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04fa961a | 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 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // This class creates and fills the monitor histograms for the TPC // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
5fe305fe | 24 | #include <TFolder.h> |
25 | #include <TTree.h> | |
26 | #include <TVector3.h> | |
04fa961a | 27 | |
7ba8900c | 28 | #include "AliLog.h" |
af885e0f | 29 | #include "AliESDEvent.h" |
7b4414a8 | 30 | #include "AliESDtrack.h" |
c4bd737c | 31 | #include "AliMonitorDataTPC.h" |
32 | #include "AliMonitorHisto.h" | |
5fe305fe | 33 | #include "AliMonitorTPC.h" |
c4bd737c | 34 | #include "AliMonitorTrend.h" |
5fe305fe | 35 | #include "AliRawReader.h" |
36 | #include "AliRunLoader.h" | |
37 | #include "AliTPCClustersRow.h" | |
c4bd737c | 38 | #include "AliTPCParam.h" |
04fa961a | 39 | #include "AliTPCRawStream.h" |
04fa961a | 40 | #include "AliTPCclusterMI.h" |
04fa961a | 41 | |
c4bd737c | 42 | ClassImp(AliMonitorTPC) |
04fa961a | 43 | |
44 | ||
45 | //_____________________________________________________________________________ | |
17c3cc9e | 46 | AliMonitorTPC::AliMonitorTPC(AliTPCParam* param): |
47 | AliMonitor(), | |
48 | fParam(param), | |
49 | fPadsCharge(NULL), | |
50 | fClustersCharge(NULL), | |
51 | fNClustersVsRow(NULL), | |
52 | fNClustersVsSector(NULL), | |
53 | fNTracks(NULL), | |
54 | fTrackPt(NULL), | |
55 | fTrackEta(NULL), | |
56 | fTrackPhi(NULL), | |
57 | fTrackNCl(NULL), | |
58 | fTrackDEdxVsP(NULL), | |
59 | fTrackDEdx(NULL), | |
60 | fTrackEtaVsPhi(NULL), | |
61 | fPtEtaVsPhi(NULL), | |
62 | fData(new AliMonitorDataTPC(10000)) | |
04fa961a | 63 | { |
c4bd737c | 64 | // create a TPC monitor object with the given parameters |
04fa961a | 65 | |
04fa961a | 66 | } |
67 | ||
68 | //_____________________________________________________________________________ | |
69 | AliMonitorTPC::~AliMonitorTPC() | |
70 | { | |
71 | delete fData; | |
72 | } | |
73 | ||
74 | ||
75 | //_____________________________________________________________________________ | |
76 | void AliMonitorTPC::CreateHistos(TFolder* folder) | |
77 | { | |
78 | // create the TPC monitor histograms | |
79 | ||
80 | fFolder = folder->AddFolder("TPC", "TPC"); | |
81 | ||
82 | fPadsCharge = CreateHisto1("PadsCharge", "charge distribution of pads", | |
83 | 100, 0, 200, "charge", "#Delta N/N", | |
84 | AliMonitorHisto::kNormEvents); | |
85 | ||
86 | fClustersCharge = CreateHisto1("ClustersCharge", | |
87 | "charge distribution of clusters", | |
88 | 100, 0, 1000, "charge", "#Delta N/N", | |
89 | AliMonitorHisto::kNormEvents); | |
90 | ||
91 | Int_t nRows = fParam->GetNRowLow() + fParam->GetNRowUp(); | |
92 | fNClustersVsRow = CreateHisto1("NClustersVsRow", | |
93 | "mean number of clusters per pad row", | |
94 | nRows, -0.5, nRows-0.5, | |
95 | "pad row", "<N_{clusters}>", | |
96 | AliMonitorHisto::kNormEvents); | |
97 | ||
98 | Int_t nSector = fParam->GetNInnerSector(); | |
99 | fNClustersVsSector = CreateHisto1("NClustersVsSector", | |
100 | "mean number of clusters per sector", | |
101 | nSector, -0.5, nSector-0.5, | |
102 | "sector", "<N_{clusters}>", | |
103 | AliMonitorHisto::kNormEvents); | |
104 | ||
105 | fNTracks = CreateTrend("NTracks", "number of tracks per event", | |
106 | "N_{tracks}"); | |
107 | ||
108 | fTrackPt = CreateHisto1("TrackPt", "pt distribution of tracks", | |
109 | 90, 0, 3, "p_{t} [GeV/c]", "#Delta N/N", | |
524a85e8 | 110 | AliMonitorHisto::kNormNone); |
04fa961a | 111 | |
112 | fTrackEta = CreateHisto1("TrackEta", "eta distribution of tracks", | |
113 | 100, -2, 2, "#eta", "#Delta N/N", | |
114 | AliMonitorHisto::kNormEntries); | |
115 | ||
116 | fTrackPhi = CreateHisto1("TrackPhi", "phi distribution of tracks", | |
b6a3610d | 117 | 120, -180, 180, "#phi [#circ]", "#Delta N/N", |
04fa961a | 118 | AliMonitorHisto::kNormEntries); |
119 | fTrackPhi->SetDescription("The phi distribution should be flat on average.\nIf it is not flat check for dead TPC sectors."); | |
120 | ||
c650b50c | 121 | fTrackNCl = CreateHisto1("TrackNCl", "Number of clusters per track", |
122 | 200, 0, 200, "N_{clusters}", "#Delta N/N", | |
524a85e8 | 123 | AliMonitorHisto::kNormNone); |
c650b50c | 124 | |
04fa961a | 125 | fTrackDEdxVsP = CreateHisto2("TrackDEdxVsP", "dE/dx of tracks", |
126 | 100, 0, 3, 100, 0, 200, | |
127 | "p [GeV/c]", "dE/dx", "#Delta N/N", | |
128 | AliMonitorHisto::kNormEntries); | |
524a85e8 | 129 | |
130 | fTrackDEdx = CreateHisto1("TrackDEdx", "dE/dx of tracks with 0.4<p<1.0 GeV/c", | |
131 | 50, 0, 100, | |
132 | "dE/dx", "#Delta N/N", | |
133 | AliMonitorHisto::kNormEntries); | |
134 | ||
135 | fTrackEtaVsPhi = CreateHisto2("TrackEtaVsPhi", "#phi vs #eta", | |
136 | 20, -1, 1, 25, 0, 360, | |
137 | "#eta", "#phi", "#Delta N/N", | |
138 | AliMonitorHisto::kNormNone); | |
139 | ||
140 | fPtEtaVsPhi = CreateHisto2("PtEtaVsPhi", "#phi vs #eta", | |
141 | 20, -1, 1, 25, 0, 360, | |
142 | "#eta", "#phi", "#Delta N/N", | |
143 | AliMonitorHisto::kNormNone); | |
144 | ||
04fa961a | 145 | } |
146 | ||
147 | ||
148 | //_____________________________________________________________________________ | |
149 | void AliMonitorTPC::CreateBranches(TTree* tree) | |
150 | { | |
151 | // create a branch with TPC variables | |
152 | ||
153 | tree->Branch("TPC", "AliMonitorDataTPC", &fData); | |
154 | } | |
155 | ||
156 | ||
157 | //_____________________________________________________________________________ | |
158 | void AliMonitorTPC::FillHistos(AliRunLoader* runLoader, | |
af885e0f | 159 | AliRawReader* rawReader, AliESDEvent* esd) |
04fa961a | 160 | { |
161 | // fill the TPC monitor histogrms | |
162 | ||
163 | rawReader->Reset(); | |
164 | AliTPCRawStream input(rawReader); | |
165 | while (input.Next()) { | |
166 | fPadsCharge->Fill(input.GetSignal()); | |
167 | } | |
168 | ||
169 | AliLoader* tpcLoader = runLoader->GetLoader("TPCLoader"); | |
170 | if (!tpcLoader) return; | |
171 | ||
172 | ||
173 | tpcLoader->LoadRecPoints(); | |
174 | TTree* clusters = tpcLoader->TreeR(); | |
175 | if (!clusters) return; | |
176 | AliTPCClustersRow* clustersRow = new AliTPCClustersRow; | |
177 | clustersRow->SetClass("AliTPCclusterMI"); | |
178 | clusters->SetBranchAddress("Segment", &clustersRow); | |
179 | ||
180 | for (Int_t i = 0; i < clusters->GetEntries(); i++) { | |
181 | clusters->GetEntry(i); | |
182 | Int_t iSector, iRow; | |
183 | fParam->AdjustSectorRow(clustersRow->GetID(), iSector, iRow); | |
184 | if (iSector >= fParam->GetNInnerSector()) { | |
185 | iRow += fParam->GetNRowLow(); | |
186 | iSector -= fParam->GetNInnerSector(); | |
187 | } | |
188 | ||
189 | TObjArray* array = clustersRow->GetArray(); | |
190 | for (Int_t j = 0; j < array->GetEntriesFast(); j++) { | |
191 | AliTPCclusterMI* cluster = (AliTPCclusterMI*) array->At(j); | |
192 | fClustersCharge->Fill(cluster->GetQ()); | |
193 | fNClustersVsRow->Fill(iRow); | |
194 | fNClustersVsSector->Fill(iSector); | |
195 | } | |
196 | } | |
97d6eb66 | 197 | fNClustersVsSector->ScaleErrorBy(10.); |
04fa961a | 198 | |
199 | delete clustersRow; | |
200 | tpcLoader->UnloadRecPoints(); | |
201 | ||
202 | ||
b6a3610d | 203 | Int_t nTracks = 0; |
204 | for (Int_t i = 0; i < esd->GetNumberOfTracks(); i++) { | |
205 | AliESDtrack* track = esd->GetTrack(i); | |
206 | if (!track || ((track->GetStatus() | AliESDtrack::kTPCin) == 0)) continue; | |
207 | nTracks++; | |
208 | ||
209 | Double_t pxyz[3]; | |
210 | track->GetInnerPxPyPz(pxyz); | |
211 | TVector3 pTrack(pxyz); | |
212 | Double_t p = pTrack.Mag(); | |
213 | Double_t pt = pTrack.Pt(); | |
214 | Double_t eta = pTrack.Eta(); | |
215 | Double_t phi = pTrack.Phi() * TMath::RadToDeg(); | |
216 | ||
217 | fTrackPt->Fill(pt); | |
218 | fTrackEta->Fill(eta); | |
219 | fTrackPhi->Fill(phi); | |
220 | if (pt > 3.) { | |
221 | fTrackEtaVsPhi->Fill(eta, phi); | |
222 | fPtEtaVsPhi->Fill(eta, phi, pTrack.Pt()); | |
524a85e8 | 223 | } |
b6a3610d | 224 | fTrackNCl->Fill(track->GetTPCclusters(NULL)); |
225 | fTrackDEdxVsP->Fill(p, track->GetTPCsignal()); | |
226 | if(p>0.4 && p<1.0) | |
227 | fTrackDEdx->Fill(track->GetTPCsignal()); | |
04fa961a | 228 | |
b6a3610d | 229 | fData->SetData(i, pt, eta, phi); |
04fa961a | 230 | } |
b6a3610d | 231 | fNTracks->Fill(nTracks); |
232 | fData->SetNTracks(nTracks); | |
04fa961a | 233 | } |