[u/mrichter/AliRoot.git] / TRD / AliTRDchamberTimeBin.h

#ifndef ALITRDCHAMBERTIMEBIN_H
#define ALITRDCHAMBERTIMEBIN_H

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

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

////////////////////////////////////////////////////////////////////////////
//                                                                        //
//  A TRD layer in a single stack                                         //
//                                                                        //
////////////////////////////////////////////////////////////////////////////

#ifndef ROOT_TObject
#include "TObject.h"
#endif

class AliTRDcluster;
class AliTRDReconstructor;

class AliTRDchamberTimeBin : public TObject
{
public:
  enum AliTRDchamberTimeBinStatus {
     kT0    = BIT(14) // is the T0 time bin
    ,kOwner = BIT(15) // is owner of the clusters
  };
  enum{
     kMaxClustersLayer = 150
    ,kMaxRows = 16
  };

  AliTRDchamberTimeBin(Int_t plane=-1, Int_t stack=-1, Int_t sector=-1, Double_t z0=-1., Double_t zLength=-1.);
  //AliTRDchamberTimeBin(const AliTRDpropagationLayer &layer, Double_t z0, Double_t zLength, UChar_t stackNr);
  //AliTRDchamberTimeBin(const AliTRDpropagationLayer &layer);
  AliTRDchamberTimeBin(const AliTRDchamberTimeBin &layer);
  ~AliTRDchamberTimeBin();
  operator       Int_t() const  { return fN; }
  AliTRDchamberTimeBin&
                 operator=(const AliTRDchamberTimeBin &myLayer);
  AliTRDcluster* operator[](const Int_t i) const {
    return ((i < fN) && (i >= 0)) ? fClusters[i] : NULL;
  }

  void           Bootstrap(const AliTRDReconstructor *rec, Int_t det);
  void           BuildIndices(Int_t iter = 0);
  void           BuildCond(AliTRDcluster * const cl, Double_t *cond, UChar_t Layer, Double_t theta=0., Double_t phi=0.);
  void           Clear(const Option_t *opt = NULL);
  AliTRDcluster* GetCluster(Int_t index) const {return index < fN && index >= 0 ? fClusters[index] : NULL;}
  Int_t          GetGlobalIndex(Int_t index) const {return ((index < fN) && (index >= 0)) ? fIndex[index] : 0; }
  void           GetClusters(const Double_t * const cond, Int_t *index, Int_t& ncl, Int_t BufferSize = kMaxClustersLayer);
  AliTRDcluster* GetNearestCluster(Double_t *cond);
  Double_t       GetX()                            const {
  return fX;      }
  Double_t       GetZ0()                           const { return fZ0;     }
  Double_t       GetDZ0()                          const { return fZLength;}
  Int_t          GetNClusters()                    const { return fN; }
  Int_t          GetPlane()                        const { return fPlane;  }
  Int_t          GetStack()                        const { return fStack;  }
  Int_t          GetSector()                       const { return fSector; }
  void           InsertCluster(AliTRDcluster *c, UInt_t index);

  Bool_t         IsT0() const {return TestBit(kT0);}
  Bool_t         IsOwner() const {return TestBit(kOwner);}

  void           Print(Option_t *opt=NULL) const;
  Int_t          SearchNearestCluster(Double_t y, Double_t z, Double_t Roady, Double_t Roadz) const;
  void           SetRange(Float_t z0, Float_t zLength);
  void           SetNRows(Int_t nRows){ fNRows = nRows; }
  void           SetPlane(Int_t plane){ fPlane = plane; }
  void           SetReconstructor(const AliTRDReconstructor *rec) {fkReconstructor = rec;}
  void           SetStack(Int_t stack){ fStack = stack; }
  void           SetSector(Int_t sector){ fSector = sector; }
  void           SetOwner(Bool_t copy=kTRUE);
  void           SetT0(Bool_t set=kTRUE) {SetBit(kT0, set);}
  void           SetX(Double_t x) {fX = x;}
private:
  void           Copy(TObject &o) const;
  Int_t          Find(Float_t y) const;
  Int_t          FindYPosition(Double_t y, UChar_t z, Int_t nClusters) const;
  Int_t          FindNearestYCluster(Double_t y, UChar_t z) const;

private:
  const AliTRDReconstructor *fkReconstructor; //!
  Char_t        fPlane;               //! Plane number
  Char_t        fStack;               //!  stack number in supermodule
  Char_t        fSector;              //! Sector mumber
  Char_t        fNRows;               //!  number of pad rows in the chamber
  UChar_t       fPositions[kMaxRows]; //!  starting index of clusters in pad row 
  Int_t         fN;                   //! number of clusters
  AliTRDcluster *fClusters[kMaxClustersLayer];            //Array of pointers to clusters
  UInt_t        fIndex[kMaxClustersLayer];                //!Array of cluster indexes
  Double_t      fX;                   //!  radial position of tb
  
  // obsolete !!
  Double_t      fZ0;                  //  starting position of the layer in Z direction
  Double_t      fZLength;             //  length of the layer in Z direction
  
  ClassDef(AliTRDchamberTimeBin, 2)   //  tracking propagation layer for one time bin in chamber

};

#endif	// ALITRDCHAMBERTIMEBIN_H
Commit	Line	Data
	1	#ifndef ALITRDCHAMBERTIMEBIN_H
	2	#define ALITRDCHAMBERTIMEBIN_H
	3
	4	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	5	* See cxx source for full Copyright notice */
	6
	7	/* $Id: AliTRDchamberTimeBin.h 22646 2007-11-29 18:13:40Z cblume $ */
	8
	9	////////////////////////////////////////////////////////////////////////////
	10	// //
	11	// A TRD layer in a single stack //
	12	// //
	13	////////////////////////////////////////////////////////////////////////////
	14
	15	#ifndef ROOT_TObject
	16	#include "TObject.h"
	17	#endif
	18
	19	class AliTRDcluster;
	20	class AliTRDReconstructor;
	21
	22	class AliTRDchamberTimeBin : public TObject
	23	{
	24	public:
	25	enum AliTRDchamberTimeBinStatus {
	26	kT0 = BIT(14) // is the T0 time bin
	27	,kOwner = BIT(15) // is owner of the clusters
	28	};
	29	enum{
	30	kMaxClustersLayer = 150
	31	,kMaxRows = 16
	32	};
	33
	34	AliTRDchamberTimeBin(Int_t plane=-1, Int_t stack=-1, Int_t sector=-1, Double_t z0=-1., Double_t zLength=-1.);
	35	//AliTRDchamberTimeBin(const AliTRDpropagationLayer &layer, Double_t z0, Double_t zLength, UChar_t stackNr);
	36	//AliTRDchamberTimeBin(const AliTRDpropagationLayer &layer);
	37	AliTRDchamberTimeBin(const AliTRDchamberTimeBin &layer);
	38	~AliTRDchamberTimeBin();
	39	operator Int_t() const { return fN; }
	40	AliTRDchamberTimeBin&
	41	operator=(const AliTRDchamberTimeBin &myLayer);
	42	AliTRDcluster* operator[](const Int_t i) const {
	43	return ((i < fN) && (i >= 0)) ? fClusters[i] : NULL;
	44	}
	45
	46	void Bootstrap(const AliTRDReconstructor *rec, Int_t det);
	47	void BuildIndices(Int_t iter = 0);
	48	void BuildCond(AliTRDcluster * const cl, Double_t *cond, UChar_t Layer, Double_t theta=0., Double_t phi=0.);
	49	void Clear(const Option_t *opt = NULL);
	50	AliTRDcluster* GetCluster(Int_t index) const {return index < fN && index >= 0 ? fClusters[index] : NULL;}
	51	Int_t GetGlobalIndex(Int_t index) const {return ((index < fN) && (index >= 0)) ? fIndex[index] : 0; }
	52	void GetClusters(const Double_t * const cond, Int_t *index, Int_t& ncl, Int_t BufferSize = kMaxClustersLayer);
	53	AliTRDcluster* GetNearestCluster(Double_t *cond);
	54	Double_t GetX() const {
	55	return fX; }
	56	Double_t GetZ0() const { return fZ0; }
	57	Double_t GetDZ0() const { return fZLength;}
	58	Int_t GetNClusters() const { return fN; }
	59	Int_t GetPlane() const { return fPlane; }
	60	Int_t GetStack() const { return fStack; }
	61	Int_t GetSector() const { return fSector; }
	62	void InsertCluster(AliTRDcluster *c, UInt_t index);
	63
	64	Bool_t IsT0() const {return TestBit(kT0);}
	65	Bool_t IsOwner() const {return TestBit(kOwner);}
	66
	67	void Print(Option_t *opt=NULL) const;
	68	Int_t SearchNearestCluster(Double_t y, Double_t z, Double_t Roady, Double_t Roadz) const;
	69	void SetRange(Float_t z0, Float_t zLength);
	70	void SetNRows(Int_t nRows){ fNRows = nRows; }
	71	void SetPlane(Int_t plane){ fPlane = plane; }
	72	void SetReconstructor(const AliTRDReconstructor *rec) {fkReconstructor = rec;}
	73	void SetStack(Int_t stack){ fStack = stack; }
	74	void SetSector(Int_t sector){ fSector = sector; }
	75	void SetOwner(Bool_t copy=kTRUE);
	76	void SetT0(Bool_t set=kTRUE) {SetBit(kT0, set);}
	77	void SetX(Double_t x) {fX = x;}
	78	private:
	79	void Copy(TObject &o) const;
	80	Int_t Find(Float_t y) const;
	81	Int_t FindYPosition(Double_t y, UChar_t z, Int_t nClusters) const;
	82	Int_t FindNearestYCluster(Double_t y, UChar_t z) const;
	83
	84	private:
	85	const AliTRDReconstructor *fkReconstructor; //!
	86	Char_t fPlane; //! Plane number
	87	Char_t fStack; //! stack number in supermodule
	88	Char_t fSector; //! Sector mumber
	89	Char_t fNRows; //! number of pad rows in the chamber
	90	UChar_t fPositions[kMaxRows]; //! starting index of clusters in pad row
	91	Int_t fN; //! number of clusters
	92	AliTRDcluster *fClusters[kMaxClustersLayer]; //Array of pointers to clusters
	93	UInt_t fIndex[kMaxClustersLayer]; //!Array of cluster indexes
	94	Double_t fX; //! radial position of tb
	95
	96	// obsolete !!
	97	Double_t fZ0; // starting position of the layer in Z direction
	98	Double_t fZLength; // length of the layer in Z direction
	99
	100	ClassDef(AliTRDchamberTimeBin, 2) // tracking propagation layer for one time bin in chamber
	101
	102	};
	103
	104	#endif // ALITRDCHAMBERTIMEBIN_H
	105