Example macro for the creation of tags (P.Christakoglou)

[u/mrichter/AliRoot.git] / ITS / AliITStrackerSA.h

diff --git a/ITS/AliITStrackerSA.h b/ITS/AliITStrackerSA.h
index fa60a1b193508dff23868d64471cfebb8322c850..f4a5efff6af8a166da60f1d631736f1f191e40da 100644 (file)
--- a/ITS/AliITStrackerSA.h
+++ b/ITS/AliITStrackerSA.h
@@ -3,7 +3,7 @@
 
 
 
-#include "AliITStrackerV2.h"
+#include "AliITStrackerMI.h"
 
 /* Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
  * See cxx source for full Copyright notice                               */
@@ -18,45 +18,44 @@ class AliITSclusterTable;
 class AliITStrackSA;
 class AliESDVertex;
 class AliITSVertexer;
+class TTree;
 
-class AliITStrackerSA : public AliITStrackerV2 {
+class AliITStrackerSA : public AliITStrackerMI {
 
 
  public:
 
   AliITStrackerSA();
+  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,
-                      char *opt="6/6");
-  void     FindTracks(TTree *clusterTree, AliESD* event, Int_t evnumber=0,
-                     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,char *opt="6/6");
+                          Double_t *errorprimvert);
 
   AliITStrackV2* FindTrackLowChiSquare(TObjArray* tracklist, Int_t dim) const;
+  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,AliESD *event, 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     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);
@@ -76,14 +75,13 @@ class AliITStrackerSA : public AliITStrackerV2 {
               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,Int_t flagp, AliITSclusterTable* table); 
+                       AliITStrackSA* trs,Double_t zvertex,Int_t flagp); 
  
-
   Double_t fPhiEstimate; //Estimation of phi angle on next layer
-  Double_t fPoint1[2];   //! coord. of 1-st point to evaluate the curvature
-  Double_t fPoint2[2];   //! coord. of 2-nd point to evaluate the curvature
-  Double_t fPoint3[2];   //! coord. of 3-rd point to evaluate the curvature
-  Double_t fPointc[2];   //! current point coord (for curvature eval.)
+  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
+  Float_t fPoint3[2];   //! coord. of 3-rd point to evaluate the curvature
+  Float_t fPointc[2];   //! current point coord (for curvature eval.)
   Double_t fLambdac;    //! current value of the Lambda angle in the window
   Double_t fPhic;       //! current value of the Phi angle in the window
   Float_t fCoef1;       //! param. of the equation of the circ. approx a layer
@@ -95,7 +93,9 @@ class AliITStrackerSA : public AliITStrackerV2 {
   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)
 };