Bug corrected.
[u/mrichter/AliRoot.git] / STEER / AliMeanVertex.h
CommitLineData
3018c446 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
15class 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 virtual ~AliMeanVertex() {}
20
21 Int_t GetNumberOfContributingEvents() const { return GetNContributors(); }
22 void GetErrorsOnPosition(Double_t err[3]) const;
23 Float_t GetTotalNumbOfTracklets() const { return fTotTracklets; }
24 Float_t GetAverageNumbOfTracklets() const { return fAverTracklets; }
25 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 ClassDef(AliMeanVertex,1) // Class for mean Vertex
34};
35
36#endif