Updated macro
[u/mrichter/AliRoot.git] / STEER / AliVertexer.h
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2257f27e 1#ifndef ALIVERTEXER_H
2#define ALIVERTEXER_H
3
4#include<TObject.h>
32e449be 5#include<AliMultiplicity.h>
2257f27e 6
7///////////////////////////////////////////////////////////////////
8// //
9// Base class for primary vertex reconstruction //
10// //
11///////////////////////////////////////////////////////////////////
12
13class TFile;
14class TString;
15class TTRee;
16class AliESDVertex;
17
18
19class AliVertexer : public TObject {
20
21 public:
22 // default constructor
23 AliVertexer();
24
25 // destructor
26 virtual ~AliVertexer();
27 // computes the vertex for the current event
28 virtual AliESDVertex* FindVertexForCurrentEvent(Int_t evnumb)=0;
32e449be 29 // computes the vertex for each event and stores it on file
2257f27e 30 virtual void FindVertices()= 0;
32e449be 31 virtual AliMultiplicity* GetMultiplicity() const {return fMult;}
2257f27e 32 virtual void PrintStatus() const = 0;
2257f27e 33 virtual void SetFirstEvent(Int_t ev){fFirstEvent = ev;}
34 virtual void SetLastEvent(Int_t ev){fLastEvent = ev;}
4b3f8cff 35 virtual void SetVtxStart(Double_t x,Double_t y,Double_t z)
36 { fNominalPos[0]=x; fNominalPos[1]=y; fNominalPos[2]=z; }
37 virtual void SetVtxStartSigma(Double_t sx,Double_t sy,Double_t sz)
38 { fNominalCov[0]=sx*sx; fNominalCov[2]=sy*sy; fNominalCov[5]=sz*sz;
39 fNominalCov[1]=0.; fNominalCov[3]=0.; fNominalCov[4]=0.; }
40 virtual void SetVtxStart(AliESDVertex *vtx);
2257f27e 41 virtual void WriteCurrentVertex() = 0;
42
43
44 protected:
45 // copy constructor (NO copy allowed: the constructor is protected
46 // to avoid misuse)
47 AliVertexer(const AliVertexer& vtxr);
48 // assignment operator (NO assignment allowed)
49 AliVertexer& operator=(const AliVertexer& /* vtxr */);
50
51 AliESDVertex *fCurrentVertex; //! pointer to the vertex of the current
52 // event
53 Int_t fFirstEvent; // First event to be processed by FindVertices
54 Int_t fLastEvent; // Last event to be processed by FindVertices
4b3f8cff 55 Double_t fNominalPos[3]; // initial knowledge on vertex position
56 Double_t fNominalCov[6]; // initial knowledge on vertex position
32e449be 57 AliMultiplicity *fMult; //! Multiplicity object
2257f27e 58
4b3f8cff 59 ClassDef(AliVertexer,3);
2257f27e 60};
61
62#endif