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