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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 | #include <AliCTPTimeParams.h> | |
41 | ||
42 | ||
43 | ClassImp(AliTPCseed) | |
44 | ||
45 | ||
46 | ||
47 | AliTPCseed::AliTPCseed(): | |
48 | AliTPCtrack(), | |
49 | fEsd(0x0), | |
50 | fClusterOwner(kFALSE), | |
51 | fRow(0), | |
52 | fSector(-1), | |
53 | fRelativeSector(-1), | |
54 | fCurrentSigmaY2(1e10), | |
55 | fCurrentSigmaZ2(1e10), | |
56 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% | |
57 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
58 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% | |
59 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
60 | // | |
61 | fErrorY2(1e10), | |
62 | fErrorZ2(1e10), | |
63 | fCurrentCluster(0x0), | |
64 | fCurrentClusterIndex1(-1), | |
65 | fInDead(kFALSE), | |
66 | fIsSeeding(kFALSE), | |
67 | fNoCluster(0), | |
68 | fSort(0), | |
69 | fBSigned(kFALSE), | |
70 | fSeedType(0), | |
71 | fSeed1(-1), | |
72 | fSeed2(-1), | |
73 | fMAngular(0), | |
74 | fCircular(0), | |
75 | fPoolID(-1) | |
76 | { | |
77 | // | |
78 | for (Int_t i=0;i<160;i++) SetClusterIndex2(i,-3); | |
79 | for (Int_t i=0;i<160;i++) fClusterPointer[i]=0; | |
80 | for (Int_t i=0;i<3;i++) fKinkIndexes[i]=0; | |
81 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTPCr[i]=0.2; | |
82 | for (Int_t i=0;i<4;i++) { | |
83 | fDEDX[i] = 0.; | |
84 | fSDEDX[i] = 1e10; | |
85 | fNCDEDX[i] = 0; | |
86 | fNCDEDXInclThres[i] = 0; | |
87 | } | |
88 | for (Int_t i=0;i<9;i++) fDEDX[i] = 0; | |
89 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = -1; | |
90 | } | |
91 | ||
92 | AliTPCseed::AliTPCseed(const AliTPCseed &s, Bool_t clusterOwner): | |
93 | AliTPCtrack(s), | |
94 | fEsd(0x0), | |
95 | fClusterOwner(clusterOwner), | |
96 | fRow(0), | |
97 | fSector(-1), | |
98 | fRelativeSector(-1), | |
99 | fCurrentSigmaY2(-1), | |
100 | fCurrentSigmaZ2(-1), | |
101 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% | |
102 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
103 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% | |
104 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
105 | fErrorY2(1e10), | |
106 | fErrorZ2(1e10), | |
107 | fCurrentCluster(0x0), | |
108 | fCurrentClusterIndex1(-1), | |
109 | fInDead(kFALSE), | |
110 | fIsSeeding(kFALSE), | |
111 | fNoCluster(0), | |
112 | fSort(0), | |
113 | fBSigned(kFALSE), | |
114 | fSeedType(0), | |
115 | fSeed1(-1), | |
116 | fSeed2(-1), | |
117 | fMAngular(0), | |
118 | fCircular(0), | |
119 | fPoolID(-1) | |
120 | { | |
121 | //--------------------- | |
122 | // dummy copy constructor | |
123 | //------------------------- | |
124 | for (Int_t i=0;i<160;i++) { | |
125 | fClusterPointer[i]=0; | |
126 | if (fClusterOwner){ | |
127 | if (s.fClusterPointer[i]) | |
128 | fClusterPointer[i] = new AliTPCclusterMI(*(s.fClusterPointer[i])); | |
129 | }else{ | |
130 | fClusterPointer[i] = s.fClusterPointer[i]; | |
131 | } | |
132 | fTrackPoints[i] = s.fTrackPoints[i]; | |
133 | } | |
134 | for (Int_t i=0;i<160;i++) fIndex[i] = s.fIndex[i]; | |
135 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTPCr[i]=s.fTPCr[i]; | |
136 | for (Int_t i=0;i<4;i++) { | |
137 | fDEDX[i] = s.fDEDX[i]; | |
138 | fSDEDX[i] = s.fSDEDX[i]; | |
139 | fNCDEDX[i] = s.fNCDEDX[i]; | |
140 | fNCDEDXInclThres[i] = s.fNCDEDXInclThres[i]; | |
141 | } | |
142 | for (Int_t i=0;i<9;i++) fDEDX[i] = 0; | |
143 | ||
144 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = s.fOverlapLabels[i]; | |
145 | ||
146 | } | |
147 | ||
148 | ||
149 | AliTPCseed::AliTPCseed(const AliTPCtrack &t): | |
150 | AliTPCtrack(t), | |
151 | fEsd(0x0), | |
152 | fClusterOwner(kFALSE), | |
153 | fRow(0), | |
154 | fSector(-1), | |
155 | fRelativeSector(-1), | |
156 | fCurrentSigmaY2(-1), | |
157 | fCurrentSigmaZ2(-1), | |
158 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% | |
159 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
160 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% | |
161 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
162 | fErrorY2(1e10), | |
163 | fErrorZ2(1e10), | |
164 | fCurrentCluster(0x0), | |
165 | fCurrentClusterIndex1(-1), | |
166 | fInDead(kFALSE), | |
167 | fIsSeeding(kFALSE), | |
168 | fNoCluster(0), | |
169 | fSort(0), | |
170 | fBSigned(kFALSE), | |
171 | fSeedType(0), | |
172 | fSeed1(-1), | |
173 | fSeed2(-1), | |
174 | fMAngular(0), | |
175 | fCircular(0), | |
176 | fPoolID(-1) | |
177 | { | |
178 | // | |
179 | // Constructor from AliTPCtrack | |
180 | // | |
181 | fFirstPoint =0; | |
182 | for (Int_t i=0;i<5;i++) fTPCr[i]=0.2; | |
183 | for (Int_t i=0;i<160;i++) { | |
184 | fClusterPointer[i] = 0; | |
185 | Int_t index = t.GetClusterIndex(i); | |
186 | if (index>=-1){ | |
187 | SetClusterIndex2(i,index); | |
188 | } | |
189 | else{ | |
190 | SetClusterIndex2(i,-3); | |
191 | } | |
192 | } | |
193 | for (Int_t i=0;i<4;i++) { | |
194 | fDEDX[i] = 0.; | |
195 | fSDEDX[i] = 1e10; | |
196 | fNCDEDX[i] = 0; | |
197 | fNCDEDXInclThres[i] = 0; | |
198 | } | |
199 | for (Int_t i=0;i<9;i++) fDEDX[i] = fDEDX[i]; | |
200 | ||
201 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = -1; | |
202 | } | |
203 | ||
204 | AliTPCseed::AliTPCseed(Double_t xr, Double_t alpha, const Double_t xx[5], | |
205 | const Double_t cc[15], Int_t index): | |
206 | AliTPCtrack(xr, alpha, xx, cc, index), | |
207 | fEsd(0x0), | |
208 | fClusterOwner(kFALSE), | |
209 | fRow(0), | |
210 | fSector(-1), | |
211 | fRelativeSector(-1), | |
212 | fCurrentSigmaY2(-1), | |
213 | fCurrentSigmaZ2(-1), | |
214 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% | |
215 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
216 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% | |
217 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
218 | fErrorY2(1e10), | |
219 | fErrorZ2(1e10), | |
220 | fCurrentCluster(0x0), | |
221 | fCurrentClusterIndex1(-1), | |
222 | fInDead(kFALSE), | |
223 | fIsSeeding(kFALSE), | |
224 | fNoCluster(0), | |
225 | fSort(0), | |
226 | fBSigned(kFALSE), | |
227 | fSeedType(0), | |
228 | fSeed1(-1), | |
229 | fSeed2(-1), | |
230 | fMAngular(0), | |
231 | fCircular(0), | |
232 | fPoolID(-1) | |
233 | { | |
234 | // | |
235 | // Constructor | |
236 | // | |
237 | fFirstPoint =0; | |
238 | for (Int_t i=0;i<160;i++) SetClusterIndex2(i,-3); | |
239 | for (Int_t i=0;i<160;i++) fClusterPointer[i]=0; | |
240 | for (Int_t i=0;i<5;i++) fTPCr[i]=0.2; | |
241 | for (Int_t i=0;i<4;i++) { | |
242 | fDEDX[i] = 0.; | |
243 | fSDEDX[i] = 1e10; | |
244 | fNCDEDX[i] = 0; | |
245 | fNCDEDXInclThres[i] = 0; | |
246 | } | |
247 | for (Int_t i=0;i<9;i++) fDEDX[i] = 0; | |
248 | ||
249 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = -1; | |
250 | } | |
251 | ||
252 | AliTPCseed::~AliTPCseed(){ | |
253 | // | |
254 | // destructor | |
255 | fNoCluster =0; | |
256 | if (fClusterOwner){ | |
257 | for (Int_t icluster=0; icluster<160; icluster++){ | |
258 | delete fClusterPointer[icluster]; | |
259 | } | |
260 | } | |
261 | ||
262 | } | |
263 | //_________________________________________________ | |
264 | AliTPCseed & AliTPCseed::operator=(const AliTPCseed ¶m) | |
265 | { | |
266 | // | |
267 | // assignment operator | |
268 | // don't touch pool ID | |
269 | // | |
270 | if(this!=¶m){ | |
271 | AliTPCtrack::operator=(param); | |
272 | fEsd =param.fEsd; | |
273 | fClusterOwner = param.fClusterOwner; | |
274 | if (!fClusterOwner) for(Int_t i = 0;i<160;++i)fClusterPointer[i] = param.fClusterPointer[i]; | |
275 | else for(Int_t i = 0;i<160;++i) { | |
276 | delete fClusterPointer[i]; | |
277 | fClusterPointer[i] = new AliTPCclusterMI(*(param.fClusterPointer[i])); | |
278 | } | |
279 | // leave out fPoint, they are also not copied in the copy ctor... | |
280 | // but deleted in the dtor... strange... | |
281 | fRow = param.fRow; | |
282 | fSector = param.fSector; | |
283 | fRelativeSector = param.fRelativeSector; | |
284 | fCurrentSigmaY2 = param.fCurrentSigmaY2; | |
285 | fCurrentSigmaZ2 = param.fCurrentSigmaZ2; | |
286 | fErrorY2 = param.fErrorY2; | |
287 | fErrorZ2 = param.fErrorZ2; | |
288 | fCurrentCluster = param.fCurrentCluster; // this is not allocated by AliTPCSeed | |
289 | fCurrentClusterIndex1 = param.fCurrentClusterIndex1; | |
290 | fInDead = param.fInDead; | |
291 | fIsSeeding = param.fIsSeeding; | |
292 | fNoCluster = param.fNoCluster; | |
293 | fSort = param.fSort; | |
294 | fBSigned = param.fBSigned; | |
295 | for(Int_t i = 0;i<4;++i){ | |
296 | fDEDX[i] = param.fDEDX[i]; | |
297 | fSDEDX[i] = param.fSDEDX[i]; | |
298 | fNCDEDX[i] = param.fNCDEDX[i]; | |
299 | fNCDEDXInclThres[i] = param.fNCDEDXInclThres[i]; | |
300 | } | |
301 | for (Int_t i=0;i<9;i++) fDEDX[i] = 0; | |
302 | ||
303 | for(Int_t i = 0;i<AliPID::kSPECIES;++i)fTPCr[i] = param.fTPCr[i]; | |
304 | ||
305 | fSeedType = param.fSeedType; | |
306 | fSeed1 = param.fSeed1; | |
307 | fSeed2 = param.fSeed2; | |
308 | for(Int_t i = 0;i<12;++i)fOverlapLabels[i] = param.fOverlapLabels[i]; | |
309 | fMAngular = param.fMAngular; | |
310 | fCircular = param.fCircular; | |
311 | for(int i = 0;i<160;++i)fTrackPoints[i] = param.fTrackPoints[i]; | |
312 | } | |
313 | return (*this); | |
314 | } | |
315 | //____________________________________________________ | |
316 | AliTPCTrackerPoint * AliTPCseed::GetTrackPoint(Int_t i) | |
317 | { | |
318 | // | |
319 | // | |
320 | return &fTrackPoints[i]; | |
321 | } | |
322 | ||
323 | ||
324 | ||
325 | Double_t AliTPCseed::GetDensityFirst(Int_t n) | |
326 | { | |
327 | // | |
328 | // | |
329 | // return cluster for n rows bellow first point | |
330 | Int_t nfoundable = 1; | |
331 | Int_t nfound = 1; | |
332 | for (Int_t i=fLastPoint-1;i>0&&nfoundable<n; i--){ | |
333 | Int_t index = GetClusterIndex2(i); | |
334 | if (index!=-1) nfoundable++; | |
335 | if (index>0) nfound++; | |
336 | } | |
337 | if (nfoundable<n) return 0; | |
338 | return Double_t(nfound)/Double_t(nfoundable); | |
339 | ||
340 | } | |
341 | ||
342 | ||
343 | void AliTPCseed::GetClusterStatistic(Int_t first, Int_t last, Int_t &found, Int_t &foundable, Int_t &shared, Bool_t plus2) | |
344 | { | |
345 | // get cluster stat. on given region | |
346 | // | |
347 | found = 0; | |
348 | foundable = 0; | |
349 | shared =0; | |
350 | for (Int_t i=first;i<last; i++){ | |
351 | Int_t index = GetClusterIndex2(i); | |
352 | if (index!=-1) foundable++; | |
353 | if (index&0x8000) continue; | |
354 | if (fClusterPointer[i]) { | |
355 | found++; | |
356 | } | |
357 | else | |
358 | continue; | |
359 | ||
360 | if (fClusterPointer[i]->IsUsed(10)) { | |
361 | shared++; | |
362 | continue; | |
363 | } | |
364 | if (!plus2) continue; //take also neighborhoud | |
365 | // | |
366 | if ( (i>0) && fClusterPointer[i-1]){ | |
367 | if (fClusterPointer[i-1]->IsUsed(10)) { | |
368 | shared++; | |
369 | continue; | |
370 | } | |
371 | } | |
372 | if ( fClusterPointer[i+1]){ | |
373 | if (fClusterPointer[i+1]->IsUsed(10)) { | |
374 | shared++; | |
375 | continue; | |
376 | } | |
377 | } | |
378 | ||
379 | } | |
380 | //if (shared>found){ | |
381 | //Error("AliTPCseed::GetClusterStatistic","problem\n"); | |
382 | //} | |
383 | } | |
384 | ||
385 | ||
386 | ||
387 | ||
388 | ||
389 | void AliTPCseed::Reset(Bool_t all) | |
390 | { | |
391 | // | |
392 | // | |
393 | SetNumberOfClusters(0); | |
394 | fNFoundable = 0; | |
395 | SetChi2(0); | |
396 | ResetCovariance(10.); | |
397 | /* | |
398 | if (fTrackPoints){ | |
399 | for (Int_t i=0;i<8;i++){ | |
400 | delete [] fTrackPoints[i]; | |
401 | } | |
402 | delete fTrackPoints; | |
403 | fTrackPoints =0; | |
404 | } | |
405 | */ | |
406 | ||
407 | if (all){ | |
408 | for (Int_t i=200;i--;) SetClusterIndex2(i,-3); | |
409 | if (!fClusterOwner) for (Int_t i=160;i--;) fClusterPointer[i]=0; | |
410 | else for (Int_t i=160;i--;) {delete fClusterPointer[i]; fClusterPointer[i]=0;} | |
411 | } | |
412 | ||
413 | } | |
414 | ||
415 | ||
416 | void AliTPCseed::Modify(Double_t factor) | |
417 | { | |
418 | ||
419 | //------------------------------------------------------------------ | |
420 | //This function makes a track forget its history :) | |
421 | //------------------------------------------------------------------ | |
422 | if (factor<=0) { | |
423 | ResetCovariance(10.); | |
424 | return; | |
425 | } | |
426 | ResetCovariance(factor); | |
427 | ||
428 | SetNumberOfClusters(0); | |
429 | fNFoundable =0; | |
430 | SetChi2(0); | |
431 | fRemoval = 0; | |
432 | fCurrentSigmaY2 = 0.000005; | |
433 | fCurrentSigmaZ2 = 0.000005; | |
434 | fNoCluster = 0; | |
435 | //fFirstPoint = 160; | |
436 | //fLastPoint = 0; | |
437 | } | |
438 | ||
439 | ||
440 | ||
441 | ||
442 | Int_t AliTPCseed::GetProlongation(Double_t xk, Double_t &y, Double_t & z) const | |
443 | { | |
444 | //----------------------------------------------------------------- | |
445 | // This function find proloncation of a track to a reference plane x=xk. | |
446 | // doesn't change internal state of the track | |
447 | //----------------------------------------------------------------- | |
448 | ||
449 | Double_t x1=GetX(), x2=x1+(xk-x1), dx=x2-x1; | |
450 | ||
451 | if (TMath::Abs(GetSnp()+GetC()*dx) >= AliTPCReconstructor::GetMaxSnpTrack()) { | |
452 | return 0; | |
453 | } | |
454 | ||
455 | // Double_t y1=fP0, z1=fP1; | |
456 | Double_t c1=GetSnp(), r1=sqrt((1.-c1)*(1.+c1)); | |
457 | Double_t c2=c1 + GetC()*dx, r2=sqrt((1.-c2)*(1.+c2)); | |
458 | ||
459 | y = GetY(); | |
460 | z = GetZ(); | |
461 | //y += dx*(c1+c2)/(r1+r2); | |
462 | //z += dx*(c1+c2)/(c1*r2 + c2*r1)*fP3; | |
463 | ||
464 | Double_t dy = dx*(c1+c2)/(r1+r2); | |
465 | Double_t dz = 0; | |
466 | // | |
467 | Double_t delta = GetC()*dx*(c1+c2)/(c1*r2 + c2*r1); | |
468 | /* | |
469 | if (TMath::Abs(delta)>0.0001){ | |
470 | dz = fP3*TMath::ASin(delta)/fP4; | |
471 | }else{ | |
472 | dz = dx*fP3*(c1+c2)/(c1*r2 + c2*r1); | |
473 | } | |
474 | */ | |
475 | // dz = fP3*AliTPCFastMath::FastAsin(delta)/fP4; | |
476 | dz = GetTgl()*TMath::ASin(delta)/GetC(); | |
477 | // | |
478 | y+=dy; | |
479 | z+=dz; | |
480 | ||
481 | ||
482 | return 1; | |
483 | } | |
484 | ||
485 | ||
486 | //_____________________________________________________________________________ | |
487 | Double_t AliTPCseed::GetPredictedChi2(const AliCluster *c) const | |
488 | { | |
489 | //----------------------------------------------------------------- | |
490 | // This function calculates a predicted chi2 increment. | |
491 | //----------------------------------------------------------------- | |
492 | Double_t p[2]={c->GetY(), c->GetZ()}; | |
493 | Double_t cov[3]={fErrorY2, 0., fErrorZ2}; | |
494 | ||
495 | Float_t dx = ((AliTPCclusterMI*)c)->GetX()-GetX(); | |
496 | if (TMath::Abs(dx)>0){ | |
497 | Float_t ty = TMath::Tan(TMath::ASin(GetSnp())); | |
498 | Float_t dy = dx*ty; | |
499 | Float_t dz = dx*TMath::Sqrt(1.+ty*ty)*GetTgl(); | |
500 | p[0] = c->GetY()-dy; | |
501 | p[1] = c->GetZ()-dz; | |
502 | } | |
503 | return AliExternalTrackParam::GetPredictedChi2(p,cov); | |
504 | } | |
505 | ||
506 | //_________________________________________________________________________________________ | |
507 | ||
508 | ||
509 | Int_t AliTPCseed::Compare(const TObject *o) const { | |
510 | //----------------------------------------------------------------- | |
511 | // This function compares tracks according to the sector - for given sector according z | |
512 | //----------------------------------------------------------------- | |
513 | AliTPCseed *t=(AliTPCseed*)o; | |
514 | ||
515 | if (fSort == 0){ | |
516 | if (t->fRelativeSector>fRelativeSector) return -1; | |
517 | if (t->fRelativeSector<fRelativeSector) return 1; | |
518 | Double_t z2 = t->GetZ(); | |
519 | Double_t z1 = GetZ(); | |
520 | if (z2>z1) return 1; | |
521 | if (z2<z1) return -1; | |
522 | return 0; | |
523 | } | |
524 | else { | |
525 | Float_t f2 =1; | |
526 | f2 = 1-20*TMath::Sqrt(t->GetSigma1Pt2())/(t->OneOverPt()+0.0066); | |
527 | if (t->fBConstrain) f2=1.2; | |
528 | ||
529 | Float_t f1 =1; | |
530 | f1 = 1-20*TMath::Sqrt(GetSigma1Pt2())/(OneOverPt()+0.0066); | |
531 | ||
532 | if (fBConstrain) f1=1.2; | |
533 | ||
534 | if (t->GetNumberOfClusters()*f2 <GetNumberOfClusters()*f1) return -1; | |
535 | else return +1; | |
536 | } | |
537 | } | |
538 | ||
539 | ||
540 | ||
541 | ||
542 | //_____________________________________________________________________________ | |
543 | Bool_t AliTPCseed::Update(const AliCluster *c, Double_t chisq, Int_t index) | |
544 | { | |
545 | //----------------------------------------------------------------- | |
546 | // This function associates a cluster with this track. | |
547 | //----------------------------------------------------------------- | |
548 | Int_t n=GetNumberOfClusters(); | |
549 | Int_t idx=GetClusterIndex(n); // save the current cluster index | |
550 | ||
551 | AliTPCclusterMI cl(*(AliTPCclusterMI*)c); cl.SetSigmaY2(fErrorY2); cl.SetSigmaZ2(fErrorZ2); | |
552 | ||
553 | AliTPCClusterParam * parcl = AliTPCcalibDB::Instance()->GetClusterParam(); | |
554 | ||
555 | Float_t ty = TMath::Tan(TMath::ASin(GetSnp())); | |
556 | ||
557 | if( parcl ){ | |
558 | Int_t padSize = 0; // short pads | |
559 | if (cl.GetDetector() >= 36) { | |
560 | padSize = 1; // medium pads | |
561 | if (cl.GetRow() > 63) padSize = 2; // long pads | |
562 | } | |
563 | Float_t waveCorr = parcl->GetWaveCorrection( padSize, cl.GetZ(), cl.GetMax(),cl.GetPad(), ty ); | |
564 | cl.SetY( cl.GetY() - waveCorr ); | |
565 | } | |
566 | ||
567 | Float_t dx = ((AliTPCclusterMI*)c)->GetX()-GetX(); | |
568 | if (TMath::Abs(dx)>0){ | |
569 | Float_t dy = dx*ty; | |
570 | Float_t dz = dx*TMath::Sqrt(1.+ty*ty)*GetTgl(); | |
571 | cl.SetY(cl.GetY()-dy); | |
572 | cl.SetZ(cl.GetZ()-dz); | |
573 | } | |
574 | ||
575 | ||
576 | if (!AliTPCtrack::Update(&cl,chisq,index)) return kFALSE; | |
577 | ||
578 | if (fCMeanSigmaY2p30<0){ | |
579 | fCMeanSigmaY2p30= c->GetSigmaY2(); //! current mean sigma Y2 - mean30% | |
580 | fCMeanSigmaZ2p30= c->GetSigmaZ2(); //! current mean sigma Z2 - mean30% | |
581 | fCMeanSigmaY2p30R = 1; //! current mean sigma Y2 - mean5% | |
582 | fCMeanSigmaZ2p30R = 1; //! current mean sigma Z2 - mean5% | |
583 | } | |
584 | // | |
585 | fCMeanSigmaY2p30= 0.70*fCMeanSigmaY2p30 +0.30*c->GetSigmaY2(); | |
586 | fCMeanSigmaZ2p30= 0.70*fCMeanSigmaZ2p30 +0.30*c->GetSigmaZ2(); | |
587 | if (fCurrentSigmaY2>0){ | |
588 | fCMeanSigmaY2p30R = 0.7*fCMeanSigmaY2p30R +0.3*c->GetSigmaY2()/fCurrentSigmaY2; | |
589 | fCMeanSigmaZ2p30R = 0.7*fCMeanSigmaZ2p30R +0.3*c->GetSigmaZ2()/fCurrentSigmaZ2; | |
590 | } | |
591 | ||
592 | ||
593 | SetClusterIndex(n,idx); // restore the current cluster index | |
594 | return kTRUE; | |
595 | } | |
596 | ||
597 | ||
598 | ||
599 | //_____________________________________________________________________________ | |
600 | Float_t AliTPCseed::CookdEdx(Double_t low, Double_t up,Int_t i1, Int_t i2, Bool_t /* onlyused */) { | |
601 | //----------------------------------------------------------------- | |
602 | // This funtion calculates dE/dX within the "low" and "up" cuts. | |
603 | //----------------------------------------------------------------- | |
604 | // CookdEdxAnalytical(Double_t low, Double_t up, Int_t type, Int_t i1, Int_t i2, Int_t returnVal) | |
605 | AliTPCParam *param = AliTPCcalibDB::Instance()->GetParameters(); | |
606 | ||
607 | Int_t row0 = param->GetNRowLow(); | |
608 | Int_t row1 = row0+param->GetNRowUp1(); | |
609 | Int_t row2 = row1+param->GetNRowUp2(); | |
610 | const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam(); | |
611 | Int_t useTot = 0; | |
612 | if (recoParam) useTot = (recoParam->GetUseTotCharge())? 0:1; | |
613 | // | |
614 | // | |
615 | TVectorF i1i2; | |
616 | TVectorF irocTot; | |
617 | TVectorF oroc1Tot; | |
618 | TVectorF oroc2Tot; | |
619 | TVectorF forocTot; | |
620 | // | |
621 | TVectorF irocMax; | |
622 | TVectorF oroc1Max; | |
623 | TVectorF oroc2Max; | |
624 | TVectorF forocMax; | |
625 | ||
626 | CookdEdxAnalytical(low,up,useTot ,i1 ,i2, 0, 2, 0, &i1i2); | |
627 | // | |
628 | CookdEdxAnalytical(low,up,kTRUE ,0 ,row0, 0, 2, 0, &irocTot); | |
629 | CookdEdxAnalytical(low,up,kTRUE ,row0,row1, 0, 2, 0, &oroc1Tot); | |
630 | CookdEdxAnalytical(low,up,kTRUE ,row1,row2, 0, 2, 0, &oroc2Tot); | |
631 | CookdEdxAnalytical(low,up,kTRUE ,row0,row2, 0, 2, 0, &forocTot); // full OROC truncated mean | |
632 | // | |
633 | CookdEdxAnalytical(low,up,kFALSE ,0 ,row0, 0, 2, 0, &irocMax); | |
634 | CookdEdxAnalytical(low,up,kFALSE ,row0,row1, 0, 2, 0, &oroc1Max); | |
635 | CookdEdxAnalytical(low,up,kFALSE ,row1,row2, 0, 2, 0, &oroc2Max); | |
636 | CookdEdxAnalytical(low,up,kFALSE ,row0,row2, 0, 2, 0, &forocMax); // full OROC truncated mean | |
637 | ||
638 | fDEDX[0] = i1i2(0); | |
639 | // | |
640 | fDEDX[1] = irocTot(0); | |
641 | fDEDX[2] = oroc1Tot(0); | |
642 | fDEDX[3] = oroc2Tot(0); | |
643 | fDEDX[4] = forocTot(0); // full OROC truncated mean | |
644 | fDEDX[5] = irocMax(0); | |
645 | fDEDX[6] = oroc1Max(0); | |
646 | fDEDX[7] = oroc2Max(0); | |
647 | fDEDX[8] = forocMax(0); // full OROC truncated mean | |
648 | // | |
649 | fSDEDX[0] = i1i2(1); | |
650 | fSDEDX[1] = irocTot(1); | |
651 | fSDEDX[2] = oroc1Tot(1); | |
652 | fSDEDX[3] = oroc2Tot(1); | |
653 | // | |
654 | fNCDEDX[0] = TMath::Nint(i1i2(2)); | |
655 | ||
656 | fNCDEDX[1] = TMath::Nint( irocTot(2)); | |
657 | fNCDEDX[2] = TMath::Nint(oroc1Tot(2)); | |
658 | fNCDEDX[3] = TMath::Nint(oroc2Tot(2)); | |
659 | // | |
660 | fNCDEDXInclThres[0] = TMath::Nint(i1i2(2)+i1i2(9)); | |
661 | fNCDEDXInclThres[1] = TMath::Nint( irocTot(2)+ irocTot(9)); | |
662 | fNCDEDXInclThres[2] = TMath::Nint(oroc1Tot(2)+oroc1Tot(9)); | |
663 | fNCDEDXInclThres[3] = TMath::Nint(oroc2Tot(2)+oroc2Tot(9)); | |
664 | // | |
665 | SetdEdx(fDEDX[0]); | |
666 | return fDEDX[0]; | |
667 | ||
668 | // return CookdEdxNorm(low,up,0,i1,i2,1,0,2); | |
669 | ||
670 | ||
671 | // Float_t amp[200]; | |
672 | // Float_t angular[200]; | |
673 | // Float_t weight[200]; | |
674 | // Int_t index[200]; | |
675 | // //Int_t nc = 0; | |
676 | // Float_t meanlog = 100.; | |
677 | ||
678 | // Float_t mean[4] = {0,0,0,0}; | |
679 | // Float_t sigma[4] = {1000,1000,1000,1000}; | |
680 | // Int_t nc[4] = {0,0,0,0}; | |
681 | // Float_t norm[4] = {1000,1000,1000,1000}; | |
682 | // // | |
683 | // // | |
684 | // fNShared =0; | |
685 | ||
686 | // Float_t gainGG = 1; | |
687 | // if (AliTPCcalibDB::Instance()->GetParameters()){ | |
688 | // gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000.; //relative gas gain | |
689 | // } | |
690 | ||
691 | ||
692 | // for (Int_t of =0; of<4; of++){ | |
693 | // for (Int_t i=of+i1;i<i2;i+=4) | |
694 | // { | |
695 | // Int_t clindex = fIndex[i]; | |
696 | // if (clindex<0||clindex&0x8000) continue; | |
697 | ||
698 | // //AliTPCTrackPoint * point = (AliTPCTrackPoint *) arr.At(i); | |
699 | // AliTPCTrackerPoint * point = GetTrackPoint(i); | |
700 | // //AliTPCTrackerPoint * pointm = GetTrackPoint(i-1); | |
701 | // //AliTPCTrackerPoint * pointp = 0; | |
702 | // //if (i<159) pointp = GetTrackPoint(i+1); | |
703 | ||
704 | // if (point==0) continue; | |
705 | // AliTPCclusterMI * cl = fClusterPointer[i]; | |
706 | // if (cl==0) continue; | |
707 | // if (onlyused && (!cl->IsUsed(10))) continue; | |
708 | // if (cl->IsUsed(11)) { | |
709 | // fNShared++; | |
710 | // continue; | |
711 | // } | |
712 | // Int_t type = cl->GetType(); | |
713 | // //if (point->fIsShared){ | |
714 | // // fNShared++; | |
715 | // // continue; | |
716 | // //} | |
717 | // //if (pointm) | |
718 | // // if (pointm->fIsShared) continue; | |
719 | // //if (pointp) | |
720 | // // if (pointp->fIsShared) continue; | |
721 | ||
722 | // if (type<0) continue; | |
723 | // //if (type>10) continue; | |
724 | // //if (point->GetErrY()==0) continue; | |
725 | // //if (point->GetErrZ()==0) continue; | |
726 | ||
727 | // //Float_t ddy = (point->GetY()-cl->GetY())/point->GetErrY(); | |
728 | // //Float_t ddz = (point->GetZ()-cl->GetZ())/point->GetErrZ(); | |
729 | // //if ((ddy*ddy+ddz*ddz)>10) continue; | |
730 | ||
731 | ||
732 | // // if (point->GetCPoint().GetMax()<5) continue; | |
733 | // if (cl->GetMax()<5) continue; | |
734 | // Float_t angley = point->GetAngleY(); | |
735 | // Float_t anglez = point->GetAngleZ(); | |
736 | ||
737 | // Float_t rsigmay2 = point->GetSigmaY(); | |
738 | // Float_t rsigmaz2 = point->GetSigmaZ(); | |
739 | // /* | |
740 | // Float_t ns = 1.; | |
741 | // if (pointm){ | |
742 | // rsigmay += pointm->GetTPoint().GetSigmaY(); | |
743 | // rsigmaz += pointm->GetTPoint().GetSigmaZ(); | |
744 | // ns+=1.; | |
745 | // } | |
746 | // if (pointp){ | |
747 | // rsigmay += pointp->GetTPoint().GetSigmaY(); | |
748 | // rsigmaz += pointp->GetTPoint().GetSigmaZ(); | |
749 | // ns+=1.; | |
750 | // } | |
751 | // rsigmay/=ns; | |
752 | // rsigmaz/=ns; | |
753 | // */ | |
754 | ||
755 | // Float_t rsigma = TMath::Sqrt(rsigmay2*rsigmaz2); | |
756 | ||
757 | // Float_t ampc = 0; // normalization to the number of electrons | |
758 | // if (i>64){ | |
759 | // // ampc = 1.*point->GetCPoint().GetMax(); | |
760 | // ampc = 1.*cl->GetMax(); | |
761 | // //ampc = 1.*point->GetCPoint().GetQ(); | |
762 | // // AliTPCClusterPoint & p = point->GetCPoint(); | |
763 | // // Float_t dy = TMath::Abs(Int_t( TMath::Abs(p.GetY()/0.6)) - TMath::Abs(p.GetY()/0.6)+0.5); | |
764 | // // Float_t iz = (250.0-TMath::Abs(p.GetZ())+0.11)/0.566; | |
765 | // //Float_t dz = | |
766 | // // TMath::Abs( Int_t(iz) - iz + 0.5); | |
767 | // //ampc *= 1.15*(1-0.3*dy); | |
768 | // //ampc *= 1.15*(1-0.3*dz); | |
769 | // // Float_t zfactor = (AliTPCReconstructor::GetCtgRange()-0.0004*TMath::Abs(point->GetCPoint().GetZ())); | |
770 | // //ampc *=zfactor; | |
771 | // } | |
772 | // else{ | |
773 | // //ampc = 1.0*point->GetCPoint().GetMax(); | |
774 | // ampc = 1.0*cl->GetMax(); | |
775 | // //ampc = 1.0*point->GetCPoint().GetQ(); | |
776 | // //AliTPCClusterPoint & p = point->GetCPoint(); | |
777 | // // Float_t dy = TMath::Abs(Int_t( TMath::Abs(p.GetY()/0.4)) - TMath::Abs(p.GetY()/0.4)+0.5); | |
778 | // //Float_t iz = (250.0-TMath::Abs(p.GetZ())+0.11)/0.566; | |
779 | // //Float_t dz = | |
780 | // // TMath::Abs( Int_t(iz) - iz + 0.5); | |
781 | ||
782 | // //ampc *= 1.15*(1-0.3*dy); | |
783 | // //ampc *= 1.15*(1-0.3*dz); | |
784 | // // Float_t zfactor = (1.02-0.000*TMath::Abs(point->GetCPoint().GetZ())); | |
785 | // //ampc *=zfactor; | |
786 | ||
787 | // } | |
788 | // ampc *= 2.0; // put mean value to channel 50 | |
789 | // //ampc *= 0.58; // put mean value to channel 50 | |
790 | // Float_t w = 1.; | |
791 | // // if (type>0) w = 1./(type/2.-0.5); | |
792 | // // Float_t z = TMath::Abs(cl->GetZ()); | |
793 | // if (i<64) { | |
794 | // ampc /= 0.6; | |
795 | // //ampc /= (1+0.0008*z); | |
796 | // } else | |
797 | // if (i>128){ | |
798 | // ampc /=1.5; | |
799 | // //ampc /= (1+0.0008*z); | |
800 | // }else{ | |
801 | // //ampc /= (1+0.0008*z); | |
802 | // } | |
803 | ||
804 | // if (type<0) { //amp at the border - lower weight | |
805 | // // w*= 2.; | |
806 | ||
807 | // continue; | |
808 | // } | |
809 | // if (rsigma>1.5) ampc/=1.3; // if big backround | |
810 | // amp[nc[of]] = ampc; | |
811 | // amp[nc[of]] /=gainGG; | |
812 | // angular[nc[of]] = TMath::Sqrt(1.+angley*angley+anglez*anglez); | |
813 | // weight[nc[of]] = w; | |
814 | // nc[of]++; | |
815 | // } | |
816 | ||
817 | // TMath::Sort(nc[of],amp,index,kFALSE); | |
818 | // Float_t sumamp=0; | |
819 | // Float_t sumamp2=0; | |
820 | // Float_t sumw=0; | |
821 | // //meanlog = amp[index[Int_t(nc[of]*0.33)]]; | |
822 | // meanlog = 50; | |
823 | // for (Int_t i=int(nc[of]*low+0.5);i<int(nc[of]*up+0.5);i++){ | |
824 | // Float_t ampl = amp[index[i]]/angular[index[i]]; | |
825 | // ampl = meanlog*TMath::Log(1.+ampl/meanlog); | |
826 | // // | |
827 | // sumw += weight[index[i]]; | |
828 | // sumamp += weight[index[i]]*ampl; | |
829 | // sumamp2 += weight[index[i]]*ampl*ampl; | |
830 | // norm[of] += angular[index[i]]*weight[index[i]]; | |
831 | // } | |
832 | // if (sumw<1){ | |
833 | // SetdEdx(0); | |
834 | // } | |
835 | // else { | |
836 | // norm[of] /= sumw; | |
837 | // mean[of] = sumamp/sumw; | |
838 | // sigma[of] = sumamp2/sumw-mean[of]*mean[of]; | |
839 | // if (sigma[of]>0.1) | |
840 | // sigma[of] = TMath::Sqrt(sigma[of]); | |
841 | // else | |
842 | // sigma[of] = 1000; | |
843 | ||
844 | // mean[of] = (TMath::Exp(mean[of]/meanlog)-1)*meanlog; | |
845 | // //mean *=(1-0.02*(sigma/(mean*0.17)-1.)); | |
846 | // //mean *=(1-0.1*(norm-1.)); | |
847 | // } | |
848 | // } | |
849 | ||
850 | // Float_t dedx =0; | |
851 | // fSdEdx =0; | |
852 | // fMAngular =0; | |
853 | // // mean[0]*= (1-0.05*(sigma[0]/(0.01+mean[1]*0.18)-1)); | |
854 | // // mean[1]*= (1-0.05*(sigma[1]/(0.01+mean[0]*0.18)-1)); | |
855 | ||
856 | ||
857 | // // dedx = (mean[0]* TMath::Sqrt((1.+nc[0]))+ mean[1]* TMath::Sqrt((1.+nc[1])) )/ | |
858 | // // ( TMath::Sqrt((1.+nc[0]))+TMath::Sqrt((1.+nc[1]))); | |
859 | ||
860 | // Int_t norm2 = 0; | |
861 | // Int_t norm3 = 0; | |
862 | // for (Int_t i =0;i<4;i++){ | |
863 | // if (nc[i]>2&&nc[i]<1000){ | |
864 | // dedx += mean[i] *nc[i]; | |
865 | // fSdEdx += sigma[i]*(nc[i]-2); | |
866 | // fMAngular += norm[i] *nc[i]; | |
867 | // norm2 += nc[i]; | |
868 | // norm3 += nc[i]-2; | |
869 | // } | |
870 | // fDEDX[i] = mean[i]; | |
871 | // fSDEDX[i] = sigma[i]; | |
872 | // fNCDEDX[i]= nc[i]; | |
873 | // } | |
874 | ||
875 | // if (norm3>0){ | |
876 | // dedx /=norm2; | |
877 | // fSdEdx /=norm3; | |
878 | // fMAngular/=norm2; | |
879 | // } | |
880 | // else{ | |
881 | // SetdEdx(0); | |
882 | // return 0; | |
883 | // } | |
884 | // // Float_t dedx1 =dedx; | |
885 | // /* | |
886 | // dedx =0; | |
887 | // for (Int_t i =0;i<4;i++){ | |
888 | // if (nc[i]>2&&nc[i]<1000){ | |
889 | // mean[i] = mean[i]*(1-0.12*(sigma[i]/(fSdEdx)-1.)); | |
890 | // dedx += mean[i] *nc[i]; | |
891 | // } | |
892 | // fDEDX[i] = mean[i]; | |
893 | // } | |
894 | // dedx /= norm2; | |
895 | // */ | |
896 | ||
897 | ||
898 | // SetdEdx(dedx); | |
899 | // return dedx; | |
900 | } | |
901 | ||
902 | void AliTPCseed::CookPID() | |
903 | { | |
904 | // | |
905 | // cook PID information according dEdx | |
906 | // | |
907 | Double_t fRange = 10.; | |
908 | Double_t fRes = 0.1; | |
909 | Double_t fMIP = 47.; | |
910 | // | |
911 | Int_t ns=AliPID::kSPECIES; | |
912 | Double_t sumr =0; | |
913 | for (Int_t j=0; j<ns; j++) { | |
914 | Double_t mass=AliPID::ParticleMass(j); | |
915 | Double_t mom=GetP(); | |
916 | Double_t dedx=fdEdx/fMIP; | |
917 | Double_t bethe=AliMathBase::BetheBlochAleph(mom/mass); | |
918 | Double_t sigma=fRes*bethe; | |
919 | if (sigma>0.001){ | |
920 | if (TMath::Abs(dedx-bethe) > fRange*sigma) { | |
921 | fTPCr[j]=TMath::Exp(-0.5*fRange*fRange)/sigma; | |
922 | sumr+=fTPCr[j]; | |
923 | continue; | |
924 | } | |
925 | fTPCr[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma; | |
926 | sumr+=fTPCr[j]; | |
927 | } | |
928 | else{ | |
929 | fTPCr[j]=1.; | |
930 | sumr+=fTPCr[j]; | |
931 | } | |
932 | } | |
933 | for (Int_t j=0; j<ns; j++) { | |
934 | fTPCr[j]/=sumr; //normalize | |
935 | } | |
936 | } | |
937 | ||
938 | Double_t AliTPCseed::GetYat(Double_t xk) const { | |
939 | //----------------------------------------------------------------- | |
940 | // This function calculates the Y-coordinate of a track at the plane x=xk. | |
941 | //----------------------------------------------------------------- | |
942 | if (TMath::Abs(GetSnp())>AliTPCReconstructor::GetMaxSnpTrack()) return 0.; //patch 01 jan 06 | |
943 | Double_t c1=GetSnp(), r1=TMath::Sqrt((1.-c1)*(1.+c1)); | |
944 | Double_t c2=c1+GetC()*(xk-GetX()); | |
945 | if (TMath::Abs(c2)>AliTPCReconstructor::GetMaxSnpTrack()) return 0; | |
946 | Double_t r2=TMath::Sqrt((1.-c2)*(1.+c2)); | |
947 | return GetY() + (xk-GetX())*(c1+c2)/(r1+r2); | |
948 | } | |
949 | ||
950 | ||
951 | ||
952 | 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){ | |
953 | ||
954 | // | |
955 | // calculates dedx using the cluster | |
956 | // low - up specify trunc mean range - default form 0-0.7 | |
957 | // type - 1 - max charge or 0- total charge in cluster | |
958 | // //2- max no corr 3- total+ correction | |
959 | // i1-i2 - the pad-row range used for calculation | |
960 | // shapeNorm - kTRUE -taken from OCDB | |
961 | // | |
962 | // posNorm - usage of pos normalization | |
963 | // padNorm - pad type normalization | |
964 | // returnVal - 0 return mean | |
965 | // - 1 return RMS | |
966 | // - 2 return number of clusters | |
967 | // | |
968 | // normalization parametrization taken from AliTPCClusterParam | |
969 | // | |
970 | AliTPCClusterParam * parcl = AliTPCcalibDB::Instance()->GetClusterParam(); | |
971 | AliTPCParam * param = AliTPCcalibDB::Instance()->GetParameters(); | |
972 | if (!parcl) return 0; | |
973 | if (!param) return 0; | |
974 | Int_t row0 = param->GetNRowLow(); | |
975 | Int_t row1 = row0+param->GetNRowUp1(); | |
976 | ||
977 | Float_t amp[160]; | |
978 | Int_t indexes[160]; | |
979 | Int_t ncl=0; | |
980 | // | |
981 | // | |
982 | Float_t gainGG = 1; // gas gain factor -always enabled | |
983 | Float_t gainPad = 1; // gain map - used always | |
984 | Float_t corrShape = 1; // correction due angular effect, diffusion and electron attachment | |
985 | Float_t corrPos = 1; // local position correction - if posNorm enabled | |
986 | Float_t corrPadType = 1; // pad type correction - if padNorm enabled | |
987 | Float_t corrNorm = 1; // normalization factor - set Q to channel 50 | |
988 | // | |
989 | // | |
990 | // | |
991 | if (AliTPCcalibDB::Instance()->GetParameters()){ | |
992 | gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000; //relative gas gain | |
993 | gainGG *= AliTPCcalibDB::Instance()->GetParameters()->GetNtot()/36.82;//correction for the ionisation | |
994 | } | |
995 | ||
996 | const Float_t ktany = TMath::Tan(TMath::DegToRad()*10); | |
997 | const Float_t kedgey =3.; | |
998 | // | |
999 | // | |
1000 | for (Int_t irow=i1; irow<i2; irow++){ | |
1001 | AliTPCclusterMI* cluster = GetClusterPointer(irow); | |
1002 | if (!cluster) continue; | |
1003 | if (TMath::Abs(cluster->GetY())>cluster->GetX()*ktany-kedgey) continue; // edge cluster | |
1004 | Float_t charge= (type%2)? cluster->GetMax():cluster->GetQ(); | |
1005 | Int_t ipad= 0; | |
1006 | if (irow>=row0) ipad=1; | |
1007 | if (irow>=row1) ipad=2; | |
1008 | // | |
1009 | // | |
1010 | // | |
1011 | AliTPCCalPad * gainMap = AliTPCcalibDB::Instance()->GetDedxGainFactor(); | |
1012 | if (gainMap) { | |
1013 | // | |
1014 | // Get gainPad - pad by pad calibration | |
1015 | // | |
1016 | Float_t factor = 1; | |
1017 | AliTPCCalROC * roc = gainMap->GetCalROC(cluster->GetDetector()); | |
1018 | if (irow < row0) { // IROC | |
1019 | factor = roc->GetValue(irow, TMath::Nint(cluster->GetPad())); | |
1020 | } else { // OROC | |
1021 | factor = roc->GetValue(irow - row0, TMath::Nint(cluster->GetPad())); | |
1022 | } | |
1023 | if (factor>0.5) gainPad=factor; | |
1024 | } | |
1025 | // | |
1026 | //do position and angular normalization | |
1027 | // | |
1028 | if (shapeNorm){ | |
1029 | if (type<=1){ | |
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 | Float_t dr = (250.-TMath::Abs(cluster->GetZ()))/250.; | |
1036 | corrShape = parcl->Qnorm(ipad,type,dr,ty,tz); | |
1037 | } | |
1038 | } | |
1039 | ||
1040 | if (posNorm>0){ | |
1041 | // | |
1042 | // Do position normalization - relative distance to | |
1043 | // center of pad- time bin | |
1044 | // Work in progress | |
1045 | // corrPos = parcl->QnormPos(ipad,type, cluster->GetPad(), | |
1046 | // cluster->GetTimeBin(), cluster->GetZ(), | |
1047 | // cluster->GetSigmaY2(),cluster->GetSigmaZ2(), | |
1048 | // cluster->GetMax(),cluster->GetQ()); | |
1049 | // scaled response function | |
1050 | Float_t yres0 = parcl->GetRMS0(0,ipad,0,0)/param->GetPadPitchWidth(cluster->GetDetector()); | |
1051 | Float_t zres0 = parcl->GetRMS0(1,ipad,0,0)/param->GetZWidth(); | |
1052 | // | |
1053 | ||
1054 | AliTPCTrackerPoint * point = GetTrackPoint(irow); | |
1055 | Float_t ty = TMath::Abs(point->GetAngleY()); | |
1056 | Float_t tz = TMath::Abs(point->GetAngleZ()*TMath::Sqrt(1+ty*ty)); | |
1057 | ||
1058 | if (type==1) corrPos = | |
1059 | parcl->QmaxCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
1060 | cluster->GetTimeBin(),ty,tz,yres0,zres0,0.4); | |
1061 | if (type==0) corrPos = | |
1062 | parcl->QtotCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
1063 | cluster->GetTimeBin(),ty,tz,yres0,zres0,cluster->GetQ(),2.5,0.4); | |
1064 | if (posNorm==3){ | |
1065 | Float_t dr = (250.-TMath::Abs(cluster->GetZ()))/250.; | |
1066 | Double_t signtgl = (cluster->GetZ()*point->GetAngleZ()>0)? 1:-1; | |
1067 | Double_t p2 = TMath::Abs(TMath::Sin(TMath::ATan(ty))); | |
1068 | Float_t corrHis = parcl->QnormHis(ipad,type,dr,p2,TMath::Abs(point->GetAngleZ())*signtgl); | |
1069 | if (corrHis>0) corrPos*=corrHis; | |
1070 | } | |
1071 | ||
1072 | } | |
1073 | ||
1074 | if (padNorm==1){ | |
1075 | //taken from OCDB | |
1076 | if (type==0 && parcl->QpadTnorm()) corrPadType = (*parcl->QpadTnorm())[ipad]; | |
1077 | if (type==1 && parcl->QpadMnorm()) corrPadType = (*parcl->QpadMnorm())[ipad]; | |
1078 | ||
1079 | } | |
1080 | if (padNorm==2){ | |
1081 | corrPadType =param->GetPadPitchLength(cluster->GetDetector(),cluster->GetRow()); | |
1082 | //use hardwired - temp fix | |
1083 | if (type==0) corrNorm=3.; | |
1084 | if (type==1) corrNorm=1.; | |
1085 | } | |
1086 | // | |
1087 | // | |
1088 | amp[ncl]=charge; | |
1089 | amp[ncl]/=gainGG; // normalized gas gain | |
1090 | amp[ncl]/=gainPad; // | |
1091 | amp[ncl]/=corrShape; | |
1092 | amp[ncl]/=corrPadType; | |
1093 | amp[ncl]/=corrPos; | |
1094 | amp[ncl]/=corrNorm; | |
1095 | // | |
1096 | ncl++; | |
1097 | } | |
1098 | ||
1099 | if (type>3) return ncl; | |
1100 | TMath::Sort(ncl,amp, indexes, kFALSE); | |
1101 | ||
1102 | if (ncl<10) return 0; | |
1103 | ||
1104 | Float_t suma=0; | |
1105 | Float_t suma2=0; | |
1106 | Float_t sumn=0; | |
1107 | Int_t icl0=TMath::Nint(ncl*low); | |
1108 | Int_t icl1=TMath::Nint(ncl*up); | |
1109 | for (Int_t icl=icl0; icl<icl1;icl++){ | |
1110 | suma+=amp[indexes[icl]]; | |
1111 | suma2+=amp[indexes[icl]]*amp[indexes[icl]]; | |
1112 | sumn++; | |
1113 | } | |
1114 | Float_t mean =suma/sumn; | |
1115 | Float_t rms =TMath::Sqrt(TMath::Abs(suma2/sumn-mean*mean)); | |
1116 | // | |
1117 | // do time-dependent correction for pressure and temperature variations | |
1118 | UInt_t runNumber = 1; | |
1119 | Float_t corrTimeGain = 1; | |
1120 | AliTPCTransform * trans = AliTPCcalibDB::Instance()->GetTransform(); | |
1121 | const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam(); | |
1122 | if (trans && recoParam->GetUseGainCorrectionTime()>0) { | |
1123 | runNumber = trans->GetCurrentRunNumber(); | |
1124 | //AliTPCcalibDB::Instance()->SetRun(runNumber); | |
1125 | TObjArray * timeGainSplines = AliTPCcalibDB::Instance()->GetTimeGainSplinesRun(runNumber); | |
1126 | if (timeGainSplines) { | |
1127 | UInt_t time = trans->GetCurrentTimeStamp(); | |
1128 | AliSplineFit * fitMIP = (AliSplineFit *) timeGainSplines->At(0); | |
1129 | AliSplineFit * fitFPcosmic = (AliSplineFit *) timeGainSplines->At(1); | |
1130 | if (fitMIP) { | |
1131 | corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitMIP, time);/*fitMIP->Eval(time);*/ | |
1132 | } else { | |
1133 | if (fitFPcosmic) corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitFPcosmic, time);/*fitFPcosmic->Eval(time);*/ | |
1134 | } | |
1135 | } | |
1136 | } | |
1137 | mean /= corrTimeGain; | |
1138 | rms /= corrTimeGain; | |
1139 | // | |
1140 | if (returnVal==1) return rms; | |
1141 | if (returnVal==2) return ncl; | |
1142 | return mean; | |
1143 | } | |
1144 | ||
1145 | 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){ | |
1146 | ||
1147 | // | |
1148 | // calculates dedx using the cluster | |
1149 | // low - up specify trunc mean range - default form 0-0.7 | |
1150 | // type - 1 - max charge or 0- total charge in cluster | |
1151 | // //2- max no corr 3- total+ correction | |
1152 | // i1-i2 - the pad-row range used for calculation | |
1153 | // | |
1154 | // posNorm - usage of pos normalization | |
1155 | // returnVal - 0 return mean | |
1156 | // - 1 return RMS | |
1157 | // - 2 return number of clusters | |
1158 | // - 3 ratio | |
1159 | // - 4 mean upper half | |
1160 | // - 5 mean - lower half | |
1161 | // - 6 third moment | |
1162 | // mode - 0 - linear | |
1163 | // - 1 - logatithmic | |
1164 | // rowThres - number of rows before and after given pad row to check for clusters below threshold | |
1165 | // | |
1166 | // normalization parametrization taken from AliTPCClusterParam | |
1167 | // | |
1168 | if (returnVec) returnVec->ResizeTo(10); | |
1169 | ||
1170 | AliTPCClusterParam * parcl = AliTPCcalibDB::Instance()->GetClusterParam(); | |
1171 | AliTPCParam * param = AliTPCcalibDB::Instance()->GetParameters(); | |
1172 | AliTPCTransform * trans = AliTPCcalibDB::Instance()->GetTransform(); | |
1173 | const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam(); | |
1174 | if (!parcl) return 0; | |
1175 | if (!param) return 0; | |
1176 | Int_t row0 = param->GetNRowLow(); | |
1177 | Int_t row1 = row0+param->GetNRowUp1(); | |
1178 | ||
1179 | Float_t amp[160]; | |
1180 | Int_t indexes[160]; | |
1181 | Int_t ncl=0; | |
1182 | Int_t nclBelowThr = 0; // counts number of clusters below threshold | |
1183 | // | |
1184 | // | |
1185 | Float_t gainGG = 1; // gas gain factor -always enabled | |
1186 | Float_t gainPad = 1; // gain map - used always | |
1187 | Float_t corrPos = 1; // local position correction - if posNorm enabled | |
1188 | // | |
1189 | // | |
1190 | // | |
1191 | if (AliTPCcalibDB::Instance()->GetParameters()){ | |
1192 | gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000; //relative gas gain | |
1193 | gainGG *= AliTPCcalibDB::Instance()->GetParameters()->GetNtot()/36.82;//correction for the ionisation | |
1194 | } | |
1195 | Double_t timeCut=0; | |
1196 | if (AliTPCcalibDB::Instance()->IsTrgL0()){ | |
1197 | // by defualt we assume L1 trigger is used - make a correction in case of L0 | |
1198 | AliCTPTimeParams* ctp = AliTPCcalibDB::Instance()->GetCTPTimeParams(); | |
1199 | Double_t delay = ctp->GetDelayL1L0()*0.000000025; | |
1200 | delay/=param->GetTSample(); | |
1201 | timeCut=delay; | |
1202 | } | |
1203 | timeCut += recoParam->GetSkipTimeBins(); | |
1204 | ||
1205 | // | |
1206 | // extract time-dependent correction for pressure and temperature variations | |
1207 | // | |
1208 | UInt_t runNumber = 1; | |
1209 | Float_t corrTimeGain = 1; | |
1210 | TObjArray * timeGainSplines = 0x0; | |
1211 | TGraphErrors * grPadEqual = 0x0; | |
1212 | TGraphErrors* grChamberGain[3]={0x0,0x0,0x0}; | |
1213 | TGraphErrors* grDipAngle[3]={0x0,0x0,0x0}; | |
1214 | TGraphErrors* funDipAngle[3]={0x0,0x0,0x0}; | |
1215 | // | |
1216 | // | |
1217 | if (recoParam->GetNeighborRowsDedx() == 0) rowThres = 0; | |
1218 | UInt_t time = 1;// | |
1219 | // | |
1220 | if (trans) { | |
1221 | runNumber = trans->GetCurrentRunNumber(); | |
1222 | time = trans->GetCurrentTimeStamp(); | |
1223 | //AliTPCcalibDB::Instance()->SetRun(runNumber); | |
1224 | timeGainSplines = AliTPCcalibDB::Instance()->GetTimeGainSplinesRun(runNumber); | |
1225 | if (timeGainSplines && recoParam->GetUseGainCorrectionTime()>0) { | |
1226 | AliSplineFit * fitMIP = (AliSplineFit *) timeGainSplines->At(0); | |
1227 | AliSplineFit * fitFPcosmic = (AliSplineFit *) timeGainSplines->At(1); | |
1228 | if (fitMIP) { | |
1229 | corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitMIP, time); /*fitMIP->Eval(time);*/ | |
1230 | } else { | |
1231 | if (fitFPcosmic) corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitFPcosmic, time); /*fitFPcosmic->Eval(time); */ | |
1232 | } | |
1233 | // | |
1234 | if (type==1) grPadEqual = (TGraphErrors * ) timeGainSplines->FindObject("TGRAPHERRORS_MEANQMAX_PADREGIONGAIN_BEAM_ALL"); | |
1235 | if (type==0) grPadEqual = (TGraphErrors * ) timeGainSplines->FindObject("TGRAPHERRORS_MEANQTOT_PADREGIONGAIN_BEAM_ALL"); | |
1236 | const char* names[3]={"SHORT","MEDIUM","LONG"}; | |
1237 | for (Int_t iPadRegion=0; iPadRegion<3; ++iPadRegion) { | |
1238 | grChamberGain[iPadRegion]=(TGraphErrors*)timeGainSplines->FindObject(Form("TGRAPHERRORS_MEAN_CHAMBERGAIN_%s_BEAM_ALL",names[iPadRegion])); | |
1239 | if (type==1) grDipAngle[iPadRegion]=(TGraphErrors*)timeGainSplines->FindObject(Form("TGRAPHERRORS_QMAX_DIPANGLE_%s_BEAM_ALL",names[iPadRegion])); | |
1240 | if (type==0) grDipAngle[iPadRegion]=(TGraphErrors*)timeGainSplines->FindObject(Form("TGRAPHERRORS_QTOT_DIPANGLE_%s_BEAM_ALL",names[iPadRegion])); | |
1241 | if (type==1) funDipAngle[iPadRegion]=(TGraphErrors*)timeGainSplines->FindObject(Form("TF1_QMAX_DIPANGLE_%s_BEAM_ALL",names[iPadRegion])); | |
1242 | if (type==0) funDipAngle[iPadRegion]=(TGraphErrors*)timeGainSplines->FindObject(Form("TF1_QTOT_DIPANGLE_%s_BEAM_ALL",names[iPadRegion])); | |
1243 | } | |
1244 | } | |
1245 | } | |
1246 | ||
1247 | const Float_t kClusterShapeCut = 1.5; // IMPPRTANT TO DO: move value to AliTPCRecoParam | |
1248 | const Float_t ktany = TMath::Tan(TMath::DegToRad()*10); | |
1249 | const Float_t kedgey =3.; | |
1250 | // | |
1251 | // | |
1252 | for (Int_t irow=i1; irow<i2; irow++){ | |
1253 | AliTPCclusterMI* cluster = GetClusterPointer(irow); | |
1254 | if (!cluster && irow > 1 && irow < 157) { | |
1255 | Bool_t isClBefore = kFALSE; | |
1256 | Bool_t isClAfter = kFALSE; | |
1257 | for(Int_t ithres = 1; ithres <= rowThres; ithres++) { | |
1258 | AliTPCclusterMI * clusterBefore = GetClusterPointer(irow - ithres); | |
1259 | if (clusterBefore) isClBefore = kTRUE; | |
1260 | AliTPCclusterMI * clusterAfter = GetClusterPointer(irow + ithres); | |
1261 | if (clusterAfter) isClAfter = kTRUE; | |
1262 | } | |
1263 | if (isClBefore && isClAfter) nclBelowThr++; | |
1264 | } | |
1265 | if (!cluster) continue; | |
1266 | if (cluster->GetTimeBin()<timeCut) continue; //reject clusters at the gating grid opening | |
1267 | // | |
1268 | // | |
1269 | if (TMath::Abs(cluster->GetY())>cluster->GetX()*ktany-kedgey) continue; // edge cluster | |
1270 | // | |
1271 | AliTPCTrackerPoint * point = GetTrackPoint(irow); | |
1272 | if (point==0) continue; | |
1273 | Float_t rsigmay = TMath::Sqrt(point->GetSigmaY()); | |
1274 | if (rsigmay > kClusterShapeCut) continue; | |
1275 | // | |
1276 | if (cluster->IsUsed(11)) continue; // remove shared clusters for PbPb | |
1277 | // | |
1278 | Float_t charge= (type%2)? cluster->GetMax():cluster->GetQ(); | |
1279 | Int_t ipad= 0; | |
1280 | if (irow>=row0) ipad=1; | |
1281 | if (irow>=row1) ipad=2; | |
1282 | // | |
1283 | // | |
1284 | // | |
1285 | AliTPCCalPad * gainMap = AliTPCcalibDB::Instance()->GetDedxGainFactor(); | |
1286 | if (gainMap) { | |
1287 | // | |
1288 | // Get gainPad - pad by pad calibration | |
1289 | // | |
1290 | Float_t factor = 1; | |
1291 | AliTPCCalROC * roc = gainMap->GetCalROC(cluster->GetDetector()); | |
1292 | if (irow < row0) { // IROC | |
1293 | factor = roc->GetValue(irow, TMath::Nint(cluster->GetPad())); | |
1294 | } else { // OROC | |
1295 | factor = roc->GetValue(irow - row0, TMath::Nint(cluster->GetPad())); | |
1296 | } | |
1297 | if (factor>0.3) gainPad=factor; | |
1298 | } | |
1299 | // | |
1300 | // Do position normalization - relative distance to | |
1301 | // center of pad- time bin | |
1302 | ||
1303 | Float_t ty = TMath::Abs(point->GetAngleY()); | |
1304 | Float_t tz = TMath::Abs(point->GetAngleZ()*TMath::Sqrt(1+ty*ty)); | |
1305 | Float_t yres0 = parcl->GetRMS0(0,ipad,0,0)/param->GetPadPitchWidth(cluster->GetDetector()); | |
1306 | Float_t zres0 = parcl->GetRMS0(1,ipad,0,0)/param->GetZWidth(); | |
1307 | ||
1308 | yres0 *=parcl->GetQnormCorr(ipad, type,0); | |
1309 | zres0 *=parcl->GetQnormCorr(ipad, type,1); | |
1310 | Float_t effLength=parcl->GetQnormCorr(ipad, type,4)*0.5; | |
1311 | Float_t effDiff =(parcl->GetQnormCorr(ipad, type,2)+parcl->GetQnormCorr(ipad, type,3))*0.5; | |
1312 | // | |
1313 | if (type==1) { | |
1314 | corrPos = parcl->GetQnormCorr(ipad, type,5)* | |
1315 | parcl->QmaxCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
1316 | cluster->GetTimeBin(),ty,tz,yres0,zres0,effLength,effDiff); | |
1317 | Float_t drm = 0.5-TMath::Abs(cluster->GetZ()/250.); | |
1318 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,0)*drm); | |
1319 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,1)*ty*ty); | |
1320 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,2)*tz*tz); | |
1321 | // | |
1322 | } | |
1323 | if (type==0) { | |
1324 | corrPos = parcl->GetQnormCorr(ipad, type,5)* | |
1325 | parcl->QtotCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
1326 | cluster->GetTimeBin(),ty,tz,yres0,zres0,cluster->GetQ(),2.5,effLength,effDiff); | |
1327 | ||
1328 | Float_t drm = 0.5-TMath::Abs(cluster->GetZ()/250.); | |
1329 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,0)*drm); | |
1330 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,1)*ty*ty); | |
1331 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,2)*tz*tz); | |
1332 | // | |
1333 | } | |
1334 | // | |
1335 | // pad region equalization outside of cluster param | |
1336 | // | |
1337 | Float_t gainEqualPadRegion = 1; | |
1338 | if (grPadEqual && recoParam->GetUseGainCorrectionTime()>0) gainEqualPadRegion = grPadEqual->Eval(ipad); | |
1339 | // | |
1340 | // chamber-by-chamber equalization outside gain map | |
1341 | // | |
1342 | Float_t gainChamber = 1; | |
1343 | if (grChamberGain[ipad] && recoParam->GetUseGainCorrectionTime()>0) { | |
1344 | gainChamber = grChamberGain[ipad]->Eval(cluster->GetDetector()); | |
1345 | if (gainChamber==0) gainChamber=1; // in case old calibation was used before use no correction | |
1346 | } | |
1347 | // | |
1348 | // dip angle correction | |
1349 | // | |
1350 | Float_t corrDipAngle = 1; | |
1351 | // if (grDipAngle[ipad]) corrDipAngle = grDipAngle[ipad]->Eval(GetTgl()); | |
1352 | if (funDipAngle[ipad]) corrDipAngle = funDipAngle[ipad]->Eval(GetTgl()); | |
1353 | // | |
1354 | // pressure temperature and high voltage correction | |
1355 | // | |
1356 | Double_t correctionHVandPT = AliTPCcalibDB::Instance()->GetGainCorrectionHVandPT(time, runNumber,cluster->GetDetector(), 5 , recoParam->GetGainCorrectionHVandPTMode()); | |
1357 | // | |
1358 | amp[ncl]=charge; | |
1359 | amp[ncl]/=gainGG; // nominal gas gain | |
1360 | amp[ncl]/=correctionHVandPT; // correction for the HV and P/T - time dependent | |
1361 | amp[ncl]/=gainPad; // | |
1362 | amp[ncl]/=corrPos; | |
1363 | amp[ncl]/=gainEqualPadRegion; | |
1364 | amp[ncl]/=gainChamber; | |
1365 | amp[ncl]/=corrDipAngle; | |
1366 | // | |
1367 | ncl++; | |
1368 | } | |
1369 | ||
1370 | if (type==2) return ncl; | |
1371 | TMath::Sort(ncl,amp, indexes, kFALSE); | |
1372 | // | |
1373 | if (ncl<10) return 0; | |
1374 | // | |
1375 | Double_t * ampWithBelow = new Double_t[ncl + nclBelowThr]; | |
1376 | for(Int_t iCl = 0; iCl < ncl + nclBelowThr; iCl++) { | |
1377 | if (iCl < nclBelowThr) { | |
1378 | ampWithBelow[iCl] = amp[indexes[0]]; | |
1379 | } else { | |
1380 | ampWithBelow[iCl] = amp[indexes[iCl - nclBelowThr]]; | |
1381 | } | |
1382 | } | |
1383 | //printf("DEBUG: %i shit %f", nclBelowThr, amp[indexes[0]]); | |
1384 | // | |
1385 | Float_t suma=0; | |
1386 | Float_t suma2=0; | |
1387 | Float_t suma3=0; | |
1388 | Float_t sumaS=0; | |
1389 | Float_t sumn=0; | |
1390 | // upper,and lower part statistic | |
1391 | Float_t sumL=0, sumL2=0, sumLN=0; | |
1392 | Float_t sumD=0, sumD2=0, sumDN=0; | |
1393 | ||
1394 | Int_t icl0=TMath::Nint((ncl + nclBelowThr)*low); | |
1395 | Int_t icl1=TMath::Nint((ncl + nclBelowThr)*up); | |
1396 | Int_t iclm=TMath::Nint((ncl + nclBelowThr)*(low +(up+low)*0.5)); | |
1397 | // | |
1398 | for (Int_t icl=icl0; icl<icl1;icl++){ | |
1399 | if (ampWithBelow[icl]<0.1) continue; | |
1400 | Double_t camp=ampWithBelow[icl]/corrTimeGain; | |
1401 | if (mode==1) camp= TMath::Log(camp); | |
1402 | if (icl<icl1){ | |
1403 | suma+=camp; | |
1404 | suma2+=camp*camp; | |
1405 | suma3+=camp*camp*camp; | |
1406 | sumaS+=TMath::Power(TMath::Abs(camp),1./3.); | |
1407 | sumn++; | |
1408 | } | |
1409 | if (icl>iclm){ | |
1410 | sumL+=camp; | |
1411 | sumL2+=camp*camp; | |
1412 | sumLN++; | |
1413 | } | |
1414 | if (icl<=iclm){ | |
1415 | sumD+=camp; | |
1416 | sumD2+=camp*camp; | |
1417 | sumDN++; | |
1418 | } | |
1419 | } | |
1420 | // | |
1421 | Float_t mean = 0; | |
1422 | Float_t meanL = 0; | |
1423 | Float_t meanD = 0; // lower half mean | |
1424 | if (sumn > 1e-30) mean =suma/sumn; | |
1425 | if (sumLN > 1e-30) meanL =sumL/sumLN; | |
1426 | if (sumDN > 1e-30) meanD =(sumD/sumDN); | |
1427 | /* | |
1428 | Float_t mean =suma/sumn; | |
1429 | Float_t meanL = sumL/sumLN; | |
1430 | Float_t meanD =(sumD/sumDN); // lower half mean | |
1431 | */ | |
1432 | ||
1433 | Float_t rms = 0; | |
1434 | Float_t mean2=0; | |
1435 | Float_t mean3=0; | |
1436 | Float_t meanS=0; | |
1437 | ||
1438 | if(sumn>0){ | |
1439 | rms = TMath::Sqrt(TMath::Abs(suma2/sumn-mean*mean)); | |
1440 | mean2=suma2/sumn; | |
1441 | mean3=suma3/sumn; | |
1442 | meanS=sumaS/sumn; | |
1443 | } | |
1444 | ||
1445 | if (mean2>0) mean2=TMath::Power(TMath::Abs(mean2),1./2.); | |
1446 | if (mean3>0) mean3=TMath::Power(TMath::Abs(mean3),1./3.); | |
1447 | if (meanS>0) meanS=TMath::Power(TMath::Abs(meanS),3.); | |
1448 | // | |
1449 | if (mode==1) mean=TMath::Exp(mean); | |
1450 | if (mode==1) meanL=TMath::Exp(meanL); // upper truncation | |
1451 | if (mode==1) meanD=TMath::Exp(meanD); // lower truncation | |
1452 | // | |
1453 | delete [] ampWithBelow; //return? | |
1454 | ||
1455 | ||
1456 | // | |
1457 | if(returnVec){ | |
1458 | (*returnVec)(0) = mean; | |
1459 | (*returnVec)(1) = rms; | |
1460 | (*returnVec)(2) = ncl; | |
1461 | (*returnVec)(3) = Double_t(nclBelowThr)/Double_t(nclBelowThr+ncl); | |
1462 | (*returnVec)(4) = meanL; | |
1463 | (*returnVec)(5) = meanD; | |
1464 | (*returnVec)(6) = mean2; | |
1465 | (*returnVec)(7) = mean3; | |
1466 | (*returnVec)(8) = meanS; | |
1467 | (*returnVec)(9) = nclBelowThr; | |
1468 | } | |
1469 | ||
1470 | if (returnVal==1) return rms; | |
1471 | if (returnVal==2) return ncl; | |
1472 | if (returnVal==3) return Double_t(nclBelowThr)/Double_t(nclBelowThr+ncl); | |
1473 | if (returnVal==4) return meanL; | |
1474 | if (returnVal==5) return meanD; | |
1475 | if (returnVal==6) return mean2; | |
1476 | if (returnVal==7) return mean3; | |
1477 | if (returnVal==8) return meanS; | |
1478 | if (returnVal==9) return nclBelowThr; | |
1479 | return mean; | |
1480 | } | |
1481 | ||
1482 | ||
1483 | ||
1484 | ||
1485 | Float_t AliTPCseed::CookShape(Int_t type){ | |
1486 | // | |
1487 | // | |
1488 | // | |
1489 | //----------------------------------------------------------------- | |
1490 | // This funtion calculates dE/dX within the "low" and "up" cuts. | |
1491 | //----------------------------------------------------------------- | |
1492 | Float_t means=0; | |
1493 | Float_t meanc=0; | |
1494 | for (Int_t i =0; i<160;i++) { | |
1495 | AliTPCTrackerPoint * point = GetTrackPoint(i); | |
1496 | if (point==0) continue; | |
1497 | ||
1498 | AliTPCclusterMI * cl = fClusterPointer[i]; | |
1499 | if (cl==0) continue; | |
1500 | ||
1501 | Float_t rsigmay = TMath::Sqrt(point->GetSigmaY()); | |
1502 | Float_t rsigmaz = TMath::Sqrt(point->GetSigmaZ()); | |
1503 | Float_t rsigma = (rsigmay+rsigmaz)*0.5; | |
1504 | if (type==0) means+=rsigma; | |
1505 | if (type==1) means+=rsigmay; | |
1506 | if (type==2) means+=rsigmaz; | |
1507 | meanc++; | |
1508 | } | |
1509 | Float_t mean = (meanc>0)? means/meanc:0; | |
1510 | return mean; | |
1511 | } | |
1512 | ||
1513 | ||
1514 | ||
1515 | Int_t AliTPCseed::RefitTrack(AliTPCseed *seed, AliExternalTrackParam * parin, AliExternalTrackParam * parout){ | |
1516 | // | |
1517 | // Refit the track | |
1518 | // return value - number of used clusters | |
1519 | // | |
1520 | // | |
1521 | const Int_t kMinNcl =10; | |
1522 | AliTPCseed *track=new AliTPCseed(*seed); | |
1523 | Int_t sector=-1; | |
1524 | // reset covariance | |
1525 | // | |
1526 | Double_t covar[15]; | |
1527 | for (Int_t i=0;i<15;i++) covar[i]=0; | |
1528 | covar[0]=10.*10.; | |
1529 | covar[2]=10.*10.; | |
1530 | covar[5]=10.*10./(64.*64.); | |
1531 | covar[9]=10.*10./(64.*64.); | |
1532 | covar[14]=1*1; | |
1533 | // | |
1534 | ||
1535 | Float_t xmin=1000, xmax=-10000; | |
1536 | Int_t imin=158, imax=0; | |
1537 | for (Int_t i=0;i<160;i++) { | |
1538 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1539 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; | |
1540 | if (sector<0) sector = c->GetDetector(); | |
1541 | if (c->GetX()<xmin) xmin=c->GetX(); | |
1542 | if (c->GetX()>xmax) xmax=c->GetX(); | |
1543 | if (i<imin) imin=i; | |
1544 | if (i>imax) imax=i; | |
1545 | } | |
1546 | if(imax-imin<kMinNcl) { | |
1547 | delete track; | |
1548 | return 0 ; | |
1549 | } | |
1550 | // Not succes to rotate | |
1551 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1552 | delete track; | |
1553 | return 0; | |
1554 | } | |
1555 | // | |
1556 | // | |
1557 | // fit from inner to outer row | |
1558 | // | |
1559 | AliExternalTrackParam paramIn; | |
1560 | AliExternalTrackParam paramOut; | |
1561 | Bool_t isOK=kTRUE; | |
1562 | Int_t ncl=0; | |
1563 | // | |
1564 | // | |
1565 | // | |
1566 | for (Int_t i=imin; i<=imax; i++){ | |
1567 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1568 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; | |
1569 | // if (RejectCluster(c,track)) continue; | |
1570 | sector = (c->GetDetector()%18); | |
1571 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1572 | //continue; | |
1573 | } | |
1574 | Double_t r[3]={c->GetX(),c->GetY(),c->GetZ()}; | |
1575 | Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation | |
1576 | if (!track->PropagateTo(r[0])) { | |
1577 | isOK=kFALSE; | |
1578 | } | |
1579 | if ( !((static_cast<AliExternalTrackParam*>(track)->Update(&r[1],cov)))) isOK=kFALSE; | |
1580 | } | |
1581 | if (!isOK) { delete track; return 0;} | |
1582 | track->AddCovariance(covar); | |
1583 | // | |
1584 | // | |
1585 | // | |
1586 | for (Int_t i=imax; i>=imin; i--){ | |
1587 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1588 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; | |
1589 | //if (RejectCluster(c,track)) continue; | |
1590 | sector = (c->GetDetector()%18); | |
1591 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1592 | //continue; | |
1593 | } | |
1594 | Double_t r[3]={c->GetX(),c->GetY(),c->GetZ()}; | |
1595 | Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation | |
1596 | if (!track->PropagateTo(r[0])) { | |
1597 | isOK=kFALSE; | |
1598 | } | |
1599 | if ( !((static_cast<AliExternalTrackParam*>(track)->Update(&r[1],cov)))) isOK=kFALSE; | |
1600 | } | |
1601 | //if (!isOK) { delete track; return 0;} | |
1602 | paramIn = *track; | |
1603 | track->AddCovariance(covar); | |
1604 | // | |
1605 | // | |
1606 | for (Int_t i=imin; i<=imax; i++){ | |
1607 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1608 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; | |
1609 | sector = (c->GetDetector()%18); | |
1610 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1611 | //continue; | |
1612 | } | |
1613 | ncl++; | |
1614 | //if (RejectCluster(c,track)) continue; | |
1615 | Double_t r[3]={c->GetX(),c->GetY(),c->GetZ()}; | |
1616 | Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation | |
1617 | if (!track->PropagateTo(r[0])) { | |
1618 | isOK=kFALSE; | |
1619 | } | |
1620 | if ( !((static_cast<AliExternalTrackParam*>(track)->Update(&r[1],cov)))) isOK=kFALSE; | |
1621 | } | |
1622 | //if (!isOK) { delete track; return 0;} | |
1623 | paramOut=*track; | |
1624 | // | |
1625 | // | |
1626 | // | |
1627 | if (parin) (*parin)=paramIn; | |
1628 | if (parout) (*parout)=paramOut; | |
1629 | delete track; | |
1630 | return ncl; | |
1631 | } | |
1632 | ||
1633 | ||
1634 | ||
1635 | Bool_t AliTPCseed::RefitTrack(AliTPCseed* /*seed*/, Bool_t /*out*/){ | |
1636 | // | |
1637 | // | |
1638 | // | |
1639 | return kFALSE; | |
1640 | } | |
1641 | ||
1642 | ||
1643 | ||
1644 | ||
1645 | ||
1646 | ||
1647 | void AliTPCseed::GetError(AliTPCclusterMI* cluster, AliExternalTrackParam * param, | |
1648 | Double_t& erry, Double_t &errz) | |
1649 | { | |
1650 | // | |
1651 | // Get cluster error at given position | |
1652 | // | |
1653 | AliTPCClusterParam *clusterParam = AliTPCcalibDB::Instance()->GetClusterParam(); | |
1654 | Double_t tany,tanz; | |
1655 | Double_t snp1=param->GetSnp(); | |
1656 | tany=snp1/TMath::Sqrt((1.-snp1)*(1.+snp1)); | |
1657 | // | |
1658 | Double_t tgl1=param->GetTgl(); | |
1659 | tanz=tgl1/TMath::Sqrt((1.-snp1)*(1.+snp1)); | |
1660 | // | |
1661 | Int_t padSize = 0; // short pads | |
1662 | if (cluster->GetDetector() >= 36) { | |
1663 | padSize = 1; // medium pads | |
1664 | if (cluster->GetRow() > 63) padSize = 2; // long pads | |
1665 | } | |
1666 | ||
1667 | erry = clusterParam->GetError0Par( 0, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tany) ); | |
1668 | errz = clusterParam->GetError0Par( 1, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tanz) ); | |
1669 | } | |
1670 | ||
1671 | ||
1672 | void AliTPCseed::GetShape(AliTPCclusterMI* cluster, AliExternalTrackParam * param, | |
1673 | Double_t& rmsy, Double_t &rmsz) | |
1674 | { | |
1675 | // | |
1676 | // Get cluster error at given position | |
1677 | // | |
1678 | AliTPCClusterParam *clusterParam = AliTPCcalibDB::Instance()->GetClusterParam(); | |
1679 | Double_t tany,tanz; | |
1680 | Double_t snp1=param->GetSnp(); | |
1681 | tany=snp1/TMath::Sqrt((1.-snp1)*(1.+snp1)); | |
1682 | // | |
1683 | Double_t tgl1=param->GetTgl(); | |
1684 | tanz=tgl1/TMath::Sqrt((1.-snp1)*(1.+snp1)); | |
1685 | // | |
1686 | Int_t padSize = 0; // short pads | |
1687 | if (cluster->GetDetector() >= 36) { | |
1688 | padSize = 1; // medium pads | |
1689 | if (cluster->GetRow() > 63) padSize = 2; // long pads | |
1690 | } | |
1691 | ||
1692 | rmsy = clusterParam->GetRMSQ( 0, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tany), TMath::Abs(cluster->GetMax()) ); | |
1693 | rmsz = clusterParam->GetRMSQ( 1, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tanz) ,TMath::Abs(cluster->GetMax())); | |
1694 | } | |
1695 | ||
1696 | ||
1697 | ||
1698 | Double_t AliTPCseed::GetQCorrGeom(Float_t ty, Float_t tz){ | |
1699 | //Geoetrical | |
1700 | //ty - tangent in local y direction | |
1701 | //tz - tangent | |
1702 | // | |
1703 | Float_t norm=TMath::Sqrt(1+ty*ty+tz*tz); | |
1704 | return norm; | |
1705 | } | |
1706 | ||
1707 | 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*/){ | |
1708 | // | |
1709 | // Q normalization | |
1710 | // | |
1711 | // return value = Q Normalization factor | |
1712 | // Normalization - 1 - shape factor part for full drift | |
1713 | // 1 - electron attachment for 0 drift | |
1714 | ||
1715 | // Input parameters: | |
1716 | // | |
1717 | // ipad - 0 short pad | |
1718 | // 1 medium pad | |
1719 | // 2 long pad | |
1720 | // | |
1721 | // type - 0 qmax | |
1722 | // - 1 qtot | |
1723 | // | |
1724 | //z - z position (-250,250 cm) | |
1725 | //ty - tangent in local y direction | |
1726 | //tz - tangent | |
1727 | // | |
1728 | ||
1729 | AliTPCClusterParam * paramCl = AliTPCcalibDB::Instance()->GetClusterParam(); | |
1730 | AliTPCParam * paramTPC = AliTPCcalibDB::Instance()->GetParameters(); | |
1731 | ||
1732 | if (!paramCl) return 1; | |
1733 | // | |
1734 | Double_t dr = 250.-TMath::Abs(z); | |
1735 | Double_t sy = paramCl->GetRMS0( 0,ipad, dr, TMath::Abs(ty)); | |
1736 | Double_t sy0= paramCl->GetRMS0(0,ipad, 250, 0); | |
1737 | Double_t sz = paramCl->GetRMS0( 1,ipad, dr, TMath::Abs(tz)); | |
1738 | Double_t sz0= paramCl->GetRMS0(1,ipad, 250, 0); | |
1739 | ||
1740 | Double_t sfactorMax = TMath::Sqrt(sy0*sz0/(sy*sz)); | |
1741 | ||
1742 | ||
1743 | Double_t dt = 1000000*(dr/paramTPC->GetDriftV()); //time in microsecond | |
1744 | Double_t attProb = TMath::Exp(-paramTPC->GetAttCoef()*paramTPC->GetOxyCont()*dt); | |
1745 | // | |
1746 | // | |
1747 | if (type==0) return sfactorMax*attProb; | |
1748 | ||
1749 | return attProb; | |
1750 | ||
1751 | ||
1752 | } | |
1753 | ||
1754 | ||
1755 | /* | |
1756 | //_______________________________________________________________________ | |
1757 | Float_t AliTPCseed::GetTPCClustInfo(Int_t nNeighbours, Int_t type, Int_t row0, Int_t row1, TVectorT<float> *returnVec) | |
1758 | { | |
1759 | // | |
1760 | // TPC cluster information | |
1761 | // type 0: get fraction of found/findable clusters with neighbourhood definition | |
1762 | // 1: found clusters | |
1763 | // 2: findable (number of clusters above and below threshold) | |
1764 | // | |
1765 | // definition of findable clusters: | |
1766 | // a cluster is defined as findable if there is another cluster | |
1767 | // within +- nNeighbours pad rows. The idea is to overcome threshold | |
1768 | // effects with a very simple algorithm. | |
1769 | // | |
1770 | ||
1771 | const Float_t kClusterShapeCut = 1.5; // IMPPRTANT TO DO: move value to AliTPCRecoParam | |
1772 | const Float_t ktany = TMath::Tan(TMath::DegToRad()*10); | |
1773 | const Float_t kedgey =3.; | |
1774 | ||
1775 | Float_t ncl = 0; | |
1776 | Float_t nclBelowThr = 0; // counts number of clusters below threshold | |
1777 | ||
1778 | for (Int_t irow=row0; irow<row1; irow++){ | |
1779 | AliTPCclusterMI* cluster = GetClusterPointer(irow); | |
1780 | ||
1781 | if (!cluster && irow > 1 && irow < 157) { | |
1782 | Bool_t isClBefore = kFALSE; | |
1783 | Bool_t isClAfter = kFALSE; | |
1784 | for(Int_t ithres = 1; ithres <= nNeighbours; ithres++) { | |
1785 | AliTPCclusterMI * clusterBefore = GetClusterPointer(irow - ithres); | |
1786 | if (clusterBefore) isClBefore = kTRUE; | |
1787 | AliTPCclusterMI * clusterAfter = GetClusterPointer(irow + ithres); | |
1788 | if (clusterAfter) isClAfter = kTRUE; | |
1789 | } | |
1790 | if (isClBefore && isClAfter) nclBelowThr++; | |
1791 | } | |
1792 | if (!cluster) continue; | |
1793 | // | |
1794 | // | |
1795 | if (TMath::Abs(cluster->GetY())>cluster->GetX()*ktany-kedgey) continue; // edge cluster | |
1796 | // | |
1797 | AliTPCTrackerPoint * point = GetTrackPoint(irow); | |
1798 | if (point==0) continue; | |
1799 | Float_t rsigmay = TMath::Sqrt(point->GetSigmaY()); | |
1800 | if (rsigmay > kClusterShapeCut) continue; | |
1801 | // | |
1802 | if (cluster->IsUsed(11)) continue; // remove shared clusters for PbPb | |
1803 | ncl++; | |
1804 | } | |
1805 | if(returnVec->GetNoElements != 3){ | |
1806 | returnVec->ResizeTo(3); | |
1807 | } | |
1808 | Float_t nclAll = nclBelowThr+ncl; | |
1809 | returnVec(0) = nclAll>0?ncl/nclAll:0; | |
1810 | returnVec(1) = ncl; | |
1811 | returnVec(2) = nclAll; | |
1812 | ||
1813 | if(ncl<10) | |
1814 | return 0; | |
1815 | if(type==0) | |
1816 | if(nclAll>0) | |
1817 | return ncl/nclAll; | |
1818 | if(type==1) | |
1819 | return ncl; | |
1820 | if(type==2) | |
1821 | return nclAll; | |
1822 | return 0; | |
1823 | } | |
1824 | */ | |
1825 | //_______________________________________________________________________ | |
1826 | Int_t AliTPCseed::GetNumberOfClustersIndices() { | |
1827 | Int_t ncls = 0; | |
1828 | for (int i=0; i < 160; i++) { | |
1829 | if ((fIndex[i] & 0x8000) == 0) | |
1830 | ncls++; | |
1831 | } | |
1832 | return ncls; | |
1833 | } | |
1834 | ||
1835 | //_______________________________________________________________________ | |
1836 | void AliTPCseed::Clear(Option_t*) | |
1837 | { | |
1838 | // formally seed may allocate memory for clusters (althought this should not happen for | |
1839 | // the seeds in the pool). Hence we need this method for fwd. compatibility | |
1840 | if (fClusterOwner) for (int i=160;i--;) {delete fClusterPointer[i]; fClusterPointer[i] = 0;} | |
1841 | } | |
1842 | ||
1843 | TObject* AliTPCseed::Clone(const char* /*newname*/) const | |
1844 | { | |
1845 | // temporary override TObject::Clone to avoid crashes in reco | |
1846 | AliTPCseed* src = (AliTPCseed*)this; | |
1847 | AliTPCseed* dst = new AliTPCseed(*src,fClusterOwner); | |
1848 | return dst; | |
1849 | } |