[u/mrichter/AliRoot.git] / TPC / AliTPCtrackerMI.h

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


/* $Id$ */

//-------------------------------------------------------
//                       TPC tracker
//   Parallel tracker 
//
//   Origin: 
//-------------------------------------------------------

#include <TError.h>
#include "AliTracker.h"
#include "AliTPCreco.h"
#include "AliPID.h"


class TFile;
class AliTPCParam;
class AliTPCseed;
class AliTPCclusterMI;
class AliTPCTrackerPoint;
class AliESD;   
class TTree;
class AliESDkink;
class TTreeSRedirector;
class AliTrackPoint;

class AliTPCtrackerMI : public AliTracker {
public:
  AliTPCtrackerMI():AliTracker(),fkNIS(0),fkNOS(0) {
    fInnerSec=fOuterSec=0; fSeeds=0; 
  }
  AliTPCtrackerMI(const AliTPCParam *par); 
  virtual ~AliTPCtrackerMI();
  //
  void SetIteration(Int_t iteration){fIteration = iteration;}
  virtual Int_t Clusters2Tracks (AliESD *esd);
  virtual Int_t RefitInward (AliESD *esd);
  virtual Int_t LoadClusters (TTree * tree);
  Int_t  LoadClusters();
  void   UnloadClusters();
  void   Transform(AliCluster * cluster);
  //
  void SetIO();  //set default IO from folders
  void SetIO(TTree * input, TTree * output, AliESD * event);
  void FillESD(TObjArray* arr);
  void WriteTracks();
  void WriteTracks(TTree * tree);  
  void DeleteSeeds();
  void SetDebug(Int_t debug){ fDebug = debug;}
  void FindKinks(TObjArray * array, AliESD * esd);
  void FindV0s(TObjArray * array, AliESD * esd);
  void UpdateKinkQualityM(AliTPCseed * seed);
  void UpdateKinkQualityD(AliTPCseed * seed);
  Int_t CheckKinkPoint(AliTPCseed*seed, AliTPCseed &mother, AliTPCseed &daughter, AliESDkink &kink);
  Int_t RefitKink(AliTPCseed &mother, AliTPCseed &daughter, AliESDkink &kink);
   Int_t ReadSeeds(const TFile *in);
   TObjArray * GetSeeds(){return fSeeds;}
   //   
   AliCluster * GetCluster(Int_t index) const {return (AliCluster*)GetClusterMI(index);}
   AliTPCclusterMI *GetClusterMI(Int_t index) const;
   Int_t Clusters2Tracks();
   virtual void  CookLabel(AliKalmanTrack *tk,Float_t wrong) const; 
   virtual Int_t   CookLabel(AliTPCseed *t,Float_t wrong, Int_t first,Int_t last ) const; 
   
   void RotateToLocal(AliTPCseed *seed);
  
   
   Int_t FollowProlongation(AliTPCseed& t, Int_t rf=0, Int_t step=1);
   Int_t FollowProlongationFast(AliTPCseed& t, Int_t rf=0, Int_t step=1);
   Bool_t GetTrackPoint(Int_t index, AliTrackPoint &p ) const; 

   Int_t FollowBackProlongation(AliTPCseed& t, Int_t rf);
   Int_t FollowToNext(AliTPCseed& t, Int_t nr);
   Int_t FollowToNextFast(AliTPCseed& t, Int_t nr);
   Int_t UpdateClusters(AliTPCseed& t,  Int_t nr);
   Int_t FollowToNextCluster( AliTPCseed& t, Int_t nr);

   Int_t PropagateBack(TObjArray * arr);
   Int_t PropagateBack(AliESD * event);
   Int_t PropagateBack(AliTPCseed *pt, Int_t row0, Int_t row1);   
   Int_t PropagateForward();
   Int_t PropagateForward2(TObjArray * arr);

   void SortTracks(TObjArray * arr, Int_t mode) const;
  

   virtual Double_t ErrY2(AliTPCseed* seed, AliTPCclusterMI * cl = 0);
   virtual Double_t ErrZ2(AliTPCseed* seed, AliTPCclusterMI * cl = 0);   

   Double_t F1(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3); 
   Double_t F1old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3); 
   Double_t F2(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3); 
   Double_t F2old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3); 

   Double_t F3(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2); 
   Double_t F3n(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2, 
                Double_t c); 
   Bool_t GetProlongation(Double_t x1, Double_t x2, Double_t x[5], Double_t &y, Double_t &z);

 public:
//**************** Internal tracker class ********************** 
   class AliTPCSector;
   class AliTPCRow {
     friend class AliTPCtrackerMI;
     friend class AliTPCtrackerMI::AliTPCSector;
   public:
     AliTPCRow();
     ~AliTPCRow();
     void InsertCluster(const AliTPCclusterMI *c, UInt_t index);
     void ResetClusters();
     operator int() const {return fN;}
     Int_t GetN() const {return fN;}
     const AliTPCclusterMI* operator[](Int_t i) const {return fClusters[i];}
     UInt_t GetIndex(Int_t i) const {return fIndex[i];}
     inline Int_t Find(Double_t z) const; 
     AliTPCclusterMI *  FindNearest(Double_t y, Double_t z, Double_t roady, Double_t roadz) const;
     AliTPCclusterMI *  FindNearest2(Double_t y, Double_t z, Double_t roady, Double_t roadz, UInt_t & index) const;
     AliTPCclusterMI *  FindNearest3(Double_t y, Double_t z, Double_t roady, Double_t roadz, UInt_t & index) const;
     
     void SetX(Double_t x) {fX=x;}
     Double_t GetX() const {return fX;}
private:  
     AliTPCRow & operator=(const AliTPCRow & );
     AliTPCRow(const AliTPCRow& /*r*/);           //dummy copy constructor
     Float_t fDeadZone;  // the width of the dead zone
     AliTPCclusterMI *fClusters1; //array with clusters 1
     Int_t fN1;  //number of clusters on left side
     AliTPCclusterMI *fClusters2; //array with clusters 2
     Int_t fN2; // number of clusters on right side of the TPC
     Short_t fFastCluster[510];   //index of the nearest cluster at given position
     Int_t fN;                                          //number of clusters 
     const AliTPCclusterMI *fClusters[kMaxClusterPerRow]; //pointers to clusters
                               // indexes for cluster at given position z  
     // AliTPCclusterMI *fClustersArray;                     // 
     UInt_t fIndex[kMaxClusterPerRow];                  //indeces of clusters
     Double_t fX;                                 //X-coordinate of this row

   };

//**************** Internal tracker class ********************** 
   class AliTPCSector {
     friend class AliTPCtrackerMI;
   public:
     AliTPCSector() { fN=0; fRow = 0; }
    ~AliTPCSector() { delete[] fRow; }
    AliTPCRow& operator[](Int_t i) const { return *(fRow+i); }
    Int_t GetNRows() const { return fN; }
    void Setup(const AliTPCParam *par, Int_t flag);
    Double_t GetX(Int_t l) const {return fRow[l].GetX();}
    Double_t GetMaxY(Int_t l) const {
      return GetX(l)*TMath::Tan(0.5*GetAlpha());
    } 
    Double_t GetAlpha() const {return fAlpha;}
    Double_t GetAlphaShift() const {return fAlphaShift;}     
    //Int_t GetFirst(){return fFirstRow;}
    Int_t GetRowNumber(Double_t  x) const;
    Double_t GetPadPitchWidth()  const {return fPadPitchWidth;}
    Double_t GetPadPitchLength() const {return fPadPitchLength;}
    Double_t GetPadPitchLength(Float_t x) const {return (x<200) ? fPadPitchLength:f2PadPitchLength ;}
    
   private:
    AliTPCSector & operator=(const AliTPCSector & );
    AliTPCSector(const AliTPCSector &/*s*/);           //dummy copy contructor 
    Int_t fN;                        //number of pad rows 
    //Int_t fFirstRow;                 //offset
    AliTPCRow *fRow;                    //array of pad rows
    Double_t fAlpha;                    //opening angle
    Double_t fAlphaShift;               //shift angle;
    Double_t fPadPitchWidth;            //pad pitch width
    Double_t fPadPitchLength;           //pad pitch length
    Double_t f1PadPitchLength;           //pad pitch length
    Double_t f2PadPitchLength;           //pad pitch length
    
   };

   Float_t OverlapFactor(AliTPCseed * s1, AliTPCseed * s2, Int_t &sum1, Int_t &sum2);
   void  SignShared(AliTPCseed * s1, AliTPCseed * s2);
   void  SignShared(TObjArray * arr);

   void  RemoveUsed(TObjArray * arr, Float_t factor1, Float_t factor2,  Int_t removalindex);
   void  RemoveUsed2(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t minimal);
   void  RemoveDouble(TObjArray * arr, Float_t factor1, Float_t factor2,  Int_t removalindex);

   void  StopNotActive(TObjArray * arr, Int_t row0, Float_t th0, Float_t th1, Float_t th2) const;
   void  StopNotActive(AliTPCseed * seed, Int_t row0, Float_t th0, Float_t th1, Float_t th2) const;
   Int_t AcceptCluster(AliTPCseed * seed, AliTPCclusterMI * cluster, Float_t factor, Float_t cory=1., Float_t corz=1.);

private:
  AliTPCtrackerMI(const AliTPCtrackerMI& r);           //dummy copy constructor
  AliTPCtrackerMI &operator=(const AliTPCtrackerMI& r);//dummy assignment operator
   inline AliTPCRow &GetRow(Int_t sec, Int_t row);
   inline Bool_t     IsActive(Int_t sec, Int_t row);
   inline Double_t  GetXrow(Int_t row) const;
   inline Double_t  GetMaxY(Int_t row) const;
   inline Int_t GetRowNumber(Double_t x) const;
   Int_t GetRowNumber(Double_t x[3]) const;
   inline Double_t GetPadPitchLength(Double_t x) const;
   inline Double_t GetPadPitchLength(Int_t row) const;

   Float_t  GetSigmaY(AliTPCseed * seed);
   Float_t  GetSigmaZ(AliTPCseed * seed);
   void GetShape(AliTPCseed * seed, Int_t row);
 
   void ReadSeeds(AliESD *event, Int_t direction);  //read seeds from the event

   void MakeSeeds3(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2, Float_t cuts[4], Float_t deltay = -1, Int_t ddsec=0); 
   void MakeSeeds5(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2, Float_t cuts[4], Float_t deltay = -1);

   void MakeSeeds2(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2, Float_t cuts[4], Float_t deltay = -1, Bool_t bconstrain=kTRUE);
  

   AliTPCseed *MakeSeed(AliTPCseed *t, Float_t r0, Float_t r1, Float_t r2); //reseed
   AliTPCseed *ReSeed(AliTPCseed *t, Float_t r0, Float_t r1, Float_t r2); //reseed
   AliTPCseed *ReSeed(AliTPCseed *t, Int_t r0, Bool_t forward); //reseed


   AliTPCseed * ReSeed(AliTPCseed *t);
   Int_t LoadInnerSectors();
   Int_t LoadOuterSectors();
   void UnsignClusters();
   void SignClusters(TObjArray * arr, Float_t fnumber=3., Float_t fdensity=2.);  

   void ParallelTracking(TObjArray * arr, Int_t rfirst, Int_t rlast);
   void Tracking(TObjArray * arr);
   TObjArray * Tracking(Int_t seedtype, Int_t i1, Int_t i2, Float_t cuts[4], Float_t dy=-1, Int_t dsec=0);
   TObjArray * Tracking();
   TObjArray * TrackingSpecial();
   void SumTracks(TObjArray *arr1,TObjArray *arr2) const;
   void PrepareForBackProlongation(TObjArray * arr, Float_t fac) const;
   void PrepareForProlongation(TObjArray * arr, Float_t fac) const;

   void SetSampledEdx(AliTPCseed */*t*/, Float_t /*q*/, Int_t /*i*/) {;}
   Int_t UpdateTrack(AliTPCseed *t, Int_t accept); //update trackinfo


   const Int_t fkNIS;        //number of inner sectors
   AliTPCSector *fInnerSec;  //array of inner sectors;
   const Int_t fkNOS;        //number of outer sectors
   AliTPCSector *fOuterSec;  //array of outer sectors;

   Int_t fN;               //number of loaded sectors
   AliTPCSector *fSectors; //pointer to loaded sectors;
   //
   TTree * fInput;       // input tree with clusters
   TTree * fOutput;      // output tree with tracks
   TTree * fSeedTree;    // output tree with seeds - filled in debug mode 1
   TTree * fTreeDebug;   // output with a debug information about track
   AliESD * fEvent;      // output with esd tracks
   Int_t    fDebug;      // debug option        
   Bool_t   fNewIO;      // indicated if we have data using New IO 
   Int_t fNtracks;                     //current number of tracks
   TObjArray *fSeeds;                  //array of track seeds
   Int_t fIteration;                   // indicate iteration - 0 - froward -1 back - 2forward - back->forward
   //   TObjArray * fTrackPointPool;        // ! pool with track points
   //   TObjArray * fSeedPool;              //! pool with seeds
   Double_t fXRow[200];                // radius of the pad row
   Double_t fYMax[200];                // max y for given pad row
   Double_t fPadLength[200];                // max y for given pad row
   const AliTPCParam *fParam;          //pointer to the parameters
   TTreeSRedirector *fDebugStreamer;     //!debug streamer
   ClassDef(AliTPCtrackerMI,1) 
};


AliTPCtrackerMI::AliTPCRow & AliTPCtrackerMI::GetRow(Int_t sec, Int_t row)
{
  //
  return (row>=fInnerSec->GetNRows()) ? fOuterSec[sec][row-fInnerSec->GetNRows()]:fInnerSec[sec][row];
}

Bool_t   AliTPCtrackerMI::IsActive(Int_t sec, Int_t row)
{
  //
  // check if the given sector row is active 
  //
  return (row>=fInnerSec->GetNRows()) ? fOuterSec[sec][row-fInnerSec->GetNRows()].GetN()>0:fInnerSec[sec][row].GetN()>0;
}


Double_t  AliTPCtrackerMI::GetXrow(Int_t row) const {
  //  return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetX(row-fInnerSec->GetNRows()):fInnerSec->GetX(row);
  return fXRow[row];
}

Double_t  AliTPCtrackerMI::GetMaxY(Int_t row) const {
  //return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetMaxY(row-fInnerSec->GetNRows()):fInnerSec->GetMaxY(row);
  return fYMax[row];
}

Int_t AliTPCtrackerMI::GetRowNumber(Double_t x) const
{
  //
  return (x>133.) ? fOuterSec->GetRowNumber(x)+fInnerSec->GetNRows():fInnerSec->GetRowNumber(x);
}

Double_t  AliTPCtrackerMI::GetPadPitchLength(Double_t x) const
{
  //
  return (x>133.) ? fOuterSec->GetPadPitchLength(x):fInnerSec->GetPadPitchLength(x);
  //return fPadLength[row];
}

Double_t  AliTPCtrackerMI::GetPadPitchLength(Int_t row) const
{
  //
  return fPadLength[row];
}


#endif
Commit	Line	Data
1c53abe2	1	#ifndef ALITPCTRACKERMI_H
	2	#define ALITPCTRACKERMI_H
	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
91162307	6
1c53abe2	7	/* $Id$ */
	8
	9	//-------------------------------------------------------
47966a6d	10	// TPC tracker
47966a6d	11	// Parallel tracker
1c53abe2	12	//
	13	// Origin:
	14	//-------------------------------------------------------
6d171107	15
81e97e0d	16	#include <TError.h>
1c53abe2	17	#include "AliTracker.h"
81e97e0d	18	#include "AliTPCreco.h"
	19	#include "AliPID.h"
	20
b67e07dc	21
1c53abe2	22	class TFile;
	23	class AliTPCParam;
	24	class AliTPCseed;
	25	class AliTPCclusterMI;
91162307	26	class AliTPCTrackerPoint;
	27	class AliESD;
	28	class TTree;
eea478d3	29	class AliESDkink;
81e97e0d	30	class TTreeSRedirector;
2ccb4dfc	31	class AliTrackPoint;
1c53abe2	32
	33	class AliTPCtrackerMI : public AliTracker {
	34	public:
d26d9159	35	AliTPCtrackerMI():AliTracker(),fkNIS(0),fkNOS(0) {
	36	fInnerSec=fOuterSec=0; fSeeds=0;
	37	}
	38	AliTPCtrackerMI(const AliTPCParam *par);
b67e07dc	39	virtual ~AliTPCtrackerMI();
91162307	40	//
d26d9159	41	void SetIteration(Int_t iteration){fIteration = iteration;}
	42	virtual Int_t Clusters2Tracks (AliESD *esd);
	43	virtual Int_t RefitInward (AliESD *esd);
	44	virtual Int_t LoadClusters (TTree * tree);
	45	Int_t LoadClusters();
	46	void UnloadClusters();
0201b65c	47	void Transform(AliCluster * cluster);
91162307	48	//
	49	void SetIO(); //set default IO from folders
	50	void SetIO(TTree * input, TTree * output, AliESD * event);
d26d9159	51	void FillESD(TObjArray* arr);
91162307	52	void WriteTracks();
d26d9159	53	void WriteTracks(TTree * tree);
91162307	54	void DeleteSeeds();
91162307	55	void SetDebug(Int_t debug){ fDebug = debug;}
51ad6848	56	void FindKinks(TObjArray * array, AliESD * esd);
81e97e0d	57	void FindV0s(TObjArray * array, AliESD * esd);
51ad6848	58	void UpdateKinkQualityM(AliTPCseed * seed);
eea478d3	59	void UpdateKinkQualityD(AliTPCseed * seed);
	60	Int_t CheckKinkPoint(AliTPCseed*seed, AliTPCseed &mother, AliTPCseed &daughter, AliESDkink &kink);
	61	Int_t RefitKink(AliTPCseed &mother, AliTPCseed &daughter, AliESDkink &kink);
1c53abe2	62	Int_t ReadSeeds(const TFile *in);
91162307	63	TObjArray * GetSeeds(){return fSeeds;}
91162307	64	//
34acb742	65	AliCluster * GetCluster(Int_t index) const {return (AliCluster*)GetClusterMI(index);}
1c53abe2	66	AliTPCclusterMI *GetClusterMI(Int_t index) const;
f8aae377	67	Int_t Clusters2Tracks();
af32720d	68	virtual void CookLabel(AliKalmanTrack *tk,Float_t wrong) const;
51ad6848	69	virtual Int_t CookLabel(AliTPCseed *t,Float_t wrong, Int_t first,Int_t last ) const;
91162307	70
c9427e08	71	void RotateToLocal(AliTPCseed *seed);
91162307	72
	73
	74	Int_t FollowProlongation(AliTPCseed& t, Int_t rf=0, Int_t step=1);
	75	Int_t FollowProlongationFast(AliTPCseed& t, Int_t rf=0, Int_t step=1);
2ccb4dfc	76	Bool_t GetTrackPoint(Int_t index, AliTrackPoint &p ) const;
2ccb4dfc	77
91162307	78	Int_t FollowBackProlongation(AliTPCseed& t, Int_t rf);
	79	Int_t FollowToNext(AliTPCseed& t, Int_t nr);
	80	Int_t FollowToNextFast(AliTPCseed& t, Int_t nr);
	81	Int_t UpdateClusters(AliTPCseed& t, Int_t nr);
	82	Int_t FollowToNextCluster( AliTPCseed& t, Int_t nr);
	83
91162307	84	Int_t PropagateBack(TObjArray * arr);
	85	Int_t PropagateBack(AliESD * event);
	86	Int_t PropagateBack(AliTPCseed *pt, Int_t row0, Int_t row1);
	87	Int_t PropagateForward();
	88	Int_t PropagateForward2(TObjArray * arr);
	89
47966a6d	90	void SortTracks(TObjArray * arr, Int_t mode) const;
91162307	91
91162307	92
1c53abe2	93	virtual Double_t ErrY2(AliTPCseed* seed, AliTPCclusterMI * cl = 0);
	94	virtual Double_t ErrZ2(AliTPCseed* seed, AliTPCclusterMI * cl = 0);
	95
b67e07dc	96	Double_t F1(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
	97	Double_t F1old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
	98	Double_t F2(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
	99	Double_t F2old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
91162307	100
b67e07dc	101	Double_t F3(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2);
b67e07dc	102	Double_t F3n(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2,
91162307	103	Double_t c);
	104	Bool_t GetProlongation(Double_t x1, Double_t x2, Double_t x[5], Double_t &y, Double_t &z);
	105
b67e07dc	106	public:
1c53abe2	107	//************** Internal tracker class ********************
b67e07dc	108	class AliTPCSector;
1c53abe2	109	class AliTPCRow {
b67e07dc	110	friend class AliTPCtrackerMI;
b67e07dc	111	friend class AliTPCtrackerMI::AliTPCSector;
1c53abe2	112	public:
b67e07dc	113	AliTPCRow();
1c53abe2	114	~AliTPCRow();
1c53abe2	115	void InsertCluster(const AliTPCclusterMI *c, UInt_t index);
982aff31	116	void ResetClusters();
1c53abe2	117	operator int() const {return fN;}
91162307	118	Int_t GetN() const {return fN;}
1c53abe2	119	const AliTPCclusterMI* operator[](Int_t i) const {return fClusters[i];}
1c53abe2	120	UInt_t GetIndex(Int_t i) const {return fIndex[i];}
91162307	121	inline Int_t Find(Double_t z) const;
1627d1c4	122	AliTPCclusterMI * FindNearest(Double_t y, Double_t z, Double_t roady, Double_t roadz) const;
91162307	123	AliTPCclusterMI * FindNearest2(Double_t y, Double_t z, Double_t roady, Double_t roadz, UInt_t & index) const;
	124	AliTPCclusterMI * FindNearest3(Double_t y, Double_t z, Double_t roady, Double_t roadz, UInt_t & index) const;
	125
1c53abe2	126	void SetX(Double_t x) {fX=x;}
1c53abe2	127	Double_t GetX() const {return fX;}
6d171107	128	private:
9996a03b	129	AliTPCRow & operator=(const AliTPCRow & );
9996a03b	130	AliTPCRow(const AliTPCRow& /r/); //dummy copy constructor
1c53abe2	131	Float_t fDeadZone; // the width of the dead zone
91162307	132	AliTPCclusterMI *fClusters1; //array with clusters 1
b67e07dc	133	Int_t fN1; //number of clusters on left side
91162307	134	AliTPCclusterMI *fClusters2; //array with clusters 2
b67e07dc	135	Int_t fN2; // number of clusters on right side of the TPC
b67e07dc	136	Short_t fFastCluster[510]; //index of the nearest cluster at given position
1c53abe2	137	Int_t fN; //number of clusters
1c53abe2	138	const AliTPCclusterMI *fClusters[kMaxClusterPerRow]; //pointers to clusters
91162307	139	// indexes for cluster at given position z
91162307	140	// AliTPCclusterMI *fClustersArray; //
1c53abe2	141	UInt_t fIndex[kMaxClusterPerRow]; //indeces of clusters
1c53abe2	142	Double_t fX; //X-coordinate of this row
2fc0c115	143
1c53abe2	144	};
	145
	146	//************** Internal tracker class ********************
	147	class AliTPCSector {
b67e07dc	148	friend class AliTPCtrackerMI;
1c53abe2	149	public:
	150	AliTPCSector() { fN=0; fRow = 0; }
	151	~AliTPCSector() { delete[] fRow; }
9996a03b	152	AliTPCRow& operator[](Int_t i) const { return *(fRow+i); }
	153	Int_t GetNRows() const { return fN; }
	154	void Setup(const AliTPCParam *par, Int_t flag);
	155	Double_t GetX(Int_t l) const {return fRow[l].GetX();}
	156	Double_t GetMaxY(Int_t l) const {
	157	return GetX(l)TMath::Tan(0.5GetAlpha());
	158	}
	159	Double_t GetAlpha() const {return fAlpha;}
	160	Double_t GetAlphaShift() const {return fAlphaShift;}
	161	//Int_t GetFirst(){return fFirstRow;}
	162	Int_t GetRowNumber(Double_t x) const;
	163	Double_t GetPadPitchWidth() const {return fPadPitchWidth;}
	164	Double_t GetPadPitchLength() const {return fPadPitchLength;}
	165	Double_t GetPadPitchLength(Float_t x) const {return (x<200) ? fPadPitchLength:f2PadPitchLength ;}
	166
1c53abe2	167	private:
9996a03b	168	AliTPCSector & operator=(const AliTPCSector & );
	169	AliTPCSector(const AliTPCSector &/s/); //dummy copy contructor
	170	Int_t fN; //number of pad rows
	171	//Int_t fFirstRow; //offset
	172	AliTPCRow *fRow; //array of pad rows
	173	Double_t fAlpha; //opening angle
	174	Double_t fAlphaShift; //shift angle;
	175	Double_t fPadPitchWidth; //pad pitch width
	176	Double_t fPadPitchLength; //pad pitch length
	177	Double_t f1PadPitchLength; //pad pitch length
	178	Double_t f2PadPitchLength; //pad pitch length
1c53abe2	179
1c53abe2	180	};
	181
	182	Float_t OverlapFactor(AliTPCseed * s1, AliTPCseed * s2, Int_t &sum1, Int_t &sum2);
	183	void SignShared(AliTPCseed * s1, AliTPCseed * s2);
91162307	184	void SignShared(TObjArray * arr);
	185
	186	void RemoveUsed(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t removalindex);
51ad6848	187	void RemoveUsed2(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t minimal);
91162307	188	void RemoveDouble(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t removalindex);
91162307	189
47966a6d	190	void StopNotActive(TObjArray * arr, Int_t row0, Float_t th0, Float_t th1, Float_t th2) const;
47966a6d	191	void StopNotActive(AliTPCseed * seed, Int_t row0, Float_t th0, Float_t th1, Float_t th2) const;
91162307	192	Int_t AcceptCluster(AliTPCseed * seed, AliTPCclusterMI * cluster, Float_t factor, Float_t cory=1., Float_t corz=1.);
c9427e08	193
1c53abe2	194	private:
6c94f330	195	AliTPCtrackerMI(const AliTPCtrackerMI& r); //dummy copy constructor
6c94f330	196	AliTPCtrackerMI &operator=(const AliTPCtrackerMI& r);//dummy assignment operator
91162307	197	inline AliTPCRow &GetRow(Int_t sec, Int_t row);
5afd7dbd	198	inline Bool_t IsActive(Int_t sec, Int_t row);
47966a6d	199	inline Double_t GetXrow(Int_t row) const;
	200	inline Double_t GetMaxY(Int_t row) const;
	201	inline Int_t GetRowNumber(Double_t x) const;
eea478d3	202	Int_t GetRowNumber(Double_t x[3]) const;
47966a6d	203	inline Double_t GetPadPitchLength(Double_t x) const;
47966a6d	204	inline Double_t GetPadPitchLength(Int_t row) const;
91162307	205
1c53abe2	206	Float_t GetSigmaY(AliTPCseed * seed);
1c53abe2	207	Float_t GetSigmaZ(AliTPCseed * seed);
91162307	208	void GetShape(AliTPCseed * seed, Int_t row);
91162307	209
d26d9159	210	void ReadSeeds(AliESD *event, Int_t direction); //read seeds from the event
1c53abe2	211
91162307	212	void MakeSeeds3(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2, Float_t cuts[4], Float_t deltay = -1, Int_t ddsec=0);
91162307	213	void MakeSeeds5(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2, Float_t cuts[4], Float_t deltay = -1);
1627d1c4	214
91162307	215	void MakeSeeds2(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2, Float_t cuts[4], Float_t deltay = -1, Bool_t bconstrain=kTRUE);
91162307	216
1c53abe2	217
91162307	218	AliTPCseed MakeSeed(AliTPCseed t, Float_t r0, Float_t r1, Float_t r2); //reseed
d26d9159	219	AliTPCseed ReSeed(AliTPCseed t, Float_t r0, Float_t r1, Float_t r2); //reseed
eea478d3	220	AliTPCseed ReSeed(AliTPCseed t, Int_t r0, Bool_t forward); //reseed
91162307	221
	222
	223
	224	AliTPCseed * ReSeed(AliTPCseed *t);
	225	Int_t LoadInnerSectors();
	226	Int_t LoadOuterSectors();
	227	void UnsignClusters();
	228	void SignClusters(TObjArray * arr, Float_t fnumber=3., Float_t fdensity=2.);
	229
	230	void ParallelTracking(TObjArray * arr, Int_t rfirst, Int_t rlast);
	231	void Tracking(TObjArray * arr);
	232	TObjArray * Tracking(Int_t seedtype, Int_t i1, Int_t i2, Float_t cuts[4], Float_t dy=-1, Int_t dsec=0);
	233	TObjArray * Tracking();
a395b09f	234	TObjArray * TrackingSpecial();
47966a6d	235	void SumTracks(TObjArray arr1,TObjArray arr2) const;
	236	void PrepareForBackProlongation(TObjArray * arr, Float_t fac) const;
	237	void PrepareForProlongation(TObjArray * arr, Float_t fac) const;
1c53abe2	238
4c57c771	239	void SetSampledEdx(AliTPCseed /t/, Float_t /q/, Int_t /i*/) {;}
91162307	240	Int_t UpdateTrack(AliTPCseed *t, Int_t accept); //update trackinfo
1c53abe2	241
1c53abe2	242
1c53abe2	243	const Int_t fkNIS; //number of inner sectors
	244	AliTPCSector *fInnerSec; //array of inner sectors;
	245	const Int_t fkNOS; //number of outer sectors
	246	AliTPCSector *fOuterSec; //array of outer sectors;
	247
	248	Int_t fN; //number of loaded sectors
	249	AliTPCSector *fSectors; //pointer to loaded sectors;
91162307	250	//
	251	TTree * fInput; // input tree with clusters
	252	TTree * fOutput; // output tree with tracks
	253	TTree * fSeedTree; // output tree with seeds - filled in debug mode 1
	254	TTree * fTreeDebug; // output with a debug information about track
	255	AliESD * fEvent; // output with esd tracks
	256	Int_t fDebug; // debug option
	257	Bool_t fNewIO; // indicated if we have data using New IO
1c53abe2	258	Int_t fNtracks; //current number of tracks
1c53abe2	259	TObjArray *fSeeds; //array of track seeds
91162307	260	Int_t fIteration; // indicate iteration - 0 - froward -1 back - 2forward - back->forward
1c53abe2	261	// TObjArray * fTrackPointPool; // ! pool with track points
91162307	262	// TObjArray * fSeedPool; //! pool with seeds
	263	Double_t fXRow[200]; // radius of the pad row
	264	Double_t fYMax[200]; // max y for given pad row
	265	Double_t fPadLength[200]; // max y for given pad row
1c53abe2	266	const AliTPCParam *fParam; //pointer to the parameters
81e97e0d	267	TTreeSRedirector *fDebugStreamer; //!debug streamer
91162307	268	ClassDef(AliTPCtrackerMI,1)
1c53abe2	269	};
1c53abe2	270
91162307	271
	272	AliTPCtrackerMI::AliTPCRow & AliTPCtrackerMI::GetRow(Int_t sec, Int_t row)
	273	{
	274	//
	275	return (row>=fInnerSec->GetNRows()) ? fOuterSec[sec][row-fInnerSec->GetNRows()]:fInnerSec[sec][row];
	276	}
	277
5afd7dbd	278	Bool_t AliTPCtrackerMI::IsActive(Int_t sec, Int_t row)
	279	{
	280	//
	281	// check if the given sector row is active
	282	//
	283	return (row>=fInnerSec->GetNRows()) ? fOuterSec[sec][row-fInnerSec->GetNRows()].GetN()>0:fInnerSec[sec][row].GetN()>0;
	284	}
	285
	286
47966a6d	287	Double_t AliTPCtrackerMI::GetXrow(Int_t row) const {
91162307	288	// return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetX(row-fInnerSec->GetNRows()):fInnerSec->GetX(row);
	289	return fXRow[row];
	290	}
	291
47966a6d	292	Double_t AliTPCtrackerMI::GetMaxY(Int_t row) const {
91162307	293	//return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetMaxY(row-fInnerSec->GetNRows()):fInnerSec->GetMaxY(row);
	294	return fYMax[row];
	295	}
	296
47966a6d	297	Int_t AliTPCtrackerMI::GetRowNumber(Double_t x) const
91162307	298	{
	299	//
	300	return (x>133.) ? fOuterSec->GetRowNumber(x)+fInnerSec->GetNRows():fInnerSec->GetRowNumber(x);
	301	}
	302
47966a6d	303	Double_t AliTPCtrackerMI::GetPadPitchLength(Double_t x) const
91162307	304	{
	305	//
	306	return (x>133.) ? fOuterSec->GetPadPitchLength(x):fInnerSec->GetPadPitchLength(x);
	307	//return fPadLength[row];
	308	}
	309
47966a6d	310	Double_t AliTPCtrackerMI::GetPadPitchLength(Int_t row) const
91162307	311	{
	312	//
	313	return fPadLength[row];
	314	}
	315
	316
	317
1c53abe2	318	#endif
	319
	320