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121a60bd | 1 | /************************************************************************** |
91834b8d | 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 | **************************************************************************/ | |
121a60bd | 15 | |
16 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
4fad09c9 | 20 | // Class for TRD reconstruction // |
954135b1 | 21 | // // |
22 | // For the special options which can be used during reconstruction and their // | |
23 | // default values pls. see function SetOption(). // | |
121a60bd | 24 | // // |
25 | /////////////////////////////////////////////////////////////////////////////// | |
26 | ||
3a039a31 | 27 | #include <TObjString.h> |
28 | #include <TObjArray.h> | |
d39401ad | 29 | #include <TTreeStream.h> |
30 | #include <TDirectory.h> | |
121a60bd | 31 | |
3bc9d03e | 32 | #include "AliRawReader.h" |
3bc9d03e | 33 | |
34 | #include "AliTRDReconstructor.h" | |
3fe61b77 | 35 | #include "AliTRDclusterizer.h" |
a8fbb161 | 36 | #include "AliTRDrawData.h" |
8df1f8f5 | 37 | #include "AliTRDrawStream.h" |
a8fbb161 | 38 | #include "AliTRDdigitsManager.h" |
e4f2f73d | 39 | #include "AliTRDtrackerV1.h" |
29f95561 | 40 | |
97b6dfac | 41 | #define SETFLG(n,f) ((n) |= f) |
42 | #define CLRFLG(n,f) ((n) &= ~f) | |
43 | ||
121a60bd | 44 | ClassImp(AliTRDReconstructor) |
45 | ||
828c6f80 | 46 | TClonesArray *AliTRDReconstructor::fgClusters = NULL; |
47 | TClonesArray *AliTRDReconstructor::fgTracklets = NULL; | |
828c6f80 | 48 | Char_t const * AliTRDReconstructor::fgSteerNames[kNsteer] = { |
b72f4eaf | 49 | "DigitsConversion " |
b72f4eaf | 50 | ,"Write Clusters " |
51 | ,"Write Online Tracklets " | |
b72f4eaf | 52 | ,"Stand Alone Tracking " |
8fc736d7 | 53 | ,"HLT Mode " |
54 | ,"Process Online Trklts " | |
55 | ,"Debug Streaming " | |
56 | ,"Cl. Radial Correction " | |
b72f4eaf | 57 | }; |
828c6f80 | 58 | Char_t const * AliTRDReconstructor::fgSteerFlags[kNsteer] = { |
b72f4eaf | 59 | "dc"// digits conversion [false] |
b72f4eaf | 60 | ,"cw"// write clusters [true] |
61 | ,"tw"// write online tracklets [false] | |
b72f4eaf | 62 | ,"sa"// track seeding (stand alone tracking) [true] |
b72f4eaf | 63 | ,"hlt"// HLT reconstruction [false] |
a5b99acd | 64 | ,"tp"// also use online tracklets for reconstruction [false] |
a2fbb6ec | 65 | ,"deb"// Write debug stream [false] |
b30d8c09 | 66 | ,"cc" // Cluster radial correction during reconstruction [false] |
b72f4eaf | 67 | }; |
828c6f80 | 68 | Char_t const * AliTRDReconstructor::fgTaskNames[AliTRDrecoParam::kTRDreconstructionTasks] = { |
a2fbb6ec | 69 | "Clusterizer" |
b72f4eaf | 70 | ,"Tracker" |
71 | ,"PID" | |
72 | }; | |
828c6f80 | 73 | Char_t const * AliTRDReconstructor::fgTaskFlags[AliTRDrecoParam::kTRDreconstructionTasks] = { |
a2fbb6ec | 74 | "cl" |
b72f4eaf | 75 | ,"tr" |
76 | ,"pd" | |
77 | }; | |
c6f7c6cb | 78 | Int_t AliTRDReconstructor::fgNTimeBins = -1; |
952051c5 | 79 | const Float_t AliTRDReconstructor::fgkMinClustersInTrack = 0.5; // |
80 | const Float_t AliTRDReconstructor::fgkLabelFraction = 0.8; // | |
81 | const Double_t AliTRDReconstructor::fgkMaxChi2 = 12.0; // | |
82 | const Double_t AliTRDReconstructor::fgkMaxSnp = 0.95; // Maximum local sine of the azimuthal angle | |
83 | const Double_t AliTRDReconstructor::fgkMaxStep = 2.0; // Maximal step size in propagation | |
84 | const Double_t AliTRDReconstructor::fgkEpsilon = 1.e-5; // Precision of radial coordinate | |
b72f4eaf | 85 | |
eb38ed55 | 86 | //_____________________________________________________________________________ |
3a039a31 | 87 | AliTRDReconstructor::AliTRDReconstructor() |
88 | :AliReconstructor() | |
97b6dfac | 89 | ,fSteerParam(0) |
5127281e | 90 | ,fClusterizer(NULL) |
3a039a31 | 91 | { |
97b6dfac | 92 | // setting default "ON" steering parameters |
89971837 | 93 | // owner of debug streamers |
94 | SETFLG(fSteerParam, kOwner); | |
97b6dfac | 95 | // write clusters [cw] |
96 | SETFLG(fSteerParam, kWriteClusters); | |
97 | // track seeding (stand alone tracking) [sa] | |
9dcc64cc | 98 | //SETFLG(fSteerParam, kSeeding); |
8fc736d7 | 99 | // Cluster radial correction during reconstruction [cc] |
b30d8c09 | 100 | //SETFLG(fSteerParam, kClRadialCorr); |
a2fbb6ec | 101 | memset(fDebugStream, 0, sizeof(TTreeSRedirector *) * AliTRDrecoParam::kTRDreconstructionTasks); |
eb38ed55 | 102 | } |
103 | ||
48f8adf3 | 104 | //_____________________________________________________________________________ |
105 | AliTRDReconstructor::~AliTRDReconstructor() | |
106 | { | |
d39401ad | 107 | // |
108 | // Destructor | |
109 | // | |
110 | ||
48f8adf3 | 111 | if(fgClusters) { |
6d54fcbf | 112 | fgClusters->Delete(); |
113 | delete fgClusters; | |
114 | fgClusters = NULL; | |
48f8adf3 | 115 | } |
a5b99acd | 116 | if(fgTracklets) { |
6d54fcbf | 117 | fgTracklets->Delete(); |
118 | delete fgTracklets; | |
119 | fgTracklets = NULL; | |
a5b99acd | 120 | } |
f29f13a6 | 121 | if(fSteerParam&kOwner){ |
a2fbb6ec | 122 | for(Int_t itask = 0; itask < AliTRDrecoParam::kTRDreconstructionTasks; itask++) |
29f95561 | 123 | if(fDebugStream[itask]) delete fDebugStream[itask]; |
124 | } | |
5127281e | 125 | if(fClusterizer){ |
126 | delete fClusterizer; | |
127 | fClusterizer = NULL; | |
128 | } | |
18c05eb3 | 129 | } |
48f8adf3 | 130 | |
91834b8d | 131 | |
acd241e9 | 132 | //_____________________________________________________________________________ |
91834b8d | 133 | void AliTRDReconstructor::Init(){ |
18c05eb3 | 134 | // |
135 | // Init Options | |
136 | // | |
18c05eb3 | 137 | SetOption(GetOption()); |
a2fbb6ec | 138 | Options(fSteerParam); |
139 | ||
5127281e | 140 | if(!fClusterizer){ |
141 | fClusterizer = new AliTRDclusterizer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]); | |
142 | fClusterizer->SetReconstructor(this); | |
143 | } | |
144 | ||
a2fbb6ec | 145 | // Make Debug Streams when Debug Streaming |
146 | if(IsDebugStreaming()){ | |
147 | for(Int_t task = 0; task < AliTRDrecoParam::kTRDreconstructionTasks; task++){ | |
148 | TDirectory *savedir = gDirectory; | |
149 | fDebugStream[task] = new TTreeSRedirector(Form("TRD.Debug%s.root", fgTaskNames[task])); | |
150 | savedir->cd(); | |
151 | SETFLG(fSteerParam, kOwner); | |
152 | } | |
153 | } | |
acd241e9 | 154 | } |
0397ce53 | 155 | |
121a60bd | 156 | //_____________________________________________________________________________ |
a8fbb161 | 157 | void AliTRDReconstructor::ConvertDigits(AliRawReader *rawReader |
91834b8d | 158 | , TTree *digitsTree) const |
121a60bd | 159 | { |
3bc9d03e | 160 | // |
25ca55ce | 161 | // Convert raw data digits into digit objects in a root tree |
3bc9d03e | 162 | // |
121a60bd | 163 | |
ad5dd6ec | 164 | //AliInfo("Convert raw data digits into digit objects [RawReader -> Digit TTree]"); |
91834b8d | 165 | |
a8fbb161 | 166 | AliTRDrawData rawData; |
3a0f6479 | 167 | rawReader->Reset(); |
168 | rawReader->Select("TRD"); | |
a8fbb161 | 169 | AliTRDdigitsManager *manager = rawData.Raw2Digits(rawReader); |
170 | manager->MakeBranch(digitsTree); | |
171 | manager->WriteDigits(); | |
c0ab62ff | 172 | delete manager; |
0ee00e25 | 173 | |
121a60bd | 174 | } |
175 | ||
25ca55ce | 176 | //_____________________________________________________________________________ |
177 | void AliTRDReconstructor::Reconstruct(AliRawReader *rawReader | |
178 | , TTree *clusterTree) const | |
179 | { | |
180 | // | |
181 | // Reconstruct clusters | |
182 | // | |
183 | ||
91834b8d | 184 | //AliInfo("Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]"); |
185 | ||
186 | ||
3a0f6479 | 187 | rawReader->Reset(); |
188 | rawReader->Select("TRD"); | |
189 | ||
5127281e | 190 | if(!fClusterizer){ |
191 | AliFatal("Clusterizer not available!"); | |
192 | return; | |
193 | } | |
194 | ||
da0a4b87 | 195 | fClusterizer->ResetRecPoints(); |
196 | ||
5127281e | 197 | fClusterizer->OpenOutput(clusterTree); |
5127281e | 198 | fClusterizer->SetUseLabels(kFALSE); |
199 | fClusterizer->Raw2ClustersChamber(rawReader); | |
66f6bfd9 | 200 | |
3e1f6592 | 201 | fgNTimeBins = fClusterizer->GetNTimeBins(); |
202 | ||
66f6bfd9 | 203 | if(IsWritingClusters()) return; |
d6e36038 | 204 | |
66f6bfd9 | 205 | // take over ownership of clusters |
5127281e | 206 | fgClusters = fClusterizer->RecPoints(); |
207 | fClusterizer->SetClustersOwner(kFALSE); | |
a5b99acd | 208 | |
209 | // take over ownership of online tracklets | |
5127281e | 210 | fgTracklets = fClusterizer->TrackletsArray(); |
211 | fClusterizer->SetTrackletsOwner(kFALSE); | |
25ca55ce | 212 | } |
213 | ||
214 | //_____________________________________________________________________________ | |
a8fbb161 | 215 | void AliTRDReconstructor::Reconstruct(TTree *digitsTree |
216 | , TTree *clusterTree) const | |
25ca55ce | 217 | { |
218 | // | |
219 | // Reconstruct clusters | |
220 | // | |
e4f2f73d | 221 | |
91834b8d | 222 | //AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]"); |
a2fbb6ec | 223 | |
c665eaa7 | 224 | AliTRDclusterizer clusterer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]); |
225 | clusterer.SetReconstructor(this); | |
226 | clusterer.OpenOutput(clusterTree); | |
227 | clusterer.ReadDigits(digitsTree); | |
228 | clusterer.MakeClusters(); | |
d6e36038 | 229 | |
3e1f6592 | 230 | fgNTimeBins = clusterer.GetNTimeBins(); |
231 | ||
66f6bfd9 | 232 | if(IsWritingClusters()) return; |
233 | ||
234 | // take over ownership of clusters | |
c665eaa7 | 235 | fgClusters = clusterer.RecPoints(); |
236 | clusterer.SetClustersOwner(kFALSE); | |
a5b99acd | 237 | |
238 | // take over ownership of online tracklets | |
c665eaa7 | 239 | fgTracklets = clusterer.TrackletsArray(); |
240 | clusterer.SetTrackletsOwner(kFALSE); | |
241 | ||
25ca55ce | 242 | } |
243 | ||
244 | //_____________________________________________________________________________ | |
44dbae42 | 245 | AliTracker *AliTRDReconstructor::CreateTracker() const |
121a60bd | 246 | { |
3bc9d03e | 247 | // |
248 | // Create a TRD tracker | |
249 | // | |
121a60bd | 250 | |
e4f2f73d | 251 | //return new AliTRDtracker(NULL); |
3a039a31 | 252 | AliTRDtrackerV1 *tracker = new AliTRDtrackerV1(); |
253 | tracker->SetReconstructor(this); | |
254 | return tracker; | |
25ca55ce | 255 | |
25ca55ce | 256 | } |
257 | ||
258 | //_____________________________________________________________________________ | |
259 | void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/ | |
91834b8d | 260 | , TTree* /*clusterTree*/ |
261 | , AliESDEvent* /*esd*/) const | |
25ca55ce | 262 | { |
263 | // | |
af26ce80 | 264 | // Fill ESD |
25ca55ce | 265 | // |
266 | ||
25ca55ce | 267 | } |
3a039a31 | 268 | |
3a039a31 | 269 | //_____________________________________________________________________________ |
270 | void AliTRDReconstructor::SetOption(Option_t *opt) | |
271 | { | |
d39401ad | 272 | // |
273 | // Read option string into the steer param. | |
274 | // | |
954135b1 | 275 | // The following string options are available during reconstruction. |
276 | // In square brackets the default values are given. | |
277 | // "dc" : digits conversion [false] | |
278 | // "cw" : write clusters [true] | |
279 | // "tw" : write online tracklets [false] | |
280 | // "sa" : track seeding (stand alone tracking) [true] | |
281 | // "hlt" : HLT reconstruction [false] | |
282 | // "tp" : also use online tracklets for reconstruction [false] | |
283 | // "deb" : Write debug stream [false] | |
284 | // "cc" : Cluster radial correction during reconstruction [false] | |
285 | // | |
286 | // To check the actual options used during reconstruction include the following line in your rec.C script | |
287 | // AliLog::SetClassDebugLevel("AliTRDReconstructor", 1); | |
97b6dfac | 288 | |
289 | AliReconstructor::SetOption(opt); | |
3a039a31 | 290 | |
291 | TString s(opt); | |
292 | TObjArray *opar = s.Tokenize(","); | |
293 | for(Int_t ipar=0; ipar<opar->GetEntriesFast(); ipar++){ | |
d39401ad | 294 | Bool_t processed = kFALSE; |
3a039a31 | 295 | TString sopt(((TObjString*)(*opar)[ipar])->String()); |
b72f4eaf | 296 | for(Int_t iopt=0; iopt<kNsteer; iopt++){ |
297 | if(!sopt.Contains(fgSteerFlags[iopt])) continue; | |
298 | SETFLG(fSteerParam, BIT(iopt)); | |
299 | if(sopt.Contains("!")) CLRFLG(fSteerParam, BIT(iopt)); | |
d39401ad | 300 | processed = kTRUE; |
b72f4eaf | 301 | break; |
302 | } | |
d39401ad | 303 | if(processed) continue; |
b72f4eaf | 304 | |
305 | AliWarning(Form("Unknown option flag %s.", sopt.Data())); | |
3a039a31 | 306 | } |
307 | } | |
308 | ||
acd241e9 | 309 | //_____________________________________________________________________________ |
a2fbb6ec | 310 | void AliTRDReconstructor::Options(UInt_t steer) |
b72f4eaf | 311 | { |
d39401ad | 312 | // |
313 | // Print the options | |
314 | // | |
315 | ||
b72f4eaf | 316 | for(Int_t iopt=0; iopt<kNsteer; iopt++){ |
9e8fdff4 | 317 | AliDebugGeneral("AliTRDReconstructor", 1, Form(" %s[%s]%s", fgSteerNames[iopt], fgSteerFlags[iopt], steer ?(((steer>>iopt)&1)?" : ON":" : OFF"):"")); |
b72f4eaf | 318 | } |
b72f4eaf | 319 | } |
320 |