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81e97e0d | 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 | //----------------------------------------------------------------- | |
28273e26 | 20 | // |
81e97e0d | 21 | // Implementation of the TPC seed class |
829455ad | 22 | // This class is used by the AliTPCtracker class |
81e97e0d | 23 | // Origin: Marian Ivanov, CERN, Marian.Ivanov@cern.ch |
24 | //----------------------------------------------------------------- | |
19e8ad6c | 25 | #include <TVectorF.h> |
81e97e0d | 26 | #include "TClonesArray.h" |
2efc897f | 27 | #include "TGraphErrors.h" |
81e97e0d | 28 | #include "AliTPCseed.h" |
3f82c4f2 | 29 | #include "AliTPCReconstructor.h" |
0a65832b | 30 | #include "AliTPCClusterParam.h" |
7cd8ac3f | 31 | #include "AliTPCCalPad.h" |
32 | #include "AliTPCCalROC.h" | |
37540068 | 33 | #include "AliTPCcalibDB.h" |
d080e4a4 | 34 | #include "AliTPCParam.h" |
5731b051 | 35 | #include "AliMathBase.h" |
3af3fbc4 | 36 | #include "AliTPCTransform.h" |
37 | #include "AliSplineFit.h" | |
38 | #include "AliCDBManager.h" | |
108a67db | 39 | #include "AliTPCcalibDButil.h" |
7cd8ac3f | 40 | |
81e97e0d | 41 | |
42 | ClassImp(AliTPCseed) | |
43 | ||
44 | ||
45 | ||
32fab534 | 46 | AliTPCseed::AliTPCseed(): |
47 | AliTPCtrack(), | |
48 | fEsd(0x0), | |
2928bdf0 | 49 | fClusterOwner(kFALSE), |
32fab534 | 50 | fRow(0), |
51 | fSector(-1), | |
52 | fRelativeSector(-1), | |
53 | fCurrentSigmaY2(1e10), | |
54 | fCurrentSigmaZ2(1e10), | |
e0e13b88 | 55 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% |
56 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
c07cb486 | 57 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% |
58 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
e0e13b88 | 59 | // |
32fab534 | 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), | |
ddfbc51a | 73 | fCircular(0), |
74 | fPoolID(-1) | |
32fab534 | 75 | { |
81e97e0d | 76 | // |
5c09947e | 77 | for (Int_t i=0;i<160;i++) SetClusterIndex2(i,-3); |
81e97e0d | 78 | for (Int_t i=0;i<160;i++) fClusterPointer[i]=0; |
79 | for (Int_t i=0;i<3;i++) fKinkIndexes[i]=0; | |
32fab534 | 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; | |
9c0db267 | 85 | fNCDEDXInclThres[i] = 0; |
32fab534 | 86 | } |
dee67df8 | 87 | for (Int_t i=0;i<9;i++) fDEDX[i] = 0; |
32fab534 | 88 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = -1; |
81e97e0d | 89 | } |
32fab534 | 90 | |
2928bdf0 | 91 | AliTPCseed::AliTPCseed(const AliTPCseed &s, Bool_t clusterOwner): |
32fab534 | 92 | AliTPCtrack(s), |
93 | fEsd(0x0), | |
2928bdf0 | 94 | fClusterOwner(clusterOwner), |
32fab534 | 95 | fRow(0), |
96 | fSector(-1), | |
97 | fRelativeSector(-1), | |
c07cb486 | 98 | fCurrentSigmaY2(-1), |
99 | fCurrentSigmaZ2(-1), | |
e0e13b88 | 100 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% |
101 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
c07cb486 | 102 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% |
103 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
32fab534 | 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), | |
ddfbc51a | 117 | fCircular(0), |
118 | fPoolID(-1) | |
32fab534 | 119 | { |
81e97e0d | 120 | //--------------------- |
121 | // dummy copy constructor | |
122 | //------------------------- | |
2928bdf0 | 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 | } | |
81e97e0d | 133 | for (Int_t i=0;i<160;i++) fIndex[i] = s.fIndex[i]; |
5c09947e | 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]; | |
9c0db267 | 139 | fNCDEDXInclThres[i] = s.fNCDEDXInclThres[i]; |
5c09947e | 140 | } |
dee67df8 | 141 | for (Int_t i=0;i<9;i++) fDEDX[i] = 0; |
142 | ||
5c09947e | 143 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = s.fOverlapLabels[i]; |
19b00333 | 144 | |
81e97e0d | 145 | } |
5c09947e | 146 | |
147 | ||
32fab534 | 148 | AliTPCseed::AliTPCseed(const AliTPCtrack &t): |
149 | AliTPCtrack(t), | |
150 | fEsd(0x0), | |
2928bdf0 | 151 | fClusterOwner(kFALSE), |
32fab534 | 152 | fRow(0), |
153 | fSector(-1), | |
154 | fRelativeSector(-1), | |
c07cb486 | 155 | fCurrentSigmaY2(-1), |
156 | fCurrentSigmaZ2(-1), | |
e0e13b88 | 157 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% |
158 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
c07cb486 | 159 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% |
160 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
32fab534 | 161 | fErrorY2(1e10), |
162 | fErrorZ2(1e10), | |
163 | fCurrentCluster(0x0), | |
164 | fCurrentClusterIndex1(-1), | |
165 | fInDead(kFALSE), | |
166 | fIsSeeding(kFALSE), | |
167 | fNoCluster(0), | |
168 | fSort(0), | |
169 | fBSigned(kFALSE), | |
170 | fSeedType(0), | |
171 | fSeed1(-1), | |
172 | fSeed2(-1), | |
173 | fMAngular(0), | |
ddfbc51a | 174 | fCircular(0), |
175 | fPoolID(-1) | |
32fab534 | 176 | { |
81e97e0d | 177 | // |
32fab534 | 178 | // Constructor from AliTPCtrack |
179 | // | |
180 | fFirstPoint =0; | |
105b1b81 | 181 | for (Int_t i=0;i<5;i++) fTPCr[i]=0.2; |
81e97e0d | 182 | for (Int_t i=0;i<160;i++) { |
183 | fClusterPointer[i] = 0; | |
184 | Int_t index = t.GetClusterIndex(i); | |
185 | if (index>=-1){ | |
186 | SetClusterIndex2(i,index); | |
187 | } | |
188 | else{ | |
189 | SetClusterIndex2(i,-3); | |
190 | } | |
191 | } | |
32fab534 | 192 | for (Int_t i=0;i<4;i++) { |
193 | fDEDX[i] = 0.; | |
194 | fSDEDX[i] = 1e10; | |
195 | fNCDEDX[i] = 0; | |
9c0db267 | 196 | fNCDEDXInclThres[i] = 0; |
32fab534 | 197 | } |
dee67df8 | 198 | for (Int_t i=0;i<9;i++) fDEDX[i] = fDEDX[i]; |
199 | ||
32fab534 | 200 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = -1; |
81e97e0d | 201 | } |
202 | ||
6c94f330 | 203 | AliTPCseed::AliTPCseed(Double_t xr, Double_t alpha, const Double_t xx[5], |
204 | const Double_t cc[15], Int_t index): | |
205 | AliTPCtrack(xr, alpha, xx, cc, index), | |
32fab534 | 206 | fEsd(0x0), |
2928bdf0 | 207 | fClusterOwner(kFALSE), |
32fab534 | 208 | fRow(0), |
209 | fSector(-1), | |
210 | fRelativeSector(-1), | |
c07cb486 | 211 | fCurrentSigmaY2(-1), |
212 | fCurrentSigmaZ2(-1), | |
e0e13b88 | 213 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% |
214 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
c07cb486 | 215 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% |
216 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
32fab534 | 217 | fErrorY2(1e10), |
218 | fErrorZ2(1e10), | |
219 | fCurrentCluster(0x0), | |
220 | fCurrentClusterIndex1(-1), | |
221 | fInDead(kFALSE), | |
222 | fIsSeeding(kFALSE), | |
223 | fNoCluster(0), | |
224 | fSort(0), | |
225 | fBSigned(kFALSE), | |
226 | fSeedType(0), | |
227 | fSeed1(-1), | |
228 | fSeed2(-1), | |
229 | fMAngular(0), | |
ddfbc51a | 230 | fCircular(0), |
231 | fPoolID(-1) | |
32fab534 | 232 | { |
233 | // | |
234 | // Constructor | |
81e97e0d | 235 | // |
32fab534 | 236 | fFirstPoint =0; |
5c09947e | 237 | for (Int_t i=0;i<160;i++) SetClusterIndex2(i,-3); |
81e97e0d | 238 | for (Int_t i=0;i<160;i++) fClusterPointer[i]=0; |
81e97e0d | 239 | for (Int_t i=0;i<5;i++) fTPCr[i]=0.2; |
32fab534 | 240 | for (Int_t i=0;i<4;i++) { |
241 | fDEDX[i] = 0.; | |
242 | fSDEDX[i] = 1e10; | |
243 | fNCDEDX[i] = 0; | |
9c0db267 | 244 | fNCDEDXInclThres[i] = 0; |
32fab534 | 245 | } |
dee67df8 | 246 | for (Int_t i=0;i<9;i++) fDEDX[i] = 0; |
247 | ||
32fab534 | 248 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = -1; |
81e97e0d | 249 | } |
250 | ||
251 | AliTPCseed::~AliTPCseed(){ | |
252 | // | |
253 | // destructor | |
81e97e0d | 254 | fNoCluster =0; |
2928bdf0 | 255 | if (fClusterOwner){ |
256 | for (Int_t icluster=0; icluster<160; icluster++){ | |
257 | delete fClusterPointer[icluster]; | |
258 | } | |
259 | } | |
bfb57b6c | 260 | |
81e97e0d | 261 | } |
179c6296 | 262 | //_________________________________________________ |
316c6cd9 | 263 | AliTPCseed & AliTPCseed::operator=(const AliTPCseed ¶m) |
179c6296 | 264 | { |
265 | // | |
316c6cd9 | 266 | // assignment operator |
ddfbc51a | 267 | // don't touch pool ID |
179c6296 | 268 | // |
316c6cd9 | 269 | if(this!=¶m){ |
270 | AliTPCtrack::operator=(param); | |
271 | fEsd =param.fEsd; | |
316c6cd9 | 272 | fClusterOwner = param.fClusterOwner; |
f06a1ff6 | 273 | if (!fClusterOwner) for(Int_t i = 0;i<160;++i)fClusterPointer[i] = param.fClusterPointer[i]; |
396e55e3 | 274 | else for(Int_t i = 0;i<160;++i) { |
275 | delete fClusterPointer[i]; | |
276 | fClusterPointer[i] = new AliTPCclusterMI(*(param.fClusterPointer[i])); | |
277 | } | |
316c6cd9 | 278 | // leave out fPoint, they are also not copied in the copy ctor... |
279 | // but deleted in the dtor... strange... | |
316c6cd9 | 280 | fRow = param.fRow; |
281 | fSector = param.fSector; | |
282 | fRelativeSector = param.fRelativeSector; | |
283 | fCurrentSigmaY2 = param.fCurrentSigmaY2; | |
284 | fCurrentSigmaZ2 = param.fCurrentSigmaZ2; | |
285 | fErrorY2 = param.fErrorY2; | |
286 | fErrorZ2 = param.fErrorZ2; | |
287 | fCurrentCluster = param.fCurrentCluster; // this is not allocated by AliTPCSeed | |
288 | fCurrentClusterIndex1 = param.fCurrentClusterIndex1; | |
289 | fInDead = param.fInDead; | |
290 | fIsSeeding = param.fIsSeeding; | |
291 | fNoCluster = param.fNoCluster; | |
292 | fSort = param.fSort; | |
293 | fBSigned = param.fBSigned; | |
294 | for(Int_t i = 0;i<4;++i){ | |
295 | fDEDX[i] = param.fDEDX[i]; | |
296 | fSDEDX[i] = param.fSDEDX[i]; | |
297 | fNCDEDX[i] = param.fNCDEDX[i]; | |
9c0db267 | 298 | fNCDEDXInclThres[i] = param.fNCDEDXInclThres[i]; |
316c6cd9 | 299 | } |
dee67df8 | 300 | for (Int_t i=0;i<9;i++) fDEDX[i] = 0; |
301 | ||
316c6cd9 | 302 | for(Int_t i = 0;i<AliPID::kSPECIES;++i)fTPCr[i] = param.fTPCr[i]; |
303 | ||
304 | fSeedType = param.fSeedType; | |
305 | fSeed1 = param.fSeed1; | |
306 | fSeed2 = param.fSeed2; | |
307 | for(Int_t i = 0;i<12;++i)fOverlapLabels[i] = param.fOverlapLabels[i]; | |
308 | fMAngular = param.fMAngular; | |
309 | fCircular = param.fCircular; | |
310 | for(int i = 0;i<160;++i)fTrackPoints[i] = param.fTrackPoints[i]; | |
316c6cd9 | 311 | } |
179c6296 | 312 | return (*this); |
313 | } | |
314 | //____________________________________________________ | |
81e97e0d | 315 | AliTPCTrackerPoint * AliTPCseed::GetTrackPoint(Int_t i) |
316 | { | |
317 | // | |
318 | // | |
319 | return &fTrackPoints[i]; | |
320 | } | |
321 | ||
81e97e0d | 322 | |
323 | ||
324 | Double_t AliTPCseed::GetDensityFirst(Int_t n) | |
325 | { | |
326 | // | |
327 | // | |
328 | // return cluster for n rows bellow first point | |
329 | Int_t nfoundable = 1; | |
330 | Int_t nfound = 1; | |
331 | for (Int_t i=fLastPoint-1;i>0&&nfoundable<n; i--){ | |
332 | Int_t index = GetClusterIndex2(i); | |
333 | if (index!=-1) nfoundable++; | |
334 | if (index>0) nfound++; | |
335 | } | |
336 | if (nfoundable<n) return 0; | |
337 | return Double_t(nfound)/Double_t(nfoundable); | |
338 | ||
339 | } | |
340 | ||
341 | ||
342 | void AliTPCseed::GetClusterStatistic(Int_t first, Int_t last, Int_t &found, Int_t &foundable, Int_t &shared, Bool_t plus2) | |
343 | { | |
344 | // get cluster stat. on given region | |
345 | // | |
346 | found = 0; | |
347 | foundable = 0; | |
348 | shared =0; | |
349 | for (Int_t i=first;i<last; i++){ | |
350 | Int_t index = GetClusterIndex2(i); | |
351 | if (index!=-1) foundable++; | |
6d493ea0 | 352 | if (index&0x8000) continue; |
81e97e0d | 353 | if (fClusterPointer[i]) { |
354 | found++; | |
355 | } | |
356 | else | |
357 | continue; | |
358 | ||
359 | if (fClusterPointer[i]->IsUsed(10)) { | |
360 | shared++; | |
361 | continue; | |
362 | } | |
363 | if (!plus2) continue; //take also neighborhoud | |
364 | // | |
365 | if ( (i>0) && fClusterPointer[i-1]){ | |
366 | if (fClusterPointer[i-1]->IsUsed(10)) { | |
367 | shared++; | |
368 | continue; | |
369 | } | |
370 | } | |
371 | if ( fClusterPointer[i+1]){ | |
372 | if (fClusterPointer[i+1]->IsUsed(10)) { | |
373 | shared++; | |
374 | continue; | |
375 | } | |
376 | } | |
377 | ||
378 | } | |
379 | //if (shared>found){ | |
380 | //Error("AliTPCseed::GetClusterStatistic","problem\n"); | |
381 | //} | |
382 | } | |
383 | ||
384 | ||
385 | ||
386 | ||
387 | ||
388 | void AliTPCseed::Reset(Bool_t all) | |
389 | { | |
390 | // | |
391 | // | |
392 | SetNumberOfClusters(0); | |
393 | fNFoundable = 0; | |
394 | SetChi2(0); | |
6c94f330 | 395 | ResetCovariance(10.); |
81e97e0d | 396 | /* |
397 | if (fTrackPoints){ | |
398 | for (Int_t i=0;i<8;i++){ | |
399 | delete [] fTrackPoints[i]; | |
400 | } | |
401 | delete fTrackPoints; | |
402 | fTrackPoints =0; | |
403 | } | |
404 | */ | |
405 | ||
406 | if (all){ | |
f06a1ff6 | 407 | for (Int_t i=200;i--;) SetClusterIndex2(i,-3); |
408 | if (!fClusterOwner) for (Int_t i=160;i--;) fClusterPointer[i]=0; | |
409 | else for (Int_t i=160;i--;) {delete fClusterPointer[i]; fClusterPointer[i]=0;} | |
81e97e0d | 410 | } |
411 | ||
412 | } | |
413 | ||
414 | ||
415 | void AliTPCseed::Modify(Double_t factor) | |
416 | { | |
417 | ||
418 | //------------------------------------------------------------------ | |
419 | //This function makes a track forget its history :) | |
420 | //------------------------------------------------------------------ | |
421 | if (factor<=0) { | |
6c94f330 | 422 | ResetCovariance(10.); |
81e97e0d | 423 | return; |
424 | } | |
6c94f330 | 425 | ResetCovariance(factor); |
426 | ||
81e97e0d | 427 | SetNumberOfClusters(0); |
428 | fNFoundable =0; | |
429 | SetChi2(0); | |
430 | fRemoval = 0; | |
431 | fCurrentSigmaY2 = 0.000005; | |
432 | fCurrentSigmaZ2 = 0.000005; | |
433 | fNoCluster = 0; | |
434 | //fFirstPoint = 160; | |
435 | //fLastPoint = 0; | |
436 | } | |
437 | ||
438 | ||
439 | ||
440 | ||
441 | Int_t AliTPCseed::GetProlongation(Double_t xk, Double_t &y, Double_t & z) const | |
442 | { | |
443 | //----------------------------------------------------------------- | |
444 | // This function find proloncation of a track to a reference plane x=xk. | |
445 | // doesn't change internal state of the track | |
446 | //----------------------------------------------------------------- | |
447 | ||
6c94f330 | 448 | Double_t x1=GetX(), x2=x1+(xk-x1), dx=x2-x1; |
81e97e0d | 449 | |
6c94f330 | 450 | if (TMath::Abs(GetSnp()+GetC()*dx) >= AliTPCReconstructor::GetMaxSnpTrack()) { |
81e97e0d | 451 | return 0; |
452 | } | |
453 | ||
454 | // Double_t y1=fP0, z1=fP1; | |
60e55aee | 455 | Double_t c1=GetSnp(), r1=sqrt((1.-c1)*(1.+c1)); |
456 | Double_t c2=c1 + GetC()*dx, r2=sqrt((1.-c2)*(1.+c2)); | |
81e97e0d | 457 | |
6c94f330 | 458 | y = GetY(); |
459 | z = GetZ(); | |
81e97e0d | 460 | //y += dx*(c1+c2)/(r1+r2); |
461 | //z += dx*(c1+c2)/(c1*r2 + c2*r1)*fP3; | |
462 | ||
463 | Double_t dy = dx*(c1+c2)/(r1+r2); | |
464 | Double_t dz = 0; | |
465 | // | |
6c94f330 | 466 | Double_t delta = GetC()*dx*(c1+c2)/(c1*r2 + c2*r1); |
81e97e0d | 467 | /* |
468 | if (TMath::Abs(delta)>0.0001){ | |
469 | dz = fP3*TMath::ASin(delta)/fP4; | |
470 | }else{ | |
471 | dz = dx*fP3*(c1+c2)/(c1*r2 + c2*r1); | |
472 | } | |
473 | */ | |
474 | // dz = fP3*AliTPCFastMath::FastAsin(delta)/fP4; | |
6c94f330 | 475 | dz = GetTgl()*TMath::ASin(delta)/GetC(); |
81e97e0d | 476 | // |
477 | y+=dy; | |
478 | z+=dz; | |
479 | ||
480 | ||
481 | return 1; | |
482 | } | |
483 | ||
484 | ||
485 | //_____________________________________________________________________________ | |
af32720d | 486 | Double_t AliTPCseed::GetPredictedChi2(const AliCluster *c) const |
81e97e0d | 487 | { |
488 | //----------------------------------------------------------------- | |
489 | // This function calculates a predicted chi2 increment. | |
490 | //----------------------------------------------------------------- | |
6c94f330 | 491 | Double_t p[2]={c->GetY(), c->GetZ()}; |
492 | Double_t cov[3]={fErrorY2, 0., fErrorZ2}; | |
9c7b8249 | 493 | |
494 | Float_t dx = ((AliTPCclusterMI*)c)->GetX()-GetX(); | |
495 | if (TMath::Abs(dx)>0){ | |
496 | Float_t ty = TMath::Tan(TMath::ASin(GetSnp())); | |
497 | Float_t dy = dx*ty; | |
498 | Float_t dz = dx*TMath::Sqrt(1.+ty*ty)*GetTgl(); | |
499 | p[0] = c->GetY()-dy; | |
500 | p[1] = c->GetZ()-dz; | |
501 | } | |
6c94f330 | 502 | return AliExternalTrackParam::GetPredictedChi2(p,cov); |
81e97e0d | 503 | } |
504 | ||
81e97e0d | 505 | //_________________________________________________________________________________________ |
506 | ||
507 | ||
508 | Int_t AliTPCseed::Compare(const TObject *o) const { | |
509 | //----------------------------------------------------------------- | |
510 | // This function compares tracks according to the sector - for given sector according z | |
511 | //----------------------------------------------------------------- | |
512 | AliTPCseed *t=(AliTPCseed*)o; | |
6c94f330 | 513 | |
81e97e0d | 514 | if (fSort == 0){ |
515 | if (t->fRelativeSector>fRelativeSector) return -1; | |
516 | if (t->fRelativeSector<fRelativeSector) return 1; | |
517 | Double_t z2 = t->GetZ(); | |
518 | Double_t z1 = GetZ(); | |
519 | if (z2>z1) return 1; | |
520 | if (z2<z1) return -1; | |
521 | return 0; | |
522 | } | |
523 | else { | |
524 | Float_t f2 =1; | |
6c23ffed | 525 | f2 = 1-20*TMath::Sqrt(t->GetSigma1Pt2())/(t->OneOverPt()+0.0066); |
81e97e0d | 526 | if (t->fBConstrain) f2=1.2; |
527 | ||
528 | Float_t f1 =1; | |
6c23ffed | 529 | f1 = 1-20*TMath::Sqrt(GetSigma1Pt2())/(OneOverPt()+0.0066); |
81e97e0d | 530 | |
531 | if (fBConstrain) f1=1.2; | |
532 | ||
533 | if (t->GetNumberOfClusters()*f2 <GetNumberOfClusters()*f1) return -1; | |
534 | else return +1; | |
535 | } | |
536 | } | |
537 | ||
538 | ||
539 | ||
540 | ||
541 | //_____________________________________________________________________________ | |
70e20dcf | 542 | Bool_t AliTPCseed::Update(const AliCluster *c, Double_t chisq, Int_t index) |
6c94f330 | 543 | { |
81e97e0d | 544 | //----------------------------------------------------------------- |
545 | // This function associates a cluster with this track. | |
546 | //----------------------------------------------------------------- | |
81e97e0d | 547 | Int_t n=GetNumberOfClusters(); |
70e20dcf | 548 | Int_t idx=GetClusterIndex(n); // save the current cluster index |
549 | ||
2d15e7a5 | 550 | AliTPCclusterMI cl(*(AliTPCclusterMI*)c); cl.SetSigmaY2(fErrorY2); cl.SetSigmaZ2(fErrorZ2); |
551 | ||
552 | AliTPCClusterParam * parcl = AliTPCcalibDB::Instance()->GetClusterParam(); | |
553 | ||
554 | Float_t ty = TMath::Tan(TMath::ASin(GetSnp())); | |
555 | ||
556 | if( parcl ){ | |
557 | Int_t padSize = 0; // short pads | |
558 | if (cl.GetDetector() >= 36) { | |
559 | padSize = 1; // medium pads | |
560 | if (cl.GetRow() > 63) padSize = 2; // long pads | |
561 | } | |
562 | Float_t waveCorr = parcl->GetWaveCorrection( padSize, cl.GetZ(), cl.GetMax(),cl.GetPad(), ty ); | |
563 | cl.SetY( cl.GetY() - waveCorr ); | |
564 | } | |
565 | ||
ca521f6c | 566 | Float_t dx = ((AliTPCclusterMI*)c)->GetX()-GetX(); |
567 | if (TMath::Abs(dx)>0){ | |
ca521f6c | 568 | Float_t dy = dx*ty; |
569 | Float_t dz = dx*TMath::Sqrt(1.+ty*ty)*GetTgl(); | |
2d15e7a5 | 570 | cl.SetY(cl.GetY()-dy); |
571 | cl.SetZ(cl.GetZ()-dz); | |
572 | } | |
573 | ||
ca521f6c | 574 | |
70e20dcf | 575 | if (!AliTPCtrack::Update(&cl,chisq,index)) return kFALSE; |
e0e13b88 | 576 | |
577 | if (fCMeanSigmaY2p30<0){ | |
578 | fCMeanSigmaY2p30= c->GetSigmaY2(); //! current mean sigma Y2 - mean30% | |
c07cb486 | 579 | fCMeanSigmaZ2p30= c->GetSigmaZ2(); //! current mean sigma Z2 - mean30% |
580 | fCMeanSigmaY2p30R = 1; //! current mean sigma Y2 - mean5% | |
581 | fCMeanSigmaZ2p30R = 1; //! current mean sigma Z2 - mean5% | |
e0e13b88 | 582 | } |
583 | // | |
584 | fCMeanSigmaY2p30= 0.70*fCMeanSigmaY2p30 +0.30*c->GetSigmaY2(); | |
c07cb486 | 585 | fCMeanSigmaZ2p30= 0.70*fCMeanSigmaZ2p30 +0.30*c->GetSigmaZ2(); |
586 | if (fCurrentSigmaY2>0){ | |
587 | fCMeanSigmaY2p30R = 0.7*fCMeanSigmaY2p30R +0.3*c->GetSigmaY2()/fCurrentSigmaY2; | |
588 | fCMeanSigmaZ2p30R = 0.7*fCMeanSigmaZ2p30R +0.3*c->GetSigmaZ2()/fCurrentSigmaZ2; | |
589 | } | |
e0e13b88 | 590 | |
81e97e0d | 591 | |
70e20dcf | 592 | SetClusterIndex(n,idx); // restore the current cluster index |
6c94f330 | 593 | return kTRUE; |
81e97e0d | 594 | } |
595 | ||
596 | ||
597 | ||
598 | //_____________________________________________________________________________ | |
dc5cd41c | 599 | Float_t AliTPCseed::CookdEdx(Double_t low, Double_t up,Int_t i1, Int_t i2, Bool_t /* onlyused */) { |
81e97e0d | 600 | //----------------------------------------------------------------- |
601 | // This funtion calculates dE/dX within the "low" and "up" cuts. | |
602 | //----------------------------------------------------------------- | |
2cadb5d1 | 603 | // CookdEdxAnalytical(Double_t low, Double_t up, Int_t type, Int_t i1, Int_t i2, Int_t returnVal) |
83afd539 | 604 | AliTPCParam *param = AliTPCcalibDB::Instance()->GetParameters(); |
44a6a09e | 605 | |
83afd539 | 606 | Int_t row0 = param->GetNRowLow(); |
607 | Int_t row1 = row0+param->GetNRowUp1(); | |
608 | Int_t row2 = row1+param->GetNRowUp2(); | |
44a6a09e | 609 | const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam(); |
610 | Int_t useTot = 0; | |
611 | if (recoParam) useTot = (recoParam->GetUseTotCharge())? 0:1; | |
83afd539 | 612 | // |
613 | // | |
19e8ad6c | 614 | TVectorF i1i2; |
dee67df8 | 615 | TVectorF irocTot; |
616 | TVectorF oroc1Tot; | |
617 | TVectorF oroc2Tot; | |
618 | TVectorF forocTot; | |
619 | // | |
620 | TVectorF irocMax; | |
621 | TVectorF oroc1Max; | |
622 | TVectorF oroc2Max; | |
623 | TVectorF forocMax; | |
19e8ad6c | 624 | |
625 | CookdEdxAnalytical(low,up,useTot ,i1 ,i2, 0, 2, 0, &i1i2); | |
dee67df8 | 626 | // |
627 | CookdEdxAnalytical(low,up,kTRUE ,0 ,row0, 0, 2, 0, &irocTot); | |
628 | CookdEdxAnalytical(low,up,kTRUE ,row0,row1, 0, 2, 0, &oroc1Tot); | |
629 | CookdEdxAnalytical(low,up,kTRUE ,row1,row2, 0, 2, 0, &oroc2Tot); | |
630 | CookdEdxAnalytical(low,up,kTRUE ,row0,row2, 0, 2, 0, &forocTot); // full OROC truncated mean | |
631 | // | |
632 | CookdEdxAnalytical(low,up,kFALSE ,0 ,row0, 0, 2, 0, &irocMax); | |
633 | CookdEdxAnalytical(low,up,kFALSE ,row0,row1, 0, 2, 0, &oroc1Max); | |
634 | CookdEdxAnalytical(low,up,kFALSE ,row1,row2, 0, 2, 0, &oroc2Max); | |
635 | CookdEdxAnalytical(low,up,kFALSE ,row0,row2, 0, 2, 0, &forocMax); // full OROC truncated mean | |
19e8ad6c | 636 | |
637 | fDEDX[0] = i1i2(0); | |
dee67df8 | 638 | // |
639 | fDEDX[1] = irocTot(0); | |
640 | fDEDX[2] = oroc1Tot(0); | |
641 | fDEDX[3] = oroc2Tot(0); | |
642 | fDEDX[4] = forocTot(0); // full OROC truncated mean | |
643 | fDEDX[5] = irocMax(0); | |
644 | fDEDX[6] = oroc1Max(0); | |
645 | fDEDX[7] = oroc2Max(0); | |
646 | fDEDX[8] = forocMax(0); // full OROC truncated mean | |
83afd539 | 647 | // |
19e8ad6c | 648 | fSDEDX[0] = i1i2(1); |
dee67df8 | 649 | fSDEDX[1] = irocTot(1); |
650 | fSDEDX[2] = oroc1Tot(1); | |
651 | fSDEDX[3] = oroc2Tot(1); | |
83afd539 | 652 | // |
19e8ad6c | 653 | fNCDEDX[0] = TMath::Nint(i1i2(2)); |
dee67df8 | 654 | |
655 | fNCDEDX[1] = TMath::Nint( irocTot(2)); | |
656 | fNCDEDX[2] = TMath::Nint(oroc1Tot(2)); | |
657 | fNCDEDX[3] = TMath::Nint(oroc2Tot(2)); | |
64bf5ca0 | 658 | // |
19e8ad6c | 659 | fNCDEDXInclThres[0] = TMath::Nint(i1i2(2)+i1i2(9)); |
dee67df8 | 660 | fNCDEDXInclThres[1] = TMath::Nint( irocTot(2)+ irocTot(9)); |
661 | fNCDEDXInclThres[2] = TMath::Nint(oroc1Tot(2)+oroc1Tot(9)); | |
662 | fNCDEDXInclThres[3] = TMath::Nint(oroc2Tot(2)+oroc2Tot(9)); | |
64bf5ca0 | 663 | // |
83afd539 | 664 | SetdEdx(fDEDX[0]); |
665 | return fDEDX[0]; | |
81e97e0d | 666 | |
ba5e52fb | 667 | // return CookdEdxNorm(low,up,0,i1,i2,1,0,2); |
4cc7ba77 | 668 | |
669 | ||
ba5e52fb | 670 | // Float_t amp[200]; |
671 | // Float_t angular[200]; | |
672 | // Float_t weight[200]; | |
673 | // Int_t index[200]; | |
674 | // //Int_t nc = 0; | |
675 | // Float_t meanlog = 100.; | |
676 | ||
677 | // Float_t mean[4] = {0,0,0,0}; | |
678 | // Float_t sigma[4] = {1000,1000,1000,1000}; | |
679 | // Int_t nc[4] = {0,0,0,0}; | |
680 | // Float_t norm[4] = {1000,1000,1000,1000}; | |
681 | // // | |
682 | // // | |
683 | // fNShared =0; | |
684 | ||
685 | // Float_t gainGG = 1; | |
686 | // if (AliTPCcalibDB::Instance()->GetParameters()){ | |
687 | // gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000.; //relative gas gain | |
688 | // } | |
689 | ||
690 | ||
691 | // for (Int_t of =0; of<4; of++){ | |
692 | // for (Int_t i=of+i1;i<i2;i+=4) | |
693 | // { | |
694 | // Int_t clindex = fIndex[i]; | |
695 | // if (clindex<0||clindex&0x8000) continue; | |
696 | ||
697 | // //AliTPCTrackPoint * point = (AliTPCTrackPoint *) arr.At(i); | |
698 | // AliTPCTrackerPoint * point = GetTrackPoint(i); | |
699 | // //AliTPCTrackerPoint * pointm = GetTrackPoint(i-1); | |
700 | // //AliTPCTrackerPoint * pointp = 0; | |
701 | // //if (i<159) pointp = GetTrackPoint(i+1); | |
702 | ||
703 | // if (point==0) continue; | |
704 | // AliTPCclusterMI * cl = fClusterPointer[i]; | |
705 | // if (cl==0) continue; | |
706 | // if (onlyused && (!cl->IsUsed(10))) continue; | |
707 | // if (cl->IsUsed(11)) { | |
708 | // fNShared++; | |
709 | // continue; | |
710 | // } | |
711 | // Int_t type = cl->GetType(); | |
712 | // //if (point->fIsShared){ | |
713 | // // fNShared++; | |
714 | // // continue; | |
715 | // //} | |
716 | // //if (pointm) | |
717 | // // if (pointm->fIsShared) continue; | |
718 | // //if (pointp) | |
719 | // // if (pointp->fIsShared) continue; | |
720 | ||
721 | // if (type<0) continue; | |
722 | // //if (type>10) continue; | |
723 | // //if (point->GetErrY()==0) continue; | |
724 | // //if (point->GetErrZ()==0) continue; | |
725 | ||
726 | // //Float_t ddy = (point->GetY()-cl->GetY())/point->GetErrY(); | |
727 | // //Float_t ddz = (point->GetZ()-cl->GetZ())/point->GetErrZ(); | |
728 | // //if ((ddy*ddy+ddz*ddz)>10) continue; | |
729 | ||
730 | ||
731 | // // if (point->GetCPoint().GetMax()<5) continue; | |
732 | // if (cl->GetMax()<5) continue; | |
733 | // Float_t angley = point->GetAngleY(); | |
734 | // Float_t anglez = point->GetAngleZ(); | |
735 | ||
736 | // Float_t rsigmay2 = point->GetSigmaY(); | |
737 | // Float_t rsigmaz2 = point->GetSigmaZ(); | |
738 | // /* | |
739 | // Float_t ns = 1.; | |
740 | // if (pointm){ | |
741 | // rsigmay += pointm->GetTPoint().GetSigmaY(); | |
742 | // rsigmaz += pointm->GetTPoint().GetSigmaZ(); | |
743 | // ns+=1.; | |
744 | // } | |
745 | // if (pointp){ | |
746 | // rsigmay += pointp->GetTPoint().GetSigmaY(); | |
747 | // rsigmaz += pointp->GetTPoint().GetSigmaZ(); | |
748 | // ns+=1.; | |
749 | // } | |
750 | // rsigmay/=ns; | |
751 | // rsigmaz/=ns; | |
752 | // */ | |
753 | ||
754 | // Float_t rsigma = TMath::Sqrt(rsigmay2*rsigmaz2); | |
755 | ||
756 | // Float_t ampc = 0; // normalization to the number of electrons | |
757 | // if (i>64){ | |
758 | // // ampc = 1.*point->GetCPoint().GetMax(); | |
759 | // ampc = 1.*cl->GetMax(); | |
760 | // //ampc = 1.*point->GetCPoint().GetQ(); | |
761 | // // AliTPCClusterPoint & p = point->GetCPoint(); | |
762 | // // Float_t dy = TMath::Abs(Int_t( TMath::Abs(p.GetY()/0.6)) - TMath::Abs(p.GetY()/0.6)+0.5); | |
763 | // // Float_t iz = (250.0-TMath::Abs(p.GetZ())+0.11)/0.566; | |
764 | // //Float_t dz = | |
765 | // // TMath::Abs( Int_t(iz) - iz + 0.5); | |
766 | // //ampc *= 1.15*(1-0.3*dy); | |
767 | // //ampc *= 1.15*(1-0.3*dz); | |
768 | // // Float_t zfactor = (AliTPCReconstructor::GetCtgRange()-0.0004*TMath::Abs(point->GetCPoint().GetZ())); | |
769 | // //ampc *=zfactor; | |
770 | // } | |
771 | // else{ | |
772 | // //ampc = 1.0*point->GetCPoint().GetMax(); | |
773 | // ampc = 1.0*cl->GetMax(); | |
774 | // //ampc = 1.0*point->GetCPoint().GetQ(); | |
775 | // //AliTPCClusterPoint & p = point->GetCPoint(); | |
776 | // // Float_t dy = TMath::Abs(Int_t( TMath::Abs(p.GetY()/0.4)) - TMath::Abs(p.GetY()/0.4)+0.5); | |
777 | // //Float_t iz = (250.0-TMath::Abs(p.GetZ())+0.11)/0.566; | |
778 | // //Float_t dz = | |
779 | // // TMath::Abs( Int_t(iz) - iz + 0.5); | |
780 | ||
781 | // //ampc *= 1.15*(1-0.3*dy); | |
782 | // //ampc *= 1.15*(1-0.3*dz); | |
783 | // // Float_t zfactor = (1.02-0.000*TMath::Abs(point->GetCPoint().GetZ())); | |
784 | // //ampc *=zfactor; | |
785 | ||
786 | // } | |
787 | // ampc *= 2.0; // put mean value to channel 50 | |
788 | // //ampc *= 0.58; // put mean value to channel 50 | |
789 | // Float_t w = 1.; | |
790 | // // if (type>0) w = 1./(type/2.-0.5); | |
791 | // // Float_t z = TMath::Abs(cl->GetZ()); | |
792 | // if (i<64) { | |
793 | // ampc /= 0.6; | |
794 | // //ampc /= (1+0.0008*z); | |
795 | // } else | |
796 | // if (i>128){ | |
797 | // ampc /=1.5; | |
798 | // //ampc /= (1+0.0008*z); | |
799 | // }else{ | |
800 | // //ampc /= (1+0.0008*z); | |
801 | // } | |
81e97e0d | 802 | |
ba5e52fb | 803 | // if (type<0) { //amp at the border - lower weight |
804 | // // w*= 2.; | |
81e97e0d | 805 | |
ba5e52fb | 806 | // continue; |
807 | // } | |
808 | // if (rsigma>1.5) ampc/=1.3; // if big backround | |
809 | // amp[nc[of]] = ampc; | |
810 | // amp[nc[of]] /=gainGG; | |
811 | // angular[nc[of]] = TMath::Sqrt(1.+angley*angley+anglez*anglez); | |
812 | // weight[nc[of]] = w; | |
813 | // nc[of]++; | |
814 | // } | |
81e97e0d | 815 | |
ba5e52fb | 816 | // TMath::Sort(nc[of],amp,index,kFALSE); |
817 | // Float_t sumamp=0; | |
818 | // Float_t sumamp2=0; | |
819 | // Float_t sumw=0; | |
820 | // //meanlog = amp[index[Int_t(nc[of]*0.33)]]; | |
821 | // meanlog = 50; | |
822 | // for (Int_t i=int(nc[of]*low+0.5);i<int(nc[of]*up+0.5);i++){ | |
823 | // Float_t ampl = amp[index[i]]/angular[index[i]]; | |
824 | // ampl = meanlog*TMath::Log(1.+ampl/meanlog); | |
825 | // // | |
826 | // sumw += weight[index[i]]; | |
827 | // sumamp += weight[index[i]]*ampl; | |
828 | // sumamp2 += weight[index[i]]*ampl*ampl; | |
829 | // norm[of] += angular[index[i]]*weight[index[i]]; | |
830 | // } | |
831 | // if (sumw<1){ | |
832 | // SetdEdx(0); | |
833 | // } | |
834 | // else { | |
835 | // norm[of] /= sumw; | |
836 | // mean[of] = sumamp/sumw; | |
837 | // sigma[of] = sumamp2/sumw-mean[of]*mean[of]; | |
838 | // if (sigma[of]>0.1) | |
839 | // sigma[of] = TMath::Sqrt(sigma[of]); | |
840 | // else | |
841 | // sigma[of] = 1000; | |
81e97e0d | 842 | |
ba5e52fb | 843 | // mean[of] = (TMath::Exp(mean[of]/meanlog)-1)*meanlog; |
844 | // //mean *=(1-0.02*(sigma/(mean*0.17)-1.)); | |
845 | // //mean *=(1-0.1*(norm-1.)); | |
846 | // } | |
847 | // } | |
848 | ||
849 | // Float_t dedx =0; | |
850 | // fSdEdx =0; | |
851 | // fMAngular =0; | |
852 | // // mean[0]*= (1-0.05*(sigma[0]/(0.01+mean[1]*0.18)-1)); | |
853 | // // mean[1]*= (1-0.05*(sigma[1]/(0.01+mean[0]*0.18)-1)); | |
81e97e0d | 854 | |
855 | ||
ba5e52fb | 856 | // // dedx = (mean[0]* TMath::Sqrt((1.+nc[0]))+ mean[1]* TMath::Sqrt((1.+nc[1])) )/ |
857 | // // ( TMath::Sqrt((1.+nc[0]))+TMath::Sqrt((1.+nc[1]))); | |
858 | ||
859 | // Int_t norm2 = 0; | |
860 | // Int_t norm3 = 0; | |
861 | // for (Int_t i =0;i<4;i++){ | |
862 | // if (nc[i]>2&&nc[i]<1000){ | |
863 | // dedx += mean[i] *nc[i]; | |
864 | // fSdEdx += sigma[i]*(nc[i]-2); | |
865 | // fMAngular += norm[i] *nc[i]; | |
866 | // norm2 += nc[i]; | |
867 | // norm3 += nc[i]-2; | |
868 | // } | |
869 | // fDEDX[i] = mean[i]; | |
870 | // fSDEDX[i] = sigma[i]; | |
871 | // fNCDEDX[i]= nc[i]; | |
872 | // } | |
873 | ||
874 | // if (norm3>0){ | |
875 | // dedx /=norm2; | |
876 | // fSdEdx /=norm3; | |
877 | // fMAngular/=norm2; | |
878 | // } | |
879 | // else{ | |
880 | // SetdEdx(0); | |
881 | // return 0; | |
882 | // } | |
883 | // // Float_t dedx1 =dedx; | |
884 | // /* | |
885 | // dedx =0; | |
886 | // for (Int_t i =0;i<4;i++){ | |
887 | // if (nc[i]>2&&nc[i]<1000){ | |
888 | // mean[i] = mean[i]*(1-0.12*(sigma[i]/(fSdEdx)-1.)); | |
889 | // dedx += mean[i] *nc[i]; | |
890 | // } | |
891 | // fDEDX[i] = mean[i]; | |
892 | // } | |
893 | // dedx /= norm2; | |
894 | // */ | |
81e97e0d | 895 | |
896 | ||
ba5e52fb | 897 | // SetdEdx(dedx); |
898 | // return dedx; | |
81e97e0d | 899 | } |
81e97e0d | 900 | |
901 | void AliTPCseed::CookPID() | |
902 | { | |
903 | // | |
904 | // cook PID information according dEdx | |
905 | // | |
906 | Double_t fRange = 10.; | |
907 | Double_t fRes = 0.1; | |
908 | Double_t fMIP = 47.; | |
909 | // | |
910 | Int_t ns=AliPID::kSPECIES; | |
911 | Double_t sumr =0; | |
912 | for (Int_t j=0; j<ns; j++) { | |
913 | Double_t mass=AliPID::ParticleMass(j); | |
6c94f330 | 914 | Double_t mom=GetP(); |
81e97e0d | 915 | Double_t dedx=fdEdx/fMIP; |
5731b051 | 916 | Double_t bethe=AliMathBase::BetheBlochAleph(mom/mass); |
81e97e0d | 917 | Double_t sigma=fRes*bethe; |
918 | if (sigma>0.001){ | |
919 | if (TMath::Abs(dedx-bethe) > fRange*sigma) { | |
920 | fTPCr[j]=TMath::Exp(-0.5*fRange*fRange)/sigma; | |
921 | sumr+=fTPCr[j]; | |
922 | continue; | |
923 | } | |
924 | fTPCr[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma; | |
925 | sumr+=fTPCr[j]; | |
926 | } | |
927 | else{ | |
928 | fTPCr[j]=1.; | |
929 | sumr+=fTPCr[j]; | |
930 | } | |
931 | } | |
932 | for (Int_t j=0; j<ns; j++) { | |
933 | fTPCr[j]/=sumr; //normalize | |
934 | } | |
935 | } | |
936 | ||
6c94f330 | 937 | Double_t AliTPCseed::GetYat(Double_t xk) const { |
938 | //----------------------------------------------------------------- | |
939 | // This function calculates the Y-coordinate of a track at the plane x=xk. | |
940 | //----------------------------------------------------------------- | |
941 | if (TMath::Abs(GetSnp())>AliTPCReconstructor::GetMaxSnpTrack()) return 0.; //patch 01 jan 06 | |
60e55aee | 942 | Double_t c1=GetSnp(), r1=TMath::Sqrt((1.-c1)*(1.+c1)); |
6c94f330 | 943 | Double_t c2=c1+GetC()*(xk-GetX()); |
944 | if (TMath::Abs(c2)>AliTPCReconstructor::GetMaxSnpTrack()) return 0; | |
60e55aee | 945 | Double_t r2=TMath::Sqrt((1.-c2)*(1.+c2)); |
6c94f330 | 946 | return GetY() + (xk-GetX())*(c1+c2)/(r1+r2); |
947 | } | |
948 | ||
0a65832b | 949 | |
950 | ||
8a92e133 | 951 | 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){ |
0a65832b | 952 | |
953 | // | |
954 | // calculates dedx using the cluster | |
955 | // low - up specify trunc mean range - default form 0-0.7 | |
8076baa0 | 956 | // type - 1 - max charge or 0- total charge in cluster |
957 | // //2- max no corr 3- total+ correction | |
0a65832b | 958 | // i1-i2 - the pad-row range used for calculation |
ba5e52fb | 959 | // shapeNorm - kTRUE -taken from OCDB |
960 | // | |
961 | // posNorm - usage of pos normalization | |
83afd539 | 962 | // padNorm - pad type normalization |
963 | // returnVal - 0 return mean | |
964 | // - 1 return RMS | |
965 | // - 2 return number of clusters | |
966 | // | |
0a65832b | 967 | // normalization parametrization taken from AliTPCClusterParam |
968 | // | |
ba5e52fb | 969 | AliTPCClusterParam * parcl = AliTPCcalibDB::Instance()->GetClusterParam(); |
970 | AliTPCParam * param = AliTPCcalibDB::Instance()->GetParameters(); | |
971 | if (!parcl) return 0; | |
972 | if (!param) return 0; | |
83afd539 | 973 | Int_t row0 = param->GetNRowLow(); |
974 | Int_t row1 = row0+param->GetNRowUp1(); | |
975 | ||
0a65832b | 976 | Float_t amp[160]; |
977 | Int_t indexes[160]; | |
978 | Int_t ncl=0; | |
979 | // | |
980 | // | |
ba5e52fb | 981 | Float_t gainGG = 1; // gas gain factor -always enabled |
982 | Float_t gainPad = 1; // gain map - used always | |
83afd539 | 983 | Float_t corrShape = 1; // correction due angular effect, diffusion and electron attachment |
ba5e52fb | 984 | Float_t corrPos = 1; // local position correction - if posNorm enabled |
985 | Float_t corrPadType = 1; // pad type correction - if padNorm enabled | |
986 | Float_t corrNorm = 1; // normalization factor - set Q to channel 50 | |
987 | // | |
988 | // | |
989 | // | |
4cc7ba77 | 990 | if (AliTPCcalibDB::Instance()->GetParameters()){ |
ba5e52fb | 991 | gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000; //relative gas gain |
4cc7ba77 | 992 | } |
993 | ||
0a65832b | 994 | const Float_t ktany = TMath::Tan(TMath::DegToRad()*10); |
4cc7ba77 | 995 | const Float_t kedgey =3.; |
0a65832b | 996 | // |
7cd8ac3f | 997 | // |
0a65832b | 998 | for (Int_t irow=i1; irow<i2; irow++){ |
999 | AliTPCclusterMI* cluster = GetClusterPointer(irow); | |
1000 | if (!cluster) continue; | |
1001 | if (TMath::Abs(cluster->GetY())>cluster->GetX()*ktany-kedgey) continue; // edge cluster | |
8076baa0 | 1002 | Float_t charge= (type%2)? cluster->GetMax():cluster->GetQ(); |
ba5e52fb | 1003 | Int_t ipad= 0; |
83afd539 | 1004 | if (irow>=row0) ipad=1; |
1005 | if (irow>=row1) ipad=2; | |
ba5e52fb | 1006 | // |
1007 | // | |
1008 | // | |
1009 | AliTPCCalPad * gainMap = AliTPCcalibDB::Instance()->GetDedxGainFactor(); | |
1010 | if (gainMap) { | |
1011 | // | |
1012 | // Get gainPad - pad by pad calibration | |
1013 | // | |
d6920632 | 1014 | Float_t factor = 1; |
1015 | AliTPCCalROC * roc = gainMap->GetCalROC(cluster->GetDetector()); | |
83afd539 | 1016 | if (irow < row0) { // IROC |
ba5e52fb | 1017 | factor = roc->GetValue(irow, TMath::Nint(cluster->GetPad())); |
d6920632 | 1018 | } else { // OROC |
83afd539 | 1019 | factor = roc->GetValue(irow - row0, TMath::Nint(cluster->GetPad())); |
d6920632 | 1020 | } |
ba5e52fb | 1021 | if (factor>0.5) gainPad=factor; |
7cd8ac3f | 1022 | } |
ba5e52fb | 1023 | // |
1024 | //do position and angular normalization | |
1025 | // | |
1026 | if (shapeNorm){ | |
1027 | if (type<=1){ | |
1028 | // | |
1029 | AliTPCTrackerPoint * point = GetTrackPoint(irow); | |
1030 | Float_t ty = TMath::Abs(point->GetAngleY()); | |
83afd539 | 1031 | Float_t tz = TMath::Abs(point->GetAngleZ()*TMath::Sqrt(1+ty*ty)); |
ba5e52fb | 1032 | |
1033 | Float_t dr = (250.-TMath::Abs(cluster->GetZ()))/250.; | |
1034 | corrShape = parcl->Qnorm(ipad,type,dr,ty,tz); | |
1035 | } | |
0a65832b | 1036 | } |
ba5e52fb | 1037 | |
8a92e133 | 1038 | if (posNorm>0){ |
8e1dcdda | 1039 | // |
ba5e52fb | 1040 | // Do position normalization - relative distance to |
1041 | // center of pad- time bin | |
1042 | // Work in progress | |
022a2383 | 1043 | // corrPos = parcl->QnormPos(ipad,type, cluster->GetPad(), |
1044 | // cluster->GetTimeBin(), cluster->GetZ(), | |
1045 | // cluster->GetSigmaY2(),cluster->GetSigmaZ2(), | |
1046 | // cluster->GetMax(),cluster->GetQ()); | |
8a92e133 | 1047 | // scaled response function |
1048 | Float_t yres0 = parcl->GetRMS0(0,ipad,0,0)/param->GetPadPitchWidth(cluster->GetDetector()); | |
1049 | Float_t zres0 = parcl->GetRMS0(1,ipad,0,0)/param->GetZWidth(); | |
1050 | // | |
1051 | ||
022a2383 | 1052 | AliTPCTrackerPoint * point = GetTrackPoint(irow); |
1053 | Float_t ty = TMath::Abs(point->GetAngleY()); | |
1054 | Float_t tz = TMath::Abs(point->GetAngleZ()*TMath::Sqrt(1+ty*ty)); | |
1055 | ||
1056 | if (type==1) corrPos = | |
1057 | parcl->QmaxCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
8a92e133 | 1058 | cluster->GetTimeBin(),ty,tz,yres0,zres0,0.4); |
022a2383 | 1059 | if (type==0) corrPos = |
1060 | parcl->QtotCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
8a92e133 | 1061 | cluster->GetTimeBin(),ty,tz,yres0,zres0,cluster->GetQ(),2.5,0.4); |
1062 | if (posNorm==3){ | |
1063 | Float_t dr = (250.-TMath::Abs(cluster->GetZ()))/250.; | |
1064 | Double_t signtgl = (cluster->GetZ()*point->GetAngleZ()>0)? 1:-1; | |
1065 | Double_t p2 = TMath::Abs(TMath::Sin(TMath::ATan(ty))); | |
1066 | Float_t corrHis = parcl->QnormHis(ipad,type,dr,p2,TMath::Abs(point->GetAngleZ())*signtgl); | |
1067 | if (corrHis>0) corrPos*=corrHis; | |
1068 | } | |
1069 | ||
8e1dcdda | 1070 | } |
1071 | ||
ba5e52fb | 1072 | if (padNorm==1){ |
1073 | //taken from OCDB | |
798017c7 | 1074 | if (type==0 && parcl->QpadTnorm()) corrPadType = (*parcl->QpadTnorm())[ipad]; |
1075 | if (type==1 && parcl->QpadMnorm()) corrPadType = (*parcl->QpadMnorm())[ipad]; | |
022a2383 | 1076 | |
2fc9608f | 1077 | } |
ba5e52fb | 1078 | if (padNorm==2){ |
1079 | corrPadType =param->GetPadPitchLength(cluster->GetDetector(),cluster->GetRow()); | |
1080 | //use hardwired - temp fix | |
1081 | if (type==0) corrNorm=3.; | |
1082 | if (type==1) corrNorm=1.; | |
1083 | } | |
1084 | // | |
00e32b66 | 1085 | // |
ba5e52fb | 1086 | amp[ncl]=charge; |
00e32b66 | 1087 | amp[ncl]/=gainGG; // normalized gas gain |
1088 | amp[ncl]/=gainPad; // | |
ba5e52fb | 1089 | amp[ncl]/=corrShape; |
1090 | amp[ncl]/=corrPadType; | |
1091 | amp[ncl]/=corrPos; | |
1092 | amp[ncl]/=corrNorm; | |
1093 | // | |
0a65832b | 1094 | ncl++; |
1095 | } | |
8076baa0 | 1096 | |
0a65832b | 1097 | if (type>3) return ncl; |
1098 | TMath::Sort(ncl,amp, indexes, kFALSE); | |
1099 | ||
8076baa0 | 1100 | if (ncl<10) return 0; |
0a65832b | 1101 | |
1102 | Float_t suma=0; | |
83afd539 | 1103 | Float_t suma2=0; |
0a65832b | 1104 | Float_t sumn=0; |
1105 | Int_t icl0=TMath::Nint(ncl*low); | |
1106 | Int_t icl1=TMath::Nint(ncl*up); | |
1107 | for (Int_t icl=icl0; icl<icl1;icl++){ | |
1108 | suma+=amp[indexes[icl]]; | |
83afd539 | 1109 | suma2+=amp[indexes[icl]]*amp[indexes[icl]]; |
0a65832b | 1110 | sumn++; |
1111 | } | |
83afd539 | 1112 | Float_t mean =suma/sumn; |
1113 | Float_t rms =TMath::Sqrt(TMath::Abs(suma2/sumn-mean*mean)); | |
3af3fbc4 | 1114 | // |
1115 | // do time-dependent correction for pressure and temperature variations | |
1116 | UInt_t runNumber = 1; | |
1117 | Float_t corrTimeGain = 1; | |
1118 | AliTPCTransform * trans = AliTPCcalibDB::Instance()->GetTransform(); | |
e5e80ff9 | 1119 | const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam(); |
1120 | if (trans && recoParam->GetUseGainCorrectionTime()>0) { | |
3af3fbc4 | 1121 | runNumber = trans->GetCurrentRunNumber(); |
e5e80ff9 | 1122 | //AliTPCcalibDB::Instance()->SetRun(runNumber); |
a2c3785e | 1123 | TObjArray * timeGainSplines = AliTPCcalibDB::Instance()->GetTimeGainSplinesRun(runNumber); |
3af3fbc4 | 1124 | if (timeGainSplines) { |
1125 | UInt_t time = trans->GetCurrentTimeStamp(); | |
1126 | AliSplineFit * fitMIP = (AliSplineFit *) timeGainSplines->At(0); | |
1127 | AliSplineFit * fitFPcosmic = (AliSplineFit *) timeGainSplines->At(1); | |
1128 | if (fitMIP) { | |
108a67db | 1129 | corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitMIP, time);/*fitMIP->Eval(time);*/ |
3af3fbc4 | 1130 | } else { |
108a67db | 1131 | if (fitFPcosmic) corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitFPcosmic, time);/*fitFPcosmic->Eval(time);*/ |
3af3fbc4 | 1132 | } |
1133 | } | |
1134 | } | |
1135 | mean /= corrTimeGain; | |
1136 | rms /= corrTimeGain; | |
1137 | // | |
83afd539 | 1138 | if (returnVal==1) return rms; |
8a92e133 | 1139 | if (returnVal==2) return ncl; |
1140 | return mean; | |
1141 | } | |
1142 | ||
19e8ad6c | 1143 | 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){ |
8a92e133 | 1144 | |
1145 | // | |
1146 | // calculates dedx using the cluster | |
1147 | // low - up specify trunc mean range - default form 0-0.7 | |
1148 | // type - 1 - max charge or 0- total charge in cluster | |
1149 | // //2- max no corr 3- total+ correction | |
1150 | // i1-i2 - the pad-row range used for calculation | |
1151 | // | |
1152 | // posNorm - usage of pos normalization | |
6feb400f | 1153 | // returnVal - 0 return mean |
1154 | // - 1 return RMS | |
1155 | // - 2 return number of clusters | |
1156 | // - 3 ratio | |
1157 | // - 4 mean upper half | |
1158 | // - 5 mean - lower half | |
1159 | // - 6 third moment | |
1160 | // mode - 0 - linear | |
1161 | // - 1 - logatithmic | |
2efc897f | 1162 | // rowThres - number of rows before and after given pad row to check for clusters below threshold |
8a92e133 | 1163 | // |
1164 | // normalization parametrization taken from AliTPCClusterParam | |
1165 | // | |
19e8ad6c | 1166 | if (returnVec) returnVec->ResizeTo(10); |
1167 | ||
8a92e133 | 1168 | AliTPCClusterParam * parcl = AliTPCcalibDB::Instance()->GetClusterParam(); |
1169 | AliTPCParam * param = AliTPCcalibDB::Instance()->GetParameters(); | |
1170 | if (!parcl) return 0; | |
1171 | if (!param) return 0; | |
1172 | Int_t row0 = param->GetNRowLow(); | |
1173 | Int_t row1 = row0+param->GetNRowUp1(); | |
1174 | ||
1175 | Float_t amp[160]; | |
1176 | Int_t indexes[160]; | |
1177 | Int_t ncl=0; | |
2efc897f | 1178 | Int_t nclBelowThr = 0; // counts number of clusters below threshold |
8a92e133 | 1179 | // |
1180 | // | |
1181 | Float_t gainGG = 1; // gas gain factor -always enabled | |
1182 | Float_t gainPad = 1; // gain map - used always | |
1183 | Float_t corrPos = 1; // local position correction - if posNorm enabled | |
8a92e133 | 1184 | // |
1185 | // | |
1186 | // | |
1187 | if (AliTPCcalibDB::Instance()->GetParameters()){ | |
1188 | gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000; //relative gas gain | |
1189 | } | |
649fcc43 | 1190 | // |
1191 | // extract time-dependent correction for pressure and temperature variations | |
1192 | // | |
1193 | UInt_t runNumber = 1; | |
1194 | Float_t corrTimeGain = 1; | |
1195 | TObjArray * timeGainSplines = 0x0; | |
1196 | TGraphErrors * grPadEqual = 0x0; | |
7e3e1a9c | 1197 | TGraphErrors* grChamberGain[3]={0x0,0x0,0x0}; |
649fcc43 | 1198 | // |
1199 | AliTPCTransform * trans = AliTPCcalibDB::Instance()->GetTransform(); | |
1200 | const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam(); | |
6d64657a | 1201 | // |
00e32b66 | 1202 | if (recoParam->GetNeighborRowsDedx() == 0) rowThres = 0; |
1203 | UInt_t time = 1;// | |
6d64657a | 1204 | // |
649fcc43 | 1205 | if (trans) { |
2efc897f | 1206 | runNumber = trans->GetCurrentRunNumber(); |
1207 | //AliTPCcalibDB::Instance()->SetRun(runNumber); | |
1208 | timeGainSplines = AliTPCcalibDB::Instance()->GetTimeGainSplinesRun(runNumber); | |
1209 | if (timeGainSplines && recoParam->GetUseGainCorrectionTime()>0) { | |
00e32b66 | 1210 | time = trans->GetCurrentTimeStamp(); |
2efc897f | 1211 | AliSplineFit * fitMIP = (AliSplineFit *) timeGainSplines->At(0); |
1212 | AliSplineFit * fitFPcosmic = (AliSplineFit *) timeGainSplines->At(1); | |
1213 | if (fitMIP) { | |
1214 | corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitMIP, time); /*fitMIP->Eval(time);*/ | |
649fcc43 | 1215 | } else { |
2efc897f | 1216 | if (fitFPcosmic) corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitFPcosmic, time); /*fitFPcosmic->Eval(time); */ |
1217 | } | |
649fcc43 | 1218 | // |
1219 | if (type==1) grPadEqual = (TGraphErrors * ) timeGainSplines->FindObject("TGRAPHERRORS_MEANQMAX_PADREGIONGAIN_BEAM_ALL"); | |
1220 | if (type==0) grPadEqual = (TGraphErrors * ) timeGainSplines->FindObject("TGRAPHERRORS_MEANQTOT_PADREGIONGAIN_BEAM_ALL"); | |
7e3e1a9c | 1221 | const char* names[3]={"SHORT","MEDIUM","LONG"}; |
1222 | for (Int_t iPadRegion=0; iPadRegion<3; ++iPadRegion) | |
1223 | grChamberGain[iPadRegion]=(TGraphErrors*)timeGainSplines->FindObject(Form("TGRAPHERRORS_MEAN_CHAMBERGAIN_%s_BEAM_ALL",names[iPadRegion])); | |
2efc897f | 1224 | } |
7e3e1a9c | 1225 | } |
2efc897f | 1226 | |
1227 | const Float_t kClusterShapeCut = 1.5; // IMPPRTANT TO DO: move value to AliTPCRecoParam | |
8a92e133 | 1228 | const Float_t ktany = TMath::Tan(TMath::DegToRad()*10); |
1229 | const Float_t kedgey =3.; | |
1230 | // | |
1231 | // | |
1232 | for (Int_t irow=i1; irow<i2; irow++){ | |
1233 | AliTPCclusterMI* cluster = GetClusterPointer(irow); | |
736a5826 | 1234 | if (!cluster && irow > 1 && irow < 157) { |
2efc897f | 1235 | Bool_t isClBefore = kFALSE; |
1236 | Bool_t isClAfter = kFALSE; | |
1237 | for(Int_t ithres = 1; ithres <= rowThres; ithres++) { | |
1238 | AliTPCclusterMI * clusterBefore = GetClusterPointer(irow - ithres); | |
1239 | if (clusterBefore) isClBefore = kTRUE; | |
1240 | AliTPCclusterMI * clusterAfter = GetClusterPointer(irow + ithres); | |
1241 | if (clusterAfter) isClAfter = kTRUE; | |
1242 | } | |
1243 | if (isClBefore && isClAfter) nclBelowThr++; | |
2efc897f | 1244 | } |
736a5826 | 1245 | if (!cluster) continue; |
2efc897f | 1246 | // |
1247 | // | |
8a92e133 | 1248 | if (TMath::Abs(cluster->GetY())>cluster->GetX()*ktany-kedgey) continue; // edge cluster |
2efc897f | 1249 | // |
1250 | AliTPCTrackerPoint * point = GetTrackPoint(irow); | |
1251 | if (point==0) continue; | |
1252 | Float_t rsigmay = TMath::Sqrt(point->GetSigmaY()); | |
1253 | if (rsigmay > kClusterShapeCut) continue; | |
1254 | // | |
1255 | if (cluster->IsUsed(11)) continue; // remove shared clusters for PbPb | |
1256 | // | |
8a92e133 | 1257 | Float_t charge= (type%2)? cluster->GetMax():cluster->GetQ(); |
1258 | Int_t ipad= 0; | |
1259 | if (irow>=row0) ipad=1; | |
1260 | if (irow>=row1) ipad=2; | |
1261 | // | |
1262 | // | |
1263 | // | |
1264 | AliTPCCalPad * gainMap = AliTPCcalibDB::Instance()->GetDedxGainFactor(); | |
1265 | if (gainMap) { | |
1266 | // | |
1267 | // Get gainPad - pad by pad calibration | |
1268 | // | |
1269 | Float_t factor = 1; | |
1270 | AliTPCCalROC * roc = gainMap->GetCalROC(cluster->GetDetector()); | |
1271 | if (irow < row0) { // IROC | |
1272 | factor = roc->GetValue(irow, TMath::Nint(cluster->GetPad())); | |
1273 | } else { // OROC | |
1274 | factor = roc->GetValue(irow - row0, TMath::Nint(cluster->GetPad())); | |
1275 | } | |
2efc897f | 1276 | if (factor>0.3) gainPad=factor; |
8a92e133 | 1277 | } |
8a92e133 | 1278 | // |
1279 | // Do position normalization - relative distance to | |
1280 | // center of pad- time bin | |
1281 | ||
8a92e133 | 1282 | Float_t ty = TMath::Abs(point->GetAngleY()); |
1283 | Float_t tz = TMath::Abs(point->GetAngleZ()*TMath::Sqrt(1+ty*ty)); | |
1284 | Float_t yres0 = parcl->GetRMS0(0,ipad,0,0)/param->GetPadPitchWidth(cluster->GetDetector()); | |
1285 | Float_t zres0 = parcl->GetRMS0(1,ipad,0,0)/param->GetZWidth(); | |
1286 | ||
1287 | yres0 *=parcl->GetQnormCorr(ipad, type,0); | |
1288 | zres0 *=parcl->GetQnormCorr(ipad, type,1); | |
1289 | Float_t effLength=parcl->GetQnormCorr(ipad, type,4)*0.5; | |
1290 | Float_t effDiff =(parcl->GetQnormCorr(ipad, type,2)+parcl->GetQnormCorr(ipad, type,3))*0.5; | |
1291 | // | |
1292 | if (type==1) { | |
1293 | corrPos = parcl->GetQnormCorr(ipad, type,5)* | |
1294 | parcl->QmaxCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
1295 | cluster->GetTimeBin(),ty,tz,yres0,zres0,effLength,effDiff); | |
1296 | Float_t drm = 0.5-TMath::Abs(cluster->GetZ()/250.); | |
1297 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,0)*drm); | |
1298 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,1)*ty*ty); | |
1299 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,2)*tz*tz); | |
1300 | // | |
1301 | } | |
1302 | if (type==0) { | |
1303 | corrPos = parcl->GetQnormCorr(ipad, type,5)* | |
1304 | parcl->QtotCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
1305 | cluster->GetTimeBin(),ty,tz,yres0,zres0,cluster->GetQ(),2.5,effLength,effDiff); | |
1306 | ||
1307 | Float_t drm = 0.5-TMath::Abs(cluster->GetZ()/250.); | |
1308 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,0)*drm); | |
1309 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,1)*ty*ty); | |
1310 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,2)*tz*tz); | |
1311 | // | |
1312 | } | |
2efc897f | 1313 | // |
1314 | // pad region equalization outside of cluster param | |
1315 | // | |
1316 | Float_t gainEqualPadRegion = 1; | |
7e3e1a9c | 1317 | if (grPadEqual && recoParam->GetUseGainCorrectionTime()>0) gainEqualPadRegion = grPadEqual->Eval(ipad); |
1318 | // | |
1319 | // chamber-by-chamber equalization outside gain map | |
1320 | // | |
1321 | Float_t gainChamber = 1; | |
3d674021 | 1322 | if (grChamberGain[ipad] && recoParam->GetUseGainCorrectionTime()>0) { |
1323 | gainChamber = grChamberGain[ipad]->Eval(cluster->GetDetector()); | |
1324 | if (gainChamber==0) gainChamber=1; // in case old calibation was used before use no correction | |
1325 | } | |
8a92e133 | 1326 | // |
00e32b66 | 1327 | // |
1328 | // | |
1329 | Double_t correctionHVandPT = AliTPCcalibDB::Instance()->GetGainCorrectionHVandPT(time, runNumber,cluster->GetDetector(), 5 , recoParam->GetGainCorrectionHVandPTMode()); | |
1330 | // | |
8a92e133 | 1331 | amp[ncl]=charge; |
00e32b66 | 1332 | amp[ncl]/=gainGG; // nominal gas gain |
1333 | amp[ncl]/=correctionHVandPT; // correction for the HV and P/T - time dependent | |
1334 | amp[ncl]/=gainPad; // | |
8a92e133 | 1335 | amp[ncl]/=corrPos; |
2efc897f | 1336 | amp[ncl]/=gainEqualPadRegion; |
7e3e1a9c | 1337 | amp[ncl]/=gainChamber; |
8a92e133 | 1338 | // |
1339 | ncl++; | |
1340 | } | |
1341 | ||
6feb400f | 1342 | if (type==2) return ncl; |
8a92e133 | 1343 | TMath::Sort(ncl,amp, indexes, kFALSE); |
2efc897f | 1344 | // |
8a92e133 | 1345 | if (ncl<10) return 0; |
2efc897f | 1346 | // |
1347 | Double_t * ampWithBelow = new Double_t[ncl + nclBelowThr]; | |
1348 | for(Int_t iCl = 0; iCl < ncl + nclBelowThr; iCl++) { | |
1349 | if (iCl < nclBelowThr) { | |
1350 | ampWithBelow[iCl] = amp[indexes[0]]; | |
1351 | } else { | |
1352 | ampWithBelow[iCl] = amp[indexes[iCl - nclBelowThr]]; | |
1353 | } | |
1354 | } | |
1355 | //printf("DEBUG: %i shit %f", nclBelowThr, amp[indexes[0]]); | |
1356 | // | |
8a92e133 | 1357 | Float_t suma=0; |
1358 | Float_t suma2=0; | |
6feb400f | 1359 | Float_t suma3=0; |
1360 | Float_t sumaS=0; | |
8a92e133 | 1361 | Float_t sumn=0; |
6feb400f | 1362 | // upper,and lower part statistic |
1363 | Float_t sumL=0, sumL2=0, sumLN=0; | |
1364 | Float_t sumD=0, sumD2=0, sumDN=0; | |
1365 | ||
2efc897f | 1366 | Int_t icl0=TMath::Nint((ncl + nclBelowThr)*low); |
1367 | Int_t icl1=TMath::Nint((ncl + nclBelowThr)*up); | |
6feb400f | 1368 | Int_t iclm=TMath::Nint((ncl + nclBelowThr)*(low +(up+low)*0.5)); |
1369 | // | |
8a92e133 | 1370 | for (Int_t icl=icl0; icl<icl1;icl++){ |
6feb400f | 1371 | if (ampWithBelow[icl]<0.1) continue; |
504dd8df | 1372 | Double_t camp=ampWithBelow[icl]/corrTimeGain; |
1373 | if (mode==1) camp= TMath::Log(camp); | |
6feb400f | 1374 | if (icl<icl1){ |
504dd8df | 1375 | suma+=camp; |
1376 | suma2+=camp*camp; | |
1377 | suma3+=camp*camp*camp; | |
1378 | sumaS+=TMath::Power(TMath::Abs(camp),1./3.); | |
6feb400f | 1379 | sumn++; |
1380 | } | |
1381 | if (icl>iclm){ | |
504dd8df | 1382 | sumL+=camp; |
1383 | sumL2+=camp*camp; | |
6feb400f | 1384 | sumLN++; |
1385 | } | |
1386 | if (icl<=iclm){ | |
504dd8df | 1387 | sumD+=camp; |
1388 | sumD2+=camp*camp; | |
6feb400f | 1389 | sumDN++; |
1390 | } | |
8a92e133 | 1391 | } |
0f7547f1 | 1392 | // |
1393 | Float_t mean = 0; | |
1394 | Float_t meanL = 0; | |
1395 | Float_t meanD = 0; // lower half mean | |
1396 | if (sumn > 1e-30) mean =suma/sumn; | |
1397 | if (sumLN > 1e-30) meanL =sumL/sumLN; | |
1398 | if (sumDN > 1e-30) meanD =(sumD/sumDN); | |
1399 | /* | |
8a92e133 | 1400 | Float_t mean =suma/sumn; |
6feb400f | 1401 | Float_t meanL = sumL/sumLN; |
1402 | Float_t meanD =(sumD/sumDN); // lower half mean | |
0f7547f1 | 1403 | */ |
28273e26 | 1404 | |
1405 | Float_t rms = 0; | |
1406 | Float_t mean2=0; | |
1407 | Float_t mean3=0; | |
1408 | Float_t meanS=0; | |
1409 | ||
1410 | if(sumn>0){ | |
1411 | rms = TMath::Sqrt(TMath::Abs(suma2/sumn-mean*mean)); | |
1412 | mean2=suma2/sumn; | |
1413 | mean3=suma3/sumn; | |
1414 | meanS=sumaS/sumn; | |
1415 | } | |
1416 | ||
6feb400f | 1417 | if (mean2>0) mean2=TMath::Power(TMath::Abs(mean2),1./2.); |
1418 | if (mean3>0) mean3=TMath::Power(TMath::Abs(mean3),1./3.); | |
1419 | if (meanS>0) meanS=TMath::Power(TMath::Abs(meanS),3.); | |
3af3fbc4 | 1420 | // |
6feb400f | 1421 | if (mode==1) mean=TMath::Exp(mean); |
1422 | if (mode==1) meanL=TMath::Exp(meanL); // upper truncation | |
1423 | if (mode==1) meanD=TMath::Exp(meanD); // lower truncation | |
1424 | // | |
19e8ad6c | 1425 | delete [] ampWithBelow; //return? |
6feb400f | 1426 | |
1427 | ||
3af3fbc4 | 1428 | // |
19e8ad6c | 1429 | if(returnVec){ |
1430 | (*returnVec)(0) = mean; | |
1431 | (*returnVec)(1) = rms; | |
1432 | (*returnVec)(2) = ncl; | |
1433 | (*returnVec)(3) = Double_t(nclBelowThr)/Double_t(nclBelowThr+ncl); | |
1434 | (*returnVec)(4) = meanL; | |
1435 | (*returnVec)(5) = meanD; | |
1436 | (*returnVec)(6) = mean2; | |
1437 | (*returnVec)(7) = mean3; | |
1438 | (*returnVec)(8) = meanS; | |
1439 | (*returnVec)(9) = nclBelowThr; | |
1440 | } | |
1441 | ||
8a92e133 | 1442 | if (returnVal==1) return rms; |
83afd539 | 1443 | if (returnVal==2) return ncl; |
6feb400f | 1444 | if (returnVal==3) return Double_t(nclBelowThr)/Double_t(nclBelowThr+ncl); |
1445 | if (returnVal==4) return meanL; | |
1446 | if (returnVal==5) return meanD; | |
1447 | if (returnVal==6) return mean2; | |
1448 | if (returnVal==7) return mean3; | |
1449 | if (returnVal==8) return meanS; | |
19e8ad6c | 1450 | if (returnVal==9) return nclBelowThr; |
83afd539 | 1451 | return mean; |
0a65832b | 1452 | } |
1453 | ||
83afd539 | 1454 | |
0a65832b | 1455 | |
1456 | ||
eb02f63a | 1457 | Float_t AliTPCseed::CookShape(Int_t type){ |
1458 | // | |
1459 | // | |
1460 | // | |
1461 | //----------------------------------------------------------------- | |
1462 | // This funtion calculates dE/dX within the "low" and "up" cuts. | |
1463 | //----------------------------------------------------------------- | |
1464 | Float_t means=0; | |
1465 | Float_t meanc=0; | |
1466 | for (Int_t i =0; i<160;i++) { | |
1467 | AliTPCTrackerPoint * point = GetTrackPoint(i); | |
1468 | if (point==0) continue; | |
1469 | ||
1470 | AliTPCclusterMI * cl = fClusterPointer[i]; | |
1471 | if (cl==0) continue; | |
1472 | ||
1473 | Float_t rsigmay = TMath::Sqrt(point->GetSigmaY()); | |
1474 | Float_t rsigmaz = TMath::Sqrt(point->GetSigmaZ()); | |
1475 | Float_t rsigma = (rsigmay+rsigmaz)*0.5; | |
1476 | if (type==0) means+=rsigma; | |
1477 | if (type==1) means+=rsigmay; | |
1478 | if (type==2) means+=rsigmaz; | |
1479 | meanc++; | |
1480 | } | |
1481 | Float_t mean = (meanc>0)? means/meanc:0; | |
1482 | return mean; | |
1483 | } | |
87e92a27 | 1484 | |
1485 | ||
1486 | ||
1487 | Int_t AliTPCseed::RefitTrack(AliTPCseed *seed, AliExternalTrackParam * parin, AliExternalTrackParam * parout){ | |
1488 | // | |
1489 | // Refit the track | |
1490 | // return value - number of used clusters | |
1491 | // | |
1492 | // | |
1493 | const Int_t kMinNcl =10; | |
1494 | AliTPCseed *track=new AliTPCseed(*seed); | |
1495 | Int_t sector=-1; | |
1496 | // reset covariance | |
1497 | // | |
1498 | Double_t covar[15]; | |
1499 | for (Int_t i=0;i<15;i++) covar[i]=0; | |
1500 | covar[0]=10.*10.; | |
1501 | covar[2]=10.*10.; | |
1502 | covar[5]=10.*10./(64.*64.); | |
1503 | covar[9]=10.*10./(64.*64.); | |
1504 | covar[14]=1*1; | |
1505 | // | |
1506 | ||
1507 | Float_t xmin=1000, xmax=-10000; | |
1508 | Int_t imin=158, imax=0; | |
1509 | for (Int_t i=0;i<160;i++) { | |
1510 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1791d824 | 1511 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; |
87e92a27 | 1512 | if (sector<0) sector = c->GetDetector(); |
1513 | if (c->GetX()<xmin) xmin=c->GetX(); | |
1514 | if (c->GetX()>xmax) xmax=c->GetX(); | |
1515 | if (i<imin) imin=i; | |
1516 | if (i>imax) imax=i; | |
1517 | } | |
1518 | if(imax-imin<kMinNcl) { | |
1519 | delete track; | |
1520 | return 0 ; | |
1521 | } | |
1522 | // Not succes to rotate | |
1523 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1524 | delete track; | |
1525 | return 0; | |
1526 | } | |
1527 | // | |
1528 | // | |
1529 | // fit from inner to outer row | |
1530 | // | |
1531 | AliExternalTrackParam paramIn; | |
1532 | AliExternalTrackParam paramOut; | |
1533 | Bool_t isOK=kTRUE; | |
be34cb88 | 1534 | Int_t ncl=0; |
87e92a27 | 1535 | // |
1536 | // | |
1537 | // | |
1538 | for (Int_t i=imin; i<=imax; i++){ | |
1539 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1791d824 | 1540 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; |
87e92a27 | 1541 | // if (RejectCluster(c,track)) continue; |
be34cb88 | 1542 | sector = (c->GetDetector()%18); |
1543 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1544 | //continue; | |
1545 | } | |
87e92a27 | 1546 | Double_t r[3]={c->GetX(),c->GetY(),c->GetZ()}; |
1547 | Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation | |
1548 | if (!track->PropagateTo(r[0])) { | |
1549 | isOK=kFALSE; | |
87e92a27 | 1550 | } |
1551 | if ( !((static_cast<AliExternalTrackParam*>(track)->Update(&r[1],cov)))) isOK=kFALSE; | |
1552 | } | |
1553 | if (!isOK) { delete track; return 0;} | |
1554 | track->AddCovariance(covar); | |
1555 | // | |
1556 | // | |
1557 | // | |
1558 | for (Int_t i=imax; i>=imin; i--){ | |
1559 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1791d824 | 1560 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; |
87e92a27 | 1561 | //if (RejectCluster(c,track)) continue; |
be34cb88 | 1562 | sector = (c->GetDetector()%18); |
1563 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1564 | //continue; | |
1565 | } | |
87e92a27 | 1566 | Double_t r[3]={c->GetX(),c->GetY(),c->GetZ()}; |
1567 | Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation | |
1568 | if (!track->PropagateTo(r[0])) { | |
1569 | isOK=kFALSE; | |
87e92a27 | 1570 | } |
1571 | if ( !((static_cast<AliExternalTrackParam*>(track)->Update(&r[1],cov)))) isOK=kFALSE; | |
1572 | } | |
be34cb88 | 1573 | //if (!isOK) { delete track; return 0;} |
87e92a27 | 1574 | paramIn = *track; |
1575 | track->AddCovariance(covar); | |
1576 | // | |
1577 | // | |
1578 | for (Int_t i=imin; i<=imax; i++){ | |
1579 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1791d824 | 1580 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; |
be34cb88 | 1581 | sector = (c->GetDetector()%18); |
1582 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1583 | //continue; | |
1584 | } | |
1585 | ncl++; | |
87e92a27 | 1586 | //if (RejectCluster(c,track)) continue; |
1587 | Double_t r[3]={c->GetX(),c->GetY(),c->GetZ()}; | |
1588 | Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation | |
1589 | if (!track->PropagateTo(r[0])) { | |
1590 | isOK=kFALSE; | |
87e92a27 | 1591 | } |
1592 | if ( !((static_cast<AliExternalTrackParam*>(track)->Update(&r[1],cov)))) isOK=kFALSE; | |
1593 | } | |
be34cb88 | 1594 | //if (!isOK) { delete track; return 0;} |
87e92a27 | 1595 | paramOut=*track; |
87e92a27 | 1596 | // |
1597 | // | |
1598 | // | |
1599 | if (parin) (*parin)=paramIn; | |
1600 | if (parout) (*parout)=paramOut; | |
6e23caff | 1601 | delete track; |
be34cb88 | 1602 | return ncl; |
87e92a27 | 1603 | } |
1604 | ||
1605 | ||
1606 | ||
1607 | Bool_t AliTPCseed::RefitTrack(AliTPCseed* /*seed*/, Bool_t /*out*/){ | |
1608 | // | |
1609 | // | |
1610 | // | |
1611 | return kFALSE; | |
1612 | } | |
3247d397 | 1613 | |
1614 | ||
1615 | ||
1616 | ||
1617 | ||
1618 | ||
1619 | void AliTPCseed::GetError(AliTPCclusterMI* cluster, AliExternalTrackParam * param, | |
1620 | Double_t& erry, Double_t &errz) | |
1621 | { | |
1622 | // | |
1623 | // Get cluster error at given position | |
1624 | // | |
1625 | AliTPCClusterParam *clusterParam = AliTPCcalibDB::Instance()->GetClusterParam(); | |
1626 | Double_t tany,tanz; | |
1627 | Double_t snp1=param->GetSnp(); | |
60e55aee | 1628 | tany=snp1/TMath::Sqrt((1.-snp1)*(1.+snp1)); |
3247d397 | 1629 | // |
1630 | Double_t tgl1=param->GetTgl(); | |
60e55aee | 1631 | tanz=tgl1/TMath::Sqrt((1.-snp1)*(1.+snp1)); |
3247d397 | 1632 | // |
1633 | Int_t padSize = 0; // short pads | |
1634 | if (cluster->GetDetector() >= 36) { | |
1635 | padSize = 1; // medium pads | |
1636 | if (cluster->GetRow() > 63) padSize = 2; // long pads | |
1637 | } | |
1638 | ||
1639 | erry = clusterParam->GetError0Par( 0, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tany) ); | |
1640 | errz = clusterParam->GetError0Par( 1, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tanz) ); | |
1641 | } | |
1642 | ||
1643 | ||
1644 | void AliTPCseed::GetShape(AliTPCclusterMI* cluster, AliExternalTrackParam * param, | |
1645 | Double_t& rmsy, Double_t &rmsz) | |
1646 | { | |
1647 | // | |
1648 | // Get cluster error at given position | |
1649 | // | |
1650 | AliTPCClusterParam *clusterParam = AliTPCcalibDB::Instance()->GetClusterParam(); | |
1651 | Double_t tany,tanz; | |
1652 | Double_t snp1=param->GetSnp(); | |
60e55aee | 1653 | tany=snp1/TMath::Sqrt((1.-snp1)*(1.+snp1)); |
3247d397 | 1654 | // |
1655 | Double_t tgl1=param->GetTgl(); | |
60e55aee | 1656 | tanz=tgl1/TMath::Sqrt((1.-snp1)*(1.+snp1)); |
3247d397 | 1657 | // |
1658 | Int_t padSize = 0; // short pads | |
1659 | if (cluster->GetDetector() >= 36) { | |
1660 | padSize = 1; // medium pads | |
1661 | if (cluster->GetRow() > 63) padSize = 2; // long pads | |
1662 | } | |
1663 | ||
1664 | rmsy = clusterParam->GetRMSQ( 0, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tany), TMath::Abs(cluster->GetMax()) ); | |
1665 | rmsz = clusterParam->GetRMSQ( 1, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tanz) ,TMath::Abs(cluster->GetMax())); | |
1666 | } | |
ba5e52fb | 1667 | |
1668 | ||
1669 | ||
1670 | Double_t AliTPCseed::GetQCorrGeom(Float_t ty, Float_t tz){ | |
1671 | //Geoetrical | |
1672 | //ty - tangent in local y direction | |
1673 | //tz - tangent | |
1674 | // | |
1675 | Float_t norm=TMath::Sqrt(1+ty*ty+tz*tz); | |
1676 | return norm; | |
1677 | } | |
1678 | ||
83afd539 | 1679 | 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*/){ |
ba5e52fb | 1680 | // |
1681 | // Q normalization | |
1682 | // | |
1683 | // return value = Q Normalization factor | |
1684 | // Normalization - 1 - shape factor part for full drift | |
1685 | // 1 - electron attachment for 0 drift | |
1686 | ||
1687 | // Input parameters: | |
1688 | // | |
1689 | // ipad - 0 short pad | |
1690 | // 1 medium pad | |
1691 | // 2 long pad | |
1692 | // | |
1693 | // type - 0 qmax | |
1694 | // - 1 qtot | |
1695 | // | |
1696 | //z - z position (-250,250 cm) | |
1697 | //ty - tangent in local y direction | |
1698 | //tz - tangent | |
1699 | // | |
1700 | ||
1701 | AliTPCClusterParam * paramCl = AliTPCcalibDB::Instance()->GetClusterParam(); | |
1702 | AliTPCParam * paramTPC = AliTPCcalibDB::Instance()->GetParameters(); | |
1703 | ||
1704 | if (!paramCl) return 1; | |
1705 | // | |
1706 | Double_t dr = 250.-TMath::Abs(z); | |
1707 | Double_t sy = paramCl->GetRMS0( 0,ipad, dr, TMath::Abs(ty)); | |
1708 | Double_t sy0= paramCl->GetRMS0(0,ipad, 250, 0); | |
1709 | Double_t sz = paramCl->GetRMS0( 1,ipad, dr, TMath::Abs(tz)); | |
1710 | Double_t sz0= paramCl->GetRMS0(1,ipad, 250, 0); | |
1711 | ||
1712 | Double_t sfactorMax = TMath::Sqrt(sy0*sz0/(sy*sz)); | |
1713 | ||
1714 | ||
1715 | Double_t dt = 1000000*(dr/paramTPC->GetDriftV()); //time in microsecond | |
1716 | Double_t attProb = TMath::Exp(-paramTPC->GetAttCoef()*paramTPC->GetOxyCont()*dt); | |
1717 | // | |
1718 | // | |
1719 | if (type==0) return sfactorMax*attProb; | |
1720 | ||
1721 | return attProb; | |
1722 | ||
1723 | ||
1724 | } | |
1725 | ||
64bf5ca0 | 1726 | |
19e8ad6c | 1727 | /* |
64bf5ca0 | 1728 | //_______________________________________________________________________ |
19e8ad6c | 1729 | Float_t AliTPCseed::GetTPCClustInfo(Int_t nNeighbours, Int_t type, Int_t row0, Int_t row1, TVectorT<float> *returnVec) |
64bf5ca0 | 1730 | { |
1731 | // | |
1732 | // TPC cluster information | |
1733 | // type 0: get fraction of found/findable clusters with neighbourhood definition | |
1734 | // 1: found clusters | |
1735 | // 2: findable (number of clusters above and below threshold) | |
1736 | // | |
1737 | // definition of findable clusters: | |
1738 | // a cluster is defined as findable if there is another cluster | |
1739 | // within +- nNeighbours pad rows. The idea is to overcome threshold | |
1740 | // effects with a very simple algorithm. | |
1741 | // | |
1742 | ||
1743 | const Float_t kClusterShapeCut = 1.5; // IMPPRTANT TO DO: move value to AliTPCRecoParam | |
1744 | const Float_t ktany = TMath::Tan(TMath::DegToRad()*10); | |
1745 | const Float_t kedgey =3.; | |
1746 | ||
1747 | Float_t ncl = 0; | |
1748 | Float_t nclBelowThr = 0; // counts number of clusters below threshold | |
1749 | ||
1750 | for (Int_t irow=row0; irow<row1; irow++){ | |
1751 | AliTPCclusterMI* cluster = GetClusterPointer(irow); | |
1752 | ||
1753 | if (!cluster && irow > 1 && irow < 157) { | |
1754 | Bool_t isClBefore = kFALSE; | |
1755 | Bool_t isClAfter = kFALSE; | |
1756 | for(Int_t ithres = 1; ithres <= nNeighbours; ithres++) { | |
1757 | AliTPCclusterMI * clusterBefore = GetClusterPointer(irow - ithres); | |
1758 | if (clusterBefore) isClBefore = kTRUE; | |
1759 | AliTPCclusterMI * clusterAfter = GetClusterPointer(irow + ithres); | |
1760 | if (clusterAfter) isClAfter = kTRUE; | |
1761 | } | |
1762 | if (isClBefore && isClAfter) nclBelowThr++; | |
1763 | } | |
1764 | if (!cluster) continue; | |
1765 | // | |
1766 | // | |
1767 | if (TMath::Abs(cluster->GetY())>cluster->GetX()*ktany-kedgey) continue; // edge cluster | |
1768 | // | |
1769 | AliTPCTrackerPoint * point = GetTrackPoint(irow); | |
1770 | if (point==0) continue; | |
1771 | Float_t rsigmay = TMath::Sqrt(point->GetSigmaY()); | |
1772 | if (rsigmay > kClusterShapeCut) continue; | |
1773 | // | |
1774 | if (cluster->IsUsed(11)) continue; // remove shared clusters for PbPb | |
1775 | ncl++; | |
1776 | } | |
19e8ad6c | 1777 | if(returnVec->GetNoElements != 3){ |
1778 | returnVec->ResizeTo(3); | |
1779 | } | |
1780 | Float_t nclAll = nclBelowThr+ncl; | |
1781 | returnVec(0) = nclAll>0?ncl/nclAll:0; | |
1782 | returnVec(1) = ncl; | |
1783 | returnVec(2) = nclAll; | |
64bf5ca0 | 1784 | |
1785 | if(ncl<10) | |
1786 | return 0; | |
1787 | if(type==0) | |
19e8ad6c | 1788 | if(nclAll>0) |
1789 | return ncl/nclAll; | |
64bf5ca0 | 1790 | if(type==1) |
1791 | return ncl; | |
1792 | if(type==2) | |
19e8ad6c | 1793 | return nclAll; |
64bf5ca0 | 1794 | return 0; |
1795 | } | |
19e8ad6c | 1796 | */ |
1791d824 | 1797 | //_______________________________________________________________________ |
1798 | Int_t AliTPCseed::GetNumberOfClustersIndices() { | |
1799 | Int_t ncls = 0; | |
1800 | for (int i=0; i < 160; i++) { | |
1801 | if ((fIndex[i] & 0x8000) == 0) | |
1802 | ncls++; | |
1803 | } | |
1804 | return ncls; | |
1805 | } | |
f06a1ff6 | 1806 | |
1807 | //_______________________________________________________________________ | |
1808 | void AliTPCseed::Clear(Option_t*) | |
1809 | { | |
1810 | // formally seed may allocate memory for clusters (althought this should not happen for | |
1811 | // the seeds in the pool). Hence we need this method for fwd. compatibility | |
1812 | if (fClusterOwner) for (int i=160;i--;) {delete fClusterPointer[i]; fClusterPointer[i] = 0;} | |
1813 | } | |
24aea01c | 1814 | |
19e8ad6c | 1815 | TObject* AliTPCseed::Clone(const char* /*newname*/) const |
24aea01c | 1816 | { |
1817 | // temporary override TObject::Clone to avoid crashes in reco | |
1818 | AliTPCseed* src = (AliTPCseed*)this; | |
1819 | AliTPCseed* dst = new AliTPCseed(*src,fClusterOwner); | |
1820 | return dst; | |
1821 | } |