/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
+/* $Id$ */
+
//-------------------------------------------------------------------------
// ITS tracker
// reads AliITSclusterMI clusters and creates AliITStrackMI tracks
// Origin: Marian Ivanov, CERN, Marian.Ivanov@cern.ch
//-------------------------------------------------------------------------
-#include <TObjArray.h>
-
-#include "AliTracker.h"
-#include "AliITStrackMI.h"
-#include "AliITSclusterV2.h"
-#include "AliV0vertex.h"
-
-class AliESD;
-class AliITSgeom;
class TTree;
+class TTreeSRedirector;
+class AliESD;
class AliHelix;
-class AliV0vertex;
-class AliESDV0MI;
-
-
+class AliITSgeom;
+#include <TObjArray.h>
+#include "AliITSRecPoint.h"
+#include "AliITStrackMI.h"
+#include "AliTracker.h"
//-------------------------------------------------------------------------
class AliITStrackerMI : public AliTracker {
public:
AliITStrackerMI():AliTracker(){}
- virtual ~AliITStrackerMI() {
- delete[] fCoeficients;
- }
-
AliITStrackerMI(const AliITSgeom *geom);
+ ~AliITStrackerMI();
AliCluster *GetCluster(Int_t index) const;
- AliITSclusterV2 *GetClusterLayer(Int_t layn, Int_t ncl) const
+ virtual Bool_t GetTrackPoint(Int_t index, AliTrackPoint& p) const;
+ AliITSRecPoint *GetClusterLayer(Int_t layn, Int_t ncl) const
{return fgLayers[layn].GetCluster(ncl);}
Int_t GetNumberOfClustersLayer(Int_t layn) const
{return fgLayers[layn].GetNumberOfClusters();}
Int_t Clusters2Tracks(AliESD *event);
Int_t PropagateBack(AliESD *event);
Int_t RefitInward(AliESD *event);
- Bool_t RefitAt(Double_t x, AliITStrackMI *seed, const AliITStrackMI *t);
+ Bool_t RefitAt(Double_t x, AliITStrackMI *seed,
+ const AliITStrackMI *t, Bool_t extra=kFALSE);
+ Bool_t RefitAt(Double_t x, AliITStrackMI *seed, const Int_t *clindex);
void SetupFirstPass(Int_t *flags, Double_t *cuts=0);
void SetupSecondPass(Int_t *flags, Double_t *cuts=0);
void SetLastLayerToTrackTo(Int_t l=0) {fLastLayerToTrackTo=l;}
void SetLayersNotToSkip(Int_t *l);
void UseClusters(const AliKalmanTrack *t, Int_t from=0) const;
- void GetNTeor(Int_t layer, const AliITSclusterV2* cl, Float_t theta, Float_t phi, Float_t &ny, Float_t &nz);
- Int_t GetError(Int_t layer, const AliITSclusterV2*cl, Float_t theta, Float_t phi, Float_t expQ, Float_t &erry, Float_t &errz);
- Double_t GetPredictedChi2MI(AliITStrackMI* track, const AliITSclusterV2 *cluster,Int_t layer);
- Int_t UpdateMI(AliITStrackMI* track, const AliITSclusterV2* cl,Double_t chi2,Int_t layer) const;
+ void GetNTeor(Int_t layer, const AliITSRecPoint* cl, Float_t theta, Float_t phi, Float_t &ny, Float_t &nz);
+ Int_t GetError(Int_t layer, const AliITSRecPoint*cl, Float_t theta, Float_t phi, Float_t expQ, Float_t &erry, Float_t &errz);
+
+ void GetDCASigma(AliITStrackMI* track, Float_t & sigmarfi, Float_t &sigmaz);
+ Double_t GetPredictedChi2MI(AliITStrackMI* track, const AliITSRecPoint *cluster,Int_t layer);
+ Int_t UpdateMI(AliITStrackMI* track, const AliITSRecPoint* cl,Double_t chi2,Int_t layer) const;
class AliITSdetector {
public:
AliITSdetector(){}
AliITSdetector(Double_t r,Double_t phi) {fR=r; fPhi=phi; fSinPhi = TMath::Sin(phi); fCosPhi = TMath::Cos(phi);
fYmin=10000;fYmax=-1000; fZmin=10000;fZmax=-1000;}
- inline void GetGlobalXYZ( const AliITSclusterV2 *cl, Double_t xyz[3]) const;
+ inline void GetGlobalXYZ( const AliITSRecPoint *cl, Double_t xyz[3]) const;
Double_t GetR() const {return fR;}
Double_t GetPhi() const {return fPhi;}
Double_t GetYmin() const {return fYmin;}
AliITSlayer();
AliITSlayer(Double_t r, Double_t p, Double_t z, Int_t nl, Int_t nd);
~AliITSlayer();
- Int_t InsertCluster(AliITSclusterV2 *c);
+ Int_t InsertCluster(AliITSRecPoint *c);
void SortClusters();
void ResetClusters();
void ResetWeights();
void SelectClusters(Double_t zmi,Double_t zma,Double_t ymi,Double_t yma);
- const AliITSclusterV2 *GetNextCluster(Int_t &ci);
+ const AliITSRecPoint *GetNextCluster(Int_t &ci);
void ResetRoad();
Double_t GetRoad() const {return fRoad;}
Double_t GetR() const {return fR;}
Int_t FindClusterIndex(Float_t z) const;
- AliITSclusterV2 *GetCluster(Int_t i) const {return i<fN? fClusters[i]:0;}
- Float_t *GetWeight(Int_t i) {return i<fN ?&fClusterWeight[i]:0;}
+ AliITSRecPoint *GetCluster(Int_t i) const {return i<fN? fClusters[i]:0;}
+ Float_t *GetWeight(Int_t i) {return i<fN ?&fClusterWeight[i]:0;}
AliITSdetector &GetDetector(Int_t n) const { return fDetectors[n]; }
Int_t FindDetectorIndex(Double_t phi, Double_t z) const;
Double_t GetThickness(Double_t y, Double_t z, Double_t &x0) const;
Int_t GetSkip() const {return fSkip;}
void SetSkip(Int_t skip){fSkip=skip;}
void IncAccepted(){fAccepted++;}
- Int_t GetAccepted() const {return fAccepted;}
+ Int_t GetAccepted() const {return fAccepted;}
protected:
- AliITSlayer(const AliITSlayer& layer){;}
+ AliITSlayer(const AliITSlayer& /*layer*/);
+ AliITSlayer & operator=(const AliITSlayer& /*layer*/);
Double_t fR; // mean radius of this layer
Double_t fPhiOffset; // offset of the first detector in Phi
Int_t fNladders; // number of ladders
Int_t fNdetectors; // detectors/ladder
AliITSdetector *fDetectors; // array of detectors
Int_t fN; // number of clusters
- AliITSclusterV2 *fClusters[kMaxClusterPerLayer]; // pointers to clusters
+ AliITSRecPoint *fClusters[kMaxClusterPerLayer]; // pointers to clusters
Int_t fClusterIndex[kMaxClusterPerLayer]; // pointers to clusters
Float_t fY[kMaxClusterPerLayer]; // y position of the clusters
Float_t fZ[kMaxClusterPerLayer]; // z position of the clusters
Float_t fYB[2]; // ymin and ymax
//
- AliITSclusterV2 *fClusters5[6][kMaxClusterPerLayer5]; // pointers to clusters - slice in y
+ AliITSRecPoint *fClusters5[6][kMaxClusterPerLayer5]; // pointers to clusters - slice in y
Int_t fClusterIndex5[6][kMaxClusterPerLayer5]; // pointers to clusters - slice in y
Float_t fY5[6][kMaxClusterPerLayer5]; // y position of the clusters slice in y
Float_t fZ5[6][kMaxClusterPerLayer5]; // z position of the clusters slice in y
Float_t fDy5; //delta y
Float_t fBy5[6][2]; //slice borders
//
- AliITSclusterV2 *fClusters10[11][kMaxClusterPerLayer10]; // pointers to clusters - slice in y
+ AliITSRecPoint *fClusters10[11][kMaxClusterPerLayer10]; // pointers to clusters - slice in y
Int_t fClusterIndex10[11][kMaxClusterPerLayer10]; // pointers to clusters - slice in y
Float_t fY10[11][kMaxClusterPerLayer10]; // y position of the clusters slice in y
Float_t fZ10[11][kMaxClusterPerLayer10]; // z position of the clusters slice in y
Float_t fDy10; // delta y
Float_t fBy10[11][2]; // slice borders
//
- AliITSclusterV2 *fClusters20[21][kMaxClusterPerLayer20]; // pointers to clusters - slice in y
+ AliITSRecPoint *fClusters20[21][kMaxClusterPerLayer20]; // pointers to clusters - slice in y
Int_t fClusterIndex20[21][kMaxClusterPerLayer20]; // pointers to clusters - slice in y
Float_t fY20[21][kMaxClusterPerLayer20]; // y position of the clusters slice in y
Float_t fZ20[21][kMaxClusterPerLayer20]; // z position of the clusters slice in y
Float_t fDy20; //delta y
Float_t fBy20[21][2]; //slice borders
//
- AliITSclusterV2** fClustersCs; //clusters table in current slice
+ AliITSRecPoint** fClustersCs; //clusters table in current slice
Int_t *fClusterIndexCs; //cluster index in current slice
Float_t *fYcs; //y position in current slice
Float_t *fZcs; //z position in current slice
AliITStrackerMI::AliITSdetector & GetDetector(Int_t layer, Int_t n) const {return GetLayer(layer).GetDetector(n); }
protected:
- void FindV0(AliESD *event); //try to find V0
- Double_t TestV0(AliHelix *h1, AliHelix *h2, AliESDV0MI *vertex); //try to find V0 - return DCA
- Double_t FindBestPair(Int_t esdtrack0, Int_t esdtrack1,AliESDV0MI *vertex); // try to find best pair from the tree of track hyp.
+ Int_t GetNearestLayer(const Double_t *xr) const; //get nearest upper layer close to the point xr
+ void FindV02(AliESD *event); //try to find V0
+ void RefitV02(AliESD *event); //try to refit V0's
+ void UpdateTPCV0(AliESD *event); //try to update, or reject TPC V0s
void CookLabel(AliKalmanTrack *t,Float_t wrong) const;
void CookLabel(AliITStrackMI *t,Float_t wrong) const;
Double_t GetEffectiveThickness(Double_t y, Double_t z) const;
- void FollowProlongationTree(AliITStrackMI * otrack, Int_t esdindex);
+ void FollowProlongationTree(AliITStrackMI * otrack, Int_t esdindex, Bool_t constrain);
void ResetBestTrack() {
fBestTrack.~AliITStrackMI();
new(&fBestTrack) AliITStrackMI(fTrackToFollow);
void GetBestHypothesysMIP(TObjArray &itsTracks);
void RegisterClusterTracks(AliITStrackMI* track, Int_t id);
void UnRegisterClusterTracks(AliITStrackMI* track, Int_t id);
- Float_t GetNumberOfSharedClusters(AliITStrackMI* track,Int_t id, Int_t list[6], AliITSclusterV2 *clist[6]);
+ Float_t GetNumberOfSharedClusters(AliITStrackMI* track,Int_t id, Int_t list[6], AliITSRecPoint *clist[6]);
Int_t GetOverlapTrack(AliITStrackMI *track, Int_t trackID, Int_t &shared, Int_t clusterlist[6], Int_t overlist[6]);
AliITStrackMI * GetBest2Tracks(Int_t trackID1, Int_t treackID2, Float_t th0, Float_t th1);
Float_t * GetErrY(Int_t trackindex) const {return &fCoeficients[trackindex*48];}
AliITStrackMI fBestTrack; // "best" track
AliITStrackMI fTrackToFollow; // followed track
TObjArray fTrackHypothesys; // ! array with track hypothesys- ARRAY is the owner of tracks- MI
- TObjArray fV0Array; // ! array of V0
+ TObjArray fBestHypothesys; // ! array with track hypothesys- ARRAY is the owner of tracks- MI
+ TObjArray fOriginal; // ! array with seeds from the TPC
Int_t fBestTrackIndex[100000]; // ! index of the best track
Int_t fCurrentEsdTrack; // ! current esd track - MI
Int_t fPass; // current pass through the data
Int_t fConstraint[2]; // constraint flags
-
+ Bool_t fAfterV0; //indicates V0 founded
Int_t fLayersNotToSkip[kMaxLayer]; // layer masks
Int_t fLastLayerToTrackTo; // the innermost layer to track to
Float_t * fCoeficients; //! working array with errors and mean cluser shape
- private:
- AliITStrackerMI(const AliITStrackerMI * tracker){;}
+ AliESD * fEsd; //! pointer to the ESD event
+ TTreeSRedirector *fDebugStreamer; //!debug streamer
+private:
+ AliITStrackerMI(const AliITStrackerMI &);
+ AliITStrackerMI & operator=(const AliITStrackerMI &);
ClassDef(AliITStrackerMI,2) //ITS tracker MI
};
1./(1.+track->fNSkipped));
return track->fNormChi2[layer];
}
-inline void AliITStrackerMI::AliITSdetector::GetGlobalXYZ(const AliITSclusterV2 *cl, Double_t xyz[3]) const
+inline void AliITStrackerMI::AliITSdetector::GetGlobalXYZ(const AliITSRecPoint *cl, Double_t xyz[3]) const
{
//
// get cluster coordinates in global cooordinate
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff