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411a92da | 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: Kalliopi Kanaki <Kalliopi.Kanaki@ift.uib.no> * | |
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 AliHLTTriggerCosmics.cxx | |
19 | /// @author Kalliopi Kanaki | |
20 | /// @date 2011-02-25 | |
21 | /// @brief HLT trigger component for tagging cosmics tracks in the TPC | |
22 | ||
23 | // see header file for class documentation | |
24 | // or | |
25 | // refer to README to build package | |
26 | // or | |
27 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
28 | ||
29 | #include "AliHLTTriggerCosmics.h" | |
30 | #include "AliESDtrack.h" | |
31 | #include "AliESDEvent.h" | |
32 | #include "AliHLTTriggerDecision.h" | |
33 | #include "AliHLTDomainEntry.h" | |
34 | #include "AliHLTGlobalBarrelTrack.h" | |
35 | #include "AliHLTErrorGuard.h" | |
36 | #include "AliTPCcalibTime.h" | |
37 | #include "AliTracker.h" | |
38 | ||
39 | #include "TObjArray.h" | |
40 | #include "TObjString.h" | |
41 | #include "TDatabasePDG.h" | |
42 | ||
43 | /** ROOT macro for the implementation of ROOT specific class methods */ | |
44 | ClassImp(AliHLTTriggerCosmics) | |
45 | ||
46 | AliHLTTriggerCosmics::AliHLTTriggerCosmics() | |
47 | : AliHLTTrigger() | |
48 | , fName() | |
49 | , fTrackSelection() | |
50 | { | |
51 | // see header file for class documentation | |
52 | // or | |
53 | // refer to README to build package | |
54 | // or | |
55 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
56 | } | |
57 | ||
58 | const char* AliHLTTriggerCosmics::fgkDefaultOCDBEntry="HLT/ConfigHLT/CosmicsTrigger"; | |
59 | ||
60 | AliHLTTriggerCosmics::~AliHLTTriggerCosmics(){ | |
61 | // see header file for class documentation | |
62 | } | |
63 | ||
64 | const char* AliHLTTriggerCosmics::GetTriggerName() const{ | |
65 | // see header file for class documentation | |
66 | ||
67 | if (!fName.IsNull()) | |
68 | return fName.Data(); | |
69 | else | |
70 | return "CosmicsTrigger"; | |
71 | } | |
72 | ||
73 | AliHLTComponent* AliHLTTriggerCosmics::Spawn(){ | |
74 | // see header file for class documentation | |
75 | return new AliHLTTriggerCosmics; | |
76 | } | |
77 | ||
78 | int AliHLTTriggerCosmics::DoTrigger(){ | |
79 | // see header file for class documentation | |
80 | ||
81 | if (!IsDataEvent()) { | |
82 | IgnoreEvent(); // dont generate any trigger decision. | |
83 | } | |
84 | ||
85 | int iResult=0; | |
86 | int numberOfCosmics=-1; | |
87 | ||
88 | const TObject *obj = GetFirstInputObject(kAliHLTAllDataTypes, "AliESDEvent"); | |
89 | AliESDEvent *esd = dynamic_cast<AliESDEvent*>(const_cast<TObject*>(obj)); | |
90 | if(!esd){ | |
91 | printf("Empty ESD\n"); | |
92 | return 0; | |
93 | } | |
94 | esd->GetStdContent(); | |
95 | ||
96 | Int_t startTime = esd->GetTimeStamp()-60*60*1; //Start time one hour before first event, will make precise cuts later. | |
97 | Int_t endTime = esd->GetTimeStamp()+60*60*23; //End time 23 hours after first event. | |
98 | fTrackSelection = new AliTPCcalibTime("calibTime","time dependent Vdrift calibration", startTime, endTime, 20*60); | |
99 | ||
100 | fTrackSelection->UpdateEventInfo(esd); // needed for getting the run number and time stamp information correct on the offline side | |
101 | ||
102 | //TArrayI clusterSideA(esd->GetNumberOfTracks()); | |
103 | //TArrayI clusterSideC(esd->GetNumberOfTracks()); | |
104 | Float_t bz = AliTracker::GetBz(); | |
105 | Double_t vtxx[3]={0,0,0}; | |
106 | Double_t svtxx[3]={0.000001,0.000001,100.}; | |
107 | AliESDVertex vtx(vtxx,svtxx); | |
108 | ||
109 | for(Int_t i=0; i<esd->GetNumberOfTracks(); ++i){ | |
110 | ||
111 | AliESDtrack *track0 = esd->GetTrack(i); // track 0 upper part | |
112 | if(!track0) continue; | |
113 | if(!track0->GetOuterParam()) continue; | |
114 | if(track0->GetOuterParam()->GetAlpha()<0) continue; | |
115 | Double_t d1[3]; | |
116 | track0->GetDirection(d1); | |
117 | ||
118 | for(Int_t j=0; j<esd->GetNumberOfTracks(); ++j){ | |
119 | ||
120 | if(i==j) continue; | |
121 | AliESDtrack *track1 = esd->GetTrack(j); //track 1 lower part | |
122 | if(!track1) continue; | |
123 | if(!track1->GetOuterParam()) continue; | |
124 | if( track0->GetTPCNcls() + track1->GetTPCNcls()< 80 /*kMinClusters*/) continue; | |
125 | ||
126 | //Int_t nAC = TMath::Max( TMath::Min(clusterSideA[i], clusterSideC[j]), TMath::Min(clusterSideC[i], clusterSideA[j])); | |
127 | //if(nAC<30/*kMinClustersCross*/) continue; | |
128 | //Int_t nA0 = clusterSideA[i]; | |
129 | //Int_t nC0 = clusterSideC[i]; | |
130 | //Int_t nA1 = clusterSideA[j]; | |
131 | //Int_t nC1 = clusterSideC[j]; | |
132 | // if (track1->GetOuterParam()->GetAlpha()>0) continue; | |
133 | // | |
134 | Double_t d2[3]; | |
135 | track1->GetDirection(d2); | |
136 | ||
137 | // AliTPCseed * seed0 = (AliTPCseed*) tpcSeeds.At(i); | |
138 | // AliTPCseed * seed1 = (AliTPCseed*) tpcSeeds.At(j); | |
139 | // if (! seed0) continue; | |
140 | // if (! seed1) continue; | |
141 | Float_t dir = (d1[0]*d2[0] + d1[1]*d2[1] + d1[2]*d2[2]); | |
142 | Float_t dist0 = track0->GetLinearD(0,0); | |
143 | Float_t dist1 = track1->GetLinearD(0,0); | |
144 | // | |
145 | // conservative cuts - convergence to be guarantied | |
146 | // applying before track propagation | |
147 | if (TMath::Abs(TMath::Abs(dist0)-TMath::Abs(dist1))>3 /*fCutMaxD*/) continue; // distance to the 0,0 | |
148 | if (TMath::Abs(dir)<TMath::Abs(-0.99/*fCutMinDir*/)) continue; // direction vector product | |
149 | ||
150 | Float_t dvertex0[2]; //distance to 0,0 | |
151 | Float_t dvertex1[2]; //distance to 0,0 | |
152 | track0->GetDZ(0,0,0,bz,dvertex0); | |
153 | track1->GetDZ(0,0,0,bz,dvertex1); | |
154 | if (TMath::Abs(dvertex0[1])>250) continue; | |
155 | if (TMath::Abs(dvertex1[1])>250) continue; | |
156 | ||
157 | Float_t dmax = TMath::Max(TMath::Abs(dist0),TMath::Abs(dist1)); | |
158 | AliExternalTrackParam param0(*track0); | |
159 | AliExternalTrackParam param1(*track1); | |
160 | // | |
161 | // Propagate using Magnetic field and correct for material budget | |
162 | // | |
163 | ||
164 | AliTracker::PropagateTrackTo(¶m0,dmax+1,TDatabasePDG::Instance()->GetParticle("e-")->Mass(),3,kTRUE); | |
165 | AliTracker::PropagateTrackTo(¶m1,dmax+1,TDatabasePDG::Instance()->GetParticle("e-")->Mass(),3,kTRUE); | |
166 | ||
167 | // Propagate rest to the 0,0 DCA - z should be ignored | |
168 | ||
169 | param0.PropagateToDCA(&vtx,bz,1000); | |
170 | param1.PropagateToDCA(&vtx,bz,1000); | |
171 | param0.GetDZ(0,0,0,bz,dvertex0); | |
172 | param1.GetDZ(0,0,0,bz,dvertex1); | |
173 | ||
174 | Double_t xyz0[3]; | |
175 | Double_t xyz1[3]; | |
176 | param0.GetXYZ(xyz0); | |
177 | param1.GetXYZ(xyz1); | |
178 | Bool_t isPair = fTrackSelection->IsPair(¶m0,¶m1); | |
179 | Bool_t isCross = fTrackSelection->IsCross(track0, track1); | |
180 | Bool_t isSame = fTrackSelection->IsSame(track0, track1); | |
181 | ||
182 | if((isSame) || (isCross && isPair)){ | |
183 | if( track0->GetTPCNcls() + track1->GetTPCNcls()> 80 ){ | |
184 | numberOfCosmics++; | |
185 | } | |
186 | } | |
187 | } // end 2nd order loop | |
188 | } // end 1st order loop | |
189 | ||
190 | bool condition = false; | |
191 | TString description; | |
192 | ||
193 | if(numberOfCosmics>0){ | |
194 | description.Form("Event contains %d cosmics", numberOfCosmics); | |
195 | condition = true; | |
196 | } | |
197 | else { | |
198 | if(IsDataEvent()) { | |
199 | description.Form("No input blocks found"); | |
200 | } else { | |
201 | description.Form("No DataEvent found"); | |
202 | } | |
203 | } | |
204 | ||
205 | SetDescription(description.Data()); | |
206 | ||
207 | // add a specific trigger decision object with initialized name | |
208 | // the readout list however is fixed | |
209 | AliHLTTriggerDecision decision( | |
210 | condition, | |
211 | GetTriggerName(), | |
212 | GetReadoutList(), | |
213 | GetDescription() | |
214 | ); | |
215 | TriggerEvent(&decision, kAliHLTDataTypeTObject|kAliHLTDataOriginOut); | |
216 | ||
217 | return iResult; | |
218 | } | |
219 | ||
220 | int AliHLTTriggerCosmics::DoInit(int argc, const char** argv){ | |
221 | // see header file for class documentation | |
222 | ||
223 | int iResult = 0; | |
224 | ||
225 | // check if the -triggername argument is used | |
226 | // the name of the trigger determines the following initialization | |
227 | vector<const char*> remainingArgs; | |
228 | for (int i=0; i<argc; i++) { | |
229 | if (strcmp(argv[i], "-triggername")==0) { | |
230 | if (++i<argc) fName=argv[i]; | |
231 | else { | |
232 | HLTError("invalid parameter for argument '-triggername', string expected"); | |
233 | return -EINVAL; | |
234 | } | |
235 | continue; | |
236 | } | |
237 | remainingArgs.push_back(argv[i]); | |
238 | } | |
239 | ||
240 | // get path from triggername, use default object otherwise | |
241 | TString cdbPath; | |
242 | if (!fName.IsNull()) { | |
243 | cdbPath="HLT/ConfigHLT/"; | |
244 | cdbPath+=fName; | |
245 | } else { | |
246 | cdbPath=fgkDefaultOCDBEntry; | |
247 | } | |
248 | ||
249 | iResult = ConfigureFromCDBObject(cdbPath); | |
250 | ||
251 | // -- Configure from the command line parameters if specified | |
252 | if (iResult>=0 && argc>0) iResult = ConfigureFromArgumentString(remainingArgs.size(), &(remainingArgs[0])); | |
253 | ||
254 | return iResult; | |
255 | } | |
256 | ||
257 | int AliHLTTriggerCosmics::DoDeinit(){ | |
258 | // see header file for class documentation | |
259 | ||
260 | if(fTrackSelection) delete fTrackSelection; fTrackSelection = NULL; | |
261 | return 0; | |
262 | } | |
263 | ||
264 | int AliHLTTriggerCosmics::Reconfigure(const char* cdbEntry, const char* /*chainId*/){ | |
265 | // see header file for class documentation | |
266 | ||
267 | // configure from the specified antry or the default one | |
268 | TString cdbPath; | |
269 | if (!cdbEntry || cdbEntry[0]==0) { | |
270 | if (!fName.IsNull()) { | |
271 | cdbPath="HLT/ConfigHLT/"; | |
272 | cdbPath+=fName; | |
273 | } else { | |
274 | cdbPath=fgkDefaultOCDBEntry; | |
275 | } | |
276 | } else { | |
277 | cdbPath=cdbEntry; | |
278 | } | |
279 | ||
280 | return ConfigureFromCDBObject(cdbPath); | |
281 | } | |
282 | ||
283 | int AliHLTTriggerCosmics::ReadPreprocessorValues(const char* /*modules*/){ | |
284 | // see header file for class documentation | |
285 | return 0; | |
286 | } | |
287 | ||
288 | Int_t AliHLTTriggerCosmics::ConfigureFromCDBObject(TString cdbPath){ | |
289 | // see header file for class documentation | |
290 | ||
291 | Int_t iResult = 0; | |
292 | TString arguments; | |
293 | ||
294 | // -- check for "-" and replace by "_._" in the path name | |
295 | cdbPath.ReplaceAll("-",1,"_._",3); | |
296 | ||
297 | TObject *pCDBObject = LoadAndExtractOCDBObject(cdbPath); | |
298 | if (pCDBObject) { | |
299 | // AliHLTESDTrackCuts *pCuts = dynamic_cast<AliHLTESDTrackCuts*>(pCDBObject); | |
300 | // if (pCuts) { | |
301 | // HLTInfo("Received AliHLTESDTrackCuts configuration object : \'%s\'", pCuts->GetTitle()); | |
302 | // if (fHLTESDTrackCuts) | |
303 | // delete fHLTESDTrackCuts; | |
304 | // fHLTESDTrackCuts = pCuts; | |
305 | // } | |
306 | // else { | |
307 | // TObjString *pString = dynamic_cast<TObjString*>(pCDBObject); | |
308 | // if(pString){ | |
309 | // HLTInfo("Received configuration object string: \'%s\'", pString->GetString().Data()); | |
310 | // arguments+=pString->GetString().Data(); | |
311 | // } | |
312 | // else{ | |
313 | // HLTError("Configuration object \"%s\" has wrong type, required AliHLTESDTrackCuts or TObjString", cdbPath.Data()); | |
314 | // iResult=-EINVAL; | |
315 | // } | |
316 | // } | |
317 | } | |
318 | else { | |
319 | HLTError("Cannot fetch object \"%s\" from CDB", cdbPath.Data()); | |
320 | iResult=-ENOENT; | |
321 | } | |
322 | ||
323 | if( iResult>=0 && !arguments.IsNull() ){ | |
324 | const Char_t* array = arguments.Data(); | |
325 | iResult = ConfigureFromArgumentString(1, &array); | |
326 | } | |
327 | ||
328 | return iResult; | |
329 | } | |
330 | ||
331 | //int AliHLTTriggerCosmics::ScanConfigurationArgument(int argc, const char** argv){ | |
332 | // see header file for class documentation | |
333 | ||
334 | // if (argc<=0) return 0; | |
335 | // int i=0; | |
336 | // TString argument=argv[i]; | |
337 | // | |
338 | // if (!fHLTESDTrackCuts) | |
339 | // fHLTESDTrackCuts = new AliHLTESDTrackCuts("AliHLTESDTrackCuts","No track cuts"); | |
340 | // | |
341 | // // -maxpt | |
342 | // if (argument.CompareTo("-maxpt")==0) { | |
343 | // if (++i>=argc) return -EPROTO; | |
344 | // argument=argv[i]; | |
345 | // | |
346 | // Float_t minPt, maxPt; | |
347 | // fHLTESDTrackCuts->GetPtRange(minPt,maxPt); | |
348 | // maxPt = argument.Atof(); | |
349 | // fHLTESDTrackCuts->SetPtRange(minPt,maxPt); | |
350 | // | |
351 | // TString title = fHLTESDTrackCuts->GetTitle(); | |
352 | // if (!title.CompareTo("No track cuts")) title = ""; | |
353 | // else title += " && "; | |
354 | // title += Form("p_t < %f", maxPt); | |
355 | // fHLTESDTrackCuts->SetTitle(title); | |
356 | // return 2; | |
357 | // } | |
358 | // | |
359 | // // -minpt | |
360 | // if (argument.CompareTo("-minpt")==0) { | |
361 | // if (++i>=argc) return -EPROTO; | |
362 | // argument=argv[i]; | |
363 | // | |
364 | // Float_t minPt, maxPt; | |
365 | // fHLTESDTrackCuts->GetPtRange(minPt,maxPt); | |
366 | // minPt = argument.Atof(); | |
367 | // fHLTESDTrackCuts->SetPtRange(minPt,maxPt); | |
368 | // | |
369 | // TString title = fHLTESDTrackCuts->GetTitle(); | |
370 | // if (!title.CompareTo("No track cuts")) title = ""; | |
371 | // else title += " && "; | |
372 | // title += Form("p_t > %f", minPt); | |
373 | // fHLTESDTrackCuts->SetTitle(title); | |
374 | // return 2; | |
375 | // } | |
376 | // | |
377 | // // -mintracks | |
378 | // if (argument.CompareTo("-mintracks")==0) { | |
379 | // if (++i>=argc) return -EPROTO; | |
380 | // argument=argv[i]; | |
381 | // fMinTracks=argument.Atoi(); | |
382 | // return 2; | |
383 | // } | |
384 | // | |
385 | // // -min-ldca | |
386 | // // minimum longitudinal dca to vertex | |
387 | // if (argument.CompareTo("-min-ldca")==0) { | |
388 | // if (++i>=argc) return -EPROTO; | |
389 | // argument=argv[i]; | |
390 | // | |
391 | // fHLTESDTrackCuts->SetMinDCAToVertexZ(argument.Atof()); | |
392 | // TString title = fHLTESDTrackCuts->GetTitle(); | |
393 | // if (!title.CompareTo("No track cuts")) title = ""; | |
394 | // else title += " && "; | |
395 | // title += Form("DCAz > %f", argument.Atof()); | |
396 | // fHLTESDTrackCuts->SetTitle(title); | |
397 | // return 2; | |
398 | // } | |
399 | // | |
400 | // // -max-ldca | |
401 | // // maximum longitudinal dca to vertex | |
402 | // if (argument.CompareTo("-max-ldca")==0) { | |
403 | // if (++i>=argc) return -EPROTO; | |
404 | // argument=argv[i]; | |
405 | // | |
406 | // fHLTESDTrackCuts->SetMaxDCAToVertexZ(argument.Atof()); | |
407 | // TString title = fHLTESDTrackCuts->GetTitle(); | |
408 | // if (!title.CompareTo("No track cuts")) title = ""; | |
409 | // else title += " && "; | |
410 | // title += Form("DCAz < %f", argument.Atof()); | |
411 | // fHLTESDTrackCuts->SetTitle(title); | |
412 | // return 2; | |
413 | // } | |
414 | // | |
415 | // // -min-tdca | |
416 | // // minimum transverse dca to vertex | |
417 | // if (argument.CompareTo("-min-tdca")==0) { | |
418 | // if (++i>=argc) return -EPROTO; | |
419 | // argument=argv[i]; | |
420 | // | |
421 | // fHLTESDTrackCuts->SetMinDCAToVertexXY(argument.Atof()); | |
422 | // TString title = fHLTESDTrackCuts->GetTitle(); | |
423 | // if (!title.CompareTo("No track cuts")) title = ""; | |
424 | // else title += " && "; | |
425 | // title += Form("DCAr > %f", argument.Atof()); | |
426 | // fHLTESDTrackCuts->SetTitle(title); | |
427 | // return 2; | |
428 | // } | |
429 | // | |
430 | // // -max-tdca | |
431 | // // maximum transverse dca to vertex | |
432 | // if (argument.CompareTo("-max-tdca")==0) { | |
433 | // if (++i>=argc) return -EPROTO; | |
434 | // argument=argv[i]; | |
435 | // | |
436 | // fHLTESDTrackCuts->SetMaxDCAToVertexXY(argument.Atof()); | |
437 | // TString title = fHLTESDTrackCuts->GetTitle(); | |
438 | // if (!title.CompareTo("No track cuts")) title = ""; | |
439 | // else title += " && "; | |
440 | // title += Form("DCAr < %f", argument.Atof()); | |
441 | // fHLTESDTrackCuts->SetTitle(title); | |
442 | // return 2; | |
443 | // } | |
444 | // | |
445 | // // -- deprecated | |
446 | // | |
447 | // // -dca-reference | |
448 | // // reference point for the transverse and longitudinal dca cut | |
449 | // if (argument.CompareTo("-dca-reference")==0) { | |
450 | // if (++i>=argc) return -EPROTO; | |
451 | // HLTWarning("argument -dca-reference deprecated, ESDTrackCuts only allow for DCA to vertex"); | |
452 | // return 2; | |
453 | // } | |
454 | // | |
455 | // // -solenoidBz | |
456 | // if (argument.CompareTo("-solenoidBz")==0) { | |
457 | // if (++i>=argc) return -EPROTO; | |
458 | // HLTWarning("argument -solenoidBz is deprecated, magnetic field set up globally (%f)", GetBz()); | |
459 | // return 2; | |
460 | // } | |
461 | // | |
462 | // // unknown argument | |
463 | // return -EINVAL; | |
464 | //} |