Finally a working version of raw-data event cloning. It turned out to be quite diffic...
[u/mrichter/AliRoot.git] / HLT / global / AliHLTGlobalEsdConverterComponent.cxx
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a1408c4b 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//* for The ALICE HLT Project. *
9//* *
10//* Permission to use, copy, modify and distribute this software and its *
11//* documentation strictly for non-commercial purposes is hereby granted *
12//* without fee, provided that the above copyright notice appears in all *
13//* copies and that both the copyright notice and this permission notice *
14//* appear in the supporting documentation. The authors make no claims *
15//* about the suitability of this software for any purpose. It is *
16//* provided "as is" without express or implied warranty. *
17//**************************************************************************
18
19/** @file AliHLTGlobalEsdConverterComponent.cxx
20 @author Matthias Richter
21 @date
22 @brief Global ESD converter component.
23*/
24
25// see header file for class documentation
26// or
27// refer to README to build package
28// or
29// visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
30
31#include <cassert>
32#include "AliHLTGlobalEsdConverterComponent.h"
33#include "AliHLTGlobalBarrelTrack.h"
34#include "AliHLTExternalTrackParam.h"
093b64dc 35#include "AliHLTTrackMCLabel.h"
a1408c4b 36#include "AliESDEvent.h"
37#include "AliESDtrack.h"
38#include "AliCDBEntry.h"
39#include "AliCDBManager.h"
18ada816 40#include "AliPID.h"
a1408c4b 41#include "TTree.h"
42#include "TList.h"
43
44/** ROOT macro for the implementation of ROOT specific class methods */
45ClassImp(AliHLTGlobalEsdConverterComponent)
46
47AliHLTGlobalEsdConverterComponent::AliHLTGlobalEsdConverterComponent()
48 : AliHLTProcessor()
a1408c4b 49 , fWriteTree(0)
093b64dc 50 , fVerbosity(0)
8b7a0f3c 51 , fESD(NULL)
52 , fSolenoidBz(5)
a1408c4b 53{
54 // see header file for class documentation
55 // or
56 // refer to README to build package
57 // or
58 // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
59}
60
61AliHLTGlobalEsdConverterComponent::~AliHLTGlobalEsdConverterComponent()
62{
63 // see header file for class documentation
64 if (fESD) delete fESD;
65 fESD=NULL;
66}
67
68int AliHLTGlobalEsdConverterComponent::Configure(const char* arguments)
69{
70 // see header file for class documentation
71 int iResult=0;
72 if (!arguments) return iResult;
73
74 TString allArgs=arguments;
75 TString argument;
76 int bMissingParam=0;
77
78 TObjArray* pTokens=allArgs.Tokenize(" ");
79 if (pTokens) {
80 for (int i=0; i<pTokens->GetEntries() && iResult>=0; i++) {
81 argument=((TObjString*)pTokens->At(i))->GetString();
82 if (argument.IsNull()) continue;
83
84 if (argument.CompareTo("-solenoidBz")==0) {
85 if ((bMissingParam=(++i>=pTokens->GetEntries()))) break;
86 HLTInfo("Magnetic Field set to: %s", ((TObjString*)pTokens->At(i))->GetString().Data());
87 fSolenoidBz=((TObjString*)pTokens->At(i))->GetString().Atof();
88 continue;
89 } else {
90 HLTError("unknown argument %s", argument.Data());
91 iResult=-EINVAL;
92 break;
93 }
94 }
95 delete pTokens;
96 }
97 if (bMissingParam) {
98 HLTError("missing parameter for argument %s", argument.Data());
99 iResult=-EINVAL;
100 }
101
102 return iResult;
103}
104
105int AliHLTGlobalEsdConverterComponent::Reconfigure(const char* cdbEntry, const char* chainId)
106{
107 // see header file for class documentation
108 int iResult=0;
109 const char* path=kAliHLTCDBSolenoidBz;
110 const char* defaultNotify="";
111 if (cdbEntry) {
112 path=cdbEntry;
113 defaultNotify=" (default)";
114 }
115 if (path) {
116 HLTInfo("reconfigure from entry %s%s, chain id %s", path, defaultNotify,(chainId!=NULL && chainId[0]!=0)?chainId:"<none>");
117 AliCDBEntry *pEntry = AliCDBManager::Instance()->Get(path/*,GetRunNo()*/);
118 if (pEntry) {
119 TObjString* pString=dynamic_cast<TObjString*>(pEntry->GetObject());
120 if (pString) {
121 HLTInfo("received configuration object string: \'%s\'", pString->GetString().Data());
122 iResult=Configure(pString->GetString().Data());
123 } else {
124 HLTError("configuration object \"%s\" has wrong type, required TObjString", path);
125 }
126 } else {
127 HLTError("can not fetch object \"%s\" from CDB", path);
128 }
129 }
130
131 return iResult;
132}
133
134void AliHLTGlobalEsdConverterComponent::GetInputDataTypes(AliHLTComponentDataTypeList& list)
135{
136 // see header file for class documentation
137 list.push_back(kAliHLTDataTypeTrack);
138 list.push_back(kAliHLTDataTypeTrackMC);
139}
140
141AliHLTComponentDataType AliHLTGlobalEsdConverterComponent::GetOutputDataType()
142{
143 // see header file for class documentation
7a9de6d1 144 return kAliHLTDataTypeESDObject|kAliHLTDataOriginOut;
a1408c4b 145}
146
147void AliHLTGlobalEsdConverterComponent::GetOutputDataSize(unsigned long& constBase, double& inputMultiplier)
148{
149 // see header file for class documentation
150 constBase=2000000;
151 inputMultiplier=10.0;
152}
153
154int AliHLTGlobalEsdConverterComponent::DoInit(int argc, const char** argv)
155{
156 // see header file for class documentation
157 int iResult=0;
158 TString argument="";
159 int bMissingParam=0;
160 for (int i=0; i<argc && iResult>=0; i++) {
161 argument=argv[i];
162 if (argument.IsNull()) continue;
163
164 // -notree
165 if (argument.CompareTo("-notree")==0) {
166 fWriteTree=0;
167
168 // -tree
169 } else if (argument.CompareTo("-tree")==0) {
170 fWriteTree=1;
171
172 } else {
173 HLTError("unknown argument %s", argument.Data());
174 break;
175 }
176 }
177 if (bMissingParam) {
178 HLTError("missing parameter for argument %s", argument.Data());
179 iResult=-EINVAL;
180 }
181
182 if (iResult>=0) {
183 iResult=Reconfigure(NULL, NULL);
184 }
185
186 if (iResult>=0) {
187 fESD = new AliESDEvent;
188 if (fESD) {
189 fESD->CreateStdContent();
190 } else {
191 iResult=-ENOMEM;
192 }
193 }
194
195 return iResult;
196}
197
198int AliHLTGlobalEsdConverterComponent::DoDeinit()
199{
200 // see header file for class documentation
201 if (fESD) delete fESD;
202 fESD=NULL;
203
204 return 0;
205}
206
207int AliHLTGlobalEsdConverterComponent::DoEvent(const AliHLTComponentEventData& /*evtData*/,
208 AliHLTComponentTriggerData& /*trigData*/)
209{
210 // see header file for class documentation
211 int iResult=0;
212 if (!fESD) return -ENODEV;
213
214 AliESDEvent* pESD = fESD;
215
216 pESD->Reset();
217 pESD->SetMagneticField(fSolenoidBz);
6700298e 218 pESD->SetPeriodNumber(GetPeriodNumber());
219 pESD->SetOrbitNumber(GetOrbitNumber());
220 pESD->SetBunchCrossNumber(GetBunchCrossNumber());
221 pESD->SetTimeStamp(GetTimeStamp());
a1408c4b 222
223 TTree* pTree = NULL;
224 if (fWriteTree)
225 pTree = new TTree("esdTree", "Tree with HLT ESD objects");
226
227 if (pTree) {
228 pTree->SetDirectory(0);
229 }
230
81509fd3 231 if ((iResult=ProcessBlocks(pTree, pESD))>=0) {
a1408c4b 232 // TODO: set the specification correctly
233 if (pTree) {
234 // the esd structure is written to the user info and is
235 // needed in te ReadFromTree method to read all objects correctly
236 pTree->GetUserInfo()->Add(pESD);
237 pESD->WriteToTree(pTree);
7a9de6d1 238 iResult=PushBack(pTree, kAliHLTDataTypeESDTree|kAliHLTDataOriginOut, 0);
a1408c4b 239 } else {
7a9de6d1 240 iResult=PushBack(pESD, kAliHLTDataTypeESDObject|kAliHLTDataOriginOut, 0);
a1408c4b 241 }
242 }
243 if (pTree) {
244 // clear user info list to prevent objects from being deleted
245 pTree->GetUserInfo()->Clear();
246 delete pTree;
247 }
248 return iResult;
249}
250
251int AliHLTGlobalEsdConverterComponent::ProcessBlocks(TTree* pTree, AliESDEvent* pESD)
252{
253 // see header file for class documentation
254
255 int iResult=0;
256 int iAddedDataBlocks=0;
257
258 // Barrel tracking
259
260 // in the first attempt this component reads the TPC tracks and updates in the
261 // second step from the ITS tracks
093b64dc 262
263
264 // first read MC information (if present)
265 std::map<int,int> mcLabels;
266
267 for (const AliHLTComponentBlockData* pBlock=GetFirstInputBlock(kAliHLTDataTypeTrackMC|kAliHLTDataOriginTPC);
268 pBlock!=NULL; pBlock=GetNextInputBlock()) {
269 AliHLTTrackMCData* dataPtr = reinterpret_cast<AliHLTTrackMCData*>( pBlock->fPtr );
270 if (sizeof(AliHLTTrackMCData)+dataPtr->fCount*sizeof(AliHLTTrackMCLabel)==pBlock->fSize) {
271 for( unsigned int il=0; il<dataPtr->fCount; il++ ){
272 AliHLTTrackMCLabel &lab = dataPtr->fLabels[il];
273 mcLabels[lab.fTrackID] = lab.fMCLabel;
274 }
275 } else {
276 HLTWarning("data mismatch in block %s (0x%08x): count %d, size %d -> ignoring track MC information",
277 DataType2Text(pBlock->fDataType).c_str(), pBlock->fSpecification,
278 dataPtr->fCount, pBlock->fSize);
279 }
280 }
281
cd60a73f 282 // convert the TPC tracks to ESD tracks
a1408c4b 283 for (const AliHLTComponentBlockData* pBlock=GetFirstInputBlock(kAliHLTDataTypeTrack|kAliHLTDataOriginTPC);
284 pBlock!=NULL; pBlock=GetNextInputBlock()) {
285 vector<AliHLTGlobalBarrelTrack> tracks;
81509fd3 286 if ((iResult=AliHLTGlobalBarrelTrack::ConvertTrackDataArray(reinterpret_cast<const AliHLTTracksData*>(pBlock->fPtr), pBlock->fSize, tracks))>=0) {
a1408c4b 287 for (vector<AliHLTGlobalBarrelTrack>::iterator element=tracks.begin();
288 element!=tracks.end(); element++) {
289 Float_t points[4] = {
290 element->GetX(),
291 element->GetY(),
292 element->GetLastPointX(),
293 element->GetLastPointY()
294 };
093b64dc 295
296 Int_t mcLabel = -1;
297 if( mcLabels.find(element->TrackID())!=mcLabels.end() )
298 mcLabel = mcLabels[element->TrackID()];
299 element->SetLabel( mcLabel );
300
a1408c4b 301 AliESDtrack iotrack;
302 iotrack.UpdateTrackParams(&(*element),AliESDtrack::kTPCin);
303 iotrack.SetTPCPoints(points);
304
305 pESD->AddTrack(&iotrack);
093b64dc 306 if (fVerbosity>0) element->Print();
a1408c4b 307 }
093b64dc 308 HLTInfo("converted %d track(s) to AliESDtrack and added to ESD", tracks.size());
a1408c4b 309 iAddedDataBlocks++;
310 } else if (iResult<0) {
093b64dc 311 HLTError("can not extract tracks from data block of type %s (specification %08x) of size %d: error %d",
312 DataType2Text(pBlock->fDataType).c_str(), pBlock->fSpecification, pBlock->fSize, iResult);
a1408c4b 313 }
314 }
315
cd60a73f 316 // now update ESD tracks with the ITS info
af3250a3 317 for (const AliHLTComponentBlockData* pBlock=GetFirstInputBlock(kAliHLTDataTypeTrack|kAliHLTDataOriginITS);
cd60a73f 318 pBlock!=NULL; pBlock=GetNextInputBlock()) {
319 vector<AliHLTGlobalBarrelTrack> tracks;
320 if ((iResult=AliHLTGlobalBarrelTrack::ConvertTrackDataArray(reinterpret_cast<const AliHLTTracksData*>(pBlock->fPtr), pBlock->fSize, tracks))>0) {
321 for (vector<AliHLTGlobalBarrelTrack>::iterator element=tracks.begin();
322 element!=tracks.end(); element++) {
323 int ncl=0;
324 const UInt_t* pointsArray=element->GetPoints();
325 for( unsigned il=0; il<element->GetNumberOfPoints(); il++ ){
326 // TODO: check what needs to be done with the clusters
327 if( pointsArray[il]<~(UInt_t)0 ) {/*tITS.SetClusterIndex(ncl, tr.fClusterIds[il]);*/}
328 ncl++;
a1408c4b 329 }
cd60a73f 330 //tITS.SetNumberOfClusters( ncl );
331 int tpcID=element->TrackID();
332 // the ITS tracker assigns the TPC track used as seed for a certain track to
333 // the trackID
334 if( tpcID<0 || tpcID>=pESD->GetNumberOfTracks()) continue;
335
336 AliESDtrack *tESD = pESD->GetTrack( tpcID );
337 if( tESD ) tESD->UpdateTrackParams( &(*element), AliESDtrack::kITSin );
a1408c4b 338 }
cd60a73f 339 }
340 }
18ada816 341
342 // convert the HLT TRD tracks to ESD tracks
343 for (const AliHLTComponentBlockData* pBlock=GetFirstInputBlock(kAliHLTDataTypeTrack | kAliHLTDataOriginTRD);
344 pBlock!=NULL; pBlock=GetNextInputBlock()) {
345 vector<AliHLTGlobalBarrelTrack> tracks;
346 if ((iResult=AliHLTGlobalBarrelTrack::ConvertTrackDataArray(reinterpret_cast<const AliHLTTracksData*>(pBlock->fPtr), pBlock->fSize, tracks))>0) {
347 for (vector<AliHLTGlobalBarrelTrack>::iterator element=tracks.begin();
348 element!=tracks.end(); element++) {
349
350 Double_t TRDpid[AliPID::kSPECIES], eProb(0.2), restProb((1-eProb)/(AliPID::kSPECIES-1)); //eprob(element->GetTRDpid...);
351 for(Int_t i=0; i<AliPID::kSPECIES; i++){
352 switch(i){
353 case AliPID::kElectron: TRDpid[AliPID::kElectron]=eProb; break;
354 default: TRDpid[i]=restProb; break;
355 }
356 }
357
358 AliESDtrack iotrack;
359 iotrack.UpdateTrackParams(&(*element),AliESDtrack::kTRDin);
360 iotrack.SetTRDpid(TRDpid);
361
362 pESD->AddTrack(&iotrack);
363 if (fVerbosity>0) element->Print();
364 }
365 HLTInfo("converted %d track(s) to AliESDtrack and added to ESD", tracks.size());
366 iAddedDataBlocks++;
367 } else if (iResult<0) {
368 HLTError("can not extract tracks from data block of type %s (specification %08x) of size %d: error %d",
369 DataType2Text(pBlock->fDataType).c_str(), pBlock->fSpecification, pBlock->fSize, iResult);
370 }
371 }
a1408c4b 372
373 // primary vertex & V0's
cd60a73f 374 /*
a1408c4b 375 //AliHLTVertexer vertexer;
376 //vertexer.SetESD( pESD );
377 //vertexer.FindPrimaryVertex();
378 //vertexer.FindV0s();
379 */
380 if (iAddedDataBlocks>0 && pTree) {
cd60a73f 381 pTree->Fill();
a1408c4b 382 }
383
384 if (iResult>=0) iResult=iAddedDataBlocks;
385 return iResult;
386}