VertexSelector.hpp

Go to the documentation of this file.

#ifndef CAFUTIL_VERTEXSELECTOR_HPP__
#define CAFUTIL_VERTEXSELECTOR_HPP__

#include "cafe/Stat.hpp"
#include "caf_util/TRefFinder.hpp"
#include "cafe/Event.hpp"
#include "cafe/SelectUserObjects.hpp"
#include "tmb_tree/TMBPrimaryVertex.hpp"

namespace caf_util {
  
  class VertexSelector : public cafe::SelectUserObjects<TMBPrimaryVertex>
  {
  public:
    VertexSelector(const char *name);
    ~VertexSelector() {};
    bool processEvent(cafe::Event &event);
    bool selectObject(const TMBPrimaryVertex &vertex);
    void begin();
  private:
    void before(cafe::Collection<TMBPrimaryVertex>& from);
  private:
    cafe::StatPointer _stat ; //< pointer to the statistics collector class

    int _nvsmax ; //< maximal number of vertices to be selected

    float _zmax ; //< maximal absolute value for PV z in cm 
    unsigned int _ntracks ; //< minimal number of tracks associated with PV 

    float _dz_muon ; //< maximal absolute distance in Z between muon and PV. 
    std::string _muonBranch ; //< muon branch name to be used for the previous selection.
    float _dz_electron ; //< maximal absolute distance in Z between electron and PV.
    std::string _electronBranch ; //< electron branch name to be used for the previous selection.
    bool _useEOPetrack ; //< use track matched to electron with EOP
    bool _sort; 

    cafe::Event* _event ; //< pointer to the current event
    int _nselected ; //< number of the selected PV

    
    cafe::Variables _muvars, _emvars ;
    TRefFinder _finder ; //< workaround for the TRef problem 

    ClassDef(VertexSelector, 0) ;
  };
  
}
#endif // CAFUTIL_VERTEXSELECTOR_HPP__

---