X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=ITS%2FAliITSVertexerZ.h;h=b2ab7b6b999f4da8eb7c7f18e47086905e4eed23;hb=891efa0008e3246e2f7ebc6a5bf8cebccffae8ef;hp=ea8218af3ba8d5975758fa706f5c188695c9d300;hpb=8b40a6b84b6d4ab20a20287bf6d755ac01e27392;p=u%2Fmrichter%2FAliRoot.git

diff --git a/ITS/AliITSVertexerZ.h b/ITS/AliITSVertexerZ.h
index ea8218af3ba..b2ab7b6b999 100644
--- a/ITS/AliITSVertexerZ.h
+++ b/ITS/AliITSVertexerZ.h
@@ -19,7 +19,7 @@ class AliITSVertexerZ : public AliITSVertexer {
  public:
 
   AliITSVertexerZ();
-  AliITSVertexerZ(TString filename,Float_t x0=0., Float_t y0=0.);
+  AliITSVertexerZ(Float_t x0, Float_t y0);
   virtual ~AliITSVertexerZ();
   // The number of contributors set in the AliESDVertex object is the
   // number of tracklets used to determine the vertex position
@@ -27,33 +27,32 @@ class AliITSVertexerZ : public AliITSVertexer {
   // and by default the Z coordinate is set to 0
   // Number of contributors = -1  --> No tracklets 
   // Number of contributors = -2  --> No SPD recpoints
-  virtual AliESDVertex* FindVertexForCurrentEvent(Int_t evnumb);
-  virtual void FindVertices();
+  virtual AliESDVertex* FindVertexForCurrentEvent(TTree *itsClusterTree);
   virtual void PrintStatus() const;
   void SetDiffPhiMax(Float_t pm = 0.01){fDiffPhiMax = pm;}
-  void SetVtxStart(Float_t x, Float_t y){
-    fX0=x; fY0=y;
-  }
-  void ConfigIterations(Int_t noiter=3,Float_t *ptr=0);
+  void ConfigIterations(Int_t noiter=4,Float_t *ptr=0);
   void SetFirstLayerModules(Int_t m1 = 0, Int_t m2 = 79){fFirstL1 = m1; fLastL1 = m2;}
   void SetSecondLayerModules(Int_t m1 = 80, Int_t m2 = 239){fFirstL2 = m1; fLastL2 = m2;}
-  void SetLowLimit(Float_t lim=-20.){fLowLim = lim;}
-  void SetHighLimit(Float_t lim=20.){fHighLim = lim;}
+  void SetLowLimit(Float_t lim=-40.){fLowLim = lim;}
+  void SetHighLimit(Float_t lim=40.){fHighLim = lim;}
   Float_t GetLowLimit() const {return fLowLim;}
   Float_t GetHighLimit() const {return fHighLim;}
   void SetBinWidthCoarse(Float_t bw=0.01){fStepCoarse = bw;}
   void SetPPsetting(Float_t cl2=250., Float_t coarsebin=0.02){fPPsetting[0]=cl2; fPPsetting[1]=coarsebin;}
-  Int_t GetPeakRegion(TH1F*h, Int_t &binmin, Int_t &binmax) const;
+  static Int_t GetPeakRegion(TH1F* h, Int_t &binmin, Int_t &binmax);
+  static Int_t FindSecondPeak(TH1F* h, Int_t binmin,Int_t binmax, Float_t& secPeakPos);
   Float_t GetBinWidthCoarse() const {return fStepCoarse;}
   void SetTolerance(Float_t tol = 20./10000.){fTolerance = tol;}
   void SetWindowWidth(Float_t ww=0.2){fWindowWidth=ww;}
   Float_t GetTolerance() const {return fTolerance;}
   //  virtual void MakeTracklet(Double_t * /* pA */, Double_t * /*pB */, Int_t & /* nolines */) {} // implemented in a derived class
+
+  void SetSearchForPileup(Bool_t opt){fSearchForPileup=opt;}
+  Bool_t IsSearchForPileupActive() const { return fSearchForPileup;}
+
  protected:
-  AliITSVertexerZ(const AliITSVertexerZ& vtxr);
-  AliITSVertexerZ& operator=(const AliITSVertexerZ& vtxr );
   void ResetHistograms();
-  void VertexZFinder(Int_t evnumber);
+  void VertexZFinder(TTree *itsClusterTree);
   Float_t GetPhiMaxIter(Int_t i) const {return fPhiDiffIter[i];}
 
 
@@ -62,8 +61,6 @@ class AliITSVertexerZ : public AliITSVertexer {
   Int_t fFirstL2;          // first module of the second pixel layer used
   Int_t fLastL2;           // last module of the second pixel layer used
   Float_t fDiffPhiMax;     // Maximum delta phi allowed among corr. pixels
-  Float_t fX0;             // Nominal x coordinate of the vertex
-  Float_t fY0;             // Nominal y coordinate of the vertex
   Float_t fZFound;         //! found value for the current event
   Float_t fZsig;           //! RMS of Z
   TH1F *fZCombc;           //! histogram with coarse z distribution
@@ -75,8 +72,13 @@ class AliITSVertexerZ : public AliITSVertexer {
   Int_t fMaxIter;            // Maximum number of iterations (<=5)
   Float_t fPhiDiffIter[5];   // Delta phi used in iterations
   Float_t fWindowWidth;      // Z window width for symmetrization
+  Bool_t  fSearchForPileup;  // flag to switch pileup off/on
+
+ private:
+  AliITSVertexerZ(const AliITSVertexerZ& vtxr);
+  AliITSVertexerZ& operator=(const AliITSVertexerZ& vtxr );
 
-  ClassDef(AliITSVertexerZ,6);
+  ClassDef(AliITSVertexerZ,11);
 };
 
 #endif