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1ac82ce6 | 1 | // $Id$ |
2 | ||
3 | //************************************************************************** | |
4 | //* This file is property of and copyright by the ALICE HLT Project * | |
5 | //* ALICE Experiment at CERN, All rights reserved. * | |
6 | //* * | |
7 | //* Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> * | |
8 | //* * | |
9 | //* Permission to use, copy, modify and distribute this software and its * | |
10 | //* documentation strictly for non-commercial purposes is hereby granted * | |
11 | //* without fee, provided that the above copyright notice appears in all * | |
12 | //* copies and that both the copyright notice and this permission notice * | |
13 | //* appear in the supporting documentation. The authors make no claims * | |
14 | //* about the suitability of this software for any purpose. It is * | |
15 | //* provided "as is" without express or implied warranty. * | |
16 | //************************************************************************** | |
17 | ||
18 | /** @file AliHLTTPCOfflineTrackerComponent.cxx | |
1726bb2d | 19 | @author Jacek Otwinowski & Matthias Richter |
1ac82ce6 | 20 | @date |
21 | @brief Wrapper component to the TPC offline tracker | |
22 | */ | |
23 | ||
24 | #include "AliHLTTPCOfflineTrackerComponent.h" | |
25 | #include "TString.h" | |
89c2e505 | 26 | #include "TClonesArray.h" |
1ac82ce6 | 27 | #include "TObjArray.h" |
28 | #include "TObjString.h" | |
e642ae99 | 29 | #include "AliVParticle.h" |
30 | #include "AliCDBManager.h" | |
31 | #include "AliCDBEntry.h" | |
32 | #include "AliGeomManager.h" | |
33 | #include "AliMagFMaps.h" | |
89c2e505 | 34 | #include "AliTPCReconstructor.h" |
aa40a4a1 | 35 | #include "AliTPCParam.h" |
89c2e505 | 36 | #include "AliTPCRecoParam.h" |
aa40a4a1 | 37 | #include "AliTPCParamSR.h" |
38 | #include "AliTPCtrackerMI.h" | |
39 | #include "AliTPCClustersRow.h" | |
89c2e505 | 40 | #include "AliTPCseed.h" |
aa40a4a1 | 41 | #include "AliESDEvent.h" |
e642ae99 | 42 | #include "AliESDfriend.h" |
aa40a4a1 | 43 | #include "AliHLTTPCDefinitions.h" |
1ac82ce6 | 44 | |
45 | /** ROOT macro for the implementation of ROOT specific class methods */ | |
46 | ClassImp(AliHLTTPCOfflineTrackerComponent) | |
47 | ||
aa40a4a1 | 48 | AliHLTTPCOfflineTrackerComponent::AliHLTTPCOfflineTrackerComponent() : AliHLTProcessor(), |
e642ae99 | 49 | fGeometryFileName(""), |
aa40a4a1 | 50 | fTPCGeomParam(0), |
51 | fTracker(0), | |
e642ae99 | 52 | fESD(0), |
53 | fESDfriend(0) | |
1ac82ce6 | 54 | { |
e642ae99 | 55 | // Default constructor |
56 | fGeometryFileName = getenv("ALICE_ROOT"); | |
57 | fGeometryFileName += "/HLT/TPCLib/offline/geometry.root"; | |
1ac82ce6 | 58 | } |
59 | ||
60 | AliHLTTPCOfflineTrackerComponent::~AliHLTTPCOfflineTrackerComponent() | |
61 | { | |
62 | // see header file for class documentation | |
63 | } | |
64 | ||
65 | const char* AliHLTTPCOfflineTrackerComponent::GetComponentID() | |
66 | { | |
67 | // see header file for class documentation | |
68 | return "TPCOfflineTracker"; | |
69 | } | |
70 | ||
71 | void AliHLTTPCOfflineTrackerComponent::GetInputDataTypes( vector<AliHLTComponentDataType>& list) | |
72 | { | |
aa40a4a1 | 73 | // get input data type |
74 | list.push_back(kAliHLTDataTypeTObjArray|kAliHLTDataOriginTPC/*AliHLTTPCDefinitions::fgkOfflineClustersDataType*/); | |
1ac82ce6 | 75 | } |
76 | ||
77 | AliHLTComponentDataType AliHLTTPCOfflineTrackerComponent::GetOutputDataType() | |
78 | { | |
aa40a4a1 | 79 | // create output data type |
80 | return kAliHLTDataTypeESDObject|kAliHLTDataOriginTPC/*AliHLTTPCDefinitions::fgkOfflineTrackSegmentsDataType*/; | |
1ac82ce6 | 81 | } |
82 | ||
83 | void AliHLTTPCOfflineTrackerComponent::GetOutputDataSize(unsigned long& constBase, double& inputMultiplier) | |
84 | { | |
aa40a4a1 | 85 | // get output data size |
86 | constBase = 2000000; | |
e642ae99 | 87 | inputMultiplier = 1; |
1ac82ce6 | 88 | } |
89 | ||
90 | AliHLTComponent* AliHLTTPCOfflineTrackerComponent::Spawn() | |
91 | { | |
aa40a4a1 | 92 | // create instance of the component |
1ac82ce6 | 93 | return new AliHLTTPCOfflineTrackerComponent; |
94 | } | |
95 | ||
96 | int AliHLTTPCOfflineTrackerComponent::DoInit( int argc, const char** argv ) | |
97 | { | |
aa40a4a1 | 98 | // init configuration |
99 | // | |
1ac82ce6 | 100 | int iResult=0; |
c03e064d | 101 | #ifdef HAVE_NOT_TPCOFFLINE_REC |
102 | HLTFatal("AliRoot version > v4-13-Release required"); | |
103 | return -ENOSYS; | |
aa40a4a1 | 104 | #endif |
1ac82ce6 | 105 | |
106 | TString argument=""; | |
107 | TString configuration=""; | |
108 | int bMissingParam=0; | |
e642ae99 | 109 | |
110 | // loop over input parameters | |
1ac82ce6 | 111 | for (int i=0; i<argc && iResult>=0; i++) { |
112 | argument=argv[i]; | |
113 | if (argument.IsNull()) continue; | |
114 | ||
e642ae99 | 115 | if (argument.CompareTo("-geometry")==0) { |
116 | if ((bMissingParam=(++i>=argc))) break; | |
117 | ||
118 | HLTInfo("got \'-geometry\' argument: %s", argv[i]); | |
119 | fGeometryFileName = argv[i]; | |
120 | HLTInfo("Geometry file is: %s", fGeometryFileName.c_str()); | |
121 | ||
122 | // the remaining arguments are treated as configuration | |
123 | } else { | |
124 | if (!configuration.IsNull()) configuration+=" "; | |
125 | configuration+=argument; | |
126 | } | |
127 | } // end loop | |
128 | ||
1ac82ce6 | 129 | if (bMissingParam) { |
130 | HLTError("missing parameter for argument %s", argument.Data()); | |
131 | iResult=-EINVAL; | |
132 | } | |
133 | ||
134 | if (iResult>=0 && !configuration.IsNull()) { | |
135 | iResult=Configure(configuration.Data()); | |
136 | } else { | |
137 | iResult=Reconfigure(NULL, NULL); | |
138 | } | |
139 | ||
e642ae99 | 140 | // |
141 | // initialisation | |
142 | // | |
143 | ||
144 | // Load geometry | |
145 | HLTInfo("Geometry file %s",fGeometryFileName.c_str()); | |
146 | AliGeomManager::LoadGeometry(fGeometryFileName.c_str()); | |
147 | if((AliGeomManager::GetGeometry()) == 0) { | |
148 | HLTError("Cannot load geometry from file %s",fGeometryFileName.c_str()); | |
149 | iResult=-EINVAL; | |
150 | } | |
89c2e505 | 151 | |
152 | // TPC reconstruction parameters | |
153 | //AliTPCRecoParam * tpcRecoParam = AliTPCRecoParam::GetLowFluxParam(); | |
154 | AliTPCRecoParam * tpcRecoParam = AliTPCRecoParam::GetHLTParam(); | |
155 | if(tpcRecoParam) { | |
156 | AliTPCReconstructor::SetRecoParam(tpcRecoParam); | |
157 | } | |
e642ae99 | 158 | |
aa40a4a1 | 159 | // TPC geometry parameters |
160 | fTPCGeomParam = new AliTPCParamSR; | |
161 | if (fTPCGeomParam) { | |
162 | fTPCGeomParam->ReadGeoMatrices(); | |
163 | } | |
164 | ||
e642ae99 | 165 | // Init tracker |
aa40a4a1 | 166 | fTracker = new AliTPCtrackerMI(fTPCGeomParam); |
167 | ||
168 | // AliESDEvent event needed by AliTPCtrackerMI | |
169 | // output of the component | |
170 | fESD = new AliESDEvent(); | |
171 | if (fESD) { | |
172 | fESD->CreateStdContent(); | |
aa40a4a1 | 173 | |
e642ae99 | 174 | // add ESD friend |
175 | fESDfriend = new AliESDfriend(); | |
176 | if(fESDfriend) fESD->AddObject(fESDfriend); | |
488581c1 | 177 | } |
178 | ||
aa40a4a1 | 179 | if (!fTracker || !fESD || !fTPCGeomParam) { |
180 | HLTError("failed creating internal objects"); | |
181 | iResult=-ENOMEM; | |
182 | } | |
183 | ||
e642ae99 | 184 | if (iResult>=0) { |
185 | // read the default CDB entries | |
186 | iResult=Reconfigure(NULL, NULL); | |
187 | } | |
188 | ||
1ac82ce6 | 189 | return iResult; |
190 | } | |
191 | ||
192 | int AliHLTTPCOfflineTrackerComponent::DoDeinit() | |
193 | { | |
aa40a4a1 | 194 | // deinit configuration |
195 | ||
196 | if(fTPCGeomParam) delete fTPCGeomParam; fTPCGeomParam = 0; | |
197 | if(fTracker) delete fTracker; fTracker = 0; | |
198 | if(fESD) delete fESD; fESD = 0; | |
e642ae99 | 199 | //Note: fESD is owner of fESDfriends |
aa40a4a1 | 200 | |
1ac82ce6 | 201 | return 0; |
202 | } | |
203 | ||
204 | int AliHLTTPCOfflineTrackerComponent::DoEvent( const AliHLTComponentEventData& /*evtData*/, AliHLTComponentTriggerData& /*trigData*/) | |
205 | { | |
aa40a4a1 | 206 | // tracker function |
207 | HLTInfo("DoEvent processing data"); | |
1ac82ce6 | 208 | |
aa40a4a1 | 209 | int iResult=0; |
89c2e505 | 210 | TClonesArray *clusterArray=0; |
1726bb2d | 211 | TObjArray *seedArray=0; |
e642ae99 | 212 | int slice, patch; |
213 | ||
214 | const AliHLTComponentBlockData* pBlock=GetFirstInputBlock(kAliHLTDataTypeTObjArray|kAliHLTDataOriginTPC); | |
215 | if(!pBlock) { | |
216 | HLTError("Cannot get first data block 0x%08x ",pBlock); | |
217 | iResult=-ENOMEM; return iResult; | |
218 | } | |
219 | int minSlice=AliHLTTPCDefinitions::GetMinSliceNr(pBlock->fSpecification); | |
220 | int maxSlice=AliHLTTPCDefinitions::GetMaxSliceNr(pBlock->fSpecification); | |
221 | int minPatch=AliHLTTPCDefinitions::GetMinPatchNr(pBlock->fSpecification); | |
222 | int maxPatch=AliHLTTPCDefinitions::GetMaxPatchNr(pBlock->fSpecification); | |
aa40a4a1 | 223 | |
224 | if (fTracker && fESD) { | |
89c2e505 | 225 | // loop over input data blocks: TClonesArrays of clusters |
dcb8a00c | 226 | for (TObject *pObj = (TObject *)GetFirstInputObject(kAliHLTDataTypeTObjArray|kAliHLTDataOriginTPC/*AliHLTTPCDefinitions::fgkOfflineClustersDataType*/,"TClonesArray",0); |
aa40a4a1 | 227 | pObj !=0 && iResult>=0; |
228 | pObj = (TObject *)GetNextInputObject(0)) { | |
89c2e505 | 229 | clusterArray = dynamic_cast<TClonesArray*>(pObj); |
aa40a4a1 | 230 | if (!clusterArray) continue; |
aa40a4a1 | 231 | |
89c2e505 | 232 | HLTInfo("load %d clusters from block %s 0x%08x", clusterArray->GetEntries(), DataType2Text(GetDataType(pObj)).c_str(), GetSpecification(pObj)); |
e642ae99 | 233 | slice=AliHLTTPCDefinitions::GetMinSliceNr(GetSpecification(pObj)); |
234 | patch=AliHLTTPCDefinitions::GetMinPatchNr(GetSpecification(pObj)); | |
235 | ||
236 | if(slice < minSlice) minSlice=slice; | |
237 | if(slice > maxSlice) maxSlice=slice; | |
238 | if(patch < minPatch) minPatch=patch; | |
239 | if(patch > maxPatch) maxPatch=patch; | |
c03e064d | 240 | #ifndef HAVE_NOT_TPCOFFLINE_REC |
aa40a4a1 | 241 | fTracker->LoadClusters(clusterArray); |
c03e064d | 242 | #endif //HAVE_NOT_TPCOFFLINE_REC |
89c2e505 | 243 | |
244 | clusterArray->Delete(); | |
aa40a4a1 | 245 | }// end loop over input objects |
246 | ||
89c2e505 | 247 | #ifndef HAVE_NOT_TPCOFFLINE_REC |
248 | // Load outer sectors | |
249 | fTracker->LoadOuterSectors(); | |
250 | // Load inner sectors | |
251 | fTracker->LoadInnerSectors(); | |
252 | #endif | |
253 | ||
488581c1 | 254 | // set magnetic field for the ESD, assumes correct initialization of |
255 | // the field map | |
256 | fESD->SetMagneticField(AliTracker::GetBz()); | |
89c2e505 | 257 | |
aa40a4a1 | 258 | // run tracker |
259 | fTracker->Clusters2Tracks(fESD); | |
1726bb2d | 260 | |
261 | // add TPC seed to the AliESDtrack | |
262 | seedArray = fTracker->GetSeeds(); | |
263 | if(seedArray) { | |
264 | Int_t nseed = seedArray->GetEntriesFast(); | |
265 | HLTInfo("Number TPC seeds %d",nseed); | |
266 | ||
267 | for(Int_t i=0; i<nseed; ++i) { | |
268 | AliTPCseed *seed = (AliTPCseed*)seedArray->UncheckedAt(i); | |
269 | if(!seed) continue; | |
270 | ||
89c2e505 | 271 | //HLTInfo("TPC seed: sec %d, row %d",seed->GetSector(), seed->GetRow()); |
272 | ||
1726bb2d | 273 | AliESDtrack *esdtrack=fESD->GetTrack(i); |
274 | if(esdtrack) esdtrack->AddCalibObject((TObject*)seed); | |
275 | else | |
89c2e505 | 276 | HLTInfo("Cannot add TPC seed to AliESDtrack %d", i); |
1726bb2d | 277 | } |
89c2e505 | 278 | seedArray->Clear(); |
8d644a5d | 279 | } |
1726bb2d | 280 | |
89c2e505 | 281 | // reset ESDs friends (no Reset function!) |
1726bb2d | 282 | fESDfriend->~AliESDfriend(); |
283 | new (fESDfriend) AliESDfriend(); // Reset ... | |
89c2e505 | 284 | |
285 | // add ESDfriend to AliESDEvent | |
1726bb2d | 286 | fESD->GetESDfriend(fESDfriend); |
287 | ||
288 | // unload clusters | |
aa40a4a1 | 289 | fTracker->UnloadClusters(); |
290 | ||
291 | Int_t nTracks = fESD->GetNumberOfTracks(); | |
292 | HLTInfo("Number of tracks %d", nTracks); | |
293 | ||
e642ae99 | 294 | // calculate specification from the specification of input data blocks |
295 | AliHLTUInt32_t iSpecification = AliHLTTPCDefinitions::EncodeDataSpecification( minSlice, maxSlice, minPatch, maxPatch ); | |
296 | HLTInfo("minSlice %d, maxSlice %d, minPatch %d, maxPatch %d", minSlice, maxSlice, minPatch, maxPatch); | |
aa40a4a1 | 297 | |
e642ae99 | 298 | // send data |
299 | PushBack(fESD, kAliHLTDataTypeESDObject|kAliHLTDataOriginTPC, iSpecification); | |
aa40a4a1 | 300 | |
89c2e505 | 301 | // reset ESDs and ESDs friends |
aa40a4a1 | 302 | fESD->Reset(); |
e642ae99 | 303 | |
aa40a4a1 | 304 | } else { |
305 | HLTError("component not initialized"); | |
306 | iResult=-ENOMEM; | |
307 | } | |
308 | ||
309 | return iResult; | |
1ac82ce6 | 310 | } |
311 | ||
312 | int AliHLTTPCOfflineTrackerComponent::Configure(const char* arguments) | |
313 | { | |
314 | // see header file for class documentation | |
315 | int iResult=0; | |
316 | if (!arguments) return iResult; | |
317 | ||
318 | TString allArgs=arguments; | |
319 | TString argument; | |
320 | int bMissingParam=0; | |
321 | ||
322 | TObjArray* pTokens=allArgs.Tokenize(" "); | |
323 | if (pTokens) { | |
324 | for (int i=0; i<pTokens->GetEntries() && iResult>=0; i++) { | |
325 | argument=((TObjString*)pTokens->At(i))->GetString(); | |
326 | if (argument.IsNull()) continue; | |
327 | ||
e642ae99 | 328 | if (argument.CompareTo("-solenoidBz")==0) { |
1ac82ce6 | 329 | if ((bMissingParam=(++i>=pTokens->GetEntries()))) break; |
e642ae99 | 330 | // TODO: check if there is common functionality in the AliMagF* classes |
331 | float SolenoidBz=((TObjString*)pTokens->At(i))->GetString().Atof(); | |
332 | if (SolenoidBz<kAlmost0Field) SolenoidBz=kAlmost0Field; | |
333 | float factor=1.; | |
334 | int map=AliMagFMaps::k2kG; | |
335 | if (SolenoidBz<3.) { | |
336 | map=AliMagFMaps::k2kG; | |
337 | factor=SolenoidBz/2; | |
338 | } else if (SolenoidBz>=3. && SolenoidBz<4.5) { | |
339 | map=AliMagFMaps::k4kG; | |
340 | factor=SolenoidBz/4; | |
341 | } else { | |
342 | map=AliMagFMaps::k5kG; | |
343 | factor=SolenoidBz/5; | |
344 | } | |
345 | // the magnetic field map is not supposed to change | |
346 | // field initialization should be done once in the beginning | |
347 | // TODO: does the factor need adjustment? | |
348 | const AliMagF* currentMap=AliTracker::GetFieldMap(); | |
349 | if (!currentMap) { | |
350 | AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., map); | |
f8880dee | 351 | AliTracker::SetFieldMap(field,kFALSE); |
e642ae99 | 352 | HLTInfo("Solenoid Field set to: %f map %d", SolenoidBz, map); |
353 | } else if (currentMap->Map()!=map) { | |
354 | HLTWarning("omitting request to override field map %s with %s", currentMap->Map(), map); | |
355 | } | |
356 | continue; | |
1ac82ce6 | 357 | } else { |
358 | HLTError("unknown argument %s", argument.Data()); | |
359 | iResult=-EINVAL; | |
360 | break; | |
361 | } | |
362 | } | |
363 | delete pTokens; | |
364 | } | |
365 | if (bMissingParam) { | |
366 | HLTError("missing parameter for argument %s", argument.Data()); | |
367 | iResult=-EINVAL; | |
368 | } | |
369 | return iResult; | |
370 | } | |
371 | ||
e642ae99 | 372 | int AliHLTTPCOfflineTrackerComponent::Reconfigure(const char* cdbEntry, const char* chainId) |
1ac82ce6 | 373 | { |
374 | // see header file for class documentation | |
375 | int iResult=0; | |
e642ae99 | 376 | const char* path=kAliHLTCDBSolenoidBz; |
377 | const char* defaultNotify=""; | |
378 | if (cdbEntry) { | |
379 | path=cdbEntry; | |
380 | defaultNotify=" (default)"; | |
381 | } | |
382 | if (path) { | |
73449074 | 383 | if (chainId) {} // just to get rid of warning, can not comment argument due to debug message |
e642ae99 | 384 | HLTDebug("reconfigure from entry %s%s, chain id %s", path, defaultNotify,(chainId!=NULL && chainId[0]!=0)?chainId:"<none>"); |
385 | AliCDBEntry *pEntry = AliCDBManager::Instance()->Get(path/*,GetRunNo()*/); | |
386 | if (pEntry) { | |
387 | TObjString* pString=dynamic_cast<TObjString*>(pEntry->GetObject()); | |
388 | if (pString) { | |
389 | HLTDebug("received configuration object string: \'%s\'", pString->GetString().Data()); | |
390 | iResult=Configure(pString->GetString().Data()); | |
391 | } else { | |
392 | HLTError("configuration object \"%s\" has wrong type, required TObjString", path); | |
393 | } | |
394 | } else { | |
395 | HLTError("can not fetch object \"%s\" from CDB", path); | |
396 | } | |
397 | } | |
398 | ||
1ac82ce6 | 399 | return iResult; |
400 | } |