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8a553be2 | 1 | #ifndef ALIVERTEX_H |
2 | #define ALIVERTEX_H | |
3 | /* Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | ||
7 | //------------------------------------------------------- | |
8 | // Base Vertex Class | |
9 | // Used for secondary vertices and as a base class for primary vertices | |
10 | // Origin: F. Prino, Torino, prino@to.infn.it | |
11 | //------------------------------------------------------- | |
12 | ||
13 | ||
14 | #include <TNamed.h> | |
15 | ||
16 | class AliVertex : public TNamed { | |
17 | ||
18 | public: | |
19 | ||
20 | AliVertex(); | |
21 | AliVertex(Double_t position[3],Double_t dispersion, | |
22 | Int_t nContributors); | |
2d57349e | 23 | AliVertex(const AliVertex &source); |
24 | AliVertex &operator=(const AliVertex &source); | |
8a553be2 | 25 | virtual ~AliVertex(); |
26 | ||
27 | ||
28 | virtual void SetXYZ(Double_t pos[3]) | |
29 | {for(Int_t j=0; j<3; j++) fPosition[j]=pos[j];} | |
30 | virtual void SetXv(Double_t xVert) {fPosition[0]=xVert; } | |
31 | virtual void SetYv(Double_t yVert) {fPosition[1]=yVert; } | |
32 | virtual void SetZv(Double_t zVert) {fPosition[2]=zVert; } | |
33 | virtual void SetDispersion(Double_t disp) { fSigma=disp; } | |
34 | virtual void SetNContributors(Int_t nContr) {fNContributors=nContr; } | |
35 | ||
36 | virtual void GetXYZ(Double_t position[3]) const; | |
37 | virtual Double_t GetXv() const { return fPosition[0]; } | |
38 | virtual Double_t GetYv() const { return fPosition[1]; } | |
39 | virtual Double_t GetZv() const { return fPosition[2]; } | |
40 | virtual Double_t GetDispersion() const { return fSigma; } | |
41 | virtual Int_t GetNContributors() const { return fNContributors; } | |
42 | ||
43 | virtual void Print(Option_t* option = "") const; | |
44 | ||
45 | protected: | |
46 | ||
47 | Double_t fPosition[3]; // vertex position | |
48 | Double_t fSigma; // track dispersion around found vertex | |
49 | Int_t fNContributors; // # of tracklets/tracks used for the estimate | |
50 | ||
51 | ||
52 | ClassDef(AliVertex,1) // Class for Primary Vertex | |
53 | }; | |
54 | ||
55 | #endif |