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7f6ddf58 | 1 | #ifndef ALIV0VERTEXER_H |
2 | #define ALIV0VERTEXER_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | //------------------------------------------------------------------ | |
7 | // V0 Vertexer Class | |
18856a77 | 8 | // reads tracks writes out V0 vertices |
7f6ddf58 | 9 | // Origin: Iouri Belikov, IReS, Strasbourg, Jouri.Belikov@cern.ch |
10 | //------------------------------------------------------------------ | |
11 | ||
12 | #include "TObject.h" | |
13 | ||
566abf75 | 14 | class TTree; |
af885e0f | 15 | class AliESDEvent; |
7f6ddf58 | 16 | |
17 | //_____________________________________________________________________________ | |
18 | class AliV0vertexer : public TObject { | |
19 | public: | |
20 | AliV0vertexer(); | |
7f6ddf58 | 21 | void SetCuts(const Double_t cuts[7]); |
5e4ff34d | 22 | static void SetDefaultCuts(const Double_t cuts[7]); |
7f6ddf58 | 23 | |
af885e0f | 24 | Int_t Tracks2V0vertices(AliESDEvent *event); |
e23730c7 | 25 | |
7f6ddf58 | 26 | void GetCuts(Double_t cuts[7]) const; |
5e4ff34d | 27 | static void GetDefaultCuts(Double_t cuts[7]); |
7f6ddf58 | 28 | |
29 | private: | |
5e4ff34d | 30 | static |
31 | Double_t fgChi2max; // maximal allowed chi2 | |
32 | static | |
f43287fc | 33 | Double_t fgDNmin; // min allowed impact parameter for the 1st daughter |
5e4ff34d | 34 | static |
f43287fc | 35 | Double_t fgDPmin; // min allowed impact parameter for the 2nd daughter |
5e4ff34d | 36 | static |
37 | Double_t fgDCAmax; // maximal allowed DCA between the daughter tracks | |
38 | static | |
46be1d8a | 39 | Double_t fgCPAmin; // minimal allowed cosine of V0's pointing angle |
5e4ff34d | 40 | static |
41 | Double_t fgRmin, fgRmax; // max & min radii of the fiducial volume | |
42 | ||
7f6ddf58 | 43 | Double_t fChi2max; // maximal allowed chi2 |
f43287fc | 44 | Double_t fDNmin; // min allowed impact parameter for the 1st daughter |
45 | Double_t fDPmin; // min allowed impact parameter for the 2nd daughter | |
7f6ddf58 | 46 | Double_t fDCAmax; // maximal allowed DCA between the daughter tracks |
46be1d8a | 47 | Double_t fCPAmin; // minimal allowed cosine of V0's pointing angle |
7f6ddf58 | 48 | Double_t fRmin, fRmax; // max & min radii of the fiducial volume |
49 | ||
46be1d8a | 50 | ClassDef(AliV0vertexer,3) // V0 verterxer |
7f6ddf58 | 51 | }; |
52 | ||
fe12e09c | 53 | inline AliV0vertexer::AliV0vertexer() : |
54 | TObject(), | |
5e4ff34d | 55 | fChi2max(fgChi2max), |
56 | fDNmin(fgDNmin), | |
57 | fDPmin(fgDPmin), | |
58 | fDCAmax(fgDCAmax), | |
46be1d8a | 59 | fCPAmin(fgCPAmin), |
5e4ff34d | 60 | fRmin(fgRmin), |
61 | fRmax(fgRmax) | |
fe12e09c | 62 | { |
7f6ddf58 | 63 | } |
64 | ||
65 | inline void AliV0vertexer::SetCuts(const Double_t cuts[7]) { | |
66 | fChi2max=cuts[0]; | |
67 | fDNmin=cuts[1]; fDPmin=cuts[2]; | |
46be1d8a | 68 | fDCAmax=cuts[3]; fCPAmin=cuts[4]; |
7f6ddf58 | 69 | fRmin=cuts[5]; fRmax=cuts[6]; |
70 | } | |
71 | ||
5e4ff34d | 72 | inline void AliV0vertexer::SetDefaultCuts(const Double_t cuts[7]) { |
73 | fgChi2max=cuts[0]; | |
74 | fgDNmin=cuts[1]; fgDPmin=cuts[2]; | |
46be1d8a | 75 | fgDCAmax=cuts[3]; fgCPAmin=cuts[4]; |
5e4ff34d | 76 | fgRmin=cuts[5]; fgRmax=cuts[6]; |
77 | } | |
78 | ||
7f6ddf58 | 79 | inline void AliV0vertexer::GetCuts(Double_t cuts[7]) const { |
80 | cuts[0]=fChi2max; | |
81 | cuts[1]=fDNmin; cuts[2]=fDPmin; | |
46be1d8a | 82 | cuts[3]=fDCAmax; cuts[4]=fCPAmin; |
7f6ddf58 | 83 | cuts[5]=fRmin; cuts[6]=fRmax; |
84 | } | |
85 | ||
5e4ff34d | 86 | inline void AliV0vertexer::GetDefaultCuts(Double_t cuts[7]) { |
87 | cuts[0]=fgChi2max; | |
88 | cuts[1]=fgDNmin; cuts[2]=fgDPmin; | |
46be1d8a | 89 | cuts[3]=fgDCAmax; cuts[4]=fgCPAmin; |
5e4ff34d | 90 | cuts[5]=fgRmin; cuts[6]=fgRmax; |
91 | } | |
92 | ||
7f6ddf58 | 93 | #endif |
94 | ||
95 |