]>
Commit | Line | Data |
---|---|---|
1 | // $Id$ | |
2 | //************************************************************************** | |
3 | //* This file is property of and copyright by the ALICE HLT Project * | |
4 | //* ALICE Experiment at CERN, All rights reserved. * | |
5 | //* * | |
6 | //* Primary Authors: Oystein Djuvsland * | |
7 | //* for The ALICE HLT Project. * | |
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 AliHLTTriggerBarrelGeomMultiplicity.cxx | |
19 | /// @author Oystein Djuvsland | |
20 | /// @date 2009-10-08 | |
21 | /// @brief HLT trigger component for charged particle multiplicity | |
22 | /// within a geometrical acceptance in the central barrel. | |
23 | ||
24 | // see header file for class documentation | |
25 | // or | |
26 | // refer to README to build package | |
27 | // or | |
28 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
29 | ||
30 | #include "AliHLTTriggerBarrelGeomMultiplicity.h" | |
31 | #include "AliHLTTriggerDetectorGeom.h" | |
32 | #include "AliHLTTriggerDecisionParameters.h" | |
33 | #include "AliESDEvent.h" | |
34 | #include "AliHLTTriggerDecision.h" | |
35 | #include "AliHLTDomainEntry.h" | |
36 | #include "AliHLTGlobalBarrelTrack.h" | |
37 | #include "TObjArray.h" | |
38 | #include "TObjString.h" | |
39 | #include "AliCDBEntry.h" | |
40 | #include "AliCDBManager.h" | |
41 | #include "TFile.h" | |
42 | #include "AliHLTTrigger.h" | |
43 | ||
44 | /** ROOT macro for the implementation of ROOT specific class methods */ | |
45 | ClassImp(AliHLTTriggerBarrelGeomMultiplicity) | |
46 | ||
47 | AliHLTTriggerBarrelGeomMultiplicity::AliHLTTriggerBarrelGeomMultiplicity() | |
48 | : AliHLTTrigger() | |
49 | , fSolenoidBz(0) | |
50 | , fMinTracks(1) | |
51 | , fDetectorArray(0) | |
52 | , fTriggerDecisionPars(0) | |
53 | , fTriggerName(0) | |
54 | , fOCDBEntry(0) | |
55 | { | |
56 | // see header file for class documentation | |
57 | // or | |
58 | // refer to README to build package | |
59 | // or | |
60 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
61 | ||
62 | fDetectorArray = new TObjArray; | |
63 | ||
64 | } | |
65 | ||
66 | AliHLTTriggerBarrelGeomMultiplicity::~AliHLTTriggerBarrelGeomMultiplicity() | |
67 | { | |
68 | // see header file for class documentation | |
69 | ||
70 | if (fDetectorArray != NULL) delete fDetectorArray; | |
71 | } | |
72 | ||
73 | const char* AliHLTTriggerBarrelGeomMultiplicity::GetTriggerName() const | |
74 | { | |
75 | // see header file for class documentation | |
76 | ||
77 | return "BarrelGeomMultiplicityTrigger"; | |
78 | } | |
79 | ||
80 | AliHLTComponent* AliHLTTriggerBarrelGeomMultiplicity::Spawn() | |
81 | { | |
82 | // see header file for class documentation | |
83 | return new AliHLTTriggerBarrelGeomMultiplicity; | |
84 | } | |
85 | ||
86 | int AliHLTTriggerBarrelGeomMultiplicity::Reconfigure(const char *cdbEntry, const char *chainId) | |
87 | { | |
88 | // see header file for class documentation | |
89 | ||
90 | // configure from the specified entry or the default | |
91 | const char* entry=cdbEntry; | |
92 | ||
93 | if (!entry) | |
94 | { | |
95 | HLTDebug("No CDB path specified"); | |
96 | entry = fOCDBEntry; | |
97 | } | |
98 | ||
99 | return GetDetectorGeomsFromCDBObject(entry, chainId); | |
100 | } | |
101 | ||
102 | int AliHLTTriggerBarrelGeomMultiplicity::DoTrigger() | |
103 | { | |
104 | // see header file for class documentation | |
105 | int iResult=0; | |
106 | int numberOfTracks=-1; | |
107 | ||
108 | if (!fTriggerDecisionPars) { | |
109 | iResult=-ENODEV; | |
110 | } | |
111 | ||
112 | // try the ESD as input | |
113 | const TObject* obj = GetFirstInputObject(kAliHLTAllDataTypes, "AliESDEvent"); | |
114 | AliESDEvent* esd = dynamic_cast<AliESDEvent*>(const_cast<TObject*>(obj)); | |
115 | TString description; | |
116 | ||
117 | if (esd != NULL) | |
118 | { | |
119 | numberOfTracks=0; | |
120 | esd->GetStdContent(); | |
121 | for (Int_t i = 0; i < esd->GetNumberOfTracks(); i++) | |
122 | { | |
123 | if (CheckCondition(esd->GetTrack(i), esd->GetMagneticField())) numberOfTracks++; | |
124 | } | |
125 | } | |
126 | ||
127 | // try the AliHLTExternal track data as input | |
128 | if (iResult>=0 && numberOfTracks<0) | |
129 | { | |
130 | for (const AliHLTComponentBlockData* pBlock=GetFirstInputBlock(kAliHLTDataTypeTrack); | |
131 | pBlock!=NULL; pBlock=GetNextInputBlock()) | |
132 | { | |
133 | if (numberOfTracks<0) numberOfTracks=0; | |
134 | vector<AliHLTGlobalBarrelTrack> tracks; | |
135 | if ((iResult=AliHLTGlobalBarrelTrack::ConvertTrackDataArray(reinterpret_cast<const AliHLTTracksData*>(pBlock->fPtr), pBlock->fSize, tracks))>0) | |
136 | { | |
137 | for (vector<AliHLTGlobalBarrelTrack>::iterator element=tracks.begin(); | |
138 | element!=tracks.end(); element++) | |
139 | { | |
140 | if (CheckCondition(&(*element), fSolenoidBz)) numberOfTracks++; | |
141 | } | |
142 | } | |
143 | else if (iResult<0) | |
144 | { | |
145 | HLTError("can not extract tracks from data block of type %s (specification %08x) of size %d: error %d", | |
146 | DataType2Text(pBlock->fDataType).c_str(), pBlock->fSpecification, pBlock->fSize, iResult); | |
147 | } | |
148 | } | |
149 | } | |
150 | ||
151 | bool condition=false; | |
152 | description="Geometrical conditions not matched"; | |
153 | AliHLTReadoutList readout; | |
154 | ||
155 | if (numberOfTracks>=fMinTracks) | |
156 | { | |
157 | condition=true; | |
158 | description=fTriggerDecisionPars->GetDescription(); | |
159 | readout=fTriggerDecisionPars->GetReadoutListParameter(); | |
160 | HLTDebug("Geometrical acceptance trigger %s triggered", fTriggerDecisionPars->GetTriggerName().Data()); | |
161 | } | |
162 | ||
163 | AliHLTTriggerDecision decision( | |
164 | condition, | |
165 | fTriggerDecisionPars->GetTriggerName().Data(), | |
166 | AliHLTTriggerDomain(readout), | |
167 | description.Data() | |
168 | ); | |
169 | TriggerEvent(&decision, kAliHLTDataTypeTObject|kAliHLTDataOriginOut); | |
170 | ||
171 | return iResult; | |
172 | ||
173 | } | |
174 | ||
175 | ||
176 | template<class T> | |
177 | bool AliHLTTriggerBarrelGeomMultiplicity::CheckCondition(T* track, float b) | |
178 | { | |
179 | ||
180 | bool ret = false; | |
181 | ||
182 | // see header file for class documentation | |
183 | if (!track) return false; | |
184 | ||
185 | ret = IsInDetectors(track, b); | |
186 | ||
187 | return ret; | |
188 | ||
189 | } | |
190 | ||
191 | template<class T> | |
192 | bool AliHLTTriggerBarrelGeomMultiplicity::IsInDetectors(T* track, float b) | |
193 | { | |
194 | // See header file for class documentation | |
195 | for(Int_t i = 0; i < fDetectorArray->GetEntries(); i++) | |
196 | { | |
197 | AliHLTTriggerDetectorGeom *det = static_cast<AliHLTTriggerDetectorGeom*>(fDetectorArray->At(i)); | |
198 | ||
199 | Double_t trackPoint[3]; | |
200 | Double_t normVector[3]; | |
201 | ||
202 | det->GetInitialPoint(trackPoint); | |
203 | det->GetNormVector(normVector); | |
204 | ||
205 | bool ret = track->Intersect(trackPoint, normVector, b); | |
206 | ||
207 | if(ret) | |
208 | { | |
209 | if(det->IsInDetector(trackPoint)) return true; | |
210 | } | |
211 | } | |
212 | return false; | |
213 | } | |
214 | ||
215 | int AliHLTTriggerBarrelGeomMultiplicity::DoInit(int argc, const char** argv) | |
216 | { | |
217 | // see header file for class documentation | |
218 | ||
219 | // first configure the default | |
220 | int iResult=0; | |
221 | ||
222 | // Matthias 05.04.2011 code audit | |
223 | // looks like somebody has to commission this component | |
224 | HLTWarning("this component is not tested and needs most likely a major revision!"); | |
225 | ||
226 | if (iResult>=0 && argc>0) | |
227 | iResult=ConfigureFromArgumentString(argc, argv); | |
228 | ||
229 | if (!fTriggerDecisionPars) { | |
230 | HLTError("decision parameter not initialized"); | |
231 | iResult=-ENODEV; | |
232 | } | |
233 | fSolenoidBz=GetBz(); | |
234 | ||
235 | return iResult; | |
236 | } | |
237 | ||
238 | int AliHLTTriggerBarrelGeomMultiplicity::DoDeinit() | |
239 | { | |
240 | // see header file for class documentation | |
241 | if (fTriggerName) delete fTriggerName; | |
242 | fTriggerName=NULL; | |
243 | return 0; | |
244 | } | |
245 | ||
246 | int AliHLTTriggerBarrelGeomMultiplicity::ReadPreprocessorValues(const char* /*modules*/) | |
247 | { | |
248 | // see header file for function documentation | |
249 | ||
250 | // nothing to do for the moment | |
251 | return 0; | |
252 | } | |
253 | ||
254 | int AliHLTTriggerBarrelGeomMultiplicity::GetDetectorGeomsFromCDBObject(const char *cdbEntry, const char* chainId) | |
255 | { | |
256 | // see header file for function documentation | |
257 | int nDetectorGeoms=0; | |
258 | ||
259 | if(fDetectorArray) | |
260 | { | |
261 | fDetectorArray->Clear(); | |
262 | } | |
263 | else | |
264 | { | |
265 | fDetectorArray = new TObjArray(); | |
266 | } | |
267 | ||
268 | const char *path = cdbEntry; | |
269 | ||
270 | if(!path) path = fOCDBEntry; | |
271 | ||
272 | if(path) | |
273 | { | |
274 | // const char* chainId=GetChainId(); | |
275 | HLTInfo("configure from entry %s, chain id %s", path, (chainId!=NULL && chainId[0]!=0)?chainId:"<none>"); | |
276 | AliCDBEntry *pEntry = AliCDBManager::Instance()->Get(path/*,GetRunNo()*/); | |
277 | if (pEntry) | |
278 | { | |
279 | TObjArray* pArr=dynamic_cast<TObjArray*>(pEntry->GetObject()); | |
280 | if (pArr) | |
281 | { | |
282 | ||
283 | for(int i = 0; i < pArr->GetEntries(); i++) | |
284 | { | |
285 | if(!strcmp(pArr->At(i)->ClassName(), "AliHLTTriggerDecisionParameters")) | |
286 | { | |
287 | fTriggerDecisionPars = dynamic_cast<AliHLTTriggerDecisionParameters*>(pArr->At(i)); | |
288 | } | |
289 | else if(pArr->At(i)->InheritsFrom("AliHLTTriggerDetectorGeom")) | |
290 | { | |
291 | fDetectorArray->AddLast(dynamic_cast<AliHLTTriggerDetectorGeom*>(pArr->At(i))); | |
292 | nDetectorGeoms++; | |
293 | HLTDebug("received detector geometry of type %s", pArr->At(i)->ClassName()); | |
294 | } | |
295 | else | |
296 | { | |
297 | HLTWarning("Unknown object of type %s in configuration object", pArr->At(i)->ClassName()); | |
298 | } | |
299 | } | |
300 | } | |
301 | else | |
302 | { | |
303 | HLTError("configuration object \"%s\" has wrong type, required TObjArray", path); | |
304 | nDetectorGeoms=-EINVAL; | |
305 | } | |
306 | } | |
307 | else | |
308 | { | |
309 | HLTError("can not fetch object \"%s\" from OCDB", path); | |
310 | nDetectorGeoms=-ENOENT; | |
311 | } | |
312 | } | |
313 | ||
314 | HLTInfo("received %d detector geometries", nDetectorGeoms); | |
315 | ||
316 | return nDetectorGeoms; | |
317 | } | |
318 | ||
319 | int AliHLTTriggerBarrelGeomMultiplicity::GetDetectorGeomsFromFile(const char *filename) | |
320 | { | |
321 | // see header file for function documentation | |
322 | int nDetectorGeoms=0; | |
323 | ||
324 | if(fDetectorArray) | |
325 | { | |
326 | fDetectorArray->Clear(); | |
327 | } | |
328 | else | |
329 | { | |
330 | fDetectorArray = new TObjArray(); | |
331 | } | |
332 | ||
333 | ||
334 | if (filename) | |
335 | { | |
336 | TFile *geomfile = TFile::Open(filename, "READ"); | |
337 | ||
338 | if(geomfile) | |
339 | { | |
340 | HLTInfo("configure from file \"%s\"", filename); | |
341 | TObjArray* pArr=dynamic_cast<TObjArray*>(geomfile->Get("GeomConf")); | |
342 | if (pArr) | |
343 | { | |
344 | ||
345 | for(int i = 0; i < pArr->GetEntries(); i++) | |
346 | { | |
347 | if(!strcmp(pArr->At(i)->ClassName(), "AliHLTTriggerDecisionParameters")) | |
348 | { | |
349 | fTriggerDecisionPars = dynamic_cast<AliHLTTriggerDecisionParameters*>(pArr->At(i)); | |
350 | } | |
351 | else if(pArr->At(i)->InheritsFrom("AliHLTTriggerDetectorGeom")) | |
352 | { | |
353 | fDetectorArray->AddLast(dynamic_cast<AliHLTTriggerDetectorGeom*>(pArr->At(i))); | |
354 | nDetectorGeoms++; | |
355 | HLTDebug("received detector geometry of type %s", pArr->At(i)->ClassName()); | |
356 | } | |
357 | else | |
358 | { | |
359 | HLTWarning("Unknown object of type %s in configuration object", pArr->At(i)->ClassName()); | |
360 | } | |
361 | } | |
362 | } | |
363 | else | |
364 | { | |
365 | HLTError("configuration object has wrong type, required TObjArray"); | |
366 | nDetectorGeoms=-EINVAL; | |
367 | } | |
368 | } | |
369 | else | |
370 | { | |
371 | HLTError("could not open file \"%s\"", filename); | |
372 | nDetectorGeoms=-ENOENT; | |
373 | } | |
374 | } | |
375 | else | |
376 | { | |
377 | HLTError("ROOT file name not specified"); | |
378 | } | |
379 | HLTInfo("received %d detector geometries", nDetectorGeoms); | |
380 | ||
381 | return nDetectorGeoms; | |
382 | } | |
383 | ||
384 | int AliHLTTriggerBarrelGeomMultiplicity::ScanConfigurationArgument(int argc, const char** argv) | |
385 | { | |
386 | // See header file for class documentation | |
387 | if (argc<=0) return 0; | |
388 | int i=0; | |
389 | TString argument=argv[i]; | |
390 | ||
391 | if (argument.CompareTo("-geomfile")==0) | |
392 | { | |
393 | if (++i>=argc) return -EPROTO; | |
394 | ||
395 | GetDetectorGeomsFromFile(argv[i]); | |
396 | ||
397 | return 2; | |
398 | } | |
399 | ||
400 | if (argument.CompareTo("-triggername")==0) | |
401 | { | |
402 | if (++i>=argc || argv[i]==NULL) return -EPROTO; | |
403 | ||
404 | int namelen=strlen(argv[i])+1; | |
405 | fTriggerName = new char[namelen]; | |
406 | if (!fTriggerName) return -ENOMEM; | |
407 | snprintf(fTriggerName, namelen, "%s", argv[i]); | |
408 | ||
409 | fOCDBEntry = fTriggerName; | |
410 | ||
411 | return 2; | |
412 | } | |
413 | return 0; | |
414 | } | |
415 |