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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" | |
28 | #include <TFolder.h> | |
29 | #ifdef ALI_HLT | |
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 | #endif |
37 | ||
38 | //_____________________________________________________________________________ | |
39 | AliMonitorHLTHough::AliMonitorHLTHough(AliTPCParam* param) | |
40 | { | |
41 | // create a HLT monitor object with the given parameters | |
42 | ||
43 | fParam = param; | |
44 | } | |
45 | ||
46 | //_____________________________________________________________________________ | |
47 | AliMonitorHLTHough::AliMonitorHLTHough(const AliMonitorHLTHough& monitor) : | |
48 | AliMonitor(monitor) | |
49 | { | |
50 | Fatal("AliMonitorHLTHough", "copy constructor not implemented"); | |
51 | } | |
52 | ||
53 | //_____________________________________________________________________________ | |
54 | AliMonitorHLTHough& AliMonitorHLTHough::operator = (const AliMonitorHLTHough& | |
55 | /*monitor*/) | |
56 | { | |
57 | Fatal("operator =", "assignment operator not implemented"); | |
58 | return *this; | |
59 | } | |
60 | ||
c6ba6205 | 61 | |
62 | //_____________________________________________________________________________ | |
63 | void AliMonitorHLTHough::CreateHistos(TFolder* folder) | |
64 | { | |
65 | // create the HLT Hough transform monitor histograms | |
66 | ||
67 | fFolder = folder->AddFolder("HLTHOUGH", "HLTHOUGH"); | |
68 | ||
4a69f9c7 | 69 | fClustersCharge = CreateHisto1("ClustersCharge", |
70 | "charge distribution of clusters", | |
71 | 100, 0, 1000, "charge", "#Delta N/N", | |
72 | AliMonitorHisto::kNormEvents); | |
73 | ||
74 | Int_t nRows = fParam->GetNRowLow() + fParam->GetNRowUp(); | |
75 | fNClustersVsRow = CreateHisto1("NClustersVsRow", | |
76 | "mean number of clusters per pad row", | |
77 | nRows, -0.5, nRows-0.5, | |
78 | "pad row", "<N_{clusters}>", | |
79 | AliMonitorHisto::kNormEvents); | |
80 | ||
81 | Int_t nSector = fParam->GetNInnerSector(); | |
82 | fNClustersVsSector = CreateHisto1("NClustersVsSector", | |
83 | "mean number of clusters per sector", | |
84 | nSector, -0.5, nSector-0.5, | |
85 | "sector", "<N_{clusters}>", | |
86 | AliMonitorHisto::kNormEvents); | |
87 | ||
c6ba6205 | 88 | fNTracks = CreateTrend("NTracks", "number of tracks per event", |
89 | "N_{tracks}"); | |
90 | ||
91 | fTrackPt = CreateHisto1("TrackPt", "pt distribution of tracks", | |
92 | 90, 0, 3, "p_{t} [GeV/c]", "#Delta N/N", | |
93 | AliMonitorHisto::kNormNone); | |
94 | ||
95 | fTrackEta = CreateHisto1("TrackEta", "eta distribution of tracks", | |
96 | 100, -2, 2, "#eta", "#Delta N/N", | |
97 | AliMonitorHisto::kNormEntries); | |
98 | ||
99 | fTrackPhi = CreateHisto1("TrackPhi", "phi distribution of tracks", | |
100 | 120, 0, 360, "#phi [#circ]", "#Delta N/N", | |
101 | AliMonitorHisto::kNormEntries); | |
102 | ||
4a69f9c7 | 103 | fTrackNHits = CreateHisto1("TrackNHits", "Number of hits per track", |
104 | 200, 0, 200, "N_{hits}", "#Delta N/N", | |
105 | AliMonitorHisto::kNormNone); | |
106 | ||
107 | fTrackDEdxVsP = CreateHisto2("TrackDEdxVsP", "dE/dx of tracks", | |
108 | 100, 0, 3, 100, 0, 1000, | |
109 | "p [GeV/c]", "dE/dx", "#Delta N/N", | |
110 | AliMonitorHisto::kNormEntries); | |
111 | ||
112 | fTrackDEdx = CreateHisto1("TrackDEdx", "dE/dx for tracks with 0.4<p<1.0 GeV/c", | |
113 | 50, 0, 300, | |
114 | "dE/dx", "#Delta N/N", | |
115 | AliMonitorHisto::kNormEntries); | |
116 | ||
c6ba6205 | 117 | fTrackEtaVsPhi = CreateHisto2("TrackEtaVsPhi", "#phi vs #eta", |
118 | 20, -1, 1, 25, 0, 360, | |
119 | "#eta", "#phi", "#Delta N/N", | |
120 | AliMonitorHisto::kNormNone); | |
121 | ||
122 | fPtEtaVsPhi = CreateHisto2("PtEtaVsPhi", "#phi vs #eta", | |
123 | 20, -1, 1, 25, 0, 360, | |
124 | "#eta", "#phi", "#Delta N/N", | |
125 | AliMonitorHisto::kNormNone); | |
126 | ||
127 | } | |
128 | ||
129 | ||
130 | //_____________________________________________________________________________ | |
131 | void AliMonitorHLTHough::FillHistos(AliRunLoader* /*runLoader*/, | |
132 | AliRawReader* /*rawReader*/) | |
133 | { | |
134 | // fill the HLT Hough transform monitor histograms | |
135 | ||
136 | #ifndef ALI_HLT | |
137 | Warning("FillHistos", "the code was compiled without HLT support"); | |
138 | ||
139 | #else | |
4a69f9c7 | 140 | AliL3MemHandler clusterHandler[36][6]; |
141 | AliL3SpacePointData *clusters[36][6]; | |
c6ba6205 | 142 | for (Int_t iSector = 0; iSector < fParam->GetNInnerSector(); iSector++) { |
4a69f9c7 | 143 | for (Int_t iPatch = 0; iPatch < 6; iPatch++) { |
144 | char fileName[256]; | |
145 | sprintf(fileName, "hlt/fitter/points_%d_%d.raw", iSector,iPatch); | |
146 | if (!clusterHandler[iSector][iPatch].SetBinaryInput(fileName)) { | |
147 | Warning("FillHistos", "could not open file %s", fileName); | |
148 | continue; | |
c6ba6205 | 149 | } |
4a69f9c7 | 150 | clusters[iSector][iPatch] = (AliL3SpacePointData*) clusterHandler[iSector][iPatch].Allocate(); |
151 | UInt_t nClusters = 0; | |
152 | clusterHandler[iSector][iPatch].Binary2Memory(nClusters, clusters[iSector][iPatch]); | |
153 | ||
154 | for (UInt_t iCluster = 0; iCluster < nClusters; iCluster++) { | |
155 | AliL3SpacePointData& cluster = clusters[iSector][iPatch][iCluster]; | |
156 | fClustersCharge->Fill(cluster.fCharge); | |
157 | fNClustersVsRow->Fill(cluster.fPadRow); | |
158 | fNClustersVsSector->Fill(iSector); | |
159 | } | |
160 | ||
161 | clusterHandler[iSector][iPatch].CloseBinaryInput(); | |
162 | } | |
163 | } | |
164 | ||
165 | fNClustersVsSector->ScaleErrorBy(10.); | |
166 | ||
167 | ||
168 | AliL3MemHandler memHandler; | |
169 | Int_t nHoughTracks = 0; | |
170 | ||
171 | char fileName[256]; | |
172 | sprintf(fileName, "hlt/fitter/tracks.raw"); | |
173 | if (!memHandler.SetBinaryInput(fileName)) { | |
174 | Warning("FillHistos", "could not open file hlt/fitter/tracks.raw"); | |
175 | return; | |
176 | } | |
177 | AliL3TrackArray* tracks = new AliL3TrackArray; | |
178 | memHandler.Binary2TrackArray(tracks); | |
179 | ||
180 | nHoughTracks += tracks->GetNTracks(); | |
181 | for (Int_t iTrack = 0; iTrack < tracks->GetNTracks(); iTrack++) { | |
182 | AliL3HoughTrack *track = (AliL3HoughTrack*)tracks->GetCheckedTrack(iTrack); | |
183 | if(!track) continue; | |
184 | ||
185 | track->CalculateHelix(); | |
186 | // track->Rotate(iSector); | |
187 | ||
188 | fTrackPt->Fill(track->GetPt()); | |
189 | fTrackEta->Fill(track->GetPseudoRapidity()); | |
190 | fTrackPhi->Fill(track->GetPsi() * TMath::RadToDeg()); | |
191 | if(track->GetPt()>3.) { | |
192 | fTrackEtaVsPhi->Fill(track->GetPseudoRapidity(),track->GetPsi() * TMath::RadToDeg()); | |
193 | fPtEtaVsPhi->Fill(track->GetPseudoRapidity(),track->GetPsi() * TMath::RadToDeg(),track->GetPt()); | |
194 | } | |
195 | fTrackNHits->Fill(track->GetNHits()); | |
196 | ||
197 | // Track dEdx | |
198 | Int_t nc=track->GetNHits(); | |
199 | UInt_t *hits = track->GetHitNumbers(); | |
200 | Float_t sampleDEdx[159]; | |
201 | for (Int_t iHit = 0; iHit < nc; iHit++) { | |
202 | UInt_t hitID = hits[iHit]; | |
203 | Int_t iSector = (hitID>>25) & 0x7f; | |
204 | Int_t iPatch = (hitID>>22) & 0x7; | |
205 | UInt_t position = hitID&0x3fffff; | |
206 | UChar_t padrow = clusters[iSector][iPatch][position].fPadRow; | |
207 | Float_t pWidth = AliL3Transform::GetPadPitchWidthLow(); | |
208 | if (padrow>63) | |
209 | pWidth = AliL3Transform::GetPadPitchWidthUp(); | |
210 | Float_t corr=1.; if (padrow>63) corr=0.67; | |
211 | sampleDEdx[iHit] = clusters[iSector][iPatch][position].fCharge/pWidth*corr; | |
212 | Double_t crossingangle = track->GetCrossingAngle(padrow,iSector); | |
213 | Double_t s = sin(crossingangle); | |
214 | Double_t t = track->GetTgl(); | |
215 | sampleDEdx[iHit] *= TMath::Sqrt((1-s*s)/(1+t*t)); | |
c6ba6205 | 216 | } |
c6ba6205 | 217 | |
4a69f9c7 | 218 | /* Cook dEdx */ |
219 | Int_t i; | |
220 | Int_t swap;//stupid sorting | |
221 | do { | |
222 | swap=0; | |
223 | for (i=0; i<nc-1; i++) { | |
224 | if (sampleDEdx[i]<=sampleDEdx[i+1]) continue; | |
225 | Float_t tmp=sampleDEdx[i]; | |
226 | sampleDEdx[i]=sampleDEdx[i+1]; sampleDEdx[i+1]=tmp; | |
227 | swap++; | |
228 | } | |
229 | } while (swap); | |
230 | ||
231 | Double_t low=0.05; Double_t up=0.7; | |
232 | Int_t nl=Int_t(low*nc), nu=Int_t(up*nc); | |
233 | Float_t trackDEdx=0; | |
234 | for (i=nl; i<=nu; i++) trackDEdx += sampleDEdx[i]; | |
235 | trackDEdx /= (nu-nl+1); | |
236 | ||
237 | fTrackDEdxVsP->Fill(track->GetP(),trackDEdx); | |
238 | if(track->GetP()>0.4 && track->GetP()<1.0) | |
239 | fTrackDEdx->Fill(trackDEdx); | |
c6ba6205 | 240 | } |
4a69f9c7 | 241 | fNTracks->Fill(nHoughTracks); |
242 | ||
243 | delete tracks; | |
244 | memHandler.CloseBinaryInput(); | |
245 | ||
c6ba6205 | 246 | #endif |
247 | } |