Effective C++ changes
[u/mrichter/AliRoot.git] / MONITOR / AliMonitorITS.cxx
CommitLineData
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 ITS //
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"
04fa961a 30#include "AliITSRawStreamSDD.h"
31#include "AliITSRawStreamSSD.h"
32#include "AliITSclusterV2.h"
5fe305fe 33#include "AliITSgeom.h"
34#include "AliMonitorHisto.h"
35#include "AliMonitorITS.h"
c6ba6205 36#include "AliRawReader.h"
5fe305fe 37#include "AliRunLoader.h"
04fa961a 38
39ClassImp(AliMonitorITS)
40
41
42//_____________________________________________________________________________
17c3cc9e 43AliMonitorITS::AliMonitorITS(AliITSgeom* geom):
44 AliMonitor(),
45 fGeom(geom),
46 fSDDDigitsCharge(NULL),
47 fSSDDigitsCharge(NULL),
48 fSDDClustersCharge(NULL),
49 fSSDClustersCharge(NULL),
50 fSPDNClustersVsModule(NULL),
51 fSDDNClustersVsModule(NULL),
52 fSSDNClustersVsModule(NULL),
53 fNClustersVsLayer(NULL),
54 fNTracks(NULL),
55 fNTracksITSTPC(NULL),
56 fTrackPt(NULL),
57 fTrackEta(NULL),
58 fTrackPhi(NULL),
59 fTrackDEdxVsP(NULL)
60
04fa961a 61{
62// create a ITS monitor object with the given geometry
63
04fa961a 64}
65
66
67//_____________________________________________________________________________
68void AliMonitorITS::CreateHistos(TFolder* folder)
69{
70// create the ITS monitor histograms
71
72 fFolder = folder->AddFolder("ITS", "ITS");
73
74 fSDDDigitsCharge = CreateHisto1("SDDDigitsCharge",
75 "charge distribution of SDD digits",
76 128, 0, 256, "charge", "#Delta N/N",
77 AliMonitorHisto::kNormEvents);
78
79 fSSDDigitsCharge = CreateHisto1("SSDDigitsCharge",
80 "charge distribution of SSD digits",
81 100, 0, 200, "charge", "#Delta N/N",
82 AliMonitorHisto::kNormEvents);
83
84 fSDDClustersCharge = CreateHisto1("SDDClustersCharge",
85 "charge distribution of SDD clusters",
86 100, 0, 200, "charge", "#Delta N/N",
87 AliMonitorHisto::kNormEvents);
88
89 fSSDClustersCharge = CreateHisto1("SSDClustersCharge",
90 "charge distribution of SSD clusters",
91 100, 0, 400, "charge", "#Delta N/N",
92 AliMonitorHisto::kNormEvents);
93
94 Int_t nModulesSPD = fGeom->GetLastSPD() - fGeom->GetStartSPD() + 1;
95 fSPDNClustersVsModule = CreateHisto1("SPDNClustersVsModule",
96 "mean number of clusters per SPD module",
97 nModulesSPD, -0.5, nModulesSPD-0.5,
98 "module", "<N_{clusters}>",
99 AliMonitorHisto::kNormEvents);
100
101 Int_t nModulesSDD = fGeom->GetLastSDD() - fGeom->GetStartSDD() + 1;
102 fSDDNClustersVsModule = CreateHisto1("SDDNClustersVsModule",
103 "mean number of clusters per SDD module",
104 nModulesSDD, -0.5, nModulesSDD-0.5,
105 "module", "<N_{clusters}>",
106 AliMonitorHisto::kNormEvents);
107
108 Int_t nModulesSSD = fGeom->GetLastSSD() - fGeom->GetStartSSD() + 1;
109 fSSDNClustersVsModule = CreateHisto1("SSDNClustersVsModule",
110 "mean number of clusters per SSD module",
111 nModulesSSD, -0.5, nModulesSSD-0.5,
112 "module", "<N_{clusters}>",
113 AliMonitorHisto::kNormEvents);
114
115 Int_t nLayer = fGeom->GetNlayers();
116 fNClustersVsLayer = CreateHisto1("NClustersVsLayer",
117 "mean number of clusters per layer",
118 nLayer, 0.5, nLayer+0.5,
119 "layer", "<N_{clusters}>",
120 AliMonitorHisto::kNormEvents);
121
122 fNTracks = CreateHisto1("NTracks", "number of tracks per event",
123 300, 0, 30000, "N_{tracks}", "#Delta N/N",
124 AliMonitorHisto::kNormEvents);
125
126 fNTracksITSTPC = CreateHisto2("NTracksTPCITS",
127 "correlation of number of ITS and TPC tracks per event",
128 30, 0, 30000, 30, 0, 30000,
129 "N_{tracks}(ITS)", "N_{tracks}(TPC)",
130 "#Delta N/N", AliMonitorHisto::kNormEvents);
131
132 fTrackPt = CreateHisto1("TrackPt", "pt distribution of tracks",
133 90, 0, 3, "p_{t} [GeV/c]", "#Delta N/N",
134 AliMonitorHisto::kNormEntries);
135
136 fTrackEta = CreateHisto1("TrackEta", "eta distribution of tracks",
137 100, -2, 2, "#eta", "#Delta N/N",
138 AliMonitorHisto::kNormEntries);
139
140 fTrackPhi = CreateHisto1("TrackPhi", "phi distribution of tracks",
b6a3610d 141 120, -180, 180, "#phi [#circ]", "#Delta N/N",
04fa961a 142 AliMonitorHisto::kNormEntries);
143
144 fTrackDEdxVsP = CreateHisto2("TrackDEdxVsP", "dE/dx of tracks",
145 100, 0, 3, 100, 0, 150,
146 "p [GeV/c]", "dE/dx", "#Delta N/N",
147 AliMonitorHisto::kNormEntries);
148}
149
150
151//_____________________________________________________________________________
152void AliMonitorITS::FillHistos(AliRunLoader* runLoader,
b6a3610d 153 AliRawReader* rawReader, AliESD* esd)
04fa961a 154{
155// fill the ITS monitor histogrms
156
157 rawReader->Reset();
158 AliITSRawStreamSDD inputSDD(rawReader);
159 while (inputSDD.Next()) {
160 fSDDDigitsCharge->Fill(inputSDD.GetSignal());
161 }
162
163 rawReader->Reset();
164 AliITSRawStreamSSD inputSSD(rawReader);
165 while (inputSSD.Next()) {
166 fSSDDigitsCharge->Fill(inputSSD.GetSignal());
167 }
168
169 AliLoader* itsLoader = runLoader->GetLoader("ITSLoader");
170 if (!itsLoader) return;
171
172
173 itsLoader->LoadRecPoints();
174 TTree* clustersTree = itsLoader->TreeR();
175 if (!clustersTree) return;
176 TClonesArray* clusters = new TClonesArray("AliITSclusterV2");
177 clustersTree->SetBranchAddress("Clusters", &clusters);
178
179 for (Int_t iModule = 0; iModule < clustersTree->GetEntries(); iModule++) {
180 clustersTree->GetEntry(iModule);
181 Int_t iLayer, iLadder, iDetector;
182 fGeom->GetModuleId(iModule, iLayer, iLadder, iDetector);
183
184 for (Int_t j = 0; j < clusters->GetEntriesFast(); j++) {
185 AliITSclusterV2* cluster = (AliITSclusterV2*) clusters->At(j);
186 switch (iLayer) {
187 case 1: case 2: {
188 fSPDNClustersVsModule->Fill(iModule - fGeom->GetStartSPD());
189 break;
190 }
191 case 3: case 4: {
192 fSDDClustersCharge->Fill(cluster->GetQ());
193 fSDDNClustersVsModule->Fill(iModule - fGeom->GetStartSDD());
194 break;
195 }
196 case 5: case 6: {
197 fSSDClustersCharge->Fill(cluster->GetQ());
198 fSSDNClustersVsModule->Fill(iModule - fGeom->GetStartSSD());
199 break;
200 }
201 }
202 fNClustersVsLayer->Fill(iLayer);
203 }
204 }
205
206 delete clusters;
207 itsLoader->UnloadRecPoints();
208
209
b6a3610d 210 Int_t nTracks = 0;
211 Int_t nTPCTracks = 0;
212 for (Int_t i = 0; i < esd->GetNumberOfTracks(); i++) {
213 AliESDtrack* track = esd->GetTrack(i);
214 if (!track) continue;
215 if ((track->GetStatus() | AliESDtrack::kTPCin) != 0) nTPCTracks++;
216 if ((track->GetStatus() | AliESDtrack::kITSin) == 0) continue;
217 nTracks++;
218
219 Double_t pxyz[3];
220 track->GetPxPyPz(pxyz);
221 TVector3 pTrack(pxyz);
222 fTrackPt->Fill(pTrack.Pt());
223 fTrackEta->Fill(pTrack.Eta());
224 fTrackPhi->Fill(pTrack.Phi() * TMath::RadToDeg());
225 fTrackDEdxVsP->Fill(pTrack.Mag(), track->GetITSsignal());
04fa961a 226 }
b6a3610d 227 fNTracks->Fill(nTracks);
228 fNTracksITSTPC->Fill(nTracks, nTPCTracks);
04fa961a 229}