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70f2ce9d | 1 | #ifndef AliAnalysisTaskKMeans_cxx |
2 | #define AliAnalysisTaskKMeans_cxx | |
3 | /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | //------------------------------------------------------------------------- | |
9 | // Analysis Task that uses the Soft K-Means Algorithm to find clusters in | |
10 | // the eta-phi space of Minimum Bias. No pt information is used for the clustering. | |
11 | // | |
12 | // | |
13 | // Author: Andreas Morsch (CERN) | |
14 | // andreas.morsch@cern.ch | |
15 | //------------------------------------------------------------------------- | |
16 | ||
17 | class TH1F; | |
18 | class TH2F; | |
19 | class TList; | |
20 | class TProfile; | |
21 | ||
22 | class AliESDEvent; | |
23 | class AliESDtrack; | |
24 | class AliESDtrackCuts; | |
25 | ||
26 | ||
27 | #include "AliAnalysisTaskSE.h" | |
28 | ||
29 | class AliAnalysisTaskKMeans : public AliAnalysisTaskSE { | |
30 | public: | |
31 | AliAnalysisTaskKMeans(); | |
32 | AliAnalysisTaskKMeans(const char *name); | |
33 | virtual ~AliAnalysisTaskKMeans() {} | |
34 | virtual void UserCreateOutputObjects(); | |
35 | virtual void UserExec(Option_t *option); | |
36 | virtual void Terminate(Option_t *); | |
37 | virtual void SetCuts(AliESDtrackCuts* cuts) {fCuts = cuts;} | |
38 | virtual Double_t DeltaPhi(Double_t phi1, Double_t phi2); | |
39 | virtual Double_t DeltaR(Double_t phi1, Double_t eta1, Double_t phi2, Double_t eta2); | |
40 | ||
41 | private: | |
42 | // Others | |
43 | TList* fHists; // Histograms | |
44 | TH1F* fH1CEta; // Eta distribution of clusters | |
45 | TH1F* fH1CPhi; // Phi distribution of clusters | |
46 | TH1F* fH1CEtaR; // Eta distribution of clusters for rndm evnt | |
47 | TH2F* fH2N1N2; // Cluster sizes | |
48 | TH1F* fH1Pt; // pt outside clusters | |
49 | TH1F* fH1PtC; // pt outside clusters | |
50 | TH1F* fH1PtC1; // pt dr > 0.4 | |
51 | TH1F* fH1PtC2; // pt dr > 0.2 | |
a51f90df | 52 | TH1F* fH1SPt; // sum pt |
53 | TH1F* fH1SPtC; // sum pt | |
70f2ce9d | 54 | TH1F* fH1DPhi; // Dphi wr to cluster |
55 | TH1F* fH1DR; // DR wr to cluster | |
56 | TH1F* fH1DRR; // DR wr to cluster from rndm events | |
57 | TH2F* fH2DPhiEta; // eta-phi wr to cluster | |
58 | TH2F* fH2DPhiEtaR; // eta-phi wr to cluster for rndm events | |
59 | TH2F* fH2DPhiEtaL; // eta-phi of leading particle | |
a51f90df | 60 | TH2F* fH2DPhiEtaC; // eta-phi of Clusters |
61 | TH2F* fH2DPhiEtaCR; // eta-phi of Clusters | |
70f2ce9d | 62 | |
63 | AliESDtrackCuts* fCuts; // List of cuts | |
64 | ClassDef(AliAnalysisTaskKMeans, 1); // A k-means clustering analysis | |
65 | }; | |
66 | ||
67 | #endif |