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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 | ||
18 | ||
19 | //----------------------------------------------------------------- | |
20 | // | |
21 | // Implementation of the TPC seed class | |
22 | // This class is used by the AliTPCtracker class | |
23 | // Origin: Marian Ivanov, CERN, Marian.Ivanov@cern.ch | |
24 | //----------------------------------------------------------------- | |
25 | #include <TVectorF.h> | |
26 | #include "TClonesArray.h" | |
27 | #include "TGraphErrors.h" | |
28 | #include "AliTPCseed.h" | |
29 | #include "AliTPCReconstructor.h" | |
30 | #include "AliTPCClusterParam.h" | |
31 | #include "AliTPCCalPad.h" | |
32 | #include "AliTPCCalROC.h" | |
33 | #include "AliTPCcalibDB.h" | |
34 | #include "AliTPCParam.h" | |
35 | #include "AliMathBase.h" | |
36 | #include "AliTPCTransform.h" | |
37 | #include "AliSplineFit.h" | |
38 | #include "AliCDBManager.h" | |
39 | #include "AliTPCcalibDButil.h" | |
40 | ||
41 | ||
42 | ClassImp(AliTPCseed) | |
43 | ||
44 | ||
45 | ||
46 | AliTPCseed::AliTPCseed(): | |
47 | AliTPCtrack(), | |
48 | fEsd(0x0), | |
49 | fClusterOwner(kFALSE), | |
50 | fRow(0), | |
51 | fSector(-1), | |
52 | fRelativeSector(-1), | |
53 | fCurrentSigmaY2(1e10), | |
54 | fCurrentSigmaZ2(1e10), | |
55 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% | |
56 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
57 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% | |
58 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
59 | // | |
60 | fErrorY2(1e10), | |
61 | fErrorZ2(1e10), | |
62 | fCurrentCluster(0x0), | |
63 | fCurrentClusterIndex1(-1), | |
64 | fInDead(kFALSE), | |
65 | fIsSeeding(kFALSE), | |
66 | fNoCluster(0), | |
67 | fSort(0), | |
68 | fBSigned(kFALSE), | |
69 | fSeedType(0), | |
70 | fSeed1(-1), | |
71 | fSeed2(-1), | |
72 | fMAngular(0), | |
73 | fCircular(0), | |
74 | fPoolID(-1) | |
75 | { | |
76 | // | |
77 | for (Int_t i=0;i<160;i++) SetClusterIndex2(i,-3); | |
78 | for (Int_t i=0;i<160;i++) fClusterPointer[i]=0; | |
79 | for (Int_t i=0;i<3;i++) fKinkIndexes[i]=0; | |
80 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTPCr[i]=0.2; | |
81 | for (Int_t i=0;i<4;i++) { | |
82 | fDEDX[i] = 0.; | |
83 | fSDEDX[i] = 1e10; | |
84 | fNCDEDX[i] = 0; | |
85 | fNCDEDXInclThres[i] = 0; | |
86 | } | |
87 | fDEDX[4] = 0; | |
88 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = -1; | |
89 | } | |
90 | ||
91 | AliTPCseed::AliTPCseed(const AliTPCseed &s, Bool_t clusterOwner): | |
92 | AliTPCtrack(s), | |
93 | fEsd(0x0), | |
94 | fClusterOwner(clusterOwner), | |
95 | fRow(0), | |
96 | fSector(-1), | |
97 | fRelativeSector(-1), | |
98 | fCurrentSigmaY2(-1), | |
99 | fCurrentSigmaZ2(-1), | |
100 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% | |
101 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
102 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% | |
103 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
104 | fErrorY2(1e10), | |
105 | fErrorZ2(1e10), | |
106 | fCurrentCluster(0x0), | |
107 | fCurrentClusterIndex1(-1), | |
108 | fInDead(kFALSE), | |
109 | fIsSeeding(kFALSE), | |
110 | fNoCluster(0), | |
111 | fSort(0), | |
112 | fBSigned(kFALSE), | |
113 | fSeedType(0), | |
114 | fSeed1(-1), | |
115 | fSeed2(-1), | |
116 | fMAngular(0), | |
117 | fCircular(0), | |
118 | fPoolID(-1) | |
119 | { | |
120 | //--------------------- | |
121 | // dummy copy constructor | |
122 | //------------------------- | |
123 | for (Int_t i=0;i<160;i++) { | |
124 | fClusterPointer[i]=0; | |
125 | if (fClusterOwner){ | |
126 | if (s.fClusterPointer[i]) | |
127 | fClusterPointer[i] = new AliTPCclusterMI(*(s.fClusterPointer[i])); | |
128 | }else{ | |
129 | fClusterPointer[i] = s.fClusterPointer[i]; | |
130 | } | |
131 | fTrackPoints[i] = s.fTrackPoints[i]; | |
132 | } | |
133 | for (Int_t i=0;i<160;i++) fIndex[i] = s.fIndex[i]; | |
134 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTPCr[i]=s.fTPCr[i]; | |
135 | for (Int_t i=0;i<4;i++) { | |
136 | fDEDX[i] = s.fDEDX[i]; | |
137 | fSDEDX[i] = s.fSDEDX[i]; | |
138 | fNCDEDX[i] = s.fNCDEDX[i]; | |
139 | fNCDEDXInclThres[i] = s.fNCDEDXInclThres[i]; | |
140 | } | |
141 | fDEDX[4] = s.fDEDX[4]; | |
142 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = s.fOverlapLabels[i]; | |
143 | ||
144 | } | |
145 | ||
146 | ||
147 | AliTPCseed::AliTPCseed(const AliTPCtrack &t): | |
148 | AliTPCtrack(t), | |
149 | fEsd(0x0), | |
150 | fClusterOwner(kFALSE), | |
151 | fRow(0), | |
152 | fSector(-1), | |
153 | fRelativeSector(-1), | |
154 | fCurrentSigmaY2(-1), | |
155 | fCurrentSigmaZ2(-1), | |
156 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% | |
157 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
158 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% | |
159 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
160 | fErrorY2(1e10), | |
161 | fErrorZ2(1e10), | |
162 | fCurrentCluster(0x0), | |
163 | fCurrentClusterIndex1(-1), | |
164 | fInDead(kFALSE), | |
165 | fIsSeeding(kFALSE), | |
166 | fNoCluster(0), | |
167 | fSort(0), | |
168 | fBSigned(kFALSE), | |
169 | fSeedType(0), | |
170 | fSeed1(-1), | |
171 | fSeed2(-1), | |
172 | fMAngular(0), | |
173 | fCircular(0), | |
174 | fPoolID(-1) | |
175 | { | |
176 | // | |
177 | // Constructor from AliTPCtrack | |
178 | // | |
179 | fFirstPoint =0; | |
180 | for (Int_t i=0;i<5;i++) fTPCr[i]=0.2; | |
181 | for (Int_t i=0;i<160;i++) { | |
182 | fClusterPointer[i] = 0; | |
183 | Int_t index = t.GetClusterIndex(i); | |
184 | if (index>=-1){ | |
185 | SetClusterIndex2(i,index); | |
186 | } | |
187 | else{ | |
188 | SetClusterIndex2(i,-3); | |
189 | } | |
190 | } | |
191 | for (Int_t i=0;i<4;i++) { | |
192 | fDEDX[i] = 0.; | |
193 | fSDEDX[i] = 1e10; | |
194 | fNCDEDX[i] = 0; | |
195 | fNCDEDXInclThres[i] = 0; | |
196 | } | |
197 | fDEDX[4] = 0; | |
198 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = -1; | |
199 | } | |
200 | ||
201 | AliTPCseed::AliTPCseed(Double_t xr, Double_t alpha, const Double_t xx[5], | |
202 | const Double_t cc[15], Int_t index): | |
203 | AliTPCtrack(xr, alpha, xx, cc, index), | |
204 | fEsd(0x0), | |
205 | fClusterOwner(kFALSE), | |
206 | fRow(0), | |
207 | fSector(-1), | |
208 | fRelativeSector(-1), | |
209 | fCurrentSigmaY2(-1), | |
210 | fCurrentSigmaZ2(-1), | |
211 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% | |
212 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
213 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% | |
214 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
215 | fErrorY2(1e10), | |
216 | fErrorZ2(1e10), | |
217 | fCurrentCluster(0x0), | |
218 | fCurrentClusterIndex1(-1), | |
219 | fInDead(kFALSE), | |
220 | fIsSeeding(kFALSE), | |
221 | fNoCluster(0), | |
222 | fSort(0), | |
223 | fBSigned(kFALSE), | |
224 | fSeedType(0), | |
225 | fSeed1(-1), | |
226 | fSeed2(-1), | |
227 | fMAngular(0), | |
228 | fCircular(0), | |
229 | fPoolID(-1) | |
230 | { | |
231 | // | |
232 | // Constructor | |
233 | // | |
234 | fFirstPoint =0; | |
235 | for (Int_t i=0;i<160;i++) SetClusterIndex2(i,-3); | |
236 | for (Int_t i=0;i<160;i++) fClusterPointer[i]=0; | |
237 | for (Int_t i=0;i<5;i++) fTPCr[i]=0.2; | |
238 | for (Int_t i=0;i<4;i++) { | |
239 | fDEDX[i] = 0.; | |
240 | fSDEDX[i] = 1e10; | |
241 | fNCDEDX[i] = 0; | |
242 | fNCDEDXInclThres[i] = 0; | |
243 | } | |
244 | fDEDX[4] = 0; | |
245 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = -1; | |
246 | } | |
247 | ||
248 | AliTPCseed::~AliTPCseed(){ | |
249 | // | |
250 | // destructor | |
251 | fNoCluster =0; | |
252 | if (fClusterOwner){ | |
253 | for (Int_t icluster=0; icluster<160; icluster++){ | |
254 | delete fClusterPointer[icluster]; | |
255 | } | |
256 | } | |
257 | ||
258 | } | |
259 | //_________________________________________________ | |
260 | AliTPCseed & AliTPCseed::operator=(const AliTPCseed ¶m) | |
261 | { | |
262 | // | |
263 | // assignment operator | |
264 | // don't touch pool ID | |
265 | // | |
266 | if(this!=¶m){ | |
267 | AliTPCtrack::operator=(param); | |
268 | fEsd =param.fEsd; | |
269 | fClusterOwner = param.fClusterOwner; | |
270 | if (!fClusterOwner) for(Int_t i = 0;i<160;++i)fClusterPointer[i] = param.fClusterPointer[i]; | |
271 | else for(Int_t i = 0;i<160;++i) { | |
272 | delete fClusterPointer[i]; | |
273 | fClusterPointer[i] = new AliTPCclusterMI(*(param.fClusterPointer[i])); | |
274 | } | |
275 | // leave out fPoint, they are also not copied in the copy ctor... | |
276 | // but deleted in the dtor... strange... | |
277 | fRow = param.fRow; | |
278 | fSector = param.fSector; | |
279 | fRelativeSector = param.fRelativeSector; | |
280 | fCurrentSigmaY2 = param.fCurrentSigmaY2; | |
281 | fCurrentSigmaZ2 = param.fCurrentSigmaZ2; | |
282 | fErrorY2 = param.fErrorY2; | |
283 | fErrorZ2 = param.fErrorZ2; | |
284 | fCurrentCluster = param.fCurrentCluster; // this is not allocated by AliTPCSeed | |
285 | fCurrentClusterIndex1 = param.fCurrentClusterIndex1; | |
286 | fInDead = param.fInDead; | |
287 | fIsSeeding = param.fIsSeeding; | |
288 | fNoCluster = param.fNoCluster; | |
289 | fSort = param.fSort; | |
290 | fBSigned = param.fBSigned; | |
291 | for(Int_t i = 0;i<4;++i){ | |
292 | fDEDX[i] = param.fDEDX[i]; | |
293 | fSDEDX[i] = param.fSDEDX[i]; | |
294 | fNCDEDX[i] = param.fNCDEDX[i]; | |
295 | fNCDEDXInclThres[i] = param.fNCDEDXInclThres[i]; | |
296 | } | |
297 | fDEDX[4] = param.fDEDX[4]; | |
298 | for(Int_t i = 0;i<AliPID::kSPECIES;++i)fTPCr[i] = param.fTPCr[i]; | |
299 | ||
300 | fSeedType = param.fSeedType; | |
301 | fSeed1 = param.fSeed1; | |
302 | fSeed2 = param.fSeed2; | |
303 | for(Int_t i = 0;i<12;++i)fOverlapLabels[i] = param.fOverlapLabels[i]; | |
304 | fMAngular = param.fMAngular; | |
305 | fCircular = param.fCircular; | |
306 | for(int i = 0;i<160;++i)fTrackPoints[i] = param.fTrackPoints[i]; | |
307 | } | |
308 | return (*this); | |
309 | } | |
310 | //____________________________________________________ | |
311 | AliTPCTrackerPoint * AliTPCseed::GetTrackPoint(Int_t i) | |
312 | { | |
313 | // | |
314 | // | |
315 | return &fTrackPoints[i]; | |
316 | } | |
317 | ||
318 | ||
319 | ||
320 | Double_t AliTPCseed::GetDensityFirst(Int_t n) | |
321 | { | |
322 | // | |
323 | // | |
324 | // return cluster for n rows bellow first point | |
325 | Int_t nfoundable = 1; | |
326 | Int_t nfound = 1; | |
327 | for (Int_t i=fLastPoint-1;i>0&&nfoundable<n; i--){ | |
328 | Int_t index = GetClusterIndex2(i); | |
329 | if (index!=-1) nfoundable++; | |
330 | if (index>0) nfound++; | |
331 | } | |
332 | if (nfoundable<n) return 0; | |
333 | return Double_t(nfound)/Double_t(nfoundable); | |
334 | ||
335 | } | |
336 | ||
337 | ||
338 | void AliTPCseed::GetClusterStatistic(Int_t first, Int_t last, Int_t &found, Int_t &foundable, Int_t &shared, Bool_t plus2) | |
339 | { | |
340 | // get cluster stat. on given region | |
341 | // | |
342 | found = 0; | |
343 | foundable = 0; | |
344 | shared =0; | |
345 | for (Int_t i=first;i<last; i++){ | |
346 | Int_t index = GetClusterIndex2(i); | |
347 | if (index!=-1) foundable++; | |
348 | if (index&0x8000) continue; | |
349 | if (fClusterPointer[i]) { | |
350 | found++; | |
351 | } | |
352 | else | |
353 | continue; | |
354 | ||
355 | if (fClusterPointer[i]->IsUsed(10)) { | |
356 | shared++; | |
357 | continue; | |
358 | } | |
359 | if (!plus2) continue; //take also neighborhoud | |
360 | // | |
361 | if ( (i>0) && fClusterPointer[i-1]){ | |
362 | if (fClusterPointer[i-1]->IsUsed(10)) { | |
363 | shared++; | |
364 | continue; | |
365 | } | |
366 | } | |
367 | if ( fClusterPointer[i+1]){ | |
368 | if (fClusterPointer[i+1]->IsUsed(10)) { | |
369 | shared++; | |
370 | continue; | |
371 | } | |
372 | } | |
373 | ||
374 | } | |
375 | //if (shared>found){ | |
376 | //Error("AliTPCseed::GetClusterStatistic","problem\n"); | |
377 | //} | |
378 | } | |
379 | ||
380 | ||
381 | ||
382 | ||
383 | ||
384 | void AliTPCseed::Reset(Bool_t all) | |
385 | { | |
386 | // | |
387 | // | |
388 | SetNumberOfClusters(0); | |
389 | fNFoundable = 0; | |
390 | SetChi2(0); | |
391 | ResetCovariance(10.); | |
392 | /* | |
393 | if (fTrackPoints){ | |
394 | for (Int_t i=0;i<8;i++){ | |
395 | delete [] fTrackPoints[i]; | |
396 | } | |
397 | delete fTrackPoints; | |
398 | fTrackPoints =0; | |
399 | } | |
400 | */ | |
401 | ||
402 | if (all){ | |
403 | for (Int_t i=200;i--;) SetClusterIndex2(i,-3); | |
404 | if (!fClusterOwner) for (Int_t i=160;i--;) fClusterPointer[i]=0; | |
405 | else for (Int_t i=160;i--;) {delete fClusterPointer[i]; fClusterPointer[i]=0;} | |
406 | } | |
407 | ||
408 | } | |
409 | ||
410 | ||
411 | void AliTPCseed::Modify(Double_t factor) | |
412 | { | |
413 | ||
414 | //------------------------------------------------------------------ | |
415 | //This function makes a track forget its history :) | |
416 | //------------------------------------------------------------------ | |
417 | if (factor<=0) { | |
418 | ResetCovariance(10.); | |
419 | return; | |
420 | } | |
421 | ResetCovariance(factor); | |
422 | ||
423 | SetNumberOfClusters(0); | |
424 | fNFoundable =0; | |
425 | SetChi2(0); | |
426 | fRemoval = 0; | |
427 | fCurrentSigmaY2 = 0.000005; | |
428 | fCurrentSigmaZ2 = 0.000005; | |
429 | fNoCluster = 0; | |
430 | //fFirstPoint = 160; | |
431 | //fLastPoint = 0; | |
432 | } | |
433 | ||
434 | ||
435 | ||
436 | ||
437 | Int_t AliTPCseed::GetProlongation(Double_t xk, Double_t &y, Double_t & z) const | |
438 | { | |
439 | //----------------------------------------------------------------- | |
440 | // This function find proloncation of a track to a reference plane x=xk. | |
441 | // doesn't change internal state of the track | |
442 | //----------------------------------------------------------------- | |
443 | ||
444 | Double_t x1=GetX(), x2=x1+(xk-x1), dx=x2-x1; | |
445 | ||
446 | if (TMath::Abs(GetSnp()+GetC()*dx) >= AliTPCReconstructor::GetMaxSnpTrack()) { | |
447 | return 0; | |
448 | } | |
449 | ||
450 | // Double_t y1=fP0, z1=fP1; | |
451 | Double_t c1=GetSnp(), r1=sqrt((1.-c1)*(1.+c1)); | |
452 | Double_t c2=c1 + GetC()*dx, r2=sqrt((1.-c2)*(1.+c2)); | |
453 | ||
454 | y = GetY(); | |
455 | z = GetZ(); | |
456 | //y += dx*(c1+c2)/(r1+r2); | |
457 | //z += dx*(c1+c2)/(c1*r2 + c2*r1)*fP3; | |
458 | ||
459 | Double_t dy = dx*(c1+c2)/(r1+r2); | |
460 | Double_t dz = 0; | |
461 | // | |
462 | Double_t delta = GetC()*dx*(c1+c2)/(c1*r2 + c2*r1); | |
463 | /* | |
464 | if (TMath::Abs(delta)>0.0001){ | |
465 | dz = fP3*TMath::ASin(delta)/fP4; | |
466 | }else{ | |
467 | dz = dx*fP3*(c1+c2)/(c1*r2 + c2*r1); | |
468 | } | |
469 | */ | |
470 | // dz = fP3*AliTPCFastMath::FastAsin(delta)/fP4; | |
471 | dz = GetTgl()*TMath::ASin(delta)/GetC(); | |
472 | // | |
473 | y+=dy; | |
474 | z+=dz; | |
475 | ||
476 | ||
477 | return 1; | |
478 | } | |
479 | ||
480 | ||
481 | //_____________________________________________________________________________ | |
482 | Double_t AliTPCseed::GetPredictedChi2(const AliCluster *c) const | |
483 | { | |
484 | //----------------------------------------------------------------- | |
485 | // This function calculates a predicted chi2 increment. | |
486 | //----------------------------------------------------------------- | |
487 | Double_t p[2]={c->GetY(), c->GetZ()}; | |
488 | Double_t cov[3]={fErrorY2, 0., fErrorZ2}; | |
489 | ||
490 | Float_t dx = ((AliTPCclusterMI*)c)->GetX()-GetX(); | |
491 | if (TMath::Abs(dx)>0){ | |
492 | Float_t ty = TMath::Tan(TMath::ASin(GetSnp())); | |
493 | Float_t dy = dx*ty; | |
494 | Float_t dz = dx*TMath::Sqrt(1.+ty*ty)*GetTgl(); | |
495 | p[0] = c->GetY()-dy; | |
496 | p[1] = c->GetZ()-dz; | |
497 | } | |
498 | return AliExternalTrackParam::GetPredictedChi2(p,cov); | |
499 | } | |
500 | ||
501 | //_________________________________________________________________________________________ | |
502 | ||
503 | ||
504 | Int_t AliTPCseed::Compare(const TObject *o) const { | |
505 | //----------------------------------------------------------------- | |
506 | // This function compares tracks according to the sector - for given sector according z | |
507 | //----------------------------------------------------------------- | |
508 | AliTPCseed *t=(AliTPCseed*)o; | |
509 | ||
510 | if (fSort == 0){ | |
511 | if (t->fRelativeSector>fRelativeSector) return -1; | |
512 | if (t->fRelativeSector<fRelativeSector) return 1; | |
513 | Double_t z2 = t->GetZ(); | |
514 | Double_t z1 = GetZ(); | |
515 | if (z2>z1) return 1; | |
516 | if (z2<z1) return -1; | |
517 | return 0; | |
518 | } | |
519 | else { | |
520 | Float_t f2 =1; | |
521 | f2 = 1-20*TMath::Sqrt(t->GetSigma1Pt2())/(t->OneOverPt()+0.0066); | |
522 | if (t->fBConstrain) f2=1.2; | |
523 | ||
524 | Float_t f1 =1; | |
525 | f1 = 1-20*TMath::Sqrt(GetSigma1Pt2())/(OneOverPt()+0.0066); | |
526 | ||
527 | if (fBConstrain) f1=1.2; | |
528 | ||
529 | if (t->GetNumberOfClusters()*f2 <GetNumberOfClusters()*f1) return -1; | |
530 | else return +1; | |
531 | } | |
532 | } | |
533 | ||
534 | ||
535 | ||
536 | ||
537 | //_____________________________________________________________________________ | |
538 | Bool_t AliTPCseed::Update(const AliCluster *c, Double_t chisq, Int_t index) | |
539 | { | |
540 | //----------------------------------------------------------------- | |
541 | // This function associates a cluster with this track. | |
542 | //----------------------------------------------------------------- | |
543 | Int_t n=GetNumberOfClusters(); | |
544 | Int_t idx=GetClusterIndex(n); // save the current cluster index | |
545 | ||
546 | AliTPCclusterMI cl(*(AliTPCclusterMI*)c); cl.SetSigmaY2(fErrorY2); cl.SetSigmaZ2(fErrorZ2); | |
547 | ||
548 | AliTPCClusterParam * parcl = AliTPCcalibDB::Instance()->GetClusterParam(); | |
549 | ||
550 | Float_t ty = TMath::Tan(TMath::ASin(GetSnp())); | |
551 | ||
552 | if( parcl ){ | |
553 | Int_t padSize = 0; // short pads | |
554 | if (cl.GetDetector() >= 36) { | |
555 | padSize = 1; // medium pads | |
556 | if (cl.GetRow() > 63) padSize = 2; // long pads | |
557 | } | |
558 | Float_t waveCorr = parcl->GetWaveCorrection( padSize, cl.GetZ(), cl.GetMax(),cl.GetPad(), ty ); | |
559 | cl.SetY( cl.GetY() - waveCorr ); | |
560 | } | |
561 | ||
562 | Float_t dx = ((AliTPCclusterMI*)c)->GetX()-GetX(); | |
563 | if (TMath::Abs(dx)>0){ | |
564 | Float_t dy = dx*ty; | |
565 | Float_t dz = dx*TMath::Sqrt(1.+ty*ty)*GetTgl(); | |
566 | cl.SetY(cl.GetY()-dy); | |
567 | cl.SetZ(cl.GetZ()-dz); | |
568 | } | |
569 | ||
570 | ||
571 | if (!AliTPCtrack::Update(&cl,chisq,index)) return kFALSE; | |
572 | ||
573 | if (fCMeanSigmaY2p30<0){ | |
574 | fCMeanSigmaY2p30= c->GetSigmaY2(); //! current mean sigma Y2 - mean30% | |
575 | fCMeanSigmaZ2p30= c->GetSigmaZ2(); //! current mean sigma Z2 - mean30% | |
576 | fCMeanSigmaY2p30R = 1; //! current mean sigma Y2 - mean5% | |
577 | fCMeanSigmaZ2p30R = 1; //! current mean sigma Z2 - mean5% | |
578 | } | |
579 | // | |
580 | fCMeanSigmaY2p30= 0.70*fCMeanSigmaY2p30 +0.30*c->GetSigmaY2(); | |
581 | fCMeanSigmaZ2p30= 0.70*fCMeanSigmaZ2p30 +0.30*c->GetSigmaZ2(); | |
582 | if (fCurrentSigmaY2>0){ | |
583 | fCMeanSigmaY2p30R = 0.7*fCMeanSigmaY2p30R +0.3*c->GetSigmaY2()/fCurrentSigmaY2; | |
584 | fCMeanSigmaZ2p30R = 0.7*fCMeanSigmaZ2p30R +0.3*c->GetSigmaZ2()/fCurrentSigmaZ2; | |
585 | } | |
586 | ||
587 | ||
588 | SetClusterIndex(n,idx); // restore the current cluster index | |
589 | return kTRUE; | |
590 | } | |
591 | ||
592 | ||
593 | ||
594 | //_____________________________________________________________________________ | |
595 | Float_t AliTPCseed::CookdEdx(Double_t low, Double_t up,Int_t i1, Int_t i2, Bool_t /* onlyused */) { | |
596 | //----------------------------------------------------------------- | |
597 | // This funtion calculates dE/dX within the "low" and "up" cuts. | |
598 | //----------------------------------------------------------------- | |
599 | // CookdEdxAnalytical(Double_t low, Double_t up, Int_t type, Int_t i1, Int_t i2, Int_t returnVal) | |
600 | AliTPCParam *param = AliTPCcalibDB::Instance()->GetParameters(); | |
601 | ||
602 | Int_t row0 = param->GetNRowLow(); | |
603 | Int_t row1 = row0+param->GetNRowUp1(); | |
604 | Int_t row2 = row1+param->GetNRowUp2(); | |
605 | const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam(); | |
606 | Int_t useTot = 0; | |
607 | if (recoParam) useTot = (recoParam->GetUseTotCharge())? 0:1; | |
608 | // | |
609 | // | |
610 | TVectorF i1i2; | |
611 | TVectorF iro; | |
612 | TVectorF oro1; | |
613 | TVectorF oro2; | |
614 | TVectorF foro; | |
615 | ||
616 | CookdEdxAnalytical(low,up,useTot ,i1 ,i2, 0, 2, 0, &i1i2); | |
617 | CookdEdxAnalytical(low,up,useTot ,0 ,row0, 0, 2, 0, &iro); | |
618 | CookdEdxAnalytical(low,up,useTot ,row0,row1, 0, 2, 0, &oro1); | |
619 | CookdEdxAnalytical(low,up,useTot ,row1,row2, 0, 2, 0, &oro2); | |
620 | CookdEdxAnalytical(low,up,useTot ,row0,row2, 0, 2, 0, &foro); // full OROC truncated mean | |
621 | ||
622 | fDEDX[0] = i1i2(0); | |
623 | fDEDX[1] = iro(0); | |
624 | fDEDX[2] = oro1(0); | |
625 | fDEDX[3] = oro2(0); | |
626 | fDEDX[4] = foro(0); // full OROC truncated mean | |
627 | // | |
628 | fSDEDX[0] = i1i2(1); | |
629 | fSDEDX[1] = iro(1); | |
630 | fSDEDX[2] = oro1(1); | |
631 | fSDEDX[3] = oro2(1); | |
632 | // | |
633 | fNCDEDX[0] = TMath::Nint(i1i2(2)); | |
634 | fNCDEDX[1] = TMath::Nint( iro(2)); | |
635 | fNCDEDX[2] = TMath::Nint(oro1(2)); | |
636 | fNCDEDX[3] = TMath::Nint(oro2(2)); | |
637 | // | |
638 | fNCDEDXInclThres[0] = TMath::Nint(i1i2(2)+i1i2(9)); | |
639 | fNCDEDXInclThres[1] = TMath::Nint( iro(2)+ iro(9)); | |
640 | fNCDEDXInclThres[2] = TMath::Nint(oro1(2)+oro1(9)); | |
641 | fNCDEDXInclThres[3] = TMath::Nint(oro2(2)+oro2(9)); | |
642 | // | |
643 | SetdEdx(fDEDX[0]); | |
644 | return fDEDX[0]; | |
645 | ||
646 | // return CookdEdxNorm(low,up,0,i1,i2,1,0,2); | |
647 | ||
648 | ||
649 | // Float_t amp[200]; | |
650 | // Float_t angular[200]; | |
651 | // Float_t weight[200]; | |
652 | // Int_t index[200]; | |
653 | // //Int_t nc = 0; | |
654 | // Float_t meanlog = 100.; | |
655 | ||
656 | // Float_t mean[4] = {0,0,0,0}; | |
657 | // Float_t sigma[4] = {1000,1000,1000,1000}; | |
658 | // Int_t nc[4] = {0,0,0,0}; | |
659 | // Float_t norm[4] = {1000,1000,1000,1000}; | |
660 | // // | |
661 | // // | |
662 | // fNShared =0; | |
663 | ||
664 | // Float_t gainGG = 1; | |
665 | // if (AliTPCcalibDB::Instance()->GetParameters()){ | |
666 | // gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000.; //relative gas gain | |
667 | // } | |
668 | ||
669 | ||
670 | // for (Int_t of =0; of<4; of++){ | |
671 | // for (Int_t i=of+i1;i<i2;i+=4) | |
672 | // { | |
673 | // Int_t clindex = fIndex[i]; | |
674 | // if (clindex<0||clindex&0x8000) continue; | |
675 | ||
676 | // //AliTPCTrackPoint * point = (AliTPCTrackPoint *) arr.At(i); | |
677 | // AliTPCTrackerPoint * point = GetTrackPoint(i); | |
678 | // //AliTPCTrackerPoint * pointm = GetTrackPoint(i-1); | |
679 | // //AliTPCTrackerPoint * pointp = 0; | |
680 | // //if (i<159) pointp = GetTrackPoint(i+1); | |
681 | ||
682 | // if (point==0) continue; | |
683 | // AliTPCclusterMI * cl = fClusterPointer[i]; | |
684 | // if (cl==0) continue; | |
685 | // if (onlyused && (!cl->IsUsed(10))) continue; | |
686 | // if (cl->IsUsed(11)) { | |
687 | // fNShared++; | |
688 | // continue; | |
689 | // } | |
690 | // Int_t type = cl->GetType(); | |
691 | // //if (point->fIsShared){ | |
692 | // // fNShared++; | |
693 | // // continue; | |
694 | // //} | |
695 | // //if (pointm) | |
696 | // // if (pointm->fIsShared) continue; | |
697 | // //if (pointp) | |
698 | // // if (pointp->fIsShared) continue; | |
699 | ||
700 | // if (type<0) continue; | |
701 | // //if (type>10) continue; | |
702 | // //if (point->GetErrY()==0) continue; | |
703 | // //if (point->GetErrZ()==0) continue; | |
704 | ||
705 | // //Float_t ddy = (point->GetY()-cl->GetY())/point->GetErrY(); | |
706 | // //Float_t ddz = (point->GetZ()-cl->GetZ())/point->GetErrZ(); | |
707 | // //if ((ddy*ddy+ddz*ddz)>10) continue; | |
708 | ||
709 | ||
710 | // // if (point->GetCPoint().GetMax()<5) continue; | |
711 | // if (cl->GetMax()<5) continue; | |
712 | // Float_t angley = point->GetAngleY(); | |
713 | // Float_t anglez = point->GetAngleZ(); | |
714 | ||
715 | // Float_t rsigmay2 = point->GetSigmaY(); | |
716 | // Float_t rsigmaz2 = point->GetSigmaZ(); | |
717 | // /* | |
718 | // Float_t ns = 1.; | |
719 | // if (pointm){ | |
720 | // rsigmay += pointm->GetTPoint().GetSigmaY(); | |
721 | // rsigmaz += pointm->GetTPoint().GetSigmaZ(); | |
722 | // ns+=1.; | |
723 | // } | |
724 | // if (pointp){ | |
725 | // rsigmay += pointp->GetTPoint().GetSigmaY(); | |
726 | // rsigmaz += pointp->GetTPoint().GetSigmaZ(); | |
727 | // ns+=1.; | |
728 | // } | |
729 | // rsigmay/=ns; | |
730 | // rsigmaz/=ns; | |
731 | // */ | |
732 | ||
733 | // Float_t rsigma = TMath::Sqrt(rsigmay2*rsigmaz2); | |
734 | ||
735 | // Float_t ampc = 0; // normalization to the number of electrons | |
736 | // if (i>64){ | |
737 | // // ampc = 1.*point->GetCPoint().GetMax(); | |
738 | // ampc = 1.*cl->GetMax(); | |
739 | // //ampc = 1.*point->GetCPoint().GetQ(); | |
740 | // // AliTPCClusterPoint & p = point->GetCPoint(); | |
741 | // // Float_t dy = TMath::Abs(Int_t( TMath::Abs(p.GetY()/0.6)) - TMath::Abs(p.GetY()/0.6)+0.5); | |
742 | // // Float_t iz = (250.0-TMath::Abs(p.GetZ())+0.11)/0.566; | |
743 | // //Float_t dz = | |
744 | // // TMath::Abs( Int_t(iz) - iz + 0.5); | |
745 | // //ampc *= 1.15*(1-0.3*dy); | |
746 | // //ampc *= 1.15*(1-0.3*dz); | |
747 | // // Float_t zfactor = (AliTPCReconstructor::GetCtgRange()-0.0004*TMath::Abs(point->GetCPoint().GetZ())); | |
748 | // //ampc *=zfactor; | |
749 | // } | |
750 | // else{ | |
751 | // //ampc = 1.0*point->GetCPoint().GetMax(); | |
752 | // ampc = 1.0*cl->GetMax(); | |
753 | // //ampc = 1.0*point->GetCPoint().GetQ(); | |
754 | // //AliTPCClusterPoint & p = point->GetCPoint(); | |
755 | // // Float_t dy = TMath::Abs(Int_t( TMath::Abs(p.GetY()/0.4)) - TMath::Abs(p.GetY()/0.4)+0.5); | |
756 | // //Float_t iz = (250.0-TMath::Abs(p.GetZ())+0.11)/0.566; | |
757 | // //Float_t dz = | |
758 | // // TMath::Abs( Int_t(iz) - iz + 0.5); | |
759 | ||
760 | // //ampc *= 1.15*(1-0.3*dy); | |
761 | // //ampc *= 1.15*(1-0.3*dz); | |
762 | // // Float_t zfactor = (1.02-0.000*TMath::Abs(point->GetCPoint().GetZ())); | |
763 | // //ampc *=zfactor; | |
764 | ||
765 | // } | |
766 | // ampc *= 2.0; // put mean value to channel 50 | |
767 | // //ampc *= 0.58; // put mean value to channel 50 | |
768 | // Float_t w = 1.; | |
769 | // // if (type>0) w = 1./(type/2.-0.5); | |
770 | // // Float_t z = TMath::Abs(cl->GetZ()); | |
771 | // if (i<64) { | |
772 | // ampc /= 0.6; | |
773 | // //ampc /= (1+0.0008*z); | |
774 | // } else | |
775 | // if (i>128){ | |
776 | // ampc /=1.5; | |
777 | // //ampc /= (1+0.0008*z); | |
778 | // }else{ | |
779 | // //ampc /= (1+0.0008*z); | |
780 | // } | |
781 | ||
782 | // if (type<0) { //amp at the border - lower weight | |
783 | // // w*= 2.; | |
784 | ||
785 | // continue; | |
786 | // } | |
787 | // if (rsigma>1.5) ampc/=1.3; // if big backround | |
788 | // amp[nc[of]] = ampc; | |
789 | // amp[nc[of]] /=gainGG; | |
790 | // angular[nc[of]] = TMath::Sqrt(1.+angley*angley+anglez*anglez); | |
791 | // weight[nc[of]] = w; | |
792 | // nc[of]++; | |
793 | // } | |
794 | ||
795 | // TMath::Sort(nc[of],amp,index,kFALSE); | |
796 | // Float_t sumamp=0; | |
797 | // Float_t sumamp2=0; | |
798 | // Float_t sumw=0; | |
799 | // //meanlog = amp[index[Int_t(nc[of]*0.33)]]; | |
800 | // meanlog = 50; | |
801 | // for (Int_t i=int(nc[of]*low+0.5);i<int(nc[of]*up+0.5);i++){ | |
802 | // Float_t ampl = amp[index[i]]/angular[index[i]]; | |
803 | // ampl = meanlog*TMath::Log(1.+ampl/meanlog); | |
804 | // // | |
805 | // sumw += weight[index[i]]; | |
806 | // sumamp += weight[index[i]]*ampl; | |
807 | // sumamp2 += weight[index[i]]*ampl*ampl; | |
808 | // norm[of] += angular[index[i]]*weight[index[i]]; | |
809 | // } | |
810 | // if (sumw<1){ | |
811 | // SetdEdx(0); | |
812 | // } | |
813 | // else { | |
814 | // norm[of] /= sumw; | |
815 | // mean[of] = sumamp/sumw; | |
816 | // sigma[of] = sumamp2/sumw-mean[of]*mean[of]; | |
817 | // if (sigma[of]>0.1) | |
818 | // sigma[of] = TMath::Sqrt(sigma[of]); | |
819 | // else | |
820 | // sigma[of] = 1000; | |
821 | ||
822 | // mean[of] = (TMath::Exp(mean[of]/meanlog)-1)*meanlog; | |
823 | // //mean *=(1-0.02*(sigma/(mean*0.17)-1.)); | |
824 | // //mean *=(1-0.1*(norm-1.)); | |
825 | // } | |
826 | // } | |
827 | ||
828 | // Float_t dedx =0; | |
829 | // fSdEdx =0; | |
830 | // fMAngular =0; | |
831 | // // mean[0]*= (1-0.05*(sigma[0]/(0.01+mean[1]*0.18)-1)); | |
832 | // // mean[1]*= (1-0.05*(sigma[1]/(0.01+mean[0]*0.18)-1)); | |
833 | ||
834 | ||
835 | // // dedx = (mean[0]* TMath::Sqrt((1.+nc[0]))+ mean[1]* TMath::Sqrt((1.+nc[1])) )/ | |
836 | // // ( TMath::Sqrt((1.+nc[0]))+TMath::Sqrt((1.+nc[1]))); | |
837 | ||
838 | // Int_t norm2 = 0; | |
839 | // Int_t norm3 = 0; | |
840 | // for (Int_t i =0;i<4;i++){ | |
841 | // if (nc[i]>2&&nc[i]<1000){ | |
842 | // dedx += mean[i] *nc[i]; | |
843 | // fSdEdx += sigma[i]*(nc[i]-2); | |
844 | // fMAngular += norm[i] *nc[i]; | |
845 | // norm2 += nc[i]; | |
846 | // norm3 += nc[i]-2; | |
847 | // } | |
848 | // fDEDX[i] = mean[i]; | |
849 | // fSDEDX[i] = sigma[i]; | |
850 | // fNCDEDX[i]= nc[i]; | |
851 | // } | |
852 | ||
853 | // if (norm3>0){ | |
854 | // dedx /=norm2; | |
855 | // fSdEdx /=norm3; | |
856 | // fMAngular/=norm2; | |
857 | // } | |
858 | // else{ | |
859 | // SetdEdx(0); | |
860 | // return 0; | |
861 | // } | |
862 | // // Float_t dedx1 =dedx; | |
863 | // /* | |
864 | // dedx =0; | |
865 | // for (Int_t i =0;i<4;i++){ | |
866 | // if (nc[i]>2&&nc[i]<1000){ | |
867 | // mean[i] = mean[i]*(1-0.12*(sigma[i]/(fSdEdx)-1.)); | |
868 | // dedx += mean[i] *nc[i]; | |
869 | // } | |
870 | // fDEDX[i] = mean[i]; | |
871 | // } | |
872 | // dedx /= norm2; | |
873 | // */ | |
874 | ||
875 | ||
876 | // SetdEdx(dedx); | |
877 | // return dedx; | |
878 | } | |
879 | ||
880 | void AliTPCseed::CookPID() | |
881 | { | |
882 | // | |
883 | // cook PID information according dEdx | |
884 | // | |
885 | Double_t fRange = 10.; | |
886 | Double_t fRes = 0.1; | |
887 | Double_t fMIP = 47.; | |
888 | // | |
889 | Int_t ns=AliPID::kSPECIES; | |
890 | Double_t sumr =0; | |
891 | for (Int_t j=0; j<ns; j++) { | |
892 | Double_t mass=AliPID::ParticleMass(j); | |
893 | Double_t mom=GetP(); | |
894 | Double_t dedx=fdEdx/fMIP; | |
895 | Double_t bethe=AliMathBase::BetheBlochAleph(mom/mass); | |
896 | Double_t sigma=fRes*bethe; | |
897 | if (sigma>0.001){ | |
898 | if (TMath::Abs(dedx-bethe) > fRange*sigma) { | |
899 | fTPCr[j]=TMath::Exp(-0.5*fRange*fRange)/sigma; | |
900 | sumr+=fTPCr[j]; | |
901 | continue; | |
902 | } | |
903 | fTPCr[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma; | |
904 | sumr+=fTPCr[j]; | |
905 | } | |
906 | else{ | |
907 | fTPCr[j]=1.; | |
908 | sumr+=fTPCr[j]; | |
909 | } | |
910 | } | |
911 | for (Int_t j=0; j<ns; j++) { | |
912 | fTPCr[j]/=sumr; //normalize | |
913 | } | |
914 | } | |
915 | ||
916 | Double_t AliTPCseed::GetYat(Double_t xk) const { | |
917 | //----------------------------------------------------------------- | |
918 | // This function calculates the Y-coordinate of a track at the plane x=xk. | |
919 | //----------------------------------------------------------------- | |
920 | if (TMath::Abs(GetSnp())>AliTPCReconstructor::GetMaxSnpTrack()) return 0.; //patch 01 jan 06 | |
921 | Double_t c1=GetSnp(), r1=TMath::Sqrt((1.-c1)*(1.+c1)); | |
922 | Double_t c2=c1+GetC()*(xk-GetX()); | |
923 | if (TMath::Abs(c2)>AliTPCReconstructor::GetMaxSnpTrack()) return 0; | |
924 | Double_t r2=TMath::Sqrt((1.-c2)*(1.+c2)); | |
925 | return GetY() + (xk-GetX())*(c1+c2)/(r1+r2); | |
926 | } | |
927 | ||
928 | ||
929 | ||
930 | Float_t AliTPCseed::CookdEdxNorm(Double_t low, Double_t up, Int_t type, Int_t i1, Int_t i2, Bool_t shapeNorm,Int_t posNorm, Int_t padNorm, Int_t returnVal){ | |
931 | ||
932 | // | |
933 | // calculates dedx using the cluster | |
934 | // low - up specify trunc mean range - default form 0-0.7 | |
935 | // type - 1 - max charge or 0- total charge in cluster | |
936 | // //2- max no corr 3- total+ correction | |
937 | // i1-i2 - the pad-row range used for calculation | |
938 | // shapeNorm - kTRUE -taken from OCDB | |
939 | // | |
940 | // posNorm - usage of pos normalization | |
941 | // padNorm - pad type normalization | |
942 | // returnVal - 0 return mean | |
943 | // - 1 return RMS | |
944 | // - 2 return number of clusters | |
945 | // | |
946 | // normalization parametrization taken from AliTPCClusterParam | |
947 | // | |
948 | AliTPCClusterParam * parcl = AliTPCcalibDB::Instance()->GetClusterParam(); | |
949 | AliTPCParam * param = AliTPCcalibDB::Instance()->GetParameters(); | |
950 | if (!parcl) return 0; | |
951 | if (!param) return 0; | |
952 | Int_t row0 = param->GetNRowLow(); | |
953 | Int_t row1 = row0+param->GetNRowUp1(); | |
954 | ||
955 | Float_t amp[160]; | |
956 | Int_t indexes[160]; | |
957 | Int_t ncl=0; | |
958 | // | |
959 | // | |
960 | Float_t gainGG = 1; // gas gain factor -always enabled | |
961 | Float_t gainPad = 1; // gain map - used always | |
962 | Float_t corrShape = 1; // correction due angular effect, diffusion and electron attachment | |
963 | Float_t corrPos = 1; // local position correction - if posNorm enabled | |
964 | Float_t corrPadType = 1; // pad type correction - if padNorm enabled | |
965 | Float_t corrNorm = 1; // normalization factor - set Q to channel 50 | |
966 | // | |
967 | // | |
968 | // | |
969 | if (AliTPCcalibDB::Instance()->GetParameters()){ | |
970 | gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000; //relative gas gain | |
971 | } | |
972 | ||
973 | const Float_t ktany = TMath::Tan(TMath::DegToRad()*10); | |
974 | const Float_t kedgey =3.; | |
975 | // | |
976 | // | |
977 | for (Int_t irow=i1; irow<i2; irow++){ | |
978 | AliTPCclusterMI* cluster = GetClusterPointer(irow); | |
979 | if (!cluster) continue; | |
980 | if (TMath::Abs(cluster->GetY())>cluster->GetX()*ktany-kedgey) continue; // edge cluster | |
981 | Float_t charge= (type%2)? cluster->GetMax():cluster->GetQ(); | |
982 | Int_t ipad= 0; | |
983 | if (irow>=row0) ipad=1; | |
984 | if (irow>=row1) ipad=2; | |
985 | // | |
986 | // | |
987 | // | |
988 | AliTPCCalPad * gainMap = AliTPCcalibDB::Instance()->GetDedxGainFactor(); | |
989 | if (gainMap) { | |
990 | // | |
991 | // Get gainPad - pad by pad calibration | |
992 | // | |
993 | Float_t factor = 1; | |
994 | AliTPCCalROC * roc = gainMap->GetCalROC(cluster->GetDetector()); | |
995 | if (irow < row0) { // IROC | |
996 | factor = roc->GetValue(irow, TMath::Nint(cluster->GetPad())); | |
997 | } else { // OROC | |
998 | factor = roc->GetValue(irow - row0, TMath::Nint(cluster->GetPad())); | |
999 | } | |
1000 | if (factor>0.5) gainPad=factor; | |
1001 | } | |
1002 | // | |
1003 | //do position and angular normalization | |
1004 | // | |
1005 | if (shapeNorm){ | |
1006 | if (type<=1){ | |
1007 | // | |
1008 | AliTPCTrackerPoint * point = GetTrackPoint(irow); | |
1009 | Float_t ty = TMath::Abs(point->GetAngleY()); | |
1010 | Float_t tz = TMath::Abs(point->GetAngleZ()*TMath::Sqrt(1+ty*ty)); | |
1011 | ||
1012 | Float_t dr = (250.-TMath::Abs(cluster->GetZ()))/250.; | |
1013 | corrShape = parcl->Qnorm(ipad,type,dr,ty,tz); | |
1014 | } | |
1015 | } | |
1016 | ||
1017 | if (posNorm>0){ | |
1018 | // | |
1019 | // Do position normalization - relative distance to | |
1020 | // center of pad- time bin | |
1021 | // Work in progress | |
1022 | // corrPos = parcl->QnormPos(ipad,type, cluster->GetPad(), | |
1023 | // cluster->GetTimeBin(), cluster->GetZ(), | |
1024 | // cluster->GetSigmaY2(),cluster->GetSigmaZ2(), | |
1025 | // cluster->GetMax(),cluster->GetQ()); | |
1026 | // scaled response function | |
1027 | Float_t yres0 = parcl->GetRMS0(0,ipad,0,0)/param->GetPadPitchWidth(cluster->GetDetector()); | |
1028 | Float_t zres0 = parcl->GetRMS0(1,ipad,0,0)/param->GetZWidth(); | |
1029 | // | |
1030 | ||
1031 | AliTPCTrackerPoint * point = GetTrackPoint(irow); | |
1032 | Float_t ty = TMath::Abs(point->GetAngleY()); | |
1033 | Float_t tz = TMath::Abs(point->GetAngleZ()*TMath::Sqrt(1+ty*ty)); | |
1034 | ||
1035 | if (type==1) corrPos = | |
1036 | parcl->QmaxCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
1037 | cluster->GetTimeBin(),ty,tz,yres0,zres0,0.4); | |
1038 | if (type==0) corrPos = | |
1039 | parcl->QtotCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
1040 | cluster->GetTimeBin(),ty,tz,yres0,zres0,cluster->GetQ(),2.5,0.4); | |
1041 | if (posNorm==3){ | |
1042 | Float_t dr = (250.-TMath::Abs(cluster->GetZ()))/250.; | |
1043 | Double_t signtgl = (cluster->GetZ()*point->GetAngleZ()>0)? 1:-1; | |
1044 | Double_t p2 = TMath::Abs(TMath::Sin(TMath::ATan(ty))); | |
1045 | Float_t corrHis = parcl->QnormHis(ipad,type,dr,p2,TMath::Abs(point->GetAngleZ())*signtgl); | |
1046 | if (corrHis>0) corrPos*=corrHis; | |
1047 | } | |
1048 | ||
1049 | } | |
1050 | ||
1051 | if (padNorm==1){ | |
1052 | //taken from OCDB | |
1053 | if (type==0 && parcl->QpadTnorm()) corrPadType = (*parcl->QpadTnorm())[ipad]; | |
1054 | if (type==1 && parcl->QpadMnorm()) corrPadType = (*parcl->QpadMnorm())[ipad]; | |
1055 | ||
1056 | } | |
1057 | if (padNorm==2){ | |
1058 | corrPadType =param->GetPadPitchLength(cluster->GetDetector(),cluster->GetRow()); | |
1059 | //use hardwired - temp fix | |
1060 | if (type==0) corrNorm=3.; | |
1061 | if (type==1) corrNorm=1.; | |
1062 | } | |
1063 | // | |
1064 | amp[ncl]=charge; | |
1065 | amp[ncl]/=gainGG; | |
1066 | amp[ncl]/=gainPad; | |
1067 | amp[ncl]/=corrShape; | |
1068 | amp[ncl]/=corrPadType; | |
1069 | amp[ncl]/=corrPos; | |
1070 | amp[ncl]/=corrNorm; | |
1071 | // | |
1072 | ncl++; | |
1073 | } | |
1074 | ||
1075 | if (type>3) return ncl; | |
1076 | TMath::Sort(ncl,amp, indexes, kFALSE); | |
1077 | ||
1078 | if (ncl<10) return 0; | |
1079 | ||
1080 | Float_t suma=0; | |
1081 | Float_t suma2=0; | |
1082 | Float_t sumn=0; | |
1083 | Int_t icl0=TMath::Nint(ncl*low); | |
1084 | Int_t icl1=TMath::Nint(ncl*up); | |
1085 | for (Int_t icl=icl0; icl<icl1;icl++){ | |
1086 | suma+=amp[indexes[icl]]; | |
1087 | suma2+=amp[indexes[icl]]*amp[indexes[icl]]; | |
1088 | sumn++; | |
1089 | } | |
1090 | Float_t mean =suma/sumn; | |
1091 | Float_t rms =TMath::Sqrt(TMath::Abs(suma2/sumn-mean*mean)); | |
1092 | // | |
1093 | // do time-dependent correction for pressure and temperature variations | |
1094 | UInt_t runNumber = 1; | |
1095 | Float_t corrTimeGain = 1; | |
1096 | AliTPCTransform * trans = AliTPCcalibDB::Instance()->GetTransform(); | |
1097 | const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam(); | |
1098 | if (trans && recoParam->GetUseGainCorrectionTime()>0) { | |
1099 | runNumber = trans->GetCurrentRunNumber(); | |
1100 | //AliTPCcalibDB::Instance()->SetRun(runNumber); | |
1101 | TObjArray * timeGainSplines = AliTPCcalibDB::Instance()->GetTimeGainSplinesRun(runNumber); | |
1102 | if (timeGainSplines) { | |
1103 | UInt_t time = trans->GetCurrentTimeStamp(); | |
1104 | AliSplineFit * fitMIP = (AliSplineFit *) timeGainSplines->At(0); | |
1105 | AliSplineFit * fitFPcosmic = (AliSplineFit *) timeGainSplines->At(1); | |
1106 | if (fitMIP) { | |
1107 | corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitMIP, time);/*fitMIP->Eval(time);*/ | |
1108 | } else { | |
1109 | if (fitFPcosmic) corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitFPcosmic, time);/*fitFPcosmic->Eval(time);*/ | |
1110 | } | |
1111 | } | |
1112 | } | |
1113 | mean /= corrTimeGain; | |
1114 | rms /= corrTimeGain; | |
1115 | // | |
1116 | if (returnVal==1) return rms; | |
1117 | if (returnVal==2) return ncl; | |
1118 | return mean; | |
1119 | } | |
1120 | ||
1121 | Float_t AliTPCseed::CookdEdxAnalytical(Double_t low, Double_t up, Int_t type, Int_t i1, Int_t i2, Int_t returnVal, Int_t rowThres, Int_t mode, TVectorT<float> *returnVec){ | |
1122 | ||
1123 | // | |
1124 | // calculates dedx using the cluster | |
1125 | // low - up specify trunc mean range - default form 0-0.7 | |
1126 | // type - 1 - max charge or 0- total charge in cluster | |
1127 | // //2- max no corr 3- total+ correction | |
1128 | // i1-i2 - the pad-row range used for calculation | |
1129 | // | |
1130 | // posNorm - usage of pos normalization | |
1131 | // returnVal - 0 return mean | |
1132 | // - 1 return RMS | |
1133 | // - 2 return number of clusters | |
1134 | // - 3 ratio | |
1135 | // - 4 mean upper half | |
1136 | // - 5 mean - lower half | |
1137 | // - 6 third moment | |
1138 | // mode - 0 - linear | |
1139 | // - 1 - logatithmic | |
1140 | // rowThres - number of rows before and after given pad row to check for clusters below threshold | |
1141 | // | |
1142 | // normalization parametrization taken from AliTPCClusterParam | |
1143 | // | |
1144 | if (returnVec) returnVec->ResizeTo(10); | |
1145 | ||
1146 | AliTPCClusterParam * parcl = AliTPCcalibDB::Instance()->GetClusterParam(); | |
1147 | AliTPCParam * param = AliTPCcalibDB::Instance()->GetParameters(); | |
1148 | if (!parcl) return 0; | |
1149 | if (!param) return 0; | |
1150 | Int_t row0 = param->GetNRowLow(); | |
1151 | Int_t row1 = row0+param->GetNRowUp1(); | |
1152 | ||
1153 | Float_t amp[160]; | |
1154 | Int_t indexes[160]; | |
1155 | Int_t ncl=0; | |
1156 | Int_t nclBelowThr = 0; // counts number of clusters below threshold | |
1157 | // | |
1158 | // | |
1159 | Float_t gainGG = 1; // gas gain factor -always enabled | |
1160 | Float_t gainPad = 1; // gain map - used always | |
1161 | Float_t corrPos = 1; // local position correction - if posNorm enabled | |
1162 | // | |
1163 | // | |
1164 | // | |
1165 | if (AliTPCcalibDB::Instance()->GetParameters()){ | |
1166 | gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000; //relative gas gain | |
1167 | } | |
1168 | // | |
1169 | // extract time-dependent correction for pressure and temperature variations | |
1170 | // | |
1171 | UInt_t runNumber = 1; | |
1172 | Float_t corrTimeGain = 1; | |
1173 | TObjArray * timeGainSplines = 0x0; | |
1174 | TGraphErrors * grPadEqual = 0x0; | |
1175 | TGraphErrors* grChamberGain[3]={0x0,0x0,0x0}; | |
1176 | // | |
1177 | AliTPCTransform * trans = AliTPCcalibDB::Instance()->GetTransform(); | |
1178 | const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam(); | |
1179 | // | |
1180 | if (recoParam->GetNeighborRowsDedx() == 0) rowThres = 0; | |
1181 | // | |
1182 | if (trans) { | |
1183 | runNumber = trans->GetCurrentRunNumber(); | |
1184 | //AliTPCcalibDB::Instance()->SetRun(runNumber); | |
1185 | timeGainSplines = AliTPCcalibDB::Instance()->GetTimeGainSplinesRun(runNumber); | |
1186 | if (timeGainSplines && recoParam->GetUseGainCorrectionTime()>0) { | |
1187 | UInt_t time = trans->GetCurrentTimeStamp(); | |
1188 | AliSplineFit * fitMIP = (AliSplineFit *) timeGainSplines->At(0); | |
1189 | AliSplineFit * fitFPcosmic = (AliSplineFit *) timeGainSplines->At(1); | |
1190 | if (fitMIP) { | |
1191 | corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitMIP, time); /*fitMIP->Eval(time);*/ | |
1192 | } else { | |
1193 | if (fitFPcosmic) corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitFPcosmic, time); /*fitFPcosmic->Eval(time); */ | |
1194 | } | |
1195 | // | |
1196 | if (type==1) grPadEqual = (TGraphErrors * ) timeGainSplines->FindObject("TGRAPHERRORS_MEANQMAX_PADREGIONGAIN_BEAM_ALL"); | |
1197 | if (type==0) grPadEqual = (TGraphErrors * ) timeGainSplines->FindObject("TGRAPHERRORS_MEANQTOT_PADREGIONGAIN_BEAM_ALL"); | |
1198 | const char* names[3]={"SHORT","MEDIUM","LONG"}; | |
1199 | for (Int_t iPadRegion=0; iPadRegion<3; ++iPadRegion) | |
1200 | grChamberGain[iPadRegion]=(TGraphErrors*)timeGainSplines->FindObject(Form("TGRAPHERRORS_MEAN_CHAMBERGAIN_%s_BEAM_ALL",names[iPadRegion])); | |
1201 | } | |
1202 | } | |
1203 | ||
1204 | const Float_t kClusterShapeCut = 1.5; // IMPPRTANT TO DO: move value to AliTPCRecoParam | |
1205 | const Float_t ktany = TMath::Tan(TMath::DegToRad()*10); | |
1206 | const Float_t kedgey =3.; | |
1207 | // | |
1208 | // | |
1209 | for (Int_t irow=i1; irow<i2; irow++){ | |
1210 | AliTPCclusterMI* cluster = GetClusterPointer(irow); | |
1211 | if (!cluster && irow > 1 && irow < 157) { | |
1212 | Bool_t isClBefore = kFALSE; | |
1213 | Bool_t isClAfter = kFALSE; | |
1214 | for(Int_t ithres = 1; ithres <= rowThres; ithres++) { | |
1215 | AliTPCclusterMI * clusterBefore = GetClusterPointer(irow - ithres); | |
1216 | if (clusterBefore) isClBefore = kTRUE; | |
1217 | AliTPCclusterMI * clusterAfter = GetClusterPointer(irow + ithres); | |
1218 | if (clusterAfter) isClAfter = kTRUE; | |
1219 | } | |
1220 | if (isClBefore && isClAfter) nclBelowThr++; | |
1221 | } | |
1222 | if (!cluster) continue; | |
1223 | // | |
1224 | // | |
1225 | if (TMath::Abs(cluster->GetY())>cluster->GetX()*ktany-kedgey) continue; // edge cluster | |
1226 | // | |
1227 | AliTPCTrackerPoint * point = GetTrackPoint(irow); | |
1228 | if (point==0) continue; | |
1229 | Float_t rsigmay = TMath::Sqrt(point->GetSigmaY()); | |
1230 | if (rsigmay > kClusterShapeCut) continue; | |
1231 | // | |
1232 | if (cluster->IsUsed(11)) continue; // remove shared clusters for PbPb | |
1233 | // | |
1234 | Float_t charge= (type%2)? cluster->GetMax():cluster->GetQ(); | |
1235 | Int_t ipad= 0; | |
1236 | if (irow>=row0) ipad=1; | |
1237 | if (irow>=row1) ipad=2; | |
1238 | // | |
1239 | // | |
1240 | // | |
1241 | AliTPCCalPad * gainMap = AliTPCcalibDB::Instance()->GetDedxGainFactor(); | |
1242 | if (gainMap) { | |
1243 | // | |
1244 | // Get gainPad - pad by pad calibration | |
1245 | // | |
1246 | Float_t factor = 1; | |
1247 | AliTPCCalROC * roc = gainMap->GetCalROC(cluster->GetDetector()); | |
1248 | if (irow < row0) { // IROC | |
1249 | factor = roc->GetValue(irow, TMath::Nint(cluster->GetPad())); | |
1250 | } else { // OROC | |
1251 | factor = roc->GetValue(irow - row0, TMath::Nint(cluster->GetPad())); | |
1252 | } | |
1253 | if (factor>0.3) gainPad=factor; | |
1254 | } | |
1255 | // | |
1256 | // Do position normalization - relative distance to | |
1257 | // center of pad- time bin | |
1258 | ||
1259 | Float_t ty = TMath::Abs(point->GetAngleY()); | |
1260 | Float_t tz = TMath::Abs(point->GetAngleZ()*TMath::Sqrt(1+ty*ty)); | |
1261 | Float_t yres0 = parcl->GetRMS0(0,ipad,0,0)/param->GetPadPitchWidth(cluster->GetDetector()); | |
1262 | Float_t zres0 = parcl->GetRMS0(1,ipad,0,0)/param->GetZWidth(); | |
1263 | ||
1264 | yres0 *=parcl->GetQnormCorr(ipad, type,0); | |
1265 | zres0 *=parcl->GetQnormCorr(ipad, type,1); | |
1266 | Float_t effLength=parcl->GetQnormCorr(ipad, type,4)*0.5; | |
1267 | Float_t effDiff =(parcl->GetQnormCorr(ipad, type,2)+parcl->GetQnormCorr(ipad, type,3))*0.5; | |
1268 | // | |
1269 | if (type==1) { | |
1270 | corrPos = parcl->GetQnormCorr(ipad, type,5)* | |
1271 | parcl->QmaxCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
1272 | cluster->GetTimeBin(),ty,tz,yres0,zres0,effLength,effDiff); | |
1273 | Float_t drm = 0.5-TMath::Abs(cluster->GetZ()/250.); | |
1274 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,0)*drm); | |
1275 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,1)*ty*ty); | |
1276 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,2)*tz*tz); | |
1277 | // | |
1278 | } | |
1279 | if (type==0) { | |
1280 | corrPos = parcl->GetQnormCorr(ipad, type,5)* | |
1281 | parcl->QtotCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
1282 | cluster->GetTimeBin(),ty,tz,yres0,zres0,cluster->GetQ(),2.5,effLength,effDiff); | |
1283 | ||
1284 | Float_t drm = 0.5-TMath::Abs(cluster->GetZ()/250.); | |
1285 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,0)*drm); | |
1286 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,1)*ty*ty); | |
1287 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,2)*tz*tz); | |
1288 | // | |
1289 | } | |
1290 | // | |
1291 | // pad region equalization outside of cluster param | |
1292 | // | |
1293 | Float_t gainEqualPadRegion = 1; | |
1294 | if (grPadEqual && recoParam->GetUseGainCorrectionTime()>0) gainEqualPadRegion = grPadEqual->Eval(ipad); | |
1295 | // | |
1296 | // chamber-by-chamber equalization outside gain map | |
1297 | // | |
1298 | Float_t gainChamber = 1; | |
1299 | if (grChamberGain[ipad] && recoParam->GetUseGainCorrectionTime()>0) gainChamber = grChamberGain[ipad]->Eval(cluster->GetDetector()); | |
1300 | // | |
1301 | amp[ncl]=charge; | |
1302 | amp[ncl]/=gainGG; | |
1303 | amp[ncl]/=gainPad; | |
1304 | amp[ncl]/=corrPos; | |
1305 | amp[ncl]/=gainEqualPadRegion; | |
1306 | amp[ncl]/=gainChamber; | |
1307 | // | |
1308 | ncl++; | |
1309 | } | |
1310 | ||
1311 | if (type==2) return ncl; | |
1312 | TMath::Sort(ncl,amp, indexes, kFALSE); | |
1313 | // | |
1314 | if (ncl<10) return 0; | |
1315 | // | |
1316 | Double_t * ampWithBelow = new Double_t[ncl + nclBelowThr]; | |
1317 | for(Int_t iCl = 0; iCl < ncl + nclBelowThr; iCl++) { | |
1318 | if (iCl < nclBelowThr) { | |
1319 | ampWithBelow[iCl] = amp[indexes[0]]; | |
1320 | } else { | |
1321 | ampWithBelow[iCl] = amp[indexes[iCl - nclBelowThr]]; | |
1322 | } | |
1323 | } | |
1324 | //printf("DEBUG: %i shit %f", nclBelowThr, amp[indexes[0]]); | |
1325 | // | |
1326 | Float_t suma=0; | |
1327 | Float_t suma2=0; | |
1328 | Float_t suma3=0; | |
1329 | Float_t sumaS=0; | |
1330 | Float_t sumn=0; | |
1331 | // upper,and lower part statistic | |
1332 | Float_t sumL=0, sumL2=0, sumLN=0; | |
1333 | Float_t sumD=0, sumD2=0, sumDN=0; | |
1334 | ||
1335 | Int_t icl0=TMath::Nint((ncl + nclBelowThr)*low); | |
1336 | Int_t icl1=TMath::Nint((ncl + nclBelowThr)*up); | |
1337 | Int_t iclm=TMath::Nint((ncl + nclBelowThr)*(low +(up+low)*0.5)); | |
1338 | // | |
1339 | for (Int_t icl=icl0; icl<icl1;icl++){ | |
1340 | if (ampWithBelow[icl]<0.1) continue; | |
1341 | Double_t camp=ampWithBelow[icl]/corrTimeGain; | |
1342 | if (mode==1) camp= TMath::Log(camp); | |
1343 | if (icl<icl1){ | |
1344 | suma+=camp; | |
1345 | suma2+=camp*camp; | |
1346 | suma3+=camp*camp*camp; | |
1347 | sumaS+=TMath::Power(TMath::Abs(camp),1./3.); | |
1348 | sumn++; | |
1349 | } | |
1350 | if (icl>iclm){ | |
1351 | sumL+=camp; | |
1352 | sumL2+=camp*camp; | |
1353 | sumLN++; | |
1354 | } | |
1355 | if (icl<=iclm){ | |
1356 | sumD+=camp; | |
1357 | sumD2+=camp*camp; | |
1358 | sumDN++; | |
1359 | } | |
1360 | } | |
1361 | // | |
1362 | Float_t mean = 0; | |
1363 | Float_t meanL = 0; | |
1364 | Float_t meanD = 0; // lower half mean | |
1365 | if (sumn > 1e-30) mean =suma/sumn; | |
1366 | if (sumLN > 1e-30) meanL =sumL/sumLN; | |
1367 | if (sumDN > 1e-30) meanD =(sumD/sumDN); | |
1368 | /* | |
1369 | Float_t mean =suma/sumn; | |
1370 | Float_t meanL = sumL/sumLN; | |
1371 | Float_t meanD =(sumD/sumDN); // lower half mean | |
1372 | */ | |
1373 | ||
1374 | Float_t rms = 0; | |
1375 | Float_t mean2=0; | |
1376 | Float_t mean3=0; | |
1377 | Float_t meanS=0; | |
1378 | ||
1379 | if(sumn>0){ | |
1380 | rms = TMath::Sqrt(TMath::Abs(suma2/sumn-mean*mean)); | |
1381 | mean2=suma2/sumn; | |
1382 | mean3=suma3/sumn; | |
1383 | meanS=sumaS/sumn; | |
1384 | } | |
1385 | ||
1386 | if (mean2>0) mean2=TMath::Power(TMath::Abs(mean2),1./2.); | |
1387 | if (mean3>0) mean3=TMath::Power(TMath::Abs(mean3),1./3.); | |
1388 | if (meanS>0) meanS=TMath::Power(TMath::Abs(meanS),3.); | |
1389 | // | |
1390 | if (mode==1) mean=TMath::Exp(mean); | |
1391 | if (mode==1) meanL=TMath::Exp(meanL); // upper truncation | |
1392 | if (mode==1) meanD=TMath::Exp(meanD); // lower truncation | |
1393 | // | |
1394 | delete [] ampWithBelow; //return? | |
1395 | ||
1396 | ||
1397 | // | |
1398 | if(returnVec){ | |
1399 | (*returnVec)(0) = mean; | |
1400 | (*returnVec)(1) = rms; | |
1401 | (*returnVec)(2) = ncl; | |
1402 | (*returnVec)(3) = Double_t(nclBelowThr)/Double_t(nclBelowThr+ncl); | |
1403 | (*returnVec)(4) = meanL; | |
1404 | (*returnVec)(5) = meanD; | |
1405 | (*returnVec)(6) = mean2; | |
1406 | (*returnVec)(7) = mean3; | |
1407 | (*returnVec)(8) = meanS; | |
1408 | (*returnVec)(9) = nclBelowThr; | |
1409 | } | |
1410 | ||
1411 | if (returnVal==1) return rms; | |
1412 | if (returnVal==2) return ncl; | |
1413 | if (returnVal==3) return Double_t(nclBelowThr)/Double_t(nclBelowThr+ncl); | |
1414 | if (returnVal==4) return meanL; | |
1415 | if (returnVal==5) return meanD; | |
1416 | if (returnVal==6) return mean2; | |
1417 | if (returnVal==7) return mean3; | |
1418 | if (returnVal==8) return meanS; | |
1419 | if (returnVal==9) return nclBelowThr; | |
1420 | return mean; | |
1421 | } | |
1422 | ||
1423 | ||
1424 | ||
1425 | ||
1426 | Float_t AliTPCseed::CookShape(Int_t type){ | |
1427 | // | |
1428 | // | |
1429 | // | |
1430 | //----------------------------------------------------------------- | |
1431 | // This funtion calculates dE/dX within the "low" and "up" cuts. | |
1432 | //----------------------------------------------------------------- | |
1433 | Float_t means=0; | |
1434 | Float_t meanc=0; | |
1435 | for (Int_t i =0; i<160;i++) { | |
1436 | AliTPCTrackerPoint * point = GetTrackPoint(i); | |
1437 | if (point==0) continue; | |
1438 | ||
1439 | AliTPCclusterMI * cl = fClusterPointer[i]; | |
1440 | if (cl==0) continue; | |
1441 | ||
1442 | Float_t rsigmay = TMath::Sqrt(point->GetSigmaY()); | |
1443 | Float_t rsigmaz = TMath::Sqrt(point->GetSigmaZ()); | |
1444 | Float_t rsigma = (rsigmay+rsigmaz)*0.5; | |
1445 | if (type==0) means+=rsigma; | |
1446 | if (type==1) means+=rsigmay; | |
1447 | if (type==2) means+=rsigmaz; | |
1448 | meanc++; | |
1449 | } | |
1450 | Float_t mean = (meanc>0)? means/meanc:0; | |
1451 | return mean; | |
1452 | } | |
1453 | ||
1454 | ||
1455 | ||
1456 | Int_t AliTPCseed::RefitTrack(AliTPCseed *seed, AliExternalTrackParam * parin, AliExternalTrackParam * parout){ | |
1457 | // | |
1458 | // Refit the track | |
1459 | // return value - number of used clusters | |
1460 | // | |
1461 | // | |
1462 | const Int_t kMinNcl =10; | |
1463 | AliTPCseed *track=new AliTPCseed(*seed); | |
1464 | Int_t sector=-1; | |
1465 | // reset covariance | |
1466 | // | |
1467 | Double_t covar[15]; | |
1468 | for (Int_t i=0;i<15;i++) covar[i]=0; | |
1469 | covar[0]=10.*10.; | |
1470 | covar[2]=10.*10.; | |
1471 | covar[5]=10.*10./(64.*64.); | |
1472 | covar[9]=10.*10./(64.*64.); | |
1473 | covar[14]=1*1; | |
1474 | // | |
1475 | ||
1476 | Float_t xmin=1000, xmax=-10000; | |
1477 | Int_t imin=158, imax=0; | |
1478 | for (Int_t i=0;i<160;i++) { | |
1479 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1480 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; | |
1481 | if (sector<0) sector = c->GetDetector(); | |
1482 | if (c->GetX()<xmin) xmin=c->GetX(); | |
1483 | if (c->GetX()>xmax) xmax=c->GetX(); | |
1484 | if (i<imin) imin=i; | |
1485 | if (i>imax) imax=i; | |
1486 | } | |
1487 | if(imax-imin<kMinNcl) { | |
1488 | delete track; | |
1489 | return 0 ; | |
1490 | } | |
1491 | // Not succes to rotate | |
1492 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1493 | delete track; | |
1494 | return 0; | |
1495 | } | |
1496 | // | |
1497 | // | |
1498 | // fit from inner to outer row | |
1499 | // | |
1500 | AliExternalTrackParam paramIn; | |
1501 | AliExternalTrackParam paramOut; | |
1502 | Bool_t isOK=kTRUE; | |
1503 | Int_t ncl=0; | |
1504 | // | |
1505 | // | |
1506 | // | |
1507 | for (Int_t i=imin; i<=imax; i++){ | |
1508 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1509 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; | |
1510 | // if (RejectCluster(c,track)) continue; | |
1511 | sector = (c->GetDetector()%18); | |
1512 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1513 | //continue; | |
1514 | } | |
1515 | Double_t r[3]={c->GetX(),c->GetY(),c->GetZ()}; | |
1516 | Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation | |
1517 | if (!track->PropagateTo(r[0])) { | |
1518 | isOK=kFALSE; | |
1519 | } | |
1520 | if ( !((static_cast<AliExternalTrackParam*>(track)->Update(&r[1],cov)))) isOK=kFALSE; | |
1521 | } | |
1522 | if (!isOK) { delete track; return 0;} | |
1523 | track->AddCovariance(covar); | |
1524 | // | |
1525 | // | |
1526 | // | |
1527 | for (Int_t i=imax; i>=imin; i--){ | |
1528 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1529 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; | |
1530 | //if (RejectCluster(c,track)) continue; | |
1531 | sector = (c->GetDetector()%18); | |
1532 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1533 | //continue; | |
1534 | } | |
1535 | Double_t r[3]={c->GetX(),c->GetY(),c->GetZ()}; | |
1536 | Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation | |
1537 | if (!track->PropagateTo(r[0])) { | |
1538 | isOK=kFALSE; | |
1539 | } | |
1540 | if ( !((static_cast<AliExternalTrackParam*>(track)->Update(&r[1],cov)))) isOK=kFALSE; | |
1541 | } | |
1542 | //if (!isOK) { delete track; return 0;} | |
1543 | paramIn = *track; | |
1544 | track->AddCovariance(covar); | |
1545 | // | |
1546 | // | |
1547 | for (Int_t i=imin; i<=imax; i++){ | |
1548 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1549 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; | |
1550 | sector = (c->GetDetector()%18); | |
1551 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1552 | //continue; | |
1553 | } | |
1554 | ncl++; | |
1555 | //if (RejectCluster(c,track)) continue; | |
1556 | Double_t r[3]={c->GetX(),c->GetY(),c->GetZ()}; | |
1557 | Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation | |
1558 | if (!track->PropagateTo(r[0])) { | |
1559 | isOK=kFALSE; | |
1560 | } | |
1561 | if ( !((static_cast<AliExternalTrackParam*>(track)->Update(&r[1],cov)))) isOK=kFALSE; | |
1562 | } | |
1563 | //if (!isOK) { delete track; return 0;} | |
1564 | paramOut=*track; | |
1565 | // | |
1566 | // | |
1567 | // | |
1568 | if (parin) (*parin)=paramIn; | |
1569 | if (parout) (*parout)=paramOut; | |
1570 | delete track; | |
1571 | return ncl; | |
1572 | } | |
1573 | ||
1574 | ||
1575 | ||
1576 | Bool_t AliTPCseed::RefitTrack(AliTPCseed* /*seed*/, Bool_t /*out*/){ | |
1577 | // | |
1578 | // | |
1579 | // | |
1580 | return kFALSE; | |
1581 | } | |
1582 | ||
1583 | ||
1584 | ||
1585 | ||
1586 | ||
1587 | ||
1588 | void AliTPCseed::GetError(AliTPCclusterMI* cluster, AliExternalTrackParam * param, | |
1589 | Double_t& erry, Double_t &errz) | |
1590 | { | |
1591 | // | |
1592 | // Get cluster error at given position | |
1593 | // | |
1594 | AliTPCClusterParam *clusterParam = AliTPCcalibDB::Instance()->GetClusterParam(); | |
1595 | Double_t tany,tanz; | |
1596 | Double_t snp1=param->GetSnp(); | |
1597 | tany=snp1/TMath::Sqrt((1.-snp1)*(1.+snp1)); | |
1598 | // | |
1599 | Double_t tgl1=param->GetTgl(); | |
1600 | tanz=tgl1/TMath::Sqrt((1.-snp1)*(1.+snp1)); | |
1601 | // | |
1602 | Int_t padSize = 0; // short pads | |
1603 | if (cluster->GetDetector() >= 36) { | |
1604 | padSize = 1; // medium pads | |
1605 | if (cluster->GetRow() > 63) padSize = 2; // long pads | |
1606 | } | |
1607 | ||
1608 | erry = clusterParam->GetError0Par( 0, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tany) ); | |
1609 | errz = clusterParam->GetError0Par( 1, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tanz) ); | |
1610 | } | |
1611 | ||
1612 | ||
1613 | void AliTPCseed::GetShape(AliTPCclusterMI* cluster, AliExternalTrackParam * param, | |
1614 | Double_t& rmsy, Double_t &rmsz) | |
1615 | { | |
1616 | // | |
1617 | // Get cluster error at given position | |
1618 | // | |
1619 | AliTPCClusterParam *clusterParam = AliTPCcalibDB::Instance()->GetClusterParam(); | |
1620 | Double_t tany,tanz; | |
1621 | Double_t snp1=param->GetSnp(); | |
1622 | tany=snp1/TMath::Sqrt((1.-snp1)*(1.+snp1)); | |
1623 | // | |
1624 | Double_t tgl1=param->GetTgl(); | |
1625 | tanz=tgl1/TMath::Sqrt((1.-snp1)*(1.+snp1)); | |
1626 | // | |
1627 | Int_t padSize = 0; // short pads | |
1628 | if (cluster->GetDetector() >= 36) { | |
1629 | padSize = 1; // medium pads | |
1630 | if (cluster->GetRow() > 63) padSize = 2; // long pads | |
1631 | } | |
1632 | ||
1633 | rmsy = clusterParam->GetRMSQ( 0, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tany), TMath::Abs(cluster->GetMax()) ); | |
1634 | rmsz = clusterParam->GetRMSQ( 1, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tanz) ,TMath::Abs(cluster->GetMax())); | |
1635 | } | |
1636 | ||
1637 | ||
1638 | ||
1639 | Double_t AliTPCseed::GetQCorrGeom(Float_t ty, Float_t tz){ | |
1640 | //Geoetrical | |
1641 | //ty - tangent in local y direction | |
1642 | //tz - tangent | |
1643 | // | |
1644 | Float_t norm=TMath::Sqrt(1+ty*ty+tz*tz); | |
1645 | return norm; | |
1646 | } | |
1647 | ||
1648 | Double_t AliTPCseed::GetQCorrShape(Int_t ipad, Int_t type,Float_t z, Float_t ty, Float_t tz, Float_t /*q*/, Float_t /*thr*/){ | |
1649 | // | |
1650 | // Q normalization | |
1651 | // | |
1652 | // return value = Q Normalization factor | |
1653 | // Normalization - 1 - shape factor part for full drift | |
1654 | // 1 - electron attachment for 0 drift | |
1655 | ||
1656 | // Input parameters: | |
1657 | // | |
1658 | // ipad - 0 short pad | |
1659 | // 1 medium pad | |
1660 | // 2 long pad | |
1661 | // | |
1662 | // type - 0 qmax | |
1663 | // - 1 qtot | |
1664 | // | |
1665 | //z - z position (-250,250 cm) | |
1666 | //ty - tangent in local y direction | |
1667 | //tz - tangent | |
1668 | // | |
1669 | ||
1670 | AliTPCClusterParam * paramCl = AliTPCcalibDB::Instance()->GetClusterParam(); | |
1671 | AliTPCParam * paramTPC = AliTPCcalibDB::Instance()->GetParameters(); | |
1672 | ||
1673 | if (!paramCl) return 1; | |
1674 | // | |
1675 | Double_t dr = 250.-TMath::Abs(z); | |
1676 | Double_t sy = paramCl->GetRMS0( 0,ipad, dr, TMath::Abs(ty)); | |
1677 | Double_t sy0= paramCl->GetRMS0(0,ipad, 250, 0); | |
1678 | Double_t sz = paramCl->GetRMS0( 1,ipad, dr, TMath::Abs(tz)); | |
1679 | Double_t sz0= paramCl->GetRMS0(1,ipad, 250, 0); | |
1680 | ||
1681 | Double_t sfactorMax = TMath::Sqrt(sy0*sz0/(sy*sz)); | |
1682 | ||
1683 | ||
1684 | Double_t dt = 1000000*(dr/paramTPC->GetDriftV()); //time in microsecond | |
1685 | Double_t attProb = TMath::Exp(-paramTPC->GetAttCoef()*paramTPC->GetOxyCont()*dt); | |
1686 | // | |
1687 | // | |
1688 | if (type==0) return sfactorMax*attProb; | |
1689 | ||
1690 | return attProb; | |
1691 | ||
1692 | ||
1693 | } | |
1694 | ||
1695 | ||
1696 | /* | |
1697 | //_______________________________________________________________________ | |
1698 | Float_t AliTPCseed::GetTPCClustInfo(Int_t nNeighbours, Int_t type, Int_t row0, Int_t row1, TVectorT<float> *returnVec) | |
1699 | { | |
1700 | // | |
1701 | // TPC cluster information | |
1702 | // type 0: get fraction of found/findable clusters with neighbourhood definition | |
1703 | // 1: found clusters | |
1704 | // 2: findable (number of clusters above and below threshold) | |
1705 | // | |
1706 | // definition of findable clusters: | |
1707 | // a cluster is defined as findable if there is another cluster | |
1708 | // within +- nNeighbours pad rows. The idea is to overcome threshold | |
1709 | // effects with a very simple algorithm. | |
1710 | // | |
1711 | ||
1712 | const Float_t kClusterShapeCut = 1.5; // IMPPRTANT TO DO: move value to AliTPCRecoParam | |
1713 | const Float_t ktany = TMath::Tan(TMath::DegToRad()*10); | |
1714 | const Float_t kedgey =3.; | |
1715 | ||
1716 | Float_t ncl = 0; | |
1717 | Float_t nclBelowThr = 0; // counts number of clusters below threshold | |
1718 | ||
1719 | for (Int_t irow=row0; irow<row1; irow++){ | |
1720 | AliTPCclusterMI* cluster = GetClusterPointer(irow); | |
1721 | ||
1722 | if (!cluster && irow > 1 && irow < 157) { | |
1723 | Bool_t isClBefore = kFALSE; | |
1724 | Bool_t isClAfter = kFALSE; | |
1725 | for(Int_t ithres = 1; ithres <= nNeighbours; ithres++) { | |
1726 | AliTPCclusterMI * clusterBefore = GetClusterPointer(irow - ithres); | |
1727 | if (clusterBefore) isClBefore = kTRUE; | |
1728 | AliTPCclusterMI * clusterAfter = GetClusterPointer(irow + ithres); | |
1729 | if (clusterAfter) isClAfter = kTRUE; | |
1730 | } | |
1731 | if (isClBefore && isClAfter) nclBelowThr++; | |
1732 | } | |
1733 | if (!cluster) continue; | |
1734 | // | |
1735 | // | |
1736 | if (TMath::Abs(cluster->GetY())>cluster->GetX()*ktany-kedgey) continue; // edge cluster | |
1737 | // | |
1738 | AliTPCTrackerPoint * point = GetTrackPoint(irow); | |
1739 | if (point==0) continue; | |
1740 | Float_t rsigmay = TMath::Sqrt(point->GetSigmaY()); | |
1741 | if (rsigmay > kClusterShapeCut) continue; | |
1742 | // | |
1743 | if (cluster->IsUsed(11)) continue; // remove shared clusters for PbPb | |
1744 | ncl++; | |
1745 | } | |
1746 | if(returnVec->GetNoElements != 3){ | |
1747 | returnVec->ResizeTo(3); | |
1748 | } | |
1749 | Float_t nclAll = nclBelowThr+ncl; | |
1750 | returnVec(0) = nclAll>0?ncl/nclAll:0; | |
1751 | returnVec(1) = ncl; | |
1752 | returnVec(2) = nclAll; | |
1753 | ||
1754 | if(ncl<10) | |
1755 | return 0; | |
1756 | if(type==0) | |
1757 | if(nclAll>0) | |
1758 | return ncl/nclAll; | |
1759 | if(type==1) | |
1760 | return ncl; | |
1761 | if(type==2) | |
1762 | return nclAll; | |
1763 | return 0; | |
1764 | } | |
1765 | */ | |
1766 | //_______________________________________________________________________ | |
1767 | Int_t AliTPCseed::GetNumberOfClustersIndices() { | |
1768 | Int_t ncls = 0; | |
1769 | for (int i=0; i < 160; i++) { | |
1770 | if ((fIndex[i] & 0x8000) == 0) | |
1771 | ncls++; | |
1772 | } | |
1773 | return ncls; | |
1774 | } | |
1775 | ||
1776 | //_______________________________________________________________________ | |
1777 | void AliTPCseed::Clear(Option_t*) | |
1778 | { | |
1779 | // formally seed may allocate memory for clusters (althought this should not happen for | |
1780 | // the seeds in the pool). Hence we need this method for fwd. compatibility | |
1781 | if (fClusterOwner) for (int i=160;i--;) {delete fClusterPointer[i]; fClusterPointer[i] = 0;} | |
1782 | } | |
1783 | ||
1784 | TObject* AliTPCseed::Clone(const char* /*newname*/) const | |
1785 | { | |
1786 | // temporary override TObject::Clone to avoid crashes in reco | |
1787 | AliTPCseed* src = (AliTPCseed*)this; | |
1788 | AliTPCseed* dst = new AliTPCseed(*src,fClusterOwner); | |
1789 | return dst; | |
1790 | } |