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97d6eb66 | 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 | #ifdef ALI_HLT | |
27 | #include <stdlib.h> | |
28 | #include "AliL3MemHandler.h" | |
29 | #include "AliL3SpacePointData.h" | |
30 | #include "AliL3TrackArray.h" | |
31 | #include "AliL3Track.h" | |
db9d2b7f | 32 | #include "AliL3Transform.h" |
97d6eb66 | 33 | #endif |
34 | ||
35 | //_____________________________________________________________________________ | |
36 | AliMonitorHLT::AliMonitorHLT(AliTPCParam* param) | |
37 | { | |
38 | // create a HLT monitor object with the given parameters | |
39 | ||
40 | fParam = param; | |
41 | } | |
42 | ||
43 | //_____________________________________________________________________________ | |
44 | AliMonitorHLT::~AliMonitorHLT() | |
45 | { | |
46 | } | |
47 | ||
48 | ||
49 | //_____________________________________________________________________________ | |
50 | void AliMonitorHLT::CreateHistos(TFolder* folder) | |
51 | { | |
52 | // create the HLT monitor histograms | |
53 | ||
54 | fFolder = folder->AddFolder("HLT", "HLT"); | |
55 | ||
56 | fClustersCharge = CreateHisto1("ClustersCharge", | |
57 | "charge distribution of clusters", | |
58 | 100, 0, 1000, "charge", "#Delta N/N", | |
59 | AliMonitorHisto::kNormEvents); | |
60 | ||
61 | Int_t nRows = fParam->GetNRowLow() + fParam->GetNRowUp(); | |
62 | fNClustersVsRow = CreateHisto1("NClustersVsRow", | |
63 | "mean number of clusters per pad row", | |
64 | nRows, -0.5, nRows-0.5, | |
65 | "pad row", "<N_{clusters}>", | |
66 | AliMonitorHisto::kNormEvents); | |
67 | ||
68 | Int_t nSector = fParam->GetNInnerSector(); | |
69 | fNClustersVsSector = CreateHisto1("NClustersVsSector", | |
70 | "mean number of clusters per sector", | |
71 | nSector, -0.5, nSector-0.5, | |
72 | "sector", "<N_{clusters}>", | |
73 | AliMonitorHisto::kNormEvents); | |
74 | ||
75 | fNTracks = CreateTrend("NTracks", "number of tracks per event", | |
76 | "N_{tracks}"); | |
77 | ||
78 | fTrackPt = CreateHisto1("TrackPt", "pt distribution of tracks", | |
79 | 90, 0, 3, "p_{t} [GeV/c]", "#Delta N/N", | |
80 | AliMonitorHisto::kNormEntries); | |
81 | ||
82 | fTrackEta = CreateHisto1("TrackEta", "eta distribution of tracks", | |
83 | 100, -2, 2, "#eta", "#Delta N/N", | |
84 | AliMonitorHisto::kNormEntries); | |
85 | ||
86 | fTrackPhi = CreateHisto1("TrackPhi", "phi distribution of tracks", | |
87 | 120, 0, 360, "#phi [#circ]", "#Delta N/N", | |
88 | AliMonitorHisto::kNormEntries); | |
db9d2b7f | 89 | |
90 | fTrackNHits = CreateHisto1("TrackNHits", "Number of hits per track", | |
91 | 200, 0, 200, "N_{hits}", "#Delta N/N", | |
92 | AliMonitorHisto::kNormEntries); | |
93 | ||
94 | fTrackDEdxVsP = CreateHisto2("TrackDEdxVsP", "dE/dx of tracks", | |
95 | 100, 0, 3, 100, 0, 1000, | |
96 | "p [GeV/c]", "dE/dx", "#Delta N/N", | |
97 | AliMonitorHisto::kNormEntries); | |
98 | ||
99 | fTrackDz0 = CreateHisto1("TrackDz0", "Dz0 of tracks", | |
100 | 100, -100, 100, "#Delta z0 [cm]", "#Delta N/N", | |
101 | AliMonitorHisto::kNormEntries); | |
102 | ||
103 | fTrackDr0 = CreateHisto1("TrackDr0", "Dr0 of tracks", | |
104 | 130, 80, 250, "#Delta r0 [cm]", "#Delta N/N", | |
105 | AliMonitorHisto::kNormEntries); | |
106 | ||
107 | fTrackAngle = CreateHisto1("TrackAngle", "azimutal distribution of tracks", | |
108 | 100, -4, 4, " ", "#Delta N/N", | |
109 | AliMonitorHisto::kNormEntries); | |
110 | ||
97d6eb66 | 111 | } |
112 | ||
113 | ||
114 | #include <TCanvas.h> | |
115 | //_____________________________________________________________________________ | |
116 | void AliMonitorHLT::FillHistos(AliRunLoader* /*runLoader*/, | |
117 | AliRawReader* /*rawReader*/) | |
118 | { | |
119 | // fill the HLT monitor histogrms | |
120 | ||
121 | #ifndef ALI_HLT | |
122 | Warning("FillHistos", "the code was compiled without HLT support"); | |
123 | ||
124 | #else | |
db9d2b7f | 125 | AliL3MemHandler clusterHandler[36]; |
126 | AliL3SpacePointData *clusters[36]; | |
97d6eb66 | 127 | for (Int_t iSector = 0; iSector < fParam->GetNInnerSector(); iSector++) { |
128 | char fileName[256]; | |
129 | sprintf(fileName, "hlt/points_%d_-1.raw", iSector); | |
db9d2b7f | 130 | if (!clusterHandler[iSector].SetBinaryInput(fileName)) { |
97d6eb66 | 131 | Warning("FillHistos", "could not open file %s", fileName); |
132 | continue; | |
133 | } | |
db9d2b7f | 134 | clusters[iSector] = (AliL3SpacePointData*) clusterHandler[iSector].Allocate(); |
97d6eb66 | 135 | UInt_t nClusters = 0; |
db9d2b7f | 136 | clusterHandler[iSector].Binary2Memory(nClusters, clusters[iSector]); |
97d6eb66 | 137 | |
138 | for (UInt_t iCluster = 0; iCluster < nClusters; iCluster++) { | |
db9d2b7f | 139 | AliL3SpacePointData& cluster = clusters[iSector][iCluster]; |
97d6eb66 | 140 | fClustersCharge->Fill(cluster.fCharge); |
141 | fNClustersVsRow->Fill(cluster.fPadRow); | |
142 | fNClustersVsSector->Fill(iSector); | |
143 | } | |
144 | ||
db9d2b7f | 145 | clusterHandler[iSector].CloseBinaryInput(); |
97d6eb66 | 146 | } |
147 | ||
148 | fNClustersVsSector->ScaleErrorBy(10.); | |
149 | ||
db9d2b7f | 150 | AliL3MemHandler memHandler; |
97d6eb66 | 151 | if (!memHandler.SetBinaryInput("hlt/tracks.raw")) { |
152 | Warning("FillHistos", "could not open file hlt/tracks.raw"); | |
153 | return; | |
154 | } | |
155 | AliL3TrackArray* tracks = new AliL3TrackArray; | |
156 | memHandler.Binary2TrackArray(tracks); | |
157 | ||
158 | fNTracks->Fill(tracks->GetNTracks()); | |
159 | for (Int_t iTrack = 0; iTrack < tracks->GetNTracks(); iTrack++) { | |
db9d2b7f | 160 | AliL3Track* track = tracks->GetCheckedTrack(iTrack); |
161 | if(!track) continue; | |
162 | track->CalculateHelix(); | |
97d6eb66 | 163 | fTrackPt->Fill(track->GetPt()); |
164 | fTrackEta->Fill(track->GetPseudoRapidity()); | |
165 | fTrackPhi->Fill(track->GetPsi() * TMath::RadToDeg()); | |
db9d2b7f | 166 | fTrackDz0->Fill(track->GetZ0()); |
167 | fTrackDr0->Fill(track->GetR0()); | |
168 | fTrackNHits->Fill(track->GetNHits()); | |
169 | ||
170 | // Track dEdx | |
171 | Int_t nc=track->GetNHits(); | |
172 | UInt_t *hits = track->GetHitNumbers(); | |
173 | Float_t sampleDEdx[159]; | |
174 | for (Int_t iHit = 0; iHit < nc; iHit++) { | |
175 | UInt_t hitID = hits[iHit]; | |
176 | Int_t iSector = (hitID>>25) & 0x7f; | |
177 | UInt_t position = hitID&0x3fffff; | |
178 | UChar_t padrow = clusters[iSector][position].fPadRow; | |
179 | Float_t pWidth = AliL3Transform::GetPadPitchWidthLow(); | |
180 | if (padrow>63) | |
181 | pWidth = AliL3Transform::GetPadPitchWidthUp(); | |
182 | Float_t corr=1.; if (padrow>63) corr=0.67; | |
183 | sampleDEdx[iHit] = clusters[iSector][position].fCharge/pWidth*corr; | |
184 | Double_t crossingangle = track->GetCrossingAngle(padrow,iSector); | |
185 | fTrackAngle->Fill(crossingangle); | |
186 | Double_t s = sin(crossingangle); | |
187 | Double_t t = track->GetTgl(); | |
188 | sampleDEdx[iHit] *= TMath::Sqrt((1-s*s)/(1+t*t)); | |
189 | } | |
190 | ||
191 | /* Cook dEdx */ | |
192 | Int_t i; | |
193 | Int_t swap;//stupid sorting | |
194 | do { | |
195 | swap=0; | |
196 | for (i=0; i<nc-1; i++) { | |
197 | if (sampleDEdx[i]<=sampleDEdx[i+1]) continue; | |
198 | Float_t tmp=sampleDEdx[i]; | |
199 | sampleDEdx[i]=sampleDEdx[i+1]; sampleDEdx[i+1]=tmp; | |
200 | swap++; | |
201 | } | |
202 | } while (swap); | |
203 | ||
204 | Double_t low=0.05; Double_t up=0.7; | |
205 | Int_t nl=Int_t(low*nc), nu=Int_t(up*nc); | |
206 | Float_t trackDEdx=0; | |
207 | for (i=nl; i<=nu; i++) trackDEdx += sampleDEdx[i]; | |
208 | trackDEdx /= (nu-nl+1); | |
209 | ||
210 | fTrackDEdxVsP->Fill(track->GetP(),trackDEdx); | |
97d6eb66 | 211 | } |
212 | ||
213 | delete tracks; | |
214 | memHandler.CloseBinaryInput(); | |
215 | #endif | |
216 | } |