use ESD based tracking methods
[u/mrichter/AliRoot.git] / MONITOR / AliMonitorHLTHough.cxx
CommitLineData
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//_____________________________________________________________________________
39AliMonitorHLTHough::AliMonitorHLTHough(AliTPCParam* param)
40{
41// create a HLT monitor object with the given parameters
42
43 fParam = param;
44}
45
46//_____________________________________________________________________________
47AliMonitorHLTHough::AliMonitorHLTHough(const AliMonitorHLTHough& monitor) :
48 AliMonitor(monitor)
49{
50 Fatal("AliMonitorHLTHough", "copy constructor not implemented");
51}
52
53//_____________________________________________________________________________
54AliMonitorHLTHough& AliMonitorHLTHough::operator = (const AliMonitorHLTHough&
55 /*monitor*/)
56{
57 Fatal("operator =", "assignment operator not implemented");
58 return *this;
59}
60
c6ba6205 61
62//_____________________________________________________________________________
63void 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//_____________________________________________________________________________
131void AliMonitorHLTHough::FillHistos(AliRunLoader* /*runLoader*/,
b6a3610d 132 AliRawReader* /*rawReader*/,
133 AliESD* /*esd*/)
c6ba6205 134{
135// fill the HLT Hough transform monitor histograms
136
137#ifndef ALI_HLT
138 Warning("FillHistos", "the code was compiled without HLT support");
139
140#else
4a69f9c7 141 AliL3MemHandler clusterHandler[36][6];
142 AliL3SpacePointData *clusters[36][6];
c6ba6205 143 for (Int_t iSector = 0; iSector < fParam->GetNInnerSector(); iSector++) {
4a69f9c7 144 for (Int_t iPatch = 0; iPatch < 6; iPatch++) {
145 char fileName[256];
146 sprintf(fileName, "hlt/fitter/points_%d_%d.raw", iSector,iPatch);
147 if (!clusterHandler[iSector][iPatch].SetBinaryInput(fileName)) {
148 Warning("FillHistos", "could not open file %s", fileName);
149 continue;
c6ba6205 150 }
4a69f9c7 151 clusters[iSector][iPatch] = (AliL3SpacePointData*) clusterHandler[iSector][iPatch].Allocate();
152 UInt_t nClusters = 0;
153 clusterHandler[iSector][iPatch].Binary2Memory(nClusters, clusters[iSector][iPatch]);
154
155 for (UInt_t iCluster = 0; iCluster < nClusters; iCluster++) {
156 AliL3SpacePointData& cluster = clusters[iSector][iPatch][iCluster];
157 fClustersCharge->Fill(cluster.fCharge);
158 fNClustersVsRow->Fill(cluster.fPadRow);
159 fNClustersVsSector->Fill(iSector);
160 }
161
162 clusterHandler[iSector][iPatch].CloseBinaryInput();
163 }
164 }
165
166 fNClustersVsSector->ScaleErrorBy(10.);
167
168
169 AliL3MemHandler memHandler;
170 Int_t nHoughTracks = 0;
171
172 char fileName[256];
173 sprintf(fileName, "hlt/fitter/tracks.raw");
174 if (!memHandler.SetBinaryInput(fileName)) {
175 Warning("FillHistos", "could not open file hlt/fitter/tracks.raw");
176 return;
177 }
178 AliL3TrackArray* tracks = new AliL3TrackArray;
179 memHandler.Binary2TrackArray(tracks);
180
181 nHoughTracks += tracks->GetNTracks();
182 for (Int_t iTrack = 0; iTrack < tracks->GetNTracks(); iTrack++) {
183 AliL3HoughTrack *track = (AliL3HoughTrack*)tracks->GetCheckedTrack(iTrack);
184 if(!track) continue;
185
186 track->CalculateHelix();
187 // track->Rotate(iSector);
188
189 fTrackPt->Fill(track->GetPt());
190 fTrackEta->Fill(track->GetPseudoRapidity());
191 fTrackPhi->Fill(track->GetPsi() * TMath::RadToDeg());
192 if(track->GetPt()>3.) {
193 fTrackEtaVsPhi->Fill(track->GetPseudoRapidity(),track->GetPsi() * TMath::RadToDeg());
194 fPtEtaVsPhi->Fill(track->GetPseudoRapidity(),track->GetPsi() * TMath::RadToDeg(),track->GetPt());
195 }
196 fTrackNHits->Fill(track->GetNHits());
197
198 // Track dEdx
199 Int_t nc=track->GetNHits();
200 UInt_t *hits = track->GetHitNumbers();
201 Float_t sampleDEdx[159];
202 for (Int_t iHit = 0; iHit < nc; iHit++) {
203 UInt_t hitID = hits[iHit];
204 Int_t iSector = (hitID>>25) & 0x7f;
205 Int_t iPatch = (hitID>>22) & 0x7;
206 UInt_t position = hitID&0x3fffff;
207 UChar_t padrow = clusters[iSector][iPatch][position].fPadRow;
208 Float_t pWidth = AliL3Transform::GetPadPitchWidthLow();
209 if (padrow>63)
210 pWidth = AliL3Transform::GetPadPitchWidthUp();
211 Float_t corr=1.; if (padrow>63) corr=0.67;
212 sampleDEdx[iHit] = clusters[iSector][iPatch][position].fCharge/pWidth*corr;
213 Double_t crossingangle = track->GetCrossingAngle(padrow,iSector);
214 Double_t s = sin(crossingangle);
215 Double_t t = track->GetTgl();
216 sampleDEdx[iHit] *= TMath::Sqrt((1-s*s)/(1+t*t));
c6ba6205 217 }
c6ba6205 218
4a69f9c7 219 /* Cook dEdx */
220 Int_t i;
221 Int_t swap;//stupid sorting
222 do {
223 swap=0;
224 for (i=0; i<nc-1; i++) {
225 if (sampleDEdx[i]<=sampleDEdx[i+1]) continue;
226 Float_t tmp=sampleDEdx[i];
227 sampleDEdx[i]=sampleDEdx[i+1]; sampleDEdx[i+1]=tmp;
228 swap++;
229 }
230 } while (swap);
231
232 Double_t low=0.05; Double_t up=0.7;
233 Int_t nl=Int_t(low*nc), nu=Int_t(up*nc);
234 Float_t trackDEdx=0;
235 for (i=nl; i<=nu; i++) trackDEdx += sampleDEdx[i];
236 trackDEdx /= (nu-nl+1);
237
238 fTrackDEdxVsP->Fill(track->GetP(),trackDEdx);
239 if(track->GetP()>0.4 && track->GetP()<1.0)
240 fTrackDEdx->Fill(trackDEdx);
c6ba6205 241 }
4a69f9c7 242 fNTracks->Fill(nHoughTracks);
243
244 delete tracks;
245 memHandler.CloseBinaryInput();
246
c6ba6205 247#endif
248}