//-----------------------------------------------------------
// File and Version Information:
// $Id$
//
// Description:
//      PyROOT Wrapper for GFRaveVertexFactory
//      
//      
//
//
// Environment:
//      Software developed for GEM-TPC detector in FOPI.
//
// Author List:
//      Felix Boehmer    TUM            (original author)
//
//
//-----------------------------------------------------------


#ifndef FOPIPIDGFVFWRAPPER_HH
#define FOPIPIDGFVFWRAPPER_HH


#include "TString.h"
#include <vector>
#include "GFTrack.h"


//class GFTrack;
class GFRaveVertex;
class GFRaveVertexFactory;


class FopiPidGFVFWrapper {

 public:
  FopiPidGFVFWrapper(int verbosity, bool vacProp=false);
  virtual ~FopiPidGFVFWrapper();

  void setMethod(const TString&);
  void setBeamspot(const TVector3& pos, const TMatrixDSym& cov);
  
  void addTrack(GFTrack*);  //add a track to the current selection
  
  void findVertices(bool use_beamspot=false); //find vertices and store info
  
  unsigned int getNVertices() const;
  GFRaveVertex* getVertex(unsigned int i) const;

  
  void clearData();              //clear all info; needs to be called before trying next vertex
  
  
 private:
  GFRaveVertexFactory* fFactory;

  std::vector<GFRaveVertex*> fResult;   //this class does NOT take ownership
  std::vector<GFTrack*> fTracks;
  
  
  

 public:
  ClassDef(FopiPidGFVFWrapper,1)

};




#endif