AliMUONRefitter.h

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#ifndef ALIMUONREFITTER_H
#define ALIMUONREFITTER_H

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

// $Id$

//  Author Philippe Pillot

#include <TObject.h>

class AliMUONGeometryTransformer;
class AliMUONVClusterFinder;
class AliMUONVClusterServer;
class AliMUONVTrackReconstructor;
class AliMUONESDInterface;
class AliMUONVClusterStore;
class AliMUONVTrackStore;
class AliMUONTrack;
class AliMUONRecoParam;

class AliMUONRefitter : public TObject
{
public:
  
  AliMUONRefitter(const AliMUONRecoParam* recoParam);
  virtual ~AliMUONRefitter();
  
  void Connect(const AliMUONESDInterface* esdInterface) {fkESDInterface = esdInterface;}
  
  // re-reconstruct all tracks (clusters) in the ESD event
  AliMUONVTrackStore* ReconstructFromDigits();
  AliMUONVTrackStore* ReconstructFromClusters();
  
  // refit a particular track in the ESD event
  AliMUONTrack* RetrackFromDigits(UInt_t trackId);
  AliMUONTrack* RetrackFromClusters(UInt_t trackId);
  
  // re-clusterize a particular cluster in the ESD event
  AliMUONVClusterStore* ReClusterize(UInt_t trackId, UInt_t clusterId);
  AliMUONVClusterStore* ReClusterize(UInt_t clusterId);
  
  // set the first index of clusters produced by this refitter (to build its uniqueID)
  void SetFirstClusterIndex(Int_t index) {nextClusterIndex = (index >= 0) ? index : 0;}
  
protected:
  
  AliMUONRefitter (const AliMUONRefitter&); 
  AliMUONRefitter& operator=(const AliMUONRefitter&); 
  
  
private:
  
  void CreateGeometryTransformer();
  void CreateClusterServer(AliMUONGeometryTransformer& transformer);
  
  AliMUONTrack* RetrackFromDigits(const AliMUONTrack& track);
  
  Bool_t AddClusterToTracks(const AliMUONVClusterStore &localClusterStore, AliMUONVTrackStore &trackStore);
  
private:
    
  const AliMUONRecoParam*     fkRecoParam;          
  const AliMUONESDInterface*  fkESDInterface;       
  AliMUONGeometryTransformer* fGeometryTransformer; 
  AliMUONVClusterServer*      fClusterServer;       
  AliMUONVTrackReconstructor* fTracker;             
  
  Int_t nextClusterIndex; 
  
  ClassDef(AliMUONRefitter,0)
};

#endif