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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 |
22 | // This class is used by the AliTPCtrackerMI class | |
23 | // Origin: Marian Ivanov, CERN, Marian.Ivanov@cern.ch | |
24 | //----------------------------------------------------------------- | |
25 | #include "TClonesArray.h" | |
2efc897f | 26 | #include "TGraphErrors.h" |
81e97e0d | 27 | #include "AliTPCseed.h" |
3f82c4f2 | 28 | #include "AliTPCReconstructor.h" |
0a65832b | 29 | #include "AliTPCClusterParam.h" |
7cd8ac3f | 30 | #include "AliTPCCalPad.h" |
31 | #include "AliTPCCalROC.h" | |
37540068 | 32 | #include "AliTPCcalibDB.h" |
d080e4a4 | 33 | #include "AliTPCParam.h" |
5731b051 | 34 | #include "AliMathBase.h" |
3af3fbc4 | 35 | #include "AliTPCTransform.h" |
36 | #include "AliSplineFit.h" | |
37 | #include "AliCDBManager.h" | |
108a67db | 38 | #include "AliTPCcalibDButil.h" |
7cd8ac3f | 39 | |
81e97e0d | 40 | |
41 | ClassImp(AliTPCseed) | |
42 | ||
43 | ||
44 | ||
32fab534 | 45 | AliTPCseed::AliTPCseed(): |
46 | AliTPCtrack(), | |
47 | fEsd(0x0), | |
2928bdf0 | 48 | fClusterOwner(kFALSE), |
32fab534 | 49 | fRow(0), |
50 | fSector(-1), | |
51 | fRelativeSector(-1), | |
52 | fCurrentSigmaY2(1e10), | |
53 | fCurrentSigmaZ2(1e10), | |
e0e13b88 | 54 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% |
55 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
c07cb486 | 56 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% |
57 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
e0e13b88 | 58 | // |
32fab534 | 59 | fErrorY2(1e10), |
60 | fErrorZ2(1e10), | |
61 | fCurrentCluster(0x0), | |
62 | fCurrentClusterIndex1(-1), | |
63 | fInDead(kFALSE), | |
64 | fIsSeeding(kFALSE), | |
65 | fNoCluster(0), | |
66 | fSort(0), | |
67 | fBSigned(kFALSE), | |
68 | fSeedType(0), | |
69 | fSeed1(-1), | |
70 | fSeed2(-1), | |
71 | fMAngular(0), | |
ddfbc51a | 72 | fCircular(0), |
73 | fPoolID(-1) | |
32fab534 | 74 | { |
81e97e0d | 75 | // |
5c09947e | 76 | for (Int_t i=0;i<160;i++) SetClusterIndex2(i,-3); |
81e97e0d | 77 | for (Int_t i=0;i<160;i++) fClusterPointer[i]=0; |
78 | for (Int_t i=0;i<3;i++) fKinkIndexes[i]=0; | |
32fab534 | 79 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTPCr[i]=0.2; |
80 | for (Int_t i=0;i<4;i++) { | |
81 | fDEDX[i] = 0.; | |
82 | fSDEDX[i] = 1e10; | |
83 | fNCDEDX[i] = 0; | |
9c0db267 | 84 | fNCDEDXInclThres[i] = 0; |
32fab534 | 85 | } |
9c0db267 | 86 | fDEDX[4] = 0; |
32fab534 | 87 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = -1; |
81e97e0d | 88 | } |
32fab534 | 89 | |
2928bdf0 | 90 | AliTPCseed::AliTPCseed(const AliTPCseed &s, Bool_t clusterOwner): |
32fab534 | 91 | AliTPCtrack(s), |
92 | fEsd(0x0), | |
2928bdf0 | 93 | fClusterOwner(clusterOwner), |
32fab534 | 94 | fRow(0), |
95 | fSector(-1), | |
96 | fRelativeSector(-1), | |
c07cb486 | 97 | fCurrentSigmaY2(-1), |
98 | fCurrentSigmaZ2(-1), | |
e0e13b88 | 99 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% |
100 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
c07cb486 | 101 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% |
102 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
32fab534 | 103 | fErrorY2(1e10), |
104 | fErrorZ2(1e10), | |
105 | fCurrentCluster(0x0), | |
106 | fCurrentClusterIndex1(-1), | |
107 | fInDead(kFALSE), | |
108 | fIsSeeding(kFALSE), | |
109 | fNoCluster(0), | |
110 | fSort(0), | |
111 | fBSigned(kFALSE), | |
112 | fSeedType(0), | |
113 | fSeed1(-1), | |
114 | fSeed2(-1), | |
115 | fMAngular(0), | |
ddfbc51a | 116 | fCircular(0), |
117 | fPoolID(-1) | |
32fab534 | 118 | { |
81e97e0d | 119 | //--------------------- |
120 | // dummy copy constructor | |
121 | //------------------------- | |
2928bdf0 | 122 | for (Int_t i=0;i<160;i++) { |
123 | fClusterPointer[i]=0; | |
124 | if (fClusterOwner){ | |
125 | if (s.fClusterPointer[i]) | |
126 | fClusterPointer[i] = new AliTPCclusterMI(*(s.fClusterPointer[i])); | |
127 | }else{ | |
128 | fClusterPointer[i] = s.fClusterPointer[i]; | |
129 | } | |
130 | fTrackPoints[i] = s.fTrackPoints[i]; | |
131 | } | |
81e97e0d | 132 | for (Int_t i=0;i<160;i++) fIndex[i] = s.fIndex[i]; |
5c09947e | 133 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTPCr[i]=s.fTPCr[i]; |
134 | for (Int_t i=0;i<4;i++) { | |
135 | fDEDX[i] = s.fDEDX[i]; | |
136 | fSDEDX[i] = s.fSDEDX[i]; | |
137 | fNCDEDX[i] = s.fNCDEDX[i]; | |
9c0db267 | 138 | fNCDEDXInclThres[i] = s.fNCDEDXInclThres[i]; |
5c09947e | 139 | } |
9c0db267 | 140 | fDEDX[4] = s.fDEDX[4]; |
5c09947e | 141 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = s.fOverlapLabels[i]; |
19b00333 | 142 | |
81e97e0d | 143 | } |
5c09947e | 144 | |
145 | ||
32fab534 | 146 | AliTPCseed::AliTPCseed(const AliTPCtrack &t): |
147 | AliTPCtrack(t), | |
148 | fEsd(0x0), | |
2928bdf0 | 149 | fClusterOwner(kFALSE), |
32fab534 | 150 | fRow(0), |
151 | fSector(-1), | |
152 | fRelativeSector(-1), | |
c07cb486 | 153 | fCurrentSigmaY2(-1), |
154 | fCurrentSigmaZ2(-1), | |
e0e13b88 | 155 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% |
156 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
c07cb486 | 157 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% |
158 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
32fab534 | 159 | fErrorY2(1e10), |
160 | fErrorZ2(1e10), | |
161 | fCurrentCluster(0x0), | |
162 | fCurrentClusterIndex1(-1), | |
163 | fInDead(kFALSE), | |
164 | fIsSeeding(kFALSE), | |
165 | fNoCluster(0), | |
166 | fSort(0), | |
167 | fBSigned(kFALSE), | |
168 | fSeedType(0), | |
169 | fSeed1(-1), | |
170 | fSeed2(-1), | |
171 | fMAngular(0), | |
ddfbc51a | 172 | fCircular(0), |
173 | fPoolID(-1) | |
32fab534 | 174 | { |
81e97e0d | 175 | // |
32fab534 | 176 | // Constructor from AliTPCtrack |
177 | // | |
178 | fFirstPoint =0; | |
105b1b81 | 179 | for (Int_t i=0;i<5;i++) fTPCr[i]=0.2; |
81e97e0d | 180 | for (Int_t i=0;i<160;i++) { |
181 | fClusterPointer[i] = 0; | |
182 | Int_t index = t.GetClusterIndex(i); | |
183 | if (index>=-1){ | |
184 | SetClusterIndex2(i,index); | |
185 | } | |
186 | else{ | |
187 | SetClusterIndex2(i,-3); | |
188 | } | |
189 | } | |
32fab534 | 190 | for (Int_t i=0;i<4;i++) { |
191 | fDEDX[i] = 0.; | |
192 | fSDEDX[i] = 1e10; | |
193 | fNCDEDX[i] = 0; | |
9c0db267 | 194 | fNCDEDXInclThres[i] = 0; |
32fab534 | 195 | } |
9c0db267 | 196 | fDEDX[4] = 0; |
32fab534 | 197 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = -1; |
81e97e0d | 198 | } |
199 | ||
6c94f330 | 200 | AliTPCseed::AliTPCseed(Double_t xr, Double_t alpha, const Double_t xx[5], |
201 | const Double_t cc[15], Int_t index): | |
202 | AliTPCtrack(xr, alpha, xx, cc, index), | |
32fab534 | 203 | fEsd(0x0), |
2928bdf0 | 204 | fClusterOwner(kFALSE), |
32fab534 | 205 | fRow(0), |
206 | fSector(-1), | |
207 | fRelativeSector(-1), | |
c07cb486 | 208 | fCurrentSigmaY2(-1), |
209 | fCurrentSigmaZ2(-1), | |
e0e13b88 | 210 | fCMeanSigmaY2p30(-1.), //! current mean sigma Y2 - mean30% |
211 | fCMeanSigmaZ2p30(-1.), //! current mean sigma Z2 - mean30% | |
c07cb486 | 212 | fCMeanSigmaY2p30R(-1.), //! current mean sigma Y2 - mean2% |
213 | fCMeanSigmaZ2p30R(-1.), //! current mean sigma Z2 - mean2% | |
32fab534 | 214 | fErrorY2(1e10), |
215 | fErrorZ2(1e10), | |
216 | fCurrentCluster(0x0), | |
217 | fCurrentClusterIndex1(-1), | |
218 | fInDead(kFALSE), | |
219 | fIsSeeding(kFALSE), | |
220 | fNoCluster(0), | |
221 | fSort(0), | |
222 | fBSigned(kFALSE), | |
223 | fSeedType(0), | |
224 | fSeed1(-1), | |
225 | fSeed2(-1), | |
226 | fMAngular(0), | |
ddfbc51a | 227 | fCircular(0), |
228 | fPoolID(-1) | |
32fab534 | 229 | { |
230 | // | |
231 | // Constructor | |
81e97e0d | 232 | // |
32fab534 | 233 | fFirstPoint =0; |
5c09947e | 234 | for (Int_t i=0;i<160;i++) SetClusterIndex2(i,-3); |
81e97e0d | 235 | for (Int_t i=0;i<160;i++) fClusterPointer[i]=0; |
81e97e0d | 236 | for (Int_t i=0;i<5;i++) fTPCr[i]=0.2; |
32fab534 | 237 | for (Int_t i=0;i<4;i++) { |
238 | fDEDX[i] = 0.; | |
239 | fSDEDX[i] = 1e10; | |
240 | fNCDEDX[i] = 0; | |
9c0db267 | 241 | fNCDEDXInclThres[i] = 0; |
32fab534 | 242 | } |
9c0db267 | 243 | fDEDX[4] = 0; |
32fab534 | 244 | for (Int_t i=0;i<12;i++) fOverlapLabels[i] = -1; |
81e97e0d | 245 | } |
246 | ||
247 | AliTPCseed::~AliTPCseed(){ | |
248 | // | |
249 | // destructor | |
81e97e0d | 250 | fNoCluster =0; |
2928bdf0 | 251 | if (fClusterOwner){ |
252 | for (Int_t icluster=0; icluster<160; icluster++){ | |
253 | delete fClusterPointer[icluster]; | |
254 | } | |
255 | } | |
bfb57b6c | 256 | |
81e97e0d | 257 | } |
179c6296 | 258 | //_________________________________________________ |
316c6cd9 | 259 | AliTPCseed & AliTPCseed::operator=(const AliTPCseed ¶m) |
179c6296 | 260 | { |
261 | // | |
316c6cd9 | 262 | // assignment operator |
ddfbc51a | 263 | // don't touch pool ID |
179c6296 | 264 | // |
316c6cd9 | 265 | if(this!=¶m){ |
266 | AliTPCtrack::operator=(param); | |
267 | fEsd =param.fEsd; | |
316c6cd9 | 268 | fClusterOwner = param.fClusterOwner; |
f06a1ff6 | 269 | if (!fClusterOwner) for(Int_t i = 0;i<160;++i)fClusterPointer[i] = param.fClusterPointer[i]; |
396e55e3 | 270 | else for(Int_t i = 0;i<160;++i) { |
271 | delete fClusterPointer[i]; | |
272 | fClusterPointer[i] = new AliTPCclusterMI(*(param.fClusterPointer[i])); | |
273 | } | |
316c6cd9 | 274 | // leave out fPoint, they are also not copied in the copy ctor... |
275 | // but deleted in the dtor... strange... | |
316c6cd9 | 276 | fRow = param.fRow; |
277 | fSector = param.fSector; | |
278 | fRelativeSector = param.fRelativeSector; | |
279 | fCurrentSigmaY2 = param.fCurrentSigmaY2; | |
280 | fCurrentSigmaZ2 = param.fCurrentSigmaZ2; | |
281 | fErrorY2 = param.fErrorY2; | |
282 | fErrorZ2 = param.fErrorZ2; | |
283 | fCurrentCluster = param.fCurrentCluster; // this is not allocated by AliTPCSeed | |
284 | fCurrentClusterIndex1 = param.fCurrentClusterIndex1; | |
285 | fInDead = param.fInDead; | |
286 | fIsSeeding = param.fIsSeeding; | |
287 | fNoCluster = param.fNoCluster; | |
288 | fSort = param.fSort; | |
289 | fBSigned = param.fBSigned; | |
290 | for(Int_t i = 0;i<4;++i){ | |
291 | fDEDX[i] = param.fDEDX[i]; | |
292 | fSDEDX[i] = param.fSDEDX[i]; | |
293 | fNCDEDX[i] = param.fNCDEDX[i]; | |
9c0db267 | 294 | fNCDEDXInclThres[i] = param.fNCDEDXInclThres[i]; |
316c6cd9 | 295 | } |
9c0db267 | 296 | fDEDX[4] = param.fDEDX[4]; |
316c6cd9 | 297 | for(Int_t i = 0;i<AliPID::kSPECIES;++i)fTPCr[i] = param.fTPCr[i]; |
298 | ||
299 | fSeedType = param.fSeedType; | |
300 | fSeed1 = param.fSeed1; | |
301 | fSeed2 = param.fSeed2; | |
302 | for(Int_t i = 0;i<12;++i)fOverlapLabels[i] = param.fOverlapLabels[i]; | |
303 | fMAngular = param.fMAngular; | |
304 | fCircular = param.fCircular; | |
305 | for(int i = 0;i<160;++i)fTrackPoints[i] = param.fTrackPoints[i]; | |
316c6cd9 | 306 | } |
179c6296 | 307 | return (*this); |
308 | } | |
309 | //____________________________________________________ | |
81e97e0d | 310 | AliTPCTrackerPoint * AliTPCseed::GetTrackPoint(Int_t i) |
311 | { | |
312 | // | |
313 | // | |
314 | return &fTrackPoints[i]; | |
315 | } | |
316 | ||
81e97e0d | 317 | |
318 | ||
319 | Double_t AliTPCseed::GetDensityFirst(Int_t n) | |
320 | { | |
321 | // | |
322 | // | |
323 | // return cluster for n rows bellow first point | |
324 | Int_t nfoundable = 1; | |
325 | Int_t nfound = 1; | |
326 | for (Int_t i=fLastPoint-1;i>0&&nfoundable<n; i--){ | |
327 | Int_t index = GetClusterIndex2(i); | |
328 | if (index!=-1) nfoundable++; | |
329 | if (index>0) nfound++; | |
330 | } | |
331 | if (nfoundable<n) return 0; | |
332 | return Double_t(nfound)/Double_t(nfoundable); | |
333 | ||
334 | } | |
335 | ||
336 | ||
337 | void AliTPCseed::GetClusterStatistic(Int_t first, Int_t last, Int_t &found, Int_t &foundable, Int_t &shared, Bool_t plus2) | |
338 | { | |
339 | // get cluster stat. on given region | |
340 | // | |
341 | found = 0; | |
342 | foundable = 0; | |
343 | shared =0; | |
344 | for (Int_t i=first;i<last; i++){ | |
345 | Int_t index = GetClusterIndex2(i); | |
346 | if (index!=-1) foundable++; | |
6d493ea0 | 347 | if (index&0x8000) continue; |
81e97e0d | 348 | if (fClusterPointer[i]) { |
349 | found++; | |
350 | } | |
351 | else | |
352 | continue; | |
353 | ||
354 | if (fClusterPointer[i]->IsUsed(10)) { | |
355 | shared++; | |
356 | continue; | |
357 | } | |
358 | if (!plus2) continue; //take also neighborhoud | |
359 | // | |
360 | if ( (i>0) && fClusterPointer[i-1]){ | |
361 | if (fClusterPointer[i-1]->IsUsed(10)) { | |
362 | shared++; | |
363 | continue; | |
364 | } | |
365 | } | |
366 | if ( fClusterPointer[i+1]){ | |
367 | if (fClusterPointer[i+1]->IsUsed(10)) { | |
368 | shared++; | |
369 | continue; | |
370 | } | |
371 | } | |
372 | ||
373 | } | |
374 | //if (shared>found){ | |
375 | //Error("AliTPCseed::GetClusterStatistic","problem\n"); | |
376 | //} | |
377 | } | |
378 | ||
379 | ||
380 | ||
381 | ||
382 | ||
383 | void AliTPCseed::Reset(Bool_t all) | |
384 | { | |
385 | // | |
386 | // | |
387 | SetNumberOfClusters(0); | |
388 | fNFoundable = 0; | |
389 | SetChi2(0); | |
6c94f330 | 390 | ResetCovariance(10.); |
81e97e0d | 391 | /* |
392 | if (fTrackPoints){ | |
393 | for (Int_t i=0;i<8;i++){ | |
394 | delete [] fTrackPoints[i]; | |
395 | } | |
396 | delete fTrackPoints; | |
397 | fTrackPoints =0; | |
398 | } | |
399 | */ | |
400 | ||
401 | if (all){ | |
f06a1ff6 | 402 | for (Int_t i=200;i--;) SetClusterIndex2(i,-3); |
403 | if (!fClusterOwner) for (Int_t i=160;i--;) fClusterPointer[i]=0; | |
404 | else for (Int_t i=160;i--;) {delete fClusterPointer[i]; fClusterPointer[i]=0;} | |
81e97e0d | 405 | } |
406 | ||
407 | } | |
408 | ||
409 | ||
410 | void AliTPCseed::Modify(Double_t factor) | |
411 | { | |
412 | ||
413 | //------------------------------------------------------------------ | |
414 | //This function makes a track forget its history :) | |
415 | //------------------------------------------------------------------ | |
416 | if (factor<=0) { | |
6c94f330 | 417 | ResetCovariance(10.); |
81e97e0d | 418 | return; |
419 | } | |
6c94f330 | 420 | ResetCovariance(factor); |
421 | ||
81e97e0d | 422 | SetNumberOfClusters(0); |
423 | fNFoundable =0; | |
424 | SetChi2(0); | |
425 | fRemoval = 0; | |
426 | fCurrentSigmaY2 = 0.000005; | |
427 | fCurrentSigmaZ2 = 0.000005; | |
428 | fNoCluster = 0; | |
429 | //fFirstPoint = 160; | |
430 | //fLastPoint = 0; | |
431 | } | |
432 | ||
433 | ||
434 | ||
435 | ||
436 | Int_t AliTPCseed::GetProlongation(Double_t xk, Double_t &y, Double_t & z) const | |
437 | { | |
438 | //----------------------------------------------------------------- | |
439 | // This function find proloncation of a track to a reference plane x=xk. | |
440 | // doesn't change internal state of the track | |
441 | //----------------------------------------------------------------- | |
442 | ||
6c94f330 | 443 | Double_t x1=GetX(), x2=x1+(xk-x1), dx=x2-x1; |
81e97e0d | 444 | |
6c94f330 | 445 | if (TMath::Abs(GetSnp()+GetC()*dx) >= AliTPCReconstructor::GetMaxSnpTrack()) { |
81e97e0d | 446 | return 0; |
447 | } | |
448 | ||
449 | // Double_t y1=fP0, z1=fP1; | |
60e55aee | 450 | Double_t c1=GetSnp(), r1=sqrt((1.-c1)*(1.+c1)); |
451 | Double_t c2=c1 + GetC()*dx, r2=sqrt((1.-c2)*(1.+c2)); | |
81e97e0d | 452 | |
6c94f330 | 453 | y = GetY(); |
454 | z = GetZ(); | |
81e97e0d | 455 | //y += dx*(c1+c2)/(r1+r2); |
456 | //z += dx*(c1+c2)/(c1*r2 + c2*r1)*fP3; | |
457 | ||
458 | Double_t dy = dx*(c1+c2)/(r1+r2); | |
459 | Double_t dz = 0; | |
460 | // | |
6c94f330 | 461 | Double_t delta = GetC()*dx*(c1+c2)/(c1*r2 + c2*r1); |
81e97e0d | 462 | /* |
463 | if (TMath::Abs(delta)>0.0001){ | |
464 | dz = fP3*TMath::ASin(delta)/fP4; | |
465 | }else{ | |
466 | dz = dx*fP3*(c1+c2)/(c1*r2 + c2*r1); | |
467 | } | |
468 | */ | |
469 | // dz = fP3*AliTPCFastMath::FastAsin(delta)/fP4; | |
6c94f330 | 470 | dz = GetTgl()*TMath::ASin(delta)/GetC(); |
81e97e0d | 471 | // |
472 | y+=dy; | |
473 | z+=dz; | |
474 | ||
475 | ||
476 | return 1; | |
477 | } | |
478 | ||
479 | ||
480 | //_____________________________________________________________________________ | |
af32720d | 481 | Double_t AliTPCseed::GetPredictedChi2(const AliCluster *c) const |
81e97e0d | 482 | { |
483 | //----------------------------------------------------------------- | |
484 | // This function calculates a predicted chi2 increment. | |
485 | //----------------------------------------------------------------- | |
6c94f330 | 486 | Double_t p[2]={c->GetY(), c->GetZ()}; |
487 | Double_t cov[3]={fErrorY2, 0., fErrorZ2}; | |
9c7b8249 | 488 | |
489 | Float_t dx = ((AliTPCclusterMI*)c)->GetX()-GetX(); | |
490 | if (TMath::Abs(dx)>0){ | |
491 | Float_t ty = TMath::Tan(TMath::ASin(GetSnp())); | |
492 | Float_t dy = dx*ty; | |
493 | Float_t dz = dx*TMath::Sqrt(1.+ty*ty)*GetTgl(); | |
494 | p[0] = c->GetY()-dy; | |
495 | p[1] = c->GetZ()-dz; | |
496 | } | |
6c94f330 | 497 | return AliExternalTrackParam::GetPredictedChi2(p,cov); |
81e97e0d | 498 | } |
499 | ||
81e97e0d | 500 | //_________________________________________________________________________________________ |
501 | ||
502 | ||
503 | Int_t AliTPCseed::Compare(const TObject *o) const { | |
504 | //----------------------------------------------------------------- | |
505 | // This function compares tracks according to the sector - for given sector according z | |
506 | //----------------------------------------------------------------- | |
507 | AliTPCseed *t=(AliTPCseed*)o; | |
6c94f330 | 508 | |
81e97e0d | 509 | if (fSort == 0){ |
510 | if (t->fRelativeSector>fRelativeSector) return -1; | |
511 | if (t->fRelativeSector<fRelativeSector) return 1; | |
512 | Double_t z2 = t->GetZ(); | |
513 | Double_t z1 = GetZ(); | |
514 | if (z2>z1) return 1; | |
515 | if (z2<z1) return -1; | |
516 | return 0; | |
517 | } | |
518 | else { | |
519 | Float_t f2 =1; | |
6c23ffed | 520 | f2 = 1-20*TMath::Sqrt(t->GetSigma1Pt2())/(t->OneOverPt()+0.0066); |
81e97e0d | 521 | if (t->fBConstrain) f2=1.2; |
522 | ||
523 | Float_t f1 =1; | |
6c23ffed | 524 | f1 = 1-20*TMath::Sqrt(GetSigma1Pt2())/(OneOverPt()+0.0066); |
81e97e0d | 525 | |
526 | if (fBConstrain) f1=1.2; | |
527 | ||
528 | if (t->GetNumberOfClusters()*f2 <GetNumberOfClusters()*f1) return -1; | |
529 | else return +1; | |
530 | } | |
531 | } | |
532 | ||
533 | ||
534 | ||
535 | ||
536 | //_____________________________________________________________________________ | |
70e20dcf | 537 | Bool_t AliTPCseed::Update(const AliCluster *c, Double_t chisq, Int_t index) |
6c94f330 | 538 | { |
81e97e0d | 539 | //----------------------------------------------------------------- |
540 | // This function associates a cluster with this track. | |
541 | //----------------------------------------------------------------- | |
81e97e0d | 542 | Int_t n=GetNumberOfClusters(); |
70e20dcf | 543 | Int_t idx=GetClusterIndex(n); // save the current cluster index |
544 | ||
545 | AliCluster cl(*c); cl.SetSigmaY2(fErrorY2); cl.SetSigmaZ2(fErrorZ2); | |
ca521f6c | 546 | Float_t dx = ((AliTPCclusterMI*)c)->GetX()-GetX(); |
547 | if (TMath::Abs(dx)>0){ | |
548 | Float_t ty = TMath::Tan(TMath::ASin(GetSnp())); | |
549 | Float_t dy = dx*ty; | |
550 | Float_t dz = dx*TMath::Sqrt(1.+ty*ty)*GetTgl(); | |
551 | cl.SetY(c->GetY()-dy); | |
552 | cl.SetZ(c->GetZ()-dz); | |
553 | } | |
554 | ||
70e20dcf | 555 | if (!AliTPCtrack::Update(&cl,chisq,index)) return kFALSE; |
e0e13b88 | 556 | |
557 | if (fCMeanSigmaY2p30<0){ | |
558 | fCMeanSigmaY2p30= c->GetSigmaY2(); //! current mean sigma Y2 - mean30% | |
c07cb486 | 559 | fCMeanSigmaZ2p30= c->GetSigmaZ2(); //! current mean sigma Z2 - mean30% |
560 | fCMeanSigmaY2p30R = 1; //! current mean sigma Y2 - mean5% | |
561 | fCMeanSigmaZ2p30R = 1; //! current mean sigma Z2 - mean5% | |
e0e13b88 | 562 | } |
563 | // | |
564 | fCMeanSigmaY2p30= 0.70*fCMeanSigmaY2p30 +0.30*c->GetSigmaY2(); | |
c07cb486 | 565 | fCMeanSigmaZ2p30= 0.70*fCMeanSigmaZ2p30 +0.30*c->GetSigmaZ2(); |
566 | if (fCurrentSigmaY2>0){ | |
567 | fCMeanSigmaY2p30R = 0.7*fCMeanSigmaY2p30R +0.3*c->GetSigmaY2()/fCurrentSigmaY2; | |
568 | fCMeanSigmaZ2p30R = 0.7*fCMeanSigmaZ2p30R +0.3*c->GetSigmaZ2()/fCurrentSigmaZ2; | |
569 | } | |
e0e13b88 | 570 | |
81e97e0d | 571 | |
70e20dcf | 572 | SetClusterIndex(n,idx); // restore the current cluster index |
6c94f330 | 573 | return kTRUE; |
81e97e0d | 574 | } |
575 | ||
576 | ||
577 | ||
578 | //_____________________________________________________________________________ | |
dc5cd41c | 579 | Float_t AliTPCseed::CookdEdx(Double_t low, Double_t up,Int_t i1, Int_t i2, Bool_t /* onlyused */) { |
81e97e0d | 580 | //----------------------------------------------------------------- |
581 | // This funtion calculates dE/dX within the "low" and "up" cuts. | |
582 | //----------------------------------------------------------------- | |
2cadb5d1 | 583 | // CookdEdxAnalytical(Double_t low, Double_t up, Int_t type, Int_t i1, Int_t i2, Int_t returnVal) |
83afd539 | 584 | AliTPCParam *param = AliTPCcalibDB::Instance()->GetParameters(); |
44a6a09e | 585 | |
83afd539 | 586 | Int_t row0 = param->GetNRowLow(); |
587 | Int_t row1 = row0+param->GetNRowUp1(); | |
588 | Int_t row2 = row1+param->GetNRowUp2(); | |
44a6a09e | 589 | const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam(); |
590 | Int_t useTot = 0; | |
591 | if (recoParam) useTot = (recoParam->GetUseTotCharge())? 0:1; | |
83afd539 | 592 | // |
593 | // | |
594 | // | |
2cadb5d1 | 595 | fDEDX[0] = CookdEdxAnalytical(low,up,useTot ,i1 ,i2, 0); |
596 | fDEDX[1] = CookdEdxAnalytical(low,up,useTot ,0 ,row0, 0); | |
597 | fDEDX[2] = CookdEdxAnalytical(low,up,useTot ,row0,row1, 0); | |
598 | fDEDX[3] = CookdEdxAnalytical(low,up,useTot ,row1,row2, 0); | |
64bf5ca0 | 599 | fDEDX[4] = CookdEdxAnalytical(low,up,useTot ,row0,row2, 0); // full OROC truncated mean |
83afd539 | 600 | // |
2cadb5d1 | 601 | fSDEDX[0] = CookdEdxAnalytical(low,up,useTot ,i1 ,i2, 1); |
602 | fSDEDX[1] = CookdEdxAnalytical(low,up,useTot ,0 ,row0, 1); | |
603 | fSDEDX[2] = CookdEdxAnalytical(low,up,useTot ,row0,row1, 1); | |
604 | fSDEDX[3] = CookdEdxAnalytical(low,up,useTot ,row1,row2, 1); | |
83afd539 | 605 | // |
64bf5ca0 | 606 | fNCDEDX[0] = TMath::Nint(GetTPCClustInfo(2, 1, i1 , i2)); |
607 | fNCDEDX[1] = TMath::Nint(GetTPCClustInfo(2, 1, 0 , row0)); | |
608 | fNCDEDX[2] = TMath::Nint(GetTPCClustInfo(2, 1, row0, row1)); | |
609 | fNCDEDX[3] = TMath::Nint(GetTPCClustInfo(2, 1, row1, row2)); | |
610 | // | |
611 | fNCDEDXInclThres[0] = TMath::Nint(GetTPCClustInfo(2, 2, i1 , i2)); | |
612 | fNCDEDXInclThres[1] = TMath::Nint(GetTPCClustInfo(2, 2, 0 , row0)); | |
613 | fNCDEDXInclThres[2] = TMath::Nint(GetTPCClustInfo(2, 2, row0, row1)); | |
614 | fNCDEDXInclThres[3] = TMath::Nint(GetTPCClustInfo(2, 2, row1, row2)); | |
615 | // | |
83afd539 | 616 | SetdEdx(fDEDX[0]); |
617 | return fDEDX[0]; | |
81e97e0d | 618 | |
ba5e52fb | 619 | // return CookdEdxNorm(low,up,0,i1,i2,1,0,2); |
4cc7ba77 | 620 | |
621 | ||
ba5e52fb | 622 | // Float_t amp[200]; |
623 | // Float_t angular[200]; | |
624 | // Float_t weight[200]; | |
625 | // Int_t index[200]; | |
626 | // //Int_t nc = 0; | |
627 | // Float_t meanlog = 100.; | |
628 | ||
629 | // Float_t mean[4] = {0,0,0,0}; | |
630 | // Float_t sigma[4] = {1000,1000,1000,1000}; | |
631 | // Int_t nc[4] = {0,0,0,0}; | |
632 | // Float_t norm[4] = {1000,1000,1000,1000}; | |
633 | // // | |
634 | // // | |
635 | // fNShared =0; | |
636 | ||
637 | // Float_t gainGG = 1; | |
638 | // if (AliTPCcalibDB::Instance()->GetParameters()){ | |
639 | // gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000.; //relative gas gain | |
640 | // } | |
641 | ||
642 | ||
643 | // for (Int_t of =0; of<4; of++){ | |
644 | // for (Int_t i=of+i1;i<i2;i+=4) | |
645 | // { | |
646 | // Int_t clindex = fIndex[i]; | |
647 | // if (clindex<0||clindex&0x8000) continue; | |
648 | ||
649 | // //AliTPCTrackPoint * point = (AliTPCTrackPoint *) arr.At(i); | |
650 | // AliTPCTrackerPoint * point = GetTrackPoint(i); | |
651 | // //AliTPCTrackerPoint * pointm = GetTrackPoint(i-1); | |
652 | // //AliTPCTrackerPoint * pointp = 0; | |
653 | // //if (i<159) pointp = GetTrackPoint(i+1); | |
654 | ||
655 | // if (point==0) continue; | |
656 | // AliTPCclusterMI * cl = fClusterPointer[i]; | |
657 | // if (cl==0) continue; | |
658 | // if (onlyused && (!cl->IsUsed(10))) continue; | |
659 | // if (cl->IsUsed(11)) { | |
660 | // fNShared++; | |
661 | // continue; | |
662 | // } | |
663 | // Int_t type = cl->GetType(); | |
664 | // //if (point->fIsShared){ | |
665 | // // fNShared++; | |
666 | // // continue; | |
667 | // //} | |
668 | // //if (pointm) | |
669 | // // if (pointm->fIsShared) continue; | |
670 | // //if (pointp) | |
671 | // // if (pointp->fIsShared) continue; | |
672 | ||
673 | // if (type<0) continue; | |
674 | // //if (type>10) continue; | |
675 | // //if (point->GetErrY()==0) continue; | |
676 | // //if (point->GetErrZ()==0) continue; | |
677 | ||
678 | // //Float_t ddy = (point->GetY()-cl->GetY())/point->GetErrY(); | |
679 | // //Float_t ddz = (point->GetZ()-cl->GetZ())/point->GetErrZ(); | |
680 | // //if ((ddy*ddy+ddz*ddz)>10) continue; | |
681 | ||
682 | ||
683 | // // if (point->GetCPoint().GetMax()<5) continue; | |
684 | // if (cl->GetMax()<5) continue; | |
685 | // Float_t angley = point->GetAngleY(); | |
686 | // Float_t anglez = point->GetAngleZ(); | |
687 | ||
688 | // Float_t rsigmay2 = point->GetSigmaY(); | |
689 | // Float_t rsigmaz2 = point->GetSigmaZ(); | |
690 | // /* | |
691 | // Float_t ns = 1.; | |
692 | // if (pointm){ | |
693 | // rsigmay += pointm->GetTPoint().GetSigmaY(); | |
694 | // rsigmaz += pointm->GetTPoint().GetSigmaZ(); | |
695 | // ns+=1.; | |
696 | // } | |
697 | // if (pointp){ | |
698 | // rsigmay += pointp->GetTPoint().GetSigmaY(); | |
699 | // rsigmaz += pointp->GetTPoint().GetSigmaZ(); | |
700 | // ns+=1.; | |
701 | // } | |
702 | // rsigmay/=ns; | |
703 | // rsigmaz/=ns; | |
704 | // */ | |
705 | ||
706 | // Float_t rsigma = TMath::Sqrt(rsigmay2*rsigmaz2); | |
707 | ||
708 | // Float_t ampc = 0; // normalization to the number of electrons | |
709 | // if (i>64){ | |
710 | // // ampc = 1.*point->GetCPoint().GetMax(); | |
711 | // ampc = 1.*cl->GetMax(); | |
712 | // //ampc = 1.*point->GetCPoint().GetQ(); | |
713 | // // AliTPCClusterPoint & p = point->GetCPoint(); | |
714 | // // Float_t dy = TMath::Abs(Int_t( TMath::Abs(p.GetY()/0.6)) - TMath::Abs(p.GetY()/0.6)+0.5); | |
715 | // // Float_t iz = (250.0-TMath::Abs(p.GetZ())+0.11)/0.566; | |
716 | // //Float_t dz = | |
717 | // // TMath::Abs( Int_t(iz) - iz + 0.5); | |
718 | // //ampc *= 1.15*(1-0.3*dy); | |
719 | // //ampc *= 1.15*(1-0.3*dz); | |
720 | // // Float_t zfactor = (AliTPCReconstructor::GetCtgRange()-0.0004*TMath::Abs(point->GetCPoint().GetZ())); | |
721 | // //ampc *=zfactor; | |
722 | // } | |
723 | // else{ | |
724 | // //ampc = 1.0*point->GetCPoint().GetMax(); | |
725 | // ampc = 1.0*cl->GetMax(); | |
726 | // //ampc = 1.0*point->GetCPoint().GetQ(); | |
727 | // //AliTPCClusterPoint & p = point->GetCPoint(); | |
728 | // // Float_t dy = TMath::Abs(Int_t( TMath::Abs(p.GetY()/0.4)) - TMath::Abs(p.GetY()/0.4)+0.5); | |
729 | // //Float_t iz = (250.0-TMath::Abs(p.GetZ())+0.11)/0.566; | |
730 | // //Float_t dz = | |
731 | // // TMath::Abs( Int_t(iz) - iz + 0.5); | |
732 | ||
733 | // //ampc *= 1.15*(1-0.3*dy); | |
734 | // //ampc *= 1.15*(1-0.3*dz); | |
735 | // // Float_t zfactor = (1.02-0.000*TMath::Abs(point->GetCPoint().GetZ())); | |
736 | // //ampc *=zfactor; | |
737 | ||
738 | // } | |
739 | // ampc *= 2.0; // put mean value to channel 50 | |
740 | // //ampc *= 0.58; // put mean value to channel 50 | |
741 | // Float_t w = 1.; | |
742 | // // if (type>0) w = 1./(type/2.-0.5); | |
743 | // // Float_t z = TMath::Abs(cl->GetZ()); | |
744 | // if (i<64) { | |
745 | // ampc /= 0.6; | |
746 | // //ampc /= (1+0.0008*z); | |
747 | // } else | |
748 | // if (i>128){ | |
749 | // ampc /=1.5; | |
750 | // //ampc /= (1+0.0008*z); | |
751 | // }else{ | |
752 | // //ampc /= (1+0.0008*z); | |
753 | // } | |
81e97e0d | 754 | |
ba5e52fb | 755 | // if (type<0) { //amp at the border - lower weight |
756 | // // w*= 2.; | |
81e97e0d | 757 | |
ba5e52fb | 758 | // continue; |
759 | // } | |
760 | // if (rsigma>1.5) ampc/=1.3; // if big backround | |
761 | // amp[nc[of]] = ampc; | |
762 | // amp[nc[of]] /=gainGG; | |
763 | // angular[nc[of]] = TMath::Sqrt(1.+angley*angley+anglez*anglez); | |
764 | // weight[nc[of]] = w; | |
765 | // nc[of]++; | |
766 | // } | |
81e97e0d | 767 | |
ba5e52fb | 768 | // TMath::Sort(nc[of],amp,index,kFALSE); |
769 | // Float_t sumamp=0; | |
770 | // Float_t sumamp2=0; | |
771 | // Float_t sumw=0; | |
772 | // //meanlog = amp[index[Int_t(nc[of]*0.33)]]; | |
773 | // meanlog = 50; | |
774 | // for (Int_t i=int(nc[of]*low+0.5);i<int(nc[of]*up+0.5);i++){ | |
775 | // Float_t ampl = amp[index[i]]/angular[index[i]]; | |
776 | // ampl = meanlog*TMath::Log(1.+ampl/meanlog); | |
777 | // // | |
778 | // sumw += weight[index[i]]; | |
779 | // sumamp += weight[index[i]]*ampl; | |
780 | // sumamp2 += weight[index[i]]*ampl*ampl; | |
781 | // norm[of] += angular[index[i]]*weight[index[i]]; | |
782 | // } | |
783 | // if (sumw<1){ | |
784 | // SetdEdx(0); | |
785 | // } | |
786 | // else { | |
787 | // norm[of] /= sumw; | |
788 | // mean[of] = sumamp/sumw; | |
789 | // sigma[of] = sumamp2/sumw-mean[of]*mean[of]; | |
790 | // if (sigma[of]>0.1) | |
791 | // sigma[of] = TMath::Sqrt(sigma[of]); | |
792 | // else | |
793 | // sigma[of] = 1000; | |
81e97e0d | 794 | |
ba5e52fb | 795 | // mean[of] = (TMath::Exp(mean[of]/meanlog)-1)*meanlog; |
796 | // //mean *=(1-0.02*(sigma/(mean*0.17)-1.)); | |
797 | // //mean *=(1-0.1*(norm-1.)); | |
798 | // } | |
799 | // } | |
800 | ||
801 | // Float_t dedx =0; | |
802 | // fSdEdx =0; | |
803 | // fMAngular =0; | |
804 | // // mean[0]*= (1-0.05*(sigma[0]/(0.01+mean[1]*0.18)-1)); | |
805 | // // mean[1]*= (1-0.05*(sigma[1]/(0.01+mean[0]*0.18)-1)); | |
81e97e0d | 806 | |
807 | ||
ba5e52fb | 808 | // // dedx = (mean[0]* TMath::Sqrt((1.+nc[0]))+ mean[1]* TMath::Sqrt((1.+nc[1])) )/ |
809 | // // ( TMath::Sqrt((1.+nc[0]))+TMath::Sqrt((1.+nc[1]))); | |
810 | ||
811 | // Int_t norm2 = 0; | |
812 | // Int_t norm3 = 0; | |
813 | // for (Int_t i =0;i<4;i++){ | |
814 | // if (nc[i]>2&&nc[i]<1000){ | |
815 | // dedx += mean[i] *nc[i]; | |
816 | // fSdEdx += sigma[i]*(nc[i]-2); | |
817 | // fMAngular += norm[i] *nc[i]; | |
818 | // norm2 += nc[i]; | |
819 | // norm3 += nc[i]-2; | |
820 | // } | |
821 | // fDEDX[i] = mean[i]; | |
822 | // fSDEDX[i] = sigma[i]; | |
823 | // fNCDEDX[i]= nc[i]; | |
824 | // } | |
825 | ||
826 | // if (norm3>0){ | |
827 | // dedx /=norm2; | |
828 | // fSdEdx /=norm3; | |
829 | // fMAngular/=norm2; | |
830 | // } | |
831 | // else{ | |
832 | // SetdEdx(0); | |
833 | // return 0; | |
834 | // } | |
835 | // // Float_t dedx1 =dedx; | |
836 | // /* | |
837 | // dedx =0; | |
838 | // for (Int_t i =0;i<4;i++){ | |
839 | // if (nc[i]>2&&nc[i]<1000){ | |
840 | // mean[i] = mean[i]*(1-0.12*(sigma[i]/(fSdEdx)-1.)); | |
841 | // dedx += mean[i] *nc[i]; | |
842 | // } | |
843 | // fDEDX[i] = mean[i]; | |
844 | // } | |
845 | // dedx /= norm2; | |
846 | // */ | |
81e97e0d | 847 | |
848 | ||
ba5e52fb | 849 | // SetdEdx(dedx); |
850 | // return dedx; | |
81e97e0d | 851 | } |
81e97e0d | 852 | |
853 | void AliTPCseed::CookPID() | |
854 | { | |
855 | // | |
856 | // cook PID information according dEdx | |
857 | // | |
858 | Double_t fRange = 10.; | |
859 | Double_t fRes = 0.1; | |
860 | Double_t fMIP = 47.; | |
861 | // | |
862 | Int_t ns=AliPID::kSPECIES; | |
863 | Double_t sumr =0; | |
864 | for (Int_t j=0; j<ns; j++) { | |
865 | Double_t mass=AliPID::ParticleMass(j); | |
6c94f330 | 866 | Double_t mom=GetP(); |
81e97e0d | 867 | Double_t dedx=fdEdx/fMIP; |
5731b051 | 868 | Double_t bethe=AliMathBase::BetheBlochAleph(mom/mass); |
81e97e0d | 869 | Double_t sigma=fRes*bethe; |
870 | if (sigma>0.001){ | |
871 | if (TMath::Abs(dedx-bethe) > fRange*sigma) { | |
872 | fTPCr[j]=TMath::Exp(-0.5*fRange*fRange)/sigma; | |
873 | sumr+=fTPCr[j]; | |
874 | continue; | |
875 | } | |
876 | fTPCr[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma; | |
877 | sumr+=fTPCr[j]; | |
878 | } | |
879 | else{ | |
880 | fTPCr[j]=1.; | |
881 | sumr+=fTPCr[j]; | |
882 | } | |
883 | } | |
884 | for (Int_t j=0; j<ns; j++) { | |
885 | fTPCr[j]/=sumr; //normalize | |
886 | } | |
887 | } | |
888 | ||
6c94f330 | 889 | Double_t AliTPCseed::GetYat(Double_t xk) const { |
890 | //----------------------------------------------------------------- | |
891 | // This function calculates the Y-coordinate of a track at the plane x=xk. | |
892 | //----------------------------------------------------------------- | |
893 | if (TMath::Abs(GetSnp())>AliTPCReconstructor::GetMaxSnpTrack()) return 0.; //patch 01 jan 06 | |
60e55aee | 894 | Double_t c1=GetSnp(), r1=TMath::Sqrt((1.-c1)*(1.+c1)); |
6c94f330 | 895 | Double_t c2=c1+GetC()*(xk-GetX()); |
896 | if (TMath::Abs(c2)>AliTPCReconstructor::GetMaxSnpTrack()) return 0; | |
60e55aee | 897 | Double_t r2=TMath::Sqrt((1.-c2)*(1.+c2)); |
6c94f330 | 898 | return GetY() + (xk-GetX())*(c1+c2)/(r1+r2); |
899 | } | |
900 | ||
0a65832b | 901 | |
902 | ||
8a92e133 | 903 | 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 | 904 | |
905 | // | |
906 | // calculates dedx using the cluster | |
907 | // low - up specify trunc mean range - default form 0-0.7 | |
8076baa0 | 908 | // type - 1 - max charge or 0- total charge in cluster |
909 | // //2- max no corr 3- total+ correction | |
0a65832b | 910 | // i1-i2 - the pad-row range used for calculation |
ba5e52fb | 911 | // shapeNorm - kTRUE -taken from OCDB |
912 | // | |
913 | // posNorm - usage of pos normalization | |
83afd539 | 914 | // padNorm - pad type normalization |
915 | // returnVal - 0 return mean | |
916 | // - 1 return RMS | |
917 | // - 2 return number of clusters | |
918 | // | |
0a65832b | 919 | // normalization parametrization taken from AliTPCClusterParam |
920 | // | |
ba5e52fb | 921 | AliTPCClusterParam * parcl = AliTPCcalibDB::Instance()->GetClusterParam(); |
922 | AliTPCParam * param = AliTPCcalibDB::Instance()->GetParameters(); | |
923 | if (!parcl) return 0; | |
924 | if (!param) return 0; | |
83afd539 | 925 | Int_t row0 = param->GetNRowLow(); |
926 | Int_t row1 = row0+param->GetNRowUp1(); | |
927 | ||
0a65832b | 928 | Float_t amp[160]; |
929 | Int_t indexes[160]; | |
930 | Int_t ncl=0; | |
931 | // | |
932 | // | |
ba5e52fb | 933 | Float_t gainGG = 1; // gas gain factor -always enabled |
934 | Float_t gainPad = 1; // gain map - used always | |
83afd539 | 935 | Float_t corrShape = 1; // correction due angular effect, diffusion and electron attachment |
ba5e52fb | 936 | Float_t corrPos = 1; // local position correction - if posNorm enabled |
937 | Float_t corrPadType = 1; // pad type correction - if padNorm enabled | |
938 | Float_t corrNorm = 1; // normalization factor - set Q to channel 50 | |
939 | // | |
940 | // | |
941 | // | |
4cc7ba77 | 942 | if (AliTPCcalibDB::Instance()->GetParameters()){ |
ba5e52fb | 943 | gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000; //relative gas gain |
4cc7ba77 | 944 | } |
945 | ||
0a65832b | 946 | const Float_t ktany = TMath::Tan(TMath::DegToRad()*10); |
4cc7ba77 | 947 | const Float_t kedgey =3.; |
0a65832b | 948 | // |
7cd8ac3f | 949 | // |
0a65832b | 950 | for (Int_t irow=i1; irow<i2; irow++){ |
951 | AliTPCclusterMI* cluster = GetClusterPointer(irow); | |
952 | if (!cluster) continue; | |
953 | if (TMath::Abs(cluster->GetY())>cluster->GetX()*ktany-kedgey) continue; // edge cluster | |
8076baa0 | 954 | Float_t charge= (type%2)? cluster->GetMax():cluster->GetQ(); |
ba5e52fb | 955 | Int_t ipad= 0; |
83afd539 | 956 | if (irow>=row0) ipad=1; |
957 | if (irow>=row1) ipad=2; | |
ba5e52fb | 958 | // |
959 | // | |
960 | // | |
961 | AliTPCCalPad * gainMap = AliTPCcalibDB::Instance()->GetDedxGainFactor(); | |
962 | if (gainMap) { | |
963 | // | |
964 | // Get gainPad - pad by pad calibration | |
965 | // | |
d6920632 | 966 | Float_t factor = 1; |
967 | AliTPCCalROC * roc = gainMap->GetCalROC(cluster->GetDetector()); | |
83afd539 | 968 | if (irow < row0) { // IROC |
ba5e52fb | 969 | factor = roc->GetValue(irow, TMath::Nint(cluster->GetPad())); |
d6920632 | 970 | } else { // OROC |
83afd539 | 971 | factor = roc->GetValue(irow - row0, TMath::Nint(cluster->GetPad())); |
d6920632 | 972 | } |
ba5e52fb | 973 | if (factor>0.5) gainPad=factor; |
7cd8ac3f | 974 | } |
ba5e52fb | 975 | // |
976 | //do position and angular normalization | |
977 | // | |
978 | if (shapeNorm){ | |
979 | if (type<=1){ | |
980 | // | |
981 | AliTPCTrackerPoint * point = GetTrackPoint(irow); | |
982 | Float_t ty = TMath::Abs(point->GetAngleY()); | |
83afd539 | 983 | Float_t tz = TMath::Abs(point->GetAngleZ()*TMath::Sqrt(1+ty*ty)); |
ba5e52fb | 984 | |
985 | Float_t dr = (250.-TMath::Abs(cluster->GetZ()))/250.; | |
986 | corrShape = parcl->Qnorm(ipad,type,dr,ty,tz); | |
987 | } | |
0a65832b | 988 | } |
ba5e52fb | 989 | |
8a92e133 | 990 | if (posNorm>0){ |
8e1dcdda | 991 | // |
ba5e52fb | 992 | // Do position normalization - relative distance to |
993 | // center of pad- time bin | |
994 | // Work in progress | |
022a2383 | 995 | // corrPos = parcl->QnormPos(ipad,type, cluster->GetPad(), |
996 | // cluster->GetTimeBin(), cluster->GetZ(), | |
997 | // cluster->GetSigmaY2(),cluster->GetSigmaZ2(), | |
998 | // cluster->GetMax(),cluster->GetQ()); | |
8a92e133 | 999 | // scaled response function |
1000 | Float_t yres0 = parcl->GetRMS0(0,ipad,0,0)/param->GetPadPitchWidth(cluster->GetDetector()); | |
1001 | Float_t zres0 = parcl->GetRMS0(1,ipad,0,0)/param->GetZWidth(); | |
1002 | // | |
1003 | ||
022a2383 | 1004 | AliTPCTrackerPoint * point = GetTrackPoint(irow); |
1005 | Float_t ty = TMath::Abs(point->GetAngleY()); | |
1006 | Float_t tz = TMath::Abs(point->GetAngleZ()*TMath::Sqrt(1+ty*ty)); | |
1007 | ||
1008 | if (type==1) corrPos = | |
1009 | parcl->QmaxCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
8a92e133 | 1010 | cluster->GetTimeBin(),ty,tz,yres0,zres0,0.4); |
022a2383 | 1011 | if (type==0) corrPos = |
1012 | parcl->QtotCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
8a92e133 | 1013 | cluster->GetTimeBin(),ty,tz,yres0,zres0,cluster->GetQ(),2.5,0.4); |
1014 | if (posNorm==3){ | |
1015 | Float_t dr = (250.-TMath::Abs(cluster->GetZ()))/250.; | |
1016 | Double_t signtgl = (cluster->GetZ()*point->GetAngleZ()>0)? 1:-1; | |
1017 | Double_t p2 = TMath::Abs(TMath::Sin(TMath::ATan(ty))); | |
1018 | Float_t corrHis = parcl->QnormHis(ipad,type,dr,p2,TMath::Abs(point->GetAngleZ())*signtgl); | |
1019 | if (corrHis>0) corrPos*=corrHis; | |
1020 | } | |
1021 | ||
8e1dcdda | 1022 | } |
1023 | ||
ba5e52fb | 1024 | if (padNorm==1){ |
1025 | //taken from OCDB | |
798017c7 | 1026 | if (type==0 && parcl->QpadTnorm()) corrPadType = (*parcl->QpadTnorm())[ipad]; |
1027 | if (type==1 && parcl->QpadMnorm()) corrPadType = (*parcl->QpadMnorm())[ipad]; | |
022a2383 | 1028 | |
2fc9608f | 1029 | } |
ba5e52fb | 1030 | if (padNorm==2){ |
1031 | corrPadType =param->GetPadPitchLength(cluster->GetDetector(),cluster->GetRow()); | |
1032 | //use hardwired - temp fix | |
1033 | if (type==0) corrNorm=3.; | |
1034 | if (type==1) corrNorm=1.; | |
1035 | } | |
1036 | // | |
1037 | amp[ncl]=charge; | |
1038 | amp[ncl]/=gainGG; | |
1039 | amp[ncl]/=gainPad; | |
1040 | amp[ncl]/=corrShape; | |
1041 | amp[ncl]/=corrPadType; | |
1042 | amp[ncl]/=corrPos; | |
1043 | amp[ncl]/=corrNorm; | |
1044 | // | |
0a65832b | 1045 | ncl++; |
1046 | } | |
8076baa0 | 1047 | |
0a65832b | 1048 | if (type>3) return ncl; |
1049 | TMath::Sort(ncl,amp, indexes, kFALSE); | |
1050 | ||
8076baa0 | 1051 | if (ncl<10) return 0; |
0a65832b | 1052 | |
1053 | Float_t suma=0; | |
83afd539 | 1054 | Float_t suma2=0; |
0a65832b | 1055 | Float_t sumn=0; |
1056 | Int_t icl0=TMath::Nint(ncl*low); | |
1057 | Int_t icl1=TMath::Nint(ncl*up); | |
1058 | for (Int_t icl=icl0; icl<icl1;icl++){ | |
1059 | suma+=amp[indexes[icl]]; | |
83afd539 | 1060 | suma2+=amp[indexes[icl]]*amp[indexes[icl]]; |
0a65832b | 1061 | sumn++; |
1062 | } | |
83afd539 | 1063 | Float_t mean =suma/sumn; |
1064 | Float_t rms =TMath::Sqrt(TMath::Abs(suma2/sumn-mean*mean)); | |
3af3fbc4 | 1065 | // |
1066 | // do time-dependent correction for pressure and temperature variations | |
1067 | UInt_t runNumber = 1; | |
1068 | Float_t corrTimeGain = 1; | |
1069 | AliTPCTransform * trans = AliTPCcalibDB::Instance()->GetTransform(); | |
e5e80ff9 | 1070 | const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam(); |
1071 | if (trans && recoParam->GetUseGainCorrectionTime()>0) { | |
3af3fbc4 | 1072 | runNumber = trans->GetCurrentRunNumber(); |
e5e80ff9 | 1073 | //AliTPCcalibDB::Instance()->SetRun(runNumber); |
a2c3785e | 1074 | TObjArray * timeGainSplines = AliTPCcalibDB::Instance()->GetTimeGainSplinesRun(runNumber); |
3af3fbc4 | 1075 | if (timeGainSplines) { |
1076 | UInt_t time = trans->GetCurrentTimeStamp(); | |
1077 | AliSplineFit * fitMIP = (AliSplineFit *) timeGainSplines->At(0); | |
1078 | AliSplineFit * fitFPcosmic = (AliSplineFit *) timeGainSplines->At(1); | |
1079 | if (fitMIP) { | |
108a67db | 1080 | corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitMIP, time);/*fitMIP->Eval(time);*/ |
3af3fbc4 | 1081 | } else { |
108a67db | 1082 | if (fitFPcosmic) corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitFPcosmic, time);/*fitFPcosmic->Eval(time);*/ |
3af3fbc4 | 1083 | } |
1084 | } | |
1085 | } | |
1086 | mean /= corrTimeGain; | |
1087 | rms /= corrTimeGain; | |
1088 | // | |
83afd539 | 1089 | if (returnVal==1) return rms; |
8a92e133 | 1090 | if (returnVal==2) return ncl; |
1091 | return mean; | |
1092 | } | |
1093 | ||
6feb400f | 1094 | 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){ |
8a92e133 | 1095 | |
1096 | // | |
1097 | // calculates dedx using the cluster | |
1098 | // low - up specify trunc mean range - default form 0-0.7 | |
1099 | // type - 1 - max charge or 0- total charge in cluster | |
1100 | // //2- max no corr 3- total+ correction | |
1101 | // i1-i2 - the pad-row range used for calculation | |
1102 | // | |
1103 | // posNorm - usage of pos normalization | |
6feb400f | 1104 | // returnVal - 0 return mean |
1105 | // - 1 return RMS | |
1106 | // - 2 return number of clusters | |
1107 | // - 3 ratio | |
1108 | // - 4 mean upper half | |
1109 | // - 5 mean - lower half | |
1110 | // - 6 third moment | |
1111 | // mode - 0 - linear | |
1112 | // - 1 - logatithmic | |
2efc897f | 1113 | // rowThres - number of rows before and after given pad row to check for clusters below threshold |
8a92e133 | 1114 | // |
1115 | // normalization parametrization taken from AliTPCClusterParam | |
1116 | // | |
1117 | AliTPCClusterParam * parcl = AliTPCcalibDB::Instance()->GetClusterParam(); | |
1118 | AliTPCParam * param = AliTPCcalibDB::Instance()->GetParameters(); | |
1119 | if (!parcl) return 0; | |
1120 | if (!param) return 0; | |
1121 | Int_t row0 = param->GetNRowLow(); | |
1122 | Int_t row1 = row0+param->GetNRowUp1(); | |
1123 | ||
1124 | Float_t amp[160]; | |
1125 | Int_t indexes[160]; | |
1126 | Int_t ncl=0; | |
2efc897f | 1127 | Int_t nclBelowThr = 0; // counts number of clusters below threshold |
8a92e133 | 1128 | // |
1129 | // | |
1130 | Float_t gainGG = 1; // gas gain factor -always enabled | |
1131 | Float_t gainPad = 1; // gain map - used always | |
1132 | Float_t corrPos = 1; // local position correction - if posNorm enabled | |
8a92e133 | 1133 | // |
1134 | // | |
1135 | // | |
1136 | if (AliTPCcalibDB::Instance()->GetParameters()){ | |
1137 | gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000; //relative gas gain | |
1138 | } | |
649fcc43 | 1139 | // |
1140 | // extract time-dependent correction for pressure and temperature variations | |
1141 | // | |
1142 | UInt_t runNumber = 1; | |
1143 | Float_t corrTimeGain = 1; | |
1144 | TObjArray * timeGainSplines = 0x0; | |
1145 | TGraphErrors * grPadEqual = 0x0; | |
7e3e1a9c | 1146 | TGraphErrors* grChamberGain[3]={0x0,0x0,0x0}; |
649fcc43 | 1147 | // |
1148 | AliTPCTransform * trans = AliTPCcalibDB::Instance()->GetTransform(); | |
1149 | const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam(); | |
6d64657a | 1150 | // |
1151 | if (recoParam->GetNeighborRowsDedx() == 0) rowThres = 0; | |
1152 | // | |
649fcc43 | 1153 | if (trans) { |
2efc897f | 1154 | runNumber = trans->GetCurrentRunNumber(); |
1155 | //AliTPCcalibDB::Instance()->SetRun(runNumber); | |
1156 | timeGainSplines = AliTPCcalibDB::Instance()->GetTimeGainSplinesRun(runNumber); | |
1157 | if (timeGainSplines && recoParam->GetUseGainCorrectionTime()>0) { | |
1158 | UInt_t time = trans->GetCurrentTimeStamp(); | |
1159 | AliSplineFit * fitMIP = (AliSplineFit *) timeGainSplines->At(0); | |
1160 | AliSplineFit * fitFPcosmic = (AliSplineFit *) timeGainSplines->At(1); | |
1161 | if (fitMIP) { | |
1162 | corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitMIP, time); /*fitMIP->Eval(time);*/ | |
649fcc43 | 1163 | } else { |
2efc897f | 1164 | if (fitFPcosmic) corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitFPcosmic, time); /*fitFPcosmic->Eval(time); */ |
1165 | } | |
649fcc43 | 1166 | // |
1167 | if (type==1) grPadEqual = (TGraphErrors * ) timeGainSplines->FindObject("TGRAPHERRORS_MEANQMAX_PADREGIONGAIN_BEAM_ALL"); | |
1168 | if (type==0) grPadEqual = (TGraphErrors * ) timeGainSplines->FindObject("TGRAPHERRORS_MEANQTOT_PADREGIONGAIN_BEAM_ALL"); | |
7e3e1a9c | 1169 | const char* names[3]={"SHORT","MEDIUM","LONG"}; |
1170 | for (Int_t iPadRegion=0; iPadRegion<3; ++iPadRegion) | |
1171 | grChamberGain[iPadRegion]=(TGraphErrors*)timeGainSplines->FindObject(Form("TGRAPHERRORS_MEAN_CHAMBERGAIN_%s_BEAM_ALL",names[iPadRegion])); | |
2efc897f | 1172 | } |
7e3e1a9c | 1173 | } |
2efc897f | 1174 | |
1175 | const Float_t kClusterShapeCut = 1.5; // IMPPRTANT TO DO: move value to AliTPCRecoParam | |
8a92e133 | 1176 | const Float_t ktany = TMath::Tan(TMath::DegToRad()*10); |
1177 | const Float_t kedgey =3.; | |
1178 | // | |
1179 | // | |
1180 | for (Int_t irow=i1; irow<i2; irow++){ | |
1181 | AliTPCclusterMI* cluster = GetClusterPointer(irow); | |
736a5826 | 1182 | if (!cluster && irow > 1 && irow < 157) { |
2efc897f | 1183 | Bool_t isClBefore = kFALSE; |
1184 | Bool_t isClAfter = kFALSE; | |
1185 | for(Int_t ithres = 1; ithres <= rowThres; ithres++) { | |
1186 | AliTPCclusterMI * clusterBefore = GetClusterPointer(irow - ithres); | |
1187 | if (clusterBefore) isClBefore = kTRUE; | |
1188 | AliTPCclusterMI * clusterAfter = GetClusterPointer(irow + ithres); | |
1189 | if (clusterAfter) isClAfter = kTRUE; | |
1190 | } | |
1191 | if (isClBefore && isClAfter) nclBelowThr++; | |
2efc897f | 1192 | } |
736a5826 | 1193 | if (!cluster) continue; |
2efc897f | 1194 | // |
1195 | // | |
8a92e133 | 1196 | if (TMath::Abs(cluster->GetY())>cluster->GetX()*ktany-kedgey) continue; // edge cluster |
2efc897f | 1197 | // |
1198 | AliTPCTrackerPoint * point = GetTrackPoint(irow); | |
1199 | if (point==0) continue; | |
1200 | Float_t rsigmay = TMath::Sqrt(point->GetSigmaY()); | |
1201 | if (rsigmay > kClusterShapeCut) continue; | |
1202 | // | |
1203 | if (cluster->IsUsed(11)) continue; // remove shared clusters for PbPb | |
1204 | // | |
8a92e133 | 1205 | Float_t charge= (type%2)? cluster->GetMax():cluster->GetQ(); |
1206 | Int_t ipad= 0; | |
1207 | if (irow>=row0) ipad=1; | |
1208 | if (irow>=row1) ipad=2; | |
1209 | // | |
1210 | // | |
1211 | // | |
1212 | AliTPCCalPad * gainMap = AliTPCcalibDB::Instance()->GetDedxGainFactor(); | |
1213 | if (gainMap) { | |
1214 | // | |
1215 | // Get gainPad - pad by pad calibration | |
1216 | // | |
1217 | Float_t factor = 1; | |
1218 | AliTPCCalROC * roc = gainMap->GetCalROC(cluster->GetDetector()); | |
1219 | if (irow < row0) { // IROC | |
1220 | factor = roc->GetValue(irow, TMath::Nint(cluster->GetPad())); | |
1221 | } else { // OROC | |
1222 | factor = roc->GetValue(irow - row0, TMath::Nint(cluster->GetPad())); | |
1223 | } | |
2efc897f | 1224 | if (factor>0.3) gainPad=factor; |
8a92e133 | 1225 | } |
8a92e133 | 1226 | // |
1227 | // Do position normalization - relative distance to | |
1228 | // center of pad- time bin | |
1229 | ||
8a92e133 | 1230 | Float_t ty = TMath::Abs(point->GetAngleY()); |
1231 | Float_t tz = TMath::Abs(point->GetAngleZ()*TMath::Sqrt(1+ty*ty)); | |
1232 | Float_t yres0 = parcl->GetRMS0(0,ipad,0,0)/param->GetPadPitchWidth(cluster->GetDetector()); | |
1233 | Float_t zres0 = parcl->GetRMS0(1,ipad,0,0)/param->GetZWidth(); | |
1234 | ||
1235 | yres0 *=parcl->GetQnormCorr(ipad, type,0); | |
1236 | zres0 *=parcl->GetQnormCorr(ipad, type,1); | |
1237 | Float_t effLength=parcl->GetQnormCorr(ipad, type,4)*0.5; | |
1238 | Float_t effDiff =(parcl->GetQnormCorr(ipad, type,2)+parcl->GetQnormCorr(ipad, type,3))*0.5; | |
1239 | // | |
1240 | if (type==1) { | |
1241 | corrPos = parcl->GetQnormCorr(ipad, type,5)* | |
1242 | parcl->QmaxCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
1243 | cluster->GetTimeBin(),ty,tz,yres0,zres0,effLength,effDiff); | |
1244 | Float_t drm = 0.5-TMath::Abs(cluster->GetZ()/250.); | |
1245 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,0)*drm); | |
1246 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,1)*ty*ty); | |
1247 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,2)*tz*tz); | |
1248 | // | |
1249 | } | |
1250 | if (type==0) { | |
1251 | corrPos = parcl->GetQnormCorr(ipad, type,5)* | |
1252 | parcl->QtotCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(), | |
1253 | cluster->GetTimeBin(),ty,tz,yres0,zres0,cluster->GetQ(),2.5,effLength,effDiff); | |
1254 | ||
1255 | Float_t drm = 0.5-TMath::Abs(cluster->GetZ()/250.); | |
1256 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,0)*drm); | |
1257 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,1)*ty*ty); | |
1258 | corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,2)*tz*tz); | |
1259 | // | |
1260 | } | |
2efc897f | 1261 | // |
1262 | // pad region equalization outside of cluster param | |
1263 | // | |
1264 | Float_t gainEqualPadRegion = 1; | |
7e3e1a9c | 1265 | if (grPadEqual && recoParam->GetUseGainCorrectionTime()>0) gainEqualPadRegion = grPadEqual->Eval(ipad); |
1266 | // | |
1267 | // chamber-by-chamber equalization outside gain map | |
1268 | // | |
1269 | Float_t gainChamber = 1; | |
1270 | if (grChamberGain[ipad] && recoParam->GetUseGainCorrectionTime()>0) gainChamber = grChamberGain[ipad]->Eval(cluster->GetDetector()); | |
8a92e133 | 1271 | // |
1272 | amp[ncl]=charge; | |
1273 | amp[ncl]/=gainGG; | |
1274 | amp[ncl]/=gainPad; | |
1275 | amp[ncl]/=corrPos; | |
2efc897f | 1276 | amp[ncl]/=gainEqualPadRegion; |
7e3e1a9c | 1277 | amp[ncl]/=gainChamber; |
8a92e133 | 1278 | // |
1279 | ncl++; | |
1280 | } | |
1281 | ||
6feb400f | 1282 | if (type==2) return ncl; |
8a92e133 | 1283 | TMath::Sort(ncl,amp, indexes, kFALSE); |
2efc897f | 1284 | // |
8a92e133 | 1285 | if (ncl<10) return 0; |
2efc897f | 1286 | // |
1287 | Double_t * ampWithBelow = new Double_t[ncl + nclBelowThr]; | |
1288 | for(Int_t iCl = 0; iCl < ncl + nclBelowThr; iCl++) { | |
1289 | if (iCl < nclBelowThr) { | |
1290 | ampWithBelow[iCl] = amp[indexes[0]]; | |
1291 | } else { | |
1292 | ampWithBelow[iCl] = amp[indexes[iCl - nclBelowThr]]; | |
1293 | } | |
1294 | } | |
1295 | //printf("DEBUG: %i shit %f", nclBelowThr, amp[indexes[0]]); | |
1296 | // | |
8a92e133 | 1297 | Float_t suma=0; |
1298 | Float_t suma2=0; | |
6feb400f | 1299 | Float_t suma3=0; |
1300 | Float_t sumaS=0; | |
8a92e133 | 1301 | Float_t sumn=0; |
6feb400f | 1302 | // upper,and lower part statistic |
1303 | Float_t sumL=0, sumL2=0, sumLN=0; | |
1304 | Float_t sumD=0, sumD2=0, sumDN=0; | |
1305 | ||
2efc897f | 1306 | Int_t icl0=TMath::Nint((ncl + nclBelowThr)*low); |
1307 | Int_t icl1=TMath::Nint((ncl + nclBelowThr)*up); | |
6feb400f | 1308 | Int_t iclm=TMath::Nint((ncl + nclBelowThr)*(low +(up+low)*0.5)); |
1309 | // | |
8a92e133 | 1310 | for (Int_t icl=icl0; icl<icl1;icl++){ |
6feb400f | 1311 | if (ampWithBelow[icl]<0.1) continue; |
504dd8df | 1312 | Double_t camp=ampWithBelow[icl]/corrTimeGain; |
1313 | if (mode==1) camp= TMath::Log(camp); | |
6feb400f | 1314 | if (icl<icl1){ |
504dd8df | 1315 | suma+=camp; |
1316 | suma2+=camp*camp; | |
1317 | suma3+=camp*camp*camp; | |
1318 | sumaS+=TMath::Power(TMath::Abs(camp),1./3.); | |
6feb400f | 1319 | sumn++; |
1320 | } | |
1321 | if (icl>iclm){ | |
504dd8df | 1322 | sumL+=camp; |
1323 | sumL2+=camp*camp; | |
6feb400f | 1324 | sumLN++; |
1325 | } | |
1326 | if (icl<=iclm){ | |
504dd8df | 1327 | sumD+=camp; |
1328 | sumD2+=camp*camp; | |
6feb400f | 1329 | sumDN++; |
1330 | } | |
8a92e133 | 1331 | } |
0f7547f1 | 1332 | // |
1333 | Float_t mean = 0; | |
1334 | Float_t meanL = 0; | |
1335 | Float_t meanD = 0; // lower half mean | |
1336 | if (sumn > 1e-30) mean =suma/sumn; | |
1337 | if (sumLN > 1e-30) meanL =sumL/sumLN; | |
1338 | if (sumDN > 1e-30) meanD =(sumD/sumDN); | |
1339 | /* | |
8a92e133 | 1340 | Float_t mean =suma/sumn; |
6feb400f | 1341 | Float_t meanL = sumL/sumLN; |
1342 | Float_t meanD =(sumD/sumDN); // lower half mean | |
0f7547f1 | 1343 | */ |
28273e26 | 1344 | |
1345 | Float_t rms = 0; | |
1346 | Float_t mean2=0; | |
1347 | Float_t mean3=0; | |
1348 | Float_t meanS=0; | |
1349 | ||
1350 | if(sumn>0){ | |
1351 | rms = TMath::Sqrt(TMath::Abs(suma2/sumn-mean*mean)); | |
1352 | mean2=suma2/sumn; | |
1353 | mean3=suma3/sumn; | |
1354 | meanS=sumaS/sumn; | |
1355 | } | |
1356 | ||
6feb400f | 1357 | if (mean2>0) mean2=TMath::Power(TMath::Abs(mean2),1./2.); |
1358 | if (mean3>0) mean3=TMath::Power(TMath::Abs(mean3),1./3.); | |
1359 | if (meanS>0) meanS=TMath::Power(TMath::Abs(meanS),3.); | |
3af3fbc4 | 1360 | // |
6feb400f | 1361 | if (mode==1) mean=TMath::Exp(mean); |
1362 | if (mode==1) meanL=TMath::Exp(meanL); // upper truncation | |
1363 | if (mode==1) meanD=TMath::Exp(meanD); // lower truncation | |
1364 | // | |
1365 | delete [] ampWithBelow; | |
1366 | ||
1367 | ||
3af3fbc4 | 1368 | // |
8a92e133 | 1369 | if (returnVal==1) return rms; |
83afd539 | 1370 | if (returnVal==2) return ncl; |
6feb400f | 1371 | if (returnVal==3) return Double_t(nclBelowThr)/Double_t(nclBelowThr+ncl); |
1372 | if (returnVal==4) return meanL; | |
1373 | if (returnVal==5) return meanD; | |
1374 | if (returnVal==6) return mean2; | |
1375 | if (returnVal==7) return mean3; | |
1376 | if (returnVal==8) return meanS; | |
83afd539 | 1377 | return mean; |
0a65832b | 1378 | } |
1379 | ||
83afd539 | 1380 | |
0a65832b | 1381 | |
1382 | ||
eb02f63a | 1383 | Float_t AliTPCseed::CookShape(Int_t type){ |
1384 | // | |
1385 | // | |
1386 | // | |
1387 | //----------------------------------------------------------------- | |
1388 | // This funtion calculates dE/dX within the "low" and "up" cuts. | |
1389 | //----------------------------------------------------------------- | |
1390 | Float_t means=0; | |
1391 | Float_t meanc=0; | |
1392 | for (Int_t i =0; i<160;i++) { | |
1393 | AliTPCTrackerPoint * point = GetTrackPoint(i); | |
1394 | if (point==0) continue; | |
1395 | ||
1396 | AliTPCclusterMI * cl = fClusterPointer[i]; | |
1397 | if (cl==0) continue; | |
1398 | ||
1399 | Float_t rsigmay = TMath::Sqrt(point->GetSigmaY()); | |
1400 | Float_t rsigmaz = TMath::Sqrt(point->GetSigmaZ()); | |
1401 | Float_t rsigma = (rsigmay+rsigmaz)*0.5; | |
1402 | if (type==0) means+=rsigma; | |
1403 | if (type==1) means+=rsigmay; | |
1404 | if (type==2) means+=rsigmaz; | |
1405 | meanc++; | |
1406 | } | |
1407 | Float_t mean = (meanc>0)? means/meanc:0; | |
1408 | return mean; | |
1409 | } | |
87e92a27 | 1410 | |
1411 | ||
1412 | ||
1413 | Int_t AliTPCseed::RefitTrack(AliTPCseed *seed, AliExternalTrackParam * parin, AliExternalTrackParam * parout){ | |
1414 | // | |
1415 | // Refit the track | |
1416 | // return value - number of used clusters | |
1417 | // | |
1418 | // | |
1419 | const Int_t kMinNcl =10; | |
1420 | AliTPCseed *track=new AliTPCseed(*seed); | |
1421 | Int_t sector=-1; | |
1422 | // reset covariance | |
1423 | // | |
1424 | Double_t covar[15]; | |
1425 | for (Int_t i=0;i<15;i++) covar[i]=0; | |
1426 | covar[0]=10.*10.; | |
1427 | covar[2]=10.*10.; | |
1428 | covar[5]=10.*10./(64.*64.); | |
1429 | covar[9]=10.*10./(64.*64.); | |
1430 | covar[14]=1*1; | |
1431 | // | |
1432 | ||
1433 | Float_t xmin=1000, xmax=-10000; | |
1434 | Int_t imin=158, imax=0; | |
1435 | for (Int_t i=0;i<160;i++) { | |
1436 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1791d824 | 1437 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; |
87e92a27 | 1438 | if (sector<0) sector = c->GetDetector(); |
1439 | if (c->GetX()<xmin) xmin=c->GetX(); | |
1440 | if (c->GetX()>xmax) xmax=c->GetX(); | |
1441 | if (i<imin) imin=i; | |
1442 | if (i>imax) imax=i; | |
1443 | } | |
1444 | if(imax-imin<kMinNcl) { | |
1445 | delete track; | |
1446 | return 0 ; | |
1447 | } | |
1448 | // Not succes to rotate | |
1449 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1450 | delete track; | |
1451 | return 0; | |
1452 | } | |
1453 | // | |
1454 | // | |
1455 | // fit from inner to outer row | |
1456 | // | |
1457 | AliExternalTrackParam paramIn; | |
1458 | AliExternalTrackParam paramOut; | |
1459 | Bool_t isOK=kTRUE; | |
be34cb88 | 1460 | Int_t ncl=0; |
87e92a27 | 1461 | // |
1462 | // | |
1463 | // | |
1464 | for (Int_t i=imin; i<=imax; i++){ | |
1465 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1791d824 | 1466 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; |
87e92a27 | 1467 | // if (RejectCluster(c,track)) continue; |
be34cb88 | 1468 | sector = (c->GetDetector()%18); |
1469 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1470 | //continue; | |
1471 | } | |
87e92a27 | 1472 | Double_t r[3]={c->GetX(),c->GetY(),c->GetZ()}; |
1473 | Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation | |
1474 | if (!track->PropagateTo(r[0])) { | |
1475 | isOK=kFALSE; | |
87e92a27 | 1476 | } |
1477 | if ( !((static_cast<AliExternalTrackParam*>(track)->Update(&r[1],cov)))) isOK=kFALSE; | |
1478 | } | |
1479 | if (!isOK) { delete track; return 0;} | |
1480 | track->AddCovariance(covar); | |
1481 | // | |
1482 | // | |
1483 | // | |
1484 | for (Int_t i=imax; i>=imin; i--){ | |
1485 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1791d824 | 1486 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; |
87e92a27 | 1487 | //if (RejectCluster(c,track)) continue; |
be34cb88 | 1488 | sector = (c->GetDetector()%18); |
1489 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1490 | //continue; | |
1491 | } | |
87e92a27 | 1492 | Double_t r[3]={c->GetX(),c->GetY(),c->GetZ()}; |
1493 | Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation | |
1494 | if (!track->PropagateTo(r[0])) { | |
1495 | isOK=kFALSE; | |
87e92a27 | 1496 | } |
1497 | if ( !((static_cast<AliExternalTrackParam*>(track)->Update(&r[1],cov)))) isOK=kFALSE; | |
1498 | } | |
be34cb88 | 1499 | //if (!isOK) { delete track; return 0;} |
87e92a27 | 1500 | paramIn = *track; |
1501 | track->AddCovariance(covar); | |
1502 | // | |
1503 | // | |
1504 | for (Int_t i=imin; i<=imax; i++){ | |
1505 | AliTPCclusterMI *c=track->GetClusterPointer(i); | |
1791d824 | 1506 | if (!c || (track->GetClusterIndex(i) & 0x8000)) continue; |
be34cb88 | 1507 | sector = (c->GetDetector()%18); |
1508 | if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) { | |
1509 | //continue; | |
1510 | } | |
1511 | ncl++; | |
87e92a27 | 1512 | //if (RejectCluster(c,track)) continue; |
1513 | Double_t r[3]={c->GetX(),c->GetY(),c->GetZ()}; | |
1514 | Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation | |
1515 | if (!track->PropagateTo(r[0])) { | |
1516 | isOK=kFALSE; | |
87e92a27 | 1517 | } |
1518 | if ( !((static_cast<AliExternalTrackParam*>(track)->Update(&r[1],cov)))) isOK=kFALSE; | |
1519 | } | |
be34cb88 | 1520 | //if (!isOK) { delete track; return 0;} |
87e92a27 | 1521 | paramOut=*track; |
87e92a27 | 1522 | // |
1523 | // | |
1524 | // | |
1525 | if (parin) (*parin)=paramIn; | |
1526 | if (parout) (*parout)=paramOut; | |
6e23caff | 1527 | delete track; |
be34cb88 | 1528 | return ncl; |
87e92a27 | 1529 | } |
1530 | ||
1531 | ||
1532 | ||
1533 | Bool_t AliTPCseed::RefitTrack(AliTPCseed* /*seed*/, Bool_t /*out*/){ | |
1534 | // | |
1535 | // | |
1536 | // | |
1537 | return kFALSE; | |
1538 | } | |
3247d397 | 1539 | |
1540 | ||
1541 | ||
1542 | ||
1543 | ||
1544 | ||
1545 | void AliTPCseed::GetError(AliTPCclusterMI* cluster, AliExternalTrackParam * param, | |
1546 | Double_t& erry, Double_t &errz) | |
1547 | { | |
1548 | // | |
1549 | // Get cluster error at given position | |
1550 | // | |
1551 | AliTPCClusterParam *clusterParam = AliTPCcalibDB::Instance()->GetClusterParam(); | |
1552 | Double_t tany,tanz; | |
1553 | Double_t snp1=param->GetSnp(); | |
60e55aee | 1554 | tany=snp1/TMath::Sqrt((1.-snp1)*(1.+snp1)); |
3247d397 | 1555 | // |
1556 | Double_t tgl1=param->GetTgl(); | |
60e55aee | 1557 | tanz=tgl1/TMath::Sqrt((1.-snp1)*(1.+snp1)); |
3247d397 | 1558 | // |
1559 | Int_t padSize = 0; // short pads | |
1560 | if (cluster->GetDetector() >= 36) { | |
1561 | padSize = 1; // medium pads | |
1562 | if (cluster->GetRow() > 63) padSize = 2; // long pads | |
1563 | } | |
1564 | ||
1565 | erry = clusterParam->GetError0Par( 0, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tany) ); | |
1566 | errz = clusterParam->GetError0Par( 1, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tanz) ); | |
1567 | } | |
1568 | ||
1569 | ||
1570 | void AliTPCseed::GetShape(AliTPCclusterMI* cluster, AliExternalTrackParam * param, | |
1571 | Double_t& rmsy, Double_t &rmsz) | |
1572 | { | |
1573 | // | |
1574 | // Get cluster error at given position | |
1575 | // | |
1576 | AliTPCClusterParam *clusterParam = AliTPCcalibDB::Instance()->GetClusterParam(); | |
1577 | Double_t tany,tanz; | |
1578 | Double_t snp1=param->GetSnp(); | |
60e55aee | 1579 | tany=snp1/TMath::Sqrt((1.-snp1)*(1.+snp1)); |
3247d397 | 1580 | // |
1581 | Double_t tgl1=param->GetTgl(); | |
60e55aee | 1582 | tanz=tgl1/TMath::Sqrt((1.-snp1)*(1.+snp1)); |
3247d397 | 1583 | // |
1584 | Int_t padSize = 0; // short pads | |
1585 | if (cluster->GetDetector() >= 36) { | |
1586 | padSize = 1; // medium pads | |
1587 | if (cluster->GetRow() > 63) padSize = 2; // long pads | |
1588 | } | |
1589 | ||
1590 | rmsy = clusterParam->GetRMSQ( 0, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tany), TMath::Abs(cluster->GetMax()) ); | |
1591 | rmsz = clusterParam->GetRMSQ( 1, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tanz) ,TMath::Abs(cluster->GetMax())); | |
1592 | } | |
ba5e52fb | 1593 | |
1594 | ||
1595 | ||
1596 | Double_t AliTPCseed::GetQCorrGeom(Float_t ty, Float_t tz){ | |
1597 | //Geoetrical | |
1598 | //ty - tangent in local y direction | |
1599 | //tz - tangent | |
1600 | // | |
1601 | Float_t norm=TMath::Sqrt(1+ty*ty+tz*tz); | |
1602 | return norm; | |
1603 | } | |
1604 | ||
83afd539 | 1605 | 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 | 1606 | // |
1607 | // Q normalization | |
1608 | // | |
1609 | // return value = Q Normalization factor | |
1610 | // Normalization - 1 - shape factor part for full drift | |
1611 | // 1 - electron attachment for 0 drift | |
1612 | ||
1613 | // Input parameters: | |
1614 | // | |
1615 | // ipad - 0 short pad | |
1616 | // 1 medium pad | |
1617 | // 2 long pad | |
1618 | // | |
1619 | // type - 0 qmax | |
1620 | // - 1 qtot | |
1621 | // | |
1622 | //z - z position (-250,250 cm) | |
1623 | //ty - tangent in local y direction | |
1624 | //tz - tangent | |
1625 | // | |
1626 | ||
1627 | AliTPCClusterParam * paramCl = AliTPCcalibDB::Instance()->GetClusterParam(); | |
1628 | AliTPCParam * paramTPC = AliTPCcalibDB::Instance()->GetParameters(); | |
1629 | ||
1630 | if (!paramCl) return 1; | |
1631 | // | |
1632 | Double_t dr = 250.-TMath::Abs(z); | |
1633 | Double_t sy = paramCl->GetRMS0( 0,ipad, dr, TMath::Abs(ty)); | |
1634 | Double_t sy0= paramCl->GetRMS0(0,ipad, 250, 0); | |
1635 | Double_t sz = paramCl->GetRMS0( 1,ipad, dr, TMath::Abs(tz)); | |
1636 | Double_t sz0= paramCl->GetRMS0(1,ipad, 250, 0); | |
1637 | ||
1638 | Double_t sfactorMax = TMath::Sqrt(sy0*sz0/(sy*sz)); | |
1639 | ||
1640 | ||
1641 | Double_t dt = 1000000*(dr/paramTPC->GetDriftV()); //time in microsecond | |
1642 | Double_t attProb = TMath::Exp(-paramTPC->GetAttCoef()*paramTPC->GetOxyCont()*dt); | |
1643 | // | |
1644 | // | |
1645 | if (type==0) return sfactorMax*attProb; | |
1646 | ||
1647 | return attProb; | |
1648 | ||
1649 | ||
1650 | } | |
1651 | ||
64bf5ca0 | 1652 | |
1653 | //_______________________________________________________________________ | |
1654 | Float_t AliTPCseed::GetTPCClustInfo(Int_t nNeighbours, Int_t type, Int_t row0, Int_t row1) | |
1655 | { | |
1656 | // | |
1657 | // TPC cluster information | |
1658 | // type 0: get fraction of found/findable clusters with neighbourhood definition | |
1659 | // 1: found clusters | |
1660 | // 2: findable (number of clusters above and below threshold) | |
1661 | // | |
1662 | // definition of findable clusters: | |
1663 | // a cluster is defined as findable if there is another cluster | |
1664 | // within +- nNeighbours pad rows. The idea is to overcome threshold | |
1665 | // effects with a very simple algorithm. | |
1666 | // | |
1667 | ||
1668 | const Float_t kClusterShapeCut = 1.5; // IMPPRTANT TO DO: move value to AliTPCRecoParam | |
1669 | const Float_t ktany = TMath::Tan(TMath::DegToRad()*10); | |
1670 | const Float_t kedgey =3.; | |
1671 | ||
1672 | Float_t ncl = 0; | |
1673 | Float_t nclBelowThr = 0; // counts number of clusters below threshold | |
1674 | ||
1675 | for (Int_t irow=row0; irow<row1; irow++){ | |
1676 | AliTPCclusterMI* cluster = GetClusterPointer(irow); | |
1677 | ||
1678 | if (!cluster && irow > 1 && irow < 157) { | |
1679 | Bool_t isClBefore = kFALSE; | |
1680 | Bool_t isClAfter = kFALSE; | |
1681 | for(Int_t ithres = 1; ithres <= nNeighbours; ithres++) { | |
1682 | AliTPCclusterMI * clusterBefore = GetClusterPointer(irow - ithres); | |
1683 | if (clusterBefore) isClBefore = kTRUE; | |
1684 | AliTPCclusterMI * clusterAfter = GetClusterPointer(irow + ithres); | |
1685 | if (clusterAfter) isClAfter = kTRUE; | |
1686 | } | |
1687 | if (isClBefore && isClAfter) nclBelowThr++; | |
1688 | } | |
1689 | if (!cluster) continue; | |
1690 | // | |
1691 | // | |
1692 | if (TMath::Abs(cluster->GetY())>cluster->GetX()*ktany-kedgey) continue; // edge cluster | |
1693 | // | |
1694 | AliTPCTrackerPoint * point = GetTrackPoint(irow); | |
1695 | if (point==0) continue; | |
1696 | Float_t rsigmay = TMath::Sqrt(point->GetSigmaY()); | |
1697 | if (rsigmay > kClusterShapeCut) continue; | |
1698 | // | |
1699 | if (cluster->IsUsed(11)) continue; // remove shared clusters for PbPb | |
1700 | ncl++; | |
1701 | } | |
1702 | ||
1703 | if(ncl<10) | |
1704 | return 0; | |
1705 | if(type==0) | |
1706 | if(nclBelowThr+ncl>0) | |
1707 | return ncl/(nclBelowThr+ncl); | |
1708 | if(type==1) | |
1709 | return ncl; | |
1710 | if(type==2) | |
1711 | return ncl+nclBelowThr; | |
1712 | return 0; | |
1713 | } | |
1791d824 | 1714 | //_______________________________________________________________________ |
1715 | Int_t AliTPCseed::GetNumberOfClustersIndices() { | |
1716 | Int_t ncls = 0; | |
1717 | for (int i=0; i < 160; i++) { | |
1718 | if ((fIndex[i] & 0x8000) == 0) | |
1719 | ncls++; | |
1720 | } | |
1721 | return ncls; | |
1722 | } | |
f06a1ff6 | 1723 | |
1724 | //_______________________________________________________________________ | |
1725 | void AliTPCseed::Clear(Option_t*) | |
1726 | { | |
1727 | // formally seed may allocate memory for clusters (althought this should not happen for | |
1728 | // the seeds in the pool). Hence we need this method for fwd. compatibility | |
1729 | if (fClusterOwner) for (int i=160;i--;) {delete fClusterPointer[i]; fClusterPointer[i] = 0;} | |
1730 | } |