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32d38de2 | 1 | /************************************************************************** |
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 | **************************************************************************/ | |
15 | ||
16 | /* | |
17 | TO CHECK | |
18 | GetBz usage | |
19 | ||
20 | */ | |
21 | ||
22 | //------------------------------------------------------------------------- | |
23 | // Implementation of the ITS Upgrade tracker mother class. | |
24 | //------------------------------------------------------------------------- | |
25 | #include <TTree.h> | |
26 | #include <Riostream.h> | |
27 | #include <TMath.h> | |
76390254 | 28 | #include <TFile.h> |
32d38de2 | 29 | |
30 | #include "AliITSUTrackerGlo.h" | |
31 | #include "AliESDEvent.h" | |
32 | #include "AliESDtrack.h" | |
33 | #include "AliITSURecoDet.h" | |
34 | #include "AliITSURecoSens.h" | |
35 | #include "AliITSUReconstructor.h" | |
36 | #include "AliITSReconstructor.h" | |
37 | #include "AliITSUSeed.h" | |
c61e50c3 | 38 | #include "AliITSUClusterPix.h" |
cb50e082 | 39 | #include "AliITSUGeomTGeo.h" |
bdb92766 | 40 | #include "AliCodeTimer.h" |
9cdcba2c | 41 | #include "AliRefArray.h" |
32d38de2 | 42 | using namespace AliITSUAux; |
43 | using namespace TMath; | |
44 | ||
c8d1f258 | 45 | //----------------- tmp stuff ----------------- |
c8d1f258 | 46 | |
32d38de2 | 47 | ClassImp(AliITSUTrackerGlo) |
e2d2481c | 48 | |
49 | const Double_t AliITSUTrackerGlo::fgkToler = 1e-6;// tolerance for layer on-surface check | |
50 | ||
51 | ||
32d38de2 | 52 | //_________________________________________________________________________ |
53 | AliITSUTrackerGlo::AliITSUTrackerGlo(AliITSUReconstructor* rec) | |
54 | : fReconstructor(rec) | |
55 | ,fITS(0) | |
0091e9f0 | 56 | ,fCurrESDtrack(0) |
0ddbf657 | 57 | ,fCurrESDtrMClb(kDummyLabel) |
32d38de2 | 58 | ,fCurrMass(kPionMass) |
0ddbf657 | 59 | ,fCountProlongationTrials(0) |
60 | ,fCountITSin(0) | |
61 | ,fCountITSout(0) | |
62 | ,fCountITSrefit(0) | |
d99994b2 | 63 | ,fNTracksESD(0) |
716ccba7 | 64 | ,fHypStore(100) |
6cd80116 | 65 | ,fLayerMaxCandidates(1000) |
66 | ,fLayerCandidates(0) | |
38997c3c | 67 | ,fNBranchesAdded(0) |
68 | ,fNCandidatesAdded(0) | |
716ccba7 | 69 | ,fCurrHyp(0) |
6cd80116 | 70 | ,fWorkHyp(0) |
c61e50c3 | 71 | ,fSeedsPool("AliITSUSeed",0) |
b8b59e05 | 72 | ,fFreeSeedsID(0) |
9cdcba2c | 73 | ,fESDIndex(0) |
b8b59e05 | 74 | ,fNFreeSeeds(0) |
75 | ,fLastSeedID(0) | |
6cd80116 | 76 | ,fNLrActive(0) |
42c3d4bd | 77 | ,fDefTrackConds(0) |
78 | ,fCurrTrackCond(0) | |
c03e4f8a | 79 | ,fCurrActLrID(-1) |
80 | ,fCurrLayer(0) | |
781c79ac | 81 | ,fTrackPhaseID(-1) |
82 | ,fCurrPassID(-1) | |
08419930 | 83 | #ifdef _ITSU_TUNING_MODE_ |
84 | ,fCHistoArrCorr(0) | |
85 | ,fCHistoArrFake(0) | |
53870004 | 86 | #endif |
32d38de2 | 87 | { |
88 | // Default constructor | |
89 | if (rec) Init(rec); | |
90 | } | |
91 | ||
92 | //_________________________________________________________________________ | |
93 | AliITSUTrackerGlo::~AliITSUTrackerGlo() | |
94 | { | |
95 | // Default destructor | |
96 | // | |
9cdcba2c | 97 | delete[] fLayerCandidates; |
98 | if (fWorkHyp) fWorkHyp->SetTPCSeed(0); // this hypothesis does not own the seed | |
99 | delete fWorkHyp; | |
32d38de2 | 100 | // |
08419930 | 101 | #ifdef _ITSU_TUNING_MODE_ |
102 | if (fCHistoArrCorr || fCHistoArrFake) { | |
76390254 | 103 | TFile* ctrOut = TFile::Open("itsuControlHistos.root","recreate"); |
104 | ctrOut->cd(); | |
105 | AliInfo("Storing control histos"); | |
53870004 | 106 | // ctrOut->WriteObject(fCHistoArr,"controlH","kSingleKey"); |
08419930 | 107 | if (fCHistoArrCorr) { |
108 | fCHistoArrCorr->Write(); | |
109 | delete fCHistoArrCorr; | |
110 | } | |
111 | if (fCHistoArrFake) { | |
112 | fCHistoArrFake->Write(); | |
113 | delete fCHistoArrFake; | |
114 | } | |
76390254 | 115 | ctrOut->Close(); |
116 | delete ctrOut; | |
08419930 | 117 | fCHistoArrCorr = 0; |
118 | fCHistoArrFake = 0; | |
76390254 | 119 | } |
120 | #endif | |
121 | // | |
32d38de2 | 122 | } |
123 | ||
124 | //_________________________________________________________________________ | |
125 | void AliITSUTrackerGlo::Init(AliITSUReconstructor* rec) | |
126 | { | |
127 | // init with external reconstructor | |
c61e50c3 | 128 | // |
3d4dc3e2 | 129 | fITS = rec->GetITSInterface(); |
6cd80116 | 130 | fNLrActive = fITS->GetNLayersActive(); |
6cd80116 | 131 | fWorkHyp = new AliITSUTrackHyp(fNLrActive); |
c61e50c3 | 132 | // |
6cd80116 | 133 | if (fLayerMaxCandidates<1) fLayerMaxCandidates = 1000; |
134 | fLayerCandidates = new AliITSUSeed*[fLayerMaxCandidates]; | |
c61e50c3 | 135 | fSeedsPool.ExpandCreateFast(1000); // RS TOCHECK |
b8b59e05 | 136 | fFreeSeedsID.Set(1000); |
9cdcba2c | 137 | fESDIndex.Set(1000); |
138 | ||
c61e50c3 | 139 | // |
32d38de2 | 140 | } |
141 | ||
42c3d4bd | 142 | //_________________________________________________________________________ |
143 | void AliITSUTrackerGlo::CreateDefaultTrackCond() | |
144 | { | |
145 | // creates default tracking conditions to be used when recoparam does not provide them | |
6cd80116 | 146 | |
42c3d4bd | 147 | AliITSUTrackCond* cond = new AliITSUTrackCond(); |
148 | // | |
6cd80116 | 149 | cond->SetNLayers(fNLrActive); |
150 | cond->AddNewCondition(fNLrActive); | |
70f61d86 | 151 | cond->AddGroupPattern( 0xffff, fNLrActive ); // require all layers hit |
ee54014a | 152 | cond->Init(); |
42c3d4bd | 153 | // |
154 | fDefTrackConds.AddLast(cond); | |
155 | // | |
156 | AliInfo("Created conditions: "); | |
157 | for (int i=0;i<fDefTrackConds.GetEntriesFast();i++) fDefTrackConds[i]->Print(); | |
158 | // | |
159 | } | |
160 | ||
161 | ||
32d38de2 | 162 | //_________________________________________________________________________ |
163 | Int_t AliITSUTrackerGlo::Clusters2Tracks(AliESDEvent *esdEv) | |
164 | { | |
165 | // | |
bdb92766 | 166 | AliCodeTimerAuto("",0); |
76390254 | 167 | SetTrackingPhase(kClus2Tracks); |
168 | // | |
08419930 | 169 | #ifdef _ITSU_TUNING_MODE_ |
781c79ac | 170 | if (!fCHistoArrCorr) fCHistoArrCorr = BookControlHistos("Corr"); |
171 | if (!fCHistoArrFake) fCHistoArrFake = BookControlHistos("Fake"); | |
76390254 | 172 | #endif |
c03e4f8a | 173 | static int evID = 0; |
9cdcba2c | 174 | static TArrayF esdTrPt(fESDIndex.GetSize()); |
bdb92766 | 175 | // |
42c3d4bd | 176 | TObjArray *trackConds = 0; |
32d38de2 | 177 | // |
0ddbf657 | 178 | fCountProlongationTrials = 0; |
179 | fCountITSin = 0; | |
180 | fCountITSout = 0; | |
181 | fCountITSrefit = 0; | |
182 | // | |
b8b59e05 | 183 | ResetSeedsPool(); |
d99994b2 | 184 | fNTracksESD = esdEv->GetNumberOfTracks(); |
185 | AliInfo(Form("Will try to find prolongations for %d tracks",fNTracksESD)); | |
42c3d4bd | 186 | int nTrackCond = AliITSUReconstructor::GetRecoParam()->GetNTrackingConditions(); |
187 | if (nTrackCond<1) { | |
188 | if (!fDefTrackConds.GetEntriesFast()) { | |
189 | AliInfo("No tracking conditions found in recoparams, creating default one requesting all layers hit"); | |
190 | CreateDefaultTrackCond(); | |
191 | } | |
192 | trackConds = &fDefTrackConds; | |
193 | nTrackCond = trackConds->GetEntriesFast(); | |
194 | } | |
195 | else trackConds = AliITSUReconstructor::GetRecoParam()->GetTrackingConditions(); | |
196 | // | |
15b02d69 | 197 | static Bool_t first = kTRUE; |
198 | if (first) { | |
199 | AliITSUReconstructor::GetRecoParam()->Print(); | |
200 | first = kFALSE; | |
201 | } | |
202 | fHypStore.Delete(); | |
d99994b2 | 203 | if (fHypStore.GetSize()<fNTracksESD) fHypStore.Expand(fNTracksESD+100); |
15b02d69 | 204 | // |
205 | fITS->ProcessClusters(); | |
206 | // | |
08419930 | 207 | #ifdef _ITSU_TUNING_MODE_ |
53870004 | 208 | FlagSplitClusters(); // tmp RS |
bdb92766 | 209 | #endif |
210 | // | |
211 | // the tracks will be reconstructed in decreasing pt order, sort them | |
d99994b2 | 212 | if (fESDIndex.GetSize()<fNTracksESD) { |
213 | fESDIndex.Set(fNTracksESD+200); | |
214 | esdTrPt.Set(fNTracksESD+200); | |
bdb92766 | 215 | } |
9cdcba2c | 216 | int* esdTrackIndex = fESDIndex.GetArray(); |
bdb92766 | 217 | float* trPt = esdTrPt.GetArray(); |
891efa00 | 218 | for (int itr=fNTracksESD;itr--;) { |
219 | AliESDtrack* esdTr = esdEv->GetTrack(itr); | |
0e40ce66 | 220 | esdTr->SetStatus(AliESDtrack::kITSupg); // Flag all tracks as participating in the ITSup reco |
891efa00 | 221 | trPt[itr] = esdTr->Pt(); |
222 | } | |
d99994b2 | 223 | Sort(fNTracksESD,trPt,esdTrackIndex,kTRUE); |
53870004 | 224 | // |
42c3d4bd | 225 | for (int icnd=0;icnd<nTrackCond;icnd++) { |
781c79ac | 226 | fCurrPassID = icnd; |
42c3d4bd | 227 | fCurrTrackCond = (AliITSUTrackCond*)trackConds->UncheckedAt(icnd); |
ee54014a | 228 | if (!fCurrTrackCond->IsInitDone()) fCurrTrackCond->Init(); |
42c3d4bd | 229 | // select ESD tracks to propagate |
d99994b2 | 230 | for (int itr=0;itr<fNTracksESD;itr++) { |
bdb92766 | 231 | int trID = esdTrackIndex[itr]; |
232 | fCurrESDtrack = esdEv->GetTrack(trID); | |
0ddbf657 | 233 | fCurrESDtrMClb = fCurrESDtrack->GetLabel(); |
234 | // | |
0e40ce66 | 235 | |
236 | if (!NeedToProlong(fCurrESDtrack,trID)) continue; // are we interested in this track? | |
c03e4f8a | 237 | /* |
9cdcba2c | 238 | // if specific tracks should be checked, create a global array int wtc[] = {evITS*10000+trID, ...}; |
c03e4f8a | 239 | Bool_t dbg = kFALSE; |
240 | int nwtc = sizeof(wtc)/sizeof(int); | |
241 | ||
242 | for (int k=0;k<nwtc;k++) { | |
bdb92766 | 243 | if (wtc[k]==evID*10000+trID) { |
c03e4f8a | 244 | dbg = kTRUE; |
c03e4f8a | 245 | printf("At esdTr: %d MC: %d\n",wtc[k],fCurrESDtrMClb); |
c03e4f8a | 246 | break; |
247 | } | |
248 | } | |
249 | AliLog::SetClassDebugLevel("AliITSUTrackerGlo",dbg ? 10:0); | |
250 | */ | |
251 | ||
70cb7fe4 | 252 | AliDebug(1,Form("Processing track %d(esd%d) | M=%.3f Pt=%.3f | MCLabel: %d",itr,trID,fCurrESDtrack->GetMass(kTRUE),fCurrESDtrack->Pt(),fCurrESDtrMClb));//RS |
bdb92766 | 253 | FindTrack(fCurrESDtrack, trID); |
42c3d4bd | 254 | } |
255 | // | |
38997c3c | 256 | if (AliDebugLevelClass()>+2) { |
15b02d69 | 257 | AliInfo(Form("SeedsPool: %d, BookedUpTo: %d, free: %d",fSeedsPool.GetSize(),fSeedsPool.GetEntriesFast(),fNFreeSeeds)); |
258 | fHypStore.Print(); | |
259 | } | |
42c3d4bd | 260 | FinalizeHypotheses(); |
891efa00 | 261 | #ifdef _ITSU_TUNING_MODE_ |
d99994b2 | 262 | CheckClusterUsage(); //!!RS |
891efa00 | 263 | #endif |
c03e4f8a | 264 | // |
265 | //AliLog::SetClassDebugLevel("AliITSUTrackerGlo",0); // in case wtc array was defined, uncomment this | |
42c3d4bd | 266 | } |
716ccba7 | 267 | // |
d99994b2 | 268 | AliInfo(Form("%d ITSin for %d tried TPC seeds out of %d ESD tracks\n",fCountITSin,fCountProlongationTrials,fNTracksESD)); |
c03e4f8a | 269 | evID++; |
32d38de2 | 270 | return 0; |
271 | } | |
272 | ||
273 | //_________________________________________________________________________ | |
c51c3124 | 274 | Int_t AliITSUTrackerGlo::PropagateBack(AliESDEvent *esdEv) |
32d38de2 | 275 | { |
276 | // | |
c51c3124 | 277 | // Do outward fits in ITS |
bdb92766 | 278 | AliCodeTimerAuto("",0); |
c51c3124 | 279 | // |
e7d83d38 | 280 | SetTrackingPhase(kPropBack); |
d99994b2 | 281 | fNTracksESD = esdEv->GetNumberOfTracks(); |
282 | AliDebug(1,Form("Will propagate back %d tracks",fNTracksESD)); | |
c51c3124 | 283 | // |
284 | double bz0 = GetBz(); | |
285 | Double_t xyzTrk[3],xyzVtx[3]={GetX(),GetY(),GetZ()}; | |
9cdcba2c | 286 | AliITSUTrackHyp dummyTr; |
c51c3124 | 287 | const double kWatchStep=10.; // for larger steps watch arc vs segment difference |
288 | Double_t times[AliPID::kSPECIES]; | |
289 | // | |
d99994b2 | 290 | for (int itr=0;itr<fNTracksESD;itr++) { |
0ddbf657 | 291 | fCurrESDtrack = esdEv->GetTrack(itr); |
292 | fCurrESDtrMClb = fCurrESDtrack->GetLabel(); | |
c51c3124 | 293 | // Start time integral and add distance from current position to vertex |
0ddbf657 | 294 | if (fCurrESDtrack->IsOn(AliESDtrack::kITSout)) continue; // already done |
c51c3124 | 295 | // |
0ddbf657 | 296 | fCurrESDtrack->GetXYZ(xyzTrk); |
c51c3124 | 297 | Double_t dst = 0.; // set initial track lenght, tof |
298 | { | |
299 | double dxs = xyzTrk[0] - xyzVtx[0]; | |
300 | double dys = xyzTrk[1] - xyzVtx[1]; | |
301 | double dzs = xyzTrk[2] - xyzVtx[2]; | |
302 | // RS: for large segment steps d use approximation of cicrular arc s by | |
303 | // s = 2R*asin(d/2R) = d/p asin(p) \approx d/p (p + 1/6 p^3) = d (1+1/6 p^2) | |
304 | // where R is the track radius, p = d/2R = 2C*d (C is the abs curvature) | |
305 | // Hence s^2/d^2 = (1+1/6 p^2)^2 | |
306 | dst = dxs*dxs + dys*dys; | |
307 | if (dst > kWatchStep*kWatchStep) { // correct circular part for arc/segment factor | |
0ddbf657 | 308 | double crv = Abs(fCurrESDtrack->GetC(bz0)); |
c51c3124 | 309 | double fcarc = 1.+crv*crv*dst/6.; |
310 | dst *= fcarc*fcarc; | |
311 | } | |
312 | dst += dzs*dzs; | |
313 | dst = Sqrt(dst); | |
314 | } | |
315 | // | |
0ddbf657 | 316 | fCurrESDtrack->SetStatus(AliESDtrack::kTIME); |
c51c3124 | 317 | // |
0ddbf657 | 318 | if (!fCurrESDtrack->IsOn(AliESDtrack::kITSin)) { // case of tracks w/o ITS prolongation: just set the time integration |
319 | dummyTr.AliExternalTrackParam::operator=(*fCurrESDtrack); | |
c51c3124 | 320 | dummyTr.StartTimeIntegral(); |
e2d2481c | 321 | dummyTr.AddTimeStep(dst); |
c51c3124 | 322 | dummyTr.GetIntegratedTimes(times); |
0ddbf657 | 323 | fCurrESDtrack->SetIntegratedTimes(times); |
324 | fCurrESDtrack->SetIntegratedLength(dummyTr.GetIntegratedLength()); | |
c51c3124 | 325 | continue; |
326 | } | |
327 | // | |
9cdcba2c | 328 | fCurrHyp = GetTrackHyp(itr); |
70cb7fe4 | 329 | fCurrMass = fCurrHyp->GetMass(); |
9cdcba2c | 330 | fCurrHyp->StartTimeIntegral(); |
331 | fCurrHyp->AddTimeStep(dst); | |
9cdcba2c | 332 | fCurrHyp->ResetCovariance(10000); |
333 | double chi2 = RefitTrack(fCurrHyp,fITS->GetRMax()); | |
334 | if (chi2>0) { // propagate to exit from the ITS/TPC screen | |
70cb7fe4 | 335 | int ndf = fCurrHyp->GetWinner()->GetNLayersHit()*2-5; |
336 | if (ndf>0) chi2 /= ndf; | |
9cdcba2c | 337 | fCurrHyp->SetChi2(chi2); |
338 | UpdateESDTrack(fCurrHyp,AliESDtrack::kITSout); | |
68a0f687 | 339 | } |
e7d83d38 | 340 | else { |
0ddbf657 | 341 | AliDebug(2,Form("Refit Failed for track %d | ESDtrack#%d (MClb:%d)",itr,fCurrESDtrack->GetID(),fCurrESDtrMClb)); |
9cdcba2c | 342 | //fCurrHyp->AliExternalTrackParam::Print(); |
343 | //fCurrHyp->GetWinner()->Print(); | |
e7d83d38 | 344 | } |
c51c3124 | 345 | // |
346 | } | |
32d38de2 | 347 | // |
0ddbf657 | 348 | AliInfo(Form("%d ITSout in %d ITSin tracks for %d tried TPC seeds out of %d ESD tracks\n", |
d99994b2 | 349 | fCountITSout,fCountITSin,fCountProlongationTrials,fNTracksESD)); |
0ddbf657 | 350 | // |
32d38de2 | 351 | return 0; |
352 | } | |
353 | ||
354 | //_________________________________________________________________________ | |
e7d83d38 | 355 | Int_t AliITSUTrackerGlo::RefitInward(AliESDEvent *esdEv) |
32d38de2 | 356 | { |
357 | // | |
e7d83d38 | 358 | // refit the tracks inward, using current cov.matrix |
bdb92766 | 359 | AliCodeTimerAuto("",0); |
e7d83d38 | 360 | // |
361 | SetTrackingPhase(kRefitInw); | |
d99994b2 | 362 | fNTracksESD = esdEv->GetNumberOfTracks(); |
b515ad7e | 363 | // AliLog::SetClassDebugLevel("AliITSUTrackerGlo",10); |
364 | ||
d99994b2 | 365 | AliDebug(1,Form("Will refit inward %d tracks",fNTracksESD)); |
e7d83d38 | 366 | // |
d99994b2 | 367 | for (int itr=0;itr<fNTracksESD;itr++) { |
0ddbf657 | 368 | fCurrESDtrack = esdEv->GetTrack(itr); |
369 | fCurrESDtrMClb = fCurrESDtrack->GetLabel(); | |
e7d83d38 | 370 | // Start time integral and add distance from current position to vertex |
0ddbf657 | 371 | UInt_t trStat = fCurrESDtrack->GetStatus(); |
e7d83d38 | 372 | if ( !(trStat & AliESDtrack::kITSout) ) continue; |
373 | if ( trStat & AliESDtrack::kITSrefit ) continue; // already done | |
374 | if ( (trStat & AliESDtrack::kTPCout) && !(trStat & AliESDtrack::kTPCrefit) ) continue; | |
375 | // | |
9cdcba2c | 376 | fCurrHyp = GetTrackHyp(itr); |
377 | fCurrHyp->AliExternalTrackParam::operator=(*fCurrESDtrack); // fetch current ESDtrack kinematics | |
70cb7fe4 | 378 | fCurrMass = fCurrHyp->GetMass(); |
379 | // | |
9cdcba2c | 380 | double chi2 = RefitTrack(fCurrHyp,fITS->GetRMin()); |
70cb7fe4 | 381 | if (chi2>0) { // propagate up to inside radius of the beam pipe |
9cdcba2c | 382 | fCurrHyp->SetChi2(chi2); |
383 | UpdateESDTrack(fCurrHyp,AliESDtrack::kITSrefit); | |
e7d83d38 | 384 | } |
385 | else { | |
0ddbf657 | 386 | AliDebug(2,Form("Refit Failed for track %d |ESDtrack#%d (MClb:%d)",itr,fCurrESDtrack->GetID(),fCurrESDtrMClb)); |
e7d83d38 | 387 | } |
388 | } | |
32d38de2 | 389 | // |
0ddbf657 | 390 | AliInfo(Form("%d ITSrefit in %d ITSout in %d ITSin tracks for %d tried TPC seeds out of %d ESD tracks\n", |
d99994b2 | 391 | fCountITSrefit,fCountITSout,fCountITSin,fCountProlongationTrials,fNTracksESD)); |
0ddbf657 | 392 | // |
b515ad7e | 393 | // AliLog::SetClassDebugLevel("AliITSUTrackerGlo",0); |
32d38de2 | 394 | return 0; |
395 | } | |
396 | ||
397 | //_________________________________________________________________________ | |
398 | Int_t AliITSUTrackerGlo::LoadClusters(TTree * treeRP) | |
399 | { | |
400 | // read from tree (if pointer provided) or directly from the ITS reco interface | |
401 | // | |
402 | return fReconstructor->LoadClusters(treeRP); | |
403 | } | |
404 | ||
405 | //_________________________________________________________________________ | |
406 | void AliITSUTrackerGlo::UnloadClusters() | |
407 | { | |
408 | // | |
409 | // To be implemented | |
410 | // | |
411 | ||
412 | Info("UnloadClusters","To be implemented"); | |
413 | } | |
414 | //_________________________________________________________________________ | |
415 | AliCluster * AliITSUTrackerGlo::GetCluster(Int_t /*index*/) const | |
416 | { | |
417 | // | |
418 | // To be implemented | |
419 | // | |
420 | ||
421 | Info("GetCluster","To be implemented"); | |
422 | return 0x0; | |
423 | } | |
424 | ||
425 | //_________________________________________________________________________ | |
0e40ce66 | 426 | Bool_t AliITSUTrackerGlo::NeedToProlong(AliESDtrack* esdTr, Int_t esdID) |
32d38de2 | 427 | { |
428 | // do we need to match this track to ITS? | |
429 | // | |
430 | static double bz = GetBz(); | |
0e40ce66 | 431 | // |
432 | // is it already prolonged | |
433 | if (esdTr->IsOn(AliESDtrack::kITSin)) return kFALSE; | |
434 | AliITSUTrackHyp* hyp = GetTrackHyp(esdID); // in case there is unfinished hypothesis from prev.pass, clean it | |
435 | if (hyp) { | |
436 | CleanHypothesis(hyp); | |
437 | if (hyp->GetSkip()) return kFALSE; // need to skip this | |
438 | return kTRUE; | |
439 | } | |
440 | // | |
32d38de2 | 441 | if (!esdTr->IsOn(AliESDtrack::kTPCin) || |
442 | esdTr->IsOn(AliESDtrack::kTPCout) || | |
443 | esdTr->IsOn(AliESDtrack::kITSin) || | |
444 | esdTr->GetKinkIndex(0)>0) return kFALSE; | |
445 | // | |
c61e50c3 | 446 | if (esdTr->Pt()<AliITSUReconstructor::GetRecoParam()->GetMinPtForProlongation()) return kFALSE; |
32d38de2 | 447 | // |
448 | float dtz[2]; | |
449 | esdTr->GetDZ(GetX(),GetY(),GetZ(),bz,dtz); | |
450 | // if track is not V0 candidata but has large offset wrt IP, reject it. RS TOCHECK | |
c61e50c3 | 451 | if ( !(esdTr->GetV0Index(0)>0 && dtz[0]>AliITSUReconstructor::GetRecoParam()->GetMaxDforV0dghtrForProlongation()) |
452 | && (Abs(dtz[0])>AliITSUReconstructor::GetRecoParam()->GetMaxDForProlongation() || | |
453 | Abs(dtz[1])>AliITSUReconstructor::GetRecoParam()->GetMaxDZForProlongation())) return kFALSE; | |
32d38de2 | 454 | // |
cb50e082 | 455 | // if (esdTr->Pt()<3) return kFALSE;//RS |
32d38de2 | 456 | return kTRUE; |
457 | } | |
458 | ||
459 | //_________________________________________________________________________ | |
716ccba7 | 460 | void AliITSUTrackerGlo::FindTrack(AliESDtrack* esdTr, Int_t esdID) |
32d38de2 | 461 | { |
462 | // find prolongaion candidates finding for single seed | |
463 | // | |
3e4e3c23 | 464 | AliITSUSeed seedUC; // copy of the seed from the upper layer |
465 | AliITSUSeed seedT; // transient seed between the seedUC and new prolongation hypothesis | |
466 | // | |
d99994b2 | 467 | // AliLog::SetClassDebugLevel("AliITSUTrackerGlo",10); |
6cd80116 | 468 | AliITSUTrackHyp* hypTr = InitHypothesis(esdTr,esdID); // initialize prolongations hypotheses tree |
9cdcba2c | 469 | if (!hypTr || hypTr->GetSkip()) return; |
470 | // | |
d99994b2 | 471 | double bz = GetBz(); |
6cd80116 | 472 | fCurrHyp = fWorkHyp; |
473 | fCurrHyp->InitFrom(hypTr); | |
32d38de2 | 474 | // |
173b3073 | 475 | AliITSURecoSens *hitSens[AliITSURecoSens::kNNeighbors+1]; |
f8832015 | 476 | // |
d99994b2 | 477 | int ilaUp = fNLrActive; // previous active layer really checked (some may be excluded!) |
32d38de2 | 478 | // |
d99994b2 | 479 | for (int ila=fNLrActive;ila--;ilaUp=fCurrActLrID) { |
480 | if (fCurrTrackCond->IsLayerExcluded(ila)) continue; | |
c03e4f8a | 481 | fCurrActLrID = ila; |
482 | fCurrLayer = fITS->GetLayerActive(ila); | |
483 | Bool_t noClSharing = fCurrTrackCond->GetClSharing(ila)==0; | |
3e4e3c23 | 484 | // |
485 | // for the outermost layer the seed is created from the ESD track | |
6cd80116 | 486 | int nSeedsUp = (ilaUp==fNLrActive) ? 1 : fCurrHyp->GetNSeeds(ilaUp); |
38997c3c | 487 | int maxNBranches = fCurrTrackCond->GetMaxBranches(ila); |
488 | int maxNCandidates = fCurrTrackCond->GetMaxCandidates(ila); | |
3e4e3c23 | 489 | // |
32d38de2 | 490 | for (int isd=0;isd<nSeedsUp;isd++) { |
3e4e3c23 | 491 | AliITSUSeed* seedU; |
6cd80116 | 492 | if (ilaUp==fNLrActive) { |
3e4e3c23 | 493 | seedU = 0; |
70cb7fe4 | 494 | seedUC.InitFromSeed(fCurrHyp->GetTPCSeed()); // init with TPC seed from ref.R |
3e4e3c23 | 495 | } |
496 | else { | |
497 | seedU = fCurrHyp->GetSeed(ilaUp,isd); // seed on prev.active layer to prolong | |
c03e4f8a | 498 | if (seedU->IsKilled()) continue; |
3e4e3c23 | 499 | seedUC = *seedU; // its copy will be prolonged |
b8b59e05 | 500 | seedUC.SetParent(seedU); |
3e4e3c23 | 501 | } |
943e1898 | 502 | seedUC.ResetFMatrix(); // reset the matrix for propagation to next layer |
32d38de2 | 503 | // go till next active layer |
0ddbf657 | 504 | AliDebug(2,Form("working on Lr:%d Seed:%d of %d for esdID=%d (MClb:%d) | pT=%.3f",ila,isd,nSeedsUp,esdID,fCurrESDtrMClb,seedUC.Pt())); |
70cb7fe4 | 505 | if (!TransportToLayer(&seedUC, fITS->GetLrIDActive(ilaUp), fITS->GetLrIDActive(ila)) ) { // external seed already prolonged |
32d38de2 | 506 | // |
0ddbf657 | 507 | AliDebug(2,Form("Transport failed | esdID=%d (MClb:%d)",esdID,fCurrESDtrMClb)); |
32d38de2 | 508 | // Check if the seed satisfies to track definition |
b8b59e05 | 509 | if (NeedToKill(&seedUC,kTransportFailed) && seedU) KillSeed(seedU,kTRUE); |
32d38de2 | 510 | continue; // RS TODO: decide what to do with tracks stopped on higher layers w/o killing |
511 | } | |
f8832015 | 512 | if (!GetRoadWidth(&seedUC, ila)) { // failed to find road width on the layer |
b8b59e05 | 513 | if (NeedToKill(&seedUC,kRWCheckFailed) && seedU) KillSeed(seedU,kTRUE); |
32d38de2 | 514 | continue; |
515 | } | |
5785a9d8 | 516 | /* |
517 | //RS toremove | |
518 | int mcquest = -1; | |
c03e4f8a | 519 | if (!seedUC.ContainsFake() && AliDebugLevelClass()>2) { |
5785a9d8 | 520 | mcquest = fCurrESDtrMClb; |
521 | seedUC.Print("etp"); | |
522 | printf("FSParams: "); for (int ip=0;ip<kNTrImpData;ip++) printf("%+e ",fTrImpData[ip]); printf("\n"); | |
523 | } | |
524 | // | |
c03e4f8a | 525 | int nsens = fCurrLayer->FindSensors(&fTrImpData[kTrPhi0], hitSens, mcquest); // find detectors which may be hit by the track |
5785a9d8 | 526 | */ |
c03e4f8a | 527 | int nsens = fCurrLayer->FindSensors(&fTrImpData[kTrPhi0], hitSens); // find detectors which may be hit by the track |
0ddbf657 | 528 | AliDebug(2,Form("Will check %d sensors on lr:%d | esdID=%d (MClb:%d)",nsens,ila,esdID,fCurrESDtrMClb)); |
32d38de2 | 529 | // |
38997c3c | 530 | seedUC.SetLr(ila); |
531 | // | |
32d38de2 | 532 | for (int isn=nsens;isn--;) { |
c61e50c3 | 533 | AliITSURecoSens* sens = hitSens[isn]; |
38997c3c | 534 | int ncl = sens->GetNClusters(); |
535 | if (!ncl) continue; | |
536 | seedT = seedUC; | |
f8832015 | 537 | // |
c03e4f8a | 538 | // We need to propagate the seed to sensor on fCurrLayer staying in the frame of the sensor from prev.layer, |
943e1898 | 539 | // since the transport matrix should be defined in this frame. |
540 | double xs; // X in the TF of current seed, corresponding to intersection with sensor plane | |
53870004 | 541 | if (!seedT.GetTrackingXAtXAlpha(sens->GetXTF(),sens->GetPhiTF(),bz, xs)) { |
542 | if (AliDebugLevelClass()>2) { | |
543 | printf("Failed on GetTrackingXAtXAlpha: X=%.4f alp=%.3f\n",sens->GetXTF(),sens->GetPhiTF()); | |
544 | seedT.Print("etp"); | |
545 | } | |
546 | continue; | |
547 | } | |
548 | if (xs<seedT.GetX()) { | |
549 | if (!PropagateSeed(&seedT,xs,fCurrMass)) continue; | |
550 | } | |
551 | else { // some low precision tracks may hit the sensor plane outside of the layer radius | |
552 | if (AliDebugLevelClass()>2) { | |
553 | if (!seedT.ContainsFake()) { | |
554 | printf("WRONG PROP on L%d, sens%d of %d: %.4f > %.4f\n",ila,isn,nsens,xs,seedT.GetX()); | |
555 | sens->Print(); | |
556 | seedT.Print("etp"); | |
557 | } | |
558 | } | |
559 | if (!seedT.PropagateParamOnlyTo(xs,bz)) continue; | |
560 | } | |
8b16dbae | 561 | // if (!seedT.PropagateToX(xs,bz)) continue; |
716ccba7 | 562 | // if (!seedT.Rotate(sens->GetPhiTF())) continue; |
563 | if (!seedT.RotateToAlpha(sens->GetPhiTF())) continue; | |
943e1898 | 564 | // |
f8832015 | 565 | int clID0 = sens->GetFirstClusterId(); |
cb50e082 | 566 | for (int icl=ncl;icl--;) { // don't change the order, clusters are sorted |
c03e4f8a | 567 | //AliLog::SetClassDebugLevel("AliITSUTrackerGlo",10); |
568 | int clID = clID0 + icl; | |
569 | if (noClSharing && fCurrLayer->GetCluster(clID)->IsClusterUsed()) continue; | |
f8832015 | 570 | int res = CheckCluster(&seedT,ila,clID0+icl); |
c03e4f8a | 571 | //AliLog::SetClassDebugLevel("AliITSUTrackerGlo", 0); |
f8832015 | 572 | // |
573 | if (res==kStopSearchOnSensor) break; // stop looking on this sensor | |
574 | if (res==kClusterNotMatching) continue; // cluster does not match | |
575 | // cluster is matching and it was added to the hypotheses tree | |
c61e50c3 | 576 | } |
32d38de2 | 577 | } |
38997c3c | 578 | // cluster search is done. Do we need to have a version of this seed skipping current layer |
579 | if (!NeedToKill(&seedUC,kMissingCluster)) { | |
b2d3bc3a | 580 | AliITSUSeed* seedSkp = NewSeedFromPool(&seedUC); |
ee54014a | 581 | double penalty = -fCurrTrackCond->GetMissPenalty(ila); |
716ccba7 | 582 | // to do: make penalty to account for probability to miss the cluster for good reason |
583 | seedSkp->SetChi2Cl(penalty); | |
08419930 | 584 | if (seedSkp->GetChi2GloNrm()>fCurrTrackCond->GetMaxChi2GloNrm(ila)) { |
585 | MarkSeedFree(seedSkp); | |
586 | } | |
587 | else AddSeedBranch(seedSkp); | |
716ccba7 | 588 | } |
38997c3c | 589 | // transfer the new branches of the seed to the hypothesis container |
590 | if (fNBranchesAdded) ValidateAllowedBranches(maxNBranches); | |
591 | // | |
32d38de2 | 592 | } |
38997c3c | 593 | if (fNCandidatesAdded) ValidateAllowedCandidates(ila,maxNCandidates); |
594 | // ((TObjArray*)fCurrHyp->GetLayerSeeds(ila))->Sort(); | |
595 | if (AliDebugLevelClass()>2) { //RS | |
15b02d69 | 596 | printf(">>> All hypotheses on lr %d: \n",ila); |
597 | for (int ih=0;ih<fCurrHyp->GetNSeeds(ila);ih++) {printf(" #%3d ",ih); fCurrHyp->GetSeed(ila,ih)->Print();} | |
598 | } | |
599 | // | |
600 | /* | |
716ccba7 | 601 | for (int ih=0;ih<fCurrHyp->GetNSeeds(ila);ih++) { |
716ccba7 | 602 | if (ila!=0) continue; |
603 | double vecL[5] = {0}; | |
604 | double matL[15] = {0}; | |
605 | AliITSUSeed* sp = fCurrHyp->GetSeed(ila,ih); | |
606 | while(sp->GetParent()) { | |
607 | sp->Smooth(vecL,matL); | |
6cd80116 | 608 | if (sp->GetLayerID()>=fNLrActive-1) break; |
716ccba7 | 609 | sp = (AliITSUSeed*)sp->GetParent(); |
610 | } | |
611 | */ | |
32d38de2 | 612 | } |
613 | // | |
6cd80116 | 614 | SaveReducedHypothesesTree(hypTr); |
615 | if (AliDebugLevelClass()>1) { | |
616 | printf("\nSaved hypotheses for esdTrack %d (MCLab:%d)\n",esdID,fCurrESDtrMClb); | |
617 | hypTr->Print("l"); | |
618 | } | |
619 | fCurrHyp = 0; | |
d99994b2 | 620 | // AliLog::SetClassDebugLevel("AliITSUTrackerGlo",0); |
716ccba7 | 621 | // |
32d38de2 | 622 | } |
623 | ||
624 | //_________________________________________________________________________ | |
6cd80116 | 625 | AliITSUTrackHyp* AliITSUTrackerGlo::InitHypothesis(AliESDtrack *esdTr, Int_t esdID) |
32d38de2 | 626 | { |
c61e50c3 | 627 | // init prolongaion candidates finding for single seed |
6cd80116 | 628 | AliITSUTrackHyp* hyp = GetTrackHyp(esdID); |
629 | if (hyp) return hyp; | |
716ccba7 | 630 | // |
0ddbf657 | 631 | fCountProlongationTrials++; |
632 | // | |
32d38de2 | 633 | fCurrMass = esdTr->GetMass(); |
634 | if (fCurrMass<kPionMass*0.9) fCurrMass = kPionMass; // don't trust to mu, e identification from TPCin | |
c61e50c3 | 635 | // |
6cd80116 | 636 | hyp = new AliITSUTrackHyp(fNLrActive); |
637 | hyp->SetESDTrack(esdTr); | |
638 | hyp->SetUniqueID(esdID); | |
639 | hyp->SetMass(fCurrMass); | |
9cdcba2c | 640 | hyp->SetTPCSeed( new AliExternalTrackParam(*esdTr) ); |
6cd80116 | 641 | SetTrackHyp(hyp,esdID); |
9cdcba2c | 642 | |
70cb7fe4 | 643 | if (!TransportToLayer(hyp->GetTPCSeed(),fITS->GetNLayers(), fITS->GetLrIDActive(fNLrActive-1), fITS->GetRITSTPCRef())) hyp->SetSkip(); // propagate to outer R of ITS |
3e4e3c23 | 644 | // |
6cd80116 | 645 | return hyp; |
32d38de2 | 646 | // TO DO |
647 | } | |
648 | ||
649 | //_________________________________________________________________________ | |
70cb7fe4 | 650 | Bool_t AliITSUTrackerGlo::TransportToLayer(AliITSUSeed* seed, Int_t lFrom, Int_t lTo, Double_t rLim) |
32d38de2 | 651 | { |
70cb7fe4 | 652 | // transport seed from layerFrom to the entrance (along the direction of the track) of layerTo or to rLim (if>0), wathever is closer |
32d38de2 | 653 | // |
8b16dbae | 654 | // |
655 | if (lTo==lFrom) AliFatal(Form("was called with lFrom=%d lTo=%d",lFrom,lTo)); | |
656 | // | |
32d38de2 | 657 | int dir = lTo > lFrom ? 1:-1; |
658 | AliITSURecoLayer* lrFr = fITS->GetLayer(lFrom); // this can be 0 when extrapolation from TPC to ITS is requested | |
659 | Bool_t checkFirst = kTRUE; | |
70cb7fe4 | 660 | Bool_t limReached = kFALSE; |
32d38de2 | 661 | while(lFrom!=lTo) { |
32d38de2 | 662 | if (lrFr) { |
70cb7fe4 | 663 | if (!GoToExitFromLayer(seed,lrFr,dir,checkFirst)) return kFALSE; // go till the end of current layer |
e2d2481c | 664 | checkFirst = kFALSE; |
32d38de2 | 665 | } |
666 | AliITSURecoLayer* lrTo = fITS->GetLayer( (lFrom+=dir) ); | |
667 | if (!lrTo) AliFatal(Form("Layer %d does not exist",lFrom)); | |
668 | // | |
669 | // go the entrance of the layer, assuming no materials in between | |
8b16dbae | 670 | double xToGo = lrTo->GetR(-dir); |
70cb7fe4 | 671 | if (rLim>0) { |
672 | if (dir>0) { | |
673 | if (rLim<xToGo) {xToGo = rLim; limReached = kTRUE;} | |
674 | } | |
675 | else { | |
676 | if (rLim>xToGo) {xToGo = rLim; limReached = kTRUE;} | |
677 | } | |
678 | } | |
0ddbf657 | 679 | // double xts = xToGo; |
b2d3bc3a | 680 | if (!seed->GetXatLabR(xToGo,xToGo,GetBz(),dir)) { |
0ddbf657 | 681 | //printf("FailHere1: %f %f %d\n",xts,xToGo,dir); |
682 | //seed->Print("etp"); | |
70cb7fe4 | 683 | // |
b2d3bc3a | 684 | return kFALSE; |
685 | } | |
b515ad7e | 686 | AliDebug(2,Form("go in dir=%d to R=%.4f(X:%.4f)",dir,lrTo->GetR(-dir), xToGo)); |
b2d3bc3a | 687 | if (!PropagateSeed(seed,xToGo,fCurrMass,100, kFALSE )) { |
0ddbf657 | 688 | //printf("FailHere2: %f %f %d\n",xts,xToGo,dir); |
689 | //seed->Print("etp"); | |
b2d3bc3a | 690 | return kFALSE; |
691 | } | |
32d38de2 | 692 | lrFr = lrTo; |
70cb7fe4 | 693 | if (limReached) break; |
32d38de2 | 694 | } |
695 | return kTRUE; | |
696 | // | |
697 | } | |
698 | ||
3e4e3c23 | 699 | //_________________________________________________________________________ |
70cb7fe4 | 700 | Bool_t AliITSUTrackerGlo::TransportToLayer(AliExternalTrackParam* seed, Int_t lFrom, Int_t lTo, Double_t rLim) |
3e4e3c23 | 701 | { |
70cb7fe4 | 702 | // transport track from layerFrom to the entrance of layerTo or to rLim (if>0), wathever is closer |
3e4e3c23 | 703 | // |
8b16dbae | 704 | if (lTo==lFrom) AliFatal(Form("was called with lFrom=%d lTo=%d",lFrom,lTo)); |
705 | // | |
3e4e3c23 | 706 | int dir = lTo > lFrom ? 1:-1; |
707 | AliITSURecoLayer* lrFr = fITS->GetLayer(lFrom); // this can be 0 when extrapolation from TPC to ITS is requested | |
708 | Bool_t checkFirst = kTRUE; | |
70cb7fe4 | 709 | Bool_t limReached = kFALSE; |
3e4e3c23 | 710 | while(lFrom!=lTo) { |
3e4e3c23 | 711 | if (lrFr) { |
e2d2481c | 712 | if (!GoToExitFromLayer(seed,lrFr,dir,checkFirst)) return kFALSE; // go till the end of current layer |
713 | checkFirst = kFALSE; | |
3e4e3c23 | 714 | } |
715 | AliITSURecoLayer* lrTo = fITS->GetLayer( (lFrom+=dir) ); | |
716 | if (!lrTo) AliFatal(Form("Layer %d does not exist",lFrom)); | |
717 | // | |
0ddbf657 | 718 | // go the entrance of the layer, assuming no materials in between |
719 | double xToGo = lrTo->GetR(-dir); | |
70cb7fe4 | 720 | if (rLim>0) { |
721 | if (dir>0) { | |
722 | if (rLim<xToGo) {xToGo = rLim; limReached = kTRUE;} | |
723 | } | |
724 | else { | |
725 | if (rLim>xToGo) {xToGo = rLim; limReached = kTRUE;} | |
726 | } | |
727 | } | |
0ddbf657 | 728 | // double xts = xToGo; |
729 | if (!seed->GetXatLabR(xToGo,xToGo,GetBz(),dir)) { | |
730 | // printf("FailHere1: %f %f %d\n",xts,xToGo,dir); | |
731 | // seed->Print("etp"); | |
732 | return kFALSE; | |
733 | } | |
b515ad7e | 734 | AliDebug(2,Form("go in dir=%d to R=%.4f(X:%.4f)",dir,lrTo->GetR(-dir), xToGo)); |
735 | if (!PropagateSeed(seed,xToGo,fCurrMass,100, kFALSE )) { | |
736 | //printf("FailHere2: %f %f %d\n",xts,xToGo,dir); | |
737 | //seed->Print("etp"); | |
738 | return kFALSE; | |
739 | } | |
740 | lrFr = lrTo; | |
70cb7fe4 | 741 | if (limReached) break; |
b515ad7e | 742 | } |
743 | return kTRUE; | |
744 | // | |
745 | } | |
746 | ||
747 | //_________________________________________________________________________ | |
748 | Bool_t AliITSUTrackerGlo::TransportToLayerX(AliExternalTrackParam* seed, Int_t lFrom, Int_t lTo, Double_t xStop) | |
749 | { | |
750 | // transport track from layerFrom to the entrance of layerTo but do not pass control parameter X | |
751 | // | |
752 | if (lTo==lFrom) AliFatal(Form("was called with lFrom=%d lTo=%d",lFrom,lTo)); | |
753 | // | |
754 | int dir = lTo > lFrom ? 1:-1; | |
755 | AliITSURecoLayer* lrFr = fITS->GetLayer(lFrom); // this can be 0 when extrapolation from TPC to ITS is requested | |
756 | Bool_t checkFirst = kTRUE; | |
757 | while(lFrom!=lTo) { | |
758 | if (lrFr) { | |
759 | if (!GoToExitFromLayer(seed,lrFr,dir,checkFirst)) return kFALSE; // go till the end of current layer | |
760 | checkFirst = kFALSE; | |
761 | } | |
762 | AliITSURecoLayer* lrTo = fITS->GetLayer( (lFrom+=dir) ); | |
763 | if (!lrTo) AliFatal(Form("Layer %d does not exist",lFrom)); | |
764 | // | |
765 | // go the entrance of the layer, assuming no materials in between | |
766 | double xToGo = lrTo->GetR(-dir); // R of the entrance to layer | |
767 | // | |
768 | // double xts = xToGo; | |
769 | if (!seed->GetXatLabR(xToGo,xToGo,GetBz(),dir)) { | |
770 | // printf("FailHere1: %f %f %d\n",xts,xToGo,dir); | |
771 | // seed->Print("etp"); | |
772 | return kFALSE; | |
773 | } | |
774 | if ( (dir>0&&xToGo>xStop) || (dir<0&&xToGo<xStop) ) xToGo = xStop; | |
775 | // | |
776 | AliDebug(2,Form("go in dir=%d to R=%.4f(X:%.4f)",dir,lrTo->GetR(-dir), xToGo)); | |
0ddbf657 | 777 | if (!PropagateSeed(seed,xToGo,fCurrMass,100, kFALSE )) { |
778 | //printf("FailHere2: %f %f %d\n",xts,xToGo,dir); | |
779 | //seed->Print("etp"); | |
780 | return kFALSE; | |
781 | } | |
3e4e3c23 | 782 | lrFr = lrTo; |
783 | } | |
784 | return kTRUE; | |
785 | // | |
786 | } | |
787 | ||
e2d2481c | 788 | //_________________________________________________________________________ |
789 | Bool_t AliITSUTrackerGlo::GoToExitFromLayer(AliITSUSeed* seed, AliITSURecoLayer* lr, Int_t dir, Bool_t check) | |
790 | { | |
791 | // go to the exit from lr in direction dir, applying material corrections in steps specific for this layer | |
792 | // If check is requested, do this only provided the track has not exited the layer already | |
793 | double xToGo = lr->GetR(dir); | |
794 | if (check) { // do we need to track till the surface of the current layer ? | |
795 | double curR2 = seed->GetX()*seed->GetX() + seed->GetY()*seed->GetY(); // current radius | |
15b02d69 | 796 | AliDebug(3,Form(" dir:%d Cur: %e Tgt: %e",dir,Sqrt(curR2),xToGo)); |
0ddbf657 | 797 | if (dir>0) { if (curR2-xToGo*xToGo>-fgkToler) return kTRUE; } // on the surface or outside of the layer |
798 | else if (dir<0) { if (xToGo*xToGo-curR2>-fgkToler) return kTRUE; } // on the surface or outside of the layer | |
e2d2481c | 799 | } |
800 | if (!seed->GetXatLabR(xToGo,xToGo,GetBz(),dir)) return kFALSE; | |
801 | // go via layer to its boundary, applying material correction. | |
802 | if (!PropagateSeed(seed,xToGo,fCurrMass, lr->GetMaxStep())) return kFALSE; | |
e7d83d38 | 803 | // |
e2d2481c | 804 | return kTRUE; |
805 | // | |
806 | } | |
807 | ||
808 | //_________________________________________________________________________ | |
809 | Bool_t AliITSUTrackerGlo::GoToExitFromLayer(AliExternalTrackParam* seed, AliITSURecoLayer* lr, Int_t dir, Bool_t check) | |
810 | { | |
811 | // go to the exit from lr in direction dir, applying material corrections in steps specific for this layer | |
812 | // If check is requested, do this only provided the track has not exited the layer already | |
813 | double xToGo = lr->GetR(dir); | |
814 | if (check) { // do we need to track till the surface of the current layer ? | |
815 | double curR2 = seed->GetX()*seed->GetX() + seed->GetY()*seed->GetY(); // current radius | |
0ddbf657 | 816 | if (dir>0) { if (curR2-xToGo*xToGo>-fgkToler) return kTRUE; } // on the surface or outside of the layer |
817 | else if (dir<0) { if (xToGo*xToGo-curR2>-fgkToler) return kTRUE; } // on the surface or outside of the layer | |
e2d2481c | 818 | } |
b515ad7e | 819 | AliDebug(2,Form(" dir=%d : from R=%.4f -> R=%.4f",dir,Sqrt(seed->GetX()*seed->GetX() + seed->GetY()*seed->GetY()), xToGo)); |
e2d2481c | 820 | if (!seed->GetXatLabR(xToGo,xToGo,GetBz(),dir)) return kFALSE; |
821 | // go via layer to its boundary, applying material correction. | |
822 | if (!PropagateSeed(seed,xToGo,fCurrMass, lr->GetMaxStep())) return kFALSE; | |
e7d83d38 | 823 | // |
e2d2481c | 824 | return kTRUE; |
825 | // | |
826 | } | |
827 | ||
828 | ||
829 | //_________________________________________________________________________ | |
830 | Bool_t AliITSUTrackerGlo::GoToEntranceToLayer(AliITSUSeed* seed, AliITSURecoLayer* lr, Int_t dir, Bool_t check) | |
831 | { | |
832 | // go to the entrance of lr in direction dir, w/o applying material corrections. | |
833 | // If check is requested, do this only provided the track did not reach the layer already | |
834 | double xToGo = lr->GetR(-dir); | |
835 | if (check) { // do we need to track till the surface of the current layer ? | |
836 | double curR2 = seed->GetX()*seed->GetX() + seed->GetY()*seed->GetY(); // current radius | |
0ddbf657 | 837 | if (dir>0) { if (curR2-xToGo*xToGo>-fgkToler) return kTRUE; } // already passed |
838 | else if (dir<0) { if (xToGo*xToGo-curR2>-fgkToler) return kTRUE; } // already passed | |
e2d2481c | 839 | } |
840 | if (!seed->GetXatLabR(xToGo,xToGo,GetBz(),dir)) return kFALSE; | |
841 | // go via layer to its boundary, applying material correction. | |
842 | if (!PropagateSeed(seed,xToGo,fCurrMass, 100, kFALSE)) return kFALSE; | |
843 | return kTRUE; | |
844 | // | |
845 | } | |
846 | ||
847 | //_________________________________________________________________________ | |
848 | Bool_t AliITSUTrackerGlo::GoToEntranceToLayer(AliExternalTrackParam* seed, AliITSURecoLayer* lr, Int_t dir, Bool_t check) | |
849 | { | |
850 | // go to the entrance of lr in direction dir, w/o applying material corrections. | |
851 | // If check is requested, do this only provided the track did not reach the layer already | |
852 | double xToGo = lr->GetR(-dir); | |
853 | if (check) { // do we need to track till the surface of the current layer ? | |
854 | double curR2 = seed->GetX()*seed->GetX() + seed->GetY()*seed->GetY(); // current radius | |
0ddbf657 | 855 | if (dir>0) { if (curR2-xToGo*xToGo>-fgkToler) return kTRUE; } // already passed |
856 | else if (dir<0) { if (xToGo*xToGo-curR2>-fgkToler) return kTRUE; } // already passed | |
e2d2481c | 857 | } |
858 | if (!seed->GetXatLabR(xToGo,xToGo,GetBz(),dir)) return kFALSE; | |
859 | // go via layer to its boundary, applying material correction. | |
860 | if (!PropagateSeed(seed,xToGo,fCurrMass, 100, kFALSE)) return kFALSE; | |
861 | return kTRUE; | |
862 | // | |
863 | } | |
864 | ||
32d38de2 | 865 | //_________________________________________________________________________ |
c61e50c3 | 866 | Bool_t AliITSUTrackerGlo::GetRoadWidth(AliITSUSeed* seed, int ilrA) |
32d38de2 | 867 | { |
868 | // calculate road width in terms of phi and z for the track which MUST be on the external radius of the layer | |
869 | // as well as some aux info | |
870 | double bz = GetBz(); | |
871 | AliITSURecoLayer* lrA = fITS->GetLayerActive(ilrA); | |
c61e50c3 | 872 | seed->GetXYZ(&fTrImpData[kTrXIn]); // lab position at the entrance from above |
53870004 | 873 | static AliExternalTrackParam sc; // seed copy for manipulations |
943e1898 | 874 | sc = *seed; |
32d38de2 | 875 | // |
c61e50c3 | 876 | fTrImpData[kTrPhiIn] = ATan2(fTrImpData[kTrYIn],fTrImpData[kTrXIn]); |
943e1898 | 877 | if (!sc.Rotate(fTrImpData[kTrPhiIn])) return kFALSE; // go to the frame of the entry point into the layer |
c61e50c3 | 878 | double dr = lrA->GetDR(); // approximate X dist at the inner radius |
943e1898 | 879 | if (!sc.GetXYZAt(sc.GetX()-dr, bz, fTrImpData + kTrXOut)) { |
32d38de2 | 880 | // special case: track does not reach inner radius, might be tangential |
943e1898 | 881 | double r = sc.GetD(0,0,bz); |
32d38de2 | 882 | double x; |
bdb92766 | 883 | if (!sc.GetXatLabR(r,x,bz,-1)) return kFALSE; |
943e1898 | 884 | dr = Abs(sc.GetX() - x); |
bdb92766 | 885 | if (!sc.GetXYZAt(x, bz, fTrImpData + kTrXOut)) return kFALSE; |
32d38de2 | 886 | } |
887 | // | |
c61e50c3 | 888 | fTrImpData[kTrPhiOut] = ATan2(fTrImpData[kTrYOut],fTrImpData[kTrXOut]); |
943e1898 | 889 | double sgy = sc.GetSigmaY2() + dr*dr*sc.GetSigmaSnp2() + AliITSUReconstructor::GetRecoParam()->GetSigmaY2(ilrA); |
890 | double sgz = sc.GetSigmaZ2() + dr*dr*sc.GetSigmaTgl2() + AliITSUReconstructor::GetRecoParam()->GetSigmaZ2(ilrA); | |
ee54014a | 891 | sgy = Sqrt(sgy)*fCurrTrackCond->GetNSigmaRoadY(ilrA); |
892 | sgz = Sqrt(sgz)*fCurrTrackCond->GetNSigmaRoadZ(ilrA); | |
5785a9d8 | 893 | double dphi0 = 0.5*Abs(fTrImpData[kTrPhiOut]-fTrImpData[kTrPhiIn]); |
894 | double phi0 = 0.5*(fTrImpData[kTrPhiOut]+fTrImpData[kTrPhiIn]); | |
895 | if ( dphi0>(0.5*Pi()) ) { | |
896 | // special case of angles around pi | |
897 | dphi0 = Abs(phi0); | |
898 | phi0 += Pi(); | |
899 | } | |
900 | ||
901 | fTrImpData[kTrPhi0] = phi0; | |
173b3073 | 902 | fTrImpData[kTrZ0] = 0.5*(fTrImpData[kTrZOut]+fTrImpData[kTrZIn]); |
31e2f5d4 | 903 | dphi0 += sgy/lrA->GetR(); |
904 | fTrImpData[kTrDPhi] = dphi0<PiOver2() ? dphi0 : PiOver2(); | |
173b3073 | 905 | fTrImpData[kTrDZ] = 0.5*Abs(fTrImpData[kTrZOut]-fTrImpData[kTrZIn]) + sgz; |
32d38de2 | 906 | // |
907 | return kTRUE; | |
908 | } | |
909 | ||
b8b59e05 | 910 | //________________________________________ |
911 | void AliITSUTrackerGlo::ResetSeedsPool() | |
912 | { | |
913 | // mark all seeds in the pool as unused | |
0ddbf657 | 914 | AliDebug(-1,Form("CurrentSize: %d, BookedUpTo: %d, free: %d",fSeedsPool.GetSize(),fSeedsPool.GetEntriesFast(),fNFreeSeeds)); |
b8b59e05 | 915 | fNFreeSeeds = 0; |
916 | fSeedsPool.Clear(); // seeds don't allocate memory | |
917 | } | |
918 | ||
919 | ||
920 | //________________________________________ | |
921 | void AliITSUTrackerGlo::MarkSeedFree(AliITSUSeed *sd) | |
32d38de2 | 922 | { |
b8b59e05 | 923 | // account that this seed is "deleted" |
924 | int id = sd->GetPoolID(); | |
925 | if (id<0) { | |
926 | AliError(Form("Freeing of seed %p NOT from the pool is requested",sd)); | |
927 | return; | |
928 | } | |
929 | // AliInfo(Form("%d %p",id, seed)); | |
930 | fSeedsPool.RemoveAt(id); | |
931 | if (fFreeSeedsID.GetSize()<=fNFreeSeeds) fFreeSeedsID.Set( 2*fNFreeSeeds + 100 ); | |
932 | fFreeSeedsID.GetArray()[fNFreeSeeds++] = id; | |
32d38de2 | 933 | } |
f8832015 | 934 | |
935 | //_________________________________________________________________________ | |
936 | Int_t AliITSUTrackerGlo::CheckCluster(AliITSUSeed* track, Int_t lr, Int_t clID) | |
937 | { | |
938 | // Check if the cluster (in tracking frame!) is matching to track. | |
939 | // The track must be already propagated to sensor tracking frame. | |
940 | // Returns: kStopSearchOnSensor if the search on given sensor should be stopped, | |
941 | // kClusterMatching if the cluster is matching | |
942 | // kClusterMatching otherwise | |
943 | // | |
f8832015 | 944 | const double kTolerX = 5e-4; |
c03e4f8a | 945 | // AliCluster *cl = fITS->GetLayerActive(lr)->GetCluster(clID); |
946 | AliCluster *cl = fCurrLayer->GetCluster(clID); | |
f8832015 | 947 | // |
c8d1f258 | 948 | Bool_t goodCl = kFALSE; |
0ddbf657 | 949 | int currLabel = Abs(fCurrESDtrMClb); |
716ccba7 | 950 | // |
8b16dbae | 951 | if (cl->GetLabel(0)>=0) { |
952 | for (int i=0;i<3;i++) if (cl->GetLabel(i)>=0 && cl->GetLabel(i)==currLabel) {goodCl = kTRUE; break;} | |
953 | } | |
c8d1f258 | 954 | // |
f8832015 | 955 | if (TMath::Abs(cl->GetX())>kTolerX) { // if due to the misalingment X is large, propagate track only |
c8d1f258 | 956 | if (!track->PropagateParamOnlyTo(track->GetX()+cl->GetX(),GetBz())) { |
08419930 | 957 | // |
958 | if (AliDebugLevelClass()>2 && goodCl && !track->ContainsFake()) { | |
53870004 | 959 | AliDebug(2,Form("Lost good cl on L:%d failed propagation. |ESDtrack#%d (MClb:%d)",lr,fCurrESDtrack->GetID(),fCurrESDtrMClb)); |
960 | track->Print("etp"); | |
15b02d69 | 961 | cl->Print(); |
962 | } | |
c8d1f258 | 963 | return kStopSearchOnSensor; // propagation failed, seedT is intact |
964 | } | |
f8832015 | 965 | } |
3dd9c283 | 966 | double dy = cl->GetY()-track->GetY(); |
c8d1f258 | 967 | double dz = cl->GetZ()-track->GetZ(); |
0091e9f0 | 968 | // |
f8832015 | 969 | double dy2 = dy*dy; |
970 | double tol2 = (track->GetSigmaY2() + AliITSUReconstructor::GetRecoParam()->GetSigmaY2(lr))* | |
ee54014a | 971 | fCurrTrackCond->GetNSigmaRoadY(lr)*fCurrTrackCond->GetNSigmaRoadY(lr); // RS TOOPTIMIZE |
f8832015 | 972 | if (dy2>tol2) { // the clusters are sorted in Z(col) then in Y(row). |
08419930 | 973 | // |
974 | if (AliDebugLevelClass()>2 && goodCl && !track->ContainsFake()) { | |
53870004 | 975 | AliDebug(2,Form("Lost good cl: dy2=%e > tol2=%e |ESDtrack#%d (MClb:%d)",dy2,tol2,fCurrESDtrack->GetID(),fCurrESDtrMClb)); |
976 | track->Print("etp"); | |
15b02d69 | 977 | cl->Print(); |
53870004 | 978 | PrintSeedClusters(track); |
15b02d69 | 979 | } |
cb50e082 | 980 | // clusters are sorted in increasing Y and the loop goes from last (highers Y) to 1st. |
981 | // if the track has too large y for this cluster (dy<0) it will be so for all other clusters of the sensor | |
982 | if (dy<0) return kStopSearchOnSensor; // No chance that other cluster of this sensor will match (all Y's will be even larger) | |
f8832015 | 983 | else return kClusterNotMatching; // Other clusters may match |
984 | } | |
c8d1f258 | 985 | double dz2 = dz*dz; |
f8832015 | 986 | tol2 = (track->GetSigmaZ2() + AliITSUReconstructor::GetRecoParam()->GetSigmaZ2(lr))* |
ee54014a | 987 | fCurrTrackCond->GetNSigmaRoadZ(lr)*fCurrTrackCond->GetNSigmaRoadZ(lr); // RS TOOPTIMIZE |
c8d1f258 | 988 | if (dz2>tol2) { |
08419930 | 989 | if (AliDebugLevelClass()>2 && goodCl && !track->ContainsFake()) { |
53870004 | 990 | AliDebug(2,Form("Lost good cl on L:%d : dz2=%e > tol2=%e |ESDtrack#%d (MClb:%d)",lr,dz2,tol2,fCurrESDtrack->GetID(),fCurrESDtrMClb)); |
991 | track->Print("etp"); | |
15b02d69 | 992 | cl->Print(); |
53870004 | 993 | PrintSeedClusters(track); |
15b02d69 | 994 | } |
c8d1f258 | 995 | return kClusterNotMatching; // Other clusters may match |
996 | } | |
f8832015 | 997 | // |
998 | // check chi2 | |
999 | Double_t p[2]={cl->GetY(), cl->GetZ()}; | |
1000 | Double_t cov[3]={cl->GetSigmaY2(), cl->GetSigmaYZ(), cl->GetSigmaZ2()}; | |
1001 | double chi2 = track->GetPredictedChi2(p,cov); | |
76390254 | 1002 | // |
ee54014a | 1003 | if (chi2>fCurrTrackCond->GetMaxTr2ClChi2(lr)) { |
08419930 | 1004 | if (AliDebugLevelClass()>2 && goodCl && !track->ContainsFake()) { |
53870004 | 1005 | AliDebug(2,Form("Lost good cl on L:%d : Chi2=%e > Chi2Max=%e |dy: %+.3e dz: %+.3e |ESDtrack#%d (MClb:%d)\n", |
ee54014a | 1006 | lr,chi2,fCurrTrackCond->GetMaxTr2ClChi2(lr),dy,dz,fCurrESDtrack->GetID(),fCurrESDtrMClb)); |
3dd9c283 | 1007 | track->Print("etp"); |
1008 | cl->Print(""); | |
53870004 | 1009 | PrintSeedClusters(track); |
3dd9c283 | 1010 | } |
c8d1f258 | 1011 | return kClusterNotMatching; |
1012 | } | |
f8832015 | 1013 | // |
1014 | track = NewSeedFromPool(track); // input track will be reused, use its clone for updates | |
943e1898 | 1015 | if (!track->Update()) { |
08419930 | 1016 | if (AliDebugLevelClass()>2 && goodCl && !track->ContainsFake()) { |
53870004 | 1017 | AliDebug(2,Form("Lost good cluster on L:%d : failed to update",lr)); |
38997c3c | 1018 | track->Print("etp"); |
1019 | cl->Print(""); | |
53870004 | 1020 | PrintSeedClusters(track); |
38997c3c | 1021 | } |
b8b59e05 | 1022 | MarkSeedFree(track); |
c8d1f258 | 1023 | return kClusterNotMatching; |
1024 | } | |
f8832015 | 1025 | track->SetChi2Cl(chi2); |
1026 | track->SetLrClusterID(lr,clID); | |
08419930 | 1027 | // |
1028 | if (track->GetChi2GloNrm()>fCurrTrackCond->GetMaxChi2GloNrm(lr)) { | |
1029 | if (AliDebugLevelClass()>2 && goodCl && !track->ContainsFake()) { | |
1030 | AliDebug(2,Form("Lost good cl on L:%d : Chi2Glo=%e > Chi2Max=%e |dy: %+.3e dz: %+.3e |ESDtrack#%d (MClb:%d)\n", | |
1031 | lr,track->GetChi2GloNrm(),fCurrTrackCond->GetMaxChi2GloNrm(lr),dy,dz,fCurrESDtrack->GetID(),fCurrESDtrMClb)); | |
1032 | track->Print("etp"); | |
1033 | cl->Print(""); | |
1034 | PrintSeedClusters(track); | |
1035 | } | |
1036 | MarkSeedFree(track); | |
1037 | return kClusterNotMatching; | |
1038 | } | |
c03e4f8a | 1039 | // cl->IncreaseClusterUsage(); // do this only for winners |
f8832015 | 1040 | // |
716ccba7 | 1041 | track->SetFake(!goodCl); |
1042 | // | |
0ddbf657 | 1043 | AliDebug(2,Form("AddCl(%d) Cl%d lr:%d: dY:%+8.4f dZ:%+8.4f (MC: %5d %5d %5d) |Chi2=%f(%c)| ", |
716ccba7 | 1044 | goodCl,clID,lr,dy,dz2,cl->GetLabel(0),cl->GetLabel(1),cl->GetLabel(2), chi2, track->IsFake() ? '-':'+')); |
c8d1f258 | 1045 | // |
38997c3c | 1046 | AddSeedBranch(track); |
f8832015 | 1047 | // |
1048 | return kClusterMatching; | |
1049 | } | |
c8d1f258 | 1050 | |
1051 | //_________________________________________________________________________ | |
1052 | Bool_t AliITSUTrackerGlo::NeedToKill(AliITSUSeed *seed, Int_t flag) | |
1053 | { | |
1054 | // check if the seed should not be discarded | |
1055 | const UShort_t kMask = 0xffff; | |
1056 | if (flag==kMissingCluster) { | |
1057 | int lastChecked = seed->GetLayerID(); | |
1058 | UShort_t patt = seed->GetHitsPattern(); | |
c03e4f8a | 1059 | if (lastChecked) patt |= ~(kMask<<lastChecked); // not all layers were checked, complete unchecked ones by potential hits |
42c3d4bd | 1060 | Bool_t seedOK = fCurrTrackCond->CheckPattern(patt); |
c8d1f258 | 1061 | return !seedOK; |
1062 | } | |
1063 | return kTRUE; | |
1064 | } | |
44785f3e | 1065 | |
1066 | //______________________________________________________________________________ | |
1067 | Bool_t AliITSUTrackerGlo::PropagateSeed(AliITSUSeed *seed, Double_t xToGo, Double_t mass, Double_t maxStep, Bool_t matCorr) | |
1068 | { | |
1069 | // propagate seed to given x applying material correction if requested | |
1070 | const Double_t kEpsilon = 1e-5; | |
1071 | Double_t xpos = seed->GetX(); | |
1072 | Int_t dir = (xpos<xToGo) ? 1:-1; | |
1073 | Double_t xyz0[3],xyz1[3],param[7]; | |
1074 | // | |
8b16dbae | 1075 | Bool_t updTime = dir>0 && seed->IsStartedTimeIntegral(); |
f497470c | 1076 | if (matCorr || updTime) seed->GetXYZ(xyz1); //starting global position |
44785f3e | 1077 | while ( (xToGo-xpos)*dir > kEpsilon){ |
1078 | Double_t step = dir*TMath::Min(TMath::Abs(xToGo-xpos), maxStep); | |
1079 | Double_t x = xpos+step; | |
1080 | Double_t bz=GetBz(); // getting the local Bz | |
0ddbf657 | 1081 | if (!seed->PropagateToX(x,bz)) return kFALSE; |
8b16dbae | 1082 | double ds = 0; |
1083 | if (matCorr || updTime) { | |
44785f3e | 1084 | xyz0[0]=xyz1[0]; // global pos at the beginning of step |
1085 | xyz0[1]=xyz1[1]; | |
1086 | xyz0[2]=xyz1[2]; | |
1087 | seed->GetXYZ(xyz1); // // global pos at the end of step | |
8b16dbae | 1088 | if (matCorr) { |
1089 | MeanMaterialBudget(xyz0,xyz1,param); | |
1090 | Double_t xrho=param[0]*param[4], xx0=param[1]; | |
1091 | if (dir>0) xrho = -xrho; // outward should be negative | |
b2d3bc3a | 1092 | if (!seed->ApplyMaterialCorrection(xx0,xrho,mass,kFALSE)) {AliInfo("Fail2"); seed->Print("etp"); return kFALSE;} |
8b16dbae | 1093 | ds = param[4]; |
1094 | } | |
1095 | else { // matCorr is not requested but time integral is | |
1096 | double d0 = xyz1[0]-xyz0[0]; | |
1097 | double d1 = xyz1[1]-xyz0[1]; | |
1098 | double d2 = xyz1[2]-xyz0[2]; | |
1099 | ds = TMath::Sqrt(d0*d0+d1*d1+d2*d2); | |
1100 | } | |
44785f3e | 1101 | } |
8b16dbae | 1102 | if (updTime) seed->AddTimeStep(ds); |
44785f3e | 1103 | xpos = seed->GetX(); |
1104 | } | |
1105 | return kTRUE; | |
1106 | } | |
716ccba7 | 1107 | |
3e4e3c23 | 1108 | //______________________________________________________________________________ |
1109 | Bool_t AliITSUTrackerGlo::PropagateSeed(AliExternalTrackParam *seed, Double_t xToGo, Double_t mass, Double_t maxStep, Bool_t matCorr) | |
1110 | { | |
1111 | // propagate seed to given x applying material correction if requested | |
1112 | const Double_t kEpsilon = 1e-5; | |
1113 | Double_t xpos = seed->GetX(); | |
1114 | Int_t dir = (xpos<xToGo) ? 1:-1; | |
1115 | Double_t xyz0[3],xyz1[3],param[7]; | |
1116 | // | |
b515ad7e | 1117 | if (AliDebugLevelClass()>1) { |
1118 | AliDebug(2,Form("Before Propagate to X=%f with M=%.3f MaxStep=%.4f MatCorr=%d",xToGo,mass,maxStep,matCorr)); | |
1119 | seed->AliExternalTrackParam::Print(); | |
1120 | } | |
3e4e3c23 | 1121 | Bool_t updTime = dir>0 && seed->IsStartedTimeIntegral(); |
1122 | if (matCorr || updTime) seed->GetXYZ(xyz1); //starting global position | |
1123 | while ( (xToGo-xpos)*dir > kEpsilon){ | |
1124 | Double_t step = dir*TMath::Min(TMath::Abs(xToGo-xpos), maxStep); | |
1125 | Double_t x = xpos+step; | |
1126 | Double_t bz=GetBz(); // getting the local Bz | |
1127 | if (!seed->PropagateTo(x,bz)) return kFALSE; | |
1128 | double ds = 0; | |
1129 | if (matCorr || updTime) { | |
1130 | xyz0[0]=xyz1[0]; // global pos at the beginning of step | |
1131 | xyz0[1]=xyz1[1]; | |
1132 | xyz0[2]=xyz1[2]; | |
1133 | seed->GetXYZ(xyz1); // // global pos at the end of step | |
1134 | // | |
1135 | if (matCorr) { | |
1136 | MeanMaterialBudget(xyz0,xyz1,param); | |
1137 | Double_t xrho=param[0]*param[4], xx0=param[1]; | |
1138 | if (dir>0) xrho = -xrho; // outward should be negative | |
1139 | if (!seed->CorrectForMeanMaterial(xx0,xrho,mass)) return kFALSE; | |
1140 | ds = param[4]; | |
1141 | } | |
1142 | else { // matCorr is not requested but time integral is | |
1143 | double d0 = xyz1[0]-xyz0[0]; | |
1144 | double d1 = xyz1[1]-xyz0[1]; | |
1145 | double d2 = xyz1[2]-xyz0[2]; | |
1146 | ds = TMath::Sqrt(d0*d0+d1*d1+d2*d2); | |
1147 | } | |
1148 | } | |
1149 | if (updTime) seed->AddTimeStep(ds); | |
1150 | // | |
1151 | xpos = seed->GetX(); | |
1152 | } | |
b515ad7e | 1153 | if (AliDebugLevelClass()>1) { |
1154 | AliDebug(2,Form("After Propagate to X=%f",xToGo)); | |
1155 | seed->AliExternalTrackParam::Print(); | |
1156 | } | |
3e4e3c23 | 1157 | return kTRUE; |
1158 | } | |
1159 | ||
9cdcba2c | 1160 | //______________________________________________________________________________ |
1161 | Bool_t AliITSUTrackerGlo::FinalizeHypothesis(AliITSUTrackHyp* hyp) | |
1162 | { | |
1163 | // finalize single TPC track hypothesis | |
1164 | if (!hyp || hyp->GetESDTrack()->IsOn(AliESDtrack::kITSin)) return kFALSE; | |
1165 | AliITSUSeed* winner = 0; | |
1166 | fCurrHyp = hyp; | |
70cb7fe4 | 1167 | fCurrMass = hyp->GetMass(); |
d99994b2 | 1168 | if (!(winner=hyp->DefineWinner(fCurrTrackCond->GetActiveLrInner()))) return kFALSE; |
9cdcba2c | 1169 | CookMCLabel(hyp); |
1170 | // | |
08419930 | 1171 | #ifdef _ITSU_TUNING_MODE_ // fill tuning histos |
1172 | TObjArray* dest = hyp->GetLabel()>=0 ? fCHistoArrCorr : fCHistoArrFake; | |
1173 | if (dest) { | |
1174 | AliITSUSeed* sd = winner; | |
1175 | double htrPt = hyp->Pt(); | |
1176 | do { | |
1177 | int clID,lrID; | |
1178 | if ( (clID=sd->GetLrCluster(lrID))<0 ) continue; | |
781c79ac | 1179 | ((TH2*)dest->At( GetHistoID(lrID,kHChi2Nrm ,fCurrPassID) ))->Fill(htrPt,sd->GetChi2GloNrm()); |
1180 | ((TH2*)dest->At( GetHistoID(lrID,kHBestInBranch,fCurrPassID) ))->Fill(htrPt,sd->GetOrdBranch()); | |
1181 | ((TH2*)dest->At( GetHistoID(lrID,kHBestInCand ,fCurrPassID) ))->Fill(htrPt,sd->GetOrdCand()); | |
08419930 | 1182 | // |
1183 | if (dest==fCHistoArrFake && !sd->IsFake()) continue; // for the fake seeds fill only fake clusters part | |
1184 | // | |
781c79ac | 1185 | ((TH2*)dest->At( GetHistoID(lrID,kHResY ,fCurrPassID) ))->Fill(htrPt,sd->GetResidY()); |
1186 | ((TH2*)dest->At( GetHistoID(lrID,kHResZ ,fCurrPassID) ))->Fill(htrPt,sd->GetResidZ()); | |
1187 | ((TH2*)dest->At( GetHistoID(lrID,kHResYP ,fCurrPassID) ))->Fill(htrPt,sd->GetPullY()); | |
1188 | ((TH2*)dest->At( GetHistoID(lrID,kHResZP ,fCurrPassID) ))->Fill(htrPt,sd->GetPullZ()); | |
1189 | ((TH2*)dest->At( GetHistoID(lrID,kHChi2Cl ,fCurrPassID) ))->Fill(htrPt,sd->GetChi2Cl()); | |
08419930 | 1190 | // |
1191 | } while((sd=(AliITSUSeed*)sd->GetParent())); | |
1192 | // | |
781c79ac | 1193 | ((TH2*)dest->At( GetHistoID(-1,kHChiMatch,fCurrPassID) ))->Fill(htrPt,winner->GetChi2ITSTPC()); |
1194 | ((TH2*)dest->At( GetHistoID(-1,kHChiITSSA,fCurrPassID) ))->Fill(htrPt,winner->GetChi2ITSSA()); | |
9cdcba2c | 1195 | } |
9cdcba2c | 1196 | // |
08419930 | 1197 | #endif |
1198 | // | |
1199 | CheckClusterSharingConflicts(hyp); | |
1200 | return hyp->GetWinner(); // winner might change of disappear after resolving conflicts | |
1201 | // | |
9cdcba2c | 1202 | } |
1203 | ||
3e4e3c23 | 1204 | //______________________________________________________________________________ |
1205 | void AliITSUTrackerGlo::FinalizeHypotheses() | |
1206 | { | |
1207 | // select winner for each hypothesis, remove cl. sharing conflicts | |
9cdcba2c | 1208 | AliCodeTimerAuto("",0); |
3e4e3c23 | 1209 | // |
d99994b2 | 1210 | int* esdTrackIndex = fESDIndex.GetArray(); |
1211 | for (int ih=0;ih<fNTracksESD;ih++) FinalizeHypothesis(GetTrackHyp(esdTrackIndex[ih])); // finlize in decreasing pt order | |
c03e4f8a | 1212 | // |
d99994b2 | 1213 | for (int ih=fNTracksESD;ih--;) UpdateESDTrack(GetTrackHyp(esdTrackIndex[ih]),AliESDtrack::kITSin); |
08419930 | 1214 | // |
1215 | } | |
bdb92766 | 1216 | |
08419930 | 1217 | //______________________________________________________________________________ |
1218 | void AliITSUTrackerGlo::CheckClusterSharingConflicts(AliITSUTrackHyp* hyp) | |
1219 | { | |
1220 | // remove eventual cluster sharing conflicts | |
1221 | AliITSUSeed* winner = 0; | |
1222 | if (!(winner=hyp->GetWinner())) return; | |
1223 | UShort_t idH = (UShort_t)hyp->GetUniqueID()+1; | |
1224 | int lrID,clID; | |
d99994b2 | 1225 | int inLr = fCurrTrackCond->GetActiveLrInner(); |
08419930 | 1226 | AliITSUSeed* winSD=winner; |
1227 | do { | |
1228 | if ( (clID=winSD->GetLrCluster(lrID))<0 ) continue; | |
1229 | AliITSUClusterPix* cl = (AliITSUClusterPix*)fITS->GetLayerActive(lrID)->GetCluster(clID); | |
1230 | Int_t refID = cl->GetRecoInfo(); // was it already referred by some track (with refID-1 if >0) | |
1231 | if (!refID) {cl->SetRecoInfo(idH); continue;} // if not, refer from track to cluster | |
1232 | if (refID==idH) continue; // ignore reference to itself | |
1233 | // the cluster is already used by other track, need to resolve the conflict | |
1234 | AliITSUTrackHyp* hypC = GetTrackHyp(refID-1); // competitor | |
1235 | // printf("Ref to %d (%p) from %d Cl %d %d\n",refID-1,hypC, idH-1,clID,lrID); | |
1236 | AliITSUSeed* winnerC = hypC->GetWinner(); | |
1237 | if (!winnerC) { | |
1238 | printf("Missing winner, ERROR\n"); | |
1239 | continue; | |
1240 | } | |
6091ad4e | 1241 | // |
08419930 | 1242 | if (AliDebugLevelClass()>1) { //------------------------ DEBUG ------------------- |
1243 | AliInfo(Form("Shared cl#%4d on Lr:%d: Hyp%3d/Q:%6.3f vs Hyp%3d/Q:%6.3f", | |
1244 | clID,lrID,idH-1,winner->GetQualityVar(),refID-1,winnerC->GetQualityVar())); | |
1245 | // dump winner of hyp | |
1246 | printf("#%4d Pt:%.3f Chi:%6.3f/%6.3f/%6.3f Ncl:%d MCits%+5d MCtpc:%+5d |", | |
1247 | idH-1,winner->Pt(),winner->GetChi2GloNrm(),winner->GetChi2ITSTPC(),winner->GetChi2ITSSA(), | |
1248 | winner->GetNLayersHit(),hyp->GetITSLabel(),hyp->GetESDTrack()->GetTPCLabel()); | |
1249 | int prevL=-1; | |
1250 | AliITSUSeed* sd = winner; | |
1251 | do { | |
1252 | int lrs; | |
1253 | int clIDt = sd->GetLrCluster(lrs); | |
1254 | if (clIDt<0) continue; | |
1255 | while( lrs>++prevL ) printf("%4s ","----"); | |
1256 | printf("%4d (%5.1f)",clIDt,sd->GetChi2Cl()); | |
1257 | } while ((sd=(AliITSUSeed*)sd->GetParent())); | |
1258 | printf("|\n"); | |
1259 | // dump winner of hypC | |
1260 | printf("#%4d Pt:%.3f Chi:%6.3f/%6.3f/%6.3f Ncl:%d MCits%+5d MCtpc:%+5d |", | |
1261 | refID-1,winnerC->Pt(),winnerC->GetChi2GloNrm(),winnerC->GetChi2ITSTPC(),winnerC->GetChi2ITSSA(), | |
1262 | winnerC->GetNLayersHit(),hypC->GetITSLabel(),hypC->GetESDTrack()->GetTPCLabel()); | |
1263 | prevL=-1; | |
1264 | sd = winnerC; | |
6091ad4e | 1265 | do { |
08419930 | 1266 | int lrs; |
1267 | int clIDt = sd->GetLrCluster(lrs); | |
1268 | if (clIDt<0) continue; | |
1269 | while( lrs>++prevL ) printf("%4s ","----"); | |
1270 | printf("%4d (%5.1f)",clIDt,sd->GetChi2Cl()); | |
1271 | } while ((sd=(AliITSUSeed*)sd->GetParent())); | |
1272 | printf("|\n"); | |
1273 | } //-------------------------------------------------- DEBUG ------------------- | |
1274 | // | |
1275 | if (winner->GetQualityVar()<winnerC->GetQualityVar()) { // current tracks is better then competitor track | |
1276 | FlagSeedClusters(winnerC,kFALSE,refID); // unflag cluster usage by loser | |
1277 | cl->SetRecoInfo(idH); | |
1278 | // | |
1279 | //if ( hypC->GetLabel()>=0) AliInfo(Form("KILLING CORRECT: %d",refID-1)); | |
1280 | winnerC->Kill(); | |
d99994b2 | 1281 | if (hypC->DefineWinner(inLr)) { // find new winner instead of suppressed candidate |
08419930 | 1282 | CookMCLabel(hypC); |
1283 | CheckClusterSharingConflicts(hypC); // and check its sharing conflicts again | |
1284 | if (winner->IsKilled()) break; // the current winner might have been killed during check of new winner of hypC! | |
1285 | } | |
6091ad4e | 1286 | } |
08419930 | 1287 | else { // competitor hypC is better than the hyp |
1288 | FlagSeedClusters(winner,kFALSE,idH); // unflag cluster usage by loser | |
1289 | winner->Kill(); | |
1290 | //if ( hyp->GetLabel()>=0) AliInfo(Form("KILLING CORRECT: %d",idH-1)); | |
d99994b2 | 1291 | if (hyp->DefineWinner(inLr)) { |
08419930 | 1292 | CookMCLabel(hyp); |
1293 | CheckClusterSharingConflicts(hyp); | |
9cdcba2c | 1294 | } |
08419930 | 1295 | break; |
9cdcba2c | 1296 | } |
08419930 | 1297 | // |
1298 | } while ((winSD=(AliITSUSeed*)winSD->GetParent())); | |
1299 | // | |
1300 | return; | |
3e4e3c23 | 1301 | } |
c51c3124 | 1302 | |
1303 | //______________________________________________________________________________ | |
68a0f687 | 1304 | void AliITSUTrackerGlo::UpdateESDTrack(AliITSUTrackHyp* hyp,Int_t flag) |
c51c3124 | 1305 | { |
1306 | // update ESD track with current best hypothesis | |
08419930 | 1307 | if (!hyp) return; |
c51c3124 | 1308 | AliESDtrack* esdTr = hyp->GetESDTrack(); |
d99994b2 | 1309 | if (!esdTr || esdTr->IsOn(flag)) return; |
c51c3124 | 1310 | AliITSUSeed* win = hyp->GetWinner(); |
08419930 | 1311 | if (!win || win->IsKilled()) return; |
70cb7fe4 | 1312 | double chiSav; |
1313 | // | |
68a0f687 | 1314 | switch (flag) { |
1315 | case AliESDtrack::kITSin: | |
1316 | esdTr->UpdateTrackParams(hyp,flag); // update kinematics | |
08419930 | 1317 | fCountITSin++; |
dc443a34 | 1318 | // set fakes cluster info |
1319 | { | |
1320 | UShort_t clfake = 0; | |
1321 | AliITSUSeed* sd = win; | |
1322 | do { | |
1323 | if (sd->IsFake()) clfake |= 0x1<<sd->GetLayerID(); | |
1324 | } while ((sd=(AliITSUSeed*)sd->GetParent())); | |
0e40ce66 | 1325 | // |
1326 | // RS: Temporary set special flag for tracks from the afterburner | |
1327 | if (fCurrPassID>0) clfake |= 0x1<<7; | |
1328 | // | |
dc443a34 | 1329 | esdTr->SetITSSharedMap(clfake); |
1330 | } | |
68a0f687 | 1331 | break; |
1332 | // | |
1333 | case AliESDtrack::kITSout: | |
70cb7fe4 | 1334 | // here the stored chi2 will correspond to backward ITS-SA fit |
68a0f687 | 1335 | esdTr->UpdateTrackParams(hyp,flag); // update kinematics |
08419930 | 1336 | fCountITSout++; |
68a0f687 | 1337 | // TODO: avoid setting friend |
1338 | break; | |
1339 | // | |
1340 | case AliESDtrack::kITSrefit: | |
70cb7fe4 | 1341 | |
1342 | // at the moment fill as a chi2 the TPC-ITS matching chi2 | |
1343 | chiSav = hyp->GetChi2(); | |
1344 | hyp->SetChi2(win->GetChi2ITSTPC()); | |
68a0f687 | 1345 | esdTr->UpdateTrackParams(hyp,flag); // update kinematics |
70cb7fe4 | 1346 | hyp->SetChi2(chiSav); |
08419930 | 1347 | fCountITSrefit++; |
68a0f687 | 1348 | // TODO: avoid setting cluster info |
1349 | break; | |
1350 | default: | |
1351 | AliFatal(Form("Unknown flag %d",flag)); | |
1352 | } | |
c51c3124 | 1353 | // |
bdb92766 | 1354 | esdTr->SetITSLabel(hyp->GetITSLabel()); |
c51c3124 | 1355 | // transfer module indices |
1356 | // TODO | |
1357 | } | |
1358 | ||
1359 | //______________________________________________________________________________ | |
9cdcba2c | 1360 | Double_t AliITSUTrackerGlo::RefitTrack(AliExternalTrackParam* trc, Double_t rDest, Int_t stopCond) |
c51c3124 | 1361 | { |
9cdcba2c | 1362 | // refit track till radius rDest. The cluster,mass info is taken from fCurrHyp (and its winner seed) |
1363 | // if stopCond<0 : propagate till last cluster then stop | |
1364 | // if stopCond==0: propagate till last cluster then try to go till limiting rDest, don't mind if fail | |
1365 | // if stopCond>0 : rDest must be reached | |
8b16dbae | 1366 | // |
c51c3124 | 1367 | double rCurr = Sqrt(trc->GetX()*trc->GetX() + trc->GetY()*trc->GetY()); |
1368 | int dir,lrStart,lrStop; | |
1369 | // | |
8b16dbae | 1370 | dir = rCurr<rDest ? 1 : -1; |
1371 | lrStart = fITS->FindFirstLayerID(rCurr,dir); | |
70cb7fe4 | 1372 | lrStop = fITS->FindLastLayerID(rDest,dir); // lr id before which we have to stop |
1373 | // | |
15b02d69 | 1374 | if (AliDebugLevelClass()>2) { |
1375 | printf("Refit %d: Lr:%d (%f) -> Lr:%d (%f)\n",dir,lrStart,rCurr, lrStop,rDest); | |
9cdcba2c | 1376 | printf("Before refit: "); trc->Print(); |
15b02d69 | 1377 | } |
8b16dbae | 1378 | if (lrStop<0 || lrStart<0) AliFatal(Form("Failed to find start(%d) or last(%d) layers. Track from %.3f to %.3f",lrStart,lrStop,rCurr,rDest)); |
1379 | // | |
9cdcba2c | 1380 | Int_t clInfo[2*AliITSUAux::kMaxLayers]; |
1381 | Int_t nCl = fCurrHyp->FetchClusterInfo(clInfo); | |
1382 | fCurrMass = fCurrHyp->GetMass(); | |
1383 | AliExternalTrackParam tmpTr(*trc); | |
1384 | double chi2 = 0; | |
68a0f687 | 1385 | int iclLr[2],nclLr,clCount=0; |
c51c3124 | 1386 | // |
70cb7fe4 | 1387 | int lrStop1 = lrStop+1; |
1388 | for (int ilr=lrStart;ilr!=lrStop1;ilr+=dir) { | |
c51c3124 | 1389 | AliITSURecoLayer* lr = fITS->GetLayer(ilr); |
1390 | if ( dir*(rCurr-lr->GetR(dir))>0) continue; // this layer is already passed | |
8b16dbae | 1391 | int ilrA2,ilrA = lr->GetActiveID(); |
1392 | // passive layer or active w/o hits will be traversed on the way to next cluster | |
9cdcba2c | 1393 | if (!lr->IsActive() || clInfo[ilrA2=(ilrA<<1)]<0) continue; |
8b16dbae | 1394 | // |
8b16dbae | 1395 | // select the order in which possible 2 clusters (in case of the overlap) will be traversed and fitted |
1396 | nclLr=0; | |
1397 | if (dir>0) { // clusters are stored in increasing radius order | |
9cdcba2c | 1398 | iclLr[nclLr++]=clInfo[ilrA2++]; |
1399 | if (clInfo[ilrA2]>=0) iclLr[nclLr++]=clInfo[ilrA2]; | |
8b16dbae | 1400 | } |
1401 | else { | |
9cdcba2c | 1402 | if ( clInfo[ilrA2+1]>=0 ) iclLr[nclLr++]=clInfo[ilrA2+1]; |
1403 | iclLr[nclLr++]=clInfo[ilrA2]; | |
8b16dbae | 1404 | } |
1405 | // | |
b515ad7e | 1406 | Bool_t transportedToLayer = kFALSE; |
8b16dbae | 1407 | for (int icl=0;icl<nclLr;icl++) { |
1408 | AliITSUClusterPix* clus = (AliITSUClusterPix*)lr->GetCluster(iclLr[icl]); | |
1409 | AliITSURecoSens* sens = lr->GetSensorFromID(clus->GetVolumeId()); | |
e7d83d38 | 1410 | if (!tmpTr.Rotate(sens->GetPhiTF())) { |
9cdcba2c | 1411 | AliESDtrack* trESD = fCurrHyp->GetESDTrack(); |
1412 | AliDebug(2,Form("Failed on rotate to %f | ESDtrack#%d (MClb:%d)",sens->GetPhiTF(),trESD->GetID(),trESD->GetTPCLabel())); | |
1413 | return -1; | |
e7d83d38 | 1414 | } |
b515ad7e | 1415 | // |
1416 | double xClus = sens->GetXTF()+clus->GetX(); | |
1417 | if (!transportedToLayer) { | |
1418 | if (ilr!=lrStart && !TransportToLayerX(&tmpTr,lrStart,ilr,xClus)) { | |
9cdcba2c | 1419 | AliESDtrack* trESD = fCurrHyp->GetESDTrack(); |
1420 | AliDebug(2,Form("Failed to transport %d -> %d | ESDtrack#%d (MClb:%d)\n",lrStart,ilr,trESD->GetID(),trESD->GetTPCLabel())); | |
1421 | return -1; // go to the entrance to the layer | |
b515ad7e | 1422 | } |
1423 | lrStart = ilr; | |
1424 | transportedToLayer = kTRUE; | |
1425 | } | |
1426 | // | |
1427 | if (AliDebugLevelClass()>1) { | |
1428 | AliDebug(2,Form("Propagate to cl:%d on lr %d Need to go %.4f -> %.4f",icl,ilrA,tmpTr.GetX(),xClus)); | |
b515ad7e | 1429 | } |
1430 | // | |
1431 | if (!PropagateSeed(&tmpTr,xClus,fCurrMass)) { | |
9cdcba2c | 1432 | AliESDtrack* trESD = fCurrHyp->GetESDTrack(); |
1433 | AliDebug(2,Form("Failed on propagate to %f (dir=%d) | ESDtrack#%d (MClb:%d)",xClus,dir,trESD->GetID(),trESD->GetTPCLabel())); | |
1434 | return -1; | |
e7d83d38 | 1435 | } |
76390254 | 1436 | // |
9cdcba2c | 1437 | Double_t p[2]={clus->GetY(), clus->GetZ()}; |
1438 | Double_t cov[3]={clus->GetSigmaY2(), clus->GetSigmaYZ(), clus->GetSigmaZ2()}; | |
1439 | double chi2cl = tmpTr.GetPredictedChi2(p,cov); | |
1440 | chi2 += chi2cl; | |
1441 | // | |
08419930 | 1442 | #ifdef _ITSU_TUNING_MODE_ |
1443 | TObjArray* dest = trc->GetLabel()>=0 ? fCHistoArrCorr : fCHistoArrFake; | |
781c79ac | 1444 | if (dest && fTrackPhaseID>kClus2Tracks) { |
08419930 | 1445 | // |
1446 | double htrPt = tmpTr.Pt(); | |
9cdcba2c | 1447 | double dy = p[0]-tmpTr.GetY(); |
1448 | double dz = p[1]-tmpTr.GetZ(); | |
781c79ac | 1449 | ((TH2*)dest->At( GetHistoID(ilrA,kHResY,0,fTrackPhaseID) ))->Fill(htrPt,dy); |
1450 | ((TH2*)dest->At( GetHistoID(ilrA,kHResZ,0,fTrackPhaseID) ))->Fill(htrPt,dz); | |
76390254 | 1451 | double errY = tmpTr.GetSigmaY2(); |
1452 | double errZ = tmpTr.GetSigmaZ2(); | |
781c79ac | 1453 | if (errY>0) ((TH2*)dest->At( GetHistoID(ilrA,kHResYP,0,fTrackPhaseID) ))->Fill(htrPt,dy/Sqrt(errY)); |
1454 | if (errZ>0) ((TH2*)dest->At( GetHistoID(ilrA,kHResZP,0,fTrackPhaseID) ))->Fill(htrPt,dz/Sqrt(errZ)); | |
1455 | ((TH2*)dest->At( GetHistoID(ilrA,kHChi2Cl,0,fTrackPhaseID) ))->Fill(htrPt,chi2cl); | |
76390254 | 1456 | } |
1457 | #endif | |
9cdcba2c | 1458 | // |
1459 | if ( !tmpTr.Update(p,cov) ) { | |
1460 | AliESDtrack* trESD = fCurrHyp->GetESDTrack(); | |
1461 | AliDebug(2,Form("Failed on Update | ESDtrack#%d (MClb:%d)",trESD->GetID(),trESD->GetTPCLabel())); | |
1462 | return -1; | |
e7d83d38 | 1463 | } |
b515ad7e | 1464 | if (AliDebugLevelClass()>1) { |
9cdcba2c | 1465 | printf("AfterRefit: "); tmpTr.Print(); |
1466 | } | |
1467 | if (++clCount==nCl && stopCond<0) { | |
1468 | *trc = tmpTr; | |
1469 | return chi2; // it was requested to not propagate after last update | |
b515ad7e | 1470 | } |
8b16dbae | 1471 | } |
c51c3124 | 1472 | // |
1473 | } | |
8b16dbae | 1474 | // All clusters were succesfully fitted. Even if the track does not reach rDest, this is enough to validate it. |
1475 | // Still, try to go as close as possible to rDest. | |
1476 | // | |
70cb7fe4 | 1477 | if (lrStart!=lrStop) { |
e7d83d38 | 1478 | if (!TransportToLayer(&tmpTr,lrStart,lrStop)) { |
2947434b | 1479 | AliDebug(1,Form("Failed on TransportToLayer %d->%d | ESDtrack#%d (MClb:%d), X=%f",lrStart,lrStop,fCurrESDtrack->GetID(),fCurrESDtrMClb,tmpTr.GetX())); |
1480 | return (stopCond>0) ? -chi2 : chi2; // rDest was obligatory | |
e7d83d38 | 1481 | } |
1482 | if (!GoToExitFromLayer(&tmpTr,fITS->GetLayer(lrStop),dir)) { | |
2947434b | 1483 | AliDebug(1,Form("Failed on GoToExitFromLayer %d | ESDtrack#%d (MClb:%d), X=%f",lrStop,fCurrESDtrack->GetID(),fCurrESDtrMClb,tmpTr.GetX())); |
1484 | return (stopCond>0) ? -chi2 : chi2; // rDest was obligatory | |
9cdcba2c | 1485 | } |
70cb7fe4 | 1486 | } |
1487 | // go to the destination radius. Note that here we don't select direction to avoid precision problems | |
1488 | if (!tmpTr.GetXatLabR(rDest,rDest,GetBz(),0) || !PropagateSeed(&tmpTr,rDest,fCurrMass, 100, kFALSE)) { | |
2947434b | 1489 | return (stopCond>0) ? -chi2 : chi2; // rDest was obligatory |
70cb7fe4 | 1490 | } |
9cdcba2c | 1491 | *trc=tmpTr; |
15b02d69 | 1492 | if (AliDebugLevelClass()>2) { |
9cdcba2c | 1493 | printf("After refit (now at lr %d): ",lrStop); trc->Print(); |
15b02d69 | 1494 | } |
9cdcba2c | 1495 | return chi2; |
c51c3124 | 1496 | } |
dd2117a2 | 1497 | |
1498 | //__________________________________________________________________ | |
1499 | void AliITSUTrackerGlo::CookMCLabel(AliITSUTrackHyp* hyp) | |
1500 | { | |
1501 | // build MC label | |
1502 | // | |
1503 | const int kMaxLbPerCl = 3; | |
1504 | int lbID[kMaxLayers*6],lbStat[kMaxLayers*6]; | |
1505 | Int_t lr,nLab=0,nCl=0; | |
1506 | AliITSUSeed *seed = hyp->GetWinner(); | |
1507 | while(seed) { | |
1508 | int clID = seed->GetLrCluster(lr); | |
1509 | if (clID>=0) { | |
1510 | AliCluster *cl = fITS->GetLayerActive(lr)->GetCluster(clID); | |
1511 | nCl++; | |
1512 | for (int imc=0;imc<kMaxLbPerCl;imc++) { // labels within single cluster | |
1513 | int trLb = cl->GetLabel(imc); | |
704d9398 | 1514 | if (trLb<0) break; |
dd2117a2 | 1515 | // search this mc track in already accounted ones |
1516 | int iLab; | |
1517 | for (iLab=0;iLab<nLab;iLab++) if (lbID[iLab]==trLb) break; | |
1518 | if (iLab<nLab) lbStat[iLab]++; | |
1519 | else { | |
1520 | lbID[nLab] = trLb; | |
1521 | lbStat[nLab++] = 1; | |
1522 | } | |
1523 | } // loop over given cluster's labels | |
1524 | } | |
1525 | seed = (AliITSUSeed*)seed->GetParent(); | |
1526 | } // loop over clusters | |
1527 | // | |
5785a9d8 | 1528 | AliESDtrack* esdTr = hyp->GetESDTrack(); |
1529 | int tpcLab = esdTr ? Abs(esdTr->GetTPCLabel()) : -kDummyLabel; | |
41343470 | 1530 | if (nCl && nLab) { |
dd2117a2 | 1531 | int maxLab=0,nTPCok=0; |
dd2117a2 | 1532 | for (int ilb=nLab;ilb--;) { |
1533 | int st = lbStat[ilb]; | |
1534 | if (lbStat[maxLab]<st) maxLab=ilb; | |
1535 | if (tpcLab==lbID[ilb]) nTPCok += st; | |
1536 | } | |
1537 | hyp->SetFakeRatio(1.-float(nTPCok)/nCl); | |
1538 | hyp->SetLabel( nTPCok==nCl ? tpcLab : -tpcLab); | |
bdb92766 | 1539 | hyp->SetITSLabel( lbStat[maxLab]==nCl ? lbID[maxLab] : -lbID[maxLab]); // winner label |
dd2117a2 | 1540 | return; |
1541 | } | |
1542 | // | |
1543 | hyp->SetFakeRatio(-1.); | |
5785a9d8 | 1544 | hyp->SetLabel( -tpcLab ); |
dd2117a2 | 1545 | hyp->SetITSLabel( kDummyLabel ); |
1546 | } | |
38997c3c | 1547 | |
1548 | //__________________________________________________________________ | |
1549 | Bool_t AliITSUTrackerGlo::AddSeedBranch(AliITSUSeed* seed) | |
1550 | { | |
1551 | // add new prolongation branch for the seed to temporary array. The seeds are sorted according to Compare f-n | |
6cd80116 | 1552 | if (fNCandidatesAdded+fNBranchesAdded>=fLayerMaxCandidates ) { |
1553 | AliInfo(Form("Number of candidates at layer %d for current seed reached %d, increasing buffer",fCurrActLrID,fLayerMaxCandidates)); | |
1554 | fLayerMaxCandidates = 2*(fLayerMaxCandidates+1); | |
1555 | AliITSUSeed** tmpArr = fLayerCandidates; | |
1556 | fLayerCandidates = new AliITSUSeed*[fLayerMaxCandidates]; | |
1557 | memcpy(fLayerCandidates,tmpArr,(fNCandidatesAdded+fNBranchesAdded)*sizeof(AliITSUSeed*)); | |
1558 | delete tmpArr; // delete only array, not objects | |
38997c3c | 1559 | } |
1560 | AliITSUSeed** branches = &fLayerCandidates[fNCandidatesAdded]; // note: fNCandidatesAdded is incremented after adding all branches of current seed | |
1561 | int slot=fNBranchesAdded++; | |
1562 | for (int slotF=slot;slotF--;) { // slotF is always slot-1 | |
1563 | AliITSUSeed* si = branches[slotF]; | |
1564 | if (si->Compare(seed)<0) break; // found the last seed with better quality | |
1565 | // otherwise, shift the worse seed to the next slot | |
1566 | branches[slot] = si; | |
1567 | slot = slotF; // slot should be slotF+1 | |
1568 | } | |
1569 | // if needed, move worse seeds | |
1570 | branches[slot] = seed; | |
1571 | return kTRUE; | |
1572 | // | |
1573 | } | |
1574 | ||
1575 | //__________________________________________________________________ | |
1576 | void AliITSUTrackerGlo::ValidateAllowedBranches(Int_t acceptMax) | |
1577 | { | |
1578 | // keep allowed number of branches for current seed and disable extras | |
70cb7fe4 | 1579 | AliCodeTimerAuto("",0); |
38997c3c | 1580 | int nb = Min(fNBranchesAdded,acceptMax); |
1581 | // if (nb<fNBranchesAdded) printf("ValidateAllowedBranches: %d of %d (%d) on lr %d\n",nb,fNBranchesAdded,fNCandidatesAdded,ilr); | |
1582 | // disable unused branches | |
1583 | AliITSUSeed** branches = &fLayerCandidates[fNCandidatesAdded]; | |
08419930 | 1584 | // |
1585 | #ifdef _ITSU_TUNING_MODE_ | |
1586 | for (int ib=0;ib<fNBranchesAdded;ib++) branches[ib]->SetOrdBranch(ib); | |
c03e4f8a | 1587 | #endif |
bdb92766 | 1588 | // |
08419930 | 1589 | for (int ib=nb;ib<fNBranchesAdded;ib++) MarkSeedFree(branches[ib]); |
38997c3c | 1590 | fNCandidatesAdded += nb; // update total candidates counter |
1591 | fNBranchesAdded = 0; // reset branches counter | |
1592 | // | |
1593 | } | |
1594 | ||
1595 | //__________________________________________________________________ | |
1596 | void AliITSUTrackerGlo::ValidateAllowedCandidates(Int_t ilr, Int_t acceptMax) | |
1597 | { | |
1598 | // transfer allowed number of branches to hypothesis container | |
1599 | // | |
9cdcba2c | 1600 | AliCodeTimerAuto("",0); |
38997c3c | 1601 | // sort candidates in increasing order of chi2 |
6cd80116 | 1602 | static int lastSize = 0; |
1603 | static int *index = 0; | |
1604 | static float *chi2 = 0; | |
1605 | if (fLayerMaxCandidates>lastSize) { | |
1606 | lastSize = fLayerMaxCandidates; | |
1607 | delete[] index; | |
1608 | delete[] chi2; | |
1609 | index = new int[lastSize]; | |
1610 | chi2 = new float[lastSize]; | |
1611 | } | |
38997c3c | 1612 | for (int i=fNCandidatesAdded;i--;) chi2[i] = fLayerCandidates[i]->GetChi2GloNrm(); |
1613 | Sort(fNCandidatesAdded,chi2,index,kFALSE); | |
1614 | // | |
9cdcba2c | 1615 | int nacc=0,nb=0; |
1616 | if (ilr>0) { // just take 1st acceptMax candidates | |
1617 | nb = Min(fNCandidatesAdded,acceptMax); | |
1618 | for (int ib=0;ib<nb;ib++) AddProlongationHypothesis(fLayerCandidates[index[ib]],ilr); | |
1619 | } | |
1620 | else { // for innermost layer test ITS SA backward chi2 and matching to TPC | |
1621 | AliITSUSeed* wn0 = fCurrHyp->GetWinner(); // in principle, should be NULL | |
1622 | for (nb=0;nb<fNCandidatesAdded;nb++) { | |
1623 | AliITSUSeed* sd = fLayerCandidates[index[nb]]; | |
1624 | fCurrHyp->SetWinner(sd); | |
1625 | if (!CheckBackwardMatching(sd)) MarkSeedFree(sd); // discard bad backward tracks | |
1626 | else { | |
1627 | AddProlongationHypothesis(sd,ilr); | |
1628 | if (++nacc==acceptMax) {nb++; break;} // the rest will be discarded | |
1629 | } | |
1630 | } | |
1631 | fCurrHyp->SetWinner(wn0); // restore original winner (NULL?) | |
1632 | } | |
38997c3c | 1633 | // disable unused candidates |
08419930 | 1634 | for (int ib=nb;ib<fNCandidatesAdded;ib++) MarkSeedFree(fLayerCandidates[index[ib]]); |
38997c3c | 1635 | fNCandidatesAdded = 0; // reset candidates counter |
1636 | // | |
1637 | } | |
1638 | ||
9cdcba2c | 1639 | //__________________________________________________________________ |
1640 | Bool_t AliITSUTrackerGlo::CheckBackwardMatching(AliITSUSeed* seed) | |
1641 | { | |
1642 | // check seed backward propagation chi2 and matching to TPC | |
1643 | double bz0 = GetBz(); | |
70cb7fe4 | 1644 | double rDest = fITS->GetRITSTPCRef(); // reference radius for comparison |
9cdcba2c | 1645 | static AliExternalTrackParam trback; |
1646 | trback = *seed; | |
1647 | trback.ResetCovariance(10000); | |
1648 | int ndf = seed->GetNLayersHit()*2-5; | |
1649 | double chi2sa = RefitTrack(&trback,rDest,1); | |
1650 | if (chi2sa<0) return kFALSE; | |
1651 | if (ndf>0) chi2sa /= ndf; | |
1652 | if (chi2sa>fCurrTrackCond->GetMaxITSSAChi2()) return kFALSE; | |
1653 | // | |
1654 | // relate to TPC track at outer layer | |
1655 | AliExternalTrackParam* tpcSeed = fCurrHyp->GetTPCSeed(); | |
1656 | if (!trback.Rotate(tpcSeed->GetAlpha()) || !trback.PropagateParamOnlyTo(tpcSeed->GetX(),bz0)) { | |
1657 | if (AliDebugLevelClass()>+1 && !seed->ContainsFake()) { | |
1658 | AliInfo(Form("Failed to propagate seed to TPC track @ X:%.3f Alpha:%.3f",tpcSeed->GetX(),tpcSeed->GetAlpha())); | |
1659 | seed->Print("etp"); | |
1660 | trback.Print(); | |
1661 | } | |
1662 | return kFALSE; | |
1663 | } | |
1664 | double chi2Match = trback.GetPredictedChi2(tpcSeed)/5; | |
1665 | if (chi2Match>fCurrTrackCond->GetMaxITSTPCMatchChi2()) return kFALSE; | |
1666 | // | |
1667 | seed->SetChi2ITSSA(chi2sa); | |
1668 | seed->SetChi2ITSTPC(chi2Match); | |
1669 | return kTRUE; | |
1670 | } | |
1671 | ||
6cd80116 | 1672 | //__________________________________________________________________ |
1673 | void AliITSUTrackerGlo::SaveReducedHypothesesTree(AliITSUTrackHyp* dest) | |
1674 | { | |
1675 | // remove those hypothesis seeds which dont lead to candidates at final layer | |
1676 | // | |
1677 | // 1st, flag the seeds to save | |
0e40ce66 | 1678 | int lr0 = fCurrTrackCond->GetActiveLrInner(); |
6cd80116 | 1679 | for (int isd=0;isd<fCurrHyp->GetNSeeds(lr0);isd++) { |
1680 | AliITSUSeed* seed = fCurrHyp->RemoveSeed(lr0,isd); | |
1681 | if (!seed) continue; | |
1682 | seed->FlagTree(AliITSUSeed::kSave); | |
1683 | dest->AddSeed(seed,lr0); | |
1684 | } | |
0e40ce66 | 1685 | for (int ilr=0;ilr<fNLrActive;ilr++) { |
6cd80116 | 1686 | int nsd = fCurrHyp->GetNSeeds(ilr); |
1687 | for (int isd=0;isd<nsd;isd++) { | |
1688 | AliITSUSeed* seed = fCurrHyp->RemoveSeed(ilr,isd); | |
1689 | if (!seed) continue; // already discarded or saved | |
1690 | if (seed->IsSaved()) dest->AddSeed(seed,ilr); | |
1691 | else MarkSeedFree(seed); | |
1692 | } | |
1693 | } | |
1694 | // | |
1695 | // AliInfo(Form("SeedsPool: %d, BookedUpTo: %d, free: %d",fSeedsPool.GetSize(),fSeedsPool.GetEntriesFast(),fNFreeSeeds)); | |
1696 | } | |
1697 | ||
0e40ce66 | 1698 | //__________________________________________________________________ |
1699 | void AliITSUTrackerGlo::CleanHypothesis(AliITSUTrackHyp* hyp) | |
1700 | { | |
1701 | // clean hypothesis | |
1702 | hyp->SetWinner(0); | |
1703 | for (int ilr=0;ilr<fNLrActive;ilr++) { | |
1704 | int nsd = hyp->GetNSeeds(ilr); | |
1705 | for (int isd=0;isd<nsd;isd++) { | |
1706 | AliITSUSeed* seed = hyp->RemoveSeed(ilr,isd); | |
1707 | if (!seed) continue; // already discarded or saved | |
1708 | MarkSeedFree(seed); | |
1709 | } | |
1710 | } | |
1711 | } | |
1712 | ||
53870004 | 1713 | //__________________________________________________________________ |
1714 | void AliITSUTrackerGlo::FlagSplitClusters() | |
1715 | { | |
1716 | // set special bit on split clusters using MC info | |
6cd80116 | 1717 | for (int ilr=fNLrActive;ilr--;) { |
53870004 | 1718 | int nsplit=0; |
1719 | AliITSURecoLayer* lr = fITS->GetLayerActive(ilr); | |
1720 | for (int isn=lr->GetNSensors();isn--;) { | |
1721 | AliITSURecoSens* sens = lr->GetSensor(isn); | |
1722 | int nCl = sens->GetNClusters(); | |
1723 | if (!nCl) continue; | |
1724 | int cl0 = sens->GetFirstClusterId(); | |
1725 | for (int icl=nCl;icl--;) { | |
1726 | AliITSUClusterPix *cl = (AliITSUClusterPix*)lr->GetCluster(cl0+icl); | |
1727 | for (int icl1=icl;icl1--;) { | |
1728 | AliITSUClusterPix *cl1 = (AliITSUClusterPix*)lr->GetCluster(cl0+icl1); | |
1729 | if (cl->HasCommonTrack(cl1)) { | |
1730 | if (!cl->IsSplit()) nsplit++; | |
1731 | if (!cl1->IsSplit()) nsplit++; | |
1732 | cl->SetSplit(); | |
1733 | cl1->SetSplit(); | |
1734 | } | |
1735 | } | |
1736 | } | |
1737 | } | |
1738 | AliInfo(Form("%4d out of %4d clusters are split",nsplit,lr->GetNClusters())); | |
1739 | } | |
1740 | // | |
1741 | } | |
1742 | ||
1743 | //__________________________________________________________________ | |
1744 | Bool_t AliITSUTrackerGlo::ContainsSplitCluster(const AliITSUSeed* seed, Int_t maxSize) | |
1745 | { | |
1746 | // check if the seed contains split cluster with size < maxSize | |
1747 | int lrID,clID; | |
1748 | if ( (clID=seed->GetLrCluster(lrID))>=0 ) { | |
1749 | AliITSUClusterPix* cl = (AliITSUClusterPix*)fITS->GetLayerActive(lrID)->GetCluster(clID); | |
1750 | if (cl->IsSplit() && cl->GetNPix()<maxSize ) return kTRUE; | |
1751 | } | |
1752 | return seed->GetParent() ? ContainsSplitCluster((AliITSUSeed*)seed->GetParent(),maxSize) : kFALSE; | |
1753 | // | |
1754 | } | |
1755 | ||
1756 | //__________________________________________________________________ | |
1757 | void AliITSUTrackerGlo::PrintSeedClusters(const AliITSUSeed* seed, Option_t* option) | |
1758 | { | |
1759 | // print seeds clusters | |
1760 | int lrID,clID; | |
1761 | if ( (clID=seed->GetLrCluster(lrID))>=0 ) { | |
1762 | AliITSUClusterPix* cl = (AliITSUClusterPix*)fITS->GetLayerActive(lrID)->GetCluster(clID); | |
1763 | cl->Print(option); | |
1764 | } | |
1765 | if (seed->GetParent()) PrintSeedClusters((AliITSUSeed*)seed->GetParent(), option); | |
1766 | // | |
1767 | } | |
1768 | ||
c03e4f8a | 1769 | //__________________________________________________________________ |
08419930 | 1770 | void AliITSUTrackerGlo::FlagSeedClusters(const AliITSUSeed* seed, Bool_t flg, UShort_t ref) |
c03e4f8a | 1771 | { |
1772 | // mark used clusters | |
1773 | int lrID,clID; | |
1774 | while (seed) { | |
08419930 | 1775 | if ( (clID=seed->GetLrCluster(lrID))>=0 ) { |
1776 | AliITSUClusterPix* cl = (AliITSUClusterPix*)fITS->GetLayerActive(lrID)->GetCluster(clID); | |
1777 | if (ref) { // do we need to set or delete cluster->track ref? | |
1778 | if (flg) { | |
1779 | if (!cl->GetRecoInfo()) cl->SetRecoInfo(ref); // set ref only if cluster already does not refer to other track, inc.counter | |
1780 | } | |
1781 | else { | |
1782 | if (cl->GetRecoInfo()==ref) cl->SetRecoInfo(0); // unset reference only if it refers to ref, decrease counter | |
1783 | } | |
1784 | } | |
1785 | } | |
c03e4f8a | 1786 | seed = (AliITSUSeed*)seed->GetParent(); |
1787 | } | |
1788 | // | |
1789 | } | |
1790 | ||
d99994b2 | 1791 | //__________________________________________________________________ |
1792 | void AliITSUTrackerGlo::CheckClusterUsage() | |
1793 | { | |
1794 | // check cluster usage info | |
1795 | for (int ilr=0;ilr<fNLrActive;ilr++) { | |
1796 | AliITSURecoLayer* lr = fITS->GetLayerActive(ilr); | |
1797 | int ncl = lr->GetNClusters(); | |
1798 | int nclUsed = 0; | |
1799 | int nclUs0CntShr1 = 0; | |
1800 | int nclUs1Cnt0 = 0; | |
1801 | int nclUs1Shr1 = 0; | |
1802 | int nclUseL = 0; | |
1803 | for (int icl=0;icl<ncl;icl++) { | |
1804 | AliITSUClusterPix *cl = (AliITSUClusterPix*)lr->GetCluster(icl); | |
1805 | int usc = cl->GetClUsage(); | |
1806 | if (usc<1) { | |
1807 | if (cl->IsClusterUsed() || cl->IsClusterShared()) { | |
1808 | nclUs0CntShr1++; | |
1809 | printf("Lr%d Cl%4d: UseCnt=0 but UseFlg=%d UseShr=%d\n",ilr,icl,cl->IsClusterUsed(),cl->IsClusterShared()); | |
1810 | } | |
1811 | continue; | |
1812 | } | |
1813 | nclUsed++; | |
1814 | if (!cl->IsClusterUsed()) { | |
1815 | nclUs1Cnt0++; | |
1816 | printf("Lr%d Cl%4d: UseCnt=%d but UseFlg=%d UseShr=%d\n",ilr,icl,usc, cl->IsClusterUsed(),cl->IsClusterShared()); | |
1817 | } | |
1818 | if (cl->IsClusterShared()) { | |
1819 | nclUs1Shr1++; | |
1820 | printf("Lr%d Cl%4d: UseCnt=%d but UseFlg=%d UseShr=%d\n",ilr,icl,usc, cl->IsClusterUsed(),cl->IsClusterShared()); | |
1821 | } | |
1822 | if (usc>1) { | |
1823 | nclUseL++; | |
1824 | printf("Lr%d Cl%4d: UseCnt=%d!! but UseFlg=%d UseShr=%d\n",ilr,icl,usc, cl->IsClusterUsed(),cl->IsClusterShared()); | |
1825 | } | |
1826 | } | |
1827 | printf("ClUsage Lr%d: Ncl=%5d Nusd=%5d (%5.2f) Use0CS1:%4d Use1C0:%4d Use1S1:%4d UseL:%d\n", | |
1828 | ilr,ncl,nclUsed,ncl? float(nclUsed)/ncl : 0, nclUs0CntShr1,nclUs1Cnt0,nclUs1Shr1,nclUseL); | |
1829 | } | |
1830 | } | |
1831 | ||
1832 | ||
08419930 | 1833 | #ifdef _ITSU_TUNING_MODE_ |
53870004 | 1834 | //__________________________________________________________________ |
781c79ac | 1835 | TObjArray* AliITSUTrackerGlo::BookControlHistos(const char* pref) |
53870004 | 1836 | { |
1837 | // book special control histos | |
08419930 | 1838 | TString prefS = pref; |
1839 | prefS.ToLower(); | |
781c79ac | 1840 | TObjArray* dest = new TObjArray; |
08419930 | 1841 | dest->SetOwner(kTRUE); |
1842 | // | |
bdb92766 | 1843 | const int kNResDef=7; |
1844 | const double kResDef[kNResDef]={0.05,0.05,0.3, 0.05,1,0.5,1.5}; | |
bdb92766 | 1845 | const double ptMax=10; |
1846 | const double plMax=10; | |
1847 | const double chiMax=100; | |
1848 | const int nptbins=50; | |
1849 | const int nresbins=400; | |
1850 | const int nplbins=50; | |
1851 | const int nchbins=200; | |
1852 | const int maxBr = 15; | |
1853 | const int maxCand = 200; | |
1854 | TString ttl; | |
781c79ac | 1855 | for (int phase=0;phase<kNTrackingPhases;phase++) { |
1856 | for (int pass=0;pass<AliITSUReconstructor::GetRecoParam()->GetNTrackingConditions();pass++) { | |
bdb92766 | 1857 | // |
781c79ac | 1858 | for (int ilr=0;ilr<fNLrActive;ilr++) { |
1859 | // | |
1860 | // ----------------- These are histos to be filled in Cluster2Tracks of each pass. | |
1861 | // PropagateBack and RefitInward will be stored among the histos of 1st pass | |
1862 | if (pass>0 && phase!=kClus2Tracks) continue; | |
1863 | // | |
1864 | double mxdf = ilr>=kNResDef ? kResDef[kNResDef-1] : kResDef[ilr]; | |
1865 | ttl = Form("Pass%d_S%d_residY%d_%s",pass,phase,ilr,pref); | |
1866 | TH2F* hdy = new TH2F(ttl.Data(),ttl.Data(),nptbins,0,ptMax,nresbins,-mxdf,mxdf); | |
1867 | dest->AddAtAndExpand(hdy,GetHistoID(ilr,kHResY,pass,phase)); | |
1868 | hdy->SetDirectory(0); | |
1869 | // | |
1870 | ttl = Form("Pass%d_S%d_residYPull%d_%s",pass,phase,ilr,pref); | |
1871 | TH2F* hdyp = new TH2F(ttl.Data(),ttl.Data(),nptbins,0,ptMax,nplbins,-plMax,plMax); | |
1872 | dest->AddAtAndExpand(hdyp,GetHistoID(ilr,kHResYP,pass,phase)); | |
1873 | hdyp->SetDirectory(0); | |
1874 | // | |
1875 | ttl = Form("Pass%d_S%d_residZ%d_%s",pass,phase,ilr,pref); | |
1876 | TH2F* hdz = new TH2F(ttl.Data(),ttl.Data(),nptbins,0,ptMax,nresbins,-mxdf,mxdf); | |
1877 | dest->AddAtAndExpand(hdz,GetHistoID(ilr,kHResZ,pass,phase)); | |
1878 | hdz->SetDirectory(0); | |
1879 | // | |
1880 | ttl = Form("Pass%d_S%d_residZPull%d_%s",pass,phase,ilr,pref); | |
1881 | TH2F* hdzp = new TH2F(ttl.Data(),ttl.Data(),nptbins,0,ptMax,nplbins,-plMax,plMax); | |
1882 | hdzp->SetDirectory(0); | |
1883 | dest->AddAtAndExpand(hdzp,GetHistoID(ilr,kHResZP,pass,phase)); | |
1884 | // | |
1885 | ttl = Form("Pass%d_S%d_chi2Cl%d_%s",pass,phase,ilr,pref); | |
1886 | TH2F* hchi = new TH2F(ttl.Data(),ttl.Data(),nptbins,0,ptMax, nchbins,0.,chiMax); | |
1887 | hchi->SetDirectory(0); | |
1888 | dest->AddAtAndExpand(hchi,GetHistoID(ilr,kHChi2Cl,pass,phase)); | |
1889 | // | |
1890 | // ------------------- These histos are filled for Clusters2Tracks only | |
1891 | if (phase!=kClus2Tracks) continue; | |
1892 | // | |
1893 | ttl = Form("Pass%d_S%d_chi2Nrm%d_%s",pass,phase,ilr,pref); | |
1894 | TH2F* hchiN = new TH2F(ttl.Data(),ttl.Data(),nptbins,0,ptMax, nchbins,0.,chiMax); | |
1895 | hchiN->SetDirectory(0); | |
1896 | dest->AddAtAndExpand(hchiN,GetHistoID(ilr,kHChi2Nrm,pass,phase)); | |
1897 | // | |
1898 | ttl = Form("Pass%d_S%d_bestInBranch%d_%s",pass,phase,ilr,pref); | |
bdb92766 | 1899 | TH2* hnbr = new TH2F(ttl.Data(),ttl.Data(),nptbins,0,ptMax, maxBr,-0.5,maxBr-0.5); |
1900 | hnbr->SetDirectory(0); | |
781c79ac | 1901 | dest->AddAtAndExpand(hnbr,GetHistoID(ilr,kHBestInBranch,pass,phase)); |
c03e4f8a | 1902 | // |
781c79ac | 1903 | ttl = Form("Pass%d_S%d_bestInCands%d_%s",pass,phase,ilr,pref); |
bdb92766 | 1904 | TH2* hncn = new TH2F(ttl.Data(),ttl.Data(),nptbins,0,ptMax, maxCand,-0.5,maxCand-0.5); |
1905 | hncn->SetDirectory(0); | |
781c79ac | 1906 | dest->AddAtAndExpand(hncn,GetHistoID(ilr,kHBestInCand,pass,phase)); |
c03e4f8a | 1907 | // |
781c79ac | 1908 | } // loop over layers |
1909 | // | |
1910 | // these are special histos, filled not per layer but in the end of track fit in Clusters2Tracks in EVERY pass | |
1911 | // | |
1912 | if (phase==kClus2Tracks) { | |
1913 | TH2* hchiMatch = 0; | |
1914 | ttl = Form("Pass%d_Chi2Match_%s",pass,pref); | |
1915 | hchiMatch = new TH2F(ttl.Data(),ttl.Data(),nptbins,0,ptMax, nchbins,0.,chiMax); | |
1916 | hchiMatch->SetDirectory(0); | |
1917 | dest->AddAtAndExpand(hchiMatch,GetHistoID(-1,kHChiMatch,pass,phase)); | |
1918 | // | |
1919 | TH2* hchiSA = 0; | |
1920 | ttl = Form("Pass%d_Chi2ITSSA_%s",pass,pref); | |
1921 | hchiSA = new TH2F(ttl.Data(),ttl.Data(),nptbins,0,ptMax, nchbins/2,0.,chiMax/2); | |
1922 | hchiSA->SetDirectory(0); | |
1923 | dest->AddAtAndExpand(hchiSA,GetHistoID(-1,kHChiITSSA,pass,phase)); | |
1924 | // | |
53870004 | 1925 | } |
781c79ac | 1926 | } // loop over tracking passes |
1927 | }// loop over tracking phases | |
1928 | // | |
1929 | return dest; | |
53870004 | 1930 | } |
781c79ac | 1931 | |
1932 | //__________________________________________________________________ | |
1933 | Int_t AliITSUTrackerGlo::GetHistoID(Int_t lr, Int_t hid, Int_t pass, Int_t phase) | |
1934 | { | |
1935 | // get id for the requested histo | |
1936 | if (lr<0) lr=-1; | |
1937 | lr++; | |
1938 | return pass*kHistosPass + phase*kHistosPhase + lr*kMaxHID + hid; | |
1939 | // | |
1940 | } | |
1941 | ||
53870004 | 1942 | #endif |