]>
Commit | Line | Data |
---|---|---|
917559ee | 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: AliTRDqaEnergyDeposit.cxx $ */ | |
17 | ||
18 | // | |
19 | // This class is a part of a package of high level QA monitoring for TRD. | |
20 | // In this class the dEdX is analyzed as a function of the particle type, | |
21 | // momentum and chamber. | |
22 | // | |
23 | // S. Radomski | |
24 | // radomski@physi.uni-heidelberg.de | |
25 | // March 2008 | |
26 | // | |
27 | ||
28 | #include "AliTRDqaEnergyDeposit.h" | |
29 | ||
30 | #include "TMath.h" | |
31 | #include "TH1D.h" | |
32 | #include "TH2D.h" | |
33 | #include "TFile.h" | |
34 | #include "TTree.h" | |
35 | #include "TChain.h" | |
36 | ||
37 | #include "AliESDEvent.h" | |
38 | #include "AliESDtrack.h" | |
39 | #include "AliKalmanTrack.h" | |
40 | ||
41 | //______________________________________________________________________________ | |
42 | ||
43 | AliTRDqaEnergyDeposit::AliTRDqaEnergyDeposit() | |
44 | : AliAnalysisTask("",""), | |
45 | fChain(0), | |
46 | fESD(0), | |
47 | fOutputContainer(0) | |
48 | { | |
49 | // Dummy default constructor | |
50 | } | |
51 | //______________________________________________________________________________ | |
52 | ||
53 | AliTRDqaEnergyDeposit:: AliTRDqaEnergyDeposit(AliTRDqaEnergyDeposit& /*trd*/) | |
54 | : AliAnalysisTask("",""), | |
55 | fChain(0), | |
56 | fESD(0), | |
57 | fOutputContainer(0) | |
58 | { | |
59 | // Dummy copy constructor | |
60 | ||
61 | //return *this; | |
62 | } | |
63 | ||
64 | //______________________________________________________________________________ | |
65 | AliTRDqaEnergyDeposit::AliTRDqaEnergyDeposit(const char *name) | |
66 | : AliAnalysisTask(name,""), | |
67 | fChain(0), | |
68 | fESD(0), | |
69 | fOutputContainer(0) | |
70 | { | |
71 | // Constructor. | |
72 | // Input slot #0 works with an Ntuple | |
73 | DefineInput(0, TChain::Class()); | |
74 | // Output slot #0 writes into a TH1 container | |
75 | DefineOutput(0, TObjArray::Class()) ; | |
76 | } | |
77 | ||
78 | //______________________________________________________________________________ | |
79 | void AliTRDqaEnergyDeposit::ConnectInputData(const Option_t *) | |
80 | { | |
81 | // Initialisation of branch container and histograms | |
82 | ||
83 | //AliInfo(Form("*** Initialization of %s", GetName())) ; | |
84 | ||
85 | fChain = (TChain*)GetInputData(0); | |
86 | fESD = new AliESDEvent(); | |
87 | fESD->ReadFromTree(fChain); | |
88 | } | |
89 | ||
90 | //________________________________________________________________________ | |
91 | void AliTRDqaEnergyDeposit::CreateOutputObjects() | |
92 | { | |
93 | // build histograms | |
94 | ||
95 | // prepare the scale from 0.5 to 10 GeV | |
96 | const Int_t knbinsx = 50; | |
97 | Double_t scalex[knbinsx+1]; | |
98 | Double_t dd = (TMath::Log(10) - TMath::Log(0.5)) / knbinsx; | |
99 | for(Int_t ix=0; ix<knbinsx+1; ix++) { | |
100 | scalex[ix] = 0.5 * TMath::Exp(dd * ix); | |
101 | } | |
102 | ||
103 | const Int_t knbinsy = 50; | |
104 | Double_t scaley[knbinsy+1]; | |
105 | for(Int_t iy=0; iy<knbinsy+1; iy++) { | |
106 | scaley[iy] = iy * (3e3/100.); | |
107 | } | |
108 | ||
109 | const char *title = ";p_{T};dEdX (a. u.)"; | |
110 | const char *charge[2] = {"Pos", "Neg"}; | |
111 | ||
112 | // build histograms | |
113 | fOutputContainer = new TObjArray(50); | |
114 | Int_t c=0; | |
115 | ||
116 | for(Int_t i=0; i<2; i++) { | |
117 | ||
118 | fSignalPtSum[i] = new TH2D(Form("ptSig%s", charge[i]), title, knbinsx, scalex, knbinsy, scaley); | |
119 | fOutputContainer->AddAt(fSignalPtSum[i], c++); | |
120 | ||
121 | for(Int_t j=0; j<AliPID::kSPECIES; j++) { | |
122 | Int_t idx = AliPID::kSPECIES*i+j; | |
123 | fSignalPtType[idx] = | |
124 | new TH2D(Form("ptSig%s%d", charge[i], j), title, knbinsx, scalex, knbinsy, scaley); | |
125 | fOutputContainer->AddAt(fSignalPtType[idx], c++); | |
126 | ||
127 | fProb[idx] = new TH1D(Form("prob%s%d", charge[i], j), ";LQ", 100, 0, 1); | |
128 | fOutputContainer->AddAt(fProb[idx], c++); | |
129 | } | |
130 | } | |
131 | ||
132 | printf("n hist = %d\n", c); | |
133 | } | |
134 | //______________________________________________________________________________ | |
135 | void AliTRDqaEnergyDeposit::Exec(Option_t *) | |
136 | { | |
137 | // Process one event | |
138 | ||
139 | // Long64_t entry = fChain->GetReadEntry() ; | |
140 | ||
141 | // Processing of one event | |
142 | ||
143 | if (!fESD) { | |
144 | //AliError("fESD is not connected to the input!") ; | |
145 | return ; | |
146 | } | |
147 | ||
148 | Int_t nTracks = fESD->GetNumberOfTracks(); | |
149 | //fNTracks->Fill(nTracks); | |
150 | ||
151 | // track loop | |
152 | for(Int_t i=0; i<nTracks; i++) { | |
153 | ||
154 | // | |
155 | // track selection | |
156 | // | |
157 | // param in and Out | |
158 | // TRDrefit and TRDPid bit | |
159 | // | |
160 | ||
161 | AliESDtrack *track = fESD->GetTrack(i); | |
162 | const AliExternalTrackParam *paramOut = track->GetOuterParam(); | |
163 | const AliExternalTrackParam *paramIn = track->GetInnerParam(); | |
164 | ||
165 | // long track .. | |
166 | if (!paramIn) continue; | |
167 | if (!paramOut) continue; | |
168 | ||
169 | UInt_t status = track->GetStatus(); | |
170 | if (!(status & AliESDtrack::kTRDrefit)) continue; | |
171 | if (!(status & AliESDtrack::kTRDpid)) continue; | |
172 | if (track->GetTRDpidQuality() < 6) continue; | |
173 | ||
174 | // standard selection | |
175 | ||
176 | Int_t idx = (track->GetSign() > 0) ? 0 : 1; | |
177 | Double_t pt = paramOut->Pt(); | |
178 | ||
179 | Double_t signal = 0; | |
180 | for(Int_t i=0; i<6; i++) | |
181 | signal += track->GetTRDsignals(i, -1); | |
182 | signal /= 6; | |
183 | ||
184 | fSignalPtSum[idx]->Fill(pt, signal); | |
185 | ||
186 | for(Int_t i=0; i<AliPID::kSPECIES; i++) { | |
187 | ||
188 | Double_t lq = track->GetTRDpid(i); | |
189 | fProb[AliPID::kSPECIES*idx+i]->Fill(lq); | |
190 | fSignalPtType[AliPID::kSPECIES*idx+i]->Fill(pt, signal, lq); | |
191 | } | |
192 | } | |
193 | ||
194 | PostData(0, fOutputContainer); | |
195 | } | |
196 | ||
197 | //______________________________________________________________________________ | |
198 | void AliTRDqaEnergyDeposit::Terminate(Option_t *) | |
199 | { | |
200 | // retrieve histograms | |
201 | fOutputContainer = (TObjArray*)GetOutputData(0); | |
202 | ||
203 | // post processing | |
204 | ||
205 | ||
206 | // save the results | |
207 | TFile *file = new TFile("outEnergyDeposit.root", "RECREATE"); | |
208 | fOutputContainer->Write(); | |
209 | ||
210 | file->Flush(); | |
211 | file->Close(); | |
212 | delete file; | |
213 | ||
214 | //for(Int_t i=0; i<fOutputContainer->GetEntries(); i++) { | |
215 | // TObject *obj = fOu | |
216 | // } | |
217 | } | |
218 | ||
219 | //______________________________________________________________________________ |