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1/**************************************************************************
2 * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/* $Id$ */
17
18////////////////////////////////////////////////////////////////////////////
19// Implementation of the ITS clusterer V2 class //
20// //
21// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch //
22// Last revision: 13-05-09 Enrico Fragiacomo //
23// enrico.fragiacomo@ts.infn.it //
24// //
25///////////////////////////////////////////////////////////////////////////
26
27#include "AliITSClusterFinderV2SSD.h"
28
29#include <Riostream.h>
30#include <TGeoGlobalMagField.h>
31
32#include "AliLog.h"
33#include "AliMagF.h"
34#include "AliITSRecPoint.h"
35#include "AliITSRecPointContainer.h"
36#include "AliITSgeomTGeo.h"
37#include "AliITSDetTypeRec.h"
38#include "AliRawReader.h"
39#include "AliITSRawStreamSSD.h"
40#include <TClonesArray.h>
41#include <TCollection.h>
42#include "AliITSdigitSSD.h"
43#include "AliITSReconstructor.h"
44#include "AliITSCalibrationSSD.h"
45#include "AliITSsegmentationSSD.h"
46
47Short_t *AliITSClusterFinderV2SSD::fgPairs = 0x0;
48Int_t AliITSClusterFinderV2SSD::fgPairsSize = 0;
49const Float_t AliITSClusterFinderV2SSD::fgkThreshold = 5.;
50
51const Float_t AliITSClusterFinderV2SSD::fgkCosmic2008StripShifts[16][9] =
52 {{-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35}, // DDL 512
53 {-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35}, // DDL 513
54 {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15}, // DDL 514
55 {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15}, // DDL 515
56 { 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00}, // DDL 516
57 { 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00}, // DDL 517
58 {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15}, // DDL 518
59 {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15}, // DDL 519
60 {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.25,-0.15}, // DDL 520
61 {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15}, // DDL 521
62 {-0.10,-0.10,-0.10,-0.40,-0.40,-0.40,-0.10,-0.10,-0.45}, // DDL 522
63 {-0.10,-0.10,-0.10,-0.35,-0.35,-0.35,-0.10,-0.35,-0.50}, // DDL 523
64 { 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00}, // DDL 524
65 { 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00}, // DDL 525
66 { 0.35, 0.35, 0.35, 0.35, 0.35, 0.35, 0.35, 0.35, 0.35}, // DDL 526
67 { 0.45, 0.45, 0.45, 0.45, 0.45, 0.45, 0.45, 0.45, 0.45}}; // DDL 527
68
69ClassImp(AliITSClusterFinderV2SSD)
70
71
72 AliITSClusterFinderV2SSD::AliITSClusterFinderV2SSD(AliITSDetTypeRec* dettyp):AliITSClusterFinder(dettyp),fLastSSD1(AliITSgeomTGeo::GetModuleIndex(6,1,1)-1), fLorentzShiftP(0), fLorentzShiftN(0)
73{
74//Default constructor
75 static AliITSRecoParam *repa = NULL;
76 if(!repa){
77 repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
78 if(!repa){
79 repa = AliITSRecoParam::GetHighFluxParam();
80 AliWarning("Using default AliITSRecoParam class");
81 }
82 }
83
84 if (repa->GetCorrectLorentzAngleSSD()) {
85 AliMagF* field = dynamic_cast<AliMagF*>(TGeoGlobalMagField::Instance()->GetField());
86 if (field == 0) {
87 AliError("Cannot get magnetic field from TGeoGlobalMagField");
88 }
89 else {
90 Float_t Bfield = field->SolenoidField();
91 // NB: spatial shift has opposite sign for lay 5 and 6, but strip numbering also changes direction, so no sign-change
92 // Shift due to ExB on drift N-side, units: strip width
93 fLorentzShiftP = -repa->GetTanLorentzAngleElectronsSSD() * 150.e-4/95.e-4 * Bfield / 5.0;
94 // Shift due to ExB on drift P-side, units: strip width
95 fLorentzShiftN = -repa->GetTanLorentzAngleHolesSSD() * 150.e-4/95.e-4 * Bfield / 5.0;
96 AliDebug(1,Form("Bfield %f Lorentz Shift P-side %f N-side %f",Bfield,fLorentzShiftN,fLorentzShiftP));
97 }
98 }
99}
100
101//______________________________________________________________________
102AliITSClusterFinderV2SSD::AliITSClusterFinderV2SSD(const AliITSClusterFinderV2SSD &cf) : AliITSClusterFinder(cf), fLastSSD1(cf.fLastSSD1), fLorentzShiftP(cf.fLorentzShiftP), fLorentzShiftN(cf.fLorentzShiftN)
103{
104 // Copy constructor
105}
106
107//______________________________________________________________________
108AliITSClusterFinderV2SSD& AliITSClusterFinderV2SSD::operator=(const AliITSClusterFinderV2SSD& cf ){
109 // Assignment operator
110
111 this->~AliITSClusterFinderV2SSD();
112 new(this) AliITSClusterFinderV2SSD(cf);
113 return *this;
114}
115
116
117void AliITSClusterFinderV2SSD::FindRawClusters(Int_t mod){
118
119 //Find clusters V2
120 SetModule(mod);
121 FindClustersSSD(fDigits);
122
123}
124
125void AliITSClusterFinderV2SSD::FindClustersSSD(TClonesArray *alldigits) {
126 //------------------------------------------------------------
127 // Actual SSD cluster finder
128 //------------------------------------------------------------
129 Int_t smaxall=alldigits->GetEntriesFast();
130 if (smaxall==0) return;
131
132
133 //---------------------------------------
134 // load recoparam and calibration
135 //
136 static AliITSRecoParam *repa = NULL;
137 if(!repa){
138 repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
139 if(!repa){
140 repa = AliITSRecoParam::GetHighFluxParam();
141 AliWarning("Using default AliITSRecoParam class");
142 }
143 }
144
145 AliITSCalibrationSSD* cal = (AliITSCalibrationSSD*)GetResp(fModule);
146 Float_t gain=0;
147 Float_t noise=0;
148 //---------------------------------------
149
150
151 //------------------------------------
152 // fill the digits array with zero-suppression condition
153 // Signal is converted in KeV
154 //
155 TObjArray digits;
156 for (Int_t i=0;i<smaxall; i++){
157 AliITSdigitSSD *d=(AliITSdigitSSD*)alldigits->UncheckedAt(i);
158
159 if(d->IsSideP()) noise = cal->GetNoiseP(d->GetStripNumber());
160 else noise = cal->GetNoiseN(d->GetStripNumber());
161 if (d->GetSignal()<3.*noise) continue;
162
163 if(d->IsSideP()) gain = cal->GetGainP(d->GetStripNumber());
164 else gain = cal->GetGainN(d->GetStripNumber());
165
166 Float_t q=gain*d->GetSignal(); //
167 q=cal->ADCToKeV(q); // converts the charge in KeV from ADC units
168 d->SetSignal(Int_t(q));
169
170 digits.AddLast(d);
171 }
172 Int_t smax = digits.GetEntriesFast();
173 if (smax==0) return;
174 //------------------------------------
175
176
177 const Int_t kMax=1000;
178 Int_t np=0, nn=0;
179 Ali1Dcluster pos[kMax], neg[kMax];
180 Float_t y=0., q=0., qmax=0.;
181 Int_t lab[4]={-2,-2,-2,-2};
182 Bool_t flag5 = 0;
183
184 /*
185 cout<<"-----------------------------"<<endl;
186 cout<<"this is module "<<fModule;
187 cout<<endl;
188 cout<<endl;
189 */
190 Int_t layer = 4;
191 if (fModule>fLastSSD1)
192 layer = 5;
193
194 //--------------------------------------------------------
195 // start 1D-clustering from the first digit in the digits array
196 //
197 AliITSdigitSSD *d=(AliITSdigitSSD*)digits.UncheckedAt(0);
198 q += d->GetSignal();
199 y += d->GetCoord2()*d->GetSignal();
200 qmax=d->GetSignal();
201 lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2);
202
203 if(d->IsSideP()) {
204 noise = cal->GetNoiseP(d->GetStripNumber());
205 gain = cal->GetGainP(d->GetStripNumber());
206 }
207 else {
208 noise = cal->GetNoiseN(d->GetStripNumber());
209 gain = cal->GetGainN(d->GetStripNumber());
210 }
211 noise*=gain;
212 noise=cal->ADCToKeV(noise); // converts noise in KeV from ADC units
213
214 if(qmax>fgkThreshold*noise) flag5=1; // seed for the cluster
215
216 /*
217 cout<<d->GetSignal()<<" "<<noise<<" "<<flag5<<" "<<
218 d->GetCoord1()<<" "<<d->GetCoord2()<<endl;
219 */
220
221 Int_t curr=d->GetCoord2();
222 Int_t flag=d->GetCoord1();
223
224 // Note: the first side which will be processed is supposed to be the
225 // P-side which is neg
226 Int_t *n=&nn;
227 Ali1Dcluster *c=neg;
228 if(flag) {n=&np; c=pos;} // in case we have only Nstrips (P was bad!)
229
230 Int_t nd=1;
231 Int_t milab[10];
232 for (Int_t ilab=0;ilab<10;ilab++){
233 milab[ilab]=-2;
234 }
235 milab[0]=d->GetTrack(0); milab[1]=d->GetTrack(1); milab[2]=d->GetTrack(2);
236
237
238 //----------------------------------------------------------
239 // search for neighboring digits
240 //
241 for (Int_t s=1; s<smax; s++) {
242 d=(AliITSdigitSSD*)digits.UncheckedAt(s);
243 Int_t strip=d->GetCoord2();
244
245 // if digits is not a neighbour or side did not change
246 // and at least one of the previous digits met the seed condition
247 // then creates a new 1D cluster
248 if ( ( ((strip-curr) > 1) || (flag!=d->GetCoord1()) ) ) {
249
250 if(flag5) {
251 //cout<<"here1"<<endl;
252 Float_t dLorentz = 0;
253 if (!flag) { // P-side is neg clust
254 dLorentz = fLorentzShiftN;
255 }
256 else { // N-side is p clust
257 dLorentz = fLorentzShiftP;
258 }
259 c[*n].SetY(y/q+dLorentz);
260 c[*n].SetQ(q);
261 c[*n].SetNd(nd);
262 CheckLabels2(milab);
263 c[*n].SetLabels(milab);
264
265 if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
266 // Note: fUseUnfoldingInClusterFinderSSD=kFALSE by default in RecoParam
267
268 //Split suspiciously big cluster
269 if (nd>4&&nd<25) {
270 c[*n].SetY(y/q-0.25*nd+dLorentz);
271 c[*n].SetQ(0.5*q);
272 (*n)++;
273 if (*n==kMax) {
274 Error("FindClustersSSD","Too many 1D clusters !");
275 return;
276 }
277 c[*n].SetY(y/q+0.25*nd+dLorentz);
278 c[*n].SetQ(0.5*q);
279 c[*n].SetNd(nd);
280 c[*n].SetLabels(milab);
281 }
282
283 } // unfolding is on
284
285 (*n)++;
286 if (*n==kMax) {
287 Error("FindClustersSSD","Too many 1D clusters !");
288 return;
289 }
290
291 } // flag5 set
292
293 // reset everything
294 y=q=qmax=0.;
295 nd=0;
296 flag5=0;
297 lab[0]=lab[1]=lab[2]=-2;
298 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
299
300 // if side changed from P to N, switch to pos 1D clusters
301 // (if for some reason the side changed from N to P then do the opposite)
302 if (flag!=d->GetCoord1())
303 { if(!flag) {n=&np; c=pos;} else {n=&nn; c=neg;} }
304
305 } // end create new 1D cluster from previous neighboring digits
306
307 // continues adding digits to the previous cluster
308 // or start a new one
309 flag=d->GetCoord1();
310 q += d->GetSignal();
311 y += d->GetCoord2()*d->GetSignal();
312 nd++;
313
314 if(d->IsSideP()) {
315 noise = cal->GetNoiseP(d->GetStripNumber());
316 gain = cal->GetGainP(d->GetStripNumber());
317 }
318 else {
319 noise = cal->GetNoiseN(d->GetStripNumber());
320 gain = cal->GetGainN(d->GetStripNumber());
321 }
322 noise*=gain;
323 noise=cal->ADCToKeV(noise); // converts the charge in KeV from ADC units
324
325 if(d->GetSignal()>fgkThreshold*noise) flag5=1;
326
327 /*
328 cout<<d->GetSignal()<<" "<<noise<<" "<<flag5<<" "<<
329 d->GetCoord1()<<" "<<d->GetCoord2()<<endl;
330 */
331
332 if (d->GetSignal()>qmax) {
333 qmax=d->GetSignal();
334 lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2);
335 }
336 for (Int_t ilab=0;ilab<10;ilab++) {
337 if (d->GetTrack(ilab)>=0) AddLabel(milab, (d->GetTrack(ilab)));
338 }
339 curr=strip;
340
341
342 } // loop over digits, no more digits in the digits array
343
344
345 // add the last 1D cluster
346 if(flag5) {
347
348 // cout<<"here2"<<endl;
349 Float_t dLorentz = 0;
350 if (!flag) { // P-side is neg clust
351 dLorentz = fLorentzShiftN;
352 }
353 else { // N-side is p clust
354 dLorentz = fLorentzShiftP;
355 }
356
357 c[*n].SetY(y/q + dLorentz);
358 c[*n].SetQ(q);
359 c[*n].SetNd(nd);
360 c[*n].SetLabels(lab);
361
362 if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
363
364 //Split suspiciously big cluster
365 if (nd>4 && nd<25) {
366 c[*n].SetY(y/q-0.25*nd + dLorentz);
367 c[*n].SetQ(0.5*q);
368 (*n)++;
369 if (*n==kMax) {
370 Error("FindClustersSSD","Too many 1D clusters !");
371 return;
372 }
373 c[*n].SetY(y/q+0.25*nd + dLorentz);
374 c[*n].SetQ(0.5*q);
375 c[*n].SetNd(nd);
376 c[*n].SetLabels(lab);
377 }
378 } // unfolding is on
379
380 (*n)++;
381 if (*n==kMax) {
382 Error("FindClustersSSD","Too many 1D clusters !");
383 return;
384 }
385
386 } // if flag5 last 1D cluster added
387
388
389 //------------------------------------------------------
390 // call FindClustersSSD to pair neg and pos 1D clusters
391 // and create recpoints from the crosses
392 // Note1: neg are Pside and pos are Nside!!
393 // Note2: if there are no Pside digits nn=0 (bad strips!!) (same for Nside)
394 //
395 // cout<<nn<<" Pside and "<<np<<" Nside clusters"<<endl;
396
397 AliITSRecPointContainer* rpc = AliITSRecPointContainer::Instance();
398 if (nn*np > 0) {
399 TClonesArray* clusters = rpc->UncheckedGetClusters(fModule);
400 clusters->Clear();
401 FindClustersSSD(neg, nn, pos, np, clusters);
402 TIter itr(clusters);
403 AliITSRecPoint *irp;
404 while ((irp = (AliITSRecPoint*)itr.Next())) fDetTypeRec->AddRecPoint(*irp);
405 }
406 //-----------------------------------------------------
407}
408
409
410void AliITSClusterFinderV2SSD::RawdataToClusters(AliRawReader* rawReader){
411
412 //------------------------------------------------------------
413 // This function creates ITS clusters from raw data
414 //------------------------------------------------------------
415 fNClusters = 0;
416 rawReader->Reset();
417 AliITSRawStreamSSD inputSSD(rawReader);
418 FindClustersSSD(&inputSSD);
419
420}
421
422
423void AliITSClusterFinderV2SSD::FindClustersSSD(AliITSRawStreamSSD* input)
424{
425 //------------------------------------------------------------
426 // Actual SSD cluster finder for raw data
427 //------------------------------------------------------------
428
429 AliITSRecPointContainer* rpc = AliITSRecPointContainer::Instance();
430 static AliITSRecoParam *repa = NULL;
431 if(!repa){
432 repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
433 if(!repa){
434 repa = AliITSRecoParam::GetHighFluxParam();
435 AliWarning("Using default AliITSRecoParam class");
436 }
437 }
438 if (fRawID2ClusID) { // RS: reset references from 1D clusters to rawID's
439 fRawIDRef[0].Reset();
440 fRawIDRef[1].Reset();
441 }
442 Int_t nClustersSSD = 0;
443 const Int_t kNADC = 12;
444 const Int_t kMaxADCClusters = 1000;
445
446 Int_t strips[kNADC][2][kMaxADCClusters][3]; // [ADC],[side],[istrip], [0]=istrip [1]=signal [2]=rawID (for embedding, RS)
447 Int_t nStrips[kNADC][2];
448
449 for( int i=0; i<kNADC; i++ ){
450 nStrips[i][0] = 0;
451 nStrips[i][1] = 0;
452 }
453
454 Int_t ddl = -1;
455 Int_t ad = -1;
456
457 //*
458 //* Loop over modules DDL+AD
459 //*
460 int countRW = 0; //RS
461 if (fRawID2ClusID) fRawID2ClusID->Reset(); //RS if array was provided, we shall store the rawID -> ClusterID
462
463 while (kTRUE) {
464
465 bool next = input->Next();
466
467 //*
468 //* Continue if corrupted input
469 //*
470
471 if( (!next)&&(input->flag) ){
472 AliWarning(Form("ITSClustersFinderSSD: Corrupted data: warning from RawReader"));
473 continue;
474 }
475
476 Int_t newDDL = input->GetDDL();
477 Int_t newAD = input->GetAD();
478
479 if( next ){
480 if( newDDL<0 || newDDL>15 ){
481 AliWarning(Form("ITSClustersFinderSSD: Corrupted data: wrong DDL number (%d)",newDDL));
482 continue;
483 }
484
485 if( newAD<1 || newAD>9 ){
486 AliWarning(Form("ITSClustersFinderSSD: Corrupted data: wrong AD number (%d)",newAD));
487 continue;
488 }
489 }
490
491 bool newModule = ( !next || ddl!= newDDL || ad!=newAD );
492
493 if( newModule && ddl>=0 && ad>=0 ){
494
495 //*
496 //* Reconstruct the previous block of 12 modules --- actual clusterfinder
497 //*
498 //cout<<endl;
499 for( int adc = 0; adc<kNADC; adc++ ){
500
501 //* 1D clusterfinder
502
503 Ali1Dcluster clusters1D[2][kMaxADCClusters]; // per ADC, per side
504 Int_t nClusters1D[2] = {0,0};
505 //int nstat[2] = {0,0};
506 fModule = AliITSRawStreamSSD::GetModuleNumber(ddl, (ad - 1) * 12 + adc );
507
508 if( fModule<0 ){
509// AliWarning(Form("ITSClustersFinderSSD: Corrupted data: module (ddl %d ad %d adc %d) not found in the map",ddl,ad,adc));
510//CM channels are always present even everything is suppressed
511 continue;
512 }
513
514 Int_t layer = 4;
515 if (fModule>fLastSSD1)
516 layer = 5;
517
518 AliITSCalibrationSSD* cal = (AliITSCalibrationSSD*)fDetTypeRec->GetCalibrationModel(fModule);
519 if( !cal ){
520 AliWarning(Form("ITSClustersFinderSSD: No calibration found for module (ddl %d ad %d adc %d)",ddl,ad,adc));
521 continue;
522 }
523
524 Float_t dStrip = 0;
525
526 if( repa->GetUseCosmicRunShiftsSSD()) { // Special condition for 2007/2008 cosmic data
527 dStrip = fgkCosmic2008StripShifts[ddl][ad-1];
528 if (TMath::Abs(dStrip) > 1.5){
529 AliWarning(Form("Indexing error in Cosmic calibration: ddl = %d, dStrip %f\n",ddl,dStrip));
530 dStrip = 0;
531 }
532 }
533
534 for( int side=0; side<=1; side++ ){
535
536 Int_t lab[3]={-2,-2,-2};
537 Float_t q = 0.;
538 Float_t y = 0.;
539 Int_t nDigits = 0;
540 Int_t ostrip = -2;
541 Bool_t snFlag = 0;
542
543 Float_t dLorentz = 0;
544 if (side==0) { // P-side is neg clust
545 dLorentz = fLorentzShiftN;
546 }
547 else { // N-side is pos clust
548 dLorentz = fLorentzShiftP;
549 }
550
551 Int_t n = nStrips[adc][side];
552 for( int istr = 0; istr<n+1; istr++ ){
553
554 bool stripOK = 1;
555 Int_t strip=0, rwID = 0;
556 Float_t signal=0.0, noise=0.0, gain=0.0;
557
558 if( istr<n ){
559 strip = strips[adc][side][istr][0];
560 signal = strips[adc][side][istr][1];
561 rwID = strips[adc][side][istr][2]; // RS
562 //cout<<"strip "<<adc<<" / "<<side<<": "<<strip<<endl;
563
564 if( cal ){
565 noise = side ?cal->GetNoiseN(strip) :cal->GetNoiseP(strip);
566 gain = side ?cal->GetGainN(strip) :cal->GetGainP(strip);
567 stripOK = ( noise>=1. && signal>=3.0*noise
568 //&& !cal->IsPChannelBad(strip)
569 );
570 }
571 } else stripOK = 0; // end of data
572
573 bool newCluster = ( (abs(strip-ostrip)!=1) || !stripOK );
574
575 if( newCluster ){
576
577 //* Store the previous cluster
578
579 if( nDigits>0 && q>0 && snFlag ){
580
581 if (nClusters1D[side] >= kMaxADCClusters-1 ) {
582 AliWarning("HLT ClustersFinderSSD: Too many 1D clusters !");
583 }else {
584
585 Ali1Dcluster &cluster = clusters1D[side][nClusters1D[side]++];
586 cluster.SetY( y / q + dStrip + dLorentz);
587 cluster.SetQ(q);
588 cluster.SetNd(nDigits);
589 cluster.SetLabels(lab);
590 //cout<<"cluster 1D side "<<side<<": y= "<<y<<" q= "<<q<<" d="<<dStrip<<" Y="<<cluster.GetY()<<endl;
591 //Split suspiciously big cluster
592
593 if( repa->GetUseUnfoldingInClusterFinderSSD()
594 && nDigits > 4 && nDigits < 25
595 ){
596 cluster.SetY(y/q + dStrip - 0.25*nDigits + dLorentz);
597 cluster.SetQ(0.5*q);
598 Ali1Dcluster& cluster2 = clusters1D[side][nClusters1D[side]++];
599 cluster2.SetY(y/q + dStrip + 0.25*nDigits + dLorentz);
600 cluster2.SetQ(0.5*q);
601 cluster2.SetNd(nDigits);
602 cluster2.SetLabels(lab);
603 } // unfolding is on
604 }
605 }
606 y = q = 0.;
607 nDigits = 0;
608 snFlag = 0;
609
610 } //* End store the previous cluster
611
612 if( stripOK ){ // add new signal to the cluster
613// signal = (Int_t) (signal * gain); // signal is corrected for gain
614 if( signal>fgkThreshold*noise) snFlag = 1;
615 signal = signal * gain; // signal is corrected for gain
616// if( cal ) signal = (Int_t) cal->ADCToKeV( signal ); // signal is converted in KeV
617 if( cal ) signal = cal->ADCToKeV( signal ); // signal is converted in KeV
618 q += signal; // add digit to current cluster
619 y += strip * signal;
620 nDigits++;
621 //nstat[side]++;
622 ostrip = strip;
623 if (fRawID2ClusID) fRawIDRef[side].AddReference(nClusters1D[side],rwID);
624
625 }
626 } //* end loop over strips
627
628 } //* end loop over ADC sides
629
630
631 //* 2D clusterfinder
632 if( nClusters1D[0] && nClusters1D[1] && fModule>=0 ){
633 TClonesArray* clusters = rpc->UncheckedGetClusters(fModule);
634 FindClustersSSD( clusters1D[0], nClusters1D[0], clusters1D[1], nClusters1D[1], clusters);
635 Int_t nClustersn = clusters->GetEntriesFast();
636 nClustersSSD += nClustersn;
637 }
638
639 //cout<<"SG: "<<ddl<<" "<<ad<<" "<<adc<<": strips "<<nstat[0]<<"+"<<nstat[1]<<", clusters 1D= "<<nClusters1D[0]<<" + "<<nClusters1D[1]<<", 2D= "<<clusters.size()<<endl;
640
641 }//* end loop over adc
642
643 }//* end of reconstruction of previous block of 12 modules
644
645 if( newModule ){
646
647 //*
648 //* Clean up arrays and set new module
649 //*
650
651 for( int i=0; i<kNADC; i++ ){
652 nStrips[i][0] = 0;
653 nStrips[i][1] = 0;
654 }
655 ddl = newDDL;
656 ad = newAD;
657 }
658
659
660 //*
661 //* Exit main loop when there is no more input
662 //*
663
664 if( !next ) break;
665
666 //*
667 //* Fill the current strip information
668 //*
669
670 Int_t adc = input->GetADC();
671 if( adc<0 || adc>=kNADC+2 || (adc>5&&adc<8) ){
672 AliWarning(Form("HLT ClustersFinderSSD: Corrupted data: wrong adc number (%d)", adc));
673 continue;
674 }
675
676 if( adc>7 ) adc-= 2; // shift ADC numbers 8-13 to 6-11
677
678 Bool_t side = input->GetSideFlag();
679 Int_t strip = input->GetStrip();
680 Int_t signal = input->GetSignal();
681
682
683 //cout<<"SSD: "<<ddl<<" "<<ad<<" "<<adc<<" "<<side<<" "<<strip<<" : "<<signal<<endl;
684
685 if( strip>767 ){
686 AliWarning(Form("HLT ClustersFinderSSD: Corrupted data: wrong strip number (ddl %d ad %d adc %d side %d, strip %d",
687 ddl, ad, adc, side,strip) );
688 continue;
689 }
690 if (strip < 0) continue;
691
692 int &n = nStrips[adc][side];
693 if( n >0 ){
694 Int_t oldStrip = strips[adc][side][n-1][0];
695
696 if( strip==oldStrip ){
697 AliWarning(Form("HLT ClustersFinderSSD: Corrupted data: duplicated signal: ddl %d ad %d adc %d, side %d, strip %d",
698 ddl, ad, adc, side, strip ));
699 continue;
700 }
701 }
702 strips[adc][side][n][0] = strip;
703 strips[adc][side][n][1] = signal;
704 strips[adc][side][n][2] = countRW;
705 n++;
706
707 //cout<<"SSD: "<<input->GetDDL()<<" "<<input->GetAD()<<" "
708 //<<input->GetADC()<<" "<<input->GetSideFlag()<<" "<<((int)input->GetStrip())<<" "<<strip<<" : "<<input->GetSignal()<<endl;
709 //
710 countRW++; //RS
711 } //* End main loop over the input
712
713 AliDebug(1,Form("found clusters in ITS SSD: %d", nClustersSSD));
714}
715
716
717void AliITSClusterFinderV2SSD::
718FindClustersSSD(const Ali1Dcluster* neg, Int_t nn,
719 const Ali1Dcluster* pos, Int_t np,
720 TClonesArray *clusters) {
721 //------------------------------------------------------------
722 // Actual SSD cluster finder
723 //------------------------------------------------------------
724
725 const TGeoHMatrix *mT2L=AliITSgeomTGeo::GetTracking2LocalMatrix(fModule);
726
727 //---------------------------------------
728 // load recoparam
729 //
730 static AliITSRecoParam *repa = NULL;
731 if(!repa){
732 repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
733 if(!repa){
734 repa = AliITSRecoParam::GetHighFluxParam();
735 AliWarning("Using default AliITSRecoParam class");
736 }
737 }
738
739// TClonesArray &cl=*clusters;
740
741 AliITSsegmentationSSD *seg = static_cast<AliITSsegmentationSSD*>(fDetTypeRec->GetSegmentationModel(2));
742 if (fModule>fLastSSD1)
743 seg->SetLayer(6);
744 else
745 seg->SetLayer(5);
746
747 Float_t hwSSD = seg->Dx()*1e-4/2;
748 Float_t hlSSD = seg->Dz()*1e-4/2;
749
750 Int_t idet=fNdet[fModule];
751 Int_t ncl=0;
752
753 //
754 Int_t *cnegative = new Int_t[np];
755 Int_t *cused1 = new Int_t[np];
756 Int_t *negativepair = new Int_t[10*np];
757 Int_t *cpositive = new Int_t[nn];
758 Int_t *cused2 = new Int_t[nn];
759 Int_t *positivepair = new Int_t[10*nn];
760 for (Int_t i=0;i<np;i++) {cnegative[i]=0; cused1[i]=0;}
761 for (Int_t i=0;i<nn;i++) {cpositive[i]=0; cused2[i]=0;}
762 for (Int_t i=0;i<10*np;i++) {negativepair[i]=0;}
763 for (Int_t i=0;i<10*nn;i++) {positivepair[i]=0;}
764
765 if ((np*nn) > fgPairsSize) {
766
767 if (fgPairs) delete [] fgPairs;
768 fgPairsSize = 4*np*nn;
769 fgPairs = new Short_t[fgPairsSize];
770 }
771 memset(fgPairs,0,sizeof(Short_t)*np*nn);
772
773 //
774 // find available pairs
775 //
776 Int_t ncross = 0;
777 for (Int_t i=0; i<np; i++) {
778 Float_t yp=pos[i].GetY();
779 if ( (pos[i].GetQ()>0) && (pos[i].GetQ()<3) ) continue;
780 for (Int_t j=0; j<nn; j++) {
781 if ( (neg[j].GetQ()>0) && (neg[j].GetQ()<3) ) continue;
782 Float_t yn=neg[j].GetY();
783
784 Float_t xt, zt;
785 seg->GetPadCxz(yn, yp, xt, zt);
786 //cout<<yn<<" "<<yp<<" "<<xt<<" "<<zt<<endl;
787
788 if (TMath::Abs(xt)<hwSSD)
789 if (TMath::Abs(zt)<hlSSD) {
790 Int_t in = i*10+cnegative[i];
791 Int_t ip = j*10+cpositive[j];
792 if ((in < 10*np) && (ip < 10*nn)) {
793 negativepair[in] =j; //index
794 positivepair[ip] =i;
795 cnegative[i]++; //counters
796 cpositive[j]++;
797 ncross++;
798 fgPairs[i*nn+j]=100;
799 }
800 else
801 AliError(Form("Index out of range: ip=%d, in=%d",ip,in));
802 }
803 }
804 }
805
806 if (!ncross) {
807 delete [] cnegative;
808 delete [] cused1;
809 delete [] negativepair;
810 delete [] cpositive;
811 delete [] cused2;
812 delete [] positivepair;
813 return;
814 }
815//why not to allocate memorey here? if(!clusters) clusters = new TClonesArray("AliITSRecPoint", ncross);
816
817 /* //
818 // try to recover points out of but close to the module boundaries
819 //
820 for (Int_t i=0; i<np; i++) {
821 Float_t yp=pos[i].GetY();
822 if ( (pos[i].GetQ()>0) && (pos[i].GetQ()<3) ) continue;
823 for (Int_t j=0; j<nn; j++) {
824 if ( (neg[j].GetQ()>0) && (neg[j].GetQ()<3) ) continue;
825 // if both 1Dclusters have an other cross continue
826 if (cpositive[j]&&cnegative[i]) continue;
827 Float_t yn=neg[j].GetY();
828
829 Float_t xt, zt;
830 seg->GetPadCxz(yn, yp, xt, zt);
831
832 if (TMath::Abs(xt)<hwSSD+0.1)
833 if (TMath::Abs(zt)<hlSSD+0.15) {
834 // tag 1Dcluster (eventually will produce low quality recpoint)
835 if (cnegative[i]==0) pos[i].SetNd(100); // not available pair
836 if (cpositive[j]==0) neg[j].SetNd(100); // not available pair
837 Int_t in = i*10+cnegative[i];
838 Int_t ip = j*10+cpositive[j];
839 if ((in < 10*np) && (ip < 10*nn)) {
840 negativepair[in] =j; //index
841 positivepair[ip] =i;
842 cnegative[i]++; //counters
843 cpositive[j]++;
844 fgPairs[i*nn+j]=100;
845 }
846 else
847 AliError(Form("Index out of range: ip=%d, in=%d",ip,in));
848 }
849 }
850 }
851 */
852
853 //
854 Float_t lp[6];
855 Int_t milab[10];
856 Double_t ratio;
857
858
859 if(repa->GetUseChargeMatchingInClusterFinderSSD()==kTRUE) {
860
861
862 //
863 // sign gold tracks
864 //
865 for (Int_t ip=0;ip<np;ip++){
866 Float_t xbest=1000,zbest=1000,qbest=0;
867 //
868 // select gold clusters
869 if ( (cnegative[ip]==1) && cpositive[negativepair[10*ip]]==1){
870 Float_t yp=pos[ip].GetY();
871 Int_t j = negativepair[10*ip];
872
873 if( (pos[ip].GetQ()==0) && (neg[j].GetQ() ==0) ) {
874 // both bad, hence continue;
875 // mark both as used (to avoid recover at the end)
876 cused1[ip]++;
877 cused2[j]++;
878 continue;
879 }
880
881 ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
882 //cout<<"ratio="<<ratio<<endl;
883
884 // charge matching (note that if posQ or negQ is 0 -> ratio=1 and the following condition is met
885 if (TMath::Abs(ratio)>0.2) continue; // note: 0.2=3xsigma_ratio calculated in cosmics tests
886
887 //
888 Float_t yn=neg[j].GetY();
889
890 Float_t xt, zt;
891 seg->GetPadCxz(yn, yp, xt, zt);
892
893 xbest=xt; zbest=zt;
894
895
896 qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
897 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
898
899 {
900 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
901 mT2L->MasterToLocal(loc,trk);
902 lp[0]=trk[1];
903 lp[1]=trk[2];
904 }
905 lp[4]=qbest; //Q
906 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
907 for (Int_t ilab=0;ilab<3;ilab++){
908 milab[ilab] = pos[ip].GetLabel(ilab);
909 milab[ilab+3] = neg[j].GetLabel(ilab);
910 }
911 //
912 CheckLabels2(milab);
913 milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
914 Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
915
916 lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
917 lp[3]=0.012; // 0.110*0.110; //SigmaZ2
918 // out-of-diagonal element of covariance matrix
919 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
920 else if ( (info[0]>1) && (info[1]>1) ) {
921 lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
922 lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
923 lp[5]=-6.48e-05;
924 }
925 else {
926 lp[2]=4.80e-06; // 0.00219*0.00219
927 lp[3]=0.0093; // 0.0964*0.0964;
928 if (info[0]==1) {
929 lp[5]=-0.00014;
930 }
931 else {
932 lp[2]=2.79e-06; // 0.0017*0.0017;
933 lp[3]=0.00935; // 0.967*0.967;
934 lp[5]=-4.32e-05;
935 }
936 }
937
938 AliITSRecPoint * cl2;
939 cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
940
941 cl2->SetChargeRatio(ratio);
942 cl2->SetType(1);
943 fgPairs[ip*nn+j]=1;
944
945 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
946 cl2->SetType(2);
947 fgPairs[ip*nn+j]=2;
948 }
949
950 if(pos[ip].GetQ()==0) cl2->SetType(3);
951 if(neg[j].GetQ()==0) cl2->SetType(4);
952
953 cused1[ip]++;
954 cused2[j]++;
955
956 ncl++;
957 }
958 }
959
960 for (Int_t ip=0;ip<np;ip++){
961 Float_t xbest=1000,zbest=1000,qbest=0;
962 //
963 //
964 // select "silber" cluster
965 if ( cnegative[ip]==1 && cpositive[negativepair[10*ip]]==2){
966 Int_t in = negativepair[10*ip];
967 Int_t ip2 = positivepair[10*in];
968 if (ip2==ip) ip2 = positivepair[10*in+1];
969 Float_t pcharge = pos[ip].GetQ()+pos[ip2].GetQ();
970
971
972
973 ratio = (pcharge-neg[in].GetQ())/(pcharge+neg[in].GetQ());
974 if ( (TMath::Abs(ratio)<0.2) && (pcharge!=0) ) {
975 //if ( (TMath::Abs(pcharge-neg[in].GetQ())<30) && (pcharge!=0) ) { //
976
977 //
978 // add first pair
979 if ( (fgPairs[ip*nn+in]==100)&&(pos[ip].GetQ() ) ) { //
980
981 Float_t yp=pos[ip].GetY();
982 Float_t yn=neg[in].GetY();
983
984 Float_t xt, zt;
985 seg->GetPadCxz(yn, yp, xt, zt);
986
987 xbest=xt; zbest=zt;
988
989 qbest =pos[ip].GetQ();
990 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
991 mT2L->MasterToLocal(loc,trk);
992 lp[0]=trk[1];
993 lp[1]=trk[2];
994
995 lp[4]=qbest; //Q
996 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
997 for (Int_t ilab=0;ilab<3;ilab++){
998 milab[ilab] = pos[ip].GetLabel(ilab);
999 milab[ilab+3] = neg[in].GetLabel(ilab);
1000 }
1001 //
1002 CheckLabels2(milab);
1003 ratio = (pos[ip].GetQ()-neg[in].GetQ())/(pos[ip].GetQ()+neg[in].GetQ());
1004 milab[3]=(((ip<<10) + in)<<10) + idet; // pos|neg|det
1005 Int_t info[3] = {pos[ip].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
1006
1007 lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
1008 lp[3]=0.012; // 0.110*0.110; //SigmaZ2
1009 // out-of-diagonal element of covariance matrix
1010 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1011 else if ( (info[0]>1) && (info[1]>1) ) {
1012 lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
1013 lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
1014 lp[5]=-6.48e-05;
1015 }
1016 else {
1017 lp[2]=4.80e-06; // 0.00219*0.00219
1018 lp[3]=0.0093; // 0.0964*0.0964;
1019 if (info[0]==1) {
1020 lp[5]=-0.00014;
1021 }
1022 else {
1023 lp[2]=2.79e-06; // 0.0017*0.0017;
1024 lp[3]=0.00935; // 0.967*0.967;
1025 lp[5]=-4.32e-05;
1026 }
1027 }
1028
1029 AliITSRecPoint * cl2;
1030 cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
1031 cl2->SetChargeRatio(ratio);
1032 cl2->SetType(5);
1033 fgPairs[ip*nn+in] = 5;
1034 if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster
1035 cl2->SetType(6);
1036 fgPairs[ip*nn+in] = 6;
1037 }
1038 ncl++;
1039 }
1040
1041
1042 //
1043 // add second pair
1044
1045 // if (!(cused1[ip2] || cused2[in])){ //
1046 if ( (fgPairs[ip2*nn+in]==100) && (pos[ip2].GetQ()) ) {
1047
1048 Float_t yp=pos[ip2].GetY();
1049 Float_t yn=neg[in].GetY();
1050
1051 Float_t xt, zt;
1052 seg->GetPadCxz(yn, yp, xt, zt);
1053
1054 xbest=xt; zbest=zt;
1055
1056 qbest =pos[ip2].GetQ();
1057
1058 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
1059 mT2L->MasterToLocal(loc,trk);
1060 lp[0]=trk[1];
1061 lp[1]=trk[2];
1062
1063 lp[4]=qbest; //Q
1064 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1065 for (Int_t ilab=0;ilab<3;ilab++){
1066 milab[ilab] = pos[ip2].GetLabel(ilab);
1067 milab[ilab+3] = neg[in].GetLabel(ilab);
1068 }
1069 //
1070 CheckLabels2(milab);
1071 ratio = (pos[ip2].GetQ()-neg[in].GetQ())/(pos[ip2].GetQ()+neg[in].GetQ());
1072 milab[3]=(((ip2<<10) + in)<<10) + idet; // pos|neg|det
1073 Int_t info[3] = {pos[ip2].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
1074
1075 lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
1076 lp[3]=0.012; // 0.110*0.110; //SigmaZ2
1077 // out-of-diagonal element of covariance matrix
1078 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1079 else if ( (info[0]>1) && (info[1]>1) ) {
1080 lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
1081 lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
1082 lp[5]=-6.48e-05;
1083 }
1084 else {
1085 lp[2]=4.80e-06; // 0.00219*0.00219
1086 lp[3]=0.0093; // 0.0964*0.0964;
1087 if (info[0]==1) {
1088 lp[5]=-0.00014;
1089 }
1090 else {
1091 lp[2]=2.79e-06; // 0.0017*0.0017;
1092 lp[3]=0.00935; // 0.967*0.967;
1093 lp[5]=-4.32e-05;
1094 }
1095 }
1096
1097 AliITSRecPoint * cl2;
1098 cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
1099
1100 cl2->SetChargeRatio(ratio);
1101 cl2->SetType(5);
1102 fgPairs[ip2*nn+in] =5;
1103 if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster
1104 cl2->SetType(6);
1105 fgPairs[ip2*nn+in] =6;
1106 }
1107 ncl++;
1108 }
1109
1110 cused1[ip]++;
1111 cused1[ip2]++;
1112 cused2[in]++;
1113
1114 } // charge matching condition
1115
1116 } // 2 Pside cross 1 Nside
1117 } // loop over Pside clusters
1118
1119
1120
1121 //
1122 for (Int_t jn=0;jn<nn;jn++){
1123 if (cused2[jn]) continue;
1124 Float_t xbest=1000,zbest=1000,qbest=0;
1125 // select "silber" cluster
1126 if ( cpositive[jn]==1 && cnegative[positivepair[10*jn]]==2){
1127 Int_t ip = positivepair[10*jn];
1128 Int_t jn2 = negativepair[10*ip];
1129 if (jn2==jn) jn2 = negativepair[10*ip+1];
1130 Float_t pcharge = neg[jn].GetQ()+neg[jn2].GetQ();
1131 //
1132
1133
1134 ratio = (pcharge-pos[ip].GetQ())/(pcharge+pos[ip].GetQ());
1135 if ( (TMath::Abs(ratio)<0.2) && (pcharge!=0) ) {
1136
1137 /*
1138 if ( (TMath::Abs(pcharge-pos[ip].GetQ())<30) && // charge matching
1139 (pcharge!=0) ) { // reject combinations of bad strips
1140 */
1141
1142
1143 //
1144 // add first pair
1145 // if (!(cused1[ip]||cused2[jn])){
1146 if ( (fgPairs[ip*nn+jn]==100) && (neg[jn].GetQ()) ) { //
1147
1148 Float_t yn=neg[jn].GetY();
1149 Float_t yp=pos[ip].GetY();
1150
1151 Float_t xt, zt;
1152 seg->GetPadCxz(yn, yp, xt, zt);
1153
1154 xbest=xt; zbest=zt;
1155
1156 qbest =neg[jn].GetQ();
1157
1158 {
1159 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
1160 mT2L->MasterToLocal(loc,trk);
1161 lp[0]=trk[1];
1162 lp[1]=trk[2];
1163 }
1164
1165 lp[4]=qbest; //Q
1166 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1167 for (Int_t ilab=0;ilab<3;ilab++){
1168 milab[ilab] = pos[ip].GetLabel(ilab);
1169 milab[ilab+3] = neg[jn].GetLabel(ilab);
1170 }
1171 //
1172 CheckLabels2(milab);
1173 ratio = (pos[ip].GetQ()-neg[jn].GetQ())/(pos[ip].GetQ()+neg[jn].GetQ());
1174 milab[3]=(((ip<<10) + jn)<<10) + idet; // pos|neg|det
1175 Int_t info[3] = {pos[ip].GetNd(),neg[jn].GetNd(),fNlayer[fModule]};
1176
1177 lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
1178 lp[3]=0.012; // 0.110*0.110; //SigmaZ2
1179 // out-of-diagonal element of covariance matrix
1180 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1181 else if ( (info[0]>1) && (info[1]>1) ) {
1182 lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
1183 lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
1184 lp[5]=-6.48e-05;
1185 }
1186 else {
1187 lp[2]=4.80e-06; // 0.00219*0.00219
1188 lp[3]=0.0093; // 0.0964*0.0964;
1189 if (info[0]==1) {
1190 lp[5]=-0.00014;
1191 }
1192 else {
1193 lp[2]=2.79e-06; // 0.0017*0.0017;
1194 lp[3]=0.00935; // 0.967*0.967;
1195 lp[5]=-4.32e-05;
1196 }
1197 }
1198
1199 AliITSRecPoint * cl2;
1200 cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
1201
1202 cl2->SetChargeRatio(ratio);
1203 cl2->SetType(7);
1204 fgPairs[ip*nn+jn] =7;
1205 if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster
1206 cl2->SetType(8);
1207 fgPairs[ip*nn+jn]=8;
1208 }
1209 ncl++;
1210 }
1211 //
1212 // add second pair
1213 // if (!(cused1[ip]||cused2[jn2])){
1214 if ( (fgPairs[ip*nn+jn2]==100)&&(neg[jn2].GetQ() ) ) { //
1215
1216 Float_t yn=neg[jn2].GetY();
1217 Double_t yp=pos[ip].GetY();
1218
1219 Float_t xt, zt;
1220 seg->GetPadCxz(yn, yp, xt, zt);
1221
1222 xbest=xt; zbest=zt;
1223
1224 qbest =neg[jn2].GetQ();
1225
1226 {
1227 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
1228 mT2L->MasterToLocal(loc,trk);
1229 lp[0]=trk[1];
1230 lp[1]=trk[2];
1231 }
1232
1233 lp[4]=qbest; //Q
1234 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1235 for (Int_t ilab=0;ilab<3;ilab++){
1236 milab[ilab] = pos[ip].GetLabel(ilab);
1237 milab[ilab+3] = neg[jn2].GetLabel(ilab);
1238 }
1239 //
1240 CheckLabels2(milab);
1241 ratio = (pos[ip].GetQ()-neg[jn2].GetQ())/(pos[ip].GetQ()+neg[jn2].GetQ());
1242 milab[3]=(((ip<<10) + jn2)<<10) + idet; // pos|neg|det
1243 Int_t info[3] = {pos[ip].GetNd(),neg[jn2].GetNd(),fNlayer[fModule]};
1244
1245 lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
1246 lp[3]=0.012; // 0.110*0.110; //SigmaZ2
1247 // out-of-diagonal element of covariance matrix
1248 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1249 else if ( (info[0]>1) && (info[1]>1) ) {
1250 lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
1251 lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
1252 lp[5]=-6.48e-05;
1253 }
1254 else {
1255 lp[2]=4.80e-06; // 0.00219*0.00219
1256 lp[3]=0.0093; // 0.0964*0.0964;
1257 if (info[0]==1) {
1258 lp[5]=-0.00014;
1259 }
1260 else {
1261 lp[2]=2.79e-06; // 0.0017*0.0017;
1262 lp[3]=0.00935; // 0.967*0.967;
1263 lp[5]=-4.32e-05;
1264 }
1265 }
1266
1267 AliITSRecPoint * cl2;
1268 cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
1269
1270
1271 cl2->SetChargeRatio(ratio);
1272 fgPairs[ip*nn+jn2]=7;
1273 cl2->SetType(7);
1274 if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster
1275 cl2->SetType(8);
1276 fgPairs[ip*nn+jn2]=8;
1277 }
1278 ncl++;
1279 }
1280 cused1[ip]++;
1281 cused2[jn]++;
1282 cused2[jn2]++;
1283
1284 } // charge matching condition
1285
1286 } // 2 Nside cross 1 Pside
1287 } // loop over Pside clusters
1288
1289
1290
1291 for (Int_t ip=0;ip<np;ip++){
1292
1293 if(cused1[ip]) continue;
1294
1295
1296 Float_t xbest=1000,zbest=1000,qbest=0;
1297 //
1298 // 2x2 clusters
1299 //
1300 if ( (cnegative[ip]==2) && cpositive[negativepair[10*ip]]==2){
1301 Float_t minchargediff =4.;
1302 Float_t minchargeratio =0.2;
1303
1304 Int_t j=-1;
1305 for (Int_t di=0;di<cnegative[ip];di++){
1306 Int_t jc = negativepair[ip*10+di];
1307 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1308 ratio = (pos[ip].GetQ()-neg[jc].GetQ())/(pos[ip].GetQ()+neg[jc].GetQ());
1309 //if (TMath::Abs(chargedif)<minchargediff){
1310 if (TMath::Abs(ratio)<0.2){
1311 j =jc;
1312 minchargediff = TMath::Abs(chargedif);
1313 minchargeratio = TMath::Abs(ratio);
1314 }
1315 }
1316 if (j<0) continue; // not proper cluster
1317
1318
1319 Int_t count =0;
1320 for (Int_t di=0;di<cnegative[ip];di++){
1321 Int_t jc = negativepair[ip*10+di];
1322 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1323 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
1324 }
1325 if (count>1) continue; // more than one "proper" cluster for positive
1326 //
1327
1328 count =0;
1329 for (Int_t dj=0;dj<cpositive[j];dj++){
1330 Int_t ic = positivepair[j*10+dj];
1331 Float_t chargedif = pos[ic].GetQ()-neg[j].GetQ();
1332 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
1333 }
1334 if (count>1) continue; // more than one "proper" cluster for negative
1335
1336 Int_t jp = 0;
1337
1338 count =0;
1339 for (Int_t dj=0;dj<cnegative[jp];dj++){
1340 Int_t ic = positivepair[jp*10+dj];
1341 Float_t chargedif = pos[ic].GetQ()-neg[jp].GetQ();
1342 if (TMath::Abs(chargedif)<minchargediff+4.) count++;
1343 }
1344 if (count>1) continue;
1345 if (fgPairs[ip*nn+j]<100) continue;
1346 //
1347
1348
1349
1350 //almost gold clusters
1351 Float_t yp=pos[ip].GetY();
1352 Float_t yn=neg[j].GetY();
1353 Float_t xt, zt;
1354 seg->GetPadCxz(yn, yp, xt, zt);
1355 xbest=xt; zbest=zt;
1356 qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
1357 {
1358 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
1359 mT2L->MasterToLocal(loc,trk);
1360 lp[0]=trk[1];
1361 lp[1]=trk[2];
1362 }
1363 lp[4]=qbest; //Q
1364 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1365 for (Int_t ilab=0;ilab<3;ilab++){
1366 milab[ilab] = pos[ip].GetLabel(ilab);
1367 milab[ilab+3] = neg[j].GetLabel(ilab);
1368 }
1369 //
1370 CheckLabels2(milab);
1371 if ((neg[j].GetQ()==0)&&(pos[ip].GetQ()==0)) continue; // reject crosses of bad strips!!
1372 ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
1373 milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
1374 Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
1375
1376 lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
1377 lp[3]=0.012; // 0.110*0.110; //SigmaZ2
1378 // out-of-diagonal element of covariance matrix
1379 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1380 else if ( (info[0]>1) && (info[1]>1) ) {
1381 lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
1382 lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
1383 lp[5]=-6.48e-05;
1384 }
1385 else {
1386 lp[2]=4.80e-06; // 0.00219*0.00219
1387 lp[3]=0.0093; // 0.0964*0.0964;
1388 if (info[0]==1) {
1389 lp[5]=-0.00014;
1390 }
1391 else {
1392 lp[2]=2.79e-06; // 0.0017*0.0017;
1393 lp[3]=0.00935; // 0.967*0.967;
1394 lp[5]=-4.32e-05;
1395 }
1396 }
1397
1398 AliITSRecPoint * cl2;
1399 cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
1400
1401 cl2->SetChargeRatio(ratio);
1402 cl2->SetType(10);
1403 fgPairs[ip*nn+j]=10;
1404 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
1405 cl2->SetType(11);
1406 fgPairs[ip*nn+j]=11;
1407 }
1408 cused1[ip]++;
1409 cused2[j]++;
1410 ncl++;
1411
1412 } // 2X2
1413 } // loop over Pside 1Dclusters
1414
1415
1416
1417 for (Int_t ip=0;ip<np;ip++){
1418
1419 if(cused1[ip]) continue;
1420
1421
1422 Float_t xbest=1000,zbest=1000,qbest=0;
1423 //
1424 // manyxmany clusters
1425 //
1426 if ( (cnegative[ip]<5) && cpositive[negativepair[10*ip]]<5){
1427 Float_t minchargediff =4.;
1428 Int_t j=-1;
1429 for (Int_t di=0;di<cnegative[ip];di++){
1430 Int_t jc = negativepair[ip*10+di];
1431 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1432 if (TMath::Abs(chargedif)<minchargediff){
1433 j =jc;
1434 minchargediff = TMath::Abs(chargedif);
1435 }
1436 }
1437 if (j<0) continue; // not proper cluster
1438
1439 Int_t count =0;
1440 for (Int_t di=0;di<cnegative[ip];di++){
1441 Int_t jc = negativepair[ip*10+di];
1442 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1443 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
1444 }
1445 if (count>1) continue; // more than one "proper" cluster for positive
1446 //
1447
1448 count =0;
1449 for (Int_t dj=0;dj<cpositive[j];dj++){
1450 Int_t ic = positivepair[j*10+dj];
1451 Float_t chargedif = pos[ic].GetQ()-neg[j].GetQ();
1452 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
1453 }
1454 if (count>1) continue; // more than one "proper" cluster for negative
1455
1456 Int_t jp = 0;
1457
1458 count =0;
1459 for (Int_t dj=0;dj<cnegative[jp];dj++){
1460 Int_t ic = positivepair[jp*10+dj];
1461 Float_t chargedif = pos[ic].GetQ()-neg[jp].GetQ();
1462 if (TMath::Abs(chargedif)<minchargediff+4.) count++;
1463 }
1464 if (count>1) continue;
1465 if (fgPairs[ip*nn+j]<100) continue;
1466 //
1467
1468 //almost gold clusters
1469 Float_t yp=pos[ip].GetY();
1470 Float_t yn=neg[j].GetY();
1471
1472
1473 Float_t xt, zt;
1474 seg->GetPadCxz(yn, yp, xt, zt);
1475
1476 xbest=xt; zbest=zt;
1477
1478 qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
1479
1480 {
1481 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
1482 mT2L->MasterToLocal(loc,trk);
1483 lp[0]=trk[1];
1484 lp[1]=trk[2];
1485 }
1486 lp[4]=qbest; //Q
1487 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1488 for (Int_t ilab=0;ilab<3;ilab++){
1489 milab[ilab] = pos[ip].GetLabel(ilab);
1490 milab[ilab+3] = neg[j].GetLabel(ilab);
1491 }
1492 //
1493 CheckLabels2(milab);
1494 if ((neg[j].GetQ()==0)&&(pos[ip].GetQ()==0)) continue; // reject crosses of bad strips!!
1495 ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
1496 milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
1497 Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
1498
1499 lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
1500 lp[3]=0.012; // 0.110*0.110; //SigmaZ2
1501 // out-of-diagonal element of covariance matrix
1502 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1503 else if ( (info[0]>1) && (info[1]>1) ) {
1504 lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
1505 lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
1506 lp[5]=-6.48e-05;
1507 }
1508 else {
1509 lp[2]=4.80e-06; // 0.00219*0.00219
1510 lp[3]=0.0093; // 0.0964*0.0964;
1511 if (info[0]==1) {
1512 lp[5]=-0.00014;
1513 }
1514 else {
1515 lp[2]=2.79e-06; // 0.0017*0.0017;
1516 lp[3]=0.00935; // 0.967*0.967;
1517 lp[5]=-4.32e-05;
1518 }
1519 }
1520 //
1521 if (fRawID2ClusID) { // set rawID <-> clusterID correspondence for embedding
1522 const int kMaxRefRW = 200;
1523 UInt_t nrefsRW,refsRW[kMaxRefRW];
1524 nrefsRW = fRawIDRef[0].GetReferences(j,refsRW,kMaxRefRW); // n-side
1525 for (int ir=nrefsRW;ir--;) {
1526 int rwid = (int)refsRW[ir];
1527 if (fRawID2ClusID->GetSize()<=rwid) fRawID2ClusID->Set( (rwid+10)<<1 );
1528 (*fRawID2ClusID)[rwid] = fNClusters+1; // RS: store clID+1 as a reference to the cluster
1529 }
1530 //
1531 nrefsRW = fRawIDRef[1].GetReferences(ip,refsRW,kMaxRefRW); // p-side
1532 for (int ir=nrefsRW;ir--;) {
1533 int rwid = (int)refsRW[ir];
1534 if (fRawID2ClusID->GetSize()<=rwid) fRawID2ClusID->Set( (rwid+10)<<1 );
1535 (*fRawID2ClusID)[rwid] = fNClusters+1; // RS: store clID+1 as a reference to the cluster
1536 }
1537 //
1538 milab[0] = fNClusters+1; // RS: assign id as cluster label
1539 }
1540
1541 AliITSRecPoint * cl2;
1542 cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
1543
1544 cl2->SetChargeRatio(ratio);
1545 cl2->SetType(12);
1546 fgPairs[ip*nn+j]=12;
1547 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
1548 cl2->SetType(13);
1549 fgPairs[ip*nn+j]=13;
1550 }
1551 cused1[ip]++;
1552 cused2[j]++;
1553 ncl++;
1554 fNClusters++;
1555
1556 } // manyXmany
1557 } // loop over Pside 1Dclusters
1558
1559 } // use charge matching
1560
1561
1562 // recover all the other crosses
1563 //
1564 for (Int_t i=0; i<np; i++) {
1565 Float_t xbest=1000,zbest=1000,qbest=0;
1566 Float_t yp=pos[i].GetY();
1567 if ((pos[i].GetQ()>0)&&(pos[i].GetQ()<3)) continue;
1568 for (Int_t j=0; j<nn; j++) {
1569 // for (Int_t di = 0;di<cpositive[i];di++){
1570 // Int_t j = negativepair[10*i+di];
1571 if ((neg[j].GetQ()>0)&&(neg[j].GetQ()<3)) continue;
1572
1573 if ((neg[j].GetQ()==0)&&(pos[i].GetQ()==0)) continue; // reject crosses of bad strips!!
1574
1575 if (cused2[j]||cused1[i]) continue;
1576 if (fgPairs[i*nn+j]>0 &&fgPairs[i*nn+j]<100) continue;
1577 ratio = (pos[i].GetQ()-neg[j].GetQ())/(pos[i].GetQ()+neg[j].GetQ());
1578 Float_t yn=neg[j].GetY();
1579
1580 Float_t xt, zt;
1581 seg->GetPadCxz(yn, yp, xt, zt);
1582
1583 if (TMath::Abs(xt)<hwSSD)
1584 if (TMath::Abs(zt)<hlSSD) {
1585 xbest=xt; zbest=zt;
1586
1587 qbest=0.5*(pos[i].GetQ()+neg[j].GetQ());
1588
1589 {
1590 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
1591 mT2L->MasterToLocal(loc,trk);
1592 lp[0]=trk[1];
1593 lp[1]=trk[2];
1594 }
1595 lp[4]=qbest; //Q
1596 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1597 for (Int_t ilab=0;ilab<3;ilab++){
1598 milab[ilab] = pos[i].GetLabel(ilab);
1599 milab[ilab+3] = neg[j].GetLabel(ilab);
1600 }
1601 //
1602 CheckLabels2(milab);
1603 milab[3]=(((i<<10) + j)<<10) + idet; // pos|neg|det
1604 Int_t info[3] = {pos[i].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
1605
1606 lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
1607 lp[3]=0.012; // 0.110*0.110; //SigmaZ2
1608 // out-of-diagonal element of covariance matrix
1609 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1610 else if ( (info[0]>1) && (info[1]>1) ) {
1611 lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
1612 lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
1613 lp[5]=-6.48e-05;
1614 }
1615 else {
1616 lp[2]=4.80e-06; // 0.00219*0.00219
1617 lp[3]=0.0093; // 0.0964*0.0964;
1618 if (info[0]==1) {
1619 lp[5]=-0.00014;
1620 }
1621 else {
1622 lp[2]=2.79e-06; // 0.0017*0.0017;
1623 lp[3]=0.00935; // 0.967*0.967;
1624 lp[5]=-4.32e-05;
1625 }
1626 }
1627
1628 AliITSRecPoint * cl2;
1629 cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
1630
1631 cl2->SetChargeRatio(ratio);
1632 cl2->SetType(100+cpositive[j]+cnegative[i]);
1633
1634 if(pos[i].GetQ()==0) cl2->SetType(200+cpositive[j]+cnegative[i]);
1635 if(neg[j].GetQ()==0) cl2->SetType(300+cpositive[j]+cnegative[i]);
1636 ncl++;
1637 }
1638 }
1639 }
1640
1641
1642
1643 if(repa->GetUseBadChannelsInClusterFinderSSD()==kTRUE) {
1644
1645 //---------------------------------------------------------
1646 // recover crosses of good 1D clusters with bad strips on the other side
1647 // Note1: at first iteration skip modules with a bad side (or almost), (would produce too many fake!)
1648 // Note2: for modules with a bad side see below
1649
1650 AliITSCalibrationSSD* cal = (AliITSCalibrationSSD*)GetResp(fModule);
1651 Int_t countPbad=0, countNbad=0;
1652 for(Int_t ib=0; ib<768; ib++) {
1653 if(cal->IsPChannelBad(ib)) countPbad++;
1654 if(cal->IsNChannelBad(ib)) countNbad++;
1655 }
1656 // AliInfo(Form("module %d has %d P- and %d N-bad strips",fModule,countPbad,countNbad));
1657
1658 if( (countPbad<100) && (countNbad<100) ) { // no bad side!!
1659
1660 for (Int_t i=0; i<np; i++) { // loop over Nside 1Dclusters with no crosses
1661 if(cnegative[i]) continue; // if intersecting Pside clusters continue;
1662
1663 // for(Int_t ib=0; ib<768; ib++) { // loop over all Pstrips
1664 for(Int_t ib=15; ib<753; ib++) { // loop over all Pstrips
1665
1666 if(cal->IsPChannelBad(ib)) { // check if strips is bad
1667 Float_t yN=pos[i].GetY();
1668 Float_t xt, zt;
1669 seg->GetPadCxz(1.*ib, yN, xt, zt);
1670
1671 //----------
1672 // bad Pstrip is crossing the Nside 1Dcluster -> create recpoint
1673 //
1674 if ( (TMath::Abs(xt)<hwSSD) && (TMath::Abs(zt)<hlSSD) ) {
1675 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1676 mT2L->MasterToLocal(loc,trk);
1677 lp[0]=trk[1];
1678 lp[1]=trk[2];
1679 lp[4]=pos[i].GetQ(); //Q
1680 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1681 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = pos[i].GetLabel(ilab);
1682 CheckLabels2(milab);
1683 milab[3]=( (i<<10) << 10 ) + idet; // pos|neg|det
1684 Int_t info[3] = {pos[i].GetNd(),0,fNlayer[fModule]};
1685
1686 lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
1687 lp[3]=0.012; // 0.110*0.110; //SigmaZ2
1688 lp[5]=-0.00012; // out-of-diagonal element of covariance matrix
1689 if (info[0]>1) {
1690 lp[2]=4.80e-06;
1691 lp[3]=0.0093;
1692 lp[5]=0.00014;
1693 }
1694
1695 AliITSRecPoint * cl2;
1696 cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
1697 cl2->SetChargeRatio(1.);
1698 cl2->SetType(50);
1699 ncl++;
1700 } // cross is within the detector
1701 //
1702 //--------------
1703
1704 } // bad Pstrip
1705
1706 } // end loop over Pstrips
1707
1708 } // end loop over Nside 1D clusters
1709
1710 for (Int_t j=0; j<nn; j++) { // loop over Pside 1D clusters with no crosses
1711 if(cpositive[j]) continue;
1712
1713 // for(Int_t ib=0; ib<768; ib++) { // loop over all Nside strips
1714 for(Int_t ib=15; ib<753; ib++) { // loop over all Nside strips
1715
1716 if(cal->IsNChannelBad(ib)) { // check if strip is bad
1717 Float_t yP=neg[j].GetY();
1718 Float_t xt, zt;
1719 seg->GetPadCxz(yP, 1.*ib, xt, zt);
1720
1721 //----------
1722 // bad Nstrip is crossing the Pside 1Dcluster -> create recpoint
1723 //
1724 if ( (TMath::Abs(xt)<hwSSD) && (TMath::Abs(zt)<hlSSD) ) {
1725 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1726 mT2L->MasterToLocal(loc,trk);
1727 lp[0]=trk[1];
1728 lp[1]=trk[2];
1729 lp[4]=neg[j].GetQ(); //Q
1730 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1731 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = neg[j].GetLabel(ilab);
1732 CheckLabels2(milab);
1733 milab[3]=( j << 10 ) + idet; // pos|neg|det
1734 Int_t info[3]={0,(Int_t)neg[j].GetNd(),fNlayer[fModule]};
1735
1736 lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
1737 lp[3]=0.012; // 0.110*0.110; //SigmaZ2
1738 lp[5]=-0.00012; // out-of-diagonal element of covariance matrix
1739 if (info[0]>1) {
1740 lp[2]=2.79e-06;
1741 lp[3]=0.00935;
1742 lp[5]=-4.32e-05;
1743 }
1744
1745 AliITSRecPoint * cl2;
1746 cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
1747 cl2->SetChargeRatio(1.);
1748 cl2->SetType(60);
1749 ncl++;
1750 } // cross is within the detector
1751 //
1752 //--------------
1753
1754 } // bad Nstrip
1755 } // end loop over Nstrips
1756 } // end loop over Pside 1D clusters
1757
1758 } // no bad sides
1759
1760 //---------------------------------------------------------
1761
1762 else if( (countPbad>700) && (countNbad<100) ) { // bad Pside!!
1763
1764 for (Int_t i=0; i<np; i++) { // loop over Nside 1Dclusters with no crosses
1765 if(cnegative[i]) continue; // if intersecting Pside clusters continue;
1766
1767 Float_t xt, zt;
1768 Float_t yN=pos[i].GetY();
1769 Float_t yP=0.;
1770 if (seg->GetLayer()==5) yP = yN + (7.6/1.9);
1771 else yP = yN - (7.6/1.9);
1772 seg->GetPadCxz(yP, yN, xt, zt);
1773
1774 if ( (TMath::Abs(xt)<hwSSD) && (TMath::Abs(zt)<hlSSD) ) {
1775 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1776 mT2L->MasterToLocal(loc,trk);
1777 lp[0]=trk[1];
1778 lp[1]=trk[2];
1779 lp[4]=pos[i].GetQ(); //Q
1780 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1781 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = pos[i].GetLabel(ilab);
1782 CheckLabels2(milab);
1783 milab[3]=( (i<<10) << 10 ) + idet; // pos|neg|det
1784 Int_t info[3] = {(Int_t)pos[i].GetNd(),0,fNlayer[fModule]};
1785
1786 lp[2]=0.00098; // 0.031*0.031; //SigmaY2
1787 lp[3]=1.329; // 1.15*1.15; //SigmaZ2
1788 lp[5]=-0.0359;
1789 if(info[0]>1) lp[2]=0.00097;
1790
1791 AliITSRecPoint * cl2;
1792 cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
1793 cl2->SetChargeRatio(1.);
1794 cl2->SetType(70);
1795 ncl++;
1796 } // cross is within the detector
1797 //
1798 //--------------
1799
1800 } // end loop over Nside 1D clusters
1801
1802 } // bad Pside module
1803
1804 else if( (countNbad>700) && (countPbad<100) ) { // bad Nside!!
1805
1806 for (Int_t j=0; j<nn; j++) { // loop over Pside 1D clusters with no crosses
1807 if(cpositive[j]) continue;
1808
1809 Float_t xt, zt;
1810 Float_t yP=neg[j].GetY();
1811 Float_t yN=0.;
1812 if (seg->GetLayer()==5) yN = yP - (7.6/1.9);
1813 else yN = yP + (7.6/1.9);
1814 seg->GetPadCxz(yP, yN, xt, zt);
1815
1816 if ( (TMath::Abs(xt)<hwSSD) && (TMath::Abs(zt)<hlSSD) ) {
1817 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1818 mT2L->MasterToLocal(loc,trk);
1819 lp[0]=trk[1];
1820 lp[1]=trk[2];
1821 lp[4]=neg[j].GetQ(); //Q
1822 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1823 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = neg[j].GetLabel(ilab);
1824 CheckLabels2(milab);
1825 milab[3]=( j << 10 ) + idet; // pos|neg|det
1826 Int_t info[3] = {0,(Int_t)neg[j].GetNd(),fNlayer[fModule]};
1827
1828 lp[2]=7.27e-05; // 0.0085*0.0085; //SigmaY2
1829 lp[3]=1.33; // 1.15*1.15; //SigmaZ2
1830 lp[5]=0.00931;
1831 if(info[1]>1) lp[2]=6.91e-05;
1832
1833 AliITSRecPoint * cl2;
1834 cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
1835 cl2->SetChargeRatio(1.);
1836 cl2->SetType(80);
1837 ncl++;
1838 } // cross is within the detector
1839 //
1840 //--------------
1841
1842 } // end loop over Pside 1D clusters
1843
1844 } // bad Nside module
1845
1846 //---------------------------------------------------------
1847
1848 } // use bad channels
1849
1850 //cout<<ncl<<" clusters for this module"<<endl;
1851
1852 delete [] cnegative;
1853 delete [] cused1;
1854 delete [] negativepair;
1855 delete [] cpositive;
1856 delete [] cused2;
1857 delete [] positivepair;
1858
1859}