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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 //
d695268b 22// Last revision: 13-05-09 Enrico Fragiacomo //
23// enrico.fragiacomo@ts.infn.it //
04366a57 24// //
25///////////////////////////////////////////////////////////////////////////
26
308b5ea4 27#include <Riostream.h>
d695268b 28#include "AliLog.h"
04366a57 29
30#include "AliITSClusterFinderV2SSD.h"
00a7cc50 31#include "AliITSRecPoint.h"
1f3e997f 32#include "AliITSgeomTGeo.h"
7d62fb64 33#include "AliITSDetTypeRec.h"
04366a57 34#include "AliRawReader.h"
35#include "AliITSRawStreamSSD.h"
04366a57 36#include <TClonesArray.h>
04366a57 37#include "AliITSdigitSSD.h"
a86176e3 38#include "AliITSReconstructor.h"
3a4139a2 39#include "AliITSCalibrationSSD.h"
8be4e1b1 40#include "AliITSsegmentationSSD.h"
04366a57 41
308b5ea4 42Short_t *AliITSClusterFinderV2SSD::fgPairs = 0x0;
43Int_t AliITSClusterFinderV2SSD::fgPairsSize = 0;
d695268b 44const Float_t AliITSClusterFinderV2SSD::fgkThreshold = 5.;
45
42ed6062 46const Float_t AliITSClusterFinderV2SSD::fgkCosmic2008StripShifts[16][9] =
47 {{-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35}, // DDL 512
48 {-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35}, // DDL 513
49 {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15}, // DDL 514
50 {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15}, // DDL 515
51 { 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00}, // DDL 516
52 { 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00}, // DDL 517
53 {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15}, // DDL 518
54 {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15}, // DDL 519
55 {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.25,-0.15}, // DDL 520
56 {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15}, // DDL 521
57 {-0.10,-0.10,-0.10,-0.40,-0.40,-0.40,-0.10,-0.10,-0.45}, // DDL 522
58 {-0.10,-0.10,-0.10,-0.35,-0.35,-0.35,-0.10,-0.35,-0.50}, // DDL 523
59 { 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00}, // DDL 524
60 { 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00}, // DDL 525
61 { 0.35, 0.35, 0.35, 0.35, 0.35, 0.35, 0.35, 0.35, 0.35}, // DDL 526
62 { 0.45, 0.45, 0.45, 0.45, 0.45, 0.45, 0.45, 0.45, 0.45}}; // DDL 527
c157c94e 63
04366a57 64ClassImp(AliITSClusterFinderV2SSD)
65
66
5d2c2f86 67AliITSClusterFinderV2SSD::AliITSClusterFinderV2SSD(AliITSDetTypeRec* dettyp):AliITSClusterFinder(dettyp),
42ed6062 68 fLastSSD1(AliITSgeomTGeo::GetModuleIndex(6,1,1)-1)
d036ccd3 69{
8be4e1b1 70//Default constructor
04366a57 71
04366a57 72}
73
308b5ea4 74//______________________________________________________________________
5d2c2f86 75AliITSClusterFinderV2SSD::AliITSClusterFinderV2SSD(const AliITSClusterFinderV2SSD &cf) : AliITSClusterFinder(cf), fLastSSD1(cf.fLastSSD1)
308b5ea4 76{
77 // Copy constructor
308b5ea4 78}
79
80//______________________________________________________________________
81AliITSClusterFinderV2SSD& AliITSClusterFinderV2SSD::operator=(const AliITSClusterFinderV2SSD& cf ){
82 // Assignment operator
83
84 this->~AliITSClusterFinderV2SSD();
85 new(this) AliITSClusterFinderV2SSD(cf);
86 return *this;
87}
88
04366a57 89
90void AliITSClusterFinderV2SSD::FindRawClusters(Int_t mod){
91
92 //Find clusters V2
93 SetModule(mod);
94 FindClustersSSD(fDigits);
95
96}
97
98void AliITSClusterFinderV2SSD::FindClustersSSD(TClonesArray *alldigits) {
99 //------------------------------------------------------------
100 // Actual SSD cluster finder
101 //------------------------------------------------------------
d695268b 102 Int_t smaxall=alldigits->GetEntriesFast();
103 if (smaxall==0) return;
a86176e3 104
d695268b 105
106 //---------------------------------------
107 // load recoparam and calibration
108 //
109 static AliITSRecoParam *repa = NULL;
a86176e3 110 if(!repa){
111 repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
112 if(!repa){
ed446fa3 113 repa = AliITSRecoParam::GetHighFluxParam();
a86176e3 114 AliWarning("Using default AliITSRecoParam class");
115 }
116 }
117
3a4139a2 118 AliITSCalibrationSSD* cal = (AliITSCalibrationSSD*)GetResp(fModule);
119 Float_t gain=0;
d695268b 120 Float_t noise=0;
121 //---------------------------------------
3a4139a2 122
d695268b 123
124 //------------------------------------
125 // fill the digits array with zero-suppression condition
126 // Signal is converted in KeV
127 //
f7b30404 128 TObjArray digits;
04366a57 129 for (Int_t i=0;i<smaxall; i++){
130 AliITSdigitSSD *d=(AliITSdigitSSD*)alldigits->UncheckedAt(i);
3a4139a2 131
d695268b 132 if(d->IsSideP()) noise = cal->GetNoiseP(d->GetStripNumber());
133 else noise = cal->GetNoiseN(d->GetStripNumber());
134 if (d->GetSignal()<3.*noise) continue;
135
3a4139a2 136 if(d->IsSideP()) gain = cal->GetGainP(d->GetStripNumber());
137 else gain = cal->GetGainN(d->GetStripNumber());
138
d695268b 139 Float_t q=gain*d->GetSignal(); //
3a4139a2 140 q=cal->ADCToKeV(q); // converts the charge in KeV from ADC units
6490e1c5 141 d->SetSignal(Int_t(q));
3a4139a2 142
f7b30404 143 digits.AddLast(d);
04366a57 144 }
f7b30404 145 Int_t smax = digits.GetEntriesFast();
04366a57 146 if (smax==0) return;
d695268b 147 //------------------------------------
148
04366a57 149
150 const Int_t kMax=1000;
151 Int_t np=0, nn=0;
152 Ali1Dcluster pos[kMax], neg[kMax];
153 Float_t y=0., q=0., qmax=0.;
d695268b 154 Int_t lab[4]={-2,-2,-2,-2};
155 Bool_t flag5 = 0;
04366a57 156
d695268b 157 /*
158 cout<<"-----------------------------"<<endl;
159 cout<<"this is module "<<fModule;
160 cout<<endl;
161 cout<<endl;
162 */
163
164 //--------------------------------------------------------
165 // start 1D-clustering from the first digit in the digits array
166 //
f7b30404 167 AliITSdigitSSD *d=(AliITSdigitSSD*)digits.UncheckedAt(0);
04366a57 168 q += d->GetSignal();
169 y += d->GetCoord2()*d->GetSignal();
170 qmax=d->GetSignal();
171 lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2);
d695268b 172
173 if(d->IsSideP()) {
174 noise = cal->GetNoiseP(d->GetStripNumber());
175 gain = cal->GetGainP(d->GetStripNumber());
176 }
177 else {
178 noise = cal->GetNoiseN(d->GetStripNumber());
179 gain = cal->GetGainN(d->GetStripNumber());
180 }
181 noise*=gain;
182 noise=cal->ADCToKeV(noise); // converts noise in KeV from ADC units
183
184 if(qmax>fgkThreshold*noise) flag5=1; // seed for the cluster
185
186 /*
187 cout<<d->GetSignal()<<" "<<noise<<" "<<flag5<<" "<<
188 d->GetCoord1()<<" "<<d->GetCoord2()<<endl;
189 */
190
04366a57 191 Int_t curr=d->GetCoord2();
192 Int_t flag=d->GetCoord1();
d695268b 193
194 // Note: the first side which will be processed is supposed to be the
195 // P-side which is neg
04366a57 196 Int_t *n=&nn;
197 Ali1Dcluster *c=neg;
d695268b 198 if(flag) {n=&np; c=pos;} // in case we have only Nstrips (P was bad!)
199
04366a57 200 Int_t nd=1;
201 Int_t milab[10];
202 for (Int_t ilab=0;ilab<10;ilab++){
203 milab[ilab]=-2;
204 }
205 milab[0]=d->GetTrack(0); milab[1]=d->GetTrack(1); milab[2]=d->GetTrack(2);
206
d695268b 207
208 //----------------------------------------------------------
209 // search for neighboring digits
210 //
04366a57 211 for (Int_t s=1; s<smax; s++) {
f7b30404 212 d=(AliITSdigitSSD*)digits.UncheckedAt(s);
04366a57 213 Int_t strip=d->GetCoord2();
d695268b 214
215 // if digits is not a neighbour or side did not change
216 // and at least one of the previous digits met the seed condition
217 // then creates a new 1D cluster
218 if ( ( ((strip-curr) > 1) || (flag!=d->GetCoord1()) ) ) {
219
220 if(flag5) {
221 //cout<<"here1"<<endl;
04366a57 222 c[*n].SetY(y/q);
223 c[*n].SetQ(q);
224 c[*n].SetNd(nd);
225 CheckLabels2(milab);
226 c[*n].SetLabels(milab);
a86176e3 227
228 if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
d695268b 229 // Note: fUseUnfoldingInClusterFinderSSD=kFALSE by default in RecoParam
230
a86176e3 231 //Split suspiciously big cluster
232 if (nd>4&&nd<25) {
233 c[*n].SetY(y/q-0.25*nd);
234 c[*n].SetQ(0.5*q);
235 (*n)++;
236 if (*n==kMax) {
237 Error("FindClustersSSD","Too many 1D clusters !");
238 return;
239 }
240 c[*n].SetY(y/q+0.25*nd);
241 c[*n].SetQ(0.5*q);
242 c[*n].SetNd(nd);
243 c[*n].SetLabels(milab);
244 }
245
246 } // unfolding is on
247
04366a57 248 (*n)++;
249 if (*n==kMax) {
250 Error("FindClustersSSD","Too many 1D clusters !");
251 return;
252 }
d695268b 253
254 } // flag5 set
255
256 // reset everything
04366a57 257 y=q=qmax=0.;
258 nd=0;
d695268b 259 flag5=0;
04366a57 260 lab[0]=lab[1]=lab[2]=-2;
d695268b 261 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
262
263 // if side changed from P to N, switch to pos 1D clusters
264 // (if for some reason the side changed from N to P then do the opposite)
265 if (flag!=d->GetCoord1())
266 { if(!flag) {n=&np; c=pos;} else {n=&nn; c=neg;} }
267
268 } // end create new 1D cluster from previous neighboring digits
269
270 // continues adding digits to the previous cluster
271 // or start a new one
04366a57 272 flag=d->GetCoord1();
273 q += d->GetSignal();
274 y += d->GetCoord2()*d->GetSignal();
275 nd++;
d695268b 276
277 if(d->IsSideP()) {
278 noise = cal->GetNoiseP(d->GetStripNumber());
279 gain = cal->GetGainP(d->GetStripNumber());
280 }
281 else {
282 noise = cal->GetNoiseN(d->GetStripNumber());
283 gain = cal->GetGainN(d->GetStripNumber());
284 }
285 noise*=gain;
286 noise=cal->ADCToKeV(noise); // converts the charge in KeV from ADC units
287
288 if(d->GetSignal()>fgkThreshold*noise) flag5=1;
289
290 /*
291 cout<<d->GetSignal()<<" "<<noise<<" "<<flag5<<" "<<
292 d->GetCoord1()<<" "<<d->GetCoord2()<<endl;
293 */
294
04366a57 295 if (d->GetSignal()>qmax) {
296 qmax=d->GetSignal();
297 lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2);
298 }
299 for (Int_t ilab=0;ilab<10;ilab++) {
300 if (d->GetTrack(ilab)>=0) AddLabel(milab, (d->GetTrack(ilab)));
301 }
302 curr=strip;
a86176e3 303
d695268b 304
305 } // loop over digits, no more digits in the digits array
306
307
308 // add the last 1D cluster
309 if(flag5) {
310
311 // cout<<"here2"<<endl;
312
313 c[*n].SetY(y/q);
314 c[*n].SetQ(q);
315 c[*n].SetNd(nd);
316 c[*n].SetLabels(lab);
a86176e3 317
d695268b 318 if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
319
320 //Split suspiciously big cluster
321 if (nd>4 && nd<25) {
322 c[*n].SetY(y/q-0.25*nd);
323 c[*n].SetQ(0.5*q);
324 (*n)++;
325 if (*n==kMax) {
326 Error("FindClustersSSD","Too many 1D clusters !");
327 return;
328 }
329 c[*n].SetY(y/q+0.25*nd);
330 c[*n].SetQ(0.5*q);
331 c[*n].SetNd(nd);
332 c[*n].SetLabels(lab);
a86176e3 333 }
d695268b 334 } // unfolding is on
335
336 (*n)++;
337 if (*n==kMax) {
338 Error("FindClustersSSD","Too many 1D clusters !");
339 return;
a86176e3 340 }
04366a57 341
d695268b 342 } // if flag5 last 1D cluster added
343
344
345 //------------------------------------------------------
346 // call FindClustersSSD to pair neg and pos 1D clusters
347 // and create recpoints from the crosses
348 // Note1: neg are Pside and pos are Nside!!
349 // Note2: if there are no Pside digits nn=0 (bad strips!!) (same for Nside)
350 //
351 // cout<<nn<<" Pside and "<<np<<" Nside clusters"<<endl;
04366a57 352 FindClustersSSD(neg, nn, pos, np);
d695268b 353 //
354 //-----------------------------------------------------
355
04366a57 356}
357
358
359void AliITSClusterFinderV2SSD::RawdataToClusters(AliRawReader* rawReader,TClonesArray** clusters){
360
361 //------------------------------------------------------------
362 // This function creates ITS clusters from raw data
363 //------------------------------------------------------------
364 rawReader->Reset();
365 AliITSRawStreamSSD inputSSD(rawReader);
366 FindClustersSSD(&inputSSD,clusters);
367
368}
369
3a4139a2 370void AliITSClusterFinderV2SSD::FindClustersSSD(AliITSRawStreamSSD* input,
04366a57 371 TClonesArray** clusters)
372{
373 //------------------------------------------------------------
374 // Actual SSD cluster finder for raw data
375 //------------------------------------------------------------
a86176e3 376
377 static AliITSRecoParam *repa = NULL;
378 if(!repa){
379 repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
380 if(!repa){
ed446fa3 381 repa = AliITSRecoParam::GetHighFluxParam();
a86176e3 382 AliWarning("Using default AliITSRecoParam class");
383 }
384 }
385
04366a57 386 Int_t nClustersSSD = 0;
387 const Int_t kMax = 1000;
388 Ali1Dcluster clusters1D[2][kMax];
389 Int_t nClusters[2] = {0, 0};
390 Int_t lab[3]={-2,-2,-2};
391 Float_t q = 0.;
392 Float_t y = 0.;
393 Int_t nDigits = 0;
3a4139a2 394 Float_t gain=0;
308b5ea4 395 Float_t noise=0.;
5ffe058f 396 // Float_t pedestal=0.;
308b5ea4 397 Float_t oldnoise=0.;
b4704be3 398 AliITSCalibrationSSD* cal=NULL;
308b5ea4 399
308b5ea4 400 Int_t matrix[12][1536];
d5ad0697 401 Int_t iddl=-1;
402 Int_t iad=-1;
403 Int_t oddl = -1;
404 Int_t oad = -1;
405 Int_t oadc = -1;
406 Int_t ostrip = -1;
308b5ea4 407 Int_t osignal = 65535;
308b5ea4 408 Int_t n=0;
409 Bool_t next=0;
04366a57 410
411 // read raw data input stream
412 while (kTRUE) {
308b5ea4 413
414 // reset signal matrix
415 for(Int_t i=0; i<12; i++) { for(Int_t j=0; j<1536; j++) { matrix[i][j] = 65535;} }
b42cfa25 416
cbf26d57 417 if((osignal!=65535)&&(ostrip>0)&&(ostrip<1536)) {
308b5ea4 418 n++;
419 matrix[oadc][ostrip] = osignal; // recover data from previous occurence of input->Next()
420 }
b42cfa25 421
308b5ea4 422 // buffer data for ddl=iddl and ad=iad
423 while(kTRUE) {
bc4dd89a 424
308b5ea4 425 next = input->Next();
d5ad0697 426 if((!next)&&(input->flag)) continue;
427 Int_t ddl=input->GetDDL();
428 Int_t ad=input->GetAD();
429 Int_t adc = input->GetADC(); adc = (adc<6)? adc : adc - 2;
430 Int_t strip = input->GetStrip();
308b5ea4 431 if(input->GetSideFlag()) strip=1535-strip;
d5ad0697 432 Int_t signal = input->GetSignal();
d036ccd3 433
cbf26d57 434 if((ddl==iddl)&&(ad==iad)&&(strip>0)&&(strip<1536)) {n++; matrix[adc][strip] = signal;}
4ae225e9 435 else {if ((strip<1536) && (strip>0)) {oddl=iddl; oad=iad; oadc = adc; ostrip = strip; osignal=signal; iddl=ddl; iad=ad; break;}}
308b5ea4 436
b42cfa25 437 if(!next) {oddl=iddl; oad=iad; oadc = adc; ostrip = strip; osignal=signal; iddl=ddl; iad=ad; break;}
438 //break;
308b5ea4 439 }
b42cfa25 440
441 // No SSD data
d5ad0697 442 if(!next && oddl<0) break;
b42cfa25 443
308b5ea4 444 if(n==0) continue; // first occurence
d036ccd3 445 n=0; //osignal=0;
42ed6062 446
447 Float_t dStrip = 0;
448 if (repa->GetUseCosmicRunShiftsSSD()) { // Special condition for 2007/2008 cosmic data
449 dStrip = fgkCosmic2008StripShifts[oddl][oad-1];
450 }
b6b7d649 451 if (TMath::Abs(dStrip) > 1.5)
452 AliError(Form("Indexing error ? oddl = %d, dStrip %f\n",oddl,dStrip));
308b5ea4 453 // fill 1Dclusters
454 for(Int_t iadc=0; iadc<12; iadc++) { // loop over ADC index for ddl=oddl and ad=oad
b42cfa25 455
308b5ea4 456 Int_t iimod = (oad - 1) * 12 + iadc;
d5ad0697 457 Int_t iModule = AliITSRawStreamSSD::GetModuleNumber(oddl,iimod);
308b5ea4 458 if(iModule==-1) continue;
308b5ea4 459 cal = (AliITSCalibrationSSD*)GetResp(iModule);
42ed6062 460
308b5ea4 461 Bool_t first = 0;
d695268b 462 Bool_t flag5 = 0;
b42cfa25 463
bc4dd89a 464 /*
308b5ea4 465 for(Int_t istrip=0; istrip<768; istrip++) { // P-side
d5ad0697 466 Int_t signal = matrix[iadc][istrip];
b42cfa25 467 pedestal = cal->GetPedestalP(istrip);
e7f0e76b 468 matrix[iadc][istrip]=signal-(Int_t)pedestal;
bc4dd89a 469 }
470 */
471
472 /*
b42cfa25 473 Float_t cmode=0;
474 for(Int_t l=0; l<6; l++) {
475 cmode=0;
476 for(Int_t n=20; n<108; n++) cmode+=matrix[iadc][l*128+n];
477 cmode/=88.;
e7f0e76b 478 for(Int_t n=0; n<128; n++) matrix[iadc][l*128+n]-=(Int_t)cmode;
b42cfa25 479
480 }
bc4dd89a 481 */
482
a64f9843 483 Int_t istrip=0;
484 for(istrip=0; istrip<768; istrip++) { // P-side
b42cfa25 485
486 Int_t signal = TMath::Abs(matrix[iadc][istrip]);
487
308b5ea4 488 oldnoise = noise;
b42cfa25 489 noise = cal->GetNoiseP(istrip); if(noise<1.) signal = 65535;
a64f9843 490 if(signal<3*noise) signal = 65535; // in case ZS was not done in hw do it now
491
ced4d9bc 492 // if(cal->IsPChannelBad(istrip)) signal=0;
308b5ea4 493
494 if (signal!=65535) {
495 gain = cal->GetGainP(istrip);
496 signal = (Int_t) ( signal * gain ); // signal is corrected for gain
d695268b 497 if(signal>fgkThreshold*noise) flag5=1;
308b5ea4 498 signal = (Int_t) cal->ADCToKeV( signal ); // signal is converted in KeV
b42cfa25 499
308b5ea4 500 q += signal; // add digit to current cluster
501 y += istrip * signal;
502 nDigits++;
503 first=1;
504 }
b42cfa25 505
308b5ea4 506 else if(first) {
b42cfa25 507
d695268b 508 if ( (nDigits>0) && flag5 ) {
b42cfa25 509
308b5ea4 510 Ali1Dcluster& cluster = clusters1D[0][nClusters[0]++];
a64f9843 511
42ed6062 512 if(q!=0) cluster.SetY(y/q + dStrip);
513 else cluster.SetY(istrip + dStrip -1);
a64f9843 514
308b5ea4 515 cluster.SetQ(q);
516 cluster.SetNd(nDigits);
517 cluster.SetLabels(lab);
518
a86176e3 519 if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
520
521 //Split suspiciously big cluster
522 if (nDigits > 4&&nDigits < 25) {
42ed6062 523 if(q!=0) cluster.SetY(y/q + dStrip - 0.25*nDigits);
524 else cluster.SetY(istrip-1 + dStrip - 0.25*nDigits);
a86176e3 525 cluster.SetQ(0.5*q);
526 if (nClusters[0] == kMax) {
527 Error("FindClustersSSD", "Too many 1D clusters !");
528 return;
529 }
530 Ali1Dcluster& cluster2 = clusters1D[0][nClusters[0]++];
42ed6062 531 if(q!=0) cluster2.SetY(y/q + dStrip + 0.25*nDigits);
532 else cluster2.SetY(istrip-1 + dStrip + 0.25*nDigits);
a86176e3 533 cluster2.SetQ(0.5*q);
534 cluster2.SetNd(nDigits);
535 cluster2.SetLabels(lab);
308b5ea4 536 }
a86176e3 537 } // unfolding is on
308b5ea4 538 }
539
540 y = q = 0.;
541 nDigits = 0;
542 first=0;
d695268b 543 flag5=0;
04366a57 544 }
a86176e3 545
308b5ea4 546 } // loop over strip on P-side
a86176e3 547
308b5ea4 548 // if last strip does have signal
549 if(first) {
550
d695268b 551 if ( (nDigits>0) && flag5 ) {
a86176e3 552
553 Ali1Dcluster& cluster = clusters1D[0][nClusters[0]++];
a64f9843 554
42ed6062 555 if(q!=0) cluster.SetY(y/q + dStrip);
556 else cluster.SetY(istrip - 1 + dStrip);
a64f9843 557
a86176e3 558 cluster.SetQ(q);
559 cluster.SetNd(nDigits);
560 cluster.SetLabels(lab);
561
562 if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
308b5ea4 563
564 //Split suspiciously big cluster
565 if (nDigits > 4&&nDigits < 25) {
42ed6062 566 if(q!=0) cluster.SetY(y/q + dStrip - 0.25*nDigits);
567 else cluster.SetY(istrip-1 + dStrip - 0.25*nDigits);
308b5ea4 568 cluster.SetQ(0.5*q);
569 if (nClusters[0] == kMax) {
570 Error("FindClustersSSD", "Too many 1D clusters !");
571 return;
572 }
573 Ali1Dcluster& cluster2 = clusters1D[0][nClusters[0]++];
42ed6062 574 if(q!=0) cluster2.SetY(y/q + dStrip + 0.25*nDigits);
575 else cluster2.SetY(istrip-1 + dStrip + 0.25*nDigits);
308b5ea4 576 cluster2.SetQ(0.5*q);
577 cluster2.SetNd(nDigits);
578 cluster2.SetLabels(lab);
579 }
a86176e3 580 } // unfolding is on
581
582 }
583 y = q = 0.;
584 nDigits = 0;
585 first=0;
d695268b 586 flag5=0;
04366a57 587 }
308b5ea4 588
bc4dd89a 589 /*
b42cfa25 590 for(Int_t istrip=768; istrip<1536; istrip++) { // P-side
591 Int_t signal = matrix[iadc][istrip];
592 pedestal = cal->GetPedestalN(1535-istrip);
e7f0e76b 593 matrix[iadc][istrip]=signal-(Int_t)pedestal;
b42cfa25 594 }
bc4dd89a 595 */
b42cfa25 596
bc4dd89a 597 /*
b42cfa25 598 for(Int_t l=6; l<12; l++) {
599 Float_t cmode=0;
600 for(Int_t n=20; n<108; n++) cmode+=matrix[iadc][l*128+n];
601 cmode/=88.;
e7f0e76b 602 for(Int_t n=0; n<128; n++) matrix[iadc][l*128+n]-=(Int_t)cmode;
b42cfa25 603 }
bc4dd89a 604 */
b42cfa25 605
308b5ea4 606 oldnoise = 0.;
607 noise = 0.;
a64f9843 608 Int_t strip=0;
4adcf390 609 for(Int_t iistrip=768; iistrip<1536; iistrip++) { // N-side
308b5ea4 610
4adcf390 611 Int_t signal = TMath::Abs(matrix[iadc][iistrip]);
4adcf390 612 strip = 1535-iistrip;
b42cfa25 613
308b5ea4 614 oldnoise = noise;
b42cfa25 615 noise = cal->GetNoiseN(strip); if(noise<1.) signal=65535;
a64f9843 616
d036ccd3 617 // if(cal->IsNChannelBad(strip)) signal=0;
a64f9843 618
619 if(signal<3*noise) signal = 65535; // in case ZS was not done in hw do it now
308b5ea4 620
621 if (signal!=65535) {
622 gain = cal->GetGainN(strip);
623 signal = (Int_t) ( signal * gain); // signal is corrected for gain
d695268b 624 if(signal>fgkThreshold*noise) flag5=1;
308b5ea4 625 signal = (Int_t) cal->ADCToKeV( signal ); // signal is converted in KeV
626
627 // add digit to current cluster
628 q += signal;
629 y += strip * signal;
630 nDigits++;
631 first=1;
632 }
633
634 else if(first) {
a86176e3 635
d695268b 636 if ( (nDigits>0) && flag5 ) {
308b5ea4 637
638 Ali1Dcluster& cluster = clusters1D[1][nClusters[1]++];
a64f9843 639
42ed6062 640 if(q!=0) cluster.SetY(y/q - dStrip);
641 else cluster.SetY(strip+1 - dStrip);
a64f9843 642
308b5ea4 643 cluster.SetQ(q);
644 cluster.SetNd(nDigits);
645 cluster.SetLabels(lab);
646
a86176e3 647 if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
648
649 //Split suspiciously big cluster
650 if (nDigits > 4&&nDigits < 25) {
42ed6062 651 cluster.SetY(y/q - dStrip - 0.25*nDigits);
a86176e3 652 cluster.SetQ(0.5*q);
653 if (nClusters[1] == kMax) {
654 Error("FindClustersSSD", "Too many 1D clusters !");
655 return;
656 }
657 Ali1Dcluster& cluster2 = clusters1D[1][nClusters[1]++];
42ed6062 658 cluster2.SetY(y/q - dStrip + 0.25*nDigits);
a86176e3 659 cluster2.SetQ(0.5*q);
660 cluster2.SetNd(nDigits);
661 cluster2.SetLabels(lab);
662 }
663 } // unfolding is on
664 }
665
308b5ea4 666 y = q = 0.;
667 nDigits = 0;
668 first=0;
d695268b 669 flag5=0;
308b5ea4 670 }
671
672 } // loop over strips on N-side
04366a57 673
308b5ea4 674 if(first) {
675
d695268b 676 if ( (nDigits>0) && flag5 ) {
a86176e3 677
678 Ali1Dcluster& cluster = clusters1D[1][nClusters[1]++];
a64f9843 679
42ed6062 680 if(q!=0) cluster.SetY(y/q - dStrip);
681 else cluster.SetY(strip - dStrip + 1);
a64f9843 682
a86176e3 683 cluster.SetQ(q);
684 cluster.SetNd(nDigits);
685 cluster.SetLabels(lab);
686
687 if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
308b5ea4 688
689 //Split suspiciously big cluster
690 if (nDigits > 4&&nDigits < 25) {
42ed6062 691 if(q!=0) cluster.SetY(y/q - dStrip - 0.25*nDigits);
692 else cluster.SetY(strip+1 - dStrip - 0.25*nDigits);
308b5ea4 693 cluster.SetQ(0.5*q);
694 if (nClusters[1] == kMax) {
695 Error("FindClustersSSD", "Too many 1D clusters !");
696 return;
697 }
698 Ali1Dcluster& cluster2 = clusters1D[1][nClusters[1]++];
42ed6062 699 if(q!=0) cluster2.SetY(y/q - dStrip + 0.25*nDigits);
700 else cluster2.SetY(strip+1 - dStrip + 0.25*nDigits);
308b5ea4 701 cluster2.SetQ(0.5*q);
702 cluster2.SetNd(nDigits);
703 cluster2.SetLabels(lab);
704 }
a86176e3 705 } // unfolding is on
706 }
707
708 y = q = 0.;
709 nDigits = 0;
710 first=0;
d695268b 711 flag5=0;
308b5ea4 712 }
713
714 // create recpoints
715 if((nClusters[0])&&(nClusters[1])) {
a86176e3 716
00a7cc50 717 clusters[iModule] = new TClonesArray("AliITSRecPoint");
04366a57 718 fModule = iModule;
719 FindClustersSSD(&clusters1D[0][0], nClusters[0],
720 &clusters1D[1][0], nClusters[1], clusters[iModule]);
4adcf390 721 Int_t nClustersn = clusters[iModule]->GetEntriesFast();
722 nClustersSSD += nClustersn;
04366a57 723 }
724
04366a57 725 nClusters[0] = nClusters[1] = 0;
726 y = q = 0.;
727 nDigits = 0;
3a4139a2 728
308b5ea4 729 } // loop over adc
04366a57 730
d5ad0697 731 if(!next) break;
04366a57 732 }
308b5ea4 733
04366a57 734 Info("FindClustersSSD", "found clusters in ITS SSD: %d", nClustersSSD);
735}
736
737void AliITSClusterFinderV2SSD::
738FindClustersSSD(Ali1Dcluster* neg, Int_t nn,
739 Ali1Dcluster* pos, Int_t np,
740 TClonesArray *clusters) {
741 //------------------------------------------------------------
742 // Actual SSD cluster finder
743 //------------------------------------------------------------
b4704be3 744
745 const TGeoHMatrix *mT2L=AliITSgeomTGeo::GetTracking2LocalMatrix(fModule);
746
7101948c 747 //---------------------------------------
748 // load recoparam
749 //
750 static AliITSRecoParam *repa = NULL;
751 if(!repa){
752 repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
753 if(!repa){
754 repa = AliITSRecoParam::GetHighFluxParam();
755 AliWarning("Using default AliITSRecoParam class");
756 }
757 }
758
04366a57 759 TClonesArray &cl=*clusters;
d036ccd3 760
8be4e1b1 761 AliITSsegmentationSSD *seg = dynamic_cast<AliITSsegmentationSSD*>(fDetTypeRec->GetSegmentationModel(2));
762 if (fModule>fLastSSD1)
763 seg->SetLayer(6);
764 else
765 seg->SetLayer(5);
766
767 Float_t hwSSD = seg->Dx()*1e-4/2;
768 Float_t hlSSD = seg->Dz()*1e-4/2;
769
04366a57 770 Int_t idet=fNdet[fModule];
771 Int_t ncl=0;
d036ccd3 772
04366a57 773 //
8be4e1b1 774 Int_t *cnegative = new Int_t[np];
775 Int_t *cused1 = new Int_t[np];
776 Int_t *negativepair = new Int_t[10*np];
777 Int_t *cpositive = new Int_t[nn];
778 Int_t *cused2 = new Int_t[nn];
779 Int_t *positivepair = new Int_t[10*nn];
780 for (Int_t i=0;i<np;i++) {cnegative[i]=0; cused1[i]=0;}
781 for (Int_t i=0;i<nn;i++) {cpositive[i]=0; cused2[i]=0;}
782 for (Int_t i=0;i<10*np;i++) {negativepair[i]=0;}
783 for (Int_t i=0;i<10*nn;i++) {positivepair[i]=0;}
c157c94e 784
308b5ea4 785 if ((np*nn) > fgPairsSize) {
d036ccd3 786
308b5ea4 787 if (fgPairs) delete [] fgPairs;
788 fgPairsSize = 4*np*nn;
789 fgPairs = new Short_t[fgPairsSize];
c157c94e 790 }
308b5ea4 791 memset(fgPairs,0,sizeof(Short_t)*np*nn);
792
04366a57 793 //
794 // find available pairs
795 //
796 for (Int_t i=0; i<np; i++) {
d036ccd3 797 Float_t yp=pos[i].GetY();
a64f9843 798 if ( (pos[i].GetQ()>0) && (pos[i].GetQ()<3) ) continue;
04366a57 799 for (Int_t j=0; j<nn; j++) {
a64f9843 800 if ( (neg[j].GetQ()>0) && (neg[j].GetQ()<3) ) continue;
d036ccd3 801 Float_t yn=neg[j].GetY();
802
8be4e1b1 803 Float_t xt, zt;
804 seg->GetPadCxz(yn, yp, xt, zt);
d695268b 805 //cout<<yn<<" "<<yp<<" "<<xt<<" "<<zt<<endl;
d036ccd3 806
8be4e1b1 807 if (TMath::Abs(xt)<hwSSD+0.01)
808 if (TMath::Abs(zt)<hlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) {
04366a57 809 negativepair[i*10+cnegative[i]] =j; //index
810 positivepair[j*10+cpositive[j]] =i;
811 cnegative[i]++; //counters
812 cpositive[j]++;
308b5ea4 813 fgPairs[i*nn+j]=100;
04366a57 814 }
815 }
816 }
308b5ea4 817
818 //
819 // try to recover points out of but close to the module boundaries
04366a57 820 //
821 for (Int_t i=0; i<np; i++) {
d036ccd3 822 Float_t yp=pos[i].GetY();
a64f9843 823 if ( (pos[i].GetQ()>0) && (pos[i].GetQ()<3) ) continue;
04366a57 824 for (Int_t j=0; j<nn; j++) {
a64f9843 825 if ( (neg[j].GetQ()>0) && (neg[j].GetQ()<3) ) continue;
308b5ea4 826 // if both 1Dclusters have an other cross continue
04366a57 827 if (cpositive[j]&&cnegative[i]) continue;
8be4e1b1 828 Float_t yn=neg[j].GetY();
d036ccd3 829
8be4e1b1 830 Float_t xt, zt;
831 seg->GetPadCxz(yn, yp, xt, zt);
d036ccd3 832
8be4e1b1 833 if (TMath::Abs(xt)<hwSSD+0.1)
834 if (TMath::Abs(zt)<hlSSD+0.15) {
308b5ea4 835 // tag 1Dcluster (eventually will produce low quality recpoint)
04366a57 836 if (cnegative[i]==0) pos[i].SetNd(100); // not available pair
837 if (cpositive[j]==0) neg[j].SetNd(100); // not available pair
838 negativepair[i*10+cnegative[i]] =j; //index
839 positivepair[j*10+cpositive[j]] =i;
840 cnegative[i]++; //counters
841 cpositive[j]++;
308b5ea4 842 fgPairs[i*nn+j]=100;
04366a57 843 }
844 }
845 }
308b5ea4 846
04366a57 847 //
d695268b 848 Float_t lp[6];
04366a57 849 Int_t milab[10];
850 Double_t ratio;
851
b42cfa25 852
a86176e3 853 if(repa->GetUseChargeMatchingInClusterFinderSSD()==kTRUE) {
308b5ea4 854
855
a86176e3 856 //
857 // sign gold tracks
858 //
859 for (Int_t ip=0;ip<np;ip++){
8be4e1b1 860 Float_t xbest=1000,zbest=1000,qbest=0;
a86176e3 861 //
862 // select gold clusters
863 if ( (cnegative[ip]==1) && cpositive[negativepair[10*ip]]==1){
d036ccd3 864 Float_t yp=pos[ip].GetY();
a86176e3 865 Int_t j = negativepair[10*ip];
a64f9843 866
867 if( (pos[ip].GetQ()==0) && (neg[j].GetQ() ==0) ) {
868 // both bad, hence continue;
869 // mark both as used (to avoid recover at the end)
870 cused1[ip]++;
871 cused2[j]++;
872 continue;
873 }
874
a86176e3 875 ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
d695268b 876 //cout<<"ratio="<<ratio<<endl;
a64f9843 877
878 // charge matching (note that if posQ or negQ is 0 -> ratio=1 and the following condition is met
2069484c 879 if (TMath::Abs(ratio)>0.2) continue; // note: 0.2=3xsigma_ratio calculated in cosmics tests
a64f9843 880
a86176e3 881 //
8be4e1b1 882 Float_t yn=neg[j].GetY();
883
884 Float_t xt, zt;
885 seg->GetPadCxz(yn, yp, xt, zt);
886
887 xbest=xt; zbest=zt;
2069484c 888
2069484c 889
a86176e3 890 qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
d695268b 891 if( (pos[ip].GetQ()==0)||(neg[j].GetQ()==0)) qbest*=2; // in case of bad strips on one side keep all charge from the other one
a86176e3 892
a86176e3 893 {
8be4e1b1 894 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
a86176e3 895 mT2L->MasterToLocal(loc,trk);
896 lp[0]=trk[1];
897 lp[1]=trk[2];
00a7cc50 898 }
a86176e3 899 lp[4]=qbest; //Q
900 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
901 for (Int_t ilab=0;ilab<3;ilab++){
902 milab[ilab] = pos[ip].GetLabel(ilab);
903 milab[ilab+3] = neg[j].GetLabel(ilab);
00a7cc50 904 }
04366a57 905 //
a86176e3 906 CheckLabels2(milab);
907 milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
908 Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
d695268b 909
910 lp[2]=0.0022*0.0022; //SigmaY2
911 lp[3]=0.110*0.110; //SigmaZ2
912 // out-of-diagonal element of covariance matrix
913 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
914 else if ( (info[0]>1) && (info[1]>1) ) {
915 lp[2]=0.0016*0.0016; //SigmaY2
916 lp[3]=0.08*0.08; //SigmaZ2
917 lp[5]=-0.00006;
918 }
919 else {
7101948c 920 lp[3]=0.093*0.093;
d695268b 921 if (info[0]==1) { lp[5]=-0.00014;}
922 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
923 }
924
a86176e3 925 AliITSRecPoint * cl2;
926
927 if(clusters){ // Note clusters != 0 when method is called for rawdata
04366a57 928
a86176e3 929
930 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
931
a86176e3 932 cl2->SetChargeRatio(ratio);
933 cl2->SetType(1);
934 fgPairs[ip*nn+j]=1;
a64f9843 935
a86176e3 936 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
937 cl2->SetType(2);
938 fgPairs[ip*nn+j]=2;
04366a57 939 }
a64f9843 940
941 if(pos[ip].GetQ()==0) cl2->SetType(3);
7b208ef4 942 if(neg[j].GetQ()==0) cl2->SetType(4);
a64f9843 943
a86176e3 944 cused1[ip]++;
945 cused2[j]++;
946
947 }
948 else{ // Note clusters == 0 when method is called for digits
949
950 cl2 = new AliITSRecPoint(milab,lp,info);
951
a86176e3 952 cl2->SetChargeRatio(ratio);
953 cl2->SetType(1);
954 fgPairs[ip*nn+j]=1;
a64f9843 955
a86176e3 956 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
957 cl2->SetType(2);
958 fgPairs[ip*nn+j]=2;
00a7cc50 959 }
a64f9843 960
961 if(pos[ip].GetQ()==0) cl2->SetType(3);
7b208ef4 962 if(neg[j].GetQ()==0) cl2->SetType(4);
a64f9843 963
a86176e3 964 cused1[ip]++;
965 cused2[j]++;
a64f9843 966
a86176e3 967 fDetTypeRec->AddRecPoint(*cl2);
968 }
969 ncl++;
970 }
971 }
972
973 for (Int_t ip=0;ip<np;ip++){
8be4e1b1 974 Float_t xbest=1000,zbest=1000,qbest=0;
a86176e3 975 //
976 //
977 // select "silber" cluster
978 if ( cnegative[ip]==1 && cpositive[negativepair[10*ip]]==2){
979 Int_t in = negativepair[10*ip];
980 Int_t ip2 = positivepair[10*in];
981 if (ip2==ip) ip2 = positivepair[10*in+1];
982 Float_t pcharge = pos[ip].GetQ()+pos[ip2].GetQ();
a64f9843 983
d695268b 984
985
986 ratio = (pcharge-neg[in].GetQ())/(pcharge+neg[in].GetQ());
987 if ( (TMath::Abs(ratio)<0.2) && (pcharge!=0) ) {
988 //if ( (TMath::Abs(pcharge-neg[in].GetQ())<30) && (pcharge!=0) ) { //
a64f9843 989
a86176e3 990 //
991 // add first pair
a64f9843 992 if ( (fgPairs[ip*nn+in]==100)&&(pos[ip].GetQ() ) ) { //
993
d036ccd3 994 Float_t yp=pos[ip].GetY();
8be4e1b1 995 Float_t yn=neg[in].GetY();
996
997 Float_t xt, zt;
998 seg->GetPadCxz(yn, yp, xt, zt);
999
1000 xbest=xt; zbest=zt;
2069484c 1001
a86176e3 1002 qbest =pos[ip].GetQ();
8be4e1b1 1003 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
a64f9843 1004 mT2L->MasterToLocal(loc,trk);
1005 lp[0]=trk[1];
1006 lp[1]=trk[2];
1007
a86176e3 1008 lp[4]=qbest; //Q
1009 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1010 for (Int_t ilab=0;ilab<3;ilab++){
1011 milab[ilab] = pos[ip].GetLabel(ilab);
1012 milab[ilab+3] = neg[in].GetLabel(ilab);
1013 }
1014 //
1015 CheckLabels2(milab);
1016 ratio = (pos[ip].GetQ()-neg[in].GetQ())/(pos[ip].GetQ()+neg[in].GetQ());
1017 milab[3]=(((ip<<10) + in)<<10) + idet; // pos|neg|det
1018 Int_t info[3] = {pos[ip].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
1019
d695268b 1020 lp[2]=0.0022*0.0022; //SigmaY2
1021 lp[3]=0.110*0.110; //SigmaZ2
1022 // out-of-diagonal element of covariance matrix
1023 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1024 else if ( (info[0]>1) && (info[1]>1) ) {
1025 lp[2]=0.0016*0.0016; //SigmaY2
1026 lp[3]=0.08*0.08; //SigmaZ2
1027 lp[5]=-0.00006;
1028 }
1029 else {
7101948c 1030 lp[3]=0.093*0.093;
d695268b 1031 if (info[0]==1) { lp[5]=-0.00014;}
1032 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1033 }
1034
a86176e3 1035 AliITSRecPoint * cl2;
1036 if(clusters){
1037
1038 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
a86176e3 1039 cl2->SetChargeRatio(ratio);
1040 cl2->SetType(5);
1041 fgPairs[ip*nn+in] = 5;
1042 if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster
1043 cl2->SetType(6);
1044 fgPairs[ip*nn+in] = 6;
1045 }
1046 }
1047 else{
1048 cl2 = new AliITSRecPoint(milab,lp,info);
1049 cl2->SetChargeRatio(ratio);
1050 cl2->SetType(5);
1051 fgPairs[ip*nn+in] = 5;
1052 if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster
1053 cl2->SetType(6);
1054 fgPairs[ip*nn+in] = 6;
1055 }
a86176e3 1056
1057 fDetTypeRec->AddRecPoint(*cl2);
1058 }
1059 ncl++;
04366a57 1060 }
04366a57 1061
a64f9843 1062
04366a57 1063 //
a86176e3 1064 // add second pair
00a7cc50 1065
a86176e3 1066 // if (!(cused1[ip2] || cused2[in])){ //
a64f9843 1067 if ( (fgPairs[ip2*nn+in]==100) && (pos[ip2].GetQ()) ) {
1068
d036ccd3 1069 Float_t yp=pos[ip2].GetY();
8be4e1b1 1070 Float_t yn=neg[in].GetY();
1071
1072 Float_t xt, zt;
1073 seg->GetPadCxz(yn, yp, xt, zt);
1074
1075 xbest=xt; zbest=zt;
2069484c 1076
a86176e3 1077 qbest =pos[ip2].GetQ();
a64f9843 1078
8be4e1b1 1079 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
a64f9843 1080 mT2L->MasterToLocal(loc,trk);
1081 lp[0]=trk[1];
1082 lp[1]=trk[2];
1083
a86176e3 1084 lp[4]=qbest; //Q
1085 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1086 for (Int_t ilab=0;ilab<3;ilab++){
1087 milab[ilab] = pos[ip2].GetLabel(ilab);
1088 milab[ilab+3] = neg[in].GetLabel(ilab);
00a7cc50 1089 }
a86176e3 1090 //
1091 CheckLabels2(milab);
1092 ratio = (pos[ip2].GetQ()-neg[in].GetQ())/(pos[ip2].GetQ()+neg[in].GetQ());
1093 milab[3]=(((ip2<<10) + in)<<10) + idet; // pos|neg|det
1094 Int_t info[3] = {pos[ip2].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
308b5ea4 1095
d695268b 1096 lp[2]=0.0022*0.0022; //SigmaY2
1097 lp[3]=0.110*0.110; //SigmaZ2
1098 // out-of-diagonal element of covariance matrix
1099 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1100 else if ( (info[0]>1) && (info[1]>1) ) {
1101 lp[2]=0.0016*0.0016; //SigmaY2
1102 lp[3]=0.08*0.08; //SigmaZ2
1103 lp[5]=-0.00006;
1104 }
1105 else {
7101948c 1106 lp[3]=0.093*0.093;
d695268b 1107 if (info[0]==1) { lp[5]=-0.00014;}
1108 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1109 }
1110
a86176e3 1111 AliITSRecPoint * cl2;
1112 if(clusters){
1113 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1114
a86176e3 1115 cl2->SetChargeRatio(ratio);
1116 cl2->SetType(5);
1117 fgPairs[ip2*nn+in] =5;
1118 if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster
1119 cl2->SetType(6);
1120 fgPairs[ip2*nn+in] =6;
1121 }
1122 }
1123 else{
1124 cl2 = new AliITSRecPoint(milab,lp,info);
1125 cl2->SetChargeRatio(ratio);
1126 cl2->SetType(5);
1127 fgPairs[ip2*nn+in] =5;
1128 if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster
1129 cl2->SetType(6);
1130 fgPairs[ip2*nn+in] =6;
1131 }
1132
a86176e3 1133 fDetTypeRec->AddRecPoint(*cl2);
1134 }
1135 ncl++;
a64f9843 1136 }
1137
a86176e3 1138 cused1[ip]++;
1139 cused1[ip2]++;
1140 cused2[in]++;
a64f9843 1141
1142 } // charge matching condition
1143
1144 } // 2 Pside cross 1 Nside
1145 } // loop over Pside clusters
a86176e3 1146
a64f9843 1147
1148
1149 //
1150 for (Int_t jn=0;jn<nn;jn++){
1151 if (cused2[jn]) continue;
8be4e1b1 1152 Float_t xbest=1000,zbest=1000,qbest=0;
a64f9843 1153 // select "silber" cluster
1154 if ( cpositive[jn]==1 && cnegative[positivepair[10*jn]]==2){
1155 Int_t ip = positivepair[10*jn];
1156 Int_t jn2 = negativepair[10*ip];
1157 if (jn2==jn) jn2 = negativepair[10*ip+1];
1158 Float_t pcharge = neg[jn].GetQ()+neg[jn2].GetQ();
04366a57 1159 //
a64f9843 1160
d695268b 1161
1162 ratio = (pcharge-pos[ip].GetQ())/(pcharge+pos[ip].GetQ());
1163 if ( (TMath::Abs(ratio)<0.2) && (pcharge!=0) ) {
1164
1165 /*
2069484c 1166 if ( (TMath::Abs(pcharge-pos[ip].GetQ())<30) && // charge matching
a64f9843 1167 (pcharge!=0) ) { // reject combinations of bad strips
d695268b 1168 */
1169
1170
a64f9843 1171 //
1172 // add first pair
1173 // if (!(cused1[ip]||cused2[jn])){
1174 if ( (fgPairs[ip*nn+jn]==100) && (neg[jn].GetQ()) ) { //
1175
d036ccd3 1176 Float_t yn=neg[jn].GetY();
8be4e1b1 1177 Float_t yp=pos[ip].GetY();
2069484c 1178
8be4e1b1 1179 Float_t xt, zt;
1180 seg->GetPadCxz(yn, yp, xt, zt);
1181
1182 xbest=xt; zbest=zt;
2069484c 1183
a64f9843 1184 qbest =neg[jn].GetQ();
d036ccd3 1185
a64f9843 1186 {
8be4e1b1 1187 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
a64f9843 1188 mT2L->MasterToLocal(loc,trk);
1189 lp[0]=trk[1];
1190 lp[1]=trk[2];
b4704be3 1191 }
04366a57 1192
1193 lp[4]=qbest; //Q
1194 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1195 for (Int_t ilab=0;ilab<3;ilab++){
1196 milab[ilab] = pos[ip].GetLabel(ilab);
1197 milab[ilab+3] = neg[jn].GetLabel(ilab);
1198 }
1199 //
1200 CheckLabels2(milab);
1201 ratio = (pos[ip].GetQ()-neg[jn].GetQ())/(pos[ip].GetQ()+neg[jn].GetQ());
1202 milab[3]=(((ip<<10) + jn)<<10) + idet; // pos|neg|det
1203 Int_t info[3] = {pos[ip].GetNd(),neg[jn].GetNd(),fNlayer[fModule]};
1204
d695268b 1205 lp[2]=0.0022*0.0022; //SigmaY2
1206 lp[3]=0.110*0.110; //SigmaZ2
1207 // out-of-diagonal element of covariance matrix
1208 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1209 else if ( (info[0]>1) && (info[1]>1) ) {
1210 lp[2]=0.0016*0.0016; //SigmaY2
1211 lp[3]=0.08*0.08; //SigmaZ2
1212 lp[5]=-0.00006;
1213 }
1214 else {
7101948c 1215 lp[3]=0.093*0.093;
d695268b 1216 if (info[0]==1) { lp[5]=-0.00014;}
1217 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1218 }
1219
00a7cc50 1220 AliITSRecPoint * cl2;
1221 if(clusters){
75fb37cc 1222 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 1223
00a7cc50 1224 cl2->SetChargeRatio(ratio);
1225 cl2->SetType(7);
308b5ea4 1226 fgPairs[ip*nn+jn] =7;
00a7cc50 1227 if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster
1228 cl2->SetType(8);
308b5ea4 1229 fgPairs[ip*nn+jn]=8;
00a7cc50 1230 }
1231
1232 }
04366a57 1233 else{
75fb37cc 1234 cl2 = new AliITSRecPoint(milab,lp,info);
00a7cc50 1235 cl2->SetChargeRatio(ratio);
1236 cl2->SetType(7);
308b5ea4 1237 fgPairs[ip*nn+jn] =7;
00a7cc50 1238 if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster
1239 cl2->SetType(8);
308b5ea4 1240 fgPairs[ip*nn+jn]=8;
00a7cc50 1241 }
1242
1243 fDetTypeRec->AddRecPoint(*cl2);
04366a57 1244 }
1245 ncl++;
04366a57 1246 }
1247 //
1248 // add second pair
1249 // if (!(cused1[ip]||cused2[jn2])){
a64f9843 1250 if ( (fgPairs[ip*nn+jn2]==100)&&(neg[jn2].GetQ() ) ) { //
1251
d036ccd3 1252 Float_t yn=neg[jn2].GetY();
1253 Double_t yp=pos[ip].GetY();
2069484c 1254
8be4e1b1 1255 Float_t xt, zt;
1256 seg->GetPadCxz(yn, yp, xt, zt);
1257
1258 xbest=xt; zbest=zt;
2069484c 1259
04366a57 1260 qbest =neg[jn2].GetQ();
d036ccd3 1261
b4704be3 1262 {
8be4e1b1 1263 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
b4704be3 1264 mT2L->MasterToLocal(loc,trk);
1265 lp[0]=trk[1];
1266 lp[1]=trk[2];
1267 }
d695268b 1268
04366a57 1269 lp[4]=qbest; //Q
1270 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1271 for (Int_t ilab=0;ilab<3;ilab++){
1272 milab[ilab] = pos[ip].GetLabel(ilab);
1273 milab[ilab+3] = neg[jn2].GetLabel(ilab);
1274 }
1275 //
1276 CheckLabels2(milab);
1277 ratio = (pos[ip].GetQ()-neg[jn2].GetQ())/(pos[ip].GetQ()+neg[jn2].GetQ());
1278 milab[3]=(((ip<<10) + jn2)<<10) + idet; // pos|neg|det
1279 Int_t info[3] = {pos[ip].GetNd(),neg[jn2].GetNd(),fNlayer[fModule]};
d695268b 1280
1281 lp[2]=0.0022*0.0022; //SigmaY2
1282 lp[3]=0.110*0.110; //SigmaZ2
1283 // out-of-diagonal element of covariance matrix
1284 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1285 else if ( (info[0]>1) && (info[1]>1) ) {
1286 lp[2]=0.0016*0.0016; //SigmaY2
1287 lp[3]=0.08*0.08; //SigmaZ2
1288 lp[5]=-0.00006;
1289 }
1290 else {
7101948c 1291 lp[3]=0.093*0.093;
d695268b 1292 if (info[0]==1) { lp[5]=-0.00014;}
1293 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1294 }
1295
00a7cc50 1296 AliITSRecPoint * cl2;
1297 if(clusters){
75fb37cc 1298 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 1299
308b5ea4 1300
00a7cc50 1301 cl2->SetChargeRatio(ratio);
308b5ea4 1302 fgPairs[ip*nn+jn2]=7;
00a7cc50 1303 cl2->SetType(7);
1304 if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster
1305 cl2->SetType(8);
308b5ea4 1306 fgPairs[ip*nn+jn2]=8;
00a7cc50 1307 }
1308
1309 }
04366a57 1310 else{
75fb37cc 1311 cl2 = new AliITSRecPoint(milab,lp,info);
00a7cc50 1312 cl2->SetChargeRatio(ratio);
308b5ea4 1313 fgPairs[ip*nn+jn2]=7;
00a7cc50 1314 cl2->SetType(7);
1315 if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster
1316 cl2->SetType(8);
308b5ea4 1317 fgPairs[ip*nn+jn2]=8;
00a7cc50 1318 }
308b5ea4 1319
00a7cc50 1320 fDetTypeRec->AddRecPoint(*cl2);
04366a57 1321 }
1322
1323 ncl++;
04366a57 1324 }
1325 cused1[ip]++;
1326 cused2[jn]++;
1327 cused2[jn2]++;
308b5ea4 1328
a64f9843 1329 } // charge matching condition
1330
1331 } // 2 Nside cross 1 Pside
1332 } // loop over Pside clusters
1333
1334
1335
1336 for (Int_t ip=0;ip<np;ip++){
d695268b 1337
1338 if(cused1[ip]) continue;
1339
1340
8be4e1b1 1341 Float_t xbest=1000,zbest=1000,qbest=0;
04366a57 1342 //
a64f9843 1343 // 2x2 clusters
04366a57 1344 //
d695268b 1345 if ( (cnegative[ip]==2) && cpositive[negativepair[10*ip]]==2){
1346 Float_t minchargediff =4.;
1347 Float_t minchargeratio =0.2;
1348
1349 Int_t j=-1;
1350 for (Int_t di=0;di<cnegative[ip];di++){
1351 Int_t jc = negativepair[ip*10+di];
1352 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1353 ratio = (pos[ip].GetQ()-neg[jc].GetQ())/(pos[ip].GetQ()+neg[jc].GetQ());
1354 //if (TMath::Abs(chargedif)<minchargediff){
1355 if (TMath::Abs(ratio)<0.2){
1356 j =jc;
1357 minchargediff = TMath::Abs(chargedif);
1358 minchargeratio = TMath::Abs(ratio);
1359 }
1360 }
1361 if (j<0) continue; // not proper cluster
1362
1363
1364 Int_t count =0;
1365 for (Int_t di=0;di<cnegative[ip];di++){
1366 Int_t jc = negativepair[ip*10+di];
1367 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1368 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
1369 }
1370 if (count>1) continue; // more than one "proper" cluster for positive
1371 //
1372
1373 count =0;
1374 for (Int_t dj=0;dj<cpositive[j];dj++){
1375 Int_t ic = positivepair[j*10+dj];
1376 Float_t chargedif = pos[ic].GetQ()-neg[j].GetQ();
1377 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
1378 }
1379 if (count>1) continue; // more than one "proper" cluster for negative
1380
1381 Int_t jp = 0;
1382
1383 count =0;
1384 for (Int_t dj=0;dj<cnegative[jp];dj++){
1385 Int_t ic = positivepair[jp*10+dj];
1386 Float_t chargedif = pos[ic].GetQ()-neg[jp].GetQ();
1387 if (TMath::Abs(chargedif)<minchargediff+4.) count++;
1388 }
1389 if (count>1) continue;
1390 if (fgPairs[ip*nn+j]<100) continue;
1391 //
1392
1393
1394
1395 //almost gold clusters
1396 Float_t yp=pos[ip].GetY();
1397 Float_t yn=neg[j].GetY();
1398 Float_t xt, zt;
1399 seg->GetPadCxz(yn, yp, xt, zt);
1400 xbest=xt; zbest=zt;
1401 qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
1402 {
1403 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
1404 mT2L->MasterToLocal(loc,trk);
1405 lp[0]=trk[1];
1406 lp[1]=trk[2];
1407 }
1408 lp[4]=qbest; //Q
1409 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1410 for (Int_t ilab=0;ilab<3;ilab++){
1411 milab[ilab] = pos[ip].GetLabel(ilab);
1412 milab[ilab+3] = neg[j].GetLabel(ilab);
1413 }
1414 //
1415 CheckLabels2(milab);
1416 if ((neg[j].GetQ()==0)&&(pos[ip].GetQ()==0)) continue; // reject crosses of bad strips!!
1417 ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
1418 milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
1419 Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
1420
1421 lp[2]=0.0022*0.0022; //SigmaY2
1422 lp[3]=0.110*0.110; //SigmaZ2
1423 // out-of-diagonal element of covariance matrix
1424 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1425 else if ( (info[0]>1) && (info[1]>1) ) {
1426 lp[2]=0.0016*0.0016; //SigmaY2
1427 lp[3]=0.08*0.08; //SigmaZ2
1428 lp[5]=-0.00006;
1429 }
1430 else {
7101948c 1431 lp[3]=0.093*0.093;
d695268b 1432 if (info[0]==1) { lp[5]=-0.00014;}
1433 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1434 }
1435
1436 AliITSRecPoint * cl2;
1437 if(clusters){
1438 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1439
1440 cl2->SetChargeRatio(ratio);
1441 cl2->SetType(10);
1442 fgPairs[ip*nn+j]=10;
1443 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
1444 cl2->SetType(11);
1445 fgPairs[ip*nn+j]=11;
1446 }
1447 cused1[ip]++;
1448 cused2[j]++;
1449 }
1450 else{
1451 cl2 = new AliITSRecPoint(milab,lp,info);
1452 cl2->SetChargeRatio(ratio);
1453 cl2->SetType(10);
1454 fgPairs[ip*nn+j]=10;
1455 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
1456 cl2->SetType(11);
1457 fgPairs[ip*nn+j]=11;
1458 }
1459 cused1[ip]++;
1460 cused2[j]++;
1461
1462 fDetTypeRec->AddRecPoint(*cl2);
1463 }
1464 ncl++;
1465
1466 } // 2X2
1467 } // loop over Pside 1Dclusters
1468
1469
1470
1471 for (Int_t ip=0;ip<np;ip++){
1472
1473 if(cused1[ip]) continue;
1474
1475
1476 Float_t xbest=1000,zbest=1000,qbest=0;
1477 //
1478 // manyxmany clusters
1479 //
a64f9843 1480 if ( (cnegative[ip]<5) && cpositive[negativepair[10*ip]]<5){
1481 Float_t minchargediff =4.;
1482 Int_t j=-1;
1483 for (Int_t di=0;di<cnegative[ip];di++){
1484 Int_t jc = negativepair[ip*10+di];
1485 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1486 if (TMath::Abs(chargedif)<minchargediff){
1487 j =jc;
1488 minchargediff = TMath::Abs(chargedif);
1489 }
00a7cc50 1490 }
a64f9843 1491 if (j<0) continue; // not proper cluster
1492
1493 Int_t count =0;
1494 for (Int_t di=0;di<cnegative[ip];di++){
1495 Int_t jc = negativepair[ip*10+di];
1496 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1497 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
00a7cc50 1498 }
a64f9843 1499 if (count>1) continue; // more than one "proper" cluster for positive
1500 //
00a7cc50 1501
a64f9843 1502 count =0;
1503 for (Int_t dj=0;dj<cpositive[j];dj++){
1504 Int_t ic = positivepair[j*10+dj];
1505 Float_t chargedif = pos[ic].GetQ()-neg[j].GetQ();
1506 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
1507 }
1508 if (count>1) continue; // more than one "proper" cluster for negative
1509
1510 Int_t jp = 0;
1511
1512 count =0;
1513 for (Int_t dj=0;dj<cnegative[jp];dj++){
1514 Int_t ic = positivepair[jp*10+dj];
1515 Float_t chargedif = pos[ic].GetQ()-neg[jp].GetQ();
1516 if (TMath::Abs(chargedif)<minchargediff+4.) count++;
1517 }
1518 if (count>1) continue;
1519 if (fgPairs[ip*nn+j]<100) continue;
1520 //
1521
1522 //almost gold clusters
d036ccd3 1523 Float_t yp=pos[ip].GetY();
1524 Float_t yn=neg[j].GetY();
1525
8be4e1b1 1526
1527 Float_t xt, zt;
1528 seg->GetPadCxz(yn, yp, xt, zt);
1529
1530 xbest=xt; zbest=zt;
1531
a64f9843 1532 qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
d036ccd3 1533
a64f9843 1534 {
8be4e1b1 1535 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
a64f9843 1536 mT2L->MasterToLocal(loc,trk);
1537 lp[0]=trk[1];
1538 lp[1]=trk[2];
1539 }
a64f9843 1540 lp[4]=qbest; //Q
1541 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1542 for (Int_t ilab=0;ilab<3;ilab++){
1543 milab[ilab] = pos[ip].GetLabel(ilab);
1544 milab[ilab+3] = neg[j].GetLabel(ilab);
1545 }
1546 //
1547 CheckLabels2(milab);
db6e54cd 1548 if ((neg[j].GetQ()==0)&&(pos[ip].GetQ()==0)) continue; // reject crosses of bad strips!!
a64f9843 1549 ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
1550 milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
1551 Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
d695268b 1552
1553 lp[2]=0.0022*0.0022; //SigmaY2
1554 lp[3]=0.110*0.110; //SigmaZ2
1555 // out-of-diagonal element of covariance matrix
1556 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1557 else if ( (info[0]>1) && (info[1]>1) ) {
1558 lp[2]=0.0016*0.0016; //SigmaY2
1559 lp[3]=0.08*0.08; //SigmaZ2
1560 lp[5]=-0.00006;
1561 }
1562 else {
7101948c 1563 lp[3]=0.093*0.093;
d695268b 1564 if (info[0]==1) { lp[5]=-0.00014;}
1565 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1566 }
1567
a64f9843 1568 AliITSRecPoint * cl2;
1569 if(clusters){
1570 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
d036ccd3 1571
a64f9843 1572 cl2->SetChargeRatio(ratio);
d695268b 1573 cl2->SetType(12);
1574 fgPairs[ip*nn+j]=12;
a64f9843 1575 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
d695268b 1576 cl2->SetType(13);
1577 fgPairs[ip*nn+j]=13;
a64f9843 1578 }
1579 cused1[ip]++;
1580 cused2[j]++;
1581 }
1582 else{
1583 cl2 = new AliITSRecPoint(milab,lp,info);
1584 cl2->SetChargeRatio(ratio);
d695268b 1585 cl2->SetType(12);
1586 fgPairs[ip*nn+j]=12;
a64f9843 1587 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
d695268b 1588 cl2->SetType(13);
1589 fgPairs[ip*nn+j]=13;
a64f9843 1590 }
1591 cused1[ip]++;
1592 cused2[j]++;
1593
a64f9843 1594 fDetTypeRec->AddRecPoint(*cl2);
1595 }
1596 ncl++;
1597
1598 } // manyXmany
1599 } // loop over Pside 1Dclusters
1600
a64f9843 1601 } // use charge matching
1602
04366a57 1603
a64f9843 1604 // recover all the other crosses
04366a57 1605 //
1606 for (Int_t i=0; i<np; i++) {
8be4e1b1 1607 Float_t xbest=1000,zbest=1000,qbest=0;
d036ccd3 1608 Float_t yp=pos[i].GetY();
a64f9843 1609 if ((pos[i].GetQ()>0)&&(pos[i].GetQ()<3)) continue;
04366a57 1610 for (Int_t j=0; j<nn; j++) {
1611 // for (Int_t di = 0;di<cpositive[i];di++){
1612 // Int_t j = negativepair[10*i+di];
a64f9843 1613 if ((neg[j].GetQ()>0)&&(neg[j].GetQ()<3)) continue;
1614
1615 if ((neg[j].GetQ()==0)&&(pos[i].GetQ()==0)) continue; // reject crosses of bad strips!!
1616
04366a57 1617 if (cused2[j]||cused1[i]) continue;
308b5ea4 1618 if (fgPairs[i*nn+j]>0 &&fgPairs[i*nn+j]<100) continue;
04366a57 1619 ratio = (pos[i].GetQ()-neg[j].GetQ())/(pos[i].GetQ()+neg[j].GetQ());
d036ccd3 1620 Float_t yn=neg[j].GetY();
1621
8be4e1b1 1622 Float_t xt, zt;
1623 seg->GetPadCxz(yn, yp, xt, zt);
d036ccd3 1624
8be4e1b1 1625 if (TMath::Abs(xt)<hwSSD+0.01)
1626 if (TMath::Abs(zt)<hlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) {
1627 xbest=xt; zbest=zt;
1628
04366a57 1629 qbest=0.5*(pos[i].GetQ()+neg[j].GetQ());
d036ccd3 1630
b4704be3 1631 {
8be4e1b1 1632 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
b4704be3 1633 mT2L->MasterToLocal(loc,trk);
1634 lp[0]=trk[1];
1635 lp[1]=trk[2];
1636 }
04366a57 1637 lp[4]=qbest; //Q
1638 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1639 for (Int_t ilab=0;ilab<3;ilab++){
1640 milab[ilab] = pos[i].GetLabel(ilab);
1641 milab[ilab+3] = neg[j].GetLabel(ilab);
1642 }
1643 //
1644 CheckLabels2(milab);
1645 milab[3]=(((i<<10) + j)<<10) + idet; // pos|neg|det
1646 Int_t info[3] = {pos[i].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
d695268b 1647
1648 lp[2]=0.0022*0.0022; //SigmaY2
1649 lp[3]=0.110*0.110; //SigmaZ2
1650 // out-of-diagonal element of covariance matrix
1651 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1652 else if ( (info[0]>1) && (info[1]>1) ) {
1653 lp[2]=0.0016*0.0016; //SigmaY2
1654 lp[3]=0.08*0.08; //SigmaZ2
1655 lp[5]=-0.00006;
1656 }
1657 else {
7101948c 1658 lp[3]=0.093*0.093;
d695268b 1659 if (info[0]==1) { lp[5]=-0.00014;}
1660 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1661 }
1662
00a7cc50 1663 AliITSRecPoint * cl2;
1664 if(clusters){
75fb37cc 1665 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 1666
00a7cc50 1667 cl2->SetChargeRatio(ratio);
1668 cl2->SetType(100+cpositive[j]+cnegative[i]);
a64f9843 1669
1670 if(pos[i].GetQ()==0) cl2->SetType(200+cpositive[j]+cnegative[i]);
1671 if(neg[j].GetQ()==0) cl2->SetType(300+cpositive[j]+cnegative[i]);
1672
00a7cc50 1673 }
04366a57 1674 else{
75fb37cc 1675 cl2 = new AliITSRecPoint(milab,lp,info);
00a7cc50 1676 cl2->SetChargeRatio(ratio);
1677 cl2->SetType(100+cpositive[j]+cnegative[i]);
308b5ea4 1678
a64f9843 1679 if(pos[i].GetQ()==0) cl2->SetType(200+cpositive[j]+cnegative[i]);
1680 if(neg[j].GetQ()==0) cl2->SetType(300+cpositive[j]+cnegative[i]);
308b5ea4 1681
00a7cc50 1682 fDetTypeRec->AddRecPoint(*cl2);
04366a57 1683 }
1684 ncl++;
04366a57 1685 }
1686 }
1687 }
d695268b 1688
1689
d695268b 1690
7101948c 1691 if(repa->GetUseBadChannelsInClusterFinderSSD()==kTRUE) {
1692
1693 //---------------------------------------------------------
1694 // recover crosses of good 1D clusters with bad strips on the other side
1695 // Note1: at first iteration skip modules with a bad side (or almost), (would produce too many fake!)
1696 // Note2: for modules with a bad side see below
1697
1698 AliITSCalibrationSSD* cal = (AliITSCalibrationSSD*)GetResp(fModule);
1699 Int_t countPbad=0, countNbad=0;
1700 for(Int_t ib=0; ib<768; ib++) {
1701 if(cal->IsPChannelBad(ib)) countPbad++;
1702 if(cal->IsNChannelBad(ib)) countNbad++;
1703 }
1704 // AliInfo(Form("module %d has %d P- and %d N-bad strips",fModule,countPbad,countNbad));
d695268b 1705
7101948c 1706 if( (countPbad<100) && (countNbad<100) ) { // no bad side!!
d695268b 1707
7101948c 1708 for (Int_t i=0; i<np; i++) { // loop over Nside 1Dclusters with no crosses
1709 if(cnegative[i]) continue; // if intersecting Pside clusters continue;
d695268b 1710
7101948c 1711 // for(Int_t ib=0; ib<768; ib++) { // loop over all Pstrips
1712 for(Int_t ib=15; ib<753; ib++) { // loop over all Pstrips
d695268b 1713
7101948c 1714 if(cal->IsPChannelBad(ib)) { // check if strips is bad
1715 Float_t yN=pos[i].GetY();
1716 Float_t xt, zt;
1717 seg->GetPadCxz(1.*ib, yN, xt, zt);
d695268b 1718
7101948c 1719 //----------
1720 // bad Pstrip is crossing the Nside 1Dcluster -> create recpoint
1721 //
1722 if ( (TMath::Abs(xt)<hwSSD+0.01) && (TMath::Abs(zt)<hlSSD+0.01) ) {
1723 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1724 mT2L->MasterToLocal(loc,trk);
1725 lp[0]=trk[1];
1726 lp[1]=trk[2];
1727 lp[4]=pos[i].GetQ(); //Q
1728 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1729 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = pos[i].GetLabel(ilab);
1730 CheckLabels2(milab);
1731 milab[3]=( (i<<10) << 10 ) + idet; // pos|neg|det
1732 Int_t info[3] = {pos[i].GetNd(),0,fNlayer[fModule]};
1733
1734 // out-of-diagonal element of covariance matrix
1735 if (info[0]==1) lp[5]=0.0065;
1736 else lp[5]=0.0093;
1737
1738 lp[2]=0.0022*0.0022; //SigmaY2
1739 lp[3]=0.110*0.110; //SigmaZ2
1740 lp[5]=-0.00012; // out-of-diagonal element of covariance matrix
1741
1742 AliITSRecPoint * cl2;
1743 if(clusters){
1744 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1745 cl2->SetChargeRatio(1.);
d695268b 1746 cl2->SetType(50);
7101948c 1747 }
1748 else{
1749 cl2 = new AliITSRecPoint(milab,lp,info);
1750 cl2->SetChargeRatio(1.);
1751 cl2->SetType(50);
1752 fDetTypeRec->AddRecPoint(*cl2);
1753 }
1754 ncl++;
1755 } // cross is within the detector
1756 //
1757 //--------------
1758
1759 } // bad Pstrip
d695268b 1760
7101948c 1761 } // end loop over Pstrips
d695268b 1762
7101948c 1763 } // end loop over Nside 1D clusters
d695268b 1764
7101948c 1765 for (Int_t j=0; j<nn; j++) { // loop over Pside 1D clusters with no crosses
1766 if(cpositive[j]) continue;
1767
1768 // for(Int_t ib=0; ib<768; ib++) { // loop over all Nside strips
1769 for(Int_t ib=15; ib<753; ib++) { // loop over all Nside strips
1770
1771 if(cal->IsNChannelBad(ib)) { // check if strip is bad
1772 Float_t yP=neg[j].GetY();
1773 Float_t xt, zt;
1774 seg->GetPadCxz(yP, 1.*ib, xt, zt);
1775
1776 //----------
1777 // bad Nstrip is crossing the Pside 1Dcluster -> create recpoint
1778 //
1779 if ( (TMath::Abs(xt)<hwSSD+0.01) && (TMath::Abs(zt)<hlSSD+0.01) ) {
1780 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1781 mT2L->MasterToLocal(loc,trk);
1782 lp[0]=trk[1];
1783 lp[1]=trk[2];
1784 lp[4]=neg[j].GetQ(); //Q
1785 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1786 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = neg[j].GetLabel(ilab);
1787 CheckLabels2(milab);
1788 milab[3]=( j << 10 ) + idet; // pos|neg|det
1789 Int_t info[3]={0,(Int_t)neg[j].GetNd(),fNlayer[fModule]};
1790
1791 lp[2]=0.0022*0.0022; //SigmaY2
1792 lp[3]=0.110*0.110; //SigmaZ2
1793 lp[5]=-0.00012; // out-of-diagonal element of covariance matrix
1794
1795 AliITSRecPoint * cl2;
1796 if(clusters){
1797 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1798 cl2->SetChargeRatio(1.);
1799 cl2->SetType(60);
1800 }
1801 else{
1802 cl2 = new AliITSRecPoint(milab,lp,info);
1803 cl2->SetChargeRatio(1.);
1804 cl2->SetType(60);
1805 fDetTypeRec->AddRecPoint(*cl2);
1806 }
1807 ncl++;
1808 } // cross is within the detector
1809 //
1810 //--------------
1811
1812 } // bad Nstrip
1813 } // end loop over Nstrips
1814 } // end loop over Pside 1D clusters
1815
1816 } // no bad sides
1817
1818 //---------------------------------------------------------
d695268b 1819
7101948c 1820 else if( (countPbad>700) && (countNbad<100) ) { // bad Pside!!
d695268b 1821
7101948c 1822 for (Int_t i=0; i<np; i++) { // loop over Nside 1Dclusters with no crosses
1823 if(cnegative[i]) continue; // if intersecting Pside clusters continue;
d695268b 1824
7101948c 1825 Float_t xt, zt;
1826 Float_t yN=pos[i].GetY();
1827 Float_t yP=0.;
1828 if (seg->GetLayer()==5) yP = yN + (7.6/1.9);
1829 else yP = yN - (7.6/1.9);
1830 seg->GetPadCxz(yP, yN, xt, zt);
1831
1832 if ( (TMath::Abs(xt)<hwSSD+0.01) && (TMath::Abs(zt)<hlSSD+0.01) ) {
1833 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1834 mT2L->MasterToLocal(loc,trk);
1835 lp[0]=trk[1];
1836 lp[1]=trk[2];
1837 lp[4]=pos[i].GetQ(); //Q
1838 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1839 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = pos[i].GetLabel(ilab);
1840 CheckLabels2(milab);
1841 milab[3]=( (i<<10) << 10 ) + idet; // pos|neg|det
1842 Int_t info[3] = {(Int_t)pos[i].GetNd(),0,fNlayer[fModule]};
d695268b 1843
7101948c 1844 lp[2]=0.031*0.031; //SigmaY2
1845 lp[3]=1.15*1.15; //SigmaZ2
1846 lp[5]=-0.036;
d695268b 1847
7101948c 1848 AliITSRecPoint * cl2;
1849 if(clusters){
1850 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1851 cl2->SetChargeRatio(1.);
1852 cl2->SetType(70);
1853 }
1854 else{
1855 cl2 = new AliITSRecPoint(milab,lp,info);
1856 cl2->SetChargeRatio(1.);
1857 cl2->SetType(70);
1858 fDetTypeRec->AddRecPoint(*cl2);
1859 }
1860 ncl++;
1861 } // cross is within the detector
1862 //
1863 //--------------
1864
1865 } // end loop over Nside 1D clusters
1866
1867 } // bad Pside module
d695268b 1868
7101948c 1869 else if( (countNbad>700) && (countPbad<100) ) { // bad Nside!!
d695268b 1870
7101948c 1871 for (Int_t j=0; j<nn; j++) { // loop over Pside 1D clusters with no crosses
1872 if(cpositive[j]) continue;
1873
1874 Float_t xt, zt;
1875 Float_t yP=neg[j].GetY();
1876 Float_t yN=0.;
1877 if (seg->GetLayer()==5) yN = yP - (7.6/1.9);
1878 else yN = yP + (7.6/1.9);
1879 seg->GetPadCxz(yP, yN, xt, zt);
1880
1881 if ( (TMath::Abs(xt)<hwSSD+0.01) && (TMath::Abs(zt)<hlSSD+0.01) ) {
1882 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1883 mT2L->MasterToLocal(loc,trk);
1884 lp[0]=trk[1];
1885 lp[1]=trk[2];
1886 lp[4]=neg[j].GetQ(); //Q
1887 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1888 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = neg[j].GetLabel(ilab);
1889 CheckLabels2(milab);
1890 milab[3]=( j << 10 ) + idet; // pos|neg|det
1891 Int_t info[3] = {0,(Int_t)neg[j].GetNd(),fNlayer[fModule]};
d695268b 1892
7101948c 1893 lp[2]=0.0085*0.0085; //SigmaY2
1894 lp[3]=1.15*1.15; //SigmaZ2
1895 lp[5]=0.0093;
1896
1897 AliITSRecPoint * cl2;
1898 if(clusters){
1899 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1900 cl2->SetChargeRatio(1.);
1901 cl2->SetType(80);
1902 }
1903 else{
1904 cl2 = new AliITSRecPoint(milab,lp,info);
1905 cl2->SetChargeRatio(1.);
1906 cl2->SetType(80);
1907 fDetTypeRec->AddRecPoint(*cl2);
1908 }
1909 ncl++;
1910 } // cross is within the detector
1911 //
1912 //--------------
1913
1914 } // end loop over Pside 1D clusters
d695268b 1915
7101948c 1916 } // bad Nside module
d695268b 1917
7101948c 1918 //---------------------------------------------------------
d695268b 1919
7101948c 1920 } // use bad channels
d695268b 1921
d695268b 1922 //cout<<ncl<<" clusters for this module"<<endl;
1923
8be4e1b1 1924 delete [] cnegative;
1925 delete [] cused1;
1926 delete [] negativepair;
1927 delete [] cpositive;
1928 delete [] cused2;
1929 delete [] positivepair;
04366a57 1930
7101948c 1931}