Line data    Source code

       1             : #ifndef ALIMEANVERTEX_H
       2             : #define ALIMEANVERTEX_H
       3             : /* Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
       4             :  * See cxx source for full Copyright notice                               */
       5             : 
       6             : /* $Id$ */
       7             : /*****************************************************************************
       8             :  *                                                                           *
       9             :  * This class contains the coordinates of the mean primary vertex position   *
      10             :  * computed by AliITSMeanVertex                                              *
      11             :  *                                                                           *
      12             : *****************************************************************************/
      13             : #include "AliESDVertex.h"
      14             : 
      15           0 : class AliMeanVertex : public AliESDVertex {
      16             :  public:
      17             :   AliMeanVertex();
      18             :   AliMeanVertex(Double_t pos[3],Double_t err[3],Double_t cov[6],Int_t nevents, Float_t notracklets, Float_t avertracklets, Float_t signotrackl);
      19           0 :   virtual ~AliMeanVertex() {}
      20             : 
      21           0 :   Int_t GetNumberOfContributingEvents() const { return GetNContributors(); }
      22             :   void GetErrorsOnPosition(Double_t err[3]) const;
      23           0 :   Float_t GetTotalNumbOfTracklets() const { return fTotTracklets; }
      24           0 :   Float_t GetAverageNumbOfTracklets() const { return fAverTracklets; }
      25           0 :   Float_t GetSigmaOnAvNumbOfTracks() const { return fSigmaOnAverTrack; }
      26             : 
      27             :  protected:
      28             :   Double32_t fErrW[3];       // errors on vertex coordinates (weighted average)
      29             :   Float_t      fTotTracklets;   // total number of tracklets used for M.V.
      30             :   Float_t    fAverTracklets;  // average number of tracklets per event
      31             :   Float_t fSigmaOnAverTrack;  // sigma on fAverTracklets
      32             : 
      33         172 :   ClassDef(AliMeanVertex,1)  // Class for mean Vertex   
      34             : }; 
      35             : 
      36             : #endif