-#include "AliITStrackerV2.h"
+#include "AliITStrackerMI.h"
/* Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
class AliITSclusterTable;
class AliITStrackSA;
-class AliITSVertex;
+class AliESDVertex;
class AliITSVertexer;
+class TTree;
-class AliITStrackerSA : public AliITStrackerV2 {
+class AliITStrackerSA : public AliITStrackerMI {
public:
AliITStrackerSA();
- AliITStrackerSA(AliITSgeom *geom,AliITSVertex *vert);
+ AliITStrackerSA(AliITSgeom *geom);
+ AliITStrackerSA(AliITSgeom *geom,AliESDVertex *vert);
AliITStrackerSA(AliITSgeom *geom,AliITSVertexer *vertexer);
- AliITStrackerSA(AliITStrackerSA& tracker);
+ AliITStrackerSA(const AliITStrackerSA& tracker);
+ AliITStrackerSA& operator=(const AliITStrackerSA& /* trkr */);
virtual ~AliITStrackerSA();
- void FindTracks(TTree *clusterTree, TTree *out,Int_t evnumber=0,
- const char *opt="6/6");
-
+ virtual Int_t Clusters2Tracks(AliESD *event){Int_t rc = AliITStrackerMI::Clusters2Tracks(event); if(!rc) rc=FindTracks(event); return rc;}
+ Int_t FindTracks(AliESD* event);
+ void FindTracks(TTree *out,Int_t evnumber=0);
AliITStrackV2* FitTrack(AliITStrackSA* tr,Double_t* primaryVertex,
- Double_t *errorprimvert, const char *opt="6/6");
+ Double_t *errorprimvert);
AliITStrackV2* FindTrackLowChiSquare(TObjArray* tracklist, Int_t dim) const;
- void SetVertex(AliITSVertex *vtx){fVert = vtx;}
+ Int_t LoadClusters(TTree *cf) {Int_t rc=AliITStrackerMI::LoadClusters(cf); SetClusterTree(cf);SetSixPoints(kTRUE); return rc;}
+ void SetVertex(AliESDVertex *vtx){fVert = vtx;}
+ void SetClusterTree(TTree * itscl){fITSclusters = itscl;}
+ void SetSixPoints(Bool_t sp = kTRUE){fSixPoints = sp;}
+ Bool_t GetSixPoints() const {return fSixPoints;}
void SetWindowSizes(Int_t n=46, Double_t *phi=0, Double_t *lam=0);
- void UseFoundTracksV2(Int_t evnum,TTree* treev2, TTree* clustertree);
+ void UseFoundTracksV2(Int_t evnum,TTree* treev2);
+ void UseFoundTracksV2(AliESD *event);
+
+ enum {kSAflag=0x8000}; //flag to mark clusters used in the SA tracker
protected:
- // copy constructor (NO copy allowed: the constructor is protected
- // to avoid misuse)
- AliITStrackerSA(const AliITStrackerSA& trkr);
- // assignment operator (NO assignment allowed)
- AliITStrackerSA& operator=(const AliITStrackerSA& /* trkr */);
//Initialization
void Init();
- Int_t GetFlagLoadedClusters() const {return fFlagLoad;}
-
- void GetClusterGCoordinates(AliITSclusterV2* cluster,
- Int_t module,Double_t& x, Double_t& y,Double_t& z);
- void GetClusterGErrors(AliITSclusterV2* cluster,
- Int_t module,Double_t& sigmax, Double_t& sigmay,
- Double_t& sigmaz);
- void ResetForFinding();
- void SetFlagLoadedClusters(Int_t d) {fFlagLoad=d;}
-
- void UpdatePoints();
+ void ResetForFinding();
+ void UpdatePoints();
static Double_t Curvature(Double_t x1,Double_t y1,Double_t x2,Double_t y2,
- Double_t x3,Double_t y3);
+ Double_t x3,Double_t y3);
Double_t ChoosePoint(Double_t p1, Double_t p2, Double_t pp);
Int_t gl6,Int_t gl7, Int_t gl8, Int_t gl9, Int_t gl10,Int_t gl11,
Int_t gl12, Int_t gl13, Int_t gl14,Int_t gl15, Int_t gl16,
Int_t gl17, Int_t gl18, Int_t numberofpoints=6);
-
+
Int_t SearchClusters(Int_t layer,Double_t phiwindow,Double_t lambdawindow,
- AliITStrackSA* trs,Double_t zvertex,Double_t yvertex,
- Double_t xvertex, Int_t flagp, AliITSclusterTable* table);
+ AliITStrackSA* trs,Double_t zvertex,Int_t flagp);
-
Double_t fPhiEstimate; //Estimation of phi angle on next layer
Float_t fPoint1[2]; //! coord. of 1-st point to evaluate the curvature
Float_t fPoint2[2]; //! coord. of 2-nd point to evaluate the curvature
Int_t fNloop; // Number of iterqations on phi and lambda windows
Double_t *fPhiWin; // phi window sizes
Double_t *fLambdaWin; // lambda window sizes
- AliITSVertex *fVert; //! primary vertex
+ AliESDVertex *fVert; //! primary vertex
AliITSVertexer *fVertexer; //! vertexer
AliITSgeom *fGeom; //! ITS geometry
- Int_t fFlagLoad; // flag for loaded clusters (1==already loaded)
+ TObjArray *fListOfTracks; //! container for found tracks
+ TTree *fITSclusters; //! pointer to ITS tree of clusters
+ Bool_t fSixPoints; // If true 6/6 points are required (default). 5/6 otherwise
AliITSclusterTable* fTable; // table with clusters
ClassDef(AliITStrackerSA,1)
};
#endif
-
-