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121a60bd | 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 | // class for TRD reconstruction // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
e3b2b5e5 | 24 | #include <TFile.h> |
121a60bd | 25 | |
26 | #include "AliTRDReconstructor.h" | |
27 | #include "AliRunLoader.h" | |
121a60bd | 28 | #include "AliTRDclusterizerV1.h" |
29 | #include "AliTRDtracker.h" | |
b0f03c34 | 30 | #include "AliTRDpidESD.h" |
6965c99b | 31 | #include "AliRawReader.h" |
928e9fae | 32 | #include "AliLog.h" |
0ee00e25 | 33 | #include "AliTRDtrigger.h" |
34 | #include "AliTRDtrigParam.h" | |
e3b2b5e5 | 35 | #include "AliTRDgtuTrack.h" |
0ee00e25 | 36 | #include "AliRun.h" |
37 | #include "AliESDTrdTrack.h" | |
38 | #include "AliESD.h" | |
121a60bd | 39 | |
40 | ClassImp(AliTRDReconstructor) | |
41 | ||
0397ce53 | 42 | Bool_t AliTRDReconstructor::fgkSeedingOn = kFALSE; |
d337ef8d | 43 | Int_t AliTRDReconstructor::fgStreamLevel = 0; // stream (debug) level |
0397ce53 | 44 | |
121a60bd | 45 | //_____________________________________________________________________________ |
46 | void AliTRDReconstructor::Reconstruct(AliRunLoader* runLoader) const | |
47 | { | |
48 | // reconstruct clusters | |
49 | ||
2b217b01 | 50 | AliLoader *loader=runLoader->GetLoader("TRDLoader"); |
51 | loader->LoadRecPoints("recreate"); | |
52 | ||
121a60bd | 53 | runLoader->CdGAFile(); |
121a60bd | 54 | Int_t nEvents = runLoader->GetNumberOfEvents(); |
55 | ||
56 | for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) { | |
4ab68796 | 57 | AliTRDclusterizerV1 clusterer("clusterer", "TRD clusterizer"); |
121a60bd | 58 | clusterer.Open(runLoader->GetFileName(), iEvent); |
59 | clusterer.ReadDigits(); | |
60 | clusterer.MakeClusters(); | |
61 | clusterer.WriteClusters(-1); | |
62 | } | |
1a39153b | 63 | |
64 | loader->UnloadRecPoints(); | |
0ee00e25 | 65 | |
66 | // Trigger (tracklets, LTU) | |
67 | ||
b44e4c72 | 68 | loader->LoadTracks("RECREATE"); |
69 | ||
e3b2b5e5 | 70 | Info("Reconstruct","Trigger tracklets will be produced"); |
71 | ||
0ee00e25 | 72 | AliTRDtrigger trdTrigger("Trigger","Trigger class"); |
73 | ||
74 | AliTRDtrigParam *trigp = new AliTRDtrigParam("TRDtrigParam","TRD Trigger parameters"); | |
75 | ||
76 | if (runLoader->GetAliRun() == 0x0) runLoader->LoadgAlice(); | |
77 | gAlice = runLoader->GetAliRun(); | |
78 | Double_t x[3] = { 0.0, 0.0, 0.0 }; | |
79 | Double_t b[3]; | |
80 | gAlice->Field(x,b); // b[] is in kilo Gauss | |
81 | Float_t field = b[2] * 0.1; // Tesla | |
82 | Info("Reconstruct","Trigger set for magnetic field = %f Tesla \n",field); | |
83 | ||
84 | trigp->SetField(field); | |
85 | trigp->Init(); | |
86 | trdTrigger.SetParameter(trigp); | |
87 | ||
88 | for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) { | |
89 | trdTrigger.Open(runLoader->GetFileName(), iEvent); | |
90 | trdTrigger.ReadDigits(); | |
91 | trdTrigger.MakeTracklets(); | |
92 | trdTrigger.WriteTracklets(-1); | |
93 | } | |
94 | ||
95 | loader->UnloadTracks(); | |
96 | ||
121a60bd | 97 | } |
98 | ||
99 | //_____________________________________________________________________________ | |
928e9fae | 100 | void AliTRDReconstructor::Reconstruct(AliRunLoader* runLoader, |
101 | AliRawReader* rawReader) const | |
102 | { | |
103 | // reconstruct clusters | |
104 | ||
105 | AliInfo("Reconstruct TRD clusters from RAW data"); | |
106 | ||
107 | AliLoader *loader=runLoader->GetLoader("TRDLoader"); | |
108 | loader->LoadRecPoints("recreate"); | |
109 | ||
928e9fae | 110 | runLoader->CdGAFile(); |
928e9fae | 111 | Int_t nEvents = runLoader->GetNumberOfEvents(); |
112 | ||
113 | for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) { | |
114 | if (!rawReader->NextEvent()) break; | |
4ab68796 | 115 | AliTRDclusterizerV1 clusterer("clusterer", "TRD clusterizer"); |
928e9fae | 116 | clusterer.Open(runLoader->GetFileName(), iEvent); |
117 | clusterer.ReadDigits(rawReader); | |
118 | clusterer.MakeClusters(); | |
119 | clusterer.WriteClusters(-1); | |
120 | } | |
121 | ||
122 | loader->UnloadRecPoints(); | |
0ee00e25 | 123 | |
124 | // Trigger (tracklets, LTU) | |
125 | ||
e3b2b5e5 | 126 | loader->LoadTracks(); |
127 | if (loader->TreeT()) { | |
128 | Info("Reconstruct","Tracklets already exist"); | |
129 | return; | |
130 | } | |
131 | Info("Reconstruct","Trigger tracklets will be produced"); | |
132 | ||
0ee00e25 | 133 | AliTRDtrigger trdTrigger("Trigger","Trigger class"); |
134 | ||
135 | AliTRDtrigParam *trigp = new AliTRDtrigParam("TRDtrigParam","TRD Trigger parameters"); | |
136 | ||
137 | if (runLoader->GetAliRun() == 0x0) runLoader->LoadgAlice(); | |
138 | gAlice = runLoader->GetAliRun(); | |
139 | Double_t x[3] = { 0.0, 0.0, 0.0 }; | |
140 | Double_t b[3]; | |
141 | gAlice->Field(x,b); // b[] is in kilo Gauss | |
142 | Float_t field = b[2] * 0.1; // Tesla | |
143 | Info("Reconstruct","Trigger set for magnetic field = %f Tesla \n",field); | |
144 | ||
145 | trigp->SetField(field); | |
146 | trigp->Init(); | |
147 | trdTrigger.SetParameter(trigp); | |
148 | ||
d202144c | 149 | rawReader->RewindEvents(); |
150 | ||
0ee00e25 | 151 | for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) { |
d202144c | 152 | if (!rawReader->NextEvent()) break; |
0ee00e25 | 153 | trdTrigger.Open(runLoader->GetFileName(), iEvent); |
154 | trdTrigger.ReadDigits(rawReader); | |
155 | trdTrigger.MakeTracklets(); | |
156 | trdTrigger.WriteTracklets(-1); | |
157 | } | |
158 | ||
159 | loader->UnloadTracks(); | |
160 | ||
928e9fae | 161 | } |
162 | ||
163 | //_____________________________________________________________________________ | |
121a60bd | 164 | AliTracker* AliTRDReconstructor::CreateTracker(AliRunLoader* runLoader) const |
165 | { | |
166 | // create a TRD tracker | |
167 | ||
168 | runLoader->CdGAFile(); | |
169 | return new AliTRDtracker(gFile); | |
170 | } | |
171 | ||
172 | //_____________________________________________________________________________ | |
0ee00e25 | 173 | void AliTRDReconstructor::FillESD(AliRunLoader* runLoader, |
b0f03c34 | 174 | AliESD* esd) const |
121a60bd | 175 | { |
b0f03c34 | 176 | // make PID |
177 | ||
178 | Double_t parTRD[] = { | |
eab5961e | 179 | 280., // Min. Ionizing Particle signal. Check it !!! |
b0f03c34 | 180 | 0.23, // relative resolution Check it !!! |
181 | 10. // PID range (in sigmas) | |
182 | }; | |
183 | AliTRDpidESD trdPID(parTRD); | |
184 | trdPID.MakePID(esd); | |
0ee00e25 | 185 | |
186 | // Trigger (tracks, GTU) | |
187 | ||
188 | AliTRDtrigger trdTrigger("Trigger","Trigger class"); | |
189 | ||
190 | AliTRDtrigParam *trigp = new AliTRDtrigParam("TRDtrigParam","TRD Trigger parameters"); | |
191 | ||
192 | if (runLoader->GetAliRun() == 0x0) runLoader->LoadgAlice(); | |
193 | gAlice = runLoader->GetAliRun(); | |
194 | Double_t x[3] = { 0.0, 0.0, 0.0 }; | |
195 | Double_t b[3]; | |
196 | gAlice->Field(x,b); // b[] is in kilo Gauss | |
197 | Float_t field = b[2] * 0.1; // Tesla | |
198 | Info("FillESD","Trigger set for magnetic field = %f Tesla \n",field); | |
199 | ||
200 | trigp->SetField(field); | |
201 | trigp->Init(); | |
202 | ||
203 | trdTrigger.SetParameter(trigp); | |
204 | trdTrigger.SetRunLoader(runLoader); | |
205 | trdTrigger.Init(); | |
206 | ||
207 | Int_t iEvent = runLoader->GetEventNumber(); | |
208 | runLoader->GetEvent(iEvent); | |
209 | trdTrigger.ReadTracklets(runLoader); | |
210 | ||
211 | AliESDTrdTrack *TrdTrack = new AliESDTrdTrack(); | |
212 | AliTRDgtuTrack *GtuTrack; | |
213 | ||
214 | Int_t nTracks = trdTrigger.GetNumberOfTracks(); | |
215 | for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) { | |
216 | ||
217 | GtuTrack = trdTrigger.GetTrack(iTrack); | |
218 | ||
219 | TrdTrack->SetYproj(GtuTrack->GetYproj()); | |
220 | TrdTrack->SetZproj(GtuTrack->GetZproj()); | |
221 | TrdTrack->SetSlope(GtuTrack->GetSlope()); | |
222 | TrdTrack->SetDetector(GtuTrack->GetDetector()); | |
223 | TrdTrack->SetTracklets(GtuTrack->GetTracklets()); | |
224 | TrdTrack->SetPlanes(GtuTrack->GetPlanes()); | |
225 | TrdTrack->SetClusters(GtuTrack->GetClusters()); | |
226 | TrdTrack->SetPt(GtuTrack->GetPt()); | |
227 | TrdTrack->SetPhi(GtuTrack->GetPhi()); | |
228 | TrdTrack->SetEta(GtuTrack->GetEta()); | |
229 | TrdTrack->SetLabel(GtuTrack->GetLabel()); | |
230 | TrdTrack->SetPID(GtuTrack->GetPID()); | |
4c8471bd | 231 | TrdTrack->SetIsElectron(GtuTrack->IsElectron()); |
0ee00e25 | 232 | |
233 | esd->AddTrdTrack(TrdTrack); | |
234 | ||
235 | } | |
236 | ||
121a60bd | 237 | } |
238 | ||
239 | ||
121a60bd | 240 |