]>
Commit | Line | Data |
---|---|---|
8e2f611a | 1 | |
917559ee | 2 | /************************************************************************** |
3 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * * | |
5 | * Author: The ALICE Off-line Project. * | |
6 | * Contributors are mentioned in the code where appropriate. * | |
7 | * * | |
8 | * Permission to use, copy, modify and distribute this software and its * | |
9 | * documentation strictly for non-commercial purposes is hereby granted * | |
10 | * without fee, provided that the above copyright notice appears in all * | |
11 | * copies and that both the copyright notice and this permission notice * | |
12 | * appear in the supporting documentation. The authors make no claims * | |
13 | * about the suitability of this software for any purpose. It is * | |
14 | * provided "as is" without express or implied warranty. * | |
15 | **************************************************************************/ | |
16 | ||
17 | /* $Id: AliTRDqaEnergyDeposit.cxx $ */ | |
18 | ||
19 | // | |
20 | // This class is a part of a package of high level QA monitoring for TRD. | |
21 | // In this class the dEdX is analyzed as a function of the particle type, | |
22 | // momentum and chamber. | |
23 | // | |
24 | // S. Radomski | |
25 | // radomski@physi.uni-heidelberg.de | |
26 | // March 2008 | |
27 | // | |
28 | ||
29 | #include "AliTRDqaEnergyDeposit.h" | |
30 | ||
31 | #include "TMath.h" | |
32 | #include "TH1D.h" | |
33 | #include "TH2D.h" | |
34 | #include "TFile.h" | |
917559ee | 35 | #include "TChain.h" |
36 | ||
37 | #include "AliESDEvent.h" | |
38 | #include "AliESDtrack.h" | |
917559ee | 39 | |
40 | //______________________________________________________________________________ | |
41 | ||
42 | AliTRDqaEnergyDeposit::AliTRDqaEnergyDeposit() | |
43 | : AliAnalysisTask("",""), | |
44 | fChain(0), | |
45 | fESD(0), | |
46 | fOutputContainer(0) | |
47 | { | |
f2e1656b | 48 | // |
49 | // Default constructor | |
50 | // | |
51 | ||
ce42378b | 52 | for (Int_t i = 0; i < 2; i++) { |
53 | fSignalPtSum[i] = 0x0; | |
54 | } | |
55 | ||
56 | for (Int_t j = 0; j < 2*5; j++) { | |
57 | fSignalPtType[j] = 0x0; | |
58 | fSignalPtPure[j] = 0x0; | |
59 | fProb[j] = 0x0; | |
60 | } | |
61 | ||
917559ee | 62 | } |
f2e1656b | 63 | |
917559ee | 64 | //______________________________________________________________________________ |
65 | ||
f2e1656b | 66 | AliTRDqaEnergyDeposit:: AliTRDqaEnergyDeposit(const AliTRDqaEnergyDeposit & /*trd*/) |
917559ee | 67 | : AliAnalysisTask("",""), |
68 | fChain(0), | |
69 | fESD(0), | |
70 | fOutputContainer(0) | |
71 | { | |
f2e1656b | 72 | // |
73 | // Copy constructor | |
74 | // | |
75 | ||
ce42378b | 76 | for (Int_t i = 0; i < 2; i++) { |
77 | fSignalPtSum[i] = 0x0; | |
78 | } | |
79 | ||
80 | for (Int_t j = 0; j < 2*5; j++) { | |
81 | fSignalPtType[j] = 0x0; | |
82 | fSignalPtPure[j] = 0x0; | |
83 | fProb[j] = 0x0; | |
84 | } | |
85 | ||
917559ee | 86 | } |
87 | ||
88 | //______________________________________________________________________________ | |
89 | AliTRDqaEnergyDeposit::AliTRDqaEnergyDeposit(const char *name) | |
90 | : AliAnalysisTask(name,""), | |
91 | fChain(0), | |
92 | fESD(0), | |
93 | fOutputContainer(0) | |
94 | { | |
f2e1656b | 95 | // |
917559ee | 96 | // Constructor. |
f2e1656b | 97 | // |
98 | ||
917559ee | 99 | // Input slot #0 works with an Ntuple |
100 | DefineInput(0, TChain::Class()); | |
101 | // Output slot #0 writes into a TH1 container | |
102 | DefineOutput(0, TObjArray::Class()) ; | |
f2e1656b | 103 | |
ce42378b | 104 | for (Int_t i = 0; i < 2; i++) { |
105 | fSignalPtSum[i] = 0x0; | |
106 | } | |
107 | ||
108 | for (Int_t j = 0; j < 2*5; j++) { | |
109 | fSignalPtType[j] = 0x0; | |
110 | fSignalPtPure[j] = 0x0; | |
111 | fProb[j] = 0x0; | |
112 | } | |
113 | ||
917559ee | 114 | } |
115 | ||
116 | //______________________________________________________________________________ | |
117 | void AliTRDqaEnergyDeposit::ConnectInputData(const Option_t *) | |
118 | { | |
119 | // Initialisation of branch container and histograms | |
120 | ||
121 | //AliInfo(Form("*** Initialization of %s", GetName())) ; | |
122 | ||
123 | fChain = (TChain*)GetInputData(0); | |
124 | fESD = new AliESDEvent(); | |
125 | fESD->ReadFromTree(fChain); | |
126 | } | |
127 | ||
128 | //________________________________________________________________________ | |
129 | void AliTRDqaEnergyDeposit::CreateOutputObjects() | |
130 | { | |
131 | // build histograms | |
132 | ||
133 | // prepare the scale from 0.5 to 10 GeV | |
134 | const Int_t knbinsx = 50; | |
135 | Double_t scalex[knbinsx+1]; | |
136 | Double_t dd = (TMath::Log(10) - TMath::Log(0.5)) / knbinsx; | |
137 | for(Int_t ix=0; ix<knbinsx+1; ix++) { | |
138 | scalex[ix] = 0.5 * TMath::Exp(dd * ix); | |
139 | } | |
140 | ||
141 | const Int_t knbinsy = 50; | |
142 | Double_t scaley[knbinsy+1]; | |
143 | for(Int_t iy=0; iy<knbinsy+1; iy++) { | |
144 | scaley[iy] = iy * (3e3/100.); | |
145 | } | |
146 | ||
147 | const char *title = ";p_{T};dEdX (a. u.)"; | |
148 | const char *charge[2] = {"Pos", "Neg"}; | |
149 | ||
150 | // build histograms | |
151 | fOutputContainer = new TObjArray(50); | |
152 | Int_t c=0; | |
153 | ||
154 | for(Int_t i=0; i<2; i++) { | |
155 | ||
156 | fSignalPtSum[i] = new TH2D(Form("ptSig%s", charge[i]), title, knbinsx, scalex, knbinsy, scaley); | |
157 | fOutputContainer->AddAt(fSignalPtSum[i], c++); | |
158 | ||
159 | for(Int_t j=0; j<AliPID::kSPECIES; j++) { | |
160 | Int_t idx = AliPID::kSPECIES*i+j; | |
8e2f611a | 161 | |
162 | // | |
917559ee | 163 | fSignalPtType[idx] = |
164 | new TH2D(Form("ptSig%s%d", charge[i], j), title, knbinsx, scalex, knbinsy, scaley); | |
165 | fOutputContainer->AddAt(fSignalPtType[idx], c++); | |
8e2f611a | 166 | |
167 | // | |
168 | fSignalPtPure[idx] = | |
169 | new TH2D(Form("ptSigPure%s%d", charge[i], j), title, knbinsx, scalex, knbinsy, scaley); | |
170 | fOutputContainer->AddAt(fSignalPtPure[idx], c++); | |
917559ee | 171 | |
172 | fProb[idx] = new TH1D(Form("prob%s%d", charge[i], j), ";LQ", 100, 0, 1); | |
173 | fOutputContainer->AddAt(fProb[idx], c++); | |
174 | } | |
175 | } | |
176 | ||
177 | printf("n hist = %d\n", c); | |
178 | } | |
f2e1656b | 179 | |
917559ee | 180 | //______________________________________________________________________________ |
181 | void AliTRDqaEnergyDeposit::Exec(Option_t *) | |
182 | { | |
f2e1656b | 183 | // |
917559ee | 184 | // Process one event |
f2e1656b | 185 | // |
186 | ||
917559ee | 187 | // Long64_t entry = fChain->GetReadEntry() ; |
188 | ||
189 | // Processing of one event | |
190 | ||
191 | if (!fESD) { | |
192 | //AliError("fESD is not connected to the input!") ; | |
193 | return ; | |
194 | } | |
195 | ||
196 | Int_t nTracks = fESD->GetNumberOfTracks(); | |
197 | //fNTracks->Fill(nTracks); | |
198 | ||
199 | // track loop | |
200 | for(Int_t i=0; i<nTracks; i++) { | |
201 | ||
202 | // | |
203 | // track selection | |
204 | // | |
205 | // param in and Out | |
206 | // TRDrefit and TRDPid bit | |
207 | // | |
208 | ||
209 | AliESDtrack *track = fESD->GetTrack(i); | |
210 | const AliExternalTrackParam *paramOut = track->GetOuterParam(); | |
211 | const AliExternalTrackParam *paramIn = track->GetInnerParam(); | |
212 | ||
213 | // long track .. | |
214 | if (!paramIn) continue; | |
215 | if (!paramOut) continue; | |
216 | ||
217 | UInt_t status = track->GetStatus(); | |
218 | if (!(status & AliESDtrack::kTRDrefit)) continue; | |
219 | if (!(status & AliESDtrack::kTRDpid)) continue; | |
ed15ef4f | 220 | if (track->GetTRDntrackletsPID() < 6) continue; |
917559ee | 221 | |
222 | // standard selection | |
223 | ||
224 | Int_t idx = (track->GetSign() > 0) ? 0 : 1; | |
225 | Double_t pt = paramOut->Pt(); | |
226 | ||
227 | Double_t signal = 0; | |
7bce990c | 228 | for(Int_t k=0; k<6; ++k) |
229 | signal += track->GetTRDslice(k, -1); | |
917559ee | 230 | signal /= 6; |
231 | ||
232 | fSignalPtSum[idx]->Fill(pt, signal); | |
233 | ||
7bce990c | 234 | for(Int_t k=0; k<AliPID::kSPECIES; ++k) { |
917559ee | 235 | |
7bce990c | 236 | Double_t lq = track->GetTRDpid(k); |
237 | fProb[AliPID::kSPECIES*idx+k]->Fill(lq); | |
238 | if (lq > 0.8) fSignalPtType[AliPID::kSPECIES*idx+k]->Fill(pt, signal); | |
917559ee | 239 | } |
240 | } | |
241 | ||
242 | PostData(0, fOutputContainer); | |
8e2f611a | 243 | } |
244 | ||
245 | //______________________________________________________________________________ | |
f2e1656b | 246 | void AliTRDqaEnergyDeposit::FillElectrons() const |
247 | { | |
248 | // | |
249 | // Fill the electrons | |
250 | // | |
8e2f611a | 251 | |
917559ee | 252 | } |
253 | ||
254 | //______________________________________________________________________________ | |
255 | void AliTRDqaEnergyDeposit::Terminate(Option_t *) | |
256 | { | |
f2e1656b | 257 | // |
258 | // Retrieve histograms | |
259 | // | |
260 | ||
917559ee | 261 | fOutputContainer = (TObjArray*)GetOutputData(0); |
262 | ||
263 | // post processing | |
264 | ||
265 | ||
266 | // save the results | |
267 | TFile *file = new TFile("outEnergyDeposit.root", "RECREATE"); | |
268 | fOutputContainer->Write(); | |
269 | ||
270 | file->Flush(); | |
271 | file->Close(); | |
272 | delete file; | |
273 | ||
274 | //for(Int_t i=0; i<fOutputContainer->GetEntries(); i++) { | |
275 | // TObject *obj = fOu | |
276 | // } | |
277 | } | |
278 | ||
279 | //______________________________________________________________________________ |