//-----------------------------------------------------------
// File and Version Information:
// $Id$
//
// Description:
//      TPC Helitron/Plawa track fitting routine
//      
//
// Environment:
//      Processing of data from FOPI experiment S339
//
// Author List:
//      Paul Buehler                        SMI/OEAW
//
//-----------------------------------------------------------

#ifndef TPCHELTRAFITTASK_H
#define TPCHELTRAFITTASK_H

//Base class
#include "FairTask.h"

#include "TClonesArray.h"
#include "TString.h"
#include "TVector3.h"
#include "FairGeanePro.h"

// Collaborating Class Declarations --------------------------------------

class TpcHelTrackFittingTask : public FairTask {

public:

// Constructor ----------------------------------------------

  TpcHelTrackFittingTask();			//default constructor
  ~TpcHelTrackFittingTask();
  
  virtual InitStatus Init();	 
  virtual void Exec(Option_t* opt);
  
  virtual void SetParContainers();
  
// Modifiers --------------------------------------------------
  
  void SetPersistence(Bool_t opt=kTRUE) {fPersistence=opt;} 
  void SetVerbose(Bool_t opt=kFALSE) {fVerbose=opt;} 
  void SetTpcHelMatchParsBranchName(TString thmpbr) {fTpcHelMatchParsBranchName=thmpbr;}
  void SetTpcHelTrackBranchName(TString thtbr) {fTpcHelTrackBranchName=thtbr;}
  void SetTpcHelTrackFitBranchName(TString thtbr) {fTpcHelTrackFitBranchName=thtbr;}
  void SetDefRep(unsigned int rep) {frep = rep;}
	
private:

  Float_t fRad;

  Bool_t fPersistence;
  Bool_t fVerbose;

  // branch names
  TString fFopiEvBranchName;
  TString fTpcHelMatchParsBranchName;
  TString fTpcHelTrackBranchName;
  TString fTpcHelTrackFitBranchName;
  
  // representation to use for fit
  unsigned int frep;

  // clones arrays for branches
  TClonesArray* fFopiEventArray;
  TClonesArray* fMatchingPars;
  TClonesArray* fTpcHelTracks;
  TClonesArray* fTpcHelTrackFits;
   
  TVectorD *MatchingParsVec;

public:
  ClassDef(TpcHelTrackFittingTask,3)
	
};

#endif