account charge conjugation
              
              // Examples: 
              // - ("k+ k-", 0.98, 1.1, 2)       : forms K+ K- candidate and requires >=2 in the given window
              // - ("ks k+ pi- cc", 2.8, 3.2,1 ) : forms ks k+ pi- / ks k- pi+ cands and req. at least one in window
              
              fastSim->SetInvMassFilter("mu+ mu-",2.5,3.3,1);  // look for J/psi -> e+ e- candidate
        }

        // enable the merging of neutrals if they have similar direction
        //-----------------------------
        fastSim->MergeNeutralClusters(mergeNeutrals);

        // enable bremsstahlung loss for electrons
        //-----------------------------
        fastSim->EnableElectronBremsstrahlung(electronBrems);

        //enable the producting of parametrized neutral (hadronic) split offs
        // generate electro-magnetic / hadronic split offs in the EMC? switch off when running w/o EMC

        if (enableSplitoff)
                fastSim->EnableSplitoffs(splitpars.Data());

        fastSim->SetUseFlatCov(true);
        // -----------------------------------------------------------------------------------
        //Tracking: Set up in parts of theta coverage. All modelled by PndFsmSimpleTracker.
        // Mind: Numbers on resolution (pRes,thtRes,phiRes) and efficiency are guessed
        // -----------------------------------------------------------------------------------
        if (SwMvdGem) // MVD and GEM are enabled; combined tracking available
        {
                // - (Full Panda Tracking: STT MVD GEM FTS)

                fastSim->AddDetector("ScSttAlone",  "thtMin=145.  thtMax=159.5 ptmin=0.1 pmin=0.0 pRes=0.04 thtRes=0.006 phiRes=0.007 efficiency=0.25");
                fastSim->AddDetector("ScSttMvd",    "thtMin=20.9  thtMax=145.  ptmin=0.1 pmin=0.0 pRes=0.02 thtRes=0.001 phiRes=0.001 efficiency=0.85");
                fastSim->AddDetector("ScSttMvdGem", "thtMin=7.8   thtMax=20.9  ptmin=0.1 pmin=0.0 pRes=0.02 thtRes=0.001 phiRes=0.001 efficiency=0.85");
                fastSim->AddDetector("ScMvdGem",    "thtMin=5.    thtMax=7.8   ptmin=0.1 pmin=0.0 pRes=0.03 thtRes=0.001 phiRes=0.001 efficiency=0.60");
        }
        else // MVD and GEM are disabled; only STT tracking in central region
        {
                // - STT alone:
                fastSim->AddDetector("ScSttAlone",  "thtMin=133.6 thtMax=159.5 ptmin=0.1 pmin=0.0 pRes=0.04 thtRes=0.006 phiRes=0.007 efficiency=0.25");
                fastSim->AddDetector("ScSttAlone2", "thtMin=20.9  thtMax=133.6 ptmin=0.1 pmin=0.0 pRes=0.04 thtRes=0.006 phiRes=0.007 efficiency=0.80");
                fastSim->AddDetector("ScSttAlone3", "thtMin=7.8   thtMax=20.9  ptmin=0.1 pmin=0.0 pRes=0.04 thtRes=0.006 phiRes=0.007 efficiency=0.25");
        }

        if (SwFwdSpec) // Fwd spectrometer enabled -> use Fwd tracking system
        {
                fastSim->AddDetector("ScFts",       "thtMin=0.    thtMax=5.    ptmin=0.0 pmin=0.5 pRes=0.05  thtRes=0.002 phiRes=0.002 efficiency=0.80");
        }

        // -----------------------------------------------------------------------------------
        // Vertexing
        // -----------------------------------------------------------------------------------
        if (SwMvdGem) // MVD and GEM are enabled -> better vertexing in central region
        {
                fastSim->AddDetector("ScVtxMvd",   "thtMin=5. thtMax=145. ptmin=0.1 vtxRes=0.005 efficiency=1."); // efficiency=1: all tracks found in trackers will get a vertex information
                fastSim->AddDetector("ScVtxNoMvd", "thtMin=0. thtMax=5.   ptmin=0.0 vtxRes=0.05  efficiency=1."); // efficiency=1: all tracks found in trackers will get a vertex information
        }
        else // MVD and GEM are disabled -> no good vertexing at all
        {
                fastSim->AddDetector("ScVtxNoMvd", "thtMin=0. thtMax=160. ptmin=0.1 vtxRes=0.1 efficiency=1."); // efficiency=1: all tracks found in trackers will get a vertex information
        }
        // -----------------------------------------------------------------------------------
        // EM Calorimeters w/ default parameters
        // (don't have to be set, just to list the available parameters
        // -----------------------------------------------------------------------------------

        fastSim->AddDetector("EmcFwCap", "thtMin=10.0 thtMax=22.0 Emin=0.01 dist=2.5");
        fastSim->AddDetector("EmcBwCap", "thtMin=142.0 thtMax=160.0 Emin=0.01 dist=0.7");

        if (SwEmcBar)
        {
                // EmcBarrel also allows to set phiMin and phiMax and can be added multiple times as EmcBarrel1, EmcBarrel2, etc.
                // Should be made constistent with EmcPidBarrel below
                fastSim->AddDetector("EmcBarrel","thtMin=22.0 thtMax=142.0 Emin=0.01 barrelRadius=0.5");
        }

        if (SwFwdSpec) // Fwd spectrometer enabled -> use Fwd EMC
        {
                fastSim->AddDetector("EmcFS",    "thtMin=0.05 thtMax=10.0 aPar=0.013 bPar=0.0283 Emin=0.01 dist=8.2");
        }

        // -----------------------------------------------------------------------------------
        // PID
        // -----------------------------------------------------------------------------------

        // PID detectors being always in: STT, MUO Barrel, EMC FwdCap, EMC BwdCap
        //Note: A dEdX parametrization from 2008
        fastSim->AddDetector("SttPid","thtMin=7.8 thtMax=159.5 ptmin=0.1 dEdxRes=0.15 efficiency=1.");
        fastSim->AddDetector("ScMdtPidBarrel", "thtMin=10.0 thtMax=130.0 pmin=0.5 efficiency=0.95 misId=0.01");
        fastSim->AddDetector("ScEmcPidFwCap",  "thtMin=10.0  thtMax=22.0  ptmin=0.0 pmin=0.0 efficiency=1.0");
        fastSim->AddDetector("ScEmcPidBwCap",  "thtMin=142.0 thtMax=160.0  ptmin=0.0 pmin=0.0 efficiency=1.0");

        if (SwMvdGem) // MVD and GEM are enabled -> MVD PID available
        {
                //Note: A Bethe-Bloch-Landau-Gauss Prametrization from 2008
                fastSim->AddDetector("MvdPid","thtMin=5.  thtMax=133.6 ptmin=0.1  dEdxResMulti=1. efficiency=1.");
        }

        if (SwEmcBar) // EMC Barrel enable -> EMC barrel PID available
        {
                fastSim->AddDetector("ScEmcPidBarrel", "thtMin=22.0  thtMax=142.0 ptmin=0.2 pmin=0.0 efficiency=1.0");
        }

        if (SwDrc) // Barrel DIRC enabled
        {
                fastSim->AddDetector("DrcBarrel","thtMin=22.0 thtMax=140.0 dthtc=0.01 nPhotMin=5 effNPhotons=0.075");
        }

        if (SwDsc) // Disc DIRC enabled
        {
                fastSim->AddDetector("DrcDisc","thtMin=5.0 thtMax=22.0 dthtc=0.01 nPhotMin=5 effNPhotons=0.075");
        }

        if (SwFwdSpec) // Fwd spectrometer enabled -> use RICH, FwdMUO and EMC FS
        {
                fastSim->AddDetector("ScEmcPidFS",     "thtMin=0.5   thtMax=10.0  ptmin=0.0 pmin=0.5 efficiency=1.0");
                fastSim->AddDetector("Rich","angleXMax=5.0 angleYMax=10.0 dthtc=0.01 nPhotMin=5 effNPhotons=0.075");
                fastSim->AddDetector("ScMdtPidForward","thtMin=0.0  thtMax=10.0  pmin=0.5 efficiency=0.95 misId=0.01");
        }


        fRun->AddTask(fastSim);
        
        
        // ***********************
        // *** SoftTriggerTask ***
        // ***********************
        
        if (runST)
        {       
                // this file contains the trigger line definitions
                TString triggercfg   = TString(gSystem->Getenv("VMCWORKDIR"))+"/softrig/triggerlines_fsim.cfg";
                
                PndSoftTriggerTask *stTask = new PndSoftTriggerTask(Mom, 0, 0, triggercfg);
                stTask->SetFastSimDefaults();
                stTask->SetQAEvent();
                fRun->AddTask(stTask);
        }
        
        // ***********************
        // *** SoftTriggerTask ***
        // ***********************

    
    
        // *****************************
        // *** PndSimpleCombinerTask ***
        // *****************************
                
        if (doreco)
        {
                PndSimpleCombinerTask *scTask = new PndSimpleCombinerTask(anadecay, anaparms+":algo=PidChargedProbability",Mom, run, runmode);
                scTask->SetPidAlgo("PidChargedProbability");
                fRun->AddTask(scTask);
        }
        
        // *****************************
        // *** PndSimpleCombinerTask ***
        // *****************************
        
        
        
        // *****************************
        // *** PndParticleQATask ***
        // *****************************
        
        if (partQA)
        {
                PndParticleQATask *partQaTask = new PndParticleQATask(kTRUE,chrg,neut,mc); // particle QA task for FastSim
                fRun->AddTask(partQaTask);
        }
        
        // *****************************
        // *** PndParticleQATask ***
        // *****************************
        
        
        //-------------------------  Initialize the RUN  -----------------
        fRun->Init();
        
        //-------------------------  Run the Simulation  -----------------
        fRun->Run(nEvents);
        
        //-------------------------  Write Filter Info to File -----------
        if (usePndEventFilter) primGen->WriteEvtFilterStatsToRootFile(); 
        
        //------------------------Print some info and exit----------------
        timer.Stop();
        Double_t rtime = timer.RealTime();
        Double_t ctime = timer.CpuTime();
        printf("RealTime=%f seconds, CpuTime=%f seconds\n",rtime,ctime);
}

void getRange(TString par, double &min, double &max)
{
        par.ReplaceAll(" ","");
        par = par(par.Index("(")+1, par.Length()-par.Index("(")-2);
        
        TString smin=par, smax=par;
        
        if (par.Contains(",")) 
        {
                smin = par(0,par.Index(","));
                smax = par(par.Index(",")+1,1000);
        }
        
        min = smin.Atof();
        max = smax.Atof();
        
        //if (min>max) {double tmp=min;min=max;max=tmp;}
}

TString getInitialResonance(TString &fEvtGenFile)
{
  
  TString IniRes="";
  
  if (fEvtGenFile.Contains(":")) // is the initial resonance provide as <decfile>.dec:iniRes ? 
  {
    IniRes = fEvtGenFile(fEvtGenFile.Index(":")+1,1000);
    fEvtGenFile = fEvtGenFile(0,fEvtGenFile.Index(":"));
  }
  
  if (IniRes=="") // we need to search the decay file
  {
    std::ifstream fs(fEvtGenFile.Data());       
    char line[250];
  
    while (fs)
    {
      fs.getline(line,249);
      TString s(line);
      s.ReplaceAll("\r","");
      if (IniRes=="" && s.Contains("Decay "))
      {
        if (s.Contains("#")) s=s(0,s.Index("#"));
        s.ReplaceAll("Decay ","");
        s.ReplaceAll(" ","");
        IniRes = s;
      }  
    } 
    fs.close();
  }
  
  return IniRes;
}