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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 HLT // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | ||
25 | #include "AliMonitorHLT.h" | |
26 | #include "AliMonitorTrend.h" | |
27 | #include "AliTPCParam.h" | |
28 | #include "AliLog.h" | |
29 | #include <TFolder.h> | |
30 | #include <stdlib.h> | |
31 | #include "AliHLTMemHandler.h" | |
32 | #include "AliHLTSpacePointData.h" | |
33 | #include "AliHLTTrackArray.h" | |
34 | #include "AliHLTTrack.h" | |
35 | #include "AliHLTTransform.h" | |
36 | #include "AliHLTVertex.h" | |
37 | ||
38 | //_____________________________________________________________________________ | |
39 | AliMonitorHLT::AliMonitorHLT(AliTPCParam* param): | |
40 | AliMonitor(), | |
41 | fParam(param), | |
42 | fClustersCharge(NULL), | |
43 | fNClustersVsRow(NULL), | |
44 | fNClustersVsSector(NULL), | |
45 | fNTracks(NULL), | |
46 | fTrackPt(NULL), | |
47 | fTrackEta(NULL), | |
48 | fTrackPhi(NULL), | |
49 | fTrackNHits(NULL), | |
50 | fTrackDEdxVsP(NULL), | |
51 | fTrackDEdx(NULL), | |
52 | fTrackDz0(NULL), | |
53 | fTrackDr0(NULL), | |
54 | fTrackEtaVsPhi(NULL), | |
55 | fPtEtaVsPhi(NULL), | |
56 | fTrackZvsNHits(NULL), | |
57 | fTrackXYvsNHits(NULL) | |
58 | { | |
59 | // create a HLT monitor object with the given parameters | |
60 | ||
61 | } | |
62 | ||
63 | //_____________________________________________________________________________ | |
64 | void AliMonitorHLT::CreateHistos(TFolder* folder) | |
65 | { | |
66 | // create the HLT monitor histograms | |
67 | ||
68 | fFolder = folder->AddFolder("HLT", "HLT"); | |
69 | ||
70 | fClustersCharge = CreateHisto1("ClustersCharge", | |
71 | "charge distribution of clusters", | |
72 | 100, 0, 1000, "charge", "#Delta N/N", | |
73 | AliMonitorHisto::kNormEvents); | |
74 | ||
75 | Int_t nRows = fParam->GetNRowLow() + fParam->GetNRowUp(); | |
76 | fNClustersVsRow = CreateHisto1("NClustersVsRow", | |
77 | "mean number of clusters per pad row", | |
78 | nRows, -0.5, nRows-0.5, | |
79 | "pad row", "<N_{clusters}>", | |
80 | AliMonitorHisto::kNormEvents); | |
81 | ||
82 | Int_t nSector = fParam->GetNInnerSector(); | |
83 | fNClustersVsSector = CreateHisto1("NClustersVsSector", | |
84 | "mean number of clusters per sector", | |
85 | nSector, -0.5, nSector-0.5, | |
86 | "sector", "<N_{clusters}>", | |
87 | AliMonitorHisto::kNormEvents); | |
88 | ||
89 | fNTracks = CreateTrend("NTracks", "number of tracks per event", | |
90 | "N_{tracks}"); | |
91 | ||
92 | fTrackPt = CreateHisto1("TrackPt", "pt distribution of tracks", | |
93 | 90, 0, 3, "p_{t} [GeV/c]", "#Delta N/N", | |
94 | AliMonitorHisto::kNormNone); | |
95 | ||
96 | fTrackEta = CreateHisto1("TrackEta", "eta distribution of tracks", | |
97 | 100, -2, 2, "#eta", "#Delta N/N", | |
98 | AliMonitorHisto::kNormEntries); | |
99 | ||
100 | fTrackPhi = CreateHisto1("TrackPhi", "phi distribution of tracks", | |
101 | 120, 0, 360, "#phi [#circ]", "#Delta N/N", | |
102 | AliMonitorHisto::kNormEntries); | |
103 | ||
104 | fTrackNHits = CreateHisto1("TrackNHits", "Number of hits per track", | |
105 | 200, 0, 200, "N_{hits}", "#Delta N/N", | |
106 | AliMonitorHisto::kNormNone); | |
107 | ||
108 | fTrackXYvsNHits = CreateHisto2("TrackXYvsNHits", "XY vs Number of hits per track", | |
109 | 50, 0, 200,50,0,10, | |
110 | "N_{hits}","Radius [cm]","#Delta N/N", | |
111 | AliMonitorHisto::kNormNone); | |
112 | ||
113 | fTrackZvsNHits = CreateHisto2("TrackZvsNHits", "Z vs Number of hits per track", | |
114 | 50, 0, 200,50,-20,20, | |
115 | "N_{hits}","Z [cm]","#Delta N/N", | |
116 | AliMonitorHisto::kNormNone); | |
117 | ||
118 | fTrackDEdxVsP = CreateHisto2("TrackDEdxVsP", "dE/dx of tracks", | |
119 | 100, 0, 3, 100, 0, 1000, | |
120 | "p [GeV/c]", "dE/dx", "#Delta N/N", | |
121 | AliMonitorHisto::kNormEntries); | |
122 | ||
123 | fTrackDEdx = CreateHisto1("TrackDEdx", "dE/dx for tracks with 0.4<p<1.0 GeV/c", | |
124 | 50, 0, 300, | |
125 | "dE/dx", "#Delta N/N", | |
126 | AliMonitorHisto::kNormEntries); | |
127 | ||
128 | fTrackDz0 = CreateHisto1("TrackDz0", "Dz0 of tracks", | |
129 | 100, -100, 100, "#Delta z0 [cm]", "#Delta N/N", | |
130 | AliMonitorHisto::kNormEntries); | |
131 | ||
132 | fTrackDr0 = CreateHisto1("TrackDr0", "Dr0 of tracks", | |
133 | 130, 80, 250, "#Delta r0 [cm]", "#Delta N/N", | |
134 | AliMonitorHisto::kNormEntries); | |
135 | ||
136 | fTrackEtaVsPhi = CreateHisto2("TrackEtaVsPhi", "#phi vs #eta", | |
137 | 20, -1, 1, 25, 0, 360, | |
138 | "#eta", "#phi", "#Delta N/N", | |
139 | AliMonitorHisto::kNormNone); | |
140 | ||
141 | fPtEtaVsPhi = CreateHisto2("PtEtaVsPhi", "#phi vs #eta", | |
142 | 20, -1, 1, 25, 0, 360, | |
143 | "#eta", "#phi", "#Delta N/N", | |
144 | AliMonitorHisto::kNormNone); | |
145 | ||
146 | } | |
147 | ||
148 | ||
149 | //_____________________________________________________________________________ | |
150 | void AliMonitorHLT::FillHistos(AliRunLoader* /*runLoader*/, | |
151 | AliRawReader* /*rawReader*/, AliESDEvent* /*esd*/) | |
152 | { | |
153 | // fill the HLT monitor histogrms | |
154 | ||
155 | AliHLTMemHandler clusterHandler[36]; | |
156 | AliHLTSpacePointData *clusters[36]; | |
157 | for (Int_t iSector = 0; iSector < fParam->GetNInnerSector(); iSector++) { | |
158 | char fileName[256]; | |
159 | sprintf(fileName, "hlt/points_%d_-1.raw", iSector); | |
160 | if (!clusterHandler[iSector].SetBinaryInput(fileName)) { | |
161 | AliWarning(Form("could not open file %s", fileName)); | |
162 | continue; | |
163 | } | |
164 | clusters[iSector] = (AliHLTSpacePointData*) clusterHandler[iSector].Allocate(); | |
165 | UInt_t nClusters = 0; | |
166 | clusterHandler[iSector].Binary2Memory(nClusters, clusters[iSector]); | |
167 | ||
168 | for (UInt_t iCluster = 0; iCluster < nClusters; iCluster++) { | |
169 | AliHLTSpacePointData& cluster = clusters[iSector][iCluster]; | |
170 | fClustersCharge->Fill(cluster.fCharge); | |
171 | fNClustersVsRow->Fill(cluster.fPadRow); | |
172 | fNClustersVsSector->Fill(iSector); | |
173 | } | |
174 | ||
175 | clusterHandler[iSector].CloseBinaryInput(); | |
176 | } | |
177 | ||
178 | fNClustersVsSector->ScaleErrorBy(10.); | |
179 | ||
180 | AliHLTMemHandler memHandler; | |
181 | if (!memHandler.SetBinaryInput("hlt/tracks.raw")) { | |
182 | AliWarning("could not open file hlt/tracks.raw"); | |
183 | return; | |
184 | } | |
185 | AliHLTTrackArray* tracks = new AliHLTTrackArray; | |
186 | memHandler.Binary2TrackArray(tracks); | |
187 | Double_t xc,yc,zc; | |
188 | AliHLTVertex vertex; | |
189 | ||
190 | fNTracks->Fill(tracks->GetNTracks()); | |
191 | for (Int_t iTrack = 0; iTrack < tracks->GetNTracks(); iTrack++) { | |
192 | AliHLTTrack* track = tracks->GetCheckedTrack(iTrack); | |
193 | if(!track) continue; | |
194 | track->CalculateHelix(); | |
195 | track->GetClosestPoint(&vertex,xc,yc,zc); | |
196 | if(TMath::Abs(zc)>10.) continue; | |
197 | fTrackPt->Fill(track->GetPt()); | |
198 | fTrackEta->Fill(track->GetPseudoRapidity()); | |
199 | fTrackPhi->Fill(track->GetPsi() * TMath::RadToDeg()); | |
200 | if(track->GetPt()>3.) { | |
201 | fTrackEtaVsPhi->Fill(track->GetPseudoRapidity(),track->GetPsi() * TMath::RadToDeg()); | |
202 | fPtEtaVsPhi->Fill(track->GetPseudoRapidity(),track->GetPsi() * TMath::RadToDeg(),track->GetPt()); | |
203 | } | |
204 | fTrackDz0->Fill(track->GetZ0()); | |
205 | fTrackDr0->Fill(track->GetR0()); | |
206 | fTrackNHits->Fill(track->GetNHits()); | |
207 | fTrackXYvsNHits->Fill(track->GetNHits(),TMath::Sqrt(xc*xc+yc*yc)); | |
208 | fTrackZvsNHits->Fill(track->GetNHits(),zc); | |
209 | ||
210 | // Track dEdx | |
211 | Int_t nc=track->GetNHits(); | |
212 | UInt_t *hits = track->GetHitNumbers(); | |
213 | Float_t sampleDEdx[159]; | |
214 | for (Int_t iHit = 0; iHit < nc; iHit++) { | |
215 | UInt_t hitID = hits[iHit]; | |
216 | Int_t iSector = (hitID>>25) & 0x7f; | |
217 | UInt_t position = hitID&0x3fffff; | |
218 | UChar_t padrow = clusters[iSector][position].fPadRow; | |
219 | Float_t pWidth = AliHLTTransform::GetPadPitchWidthLow(); | |
220 | if (padrow>63) | |
221 | pWidth = AliHLTTransform::GetPadPitchWidthUp(); | |
222 | Float_t corr=1.; if (padrow>63) corr=0.67; | |
223 | sampleDEdx[iHit] = clusters[iSector][position].fCharge/pWidth*corr; | |
224 | Double_t crossingangle = track->GetCrossingAngle(padrow,iSector); | |
225 | Double_t s = sin(crossingangle); | |
226 | Double_t t = track->GetTgl(); | |
227 | sampleDEdx[iHit] *= TMath::Sqrt((1-s*s)/(1+t*t)); | |
228 | } | |
229 | ||
230 | /* Cook dEdx */ | |
231 | Int_t i; | |
232 | Int_t swap;//stupid sorting | |
233 | do { | |
234 | swap=0; | |
235 | for (i=0; i<nc-1; i++) { | |
236 | if (sampleDEdx[i]<=sampleDEdx[i+1]) continue; | |
237 | Float_t tmp=sampleDEdx[i]; | |
238 | sampleDEdx[i]=sampleDEdx[i+1]; sampleDEdx[i+1]=tmp; | |
239 | swap++; | |
240 | } | |
241 | } while (swap); | |
242 | ||
243 | Double_t low=0.05; Double_t up=0.7; | |
244 | Int_t nl=Int_t(low*nc), nu=Int_t(up*nc); | |
245 | Float_t trackDEdx=0; | |
246 | for (i=nl; i<=nu; i++) trackDEdx += sampleDEdx[i]; | |
247 | trackDEdx /= (nu-nl+1); | |
248 | ||
249 | fTrackDEdxVsP->Fill(track->GetP(),trackDEdx); | |
250 | if(track->GetP()>0.4 && track->GetP()<1.0) | |
251 | fTrackDEdx->Fill(trackDEdx); | |
252 | } | |
253 | ||
254 | delete tracks; | |
255 | memHandler.CloseBinaryInput(); | |
256 | } |