#ifndef ALITRDTRACKINGCHAMBER_H
#define ALITRDTRACKINGCHAMBER_H

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

/* $Id: AliTRDtrackingChamber.h 22646 2007-11-29 18:13:40Z cblume $ */

////////////////////////////////////////////////////////////////////////////
//                                                                        //
// Data container for one TRD chamber                                     // 
//                                                                        // 
// Authors:                                                               //
//                                                                        //
//    Alex Bercuci <A.Bercuci@gsi.de>                                     //
//                                                                        // 
////////////////////////////////////////////////////////////////////////////

#ifndef ALITRDCHAMBERTIMEBIN_H
#include "AliTRDchamberTimeBin.h"
#endif


#ifndef ALITRDSEEDV1_H
#include "AliTRDseedV1.h"
#endif

class AliTRDgeometry;
class AliTRDReconstructor;
class AliTRDtrackingChamber : public TObject
{

public:
  AliTRDtrackingChamber();
  virtual ~AliTRDtrackingChamber(){}
  
  void     Bootstrap(const AliTRDReconstructor *rec);
  Bool_t   Build(AliTRDgeometry *const geo);
  void     Clear(const Option_t *opt = NULL);
  Int_t    GetDetector() const { return fDetector;}
  Int_t    GetNClusters() const;
  Double_t GetQuality();
  Bool_t   GetSeedingLayer(AliTRDchamberTimeBin *&layer, AliTRDgeometry * const geo, const AliTRDReconstructor *rec);
  Float_t  GetX()        const {return fX0;}
  AliTRDchamberTimeBin* GetTB(int tb) {return tb >= 0 && tb < AliTRDseedV1::kNtb ? &fTB[tb] : NULL;}
  Float_t  GetExB() const      { return fExB;}
  Float_t  GetVD() const       { return fVD;}
  Float_t  GetT0() const       { return fT0;}
  Float_t  GetS2PRF() const    { return  fS2PRF;}
  Float_t  GetDiffL() const    { return  fDiffL;}
  Float_t  GetDiffT() const    { return  fDiffT;}

  void     Init(Int_t det);
  void     InsertCluster(AliTRDcluster *c, Int_t index, Bool_t hlt=kFALSE);
  
  void     Print(Option_t *opt = NULL) const;

  void     SetOwner();
  void     Update();

private:
  Int_t         fDetector;  // detector number
  Float_t       fX0;        // radial position of the pad plane
  Float_t       fExB;       // tg(a_L) for chamber
  Float_t       fVD;        // drift velocity for chamber
  Float_t       fT0;        // time 0 for chamber
  Float_t       fS2PRF;     // sigma^2 PRF for xd->0 and phi=a_L 
  Float_t       fDiffL;     // longitudinal diffusion coefficient
  Float_t       fDiffT;     // transversal diffusion coefficient
  
  AliTRDchamberTimeBin fTB[AliTRDseedV1::kNtb];    // time bins 
  
  
  ClassDef(AliTRDtrackingChamber, 2)  // TRD tracker container for one chamber
};

#endif  // ALITRDTRACKINGCHAMBER_H