EvtFSPick.hh

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//--------------------------------------------------------------------------
//
// Environment:
//      This software is part of models developed at BES collaboration
//      based on the EvtGen framework.  If you use all or part
//      of it, please give an appropriate acknowledgement.
//
// Copyright Information: See EvtGen/BesCopyright
//      Copyright (A) 2006      Ping Rong-Gang @IHEP
//
// Module:  EvtDecayTag.hh
//
// Description:  Class to pick out the final state
//
// Modification history:
//
//    Ping R.-G.       December, 2011-Mar.       Module created
//
//------------------------------------------------------------------------
//
 
#ifndef EVTFSPICK_HH
#define EVTFSPICK_HH
 
#include "EvtId.hh"
#include "EvtPDL.hh"
#include "EvtParticle.hh"
#include <fstream>
#include <iostream>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <vector>
using std::endl;
using std::fstream;
 
class EvtFSPick {
 
public:
  // constructor
  EvtFSPick( EvtParticle* par ) {
    root_par = par;
    _EvtFS.clear();
    _vnames.clear();
    _vId.clear();
    _fsid.clear();
    FSPick( root_par );
  }
 
  // destructor
  virtual ~EvtFSPick() {}
 
  void                      FSPick( EvtParticle* par );
  std::vector<EvtParticle*> getFS() { return _EvtFS; }
  void                      setFinalStatePar( std::vector<std::string> vnames );
  std::vector<EvtVector4R>  getP4();
  std::vector<EvtVector4R>  getP4Lab();
  int                       getIndex( EvtId eid );
 
private:
  std::vector<EvtParticle*> _EvtFS;
  EvtParticle*              root_par;
  std::vector<std::string>  _vnames;
  std::vector<EvtId>        _vId, _fsid;
};
 
#endif