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04366a57 1/**************************************************************************
b42cfa25 2 * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
04366a57 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 **************************************************************************/
308b5ea4 15
16/* $Id$ */
17
04366a57 18////////////////////////////////////////////////////////////////////////////
19// Implementation of the ITS clusterer V2 class //
20// //
21// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch //
308b5ea4 22// Revised: Enrico Fragiacomo, enrico.fragiacomo@ts.infn.it //
04366a57 23// //
24///////////////////////////////////////////////////////////////////////////
25
308b5ea4 26#include <Riostream.h>
27
04366a57 28
29#include "AliITSClusterFinderV2SSD.h"
00a7cc50 30#include "AliITSRecPoint.h"
1f3e997f 31#include "AliITSgeomTGeo.h"
7d62fb64 32#include "AliITSDetTypeRec.h"
04366a57 33#include "AliRawReader.h"
34#include "AliITSRawStreamSSD.h"
04366a57 35#include <TClonesArray.h>
04366a57 36#include "AliITSdigitSSD.h"
3a4139a2 37#include "AliITSCalibrationSSD.h"
04366a57 38
308b5ea4 39Short_t *AliITSClusterFinderV2SSD::fgPairs = 0x0;
40Int_t AliITSClusterFinderV2SSD::fgPairsSize = 0;
c157c94e 41
04366a57 42ClassImp(AliITSClusterFinderV2SSD)
43
44
e56160b8 45AliITSClusterFinderV2SSD::AliITSClusterFinderV2SSD(AliITSDetTypeRec* dettyp):AliITSClusterFinderV2(dettyp),
1f3e997f 46fLastSSD1(AliITSgeomTGeo::GetModuleIndex(6,1,1)-1),
e56160b8 47fYpitchSSD(0.0095),
48fHwSSD(3.65),
49fHlSSD(2.00),
50fTanP(0.0275),
51fTanN(0.0075){
04366a57 52
53 //Default constructor
54
04366a57 55}
56
308b5ea4 57//______________________________________________________________________
58AliITSClusterFinderV2SSD::AliITSClusterFinderV2SSD(const AliITSClusterFinderV2SSD &cf) : AliITSClusterFinderV2(cf), fLastSSD1(cf.fLastSSD1),
59fYpitchSSD(cf.fYpitchSSD),
60fHwSSD(cf.fHwSSD),
61fHlSSD(cf.fHlSSD),
62fTanP(cf.fTanP),
63fTanN(cf.fTanN)
64{
65 // Copy constructor
66
67}
68
69//______________________________________________________________________
70AliITSClusterFinderV2SSD& AliITSClusterFinderV2SSD::operator=(const AliITSClusterFinderV2SSD& cf ){
71 // Assignment operator
72
73 this->~AliITSClusterFinderV2SSD();
74 new(this) AliITSClusterFinderV2SSD(cf);
75 return *this;
76}
77
04366a57 78
79void AliITSClusterFinderV2SSD::FindRawClusters(Int_t mod){
80
81 //Find clusters V2
82 SetModule(mod);
83 FindClustersSSD(fDigits);
84
85}
86
87void AliITSClusterFinderV2SSD::FindClustersSSD(TClonesArray *alldigits) {
88 //------------------------------------------------------------
89 // Actual SSD cluster finder
90 //------------------------------------------------------------
3a4139a2 91 AliITSCalibrationSSD* cal = (AliITSCalibrationSSD*)GetResp(fModule);
92 Float_t gain=0;
93
04366a57 94 Int_t smaxall=alldigits->GetEntriesFast();
95 if (smaxall==0) return;
f7b30404 96 // TObjArray *digits = new TObjArray;
97 TObjArray digits;
04366a57 98 for (Int_t i=0;i<smaxall; i++){
99 AliITSdigitSSD *d=(AliITSdigitSSD*)alldigits->UncheckedAt(i);
3a4139a2 100
101 if(d->IsSideP()) gain = cal->GetGainP(d->GetStripNumber());
102 else gain = cal->GetGainN(d->GetStripNumber());
103
104 Float_t q=gain*d->GetSignal(); // calibration brings mip peaks around 120 (in ADC units)
105 q=cal->ADCToKeV(q); // converts the charge in KeV from ADC units
106 //Float_t q=d->GetSignal()/4.29;// temp. fix (for PID purposed - normalis. to be checked)
6490e1c5 107 d->SetSignal(Int_t(q));
3a4139a2 108
04366a57 109 if (d->GetSignal()<3) continue;
f7b30404 110 digits.AddLast(d);
04366a57 111 }
f7b30404 112 Int_t smax = digits.GetEntriesFast();
04366a57 113 if (smax==0) return;
114
115 const Int_t kMax=1000;
116 Int_t np=0, nn=0;
117 Ali1Dcluster pos[kMax], neg[kMax];
118 Float_t y=0., q=0., qmax=0.;
119 Int_t lab[4]={-2,-2,-2,-2};
120
f7b30404 121 AliITSdigitSSD *d=(AliITSdigitSSD*)digits.UncheckedAt(0);
04366a57 122 q += d->GetSignal();
123 y += d->GetCoord2()*d->GetSignal();
124 qmax=d->GetSignal();
125 lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2);
126 Int_t curr=d->GetCoord2();
127 Int_t flag=d->GetCoord1();
128 Int_t *n=&nn;
129 Ali1Dcluster *c=neg;
130 Int_t nd=1;
131 Int_t milab[10];
132 for (Int_t ilab=0;ilab<10;ilab++){
133 milab[ilab]=-2;
134 }
135 milab[0]=d->GetTrack(0); milab[1]=d->GetTrack(1); milab[2]=d->GetTrack(2);
136
137 for (Int_t s=1; s<smax; s++) {
f7b30404 138 d=(AliITSdigitSSD*)digits.UncheckedAt(s);
04366a57 139 Int_t strip=d->GetCoord2();
140 if ((strip-curr) > 1 || flag!=d->GetCoord1()) {
141 c[*n].SetY(y/q);
142 c[*n].SetQ(q);
143 c[*n].SetNd(nd);
144 CheckLabels2(milab);
145 c[*n].SetLabels(milab);
146 //Split suspiciously big cluster
04366a57 147 if (nd>4&&nd<25) {
148 c[*n].SetY(y/q-0.25*nd);
149 c[*n].SetQ(0.5*q);
150 (*n)++;
151 if (*n==kMax) {
152 Error("FindClustersSSD","Too many 1D clusters !");
153 return;
154 }
155 c[*n].SetY(y/q+0.25*nd);
156 c[*n].SetQ(0.5*q);
157 c[*n].SetNd(nd);
158 c[*n].SetLabels(milab);
159 }
160 (*n)++;
161 if (*n==kMax) {
162 Error("FindClustersSSD","Too many 1D clusters !");
163 return;
164 }
165 y=q=qmax=0.;
166 nd=0;
167 lab[0]=lab[1]=lab[2]=-2;
168 //
169 for (Int_t ilab=0;ilab<10;ilab++){
170 milab[ilab]=-2;
171 }
172 //
173 if (flag!=d->GetCoord1()) { n=&np; c=pos; }
174 }
175 flag=d->GetCoord1();
176 q += d->GetSignal();
177 y += d->GetCoord2()*d->GetSignal();
178 nd++;
179 if (d->GetSignal()>qmax) {
180 qmax=d->GetSignal();
181 lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2);
182 }
183 for (Int_t ilab=0;ilab<10;ilab++) {
184 if (d->GetTrack(ilab)>=0) AddLabel(milab, (d->GetTrack(ilab)));
185 }
186 curr=strip;
187 }
188 c[*n].SetY(y/q);
189 c[*n].SetQ(q);
190 c[*n].SetNd(nd);
191 c[*n].SetLabels(lab);
192 //Split suspiciously big cluster
193 if (nd>4 && nd<25) {
194 c[*n].SetY(y/q-0.25*nd);
195 c[*n].SetQ(0.5*q);
196 (*n)++;
197 if (*n==kMax) {
198 Error("FindClustersSSD","Too many 1D clusters !");
199 return;
200 }
201 c[*n].SetY(y/q+0.25*nd);
202 c[*n].SetQ(0.5*q);
203 c[*n].SetNd(nd);
204 c[*n].SetLabels(lab);
205 }
206 (*n)++;
207 if (*n==kMax) {
208 Error("FindClustersSSD","Too many 1D clusters !");
209 return;
210 }
211
212 FindClustersSSD(neg, nn, pos, np);
213}
214
215
216void AliITSClusterFinderV2SSD::RawdataToClusters(AliRawReader* rawReader,TClonesArray** clusters){
217
218 //------------------------------------------------------------
219 // This function creates ITS clusters from raw data
220 //------------------------------------------------------------
221 rawReader->Reset();
b42cfa25 222 /*
223 const UInt_t *evid; evid = rawReader->GetEventId();
224 cout<<"Event="<<evid[0]<<endl;
225 */
04366a57 226 AliITSRawStreamSSD inputSSD(rawReader);
8297cd8f 227 // rawReader->SelectEquipment(-1,0,15);
04366a57 228 FindClustersSSD(&inputSSD,clusters);
229
230}
231
3a4139a2 232void AliITSClusterFinderV2SSD::FindClustersSSD(AliITSRawStreamSSD* input,
04366a57 233 TClonesArray** clusters)
234{
235 //------------------------------------------------------------
236 // Actual SSD cluster finder for raw data
237 //------------------------------------------------------------
238 Int_t nClustersSSD = 0;
239 const Int_t kMax = 1000;
240 Ali1Dcluster clusters1D[2][kMax];
241 Int_t nClusters[2] = {0, 0};
242 Int_t lab[3]={-2,-2,-2};
243 Float_t q = 0.;
244 Float_t y = 0.;
245 Int_t nDigits = 0;
3a4139a2 246 Float_t gain=0;
308b5ea4 247 Float_t noise=0.;
b42cfa25 248 Float_t pedestal=0.;
308b5ea4 249 Float_t oldnoise=0.;
b4704be3 250 AliITSCalibrationSSD* cal=NULL;
308b5ea4 251
308b5ea4 252 Int_t matrix[12][1536];
d5ad0697 253 Int_t iddl=-1;
254 Int_t iad=-1;
255 Int_t oddl = -1;
256 Int_t oad = -1;
257 Int_t oadc = -1;
258 Int_t ostrip = -1;
308b5ea4 259 Int_t osignal = 65535;
308b5ea4 260 Int_t n=0;
261 Bool_t next=0;
04366a57 262
263 // read raw data input stream
264 while (kTRUE) {
308b5ea4 265
266 // reset signal matrix
267 for(Int_t i=0; i<12; i++) { for(Int_t j=0; j<1536; j++) { matrix[i][j] = 65535;} }
b42cfa25 268
308b5ea4 269 if(osignal!=65535) {
270 n++;
271 matrix[oadc][ostrip] = osignal; // recover data from previous occurence of input->Next()
272 }
b42cfa25 273
308b5ea4 274 // buffer data for ddl=iddl and ad=iad
275 while(kTRUE) {
b42cfa25 276
308b5ea4 277 next = input->Next();
d5ad0697 278 if((!next)&&(input->flag)) continue;
279 Int_t ddl=input->GetDDL();
280 Int_t ad=input->GetAD();
281 Int_t adc = input->GetADC(); adc = (adc<6)? adc : adc - 2;
282 Int_t strip = input->GetStrip();
308b5ea4 283 if(input->GetSideFlag()) strip=1535-strip;
d5ad0697 284 Int_t signal = input->GetSignal();
308b5ea4 285 //cout<<ddl<<" "<<ad<<" "<<adc<<" "<<strip<<" "<<signal<<endl;
b42cfa25 286
308b5ea4 287 if((ddl==iddl)&&(ad==iad)) {n++; matrix[adc][strip] = signal;}
288 else {oddl=iddl; oad=iad; oadc = adc; ostrip = strip; osignal=signal; iddl=ddl; iad=ad; break;}
289
b42cfa25 290 if(!next) {oddl=iddl; oad=iad; oadc = adc; ostrip = strip; osignal=signal; iddl=ddl; iad=ad; break;}
291 //break;
308b5ea4 292 }
b42cfa25 293
294 // No SSD data
d5ad0697 295 if(!next && oddl<0) break;
b42cfa25 296
308b5ea4 297 if(n==0) continue; // first occurence
298 n=0; osignal=0;
b42cfa25 299
308b5ea4 300 // fill 1Dclusters
301 for(Int_t iadc=0; iadc<12; iadc++) { // loop over ADC index for ddl=oddl and ad=oad
b42cfa25 302
308b5ea4 303 Int_t iimod = (oad - 1) * 12 + iadc;
d5ad0697 304 Int_t iModule = AliITSRawStreamSSD::GetModuleNumber(oddl,iimod);
308b5ea4 305 if(iModule==-1) continue;
b42cfa25 306 // cout<<"ddl="<<oddl<<" ad"<<oad<<" module="<<iModule<<endl;
308b5ea4 307 cal = (AliITSCalibrationSSD*)GetResp(iModule);
b42cfa25 308
308b5ea4 309 Bool_t first = 0;
b42cfa25 310
308b5ea4 311 for(Int_t istrip=0; istrip<768; istrip++) { // P-side
d5ad0697 312 Int_t signal = matrix[iadc][istrip];
b42cfa25 313 pedestal = cal->GetPedestalP(istrip);
314 matrix[iadc][istrip]=signal-pedestal;
315 }
316
317 Float_t cmode=0;
318 for(Int_t l=0; l<6; l++) {
319 cmode=0;
320 for(Int_t n=20; n<108; n++) cmode+=matrix[iadc][l*128+n];
321 cmode/=88.;
322 for(Int_t n=0; n<128; n++) matrix[iadc][l*128+n]-=cmode;
323
324 }
325
326 for(Int_t istrip=0; istrip<768; istrip++) { // P-side
327
328 Int_t signal = TMath::Abs(matrix[iadc][istrip]);
329
308b5ea4 330 oldnoise = noise;
b42cfa25 331 noise = cal->GetNoiseP(istrip); if(noise<1.) signal = 65535;
332 if(signal<5*noise) signal = 65535; // in case ZS was not done in hw do it now
333 if( (signal<30.) || (istrip<10) || (istrip>758) ) signal=65535;
308b5ea4 334
335 if (signal!=65535) {
336 gain = cal->GetGainP(istrip);
337 signal = (Int_t) ( signal * gain ); // signal is corrected for gain
308b5ea4 338 signal = (Int_t) cal->ADCToKeV( signal ); // signal is converted in KeV
b42cfa25 339
308b5ea4 340 q += signal; // add digit to current cluster
341 y += istrip * signal;
342 nDigits++;
343 first=1;
344 }
b42cfa25 345
308b5ea4 346 else if(first) {
b42cfa25 347
308b5ea4 348 if ( ((nDigits==1)&&(q>5*oldnoise)) || (nDigits>1) ) {
b42cfa25 349
308b5ea4 350 Ali1Dcluster& cluster = clusters1D[0][nClusters[0]++];
351 cluster.SetY(y/q);
352 cluster.SetQ(q);
353 cluster.SetNd(nDigits);
354 cluster.SetLabels(lab);
355
356 //Split suspiciously big cluster
357 if (nDigits > 4&&nDigits < 25) {
358 cluster.SetY(y/q - 0.25*nDigits);
359 cluster.SetQ(0.5*q);
360 if (nClusters[0] == kMax) {
361 Error("FindClustersSSD", "Too many 1D clusters !");
362 return;
363 }
364 Ali1Dcluster& cluster2 = clusters1D[0][nClusters[0]++];
365 cluster2.SetY(y/q + 0.25*nDigits);
366 cluster2.SetQ(0.5*q);
367 cluster2.SetNd(nDigits);
368 cluster2.SetLabels(lab);
369 }
370
371 }
372
373 y = q = 0.;
374 nDigits = 0;
375 first=0;
04366a57 376 }
308b5ea4 377
378 } // loop over strip on P-side
379
380 // if last strip does have signal
381 if(first) {
382
383 if ( ((nDigits==1)&&(q>5*oldnoise)) || (nDigits>1) ) {
384
385 Ali1Dcluster& cluster = clusters1D[0][nClusters[0]++];
386 cluster.SetY(y/q);
387 cluster.SetQ(q);
388 cluster.SetNd(nDigits);
389 cluster.SetLabels(lab);
390
391 //Split suspiciously big cluster
392 if (nDigits > 4&&nDigits < 25) {
393 cluster.SetY(y/q - 0.25*nDigits);
394 cluster.SetQ(0.5*q);
395 if (nClusters[0] == kMax) {
396 Error("FindClustersSSD", "Too many 1D clusters !");
397 return;
398 }
399 Ali1Dcluster& cluster2 = clusters1D[0][nClusters[0]++];
400 cluster2.SetY(y/q + 0.25*nDigits);
401 cluster2.SetQ(0.5*q);
402 cluster2.SetNd(nDigits);
403 cluster2.SetLabels(lab);
404 }
405
406 }
407 y = q = 0.;
408 nDigits = 0;
409 first=0;
04366a57 410 }
308b5ea4 411
b42cfa25 412 for(Int_t istrip=768; istrip<1536; istrip++) { // P-side
413 Int_t signal = matrix[iadc][istrip];
414 pedestal = cal->GetPedestalN(1535-istrip);
415 matrix[iadc][istrip]=signal-pedestal;
416 }
417
418 for(Int_t l=6; l<12; l++) {
419 Float_t cmode=0;
420 for(Int_t n=20; n<108; n++) cmode+=matrix[iadc][l*128+n];
421 cmode/=88.;
422 for(Int_t n=0; n<128; n++) matrix[iadc][l*128+n]-=cmode;
423 }
424
308b5ea4 425 oldnoise = 0.;
426 noise = 0.;
427 for(Int_t istrip=768; istrip<1536; istrip++) { // N-side
428
b42cfa25 429 Int_t signal = TMath::Abs(matrix[iadc][istrip]);
430 //cout<<"####"<<" "<<oddl<<" "<<oad<<" "<<iadc<<" "<<istrip<<" "<<signal<<endl;
431
d5ad0697 432 Int_t strip = 1535-istrip;
b42cfa25 433
308b5ea4 434 oldnoise = noise;
b42cfa25 435 noise = cal->GetNoiseN(strip); if(noise<1.) signal=65535;
436 if(signal<5*noise) signal = 65535; // in case ZS was not done in hw do it now
437 if( (signal<30.) || (istrip<778) || (istrip>1526) ) signal=65535;
308b5ea4 438
439 if (signal!=65535) {
b42cfa25 440 // cout<<"ddl="<<oddl<<" ad"<<oad<<" module="<<iModule<<" strip= "<<istrip<<
441 // " sig="<<signal<<" "<<cal->GetPedestalN(strip)<<endl;
308b5ea4 442 gain = cal->GetGainN(strip);
443 signal = (Int_t) ( signal * gain); // signal is corrected for gain
444 signal = (Int_t) cal->ADCToKeV( signal ); // signal is converted in KeV
445
446 // add digit to current cluster
447 q += signal;
448 y += strip * signal;
449 nDigits++;
450 first=1;
451 }
452
453 else if(first) {
454
455 if ( ((nDigits==1)&&(q>5*oldnoise)) || (nDigits>1) ) {
456
457 Ali1Dcluster& cluster = clusters1D[1][nClusters[1]++];
458 cluster.SetY(y/q);
459 cluster.SetQ(q);
460 cluster.SetNd(nDigits);
461 cluster.SetLabels(lab);
462
463 //Split suspiciously big cluster
464 if (nDigits > 4&&nDigits < 25) {
465 cluster.SetY(y/q - 0.25*nDigits);
466 cluster.SetQ(0.5*q);
467 if (nClusters[1] == kMax) {
468 Error("FindClustersSSD", "Too many 1D clusters !");
469 return;
470 }
471 Ali1Dcluster& cluster2 = clusters1D[1][nClusters[1]++];
472 cluster2.SetY(y/q + 0.25*nDigits);
473 cluster2.SetQ(0.5*q);
474 cluster2.SetNd(nDigits);
475 cluster2.SetLabels(lab);
476 }
477
478 }
479 y = q = 0.;
480 nDigits = 0;
481 first=0;
482 }
483
484 } // loop over strips on N-side
04366a57 485
308b5ea4 486 if(first) {
487
488 if ( ((nDigits==1)&&(q>5*oldnoise)) || (nDigits>1) ) {
04366a57 489
308b5ea4 490 Ali1Dcluster& cluster = clusters1D[1][nClusters[1]++];
491 cluster.SetY(y/q);
492 cluster.SetQ(q);
493 cluster.SetNd(nDigits);
494 cluster.SetLabels(lab);
495
496 //Split suspiciously big cluster
497 if (nDigits > 4&&nDigits < 25) {
498 cluster.SetY(y/q - 0.25*nDigits);
499 cluster.SetQ(0.5*q);
500 if (nClusters[1] == kMax) {
501 Error("FindClustersSSD", "Too many 1D clusters !");
502 return;
503 }
504 Ali1Dcluster& cluster2 = clusters1D[1][nClusters[1]++];
505 cluster2.SetY(y/q + 0.25*nDigits);
506 cluster2.SetQ(0.5*q);
507 cluster2.SetNd(nDigits);
508 cluster2.SetLabels(lab);
509 }
510
511 }
512 y = q = 0.;
513 nDigits = 0;
514 first=0;
515 }
516
517 // create recpoints
518 if((nClusters[0])&&(nClusters[1])) {
519
520 //cout<<"creating recpoint for module="<<iModule<<" "<<nClusters[0]<<" "<<nClusters[1]<<endl;
00a7cc50 521 clusters[iModule] = new TClonesArray("AliITSRecPoint");
04366a57 522 fModule = iModule;
308b5ea4 523 // fModule = 500;
04366a57 524 FindClustersSSD(&clusters1D[0][0], nClusters[0],
525 &clusters1D[1][0], nClusters[1], clusters[iModule]);
526 Int_t nClusters = clusters[iModule]->GetEntriesFast();
527 nClustersSSD += nClusters;
528 }
529
04366a57 530 nClusters[0] = nClusters[1] = 0;
531 y = q = 0.;
532 nDigits = 0;
3a4139a2 533
308b5ea4 534 } // loop over adc
04366a57 535
d5ad0697 536 if(!next) break;
04366a57 537 }
308b5ea4 538
04366a57 539 Info("FindClustersSSD", "found clusters in ITS SSD: %d", nClustersSSD);
540}
541
542void AliITSClusterFinderV2SSD::
543FindClustersSSD(Ali1Dcluster* neg, Int_t nn,
544 Ali1Dcluster* pos, Int_t np,
545 TClonesArray *clusters) {
546 //------------------------------------------------------------
547 // Actual SSD cluster finder
548 //------------------------------------------------------------
b4704be3 549
308b5ea4 550 // Float_t xyz[3];
551
b4704be3 552 const TGeoHMatrix *mT2L=AliITSgeomTGeo::GetTracking2LocalMatrix(fModule);
553
04366a57 554 TClonesArray &cl=*clusters;
555 //
556 Float_t tanp=fTanP, tann=fTanN;
557 if (fModule>fLastSSD1) {tann=fTanP; tanp=fTanN;}
558 Int_t idet=fNdet[fModule];
559 Int_t ncl=0;
560 //
561 Int_t negativepair[30000];
562 Int_t cnegative[3000];
563 Int_t cused1[3000];
564 Int_t positivepair[30000];
565 Int_t cpositive[3000];
566 Int_t cused2[3000];
567 for (Int_t i=0;i<3000;i++) {cnegative[i]=0; cused1[i]=0;}
568 for (Int_t i=0;i<3000;i++) {cpositive[i]=0; cused2[i]=0;}
78538bfe 569 for (Int_t i=0;i<30000;i++) {negativepair[i]=0; positivepair[i]=0;}
c157c94e 570
308b5ea4 571 if ((np*nn) > fgPairsSize) {
572 if (fgPairs) delete [] fgPairs;
573 fgPairsSize = 4*np*nn;
574 fgPairs = new Short_t[fgPairsSize];
c157c94e 575 }
308b5ea4 576 memset(fgPairs,0,sizeof(Short_t)*np*nn);
577
04366a57 578 //
579 // find available pairs
580 //
581 for (Int_t i=0; i<np; i++) {
582 Float_t yp=pos[i].GetY()*fYpitchSSD;
583 if (pos[i].GetQ()<3) continue;
584 for (Int_t j=0; j<nn; j++) {
585 if (neg[j].GetQ()<3) continue;
586 Float_t yn=neg[j].GetY()*fYpitchSSD;
587 Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
588 Float_t yt=yn + tann*zt;
589 zt-=fHlSSD; yt-=fHwSSD;
590 if (TMath::Abs(yt)<fHwSSD+0.01)
591 if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) {
592 negativepair[i*10+cnegative[i]] =j; //index
593 positivepair[j*10+cpositive[j]] =i;
594 cnegative[i]++; //counters
595 cpositive[j]++;
308b5ea4 596 fgPairs[i*nn+j]=100;
04366a57 597 }
598 }
599 }
308b5ea4 600
601 //
602 // try to recover points out of but close to the module boundaries
04366a57 603 //
604 for (Int_t i=0; i<np; i++) {
605 Float_t yp=pos[i].GetY()*fYpitchSSD;
606 if (pos[i].GetQ()<3) continue;
607 for (Int_t j=0; j<nn; j++) {
608 if (neg[j].GetQ()<3) continue;
308b5ea4 609 // if both 1Dclusters have an other cross continue
04366a57 610 if (cpositive[j]&&cnegative[i]) continue;
611 Float_t yn=neg[j].GetY()*fYpitchSSD;
612 Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
613 Float_t yt=yn + tann*zt;
614 zt-=fHlSSD; yt-=fHwSSD;
615 if (TMath::Abs(yt)<fHwSSD+0.1)
616 if (TMath::Abs(zt)<fHlSSD+0.15) {
308b5ea4 617 // tag 1Dcluster (eventually will produce low quality recpoint)
04366a57 618 if (cnegative[i]==0) pos[i].SetNd(100); // not available pair
619 if (cpositive[j]==0) neg[j].SetNd(100); // not available pair
620 negativepair[i*10+cnegative[i]] =j; //index
621 positivepair[j*10+cpositive[j]] =i;
622 cnegative[i]++; //counters
623 cpositive[j]++;
308b5ea4 624 fgPairs[i*nn+j]=100;
04366a57 625 }
626 }
627 }
308b5ea4 628
04366a57 629 //
630 Float_t lp[5];
631 Int_t milab[10];
632 Double_t ratio;
633
634 //
635 // sign gold tracks
636 //
637 for (Int_t ip=0;ip<np;ip++){
638 Float_t ybest=1000,zbest=1000,qbest=0;
639 //
640 // select gold clusters
641 if ( (cnegative[ip]==1) && cpositive[negativepair[10*ip]]==1){
642 Float_t yp=pos[ip].GetY()*fYpitchSSD;
643 Int_t j = negativepair[10*ip];
644 ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
645 //
646 Float_t yn=neg[j].GetY()*fYpitchSSD;
647 Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
648 Float_t yt=yn + tann*zt;
649 zt-=fHlSSD; yt-=fHwSSD;
650 ybest=yt; zbest=zt;
651 qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
b42cfa25 652
653 //cout<<yt<<" "<<zt<<" "<<qbest<<endl;
654
b4704be3 655 {
656 Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.};
657 mT2L->MasterToLocal(loc,trk);
658 lp[0]=trk[1];
659 lp[1]=trk[2];
660 }
04366a57 661 lp[2]=0.0025*0.0025; //SigmaY2
662 lp[3]=0.110*0.110; //SigmaZ2
663
664 lp[4]=qbest; //Q
665 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
666 for (Int_t ilab=0;ilab<3;ilab++){
667 milab[ilab] = pos[ip].GetLabel(ilab);
668 milab[ilab+3] = neg[j].GetLabel(ilab);
669 }
670 //
671 CheckLabels2(milab);
672 milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
673 Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
00a7cc50 674 AliITSRecPoint * cl2;
308b5ea4 675
676 if(clusters){ // Note clusters != 0 when method is called for rawdata
677
678
75fb37cc 679 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 680
681 // cl2-> GetGlobalXYZ(xyz); cout<<"rec "<<xyz[0]<<" "<<xyz[1]<<" "<<xyz[2]<<endl;
682
00a7cc50 683 cl2->SetChargeRatio(ratio);
684 cl2->SetType(1);
308b5ea4 685 fgPairs[ip*nn+j]=1;
00a7cc50 686 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
687 cl2->SetType(2);
308b5ea4 688 fgPairs[ip*nn+j]=2;
00a7cc50 689 }
690 cused1[ip]++;
691 cused2[j]++;
692
693 }
308b5ea4 694 else{ // Note clusters == 0 when method is called for digits
695
75fb37cc 696 cl2 = new AliITSRecPoint(milab,lp,info);
308b5ea4 697
698 // cl2-> GetGlobalXYZ(xyz); cout<<"rec "<<xyz[0]<<" "<<xyz[1]<<" "<<xyz[2]<<endl;
699
00a7cc50 700 cl2->SetChargeRatio(ratio);
701 cl2->SetType(1);
308b5ea4 702 fgPairs[ip*nn+j]=1;
00a7cc50 703 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
704 cl2->SetType(2);
308b5ea4 705 fgPairs[ip*nn+j]=2;
00a7cc50 706 }
707 cused1[ip]++;
708 cused2[j]++;
308b5ea4 709 //cout<<"AliITSClusterFinderV2SSD "<<fModule<<" gold"<<endl;
00a7cc50 710 fDetTypeRec->AddRecPoint(*cl2);
04366a57 711 }
712 ncl++;
04366a57 713 }
714 }
715
716 for (Int_t ip=0;ip<np;ip++){
717 Float_t ybest=1000,zbest=1000,qbest=0;
718 //
719 //
720 // select "silber" cluster
721 if ( cnegative[ip]==1 && cpositive[negativepair[10*ip]]==2){
722 Int_t in = negativepair[10*ip];
723 Int_t ip2 = positivepair[10*in];
724 if (ip2==ip) ip2 = positivepair[10*in+1];
725 Float_t pcharge = pos[ip].GetQ()+pos[ip2].GetQ();
726 if (TMath::Abs(pcharge-neg[in].GetQ())<10){
727 //
728 // add first pair
308b5ea4 729 if (fgPairs[ip*nn+in]==100){ //
04366a57 730 Float_t yp=pos[ip].GetY()*fYpitchSSD;
731 Float_t yn=neg[in].GetY()*fYpitchSSD;
732 Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
733 Float_t yt=yn + tann*zt;
734 zt-=fHlSSD; yt-=fHwSSD;
735 ybest =yt; zbest=zt;
736 qbest =pos[ip].GetQ();
b4704be3 737 {
738 Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.};
739 mT2L->MasterToLocal(loc,trk);
740 lp[0]=trk[1];
741 lp[1]=trk[2];
742 }
04366a57 743 lp[2]=0.0025*0.0025; //SigmaY2
744 lp[3]=0.110*0.110; //SigmaZ2
745
746 lp[4]=qbest; //Q
747 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
748 for (Int_t ilab=0;ilab<3;ilab++){
749 milab[ilab] = pos[ip].GetLabel(ilab);
750 milab[ilab+3] = neg[in].GetLabel(ilab);
751 }
752 //
753 CheckLabels2(milab);
754 ratio = (pos[ip].GetQ()-neg[in].GetQ())/(pos[ip].GetQ()+neg[in].GetQ());
755 milab[3]=(((ip<<10) + in)<<10) + idet; // pos|neg|det
756 Int_t info[3] = {pos[ip].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
757
00a7cc50 758 AliITSRecPoint * cl2;
759 if(clusters){
308b5ea4 760
75fb37cc 761 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 762
763 // cl2-> GetGlobalXYZ(xyz); cout<<"rec "<<xyz[0]<<" "<<xyz[1]<<" "<<xyz[2]<<endl;
764
00a7cc50 765 cl2->SetChargeRatio(ratio);
766 cl2->SetType(5);
308b5ea4 767 fgPairs[ip*nn+in] = 5;
00a7cc50 768 if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster
769 cl2->SetType(6);
308b5ea4 770 fgPairs[ip*nn+in] = 6;
00a7cc50 771 }
772 }
04366a57 773 else{
75fb37cc 774 cl2 = new AliITSRecPoint(milab,lp,info);
00a7cc50 775 cl2->SetChargeRatio(ratio);
776 cl2->SetType(5);
308b5ea4 777 fgPairs[ip*nn+in] = 5;
00a7cc50 778 if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster
779 cl2->SetType(6);
308b5ea4 780 fgPairs[ip*nn+in] = 6;
00a7cc50 781 }
308b5ea4 782 //cout<<"AliITSClusterFinderV2SSD "<<fModule<<" silver1"<<endl;
783
00a7cc50 784 fDetTypeRec->AddRecPoint(*cl2);
04366a57 785 }
786 ncl++;
04366a57 787 }
00a7cc50 788
04366a57 789 //
790 // add second pair
791
00a7cc50 792 // if (!(cused1[ip2] || cused2[in])){ //
308b5ea4 793 if (fgPairs[ip2*nn+in]==100){
04366a57 794 Float_t yp=pos[ip2].GetY()*fYpitchSSD;
795 Float_t yn=neg[in].GetY()*fYpitchSSD;
796 Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
797 Float_t yt=yn + tann*zt;
798 zt-=fHlSSD; yt-=fHwSSD;
799 ybest =yt; zbest=zt;
800 qbest =pos[ip2].GetQ();
b4704be3 801 {
802 Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.};
803 mT2L->MasterToLocal(loc,trk);
804 lp[0]=trk[1];
805 lp[1]=trk[2];
806 }
04366a57 807 lp[2]=0.0025*0.0025; //SigmaY2
808 lp[3]=0.110*0.110; //SigmaZ2
809
810 lp[4]=qbest; //Q
811 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
812 for (Int_t ilab=0;ilab<3;ilab++){
813 milab[ilab] = pos[ip2].GetLabel(ilab);
814 milab[ilab+3] = neg[in].GetLabel(ilab);
815 }
816 //
817 CheckLabels2(milab);
818 ratio = (pos[ip2].GetQ()-neg[in].GetQ())/(pos[ip2].GetQ()+neg[in].GetQ());
819 milab[3]=(((ip2<<10) + in)<<10) + idet; // pos|neg|det
820 Int_t info[3] = {pos[ip2].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
00a7cc50 821
822 AliITSRecPoint * cl2;
823 if(clusters){
75fb37cc 824 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 825
826 // cl2-> GetGlobalXYZ(xyz); cout<<"rec "<<xyz[0]<<" "<<xyz[1]<<" "<<xyz[2]<<endl;
827
00a7cc50 828 cl2->SetChargeRatio(ratio);
829 cl2->SetType(5);
308b5ea4 830 fgPairs[ip2*nn+in] =5;
00a7cc50 831 if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster
832 cl2->SetType(6);
308b5ea4 833 fgPairs[ip2*nn+in] =6;
00a7cc50 834 }
835 }
04366a57 836 else{
75fb37cc 837 cl2 = new AliITSRecPoint(milab,lp,info);
00a7cc50 838 cl2->SetChargeRatio(ratio);
839 cl2->SetType(5);
308b5ea4 840 fgPairs[ip2*nn+in] =5;
00a7cc50 841 if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster
842 cl2->SetType(6);
308b5ea4 843 fgPairs[ip2*nn+in] =6;
00a7cc50 844 }
308b5ea4 845
846 // cout<<"AliITSClusterFinderV2SSD "<<fModule<<" silver2"<<endl;
00a7cc50 847 fDetTypeRec->AddRecPoint(*cl2);
04366a57 848 }
849 ncl++;
04366a57 850 }
851 cused1[ip]++;
852 cused1[ip2]++;
853 cused2[in]++;
854 }
855 }
856 }
00a7cc50 857
04366a57 858 //
859 for (Int_t jn=0;jn<nn;jn++){
860 if (cused2[jn]) continue;
861 Float_t ybest=1000,zbest=1000,qbest=0;
862 // select "silber" cluster
863 if ( cpositive[jn]==1 && cnegative[positivepair[10*jn]]==2){
864 Int_t ip = positivepair[10*jn];
865 Int_t jn2 = negativepair[10*ip];
866 if (jn2==jn) jn2 = negativepair[10*ip+1];
867 Float_t pcharge = neg[jn].GetQ()+neg[jn2].GetQ();
868 //
869 if (TMath::Abs(pcharge-pos[ip].GetQ())<10){
870 //
871 // add first pair
872 // if (!(cused1[ip]||cused2[jn])){
308b5ea4 873 if (fgPairs[ip*nn+jn]==100){
04366a57 874 Float_t yn=neg[jn].GetY()*fYpitchSSD;
875 Float_t yp=pos[ip].GetY()*fYpitchSSD;
876 Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
877 Float_t yt=yn + tann*zt;
878 zt-=fHlSSD; yt-=fHwSSD;
879 ybest =yt; zbest=zt;
880 qbest =neg[jn].GetQ();
b4704be3 881 {
882 Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.};
883 mT2L->MasterToLocal(loc,trk);
884 lp[0]=trk[1];
885 lp[1]=trk[2];
886 }
04366a57 887 lp[2]=0.0025*0.0025; //SigmaY2
888 lp[3]=0.110*0.110; //SigmaZ2
889
890 lp[4]=qbest; //Q
891 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
892 for (Int_t ilab=0;ilab<3;ilab++){
893 milab[ilab] = pos[ip].GetLabel(ilab);
894 milab[ilab+3] = neg[jn].GetLabel(ilab);
895 }
896 //
897 CheckLabels2(milab);
898 ratio = (pos[ip].GetQ()-neg[jn].GetQ())/(pos[ip].GetQ()+neg[jn].GetQ());
899 milab[3]=(((ip<<10) + jn)<<10) + idet; // pos|neg|det
900 Int_t info[3] = {pos[ip].GetNd(),neg[jn].GetNd(),fNlayer[fModule]};
901
00a7cc50 902 AliITSRecPoint * cl2;
903 if(clusters){
75fb37cc 904 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 905
906 // cl2-> GetGlobalXYZ(xyz); cout<<"rec "<<xyz[0]<<" "<<xyz[1]<<" "<<xyz[2]<<endl;
907
00a7cc50 908 cl2->SetChargeRatio(ratio);
909 cl2->SetType(7);
308b5ea4 910 fgPairs[ip*nn+jn] =7;
00a7cc50 911 if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster
912 cl2->SetType(8);
308b5ea4 913 fgPairs[ip*nn+jn]=8;
00a7cc50 914 }
915
916 }
04366a57 917 else{
75fb37cc 918 cl2 = new AliITSRecPoint(milab,lp,info);
00a7cc50 919 cl2->SetChargeRatio(ratio);
920 cl2->SetType(7);
308b5ea4 921 fgPairs[ip*nn+jn] =7;
00a7cc50 922 if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster
923 cl2->SetType(8);
308b5ea4 924 fgPairs[ip*nn+jn]=8;
00a7cc50 925 }
308b5ea4 926 //cout<<"AliITSClusterFinderV2SSD "<<fModule<<" silverN1"<<endl;
00a7cc50 927
928 fDetTypeRec->AddRecPoint(*cl2);
04366a57 929 }
930 ncl++;
04366a57 931 }
932 //
933 // add second pair
934 // if (!(cused1[ip]||cused2[jn2])){
308b5ea4 935 if (fgPairs[ip*nn+jn2]==100){
04366a57 936 Float_t yn=neg[jn2].GetY()*fYpitchSSD;
937 Double_t yp=pos[ip].GetY()*fYpitchSSD;
938 Double_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
939 Double_t yt=yn + tann*zt;
940 zt-=fHlSSD; yt-=fHwSSD;
941 ybest =yt; zbest=zt;
942 qbest =neg[jn2].GetQ();
b4704be3 943 {
944 Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.};
945 mT2L->MasterToLocal(loc,trk);
946 lp[0]=trk[1];
947 lp[1]=trk[2];
948 }
04366a57 949 lp[2]=0.0025*0.0025; //SigmaY2
950 lp[3]=0.110*0.110; //SigmaZ2
951
952 lp[4]=qbest; //Q
953 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
954 for (Int_t ilab=0;ilab<3;ilab++){
955 milab[ilab] = pos[ip].GetLabel(ilab);
956 milab[ilab+3] = neg[jn2].GetLabel(ilab);
957 }
958 //
959 CheckLabels2(milab);
960 ratio = (pos[ip].GetQ()-neg[jn2].GetQ())/(pos[ip].GetQ()+neg[jn2].GetQ());
961 milab[3]=(((ip<<10) + jn2)<<10) + idet; // pos|neg|det
962 Int_t info[3] = {pos[ip].GetNd(),neg[jn2].GetNd(),fNlayer[fModule]};
00a7cc50 963 AliITSRecPoint * cl2;
964 if(clusters){
75fb37cc 965 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 966
967 // cl2-> GetGlobalXYZ(xyz); cout<<"rec "<<xyz[0]<<" "<<xyz[1]<<" "<<xyz[2]<<endl;
968
00a7cc50 969 cl2->SetChargeRatio(ratio);
308b5ea4 970 fgPairs[ip*nn+jn2]=7;
00a7cc50 971 cl2->SetType(7);
972 if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster
973 cl2->SetType(8);
308b5ea4 974 fgPairs[ip*nn+jn2]=8;
00a7cc50 975 }
976
977 }
04366a57 978 else{
75fb37cc 979 cl2 = new AliITSRecPoint(milab,lp,info);
00a7cc50 980 cl2->SetChargeRatio(ratio);
308b5ea4 981 fgPairs[ip*nn+jn2]=7;
00a7cc50 982 cl2->SetType(7);
983 if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster
984 cl2->SetType(8);
308b5ea4 985 fgPairs[ip*nn+jn2]=8;
00a7cc50 986 }
308b5ea4 987 //cout<<"AliITSClusterFinderV2SSD "<<fModule<<" silverN2"<<endl;
988
00a7cc50 989 fDetTypeRec->AddRecPoint(*cl2);
04366a57 990 }
991
992 ncl++;
04366a57 993 }
994 cused1[ip]++;
995 cused2[jn]++;
996 cused2[jn2]++;
997 }
998 }
999 }
1000
1001 for (Int_t ip=0;ip<np;ip++){
1002 Float_t ybest=1000,zbest=1000,qbest=0;
1003 //
1004 // 2x2 clusters
1005 //
1006 if ( (cnegative[ip]<5) && cpositive[negativepair[10*ip]]<5){
1007 Float_t minchargediff =4.;
1008 Int_t j=-1;
1009 for (Int_t di=0;di<cnegative[ip];di++){
1010 Int_t jc = negativepair[ip*10+di];
1011 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1012 if (TMath::Abs(chargedif)<minchargediff){
1013 j =jc;
1014 minchargediff = TMath::Abs(chargedif);
1015 }
1016 }
1017 if (j<0) continue; // not proper cluster
308b5ea4 1018
04366a57 1019 Int_t count =0;
1020 for (Int_t di=0;di<cnegative[ip];di++){
1021 Int_t jc = negativepair[ip*10+di];
1022 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1023 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
1024 }
1025 if (count>1) continue; // more than one "proper" cluster for positive
1026 //
1027 count =0;
1028 for (Int_t dj=0;dj<cpositive[j];dj++){
1029 Int_t ic = positivepair[j*10+dj];
1030 Float_t chargedif = pos[ic].GetQ()-neg[j].GetQ();
1031 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
1032 }
1033 if (count>1) continue; // more than one "proper" cluster for negative
1034
1035 Int_t jp = 0;
1036
1037 count =0;
1038 for (Int_t dj=0;dj<cnegative[jp];dj++){
1039 Int_t ic = positivepair[jp*10+dj];
1040 Float_t chargedif = pos[ic].GetQ()-neg[jp].GetQ();
1041 if (TMath::Abs(chargedif)<minchargediff+4.) count++;
1042 }
1043 if (count>1) continue;
308b5ea4 1044 if (fgPairs[ip*nn+j]<100) continue;
04366a57 1045 //
1046 //almost gold clusters
1047 Float_t yp=pos[ip].GetY()*fYpitchSSD;
1048 Float_t yn=neg[j].GetY()*fYpitchSSD;
1049 Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
1050 Float_t yt=yn + tann*zt;
1051 zt-=fHlSSD; yt-=fHwSSD;
1052 ybest=yt; zbest=zt;
1053 qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
b4704be3 1054 {
1055 Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.};
1056 mT2L->MasterToLocal(loc,trk);
1057 lp[0]=trk[1];
1058 lp[1]=trk[2];
1059 }
04366a57 1060 lp[2]=0.0025*0.0025; //SigmaY2
1061 lp[3]=0.110*0.110; //SigmaZ2
1062 lp[4]=qbest; //Q
1063 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1064 for (Int_t ilab=0;ilab<3;ilab++){
1065 milab[ilab] = pos[ip].GetLabel(ilab);
1066 milab[ilab+3] = neg[j].GetLabel(ilab);
1067 }
1068 //
1069 CheckLabels2(milab);
1070 ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
1071 milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
1072 Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
00a7cc50 1073 AliITSRecPoint * cl2;
1074 if(clusters){
75fb37cc 1075 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 1076
1077 // cl2-> GetGlobalXYZ(xyz); cout<<"rec "<<xyz[0]<<" "<<xyz[1]<<" "<<xyz[2]<<endl;
1078
00a7cc50 1079 cl2->SetChargeRatio(ratio);
1080 cl2->SetType(10);
308b5ea4 1081 fgPairs[ip*nn+j]=10;
00a7cc50 1082 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
1083 cl2->SetType(11);
308b5ea4 1084 fgPairs[ip*nn+j]=11;
00a7cc50 1085 }
1086 cused1[ip]++;
1087 cused2[j]++;
04366a57 1088 }
00a7cc50 1089 else{
75fb37cc 1090 cl2 = new AliITSRecPoint(milab,lp,info);
00a7cc50 1091 cl2->SetChargeRatio(ratio);
1092 cl2->SetType(10);
308b5ea4 1093 fgPairs[ip*nn+j]=10;
00a7cc50 1094 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
1095 cl2->SetType(11);
308b5ea4 1096 fgPairs[ip*nn+j]=11;
00a7cc50 1097 }
1098 cused1[ip]++;
1099 cused2[j]++;
1100
308b5ea4 1101 //cout<<"AliITSClusterFinderV2SSD "<<fModule<<" 2x2"<<endl;
1102
00a7cc50 1103 fDetTypeRec->AddRecPoint(*cl2);
1104 }
04366a57 1105 ncl++;
04366a57 1106 }
1107
1108 }
1109
1110 //
1111 for (Int_t i=0; i<np; i++) {
1112 Float_t ybest=1000,zbest=1000,qbest=0;
1113 Float_t yp=pos[i].GetY()*fYpitchSSD;
1114 if (pos[i].GetQ()<3) continue;
1115 for (Int_t j=0; j<nn; j++) {
1116 // for (Int_t di = 0;di<cpositive[i];di++){
1117 // Int_t j = negativepair[10*i+di];
1118 if (neg[j].GetQ()<3) continue;
1119 if (cused2[j]||cused1[i]) continue;
308b5ea4 1120 if (fgPairs[i*nn+j]>0 &&fgPairs[i*nn+j]<100) continue;
04366a57 1121 ratio = (pos[i].GetQ()-neg[j].GetQ())/(pos[i].GetQ()+neg[j].GetQ());
1122 Float_t yn=neg[j].GetY()*fYpitchSSD;
1123 Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
1124 Float_t yt=yn + tann*zt;
1125 zt-=fHlSSD; yt-=fHwSSD;
1126 if (TMath::Abs(yt)<fHwSSD+0.01)
1127 if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) {
1128 ybest=yt; zbest=zt;
1129 qbest=0.5*(pos[i].GetQ()+neg[j].GetQ());
b4704be3 1130 {
1131 Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.};
1132 mT2L->MasterToLocal(loc,trk);
1133 lp[0]=trk[1];
1134 lp[1]=trk[2];
1135 }
04366a57 1136 lp[2]=0.0025*0.0025; //SigmaY2
1137 lp[3]=0.110*0.110; //SigmaZ2
1138
1139 lp[4]=qbest; //Q
1140 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1141 for (Int_t ilab=0;ilab<3;ilab++){
1142 milab[ilab] = pos[i].GetLabel(ilab);
1143 milab[ilab+3] = neg[j].GetLabel(ilab);
1144 }
1145 //
1146 CheckLabels2(milab);
1147 milab[3]=(((i<<10) + j)<<10) + idet; // pos|neg|det
1148 Int_t info[3] = {pos[i].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
00a7cc50 1149 AliITSRecPoint * cl2;
1150 if(clusters){
75fb37cc 1151 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 1152
1153 // cl2-> GetGlobalXYZ(xyz); cout<<"rec "<<xyz[0]<<" "<<xyz[1]<<" "<<xyz[2]<<endl;
1154
00a7cc50 1155 cl2->SetChargeRatio(ratio);
1156 cl2->SetType(100+cpositive[j]+cnegative[i]);
1157 }
04366a57 1158 else{
75fb37cc 1159 cl2 = new AliITSRecPoint(milab,lp,info);
00a7cc50 1160 cl2->SetChargeRatio(ratio);
1161 cl2->SetType(100+cpositive[j]+cnegative[i]);
308b5ea4 1162
1163 //cout<<"AliITSClusterFinderV2SSD "<<fModule<<" other"<<endl;
1164
00a7cc50 1165 fDetTypeRec->AddRecPoint(*cl2);
04366a57 1166 }
1167 ncl++;
04366a57 1168 //cl2->SetType(0);
1169 /*
308b5ea4 1170 if (fgPairs[i*nn+j]<100){
1171 printf("problem:- %d\n", fgPairs[i*nn+j]);
04366a57 1172 }
1173 if (cnegative[i]<2&&cpositive[j]<2){
308b5ea4 1174 printf("problem:- %d\n", fgPairs[i*nn+j]);
04366a57 1175 }
1176 */
1177 }
1178 }
1179 }
1180
04366a57 1181}
1182
1183