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c6ba6205 | 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 | ||
17 | /////////////////////////////////////////////////////////////////////////////// | |
18 | // // | |
19 | // This class creates and fills monitor histograms for HLT Hough transform // | |
20 | // // | |
21 | /////////////////////////////////////////////////////////////////////////////// | |
22 | ||
23 | ||
24 | #include "AliMonitorHLTHough.h" | |
25 | #include "AliMonitorHisto.h" | |
26 | #include "AliMonitorTrend.h" | |
27 | #include "AliTPCParam.h" | |
7ba8900c | 28 | #include "AliLog.h" |
c6ba6205 | 29 | #include <TFolder.h> |
c6ba6205 | 30 | #include <stdlib.h> |
4aa41877 | 31 | #include <AliHLTMemHandler.h> |
32 | #include <AliHLTTrackArray.h> | |
33 | #include <AliHLTSpacePointData.h> | |
34 | #include <AliHLTHoughTrack.h> | |
35 | #include <AliHLTTransform.h> | |
c6ba6205 | 36 | |
37 | //_____________________________________________________________________________ | |
17c3cc9e | 38 | AliMonitorHLTHough::AliMonitorHLTHough(AliTPCParam* param): |
39 | AliMonitor(), | |
40 | fParam(param), | |
41 | fClustersCharge(NULL), | |
42 | fNClustersVsRow(NULL), | |
43 | fNClustersVsSector(NULL), | |
44 | fNTracks(NULL), | |
45 | fTrackPt(NULL), | |
46 | fTrackEta(NULL), | |
47 | fTrackPhi(NULL), | |
48 | fTrackNHits(NULL), | |
49 | fTrackDEdxVsP(NULL), | |
50 | fTrackDEdx(NULL), | |
51 | fTrackEtaVsPhi(NULL), | |
52 | fPtEtaVsPhi(NULL) | |
c6ba6205 | 53 | { |
54 | // create a HLT monitor object with the given parameters | |
55 | ||
c6ba6205 | 56 | } |
57 | ||
c6ba6205 | 58 | //_____________________________________________________________________________ |
59 | void AliMonitorHLTHough::CreateHistos(TFolder* folder) | |
60 | { | |
61 | // create the HLT Hough transform monitor histograms | |
62 | ||
63 | fFolder = folder->AddFolder("HLTHOUGH", "HLTHOUGH"); | |
64 | ||
4a69f9c7 | 65 | fClustersCharge = CreateHisto1("ClustersCharge", |
66 | "charge distribution of clusters", | |
67 | 100, 0, 1000, "charge", "#Delta N/N", | |
68 | AliMonitorHisto::kNormEvents); | |
69 | ||
70 | Int_t nRows = fParam->GetNRowLow() + fParam->GetNRowUp(); | |
71 | fNClustersVsRow = CreateHisto1("NClustersVsRow", | |
72 | "mean number of clusters per pad row", | |
73 | nRows, -0.5, nRows-0.5, | |
74 | "pad row", "<N_{clusters}>", | |
75 | AliMonitorHisto::kNormEvents); | |
76 | ||
77 | Int_t nSector = fParam->GetNInnerSector(); | |
78 | fNClustersVsSector = CreateHisto1("NClustersVsSector", | |
79 | "mean number of clusters per sector", | |
80 | nSector, -0.5, nSector-0.5, | |
81 | "sector", "<N_{clusters}>", | |
82 | AliMonitorHisto::kNormEvents); | |
83 | ||
c6ba6205 | 84 | fNTracks = CreateTrend("NTracks", "number of tracks per event", |
85 | "N_{tracks}"); | |
86 | ||
87 | fTrackPt = CreateHisto1("TrackPt", "pt distribution of tracks", | |
88 | 90, 0, 3, "p_{t} [GeV/c]", "#Delta N/N", | |
89 | AliMonitorHisto::kNormNone); | |
90 | ||
91 | fTrackEta = CreateHisto1("TrackEta", "eta distribution of tracks", | |
92 | 100, -2, 2, "#eta", "#Delta N/N", | |
93 | AliMonitorHisto::kNormEntries); | |
94 | ||
95 | fTrackPhi = CreateHisto1("TrackPhi", "phi distribution of tracks", | |
96 | 120, 0, 360, "#phi [#circ]", "#Delta N/N", | |
97 | AliMonitorHisto::kNormEntries); | |
98 | ||
4a69f9c7 | 99 | fTrackNHits = CreateHisto1("TrackNHits", "Number of hits per track", |
100 | 200, 0, 200, "N_{hits}", "#Delta N/N", | |
101 | AliMonitorHisto::kNormNone); | |
102 | ||
103 | fTrackDEdxVsP = CreateHisto2("TrackDEdxVsP", "dE/dx of tracks", | |
104 | 100, 0, 3, 100, 0, 1000, | |
105 | "p [GeV/c]", "dE/dx", "#Delta N/N", | |
106 | AliMonitorHisto::kNormEntries); | |
107 | ||
108 | fTrackDEdx = CreateHisto1("TrackDEdx", "dE/dx for tracks with 0.4<p<1.0 GeV/c", | |
109 | 50, 0, 300, | |
110 | "dE/dx", "#Delta N/N", | |
111 | AliMonitorHisto::kNormEntries); | |
112 | ||
c6ba6205 | 113 | fTrackEtaVsPhi = CreateHisto2("TrackEtaVsPhi", "#phi vs #eta", |
114 | 20, -1, 1, 25, 0, 360, | |
115 | "#eta", "#phi", "#Delta N/N", | |
116 | AliMonitorHisto::kNormNone); | |
117 | ||
118 | fPtEtaVsPhi = CreateHisto2("PtEtaVsPhi", "#phi vs #eta", | |
119 | 20, -1, 1, 25, 0, 360, | |
120 | "#eta", "#phi", "#Delta N/N", | |
121 | AliMonitorHisto::kNormNone); | |
122 | ||
123 | } | |
124 | ||
125 | ||
126 | //_____________________________________________________________________________ | |
127 | void AliMonitorHLTHough::FillHistos(AliRunLoader* /*runLoader*/, | |
b6a3610d | 128 | AliRawReader* /*rawReader*/, |
af885e0f | 129 | AliESDEvent* /*esd*/) |
c6ba6205 | 130 | { |
131 | // fill the HLT Hough transform monitor histograms | |
132 | ||
4aa41877 | 133 | AliHLTMemHandler clusterHandler[36][6]; |
134 | AliHLTSpacePointData *clusters[36][6]; | |
c6ba6205 | 135 | for (Int_t iSector = 0; iSector < fParam->GetNInnerSector(); iSector++) { |
4a69f9c7 | 136 | for (Int_t iPatch = 0; iPatch < 6; iPatch++) { |
137 | char fileName[256]; | |
138 | sprintf(fileName, "hlt/fitter/points_%d_%d.raw", iSector,iPatch); | |
139 | if (!clusterHandler[iSector][iPatch].SetBinaryInput(fileName)) { | |
7ba8900c | 140 | AliWarning(Form("could not open file %s", fileName)); |
4a69f9c7 | 141 | continue; |
c6ba6205 | 142 | } |
4aa41877 | 143 | clusters[iSector][iPatch] = (AliHLTSpacePointData*) clusterHandler[iSector][iPatch].Allocate(); |
4a69f9c7 | 144 | UInt_t nClusters = 0; |
145 | clusterHandler[iSector][iPatch].Binary2Memory(nClusters, clusters[iSector][iPatch]); | |
146 | ||
147 | for (UInt_t iCluster = 0; iCluster < nClusters; iCluster++) { | |
4aa41877 | 148 | AliHLTSpacePointData& cluster = clusters[iSector][iPatch][iCluster]; |
4a69f9c7 | 149 | fClustersCharge->Fill(cluster.fCharge); |
150 | fNClustersVsRow->Fill(cluster.fPadRow); | |
151 | fNClustersVsSector->Fill(iSector); | |
152 | } | |
153 | ||
154 | clusterHandler[iSector][iPatch].CloseBinaryInput(); | |
155 | } | |
156 | } | |
157 | ||
158 | fNClustersVsSector->ScaleErrorBy(10.); | |
159 | ||
160 | ||
4aa41877 | 161 | AliHLTMemHandler memHandler; |
4a69f9c7 | 162 | Int_t nHoughTracks = 0; |
163 | ||
164 | char fileName[256]; | |
165 | sprintf(fileName, "hlt/fitter/tracks.raw"); | |
166 | if (!memHandler.SetBinaryInput(fileName)) { | |
7ba8900c | 167 | AliWarning("could not open file hlt/fitter/tracks.raw"); |
4a69f9c7 | 168 | return; |
169 | } | |
4aa41877 | 170 | AliHLTTrackArray* tracks = new AliHLTTrackArray; |
4a69f9c7 | 171 | memHandler.Binary2TrackArray(tracks); |
172 | ||
173 | nHoughTracks += tracks->GetNTracks(); | |
174 | for (Int_t iTrack = 0; iTrack < tracks->GetNTracks(); iTrack++) { | |
4aa41877 | 175 | AliHLTHoughTrack *track = (AliHLTHoughTrack*)tracks->GetCheckedTrack(iTrack); |
4a69f9c7 | 176 | if(!track) continue; |
177 | ||
178 | track->CalculateHelix(); | |
179 | // track->Rotate(iSector); | |
180 | ||
181 | fTrackPt->Fill(track->GetPt()); | |
182 | fTrackEta->Fill(track->GetPseudoRapidity()); | |
183 | fTrackPhi->Fill(track->GetPsi() * TMath::RadToDeg()); | |
184 | if(track->GetPt()>3.) { | |
185 | fTrackEtaVsPhi->Fill(track->GetPseudoRapidity(),track->GetPsi() * TMath::RadToDeg()); | |
186 | fPtEtaVsPhi->Fill(track->GetPseudoRapidity(),track->GetPsi() * TMath::RadToDeg(),track->GetPt()); | |
187 | } | |
188 | fTrackNHits->Fill(track->GetNHits()); | |
189 | ||
190 | // Track dEdx | |
191 | Int_t nc=track->GetNHits(); | |
192 | UInt_t *hits = track->GetHitNumbers(); | |
193 | Float_t sampleDEdx[159]; | |
194 | for (Int_t iHit = 0; iHit < nc; iHit++) { | |
195 | UInt_t hitID = hits[iHit]; | |
196 | Int_t iSector = (hitID>>25) & 0x7f; | |
197 | Int_t iPatch = (hitID>>22) & 0x7; | |
198 | UInt_t position = hitID&0x3fffff; | |
199 | UChar_t padrow = clusters[iSector][iPatch][position].fPadRow; | |
4aa41877 | 200 | Float_t pWidth = AliHLTTransform::GetPadPitchWidthLow(); |
4a69f9c7 | 201 | if (padrow>63) |
4aa41877 | 202 | pWidth = AliHLTTransform::GetPadPitchWidthUp(); |
4a69f9c7 | 203 | Float_t corr=1.; if (padrow>63) corr=0.67; |
204 | sampleDEdx[iHit] = clusters[iSector][iPatch][position].fCharge/pWidth*corr; | |
205 | Double_t crossingangle = track->GetCrossingAngle(padrow,iSector); | |
206 | Double_t s = sin(crossingangle); | |
207 | Double_t t = track->GetTgl(); | |
208 | sampleDEdx[iHit] *= TMath::Sqrt((1-s*s)/(1+t*t)); | |
c6ba6205 | 209 | } |
c6ba6205 | 210 | |
4a69f9c7 | 211 | /* Cook dEdx */ |
212 | Int_t i; | |
213 | Int_t swap;//stupid sorting | |
214 | do { | |
215 | swap=0; | |
216 | for (i=0; i<nc-1; i++) { | |
217 | if (sampleDEdx[i]<=sampleDEdx[i+1]) continue; | |
218 | Float_t tmp=sampleDEdx[i]; | |
219 | sampleDEdx[i]=sampleDEdx[i+1]; sampleDEdx[i+1]=tmp; | |
220 | swap++; | |
221 | } | |
222 | } while (swap); | |
223 | ||
224 | Double_t low=0.05; Double_t up=0.7; | |
225 | Int_t nl=Int_t(low*nc), nu=Int_t(up*nc); | |
226 | Float_t trackDEdx=0; | |
227 | for (i=nl; i<=nu; i++) trackDEdx += sampleDEdx[i]; | |
228 | trackDEdx /= (nu-nl+1); | |
229 | ||
230 | fTrackDEdxVsP->Fill(track->GetP(),trackDEdx); | |
231 | if(track->GetP()>0.4 && track->GetP()<1.0) | |
232 | fTrackDEdx->Fill(trackDEdx); | |
c6ba6205 | 233 | } |
4a69f9c7 | 234 | fNTracks->Fill(nHoughTracks); |
235 | ||
236 | delete tracks; | |
237 | memHandler.CloseBinaryInput(); | |
c6ba6205 | 238 | } |