//-----------------------------------------------------------
// 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 TPCHELTRAFITPHIPSTASK_H
#define TPCHELTRAFITPHIPSTASK_H

//Base class
#include "FairTask.h"

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

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

class TpcHelTrackFittingTaskPhilipp : public FairTask {

public:

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

  TpcHelTrackFittingTaskPhilipp();			//default constructor
  ~TpcHelTrackFittingTaskPhilipp();
  
  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=kTRUE) {fVerbose=opt;} 
  void SetTPCHelMatchParsBranchName(TString thmpbr) {fTPCHelMatchParsBranchName=thmpbr;}
  void SetTPCHelTrackBranchName(TString thtbr) {fTPCHelTrackBranchName=thtbr;}
  void SetTPCHelTrackFitBranchName(TString thtbr) {fTPCHelTrackFitBranchName=thtbr;}
  void SetAngleMeanSigma(double tm, double ts, double pm, double ps) {fTheMean=tm; fTheSigma=ts; fPhiMean=pm; fPhiSigma=ps;}
//  void SetDefRep(Int_t rep) {frep = rep;}
	
private:

  Float_t fRad;
  Double_t fTheMean,fTheSigma,fPhiMean, fPhiSigma;
  Bool_t fPersistence;
  Bool_t fVerbose;

  // branch names
  TString fFopiEvBranchName;
  TString fTPCHelMatchParsBranchName;
  TString fTPCHelTrackBranchName;
  TString fTPCHelTrackFitBranchName;
  TString fTPCHelFitParBranchName;
  
  // representation to use for fit
//  Int_t frep;

  // clones arrays for branches
  TClonesArray* fFopiEventArray;
  TClonesArray* fMatchingPars;
  TClonesArray* fTPCHelTracks;
  TClonesArray* fTPCHelTrackFits;

  TClonesArray* fFitPars;
  Double_t *FitPars;
  TVectorD *FitParsVec;
   
public:
  ClassDef(TpcHelTrackFittingTaskPhilipp,3)
	
};

#endif