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