X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=ITS%2FAliITSVertexer.h;h=74856063237c06c34e3f092094c1d9cbf12a135f;hb=4235ca030bf219cd3ad927b8abf7f94471ceaca8;hp=c42e90da3ac05f48b7296285fb00b6e45412e82c;hpb=5af4a2d0fd3b968c37184eee1aaa1fd07a582e12;p=u%2Fmrichter%2FAliRoot.git

diff --git a/ITS/AliITSVertexer.h b/ITS/AliITSVertexer.h
index c42e90da3ac..74856063237 100644
--- a/ITS/AliITSVertexer.h
+++ b/ITS/AliITSVertexer.h
@@ -23,21 +23,25 @@ class AliITSVertexer : public AliVertexer {
     virtual AliESDVertex *FindVertexForCurrentEvent(TTree *itsClusterTree)=0;
     virtual void PrintStatus() const = 0;
 
+    virtual void ResetVertex();
     void FindMultiplicity(TTree *itsClusterTree);
     void SetFirstEvent(Int_t ev){fFirstEvent = ev;}
     void SetLastEvent(Int_t ev){fLastEvent = ev;}
     static Float_t GetPipeRadius() {return fgkPipeRadius;}
     void SetLaddersOnLayer2(Int_t ladwid=4);
+    void SetComputeMultiplicity(Bool_t opt=kTRUE){fComputeMultiplicity=opt;}
     virtual void SetUseModule(Int_t imod, Bool_t optUse){
       if(imod>=0 && imod<kNSPDMod) fUseModule[imod]=optUse;
-    }
+    }    
     virtual Bool_t IsModuleUsed(Int_t imod) const {
       if(imod>=0 && imod<kNSPDMod) return fUseModule[imod];
       else return 0;
     }
 
-    const AliITSDetTypeRec *GetDetTypeRec() const {return fDetTypeRec;}
-    virtual void SetDetTypeRec(const AliITSDetTypeRec *ptr){fDetTypeRec = ptr;}
+    virtual AliESDVertex* GetAllVertices(Int_t &novertices) const {novertices = fNoVertices; return fVertArray; }
+
+    AliITSDetTypeRec *GetDetTypeRec() const {return fDetTypeRec;}
+    virtual void SetDetTypeRec(AliITSDetTypeRec *ptr){fDetTypeRec = ptr;}
     enum{kNSPDMod=240};
 
     // Methods containing run-loaders, should be moved to some other class
@@ -45,13 +49,32 @@ class AliITSVertexer : public AliVertexer {
     void WriteCurrentVertex();
     void FindVertices();
 
+    Int_t GetMinTrackletsForPilup() const {return fMinTrackletsForPilup;}
+    void SetMinTrackletsForPilup(Int_t mint=2) {fMinTrackletsForPilup=mint;} 
+    Bool_t IsPileup() const{return fIsPileup;}
+    Float_t GetZPileupV() const {
+      if(IsPileup()) return fZpuv;
+      else return -9999999.;
+    }
+    Int_t GetNTrackletsPileupV() const {
+      if(IsPileup()) return fNTrpuv;
+      else return -2;
+    }
  protected:
     static const Float_t fgkPipeRadius;  // beam pipe radius (cm)
     UShort_t *fLadders; // array with layer1-layer2 ladders correspondances  
     Int_t fLadOnLay2;   // (2*fLadOnLay2+1)=number of layer2 ladders 
                       // associated to a layer1 ladder
+    Bool_t  fComputeMultiplicity;      // flag to switch on/off tracklet calculation
     Bool_t  fUseModule[kNSPDMod]; // flag for enabling/disabling SPD modules
- 
+    AliITSDetTypeRec *fDetTypeRec;  //! pointer to DetTypeRec
+    Int_t fMinTrackletsForPilup;  // min. n. of tracklets for pilup definition
+    Bool_t fIsPileup;             // flag for pileup
+    Int_t fNTrpuv;             // tracklets in pile-up vertex
+    Float_t fZpuv;             // Z of second pile-up vertex
+    Int_t fNoVertices;         //! number of vertices found 
+    AliESDVertex* fVertArray;    //! vertices (main+pileupped)
+
  private:
     // copy constructor (NO copy allowed: the constructor is protected
     // to avoid misuse)
@@ -61,9 +84,8 @@ class AliITSVertexer : public AliVertexer {
 
     Int_t fFirstEvent;          // First event to be processed by FindVertices
     Int_t fLastEvent;           // Last event to be processed by FindVertices
-    const AliITSDetTypeRec *fDetTypeRec;  //! pointer to DetTypeRec
 
-  ClassDef(AliITSVertexer,7);
+  ClassDef(AliITSVertexer,11);
 };
 
 #endif