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22003a60 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | #include <TList.h> | |
19 | #include <TClonesArray.h> | |
20 | #include <TH1I.h> | |
21 | #include <TH1F.h> | |
22 | #include <TMath.h> | |
23 | ||
24 | #include "AliAODJet.h" | |
25 | #include "AliJetHistos.h" | |
26 | ||
27 | ClassImp(AliJetHistos) | |
28 | ||
29 | AliJetHistos::AliJetHistos(): | |
30 | fNJetsH(0x0), | |
31 | fPtH(0x0), | |
32 | fEtaH(0x0), | |
33 | fEneH(0x0), | |
34 | fPhiH(0x0) | |
35 | { | |
36 | // Default constructor | |
37 | ||
38 | fNJetsH = new TH1I("NJetsH","Number of Jets",12,0,11); | |
39 | SetProperties(fNJetsH,"Number of jets","Entries"); | |
40 | ||
41 | fPtH = new TH1F("PtH","Pt of Jets",50,0.,200.); | |
42 | SetProperties(fPtH,"P_{#perp} [GeV]","Entries"); | |
43 | ||
44 | fEtaH = new TH1F("EtaH","Pseudorapidity of Jets",30,-1.5,1.5); | |
45 | SetProperties(fEtaH,"#eta","Entries"); | |
46 | ||
47 | fEneH = new TH1F("EneH","Energy of Jets",50,0.,200.); | |
48 | SetProperties(fEneH,"Energy [GeV]","Entries"); | |
49 | ||
50 | fPhiH = new TH1F("PhiH","Azimuthal angle of Jets", | |
51 | 60,0.,2.0*TMath::Pi()); | |
52 | SetProperties(fPhiH,"#phi","Entries"); | |
53 | } | |
54 | ||
55 | AliJetHistos::~AliJetHistos() | |
56 | { | |
1240edf5 | 57 | // Destructor |
22003a60 | 58 | delete fNJetsH; |
59 | delete fPtH; | |
60 | delete fEtaH; | |
61 | delete fEneH; | |
62 | delete fPhiH; | |
63 | } | |
64 | ||
65 | void AliJetHistos::SetProperties(TH1* h,const char* x, const char* y) const | |
66 | { | |
67 | // Sets the histogram style properties | |
68 | h->SetMarkerStyle(20); | |
69 | h->SetMarkerSize(.5); | |
70 | h->SetMarkerColor(2); | |
71 | h->SetXTitle(x); | |
72 | h->SetYTitle(y); | |
73 | h->Sumw2(); | |
74 | } | |
75 | ||
76 | void AliJetHistos::AddHistosToList(TList *list) | |
77 | { | |
1240edf5 | 78 | // Add histos to the list |
22003a60 | 79 | list->Add(fNJetsH); |
80 | list->Add(fPtH); | |
81 | list->Add(fEtaH); | |
82 | list->Add(fEneH); | |
83 | list->Add(fPhiH); | |
84 | } | |
85 | ||
86 | ||
87 | void AliJetHistos::FillHistos(TClonesArray *jets) | |
88 | { | |
1240edf5 | 89 | // Fill histograms |
8bca421f | 90 | if(!jets)return; |
22003a60 | 91 | Int_t nj = jets->GetEntries(); |
92 | fNJetsH->Fill(nj,1); | |
93 | ||
94 | if (nj == 0 ) return; | |
95 | ||
96 | AliAODJet *j; | |
97 | for (Int_t i=0;i<nj;i++) { | |
98 | j = (AliAODJet *) jets->At(i); | |
99 | fPtH->Fill(j->Pt(),1); | |
100 | fEtaH->Fill(j->Eta(),1); | |
101 | fEneH->Fill(j->E(),1); | |
102 | fPhiH->Fill(j->Phi(),1); | |
103 | } | |
104 | ||
105 | } |