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de3c3890 1// $Id$
2
3///////////////////////////////////////////////////////////////////////////////
4// //
5// class for HLT reconstruction //
6// <Cvetan.Cheshkov@cern.ch> //
7///////////////////////////////////////////////////////////////////////////////
8
9// very ugly but it has to work fast
10#ifdef use_reconstruction
11
12#include <Riostream.h>
13#include <TSystem.h>
14#include <TArrayF.h>
15
16#include "AliL3StandardIncludes.h"
9a74ed1c 17#include "AliL3Logging.h"
de3c3890 18#include "AliLevel3.h"
19#include "AliL3Evaluate.h"
20#include "AliHLTReconstructor.h"
21#include "AliL3Transform.h"
22#include "AliL3Hough.h"
23#include "AliL3FileHandler.h"
24#include "AliL3Track.h"
25#include "AliL3HoughTrack.h"
26#include "AliL3TrackArray.h"
27#include "AliRunLoader.h"
28#include "AliHeader.h"
29#include "AliGenEventHeader.h"
30#include "AliESD.h"
31#include "AliESDHLTtrack.h"
32
33#if __GNUC__== 3
34using namespace std;
35#endif
36
37
38ClassImp(AliHLTReconstructor)
39
40void AliHLTReconstructor::Reconstruct(AliRunLoader* runLoader) const
41{
9a74ed1c 42 if(!runLoader) {
43 LOG(AliL3Log::kFatal,"AliHLTReconstructor::Reconstruct","RunLoader")
44 <<" Missing RunLoader! 0x0"<<ENDLOG;
45 }
de3c3890 46 gSystem->Exec("rm -rf hlt");
47 gSystem->MakeDirectory("hlt");
48 gSystem->Exec("rm -rf hough");
49 gSystem->MakeDirectory("hough");
50 gSystem->Exec("rm -f alirunfile.root");
51 gSystem->Exec("ln -s galice.root alirunfile.root");
52
53 Bool_t isinit=AliL3Transform::Init("./",kTRUE);
54 if(!isinit){
55 cerr << "Could not create transform settings, please check log for error messages!" << endl;
56 return;
57 }
58
59 Int_t nEvents = runLoader->GetNumberOfEvents();
60
61 for(Int_t iEvent = 0; iEvent < nEvents; iEvent++) {
62 runLoader->GetEvent(iEvent);
63
64 ReconstructWithConformalMapping(runLoader,iEvent);
65 ReconstructWithHoughTransform(runLoader,iEvent);
66 }
67}
68
69void AliHLTReconstructor::ReconstructWithConformalMapping(AliRunLoader* runLoader,Int_t iEvent) const
70{
71 AliLevel3 *fHLT = new AliLevel3(runLoader);
72 fHLT->Init("./", AliLevel3::kRunLoader, 1);
73
74 Int_t phiSegments = 50;
75 Int_t etaSegments = 100;
76 Int_t trackletlength = 3;
77 Int_t tracklength = 10;
78 Int_t rowscopetracklet = 2;
79 Int_t rowscopetrack = 10;
80 Double_t minPtFit = 0;
81 Double_t maxangle = 0.1745;
82 Double_t goodDist = 5;
83 Double_t maxphi = 0.1;
84 Double_t maxeta = 0.1;
85 Double_t hitChi2Cut = 20;
86 Double_t goodHitChi2 = 5;
87 Double_t trackChi2Cut = 10;
88 Double_t xyerror = -1;
89 Double_t zerror = -1;
90
91 fHLT->SetClusterFinderParam(xyerror,zerror,kTRUE);
92 fHLT->SetTrackerParam(phiSegments, etaSegments,
93 trackletlength, tracklength,
94 rowscopetracklet, rowscopetrack,
95 minPtFit, maxangle, goodDist, hitChi2Cut,
96 goodHitChi2, trackChi2Cut, 50, maxphi, maxeta, kTRUE);
97 fHLT->SetMergerParameters(2,3,0.003,0.1,0.05);
98 fHLT->DoMc();
99 fHLT->WriteFiles("./hlt/");
100
101 fHLT->ProcessEvent(0, 35, iEvent);
102
103 char filename[256];
104 sprintf(filename, "confmap_%d",iEvent);
105 fHLT->DoBench(filename);
106
107 delete fHLT;
108
109}
110
111void AliHLTReconstructor::ReconstructWithHoughTransform(AliRunLoader* runLoader,Int_t iEvent) const
112{
113 Float_t ptmin = 0.1*AliL3Transform::GetSolenoidField();
114
115 Float_t zvertex = 0;
116 TArrayF mcVertex(3);
117 runLoader->GetHeader()->GenEventHeader()->PrimaryVertex(mcVertex);
118 zvertex = mcVertex[2];
119
120 cout<<" Hough Tranform will run with ptmin="<<ptmin<<" and zvertex="<<zvertex<<endl;
121
122 AliL3Hough *hough = new AliL3Hough();
123
124 hough->SetThreshold(4);
125 hough->SetTransformerParams(76,140,ptmin,-1);
126 hough->SetPeakThreshold(70,-1);
127 hough->SetRunLoader(runLoader);
128 hough->Init("./", kFALSE, 100, kFALSE,4,0,0,zvertex);
129 hough->SetAddHistograms();
130
131 for(int slice=0; slice<=35; slice++)
132 {
133 // cout<<"Processing slice "<<slice<<endl;
134 hough->ReadData(slice,iEvent);
135 hough->Transform();
136 hough->AddAllHistogramsRows();
137 hough->FindTrackCandidatesRow();
138 // hough->WriteTracks(slice,"./hough");
139 hough->AddTracks();
140 }
141 hough->WriteTracks("./hough");
142
143 char filename[256];
144 sprintf(filename, "hough_%d",iEvent);
145 hough->DoBench(filename);
146
147 delete hough;
148}
149
150void AliHLTReconstructor::FillESD(AliRunLoader* runLoader,
151 AliESD* esd) const
152{
153 Int_t iEvent = runLoader->GetEventNumber();
154
155 FillESDforConformalMapping(esd,iEvent);
156 FillESDforHoughTransform(esd,iEvent);
157}
158
159void AliHLTReconstructor::FillESDforConformalMapping(AliESD* esd,Int_t iEvent) const
160{
161 //Assign MC labels for found tracks
162 int slicerange[2]={0,35};
163 int good = (int)(0.4*AliL3Transform::GetNRows());
164 int nclusters = (int)(0.4*AliL3Transform::GetNRows());
165 float ptmin = 0.;
166 float ptmax = 0.;
167 float maxfalseratio = 0.1;
168
169 AliL3Evaluate *fHLTEval = new AliL3Evaluate("./hlt",nclusters,good,ptmin,ptmax,slicerange);
170 fHLTEval->SetMaxFalseClusters(maxfalseratio);
171
172 fHLTEval->LoadData(iEvent,kTRUE);
173 fHLTEval->AssignPIDs();
174 fHLTEval->AssignIDs();
175 AliL3TrackArray *fTracks = fHLTEval->GetTracks();
176 for(Int_t i=0; i<fTracks->GetNTracks(); i++)
177 {
178 AliL3Track *tpt = (AliL3Track *)fTracks->GetCheckedTrack(i);
179 if(!tpt) continue;
180
181 AliESDHLTtrack *esdtrack = new AliESDHLTtrack() ;
182
183 esdtrack->SetRowRange(tpt->GetFirstRow(),tpt->GetLastRow());
184 esdtrack->SetNHits(tpt->GetNHits());
185 esdtrack->SetFirstPoint(tpt->GetFirstPointX(),tpt->GetFirstPointY(),tpt->GetFirstPointZ());
186 esdtrack->SetLastPoint(tpt->GetLastPointX(),tpt->GetLastPointY(),tpt->GetLastPointZ());
187 esdtrack->SetPt(tpt->GetPt());
188 esdtrack->SetPsi(tpt->GetPsi());
189 esdtrack->SetTgl(tpt->GetTgl());
190 esdtrack->SetCharge(tpt->GetCharge());
191 esdtrack->SetMCid(tpt->GetMCid());
192 esdtrack->SetSector(tpt->GetSector());
193 esdtrack->SetPID(tpt->GetPID());
194 esdtrack->ComesFromMainVertex(tpt->ComesFromMainVertex());
195
196 esd->AddHLTConfMapTrack(esdtrack);
197 delete esdtrack;
198 }
199
200 delete fHLTEval;
201}
202
203void AliHLTReconstructor::FillESDforHoughTransform(AliESD* esd,Int_t iEvent) const
204{
205 char filename[256];
206 sprintf(filename,"./hough/tracks_%d.raw",iEvent);
207
208 AliL3FileHandler *tfile = new AliL3FileHandler();
209 if(!tfile->SetBinaryInput(filename)){
210 Error("FillESD","Inputfile ",filename," does not exist");
211 return;
212 }
213
214 AliL3TrackArray *fTracks = new AliL3TrackArray("AliL3HoughTrack");
215 tfile->Binary2TrackArray(fTracks);
216 tfile->CloseBinaryInput();
217 delete tfile;
218
219 for(Int_t i=0; i<fTracks->GetNTracks(); i++)
220 {
221 AliL3HoughTrack *tpt = (AliL3HoughTrack *)fTracks->GetCheckedTrack(i);
222 if(!tpt) continue;
223
224 AliESDHLTtrack *esdtrack = new AliESDHLTtrack() ;
225
226 esdtrack->SetRowRange(tpt->GetFirstRow(),tpt->GetLastRow());
227 esdtrack->SetNHits(tpt->GetNHits());
228 esdtrack->SetFirstPoint(tpt->GetFirstPointX(),tpt->GetFirstPointY(),tpt->GetFirstPointZ());
229 esdtrack->SetLastPoint(tpt->GetLastPointX(),tpt->GetLastPointY(),tpt->GetLastPointZ());
230 esdtrack->SetPt(tpt->GetPt());
231 esdtrack->SetPsi(tpt->GetPsi());
232 esdtrack->SetTgl(tpt->GetTgl());
233 esdtrack->SetCharge(tpt->GetCharge());
234 esdtrack->SetMCid(tpt->GetMCid());
235 esdtrack->SetWeight(tpt->GetWeight());
236 esdtrack->SetSector(tpt->GetSector());
237 esdtrack->SetBinXY(tpt->GetBinX(),tpt->GetBinY(),tpt->GetSizeX(),tpt->GetSizeY());
238 esdtrack->SetPID(tpt->GetPID());
239 esdtrack->ComesFromMainVertex(tpt->ComesFromMainVertex());
240
241 esd->AddHLTHoughTrack(esdtrack);
242 delete esdtrack;
243 }
244
245 delete fTracks;
246}
247
248#endif