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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 | ||
24 | ||
25 | #include "AliMonitorTPC.h" | |
26 | #include "AliMonitorDataTPC.h" | |
27 | #include "AliMonitorHisto.h" | |
28 | #include "AliMonitorTrend.h" | |
29 | #include "AliTPCParam.h" | |
30 | #include "AliTPCRawStream.h" | |
31 | #include "AliTPCClustersRow.h" | |
32 | #include "AliTPCclusterMI.h" | |
33 | #include "AliTPCtrack.h" | |
34 | #include "AliRunLoader.h" | |
35 | #include "AliRawReader.h" | |
36 | #include <TFolder.h> | |
37 | #include <TTree.h> | |
38 | ||
39 | ||
40 | ClassImp(AliMonitorTPC) | |
41 | ||
42 | ||
43 | //_____________________________________________________________________________ | |
44 | AliMonitorTPC::AliMonitorTPC(AliTPCParam* param) | |
45 | { | |
46 | // create a TPC monitor object with the given parameters | |
47 | ||
48 | fParam = param; | |
49 | fData = new AliMonitorDataTPC(10000); | |
50 | } | |
51 | ||
52 | //_____________________________________________________________________________ | |
53 | AliMonitorTPC::AliMonitorTPC(const AliMonitorTPC& monitor) : | |
54 | AliMonitor(monitor) | |
55 | { | |
56 | Fatal("AliMonitorTPC", "copy constructor not implemented"); | |
57 | } | |
58 | ||
59 | //_____________________________________________________________________________ | |
60 | AliMonitorTPC& AliMonitorTPC::operator = (const AliMonitorTPC& /*monitor*/) | |
61 | { | |
62 | Fatal("operator =", "assignment operator not implemented"); | |
63 | return *this; | |
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", | |
108 | AliMonitorHisto::kNormNone); | |
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", | |
115 | 120, 0, 360, "#phi [#circ]", "#Delta N/N", | |
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 | ||
119 | fTrackNCl = CreateHisto1("TrackNCl", "Number of clusters per track", | |
120 | 200, 0, 200, "N_{clusters}", "#Delta N/N", | |
121 | AliMonitorHisto::kNormNone); | |
122 | ||
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); | |
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 | ||
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, | |
157 | AliRawReader* rawReader) | |
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 | } | |
195 | fNClustersVsSector->ScaleErrorBy(10.); | |
196 | ||
197 | delete clustersRow; | |
198 | tpcLoader->UnloadRecPoints(); | |
199 | ||
200 | ||
201 | tpcLoader->LoadTracks(); | |
202 | TTree* tracks = tpcLoader->TreeT(); | |
203 | if (!tracks) return; | |
204 | AliTPCtrack* track = new AliTPCtrack; | |
205 | tracks->SetBranchAddress("tracks", &track); | |
206 | ||
207 | Int_t nTracks = (Int_t) tracks->GetEntries(); | |
208 | fNTracks->Fill(nTracks); | |
209 | fData->SetNTracks(nTracks); | |
210 | for (Int_t i = 0; i < nTracks; i++) { | |
211 | tracks->GetEntry(i); | |
212 | fTrackPt->Fill(track->Pt()); | |
213 | fTrackEta->Fill(track->Eta()); | |
214 | fTrackPhi->Fill(track->Phi() * TMath::RadToDeg()); | |
215 | if(track->Pt()>3.) { | |
216 | fTrackEtaVsPhi->Fill(track->Eta(),track->Phi() * TMath::RadToDeg()); | |
217 | fPtEtaVsPhi->Fill(track->Eta(),track->Phi() * TMath::RadToDeg(),track->Pt()); | |
218 | } | |
219 | fTrackNCl->Fill(track->GetNumberOfClusters()); | |
220 | fTrackDEdxVsP->Fill(track->P(), track->GetdEdx()); | |
221 | if(track->P()>0.4 && track->P()<1.0) | |
222 | fTrackDEdx->Fill(track->GetdEdx()); | |
223 | ||
224 | fData->SetData(i, track->Pt(), track->Eta(), | |
225 | track->Phi() * TMath::RadToDeg()); | |
226 | } | |
227 | ||
228 | delete track; | |
229 | tpcLoader->UnloadTracks(); | |
230 | } |