/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
+
/* $Id$ */
//-------------------------------------------------------
//-------------------------------------------------------
#include "AliTracker.h"
#include "AliTPCtrack.h"
-#include "AliTPCClustersArray.h"
+#include "TClonesArray.h"
+//#include "AliTPCClustersArray.h"
#include "AliTPCreco.h"
#include "Rtypes.h"
-
+#include "AliComplexCluster.h"
class TFile;
class AliTPCParam;
class AliTPCseed;
class AliTPCclusterMI;
-class AliTPCTrackPoint;
-
-
-
-class AliTPCclusterTracks {
- public:
- AliTPCclusterTracks();
- Float_t fDistance[3]; // distance to the 3 nerest track if there overlap with cluster
- Short_t fTrackIndex[3]; // indexes of the tracks overlapped with clusters
-};
-
-class AliTPCseed;
-
-class AliTPCKalmanSegment: public TObject {
- //
- // class to store tracklet parameters
- // needed to probabilistically define track beginning and track end
- public:
- AliTPCKalmanSegment();
- void Init(AliTPCseed* seed); // in initialization initial entrance integral chi2, fNCFoundable and fNC stored
- void Finish(AliTPCseed* seed); // in finish state vector stored and chi2 and fNC... calculated
- void GetState(Double_t &x, Double_t & alpha, Double_t state[5]);
- void GetCovariance(Double_t covariance[15]);
- void GetStatistic(Int_t & nclusters, Int_t & nfoundable, Float_t & chi2);
- private:
- Float_t fX; // x - state
- Float_t fAlpha; // Rotation angle the local (TPC sector)
- Float_t fState[5]; // state vector
- Float_t fChi2; // chi2 - for given tracklet
- Float_t fCovariance[15]; // 15 elements of covariance matrix
- Int_t fNCFoundable; // number of foundable clusters on tracklet (effect of dead zone)
- Int_t fNC; // number of accepted clusters for tracklet
- // Int_t fN; // total number of padrows for given tracklet
- ClassDef(AliTPCKalmanSegment,1)
-};
+class AliTPCTrackerPoint;
+class AliESD;
+class TTree;
class AliTPCseed : public AliTPCtrack {
- public:
+ public:
AliTPCseed();
virtual ~AliTPCseed();
AliTPCseed(const AliTPCtrack &t);
AliTPCseed(const AliKalmanTrack &t, Double_t a);
Int_t Compare(const TObject *o) const;
- void Reset();
+ void Reset(Bool_t all = kTRUE);
Int_t GetProlongation(Double_t xr, Double_t &y, Double_t & z) const;
virtual Double_t GetPredictedChi2(const AliTPCclusterMI *cluster) const;
virtual Int_t Update(const AliTPCclusterMI* c, Double_t chi2, UInt_t i);
- AliTPCTrackPoint * GetTrackPoint(Int_t i);
+ AliTPCTrackerPoint * GetTrackPoint(Int_t i);
void RebuildSeed(); // rebuild seed to be ready for storing
AliTPCseed(UInt_t index, const Double_t xx[5],
const Double_t cc[15], Double_t xr, Double_t alpha);
- void SetClusterIndex(Int_t index){
- fClusterIndex[fRow] = index;
+
+ Double_t GetDensityFirst(Int_t n);
+ Double_t GetSigma2C(){return fC44;}
+ void GetClusterStatistic(Int_t first, Int_t last, Int_t &found, Int_t &foundable, Int_t &shared, Bool_t plus2);
+
+ void Modify(Double_t factor);
+ void SetClusterIndex2(Int_t row, Int_t index){
+ fIndex[row] = index;
+ }
+ Int_t GetClusterIndex2(Int_t row){
+ return fIndex[row];
}
+ Int_t GetClusterSector(Int_t row){
+ Int_t pica = -1;
+ if (fIndex[row]>=0) pica = ((fIndex[row]&0xff000000)>>24);
+ return pica;
+ }
+
void SetErrorY2(Float_t sy2){fErrorY2=sy2;}
void SetErrorZ2(Float_t sz2){fErrorZ2=sz2;}
- void CookdEdx(Double_t low=0.05, Double_t up=0.70);
+ void CookdEdx(Double_t low=0.05, Double_t up=0.70, Int_t i1=0, Int_t i2=159, Bool_t onlyused = kFALSE);
+ // void CookdEdx2(Double_t low=0.05, Double_t up=0.70);
Bool_t IsActive(){ return !(fRemoval);}
void Desactivate(Int_t reason){ fRemoval = reason;}
-
- // Float_t GetRadius(){ return (1-fP2)/fP4;}
- Int_t fRelativeSector; // ! index of current relative sector
- Int_t fClusterIndex[200]; //array of cluster indexes
- Float_t fClusterDensity[16]; //array with cluster densities
-
- Int_t fRemoval; //reason - why was track removed - 0 - means still active
- TClonesArray * fPoints; // array with points along the track
+ //
+ //
+ AliTPCclusterMI* fClusterPointer[160]; //! array of cluster pointers -
+ TClonesArray * fPoints; // array with points along the track
TClonesArray * fEPoints; // array with exact points - calculated in special macro not used in tracking
+ //---CURRENT VALUES
Int_t fRow; //!current row number
Int_t fSector; //!current sector number
- Float_t fCurrentSigmaY; //!expected current cluster sigma Y
- Float_t fCurrentSigmaZ; //!expected current cluster sigma Z
+ Int_t fRelativeSector; //! index of current relative sector
+ Float_t fCurrentSigmaY2; //!expected current cluster sigma Y
+ Float_t fCurrentSigmaZ2; //!expected current cluster sigma Z
+ Float_t fErrorY2; //!sigma of current cluster
+ Float_t fErrorZ2; //!sigma of current cluster
AliTPCclusterMI * fCurrentCluster; //!pointer to the current cluster for prolongation
Int_t fCurrentClusterIndex1; //! index of the current cluster
- Int_t fCurrentClusterIndex2; //! index of the current cluster
-
- Float_t fErrorY2; //!sigma of current cluster
- Float_t fErrorZ2; //!sigma of current cluster
- Int_t fNFoundable; //number of foundable clusters - dead zone taken to the account
- Bool_t fInDead; // indicate if the track is in dead zone
- Int_t fFirstPoint; // first cluster position
- Int_t fLastPoint; // last cluster position
- Int_t fNShared; // number of shared points
- Bool_t fIsSeeding; //indicates if it is proces of seeading
- Bool_t fStopped; // indicate that track cann't be prolongate anymore (for secondaries)
- private:
- Float_t fSdEdx; // sigma of dedx
- Float_t fMAngular; // mean angular factor
- AliTPCTrackPoint ** fTrackPoints; //!track points - array track points
+ Bool_t fInDead; //! indicate if the track is in dead zone
+ Bool_t fIsSeeding; //!indicates if it is proces of seeading
+ Int_t fNoCluster; //!indicates number of rows without clusters
+ Int_t fSort; //!indicate criteria for sorting
+ Bool_t fBSigned; //indicates that clusters of this trackes are signed to be used
+ //
+ //
Float_t fDEDX[4]; // dedx according padrows
Float_t fSDEDX[4]; // sdedx according padrows
Int_t fNCDEDX[4]; // number of clusters for dedx measurment
+ //
+ Int_t fSeedType; //seeding type
+ Int_t fSeed1; //first row for seeding
+ Int_t fSeed2; //last row for seeding
+ Int_t fOverlapLabels[12]; //track labels and the length of the overlap
+ private:
+ Float_t fMAngular; // mean angular factor
+ AliTPCTrackerPoint fTrackPoints[160]; //!track points - array track points
ClassDef(AliTPCseed,1)
};
AliTPCtrackerMI():AliTracker(),fkNIS(0),fkNOS(0) {
fInnerSec=fOuterSec=0; fSeeds=0;
}
- AliTPCtrackerMI(const AliTPCParam *par);
+ AliTPCtrackerMI(const AliTPCParam *par);
~AliTPCtrackerMI();
-
- virtual Int_t Clusters2Tracks(AliESD *event) {return -1;};
- virtual Int_t PropagateBack(AliESD *event) {return -1;};
- virtual Int_t RefitInward(AliESD *event) {return -1;};
- virtual Int_t LoadClusters(TTree *) {return -1;};
-
+ //
+ //to be implemented later
+ virtual Int_t Clusters2Tracks (AliESD *){return 0;}
+ virtual Int_t RefitInward (AliESD *){return 0;}
+ virtual Int_t LoadClusters (TTree *){return 0;}
+ //
+ void SetIO(); //set default IO from folders
+ void SetIO(TTree * input, TTree * output, AliESD * event);
+ void WriteTracks();
+ void DeleteSeeds();
+ void SetDebug(Int_t debug){ fDebug = debug;}
Int_t ReadSeeds(const TFile *in);
- Int_t LoadClusters();
- void UnloadClusters();
-
- void LoadInnerSectors();
- void LoadOuterSectors();
- AliCluster * GetCluster (Int_t index) const
- {return (AliCluster*) GetClusterMI(index);}
+ Int_t LoadClusters();
+ void UnloadClusters();
+ TObjArray * GetSeeds(){return fSeeds;}
+ //
+ AliCluster * GetCluster (int) const {return 0;}
AliTPCclusterMI *GetClusterMI(Int_t index) const;
+ Int_t Clusters2Tracks(const TFile */*in*/, TFile */*out*/){return 0;}
Int_t Clusters2Tracks();
- Int_t PropagateBack() {return -1;};
-
- virtual void CookLabel(AliKalmanTrack *t,Float_t wrong) const;
+ virtual void CookLabel(AliTPCseed *t,Float_t wrong) 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);
+
+ 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);
+
+ virtual Int_t PropagateBack (const TFile *, TFile *){return 0;}
+ 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);
+
+ Int_t CheckKinkPoint(AliTPCseed*seed, Float_t th);
+ void SortTracks(TObjArray * arr, Int_t mode);
+
+
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 AliTPCRow {
public:
- AliTPCRow() {fN=0; fClusterTracks=0;}
+ AliTPCRow() {fN=0;}
~AliTPCRow();
void InsertCluster(const AliTPCclusterMI *c, UInt_t index);
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];}
- Int_t Find(Double_t z) const;
+ 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;}
- AliTPCclusterTracks * GetClusterTracks(Int_t index){ return ( (index<fN) && fClusterTracks!=0)? &(fClusterTracks[index]):0;}
- void UpdateClusterTrack(Int_t clindex, Int_t trindex,AliTPCseed * seed);
- void MakeClusterTracks();
- void ClearClusterTracks();
Float_t fDeadZone; // the width of the dead zone
+ // void RebuildRow(){;}
+//
+ AliTPCclusterMI *fClusters1; //array with clusters 1
+ Int_t fN1;
+ AliTPCclusterMI *fClusters2; //array with clusters 2
+ Int_t fN2;
+ Short_t fFastCluster[510];
private:
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
- AliTPCclusterTracks * fClusterTracks; // array of cluster tracks - for overlap calculation
- private:
+ //private:
AliTPCRow(const AliTPCRow& r); //dummy copy constructor
AliTPCRow &operator=(const AliTPCRow& r); //dummy assignment operator
};
}
Double_t GetAlpha() const {return fAlpha;}
Double_t GetAlphaShift() const {return fAlphaShift;}
+ //Int_t GetFirst(){return fFirstRow;}
Int_t GetRowNumber(Double_t x) const {
//return pad row number for this x
Double_t r;
private:
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;
Float_t OverlapFactor(AliTPCseed * s1, AliTPCseed * s2, Int_t &sum1, Int_t &sum2);
void SignShared(AliTPCseed * s1, AliTPCseed * s2);
- void RemoveOverlap(TObjArray * arr, Float_t factor, Int_t removalindex, Bool_t shared=kFALSE);
- void RemoveUsed(TObjArray * arr, Float_t factor, Int_t removalindex);
+ void SignShared(TObjArray * arr);
+
+ void RemoveUsed(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t removalindex);
+ 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);
+ void StopNotActive(AliTPCseed * seed, Int_t row0, Float_t th0, Float_t th1, Float_t th2);
+ Int_t AcceptCluster(AliTPCseed * seed, AliTPCclusterMI * cluster, Float_t factor, Float_t cory=1., Float_t corz=1.);
private:
+ inline AliTPCRow &GetRow(Int_t sec, Int_t row);
+ inline Double_t GetXrow(Int_t row);
+ inline Double_t GetMaxY(Int_t row);
+ inline Int_t GetRowNumber(Double_t x);
+ inline Double_t GetPadPitchLength(Double_t x);
+ inline Double_t GetPadPitchLength(Int_t row);
+
Float_t GetSigmaY(AliTPCseed * seed);
Float_t GetSigmaZ(AliTPCseed * seed);
+ void GetShape(AliTPCseed * seed, Int_t row);
+
+ void ReadSeeds(AliESD *event); //read seeds from the event
- void MakeSeeds(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2);
- void MakeSeeds2(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2);
+ 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);
- TObjArray * MakeSeedsSectors(Int_t sec1, Int_t sec2); // make seeds from all sectors
- void MakeSeedsAll();
- Int_t FollowProlongation(AliTPCseed& t, Int_t rf=0);
- //Int_t FollowProlongationFast(AliTPCseed& t, Int_t step);
- Int_t FollowBackProlongation(AliTPCseed& t, Int_t rf=0);
+ 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);
+
- Int_t FollowToNext(AliTPCseed& t, Int_t nr);
- Int_t UpdateClusters(AliTPCseed& t, Int_t trindex, Int_t nr);
- Int_t FollowToNextCluster( Int_t trindex, Int_t nr);
+ AliTPCseed *MakeSeed(AliTPCseed *t, Float_t r0, Float_t r1, Float_t r2); //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();
+ void SumTracks(TObjArray *arr1,TObjArray *arr2);
+ void PrepareForBackProlongation(TObjArray * arr, Float_t fac);
+ void PrepareForProlongation(TObjArray * arr, Float_t fac);
- virtual Int_t PropagateBack (const TFile *, TFile *){return 0;}
- void ParallelTracking(Int_t rfirst, Int_t rlast);
void SetSampledEdx(AliTPCseed *t, Float_t q, Int_t i) {;}
- Int_t UpdateTrack(AliTPCseed *t,AliTPCclusterMI* c, Double_t chi2, UInt_t i); //update trackinfo
+ Int_t UpdateTrack(AliTPCseed *t, Int_t accept); //update trackinfo
- // Int_t FollowBackProlongation(AliTPCseed &s, const AliTPCtrack &t);
AliTPCtrackerMI(const AliTPCtrackerMI& r); //dummy copy constructor
AliTPCtrackerMI &operator=(const AliTPCtrackerMI& r);//dummy assignment operator
Int_t fN; //number of loaded sectors
AliTPCSector *fSectors; //pointer to loaded sectors;
-
- Int_t fEventN; //event number
- AliTPCClustersArray fClustersArray; //array of TPC clusters
+ //
+ 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
+ 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];
+}
+
+Double_t AliTPCtrackerMI::GetXrow(Int_t row) {
+ // return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetX(row-fInnerSec->GetNRows()):fInnerSec->GetX(row);
+ return fXRow[row];
+}
+
+Double_t AliTPCtrackerMI::GetMaxY(Int_t row) {
+ //return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetMaxY(row-fInnerSec->GetNRows()):fInnerSec->GetMaxY(row);
+ return fYMax[row];
+}
+
+Int_t AliTPCtrackerMI::GetRowNumber(Double_t x)
+{
+ //
+ return (x>133.) ? fOuterSec->GetRowNumber(x)+fInnerSec->GetNRows():fInnerSec->GetRowNumber(x);
+}
+
+Double_t AliTPCtrackerMI::GetPadPitchLength(Double_t x)
+{
+ //
+ return (x>133.) ? fOuterSec->GetPadPitchLength(x):fInnerSec->GetPadPitchLength(x);
+ //return fPadLength[row];
+}
+
+Double_t AliTPCtrackerMI::GetPadPitchLength(Int_t row)
+{
+ //
+ return fPadLength[row];
+}
+
+
+
#endif