PndEvtFilter.h

Go to the documentation of this file.

//****************************************************************************
//*                   This file is part of PandaRoot.                        *
//*                                                                          *
//*            PandaRoot is distributed under the terms of the               *
//*              GNU General Public License (GPL) version 3,                 *
//*                 copied verbatim in the file "LICENSE".                   *
//*                                                                          *
//*  Copyright (C) 2006 - 2024 FAIR GmbH and copyright holders of PandaRoot  *
//*     The copyright holders are listed in the file "COPYRIGHTHOLDERS".     *
//*               The authors are listed in the file "AUTHORS".              *
//****************************************************************************

// -------------------------------------------------------------------------
// -----                    PndEvtFilter header file                   -----
// -------------------------------------------------------------------------

#ifndef PndEvtFilter_H
#define PndEvtFilter_H

#include "Rtypes.h" // for Bool_t, etc
#include "TClonesArray.h"
#include <iostream>
#include "TParticle.h"
#include "RhoCandidate.h"
#include "RhoCandList.h"
#include "TLorentzVector.h"
#include "FairEvtFilter.h"

std::ostream &operator<<(std::ostream &os, const std::set<Int_t> &set);

class PndEvtFilter : public FairEvtFilter {

 public:
  PndEvtFilter();

  PndEvtFilter(const char *name, const char *title = "PndEvtFilter");

  virtual ~PndEvtFilter();

  // Initialize the filter if needed
  Bool_t Init() { return kTRUE; }

  // useful for event filtering on invariant masses
  // returns a list of particles
  // which have the same charge as charge(inPdgCode)
  // mass hypothesis is set to m(inPdgCode)
  // for better performance pdgCodeCharge can optionally be specified
  // It should be the same as the charge corresponding to inPdgCode
  Bool_t FillList(RhoCandList &rhoOutList, Int_t inPdgCode, Double_t pdgCodeCharge = kNoChargeSpecified);

  // returning kTRUE indicates that the event satisfies the filter conditions,
  // kFALSE otherwise.
  virtual Bool_t EventMatches(Int_t evtNr) = 0;

  virtual Bool_t FilterActive() = 0;

 private:
  PndEvtFilter(const PndEvtFilter &G);
  PndEvtFilter &operator=(const PndEvtFilter &) { return *this; }

  ClassDef(PndEvtFilter, 1);
};

#endif