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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> |
31 | #include <AliL3MemHandler.h> | |
32 | #include <AliL3TrackArray.h> | |
4a69f9c7 | 33 | #include <AliL3SpacePointData.h> |
c6ba6205 | 34 | #include <AliL3HoughTrack.h> |
4a69f9c7 | 35 | #include <AliL3Transform.h> |
c6ba6205 | 36 | |
37 | //_____________________________________________________________________________ | |
38 | AliMonitorHLTHough::AliMonitorHLTHough(AliTPCParam* param) | |
39 | { | |
40 | // create a HLT monitor object with the given parameters | |
41 | ||
42 | fParam = param; | |
43 | } | |
44 | ||
45 | //_____________________________________________________________________________ | |
46 | AliMonitorHLTHough::AliMonitorHLTHough(const AliMonitorHLTHough& monitor) : | |
47 | AliMonitor(monitor) | |
48 | { | |
7ba8900c | 49 | AliFatal("copy constructor not implemented"); |
c6ba6205 | 50 | } |
51 | ||
52 | //_____________________________________________________________________________ | |
53 | AliMonitorHLTHough& AliMonitorHLTHough::operator = (const AliMonitorHLTHough& | |
54 | /*monitor*/) | |
55 | { | |
7ba8900c | 56 | AliFatal("assignment operator not implemented"); |
c6ba6205 | 57 | return *this; |
58 | } | |
59 | ||
c6ba6205 | 60 | |
61 | //_____________________________________________________________________________ | |
62 | void AliMonitorHLTHough::CreateHistos(TFolder* folder) | |
63 | { | |
64 | // create the HLT Hough transform monitor histograms | |
65 | ||
66 | fFolder = folder->AddFolder("HLTHOUGH", "HLTHOUGH"); | |
67 | ||
4a69f9c7 | 68 | fClustersCharge = CreateHisto1("ClustersCharge", |
69 | "charge distribution of clusters", | |
70 | 100, 0, 1000, "charge", "#Delta N/N", | |
71 | AliMonitorHisto::kNormEvents); | |
72 | ||
73 | Int_t nRows = fParam->GetNRowLow() + fParam->GetNRowUp(); | |
74 | fNClustersVsRow = CreateHisto1("NClustersVsRow", | |
75 | "mean number of clusters per pad row", | |
76 | nRows, -0.5, nRows-0.5, | |
77 | "pad row", "<N_{clusters}>", | |
78 | AliMonitorHisto::kNormEvents); | |
79 | ||
80 | Int_t nSector = fParam->GetNInnerSector(); | |
81 | fNClustersVsSector = CreateHisto1("NClustersVsSector", | |
82 | "mean number of clusters per sector", | |
83 | nSector, -0.5, nSector-0.5, | |
84 | "sector", "<N_{clusters}>", | |
85 | AliMonitorHisto::kNormEvents); | |
86 | ||
c6ba6205 | 87 | fNTracks = CreateTrend("NTracks", "number of tracks per event", |
88 | "N_{tracks}"); | |
89 | ||
90 | fTrackPt = CreateHisto1("TrackPt", "pt distribution of tracks", | |
91 | 90, 0, 3, "p_{t} [GeV/c]", "#Delta N/N", | |
92 | AliMonitorHisto::kNormNone); | |
93 | ||
94 | fTrackEta = CreateHisto1("TrackEta", "eta distribution of tracks", | |
95 | 100, -2, 2, "#eta", "#Delta N/N", | |
96 | AliMonitorHisto::kNormEntries); | |
97 | ||
98 | fTrackPhi = CreateHisto1("TrackPhi", "phi distribution of tracks", | |
99 | 120, 0, 360, "#phi [#circ]", "#Delta N/N", | |
100 | AliMonitorHisto::kNormEntries); | |
101 | ||
4a69f9c7 | 102 | fTrackNHits = CreateHisto1("TrackNHits", "Number of hits per track", |
103 | 200, 0, 200, "N_{hits}", "#Delta N/N", | |
104 | AliMonitorHisto::kNormNone); | |
105 | ||
106 | fTrackDEdxVsP = CreateHisto2("TrackDEdxVsP", "dE/dx of tracks", | |
107 | 100, 0, 3, 100, 0, 1000, | |
108 | "p [GeV/c]", "dE/dx", "#Delta N/N", | |
109 | AliMonitorHisto::kNormEntries); | |
110 | ||
111 | fTrackDEdx = CreateHisto1("TrackDEdx", "dE/dx for tracks with 0.4<p<1.0 GeV/c", | |
112 | 50, 0, 300, | |
113 | "dE/dx", "#Delta N/N", | |
114 | AliMonitorHisto::kNormEntries); | |
115 | ||
c6ba6205 | 116 | fTrackEtaVsPhi = CreateHisto2("TrackEtaVsPhi", "#phi vs #eta", |
117 | 20, -1, 1, 25, 0, 360, | |
118 | "#eta", "#phi", "#Delta N/N", | |
119 | AliMonitorHisto::kNormNone); | |
120 | ||
121 | fPtEtaVsPhi = CreateHisto2("PtEtaVsPhi", "#phi vs #eta", | |
122 | 20, -1, 1, 25, 0, 360, | |
123 | "#eta", "#phi", "#Delta N/N", | |
124 | AliMonitorHisto::kNormNone); | |
125 | ||
126 | } | |
127 | ||
128 | ||
129 | //_____________________________________________________________________________ | |
130 | void AliMonitorHLTHough::FillHistos(AliRunLoader* /*runLoader*/, | |
b6a3610d | 131 | AliRawReader* /*rawReader*/, |
132 | AliESD* /*esd*/) | |
c6ba6205 | 133 | { |
134 | // fill the HLT Hough transform monitor histograms | |
135 | ||
4a69f9c7 | 136 | AliL3MemHandler clusterHandler[36][6]; |
137 | AliL3SpacePointData *clusters[36][6]; | |
c6ba6205 | 138 | for (Int_t iSector = 0; iSector < fParam->GetNInnerSector(); iSector++) { |
4a69f9c7 | 139 | for (Int_t iPatch = 0; iPatch < 6; iPatch++) { |
140 | char fileName[256]; | |
141 | sprintf(fileName, "hlt/fitter/points_%d_%d.raw", iSector,iPatch); | |
142 | if (!clusterHandler[iSector][iPatch].SetBinaryInput(fileName)) { | |
7ba8900c | 143 | AliWarning(Form("could not open file %s", fileName)); |
4a69f9c7 | 144 | continue; |
c6ba6205 | 145 | } |
4a69f9c7 | 146 | clusters[iSector][iPatch] = (AliL3SpacePointData*) clusterHandler[iSector][iPatch].Allocate(); |
147 | UInt_t nClusters = 0; | |
148 | clusterHandler[iSector][iPatch].Binary2Memory(nClusters, clusters[iSector][iPatch]); | |
149 | ||
150 | for (UInt_t iCluster = 0; iCluster < nClusters; iCluster++) { | |
151 | AliL3SpacePointData& cluster = clusters[iSector][iPatch][iCluster]; | |
152 | fClustersCharge->Fill(cluster.fCharge); | |
153 | fNClustersVsRow->Fill(cluster.fPadRow); | |
154 | fNClustersVsSector->Fill(iSector); | |
155 | } | |
156 | ||
157 | clusterHandler[iSector][iPatch].CloseBinaryInput(); | |
158 | } | |
159 | } | |
160 | ||
161 | fNClustersVsSector->ScaleErrorBy(10.); | |
162 | ||
163 | ||
164 | AliL3MemHandler memHandler; | |
165 | Int_t nHoughTracks = 0; | |
166 | ||
167 | char fileName[256]; | |
168 | sprintf(fileName, "hlt/fitter/tracks.raw"); | |
169 | if (!memHandler.SetBinaryInput(fileName)) { | |
7ba8900c | 170 | AliWarning("could not open file hlt/fitter/tracks.raw"); |
4a69f9c7 | 171 | return; |
172 | } | |
173 | AliL3TrackArray* tracks = new AliL3TrackArray; | |
174 | memHandler.Binary2TrackArray(tracks); | |
175 | ||
176 | nHoughTracks += tracks->GetNTracks(); | |
177 | for (Int_t iTrack = 0; iTrack < tracks->GetNTracks(); iTrack++) { | |
178 | AliL3HoughTrack *track = (AliL3HoughTrack*)tracks->GetCheckedTrack(iTrack); | |
179 | if(!track) continue; | |
180 | ||
181 | track->CalculateHelix(); | |
182 | // track->Rotate(iSector); | |
183 | ||
184 | fTrackPt->Fill(track->GetPt()); | |
185 | fTrackEta->Fill(track->GetPseudoRapidity()); | |
186 | fTrackPhi->Fill(track->GetPsi() * TMath::RadToDeg()); | |
187 | if(track->GetPt()>3.) { | |
188 | fTrackEtaVsPhi->Fill(track->GetPseudoRapidity(),track->GetPsi() * TMath::RadToDeg()); | |
189 | fPtEtaVsPhi->Fill(track->GetPseudoRapidity(),track->GetPsi() * TMath::RadToDeg(),track->GetPt()); | |
190 | } | |
191 | fTrackNHits->Fill(track->GetNHits()); | |
192 | ||
193 | // Track dEdx | |
194 | Int_t nc=track->GetNHits(); | |
195 | UInt_t *hits = track->GetHitNumbers(); | |
196 | Float_t sampleDEdx[159]; | |
197 | for (Int_t iHit = 0; iHit < nc; iHit++) { | |
198 | UInt_t hitID = hits[iHit]; | |
199 | Int_t iSector = (hitID>>25) & 0x7f; | |
200 | Int_t iPatch = (hitID>>22) & 0x7; | |
201 | UInt_t position = hitID&0x3fffff; | |
202 | UChar_t padrow = clusters[iSector][iPatch][position].fPadRow; | |
203 | Float_t pWidth = AliL3Transform::GetPadPitchWidthLow(); | |
204 | if (padrow>63) | |
205 | pWidth = AliL3Transform::GetPadPitchWidthUp(); | |
206 | Float_t corr=1.; if (padrow>63) corr=0.67; | |
207 | sampleDEdx[iHit] = clusters[iSector][iPatch][position].fCharge/pWidth*corr; | |
208 | Double_t crossingangle = track->GetCrossingAngle(padrow,iSector); | |
209 | Double_t s = sin(crossingangle); | |
210 | Double_t t = track->GetTgl(); | |
211 | sampleDEdx[iHit] *= TMath::Sqrt((1-s*s)/(1+t*t)); | |
c6ba6205 | 212 | } |
c6ba6205 | 213 | |
4a69f9c7 | 214 | /* Cook dEdx */ |
215 | Int_t i; | |
216 | Int_t swap;//stupid sorting | |
217 | do { | |
218 | swap=0; | |
219 | for (i=0; i<nc-1; i++) { | |
220 | if (sampleDEdx[i]<=sampleDEdx[i+1]) continue; | |
221 | Float_t tmp=sampleDEdx[i]; | |
222 | sampleDEdx[i]=sampleDEdx[i+1]; sampleDEdx[i+1]=tmp; | |
223 | swap++; | |
224 | } | |
225 | } while (swap); | |
226 | ||
227 | Double_t low=0.05; Double_t up=0.7; | |
228 | Int_t nl=Int_t(low*nc), nu=Int_t(up*nc); | |
229 | Float_t trackDEdx=0; | |
230 | for (i=nl; i<=nu; i++) trackDEdx += sampleDEdx[i]; | |
231 | trackDEdx /= (nu-nl+1); | |
232 | ||
233 | fTrackDEdxVsP->Fill(track->GetP(),trackDEdx); | |
234 | if(track->GetP()>0.4 && track->GetP()<1.0) | |
235 | fTrackDEdx->Fill(trackDEdx); | |
c6ba6205 | 236 | } |
4a69f9c7 | 237 | fNTracks->Fill(nHoughTracks); |
238 | ||
239 | delete tracks; | |
240 | memHandler.CloseBinaryInput(); | |
c6ba6205 | 241 | } |