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

/* $Id$ */

/// \ingroup rec
/// \class AliMUONClusterDrawAZ
/// \brief Cluster drawing object for AZ cluster finder in MUON arm of ALICE
///
/// \author Alexander Zinchenko, JINR Dubna

#include "AliMUONClusterDrawAZ.h"

class TH2D;
class AliMUONData;
class AliMUONPixel;
class AliMUONClusterFinderAZ;

class AliMUONClusterDrawAZ : public TObject 
{
public:
  AliMUONClusterDrawAZ(); // default constructor
  AliMUONClusterDrawAZ(AliMUONClusterFinderAZ *clusFinder); // Constructor
  virtual ~AliMUONClusterDrawAZ(); // Destructor

  void     DrawCluster(); // draw precluster
  void     AdjustHist(Double_t *xylim, const AliMUONPixel *pixPtr);
  void     DrawHist(const char* canvas, TH2D *hist); // draw histogram in canvas
  Int_t    Next(); // commands for drawing
  Bool_t   FindEvCh(Int_t nev, Int_t ch); // find requested event and chamber
  void     FillMuon(Int_t nfit, const Double_t *parOk, const Double_t *errOk); // fill muon info
  void     ResetMuon() { fxyMu[0][6] = fxyMu[1][6] = 9999; } // reset muons
  void     UpdateCluster(Int_t npad); // update cluster after removing non-overlapped pads

private:
  AliMUONData *fData; //!<  pointer to muon data container
  AliMUONClusterFinderAZ* fFind; //!<  pointer to ClusterFinder
  TH2D*      fHist[4]; //!<  histograms
  Int_t      fnMu; //!<  number of muons passing thru the selected area
  Double_t   fxyMu[2][7]; //!<  muon information
  Int_t      fEvent; //!<  current event
  Int_t      fChamber; //!<  current chamber
  Int_t      fidDE; //!<  current Det. Elem.
  Int_t      fDebug; //!<  debug level
  Int_t      fModif; //!<  modification flag (modified ROOT)

  // Functions

  AliMUONClusterDrawAZ(const AliMUONClusterDrawAZ& rhs);
  AliMUONClusterDrawAZ& operator=(const AliMUONClusterDrawAZ& rhs);
  void   Init(); // initialization
  void   ModifyHistos(); // modify histograms
  void   DrawHits(); // draw simulated and reconstructed hits
  TH2D*  GetBackground(Int_t iHist); // build histogram with bkg. contaminated pads

ClassDef(AliMUONClusterDrawAZ,0) // cluster drawing for MUON arm of ALICE
};

#endif