#ifndef ALIMUONTRACKRECONSTRUCTOR_H
#define ALIMUONTRACKRECONSTRUCTOR_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

/// \ingroup rec
/// \class AliMUONTrackReconstructor
/// \brief Standard class for the MUON track reconstruction

#include "AliMUONVTrackReconstructor.h"

class AliMUONVCluster;
class AliMUONVClusterStore;
class AliMUONTrackParam;
class AliMUONTrack;
class AliMUONGeometryTransformer;

class AliMUONTrackReconstructor : public AliMUONVTrackReconstructor 
{
 
 public:
  
  AliMUONTrackReconstructor(const AliMUONRecoParam* recoParam, AliMUONVClusterServer* clusterServer,
			    const AliMUONGeometryTransformer* transformer); // default Constructor
  virtual ~AliMUONTrackReconstructor(); // Destructor

  virtual Bool_t RefitTrack(AliMUONTrack &track, Bool_t enableImprovement = kTRUE);


 protected:

  // Functions
  virtual Bool_t MakeTrackCandidates(AliMUONVClusterStore& clusterStore);
  virtual Bool_t MakeMoreTrackCandidates(AliMUONVClusterStore& clusterStore);
  virtual Bool_t FollowTracks(AliMUONVClusterStore& clusterStore);
  virtual Bool_t ComplementTracks(const AliMUONVClusterStore& clusterStore);
  virtual void   ImproveTrack(AliMUONTrack &track);
  virtual Bool_t FinalizeTrack(AliMUONTrack &track);
  

 private:
  
  /// Not implemented copy constructor
  AliMUONTrackReconstructor (const AliMUONTrackReconstructor& rhs); 
  /// Not implemented copy assignment operator
  AliMUONTrackReconstructor& operator=(const AliMUONTrackReconstructor& rhs);
  
  Bool_t FollowTrackInChamber(AliMUONTrack &trackCandidate, AliMUONVClusterStore& clusterStore, Int_t nextChamber);
  Bool_t FollowTrackInStation(AliMUONTrack &trackCandidate, AliMUONVClusterStore& clusterStore, Int_t nextStation);
  
  Double_t TryTwoClusters(const AliMUONTrackParam &trackParamAtCluster, AliMUONVCluster* cluster2, AliMUONTrackParam &trackParamAtCluster2);

  void UpdateTrack(AliMUONTrack &track, AliMUONTrackParam &trackParamAtCluster);
  void UpdateTrack(AliMUONTrack &track, AliMUONTrackParam &trackParamAtCluster1, AliMUONTrackParam &trackParamAtCluster2);
  
  Bool_t RecoverTrack(AliMUONTrack &track, AliMUONVClusterStore& clusterStore, Int_t nextStation);
  
  void SetVertexErrXY2ForFit(AliMUONTrack &trackCandidate);
  
  void Fit(AliMUONTrack &track, Bool_t includeMCS, Bool_t fitWithVertex, Bool_t calcCov);


  ClassDef(AliMUONTrackReconstructor, 0) // MUON track reconstructor in ALICE
};
	
#endif