Line data    Source code

       1             : //-*- Mode: C++ -*-
       2             : // $Id$
       3             : 
       4             : #ifndef ALIHLTITSVERTEXERZ_H
       5             : #define ALIHLTITSVERTEXERZ_H
       6             : /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
       7             :  * See cxx source for full Copyright notice                               */
       8             : 
       9             : //-------------------------------------------------------------------------
      10             : //                          High Level Trigger ITS vertexer
      11             : //       This class is a fast version of the off-line AliITSVertexerZ.
      12             : //       The two main differences with respect to the off-line vertexer
      13             : //       are the splitting of the clusters in phi bins and the filling
      14             : //       of local arrays instead of root histograms.
      15             : //      
      16             : //           Origin: Cvetan Cheshkov, CERN, Cvetan.Cheshkov@cern.ch 
      17             : //-------------------------------------------------------------------------
      18             : 
      19             : #include "AliITSVertexerZ.h"
      20             : 
      21             : class TString;
      22             : class TTree;
      23             : class AliITSgeom;
      24             : 
      25             : //-------------------------------------------------------------------------
      26             : class AliHLTITSVertexerZ : public AliITSVertexerZ {
      27             : public:
      28             :   AliHLTITSVertexerZ();
      29             :   AliHLTITSVertexerZ(Float_t x0, Float_t y0);
      30             :   virtual ~AliHLTITSVertexerZ();
      31             : 
      32             :   AliESDVertex* FindVertexForCurrentEvent(AliITSgeom* /* geom */,TTree *tR);
      33             : 
      34           0 :   void SetBinWidthFine(Float_t bw=0.0005){fStepFine = bw;}
      35             : 
      36             :  private:
      37             :   AliHLTITSVertexerZ(const AliHLTITSVertexerZ &vtxr);
      38             :   AliHLTITSVertexerZ& operator=(const AliHLTITSVertexerZ&  vtxr );
      39             : 
      40             :   TH1F *fZCombf;           //! histogram with fine z distribution
      41             :   Float_t fStepFine;       // bin width for fZCombf histogram
      42             : 
      43           6 :   ClassDef(AliHLTITSVertexerZ,3)   //HLT ITS vertexer
      44             : };
      45             : 
      46             : typedef AliHLTITSVertexerZ AliL3ITSVertexerZ; // for backward compatibility
      47             : 
      48             : #endif