ITS/AliITSVertexerIons.h

   1 #ifndef ALIITSVERTEXERIONS_H
   2 #define ALIITSVERTEXERIONS_H
   3
   4 #include <AliITSVertexer.h>
   5 #include <TH1F.h>
   6
   7 //////////////////////////////////////////////////////////////////////
   8 // AliITSVertexerIons  is a class for full 3D primary vertex        //
   9 // finding optimized for Ion-Ion interactions                       //
  10 //                                                                  //
  11 //                                                                  //
  12 //                                                                  //
  13 //                                                                  //
  14 // Written by Giuseppe Lo Re and Francesco Riggi                    //
  15 // Giuseppe.Lore@ct.infn.it                                         //
  16 // Franco.Riggi@ct.infn.it                                          //
  17 //                                                                  //
  18 // Release date: Mar 2004                                           //
  19 //                                                                  //
  20 //                                                                  //
  21 //////////////////////////////////////////////////////////////////////
  22
  23 class AliITS;
  24
  25 class AliITSVertexerIons : public AliITSVertexer {
  26
  27  public:
  28   AliITSVertexerIons();
  29   AliITSVertexerIons(TString fn);
  30   virtual ~AliITSVertexerIons(); // destructor
  31   virtual AliESDVertex* FindVertexForCurrentEvent(Int_t event);
  32   virtual void FindVertices();
  33   virtual void PhiFunc(Double_t &x,Double_t &y,Double_t &phi);
  34   virtual void PrintStatus() const;
  35   Int_t GetNpThreshold() const {return fNpThreshold;}
  36   void SetNpThreshold(Int_t t = 500){fNpThreshold = t;}
  37   Double_t GetMaxDeltaPhi() const {return fMaxDeltaPhi;}
  38   void SetMaxDeltaPhi(Double_t dphi=0.45) {fMaxDeltaPhi=dphi;}
  39   Double_t GetMaxDeltaZ() const {return fMaxDeltaPhi;}
  40   void SetMaxDeltaZ(Double_t dz=0.15) {fMaxDeltaZ=dz;}
  41   Double_t FindMaxAround(Double_t point, TH1F *h, Double_t distance);
  42
  43  protected:
  44   AliITS *fITS;            //! pointer to the AliITS object
  45   Int_t fNpThreshold;      // minimum number of rec points for vertexing
  46   Double_t fMaxDeltaPhi;
  47   Double_t fMaxDeltaZ;
  48
  49   ClassDef(AliITSVertexerIons,3);
  50 };
  51
  52 #endif