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fix requested by Laurent Aphecetche to clean up the memory properly during simulation...
[u/mrichter/AliRoot.git] / ITS / AliITSClusterFinderV2SSD.cxx
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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
5846520e 807 if (TMath::Abs(xt)<hwSSD)
808 if (TMath::Abs(zt)<hlSSD) {
710f576f 809 Int_t in = i*10+cnegative[i];
810 Int_t ip = j*10+cpositive[j];
811 if ((in < 10*np) && (ip < 10*nn)) {
812 negativepair[in] =j; //index
813 positivepair[ip] =i;
814 cnegative[i]++; //counters
815 cpositive[j]++;
816 fgPairs[i*nn+j]=100;
817 }
818 else
819 AliError(Form("Index out of range: ip=%d, in=%d",ip,in));
04366a57 820 }
821 }
822 }
308b5ea4 823
5846520e 824 /* //
308b5ea4 825 // try to recover points out of but close to the module boundaries
04366a57 826 //
827 for (Int_t i=0; i<np; i++) {
d036ccd3 828 Float_t yp=pos[i].GetY();
a64f9843 829 if ( (pos[i].GetQ()>0) && (pos[i].GetQ()<3) ) continue;
04366a57 830 for (Int_t j=0; j<nn; j++) {
a64f9843 831 if ( (neg[j].GetQ()>0) && (neg[j].GetQ()<3) ) continue;
308b5ea4 832 // if both 1Dclusters have an other cross continue
04366a57 833 if (cpositive[j]&&cnegative[i]) continue;
8be4e1b1 834 Float_t yn=neg[j].GetY();
d036ccd3 835
8be4e1b1 836 Float_t xt, zt;
837 seg->GetPadCxz(yn, yp, xt, zt);
d036ccd3 838
8be4e1b1 839 if (TMath::Abs(xt)<hwSSD+0.1)
840 if (TMath::Abs(zt)<hlSSD+0.15) {
308b5ea4 841 // tag 1Dcluster (eventually will produce low quality recpoint)
04366a57 842 if (cnegative[i]==0) pos[i].SetNd(100); // not available pair
843 if (cpositive[j]==0) neg[j].SetNd(100); // not available pair
710f576f 844 Int_t in = i*10+cnegative[i];
845 Int_t ip = j*10+cpositive[j];
846 if ((in < 10*np) && (ip < 10*nn)) {
847 negativepair[in] =j; //index
848 positivepair[ip] =i;
849 cnegative[i]++; //counters
850 cpositive[j]++;
851 fgPairs[i*nn+j]=100;
852 }
853 else
854 AliError(Form("Index out of range: ip=%d, in=%d",ip,in));
04366a57 855 }
856 }
857 }
5846520e 858 */
308b5ea4 859
04366a57 860 //
d695268b 861 Float_t lp[6];
04366a57 862 Int_t milab[10];
863 Double_t ratio;
864
b42cfa25 865
a86176e3 866 if(repa->GetUseChargeMatchingInClusterFinderSSD()==kTRUE) {
308b5ea4 867
868
a86176e3 869 //
870 // sign gold tracks
871 //
872 for (Int_t ip=0;ip<np;ip++){
8be4e1b1 873 Float_t xbest=1000,zbest=1000,qbest=0;
a86176e3 874 //
875 // select gold clusters
876 if ( (cnegative[ip]==1) && cpositive[negativepair[10*ip]]==1){
d036ccd3 877 Float_t yp=pos[ip].GetY();
a86176e3 878 Int_t j = negativepair[10*ip];
a64f9843 879
880 if( (pos[ip].GetQ()==0) && (neg[j].GetQ() ==0) ) {
881 // both bad, hence continue;
882 // mark both as used (to avoid recover at the end)
883 cused1[ip]++;
884 cused2[j]++;
885 continue;
886 }
887
a86176e3 888 ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
d695268b 889 //cout<<"ratio="<<ratio<<endl;
a64f9843 890
891 // charge matching (note that if posQ or negQ is 0 -> ratio=1 and the following condition is met
2069484c 892 if (TMath::Abs(ratio)>0.2) continue; // note: 0.2=3xsigma_ratio calculated in cosmics tests
a64f9843 893
a86176e3 894 //
8be4e1b1 895 Float_t yn=neg[j].GetY();
896
897 Float_t xt, zt;
898 seg->GetPadCxz(yn, yp, xt, zt);
899
900 xbest=xt; zbest=zt;
2069484c 901
2069484c 902
a86176e3 903 qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
d695268b 904 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 905
a86176e3 906 {
8be4e1b1 907 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
a86176e3 908 mT2L->MasterToLocal(loc,trk);
909 lp[0]=trk[1];
910 lp[1]=trk[2];
00a7cc50 911 }
a86176e3 912 lp[4]=qbest; //Q
913 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
914 for (Int_t ilab=0;ilab<3;ilab++){
915 milab[ilab] = pos[ip].GetLabel(ilab);
916 milab[ilab+3] = neg[j].GetLabel(ilab);
00a7cc50 917 }
04366a57 918 //
a86176e3 919 CheckLabels2(milab);
920 milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
921 Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
d695268b 922
923 lp[2]=0.0022*0.0022; //SigmaY2
924 lp[3]=0.110*0.110; //SigmaZ2
925 // out-of-diagonal element of covariance matrix
926 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
927 else if ( (info[0]>1) && (info[1]>1) ) {
928 lp[2]=0.0016*0.0016; //SigmaY2
929 lp[3]=0.08*0.08; //SigmaZ2
930 lp[5]=-0.00006;
931 }
932 else {
7101948c 933 lp[3]=0.093*0.093;
d695268b 934 if (info[0]==1) { lp[5]=-0.00014;}
935 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
936 }
937
a86176e3 938 AliITSRecPoint * cl2;
939
940 if(clusters){ // Note clusters != 0 when method is called for rawdata
04366a57 941
a86176e3 942
943 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
944
a86176e3 945 cl2->SetChargeRatio(ratio);
946 cl2->SetType(1);
947 fgPairs[ip*nn+j]=1;
a64f9843 948
a86176e3 949 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
950 cl2->SetType(2);
951 fgPairs[ip*nn+j]=2;
04366a57 952 }
a64f9843 953
954 if(pos[ip].GetQ()==0) cl2->SetType(3);
7b208ef4 955 if(neg[j].GetQ()==0) cl2->SetType(4);
a64f9843 956
a86176e3 957 cused1[ip]++;
958 cused2[j]++;
959
960 }
961 else{ // Note clusters == 0 when method is called for digits
962
963 cl2 = new AliITSRecPoint(milab,lp,info);
964
a86176e3 965 cl2->SetChargeRatio(ratio);
966 cl2->SetType(1);
967 fgPairs[ip*nn+j]=1;
a64f9843 968
a86176e3 969 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
970 cl2->SetType(2);
971 fgPairs[ip*nn+j]=2;
00a7cc50 972 }
a64f9843 973
974 if(pos[ip].GetQ()==0) cl2->SetType(3);
7b208ef4 975 if(neg[j].GetQ()==0) cl2->SetType(4);
a64f9843 976
a86176e3 977 cused1[ip]++;
978 cused2[j]++;
a64f9843 979
a86176e3 980 fDetTypeRec->AddRecPoint(*cl2);
981 }
982 ncl++;
983 }
984 }
985
986 for (Int_t ip=0;ip<np;ip++){
8be4e1b1 987 Float_t xbest=1000,zbest=1000,qbest=0;
a86176e3 988 //
989 //
990 // select "silber" cluster
991 if ( cnegative[ip]==1 && cpositive[negativepair[10*ip]]==2){
992 Int_t in = negativepair[10*ip];
993 Int_t ip2 = positivepair[10*in];
994 if (ip2==ip) ip2 = positivepair[10*in+1];
995 Float_t pcharge = pos[ip].GetQ()+pos[ip2].GetQ();
a64f9843 996
d695268b 997
998
999 ratio = (pcharge-neg[in].GetQ())/(pcharge+neg[in].GetQ());
1000 if ( (TMath::Abs(ratio)<0.2) && (pcharge!=0) ) {
1001 //if ( (TMath::Abs(pcharge-neg[in].GetQ())<30) && (pcharge!=0) ) { //
a64f9843 1002
a86176e3 1003 //
1004 // add first pair
a64f9843 1005 if ( (fgPairs[ip*nn+in]==100)&&(pos[ip].GetQ() ) ) { //
1006
d036ccd3 1007 Float_t yp=pos[ip].GetY();
8be4e1b1 1008 Float_t yn=neg[in].GetY();
1009
1010 Float_t xt, zt;
1011 seg->GetPadCxz(yn, yp, xt, zt);
1012
1013 xbest=xt; zbest=zt;
2069484c 1014
a86176e3 1015 qbest =pos[ip].GetQ();
8be4e1b1 1016 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
a64f9843 1017 mT2L->MasterToLocal(loc,trk);
1018 lp[0]=trk[1];
1019 lp[1]=trk[2];
1020
a86176e3 1021 lp[4]=qbest; //Q
1022 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1023 for (Int_t ilab=0;ilab<3;ilab++){
1024 milab[ilab] = pos[ip].GetLabel(ilab);
1025 milab[ilab+3] = neg[in].GetLabel(ilab);
1026 }
1027 //
1028 CheckLabels2(milab);
1029 ratio = (pos[ip].GetQ()-neg[in].GetQ())/(pos[ip].GetQ()+neg[in].GetQ());
1030 milab[3]=(((ip<<10) + in)<<10) + idet; // pos|neg|det
1031 Int_t info[3] = {pos[ip].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
1032
d695268b 1033 lp[2]=0.0022*0.0022; //SigmaY2
1034 lp[3]=0.110*0.110; //SigmaZ2
1035 // out-of-diagonal element of covariance matrix
1036 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1037 else if ( (info[0]>1) && (info[1]>1) ) {
1038 lp[2]=0.0016*0.0016; //SigmaY2
1039 lp[3]=0.08*0.08; //SigmaZ2
1040 lp[5]=-0.00006;
1041 }
1042 else {
7101948c 1043 lp[3]=0.093*0.093;
d695268b 1044 if (info[0]==1) { lp[5]=-0.00014;}
1045 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1046 }
1047
a86176e3 1048 AliITSRecPoint * cl2;
1049 if(clusters){
1050
1051 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
a86176e3 1052 cl2->SetChargeRatio(ratio);
1053 cl2->SetType(5);
1054 fgPairs[ip*nn+in] = 5;
1055 if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster
1056 cl2->SetType(6);
1057 fgPairs[ip*nn+in] = 6;
1058 }
1059 }
1060 else{
1061 cl2 = new AliITSRecPoint(milab,lp,info);
1062 cl2->SetChargeRatio(ratio);
1063 cl2->SetType(5);
1064 fgPairs[ip*nn+in] = 5;
1065 if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster
1066 cl2->SetType(6);
1067 fgPairs[ip*nn+in] = 6;
1068 }
a86176e3 1069
1070 fDetTypeRec->AddRecPoint(*cl2);
1071 }
1072 ncl++;
04366a57 1073 }
04366a57 1074
a64f9843 1075
04366a57 1076 //
a86176e3 1077 // add second pair
00a7cc50 1078
a86176e3 1079 // if (!(cused1[ip2] || cused2[in])){ //
a64f9843 1080 if ( (fgPairs[ip2*nn+in]==100) && (pos[ip2].GetQ()) ) {
1081
d036ccd3 1082 Float_t yp=pos[ip2].GetY();
8be4e1b1 1083 Float_t yn=neg[in].GetY();
1084
1085 Float_t xt, zt;
1086 seg->GetPadCxz(yn, yp, xt, zt);
1087
1088 xbest=xt; zbest=zt;
2069484c 1089
a86176e3 1090 qbest =pos[ip2].GetQ();
a64f9843 1091
8be4e1b1 1092 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
a64f9843 1093 mT2L->MasterToLocal(loc,trk);
1094 lp[0]=trk[1];
1095 lp[1]=trk[2];
1096
a86176e3 1097 lp[4]=qbest; //Q
1098 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1099 for (Int_t ilab=0;ilab<3;ilab++){
1100 milab[ilab] = pos[ip2].GetLabel(ilab);
1101 milab[ilab+3] = neg[in].GetLabel(ilab);
00a7cc50 1102 }
a86176e3 1103 //
1104 CheckLabels2(milab);
1105 ratio = (pos[ip2].GetQ()-neg[in].GetQ())/(pos[ip2].GetQ()+neg[in].GetQ());
1106 milab[3]=(((ip2<<10) + in)<<10) + idet; // pos|neg|det
1107 Int_t info[3] = {pos[ip2].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
308b5ea4 1108
d695268b 1109 lp[2]=0.0022*0.0022; //SigmaY2
1110 lp[3]=0.110*0.110; //SigmaZ2
1111 // out-of-diagonal element of covariance matrix
1112 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1113 else if ( (info[0]>1) && (info[1]>1) ) {
1114 lp[2]=0.0016*0.0016; //SigmaY2
1115 lp[3]=0.08*0.08; //SigmaZ2
1116 lp[5]=-0.00006;
1117 }
1118 else {
7101948c 1119 lp[3]=0.093*0.093;
d695268b 1120 if (info[0]==1) { lp[5]=-0.00014;}
1121 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1122 }
1123
a86176e3 1124 AliITSRecPoint * cl2;
1125 if(clusters){
1126 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1127
a86176e3 1128 cl2->SetChargeRatio(ratio);
1129 cl2->SetType(5);
1130 fgPairs[ip2*nn+in] =5;
1131 if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster
1132 cl2->SetType(6);
1133 fgPairs[ip2*nn+in] =6;
1134 }
1135 }
1136 else{
1137 cl2 = new AliITSRecPoint(milab,lp,info);
1138 cl2->SetChargeRatio(ratio);
1139 cl2->SetType(5);
1140 fgPairs[ip2*nn+in] =5;
1141 if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster
1142 cl2->SetType(6);
1143 fgPairs[ip2*nn+in] =6;
1144 }
1145
a86176e3 1146 fDetTypeRec->AddRecPoint(*cl2);
1147 }
1148 ncl++;
a64f9843 1149 }
1150
a86176e3 1151 cused1[ip]++;
1152 cused1[ip2]++;
1153 cused2[in]++;
a64f9843 1154
1155 } // charge matching condition
1156
1157 } // 2 Pside cross 1 Nside
1158 } // loop over Pside clusters
a86176e3 1159
a64f9843 1160
1161
1162 //
1163 for (Int_t jn=0;jn<nn;jn++){
1164 if (cused2[jn]) continue;
8be4e1b1 1165 Float_t xbest=1000,zbest=1000,qbest=0;
a64f9843 1166 // select "silber" cluster
1167 if ( cpositive[jn]==1 && cnegative[positivepair[10*jn]]==2){
1168 Int_t ip = positivepair[10*jn];
1169 Int_t jn2 = negativepair[10*ip];
1170 if (jn2==jn) jn2 = negativepair[10*ip+1];
1171 Float_t pcharge = neg[jn].GetQ()+neg[jn2].GetQ();
04366a57 1172 //
a64f9843 1173
d695268b 1174
1175 ratio = (pcharge-pos[ip].GetQ())/(pcharge+pos[ip].GetQ());
1176 if ( (TMath::Abs(ratio)<0.2) && (pcharge!=0) ) {
1177
1178 /*
2069484c 1179 if ( (TMath::Abs(pcharge-pos[ip].GetQ())<30) && // charge matching
a64f9843 1180 (pcharge!=0) ) { // reject combinations of bad strips
d695268b 1181 */
1182
1183
a64f9843 1184 //
1185 // add first pair
1186 // if (!(cused1[ip]||cused2[jn])){
1187 if ( (fgPairs[ip*nn+jn]==100) && (neg[jn].GetQ()) ) { //
1188
d036ccd3 1189 Float_t yn=neg[jn].GetY();
8be4e1b1 1190 Float_t yp=pos[ip].GetY();
2069484c 1191
8be4e1b1 1192 Float_t xt, zt;
1193 seg->GetPadCxz(yn, yp, xt, zt);
1194
1195 xbest=xt; zbest=zt;
2069484c 1196
a64f9843 1197 qbest =neg[jn].GetQ();
d036ccd3 1198
a64f9843 1199 {
8be4e1b1 1200 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
a64f9843 1201 mT2L->MasterToLocal(loc,trk);
1202 lp[0]=trk[1];
1203 lp[1]=trk[2];
b4704be3 1204 }
04366a57 1205
1206 lp[4]=qbest; //Q
1207 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1208 for (Int_t ilab=0;ilab<3;ilab++){
1209 milab[ilab] = pos[ip].GetLabel(ilab);
1210 milab[ilab+3] = neg[jn].GetLabel(ilab);
1211 }
1212 //
1213 CheckLabels2(milab);
1214 ratio = (pos[ip].GetQ()-neg[jn].GetQ())/(pos[ip].GetQ()+neg[jn].GetQ());
1215 milab[3]=(((ip<<10) + jn)<<10) + idet; // pos|neg|det
1216 Int_t info[3] = {pos[ip].GetNd(),neg[jn].GetNd(),fNlayer[fModule]};
1217
d695268b 1218 lp[2]=0.0022*0.0022; //SigmaY2
1219 lp[3]=0.110*0.110; //SigmaZ2
1220 // out-of-diagonal element of covariance matrix
1221 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1222 else if ( (info[0]>1) && (info[1]>1) ) {
1223 lp[2]=0.0016*0.0016; //SigmaY2
1224 lp[3]=0.08*0.08; //SigmaZ2
1225 lp[5]=-0.00006;
1226 }
1227 else {
7101948c 1228 lp[3]=0.093*0.093;
d695268b 1229 if (info[0]==1) { lp[5]=-0.00014;}
1230 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1231 }
1232
00a7cc50 1233 AliITSRecPoint * cl2;
1234 if(clusters){
75fb37cc 1235 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 1236
00a7cc50 1237 cl2->SetChargeRatio(ratio);
1238 cl2->SetType(7);
308b5ea4 1239 fgPairs[ip*nn+jn] =7;
00a7cc50 1240 if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster
1241 cl2->SetType(8);
308b5ea4 1242 fgPairs[ip*nn+jn]=8;
00a7cc50 1243 }
1244
1245 }
04366a57 1246 else{
75fb37cc 1247 cl2 = new AliITSRecPoint(milab,lp,info);
00a7cc50 1248 cl2->SetChargeRatio(ratio);
1249 cl2->SetType(7);
308b5ea4 1250 fgPairs[ip*nn+jn] =7;
00a7cc50 1251 if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster
1252 cl2->SetType(8);
308b5ea4 1253 fgPairs[ip*nn+jn]=8;
00a7cc50 1254 }
1255
1256 fDetTypeRec->AddRecPoint(*cl2);
04366a57 1257 }
1258 ncl++;
04366a57 1259 }
1260 //
1261 // add second pair
1262 // if (!(cused1[ip]||cused2[jn2])){
a64f9843 1263 if ( (fgPairs[ip*nn+jn2]==100)&&(neg[jn2].GetQ() ) ) { //
1264
d036ccd3 1265 Float_t yn=neg[jn2].GetY();
1266 Double_t yp=pos[ip].GetY();
2069484c 1267
8be4e1b1 1268 Float_t xt, zt;
1269 seg->GetPadCxz(yn, yp, xt, zt);
1270
1271 xbest=xt; zbest=zt;
2069484c 1272
04366a57 1273 qbest =neg[jn2].GetQ();
d036ccd3 1274
b4704be3 1275 {
8be4e1b1 1276 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
b4704be3 1277 mT2L->MasterToLocal(loc,trk);
1278 lp[0]=trk[1];
1279 lp[1]=trk[2];
1280 }
d695268b 1281
04366a57 1282 lp[4]=qbest; //Q
1283 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1284 for (Int_t ilab=0;ilab<3;ilab++){
1285 milab[ilab] = pos[ip].GetLabel(ilab);
1286 milab[ilab+3] = neg[jn2].GetLabel(ilab);
1287 }
1288 //
1289 CheckLabels2(milab);
1290 ratio = (pos[ip].GetQ()-neg[jn2].GetQ())/(pos[ip].GetQ()+neg[jn2].GetQ());
1291 milab[3]=(((ip<<10) + jn2)<<10) + idet; // pos|neg|det
1292 Int_t info[3] = {pos[ip].GetNd(),neg[jn2].GetNd(),fNlayer[fModule]};
d695268b 1293
1294 lp[2]=0.0022*0.0022; //SigmaY2
1295 lp[3]=0.110*0.110; //SigmaZ2
1296 // out-of-diagonal element of covariance matrix
1297 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1298 else if ( (info[0]>1) && (info[1]>1) ) {
1299 lp[2]=0.0016*0.0016; //SigmaY2
1300 lp[3]=0.08*0.08; //SigmaZ2
1301 lp[5]=-0.00006;
1302 }
1303 else {
7101948c 1304 lp[3]=0.093*0.093;
d695268b 1305 if (info[0]==1) { lp[5]=-0.00014;}
1306 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1307 }
1308
00a7cc50 1309 AliITSRecPoint * cl2;
1310 if(clusters){
75fb37cc 1311 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 1312
308b5ea4 1313
00a7cc50 1314 cl2->SetChargeRatio(ratio);
308b5ea4 1315 fgPairs[ip*nn+jn2]=7;
00a7cc50 1316 cl2->SetType(7);
1317 if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster
1318 cl2->SetType(8);
308b5ea4 1319 fgPairs[ip*nn+jn2]=8;
00a7cc50 1320 }
1321
1322 }
04366a57 1323 else{
75fb37cc 1324 cl2 = new AliITSRecPoint(milab,lp,info);
00a7cc50 1325 cl2->SetChargeRatio(ratio);
308b5ea4 1326 fgPairs[ip*nn+jn2]=7;
00a7cc50 1327 cl2->SetType(7);
1328 if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster
1329 cl2->SetType(8);
308b5ea4 1330 fgPairs[ip*nn+jn2]=8;
00a7cc50 1331 }
308b5ea4 1332
00a7cc50 1333 fDetTypeRec->AddRecPoint(*cl2);
04366a57 1334 }
1335
1336 ncl++;
04366a57 1337 }
1338 cused1[ip]++;
1339 cused2[jn]++;
1340 cused2[jn2]++;
308b5ea4 1341
a64f9843 1342 } // charge matching condition
1343
1344 } // 2 Nside cross 1 Pside
1345 } // loop over Pside clusters
1346
1347
1348
1349 for (Int_t ip=0;ip<np;ip++){
d695268b 1350
1351 if(cused1[ip]) continue;
1352
1353
8be4e1b1 1354 Float_t xbest=1000,zbest=1000,qbest=0;
04366a57 1355 //
a64f9843 1356 // 2x2 clusters
04366a57 1357 //
d695268b 1358 if ( (cnegative[ip]==2) && cpositive[negativepair[10*ip]]==2){
1359 Float_t minchargediff =4.;
1360 Float_t minchargeratio =0.2;
1361
1362 Int_t j=-1;
1363 for (Int_t di=0;di<cnegative[ip];di++){
1364 Int_t jc = negativepair[ip*10+di];
1365 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1366 ratio = (pos[ip].GetQ()-neg[jc].GetQ())/(pos[ip].GetQ()+neg[jc].GetQ());
1367 //if (TMath::Abs(chargedif)<minchargediff){
1368 if (TMath::Abs(ratio)<0.2){
1369 j =jc;
1370 minchargediff = TMath::Abs(chargedif);
1371 minchargeratio = TMath::Abs(ratio);
1372 }
1373 }
1374 if (j<0) continue; // not proper cluster
1375
1376
1377 Int_t count =0;
1378 for (Int_t di=0;di<cnegative[ip];di++){
1379 Int_t jc = negativepair[ip*10+di];
1380 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1381 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
1382 }
1383 if (count>1) continue; // more than one "proper" cluster for positive
1384 //
1385
1386 count =0;
1387 for (Int_t dj=0;dj<cpositive[j];dj++){
1388 Int_t ic = positivepair[j*10+dj];
1389 Float_t chargedif = pos[ic].GetQ()-neg[j].GetQ();
1390 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
1391 }
1392 if (count>1) continue; // more than one "proper" cluster for negative
1393
1394 Int_t jp = 0;
1395
1396 count =0;
1397 for (Int_t dj=0;dj<cnegative[jp];dj++){
1398 Int_t ic = positivepair[jp*10+dj];
1399 Float_t chargedif = pos[ic].GetQ()-neg[jp].GetQ();
1400 if (TMath::Abs(chargedif)<minchargediff+4.) count++;
1401 }
1402 if (count>1) continue;
1403 if (fgPairs[ip*nn+j]<100) continue;
1404 //
1405
1406
1407
1408 //almost gold clusters
1409 Float_t yp=pos[ip].GetY();
1410 Float_t yn=neg[j].GetY();
1411 Float_t xt, zt;
1412 seg->GetPadCxz(yn, yp, xt, zt);
1413 xbest=xt; zbest=zt;
1414 qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
1415 {
1416 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
1417 mT2L->MasterToLocal(loc,trk);
1418 lp[0]=trk[1];
1419 lp[1]=trk[2];
1420 }
1421 lp[4]=qbest; //Q
1422 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1423 for (Int_t ilab=0;ilab<3;ilab++){
1424 milab[ilab] = pos[ip].GetLabel(ilab);
1425 milab[ilab+3] = neg[j].GetLabel(ilab);
1426 }
1427 //
1428 CheckLabels2(milab);
1429 if ((neg[j].GetQ()==0)&&(pos[ip].GetQ()==0)) continue; // reject crosses of bad strips!!
1430 ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
1431 milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
1432 Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
1433
1434 lp[2]=0.0022*0.0022; //SigmaY2
1435 lp[3]=0.110*0.110; //SigmaZ2
1436 // out-of-diagonal element of covariance matrix
1437 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1438 else if ( (info[0]>1) && (info[1]>1) ) {
1439 lp[2]=0.0016*0.0016; //SigmaY2
1440 lp[3]=0.08*0.08; //SigmaZ2
1441 lp[5]=-0.00006;
1442 }
1443 else {
7101948c 1444 lp[3]=0.093*0.093;
d695268b 1445 if (info[0]==1) { lp[5]=-0.00014;}
1446 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1447 }
1448
1449 AliITSRecPoint * cl2;
1450 if(clusters){
1451 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1452
1453 cl2->SetChargeRatio(ratio);
1454 cl2->SetType(10);
1455 fgPairs[ip*nn+j]=10;
1456 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
1457 cl2->SetType(11);
1458 fgPairs[ip*nn+j]=11;
1459 }
1460 cused1[ip]++;
1461 cused2[j]++;
1462 }
1463 else{
1464 cl2 = new AliITSRecPoint(milab,lp,info);
1465 cl2->SetChargeRatio(ratio);
1466 cl2->SetType(10);
1467 fgPairs[ip*nn+j]=10;
1468 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
1469 cl2->SetType(11);
1470 fgPairs[ip*nn+j]=11;
1471 }
1472 cused1[ip]++;
1473 cused2[j]++;
1474
1475 fDetTypeRec->AddRecPoint(*cl2);
1476 }
1477 ncl++;
1478
1479 } // 2X2
1480 } // loop over Pside 1Dclusters
1481
1482
1483
1484 for (Int_t ip=0;ip<np;ip++){
1485
1486 if(cused1[ip]) continue;
1487
1488
1489 Float_t xbest=1000,zbest=1000,qbest=0;
1490 //
1491 // manyxmany clusters
1492 //
a64f9843 1493 if ( (cnegative[ip]<5) && cpositive[negativepair[10*ip]]<5){
1494 Float_t minchargediff =4.;
1495 Int_t j=-1;
1496 for (Int_t di=0;di<cnegative[ip];di++){
1497 Int_t jc = negativepair[ip*10+di];
1498 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1499 if (TMath::Abs(chargedif)<minchargediff){
1500 j =jc;
1501 minchargediff = TMath::Abs(chargedif);
1502 }
00a7cc50 1503 }
a64f9843 1504 if (j<0) continue; // not proper cluster
1505
1506 Int_t count =0;
1507 for (Int_t di=0;di<cnegative[ip];di++){
1508 Int_t jc = negativepair[ip*10+di];
1509 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1510 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
00a7cc50 1511 }
a64f9843 1512 if (count>1) continue; // more than one "proper" cluster for positive
1513 //
00a7cc50 1514
a64f9843 1515 count =0;
1516 for (Int_t dj=0;dj<cpositive[j];dj++){
1517 Int_t ic = positivepair[j*10+dj];
1518 Float_t chargedif = pos[ic].GetQ()-neg[j].GetQ();
1519 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
1520 }
1521 if (count>1) continue; // more than one "proper" cluster for negative
1522
1523 Int_t jp = 0;
1524
1525 count =0;
1526 for (Int_t dj=0;dj<cnegative[jp];dj++){
1527 Int_t ic = positivepair[jp*10+dj];
1528 Float_t chargedif = pos[ic].GetQ()-neg[jp].GetQ();
1529 if (TMath::Abs(chargedif)<minchargediff+4.) count++;
1530 }
1531 if (count>1) continue;
1532 if (fgPairs[ip*nn+j]<100) continue;
1533 //
1534
1535 //almost gold clusters
d036ccd3 1536 Float_t yp=pos[ip].GetY();
1537 Float_t yn=neg[j].GetY();
1538
8be4e1b1 1539
1540 Float_t xt, zt;
1541 seg->GetPadCxz(yn, yp, xt, zt);
1542
1543 xbest=xt; zbest=zt;
1544
a64f9843 1545 qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
d036ccd3 1546
a64f9843 1547 {
8be4e1b1 1548 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
a64f9843 1549 mT2L->MasterToLocal(loc,trk);
1550 lp[0]=trk[1];
1551 lp[1]=trk[2];
1552 }
a64f9843 1553 lp[4]=qbest; //Q
1554 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1555 for (Int_t ilab=0;ilab<3;ilab++){
1556 milab[ilab] = pos[ip].GetLabel(ilab);
1557 milab[ilab+3] = neg[j].GetLabel(ilab);
1558 }
1559 //
1560 CheckLabels2(milab);
db6e54cd 1561 if ((neg[j].GetQ()==0)&&(pos[ip].GetQ()==0)) continue; // reject crosses of bad strips!!
a64f9843 1562 ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
1563 milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
1564 Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
d695268b 1565
1566 lp[2]=0.0022*0.0022; //SigmaY2
1567 lp[3]=0.110*0.110; //SigmaZ2
1568 // out-of-diagonal element of covariance matrix
1569 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1570 else if ( (info[0]>1) && (info[1]>1) ) {
1571 lp[2]=0.0016*0.0016; //SigmaY2
1572 lp[3]=0.08*0.08; //SigmaZ2
1573 lp[5]=-0.00006;
1574 }
1575 else {
7101948c 1576 lp[3]=0.093*0.093;
d695268b 1577 if (info[0]==1) { lp[5]=-0.00014;}
1578 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1579 }
1580
a64f9843 1581 AliITSRecPoint * cl2;
1582 if(clusters){
1583 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
d036ccd3 1584
a64f9843 1585 cl2->SetChargeRatio(ratio);
d695268b 1586 cl2->SetType(12);
1587 fgPairs[ip*nn+j]=12;
a64f9843 1588 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
d695268b 1589 cl2->SetType(13);
1590 fgPairs[ip*nn+j]=13;
a64f9843 1591 }
1592 cused1[ip]++;
1593 cused2[j]++;
1594 }
1595 else{
1596 cl2 = new AliITSRecPoint(milab,lp,info);
1597 cl2->SetChargeRatio(ratio);
d695268b 1598 cl2->SetType(12);
1599 fgPairs[ip*nn+j]=12;
a64f9843 1600 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
d695268b 1601 cl2->SetType(13);
1602 fgPairs[ip*nn+j]=13;
a64f9843 1603 }
1604 cused1[ip]++;
1605 cused2[j]++;
1606
a64f9843 1607 fDetTypeRec->AddRecPoint(*cl2);
1608 }
1609 ncl++;
1610
1611 } // manyXmany
1612 } // loop over Pside 1Dclusters
1613
a64f9843 1614 } // use charge matching
1615
04366a57 1616
a64f9843 1617 // recover all the other crosses
04366a57 1618 //
1619 for (Int_t i=0; i<np; i++) {
8be4e1b1 1620 Float_t xbest=1000,zbest=1000,qbest=0;
d036ccd3 1621 Float_t yp=pos[i].GetY();
a64f9843 1622 if ((pos[i].GetQ()>0)&&(pos[i].GetQ()<3)) continue;
04366a57 1623 for (Int_t j=0; j<nn; j++) {
1624 // for (Int_t di = 0;di<cpositive[i];di++){
1625 // Int_t j = negativepair[10*i+di];
a64f9843 1626 if ((neg[j].GetQ()>0)&&(neg[j].GetQ()<3)) continue;
1627
1628 if ((neg[j].GetQ()==0)&&(pos[i].GetQ()==0)) continue; // reject crosses of bad strips!!
1629
04366a57 1630 if (cused2[j]||cused1[i]) continue;
308b5ea4 1631 if (fgPairs[i*nn+j]>0 &&fgPairs[i*nn+j]<100) continue;
04366a57 1632 ratio = (pos[i].GetQ()-neg[j].GetQ())/(pos[i].GetQ()+neg[j].GetQ());
d036ccd3 1633 Float_t yn=neg[j].GetY();
1634
8be4e1b1 1635 Float_t xt, zt;
1636 seg->GetPadCxz(yn, yp, xt, zt);
d036ccd3 1637
5846520e 1638 if (TMath::Abs(xt)<hwSSD)
1639 if (TMath::Abs(zt)<hlSSD) {
8be4e1b1 1640 xbest=xt; zbest=zt;
1641
04366a57 1642 qbest=0.5*(pos[i].GetQ()+neg[j].GetQ());
d036ccd3 1643
b4704be3 1644 {
8be4e1b1 1645 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
b4704be3 1646 mT2L->MasterToLocal(loc,trk);
1647 lp[0]=trk[1];
1648 lp[1]=trk[2];
1649 }
04366a57 1650 lp[4]=qbest; //Q
1651 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1652 for (Int_t ilab=0;ilab<3;ilab++){
1653 milab[ilab] = pos[i].GetLabel(ilab);
1654 milab[ilab+3] = neg[j].GetLabel(ilab);
1655 }
1656 //
1657 CheckLabels2(milab);
1658 milab[3]=(((i<<10) + j)<<10) + idet; // pos|neg|det
1659 Int_t info[3] = {pos[i].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
d695268b 1660
1661 lp[2]=0.0022*0.0022; //SigmaY2
1662 lp[3]=0.110*0.110; //SigmaZ2
1663 // out-of-diagonal element of covariance matrix
1664 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1665 else if ( (info[0]>1) && (info[1]>1) ) {
1666 lp[2]=0.0016*0.0016; //SigmaY2
1667 lp[3]=0.08*0.08; //SigmaZ2
1668 lp[5]=-0.00006;
1669 }
1670 else {
7101948c 1671 lp[3]=0.093*0.093;
d695268b 1672 if (info[0]==1) { lp[5]=-0.00014;}
1673 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1674 }
1675
00a7cc50 1676 AliITSRecPoint * cl2;
1677 if(clusters){
75fb37cc 1678 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 1679
00a7cc50 1680 cl2->SetChargeRatio(ratio);
1681 cl2->SetType(100+cpositive[j]+cnegative[i]);
a64f9843 1682
1683 if(pos[i].GetQ()==0) cl2->SetType(200+cpositive[j]+cnegative[i]);
1684 if(neg[j].GetQ()==0) cl2->SetType(300+cpositive[j]+cnegative[i]);
1685
00a7cc50 1686 }
04366a57 1687 else{
75fb37cc 1688 cl2 = new AliITSRecPoint(milab,lp,info);
00a7cc50 1689 cl2->SetChargeRatio(ratio);
1690 cl2->SetType(100+cpositive[j]+cnegative[i]);
308b5ea4 1691
a64f9843 1692 if(pos[i].GetQ()==0) cl2->SetType(200+cpositive[j]+cnegative[i]);
1693 if(neg[j].GetQ()==0) cl2->SetType(300+cpositive[j]+cnegative[i]);
308b5ea4 1694
00a7cc50 1695 fDetTypeRec->AddRecPoint(*cl2);
04366a57 1696 }
1697 ncl++;
04366a57 1698 }
1699 }
1700 }
d695268b 1701
1702
d695268b 1703
7101948c 1704 if(repa->GetUseBadChannelsInClusterFinderSSD()==kTRUE) {
1705
1706 //---------------------------------------------------------
1707 // recover crosses of good 1D clusters with bad strips on the other side
1708 // Note1: at first iteration skip modules with a bad side (or almost), (would produce too many fake!)
1709 // Note2: for modules with a bad side see below
1710
1711 AliITSCalibrationSSD* cal = (AliITSCalibrationSSD*)GetResp(fModule);
1712 Int_t countPbad=0, countNbad=0;
1713 for(Int_t ib=0; ib<768; ib++) {
1714 if(cal->IsPChannelBad(ib)) countPbad++;
1715 if(cal->IsNChannelBad(ib)) countNbad++;
1716 }
1717 // AliInfo(Form("module %d has %d P- and %d N-bad strips",fModule,countPbad,countNbad));
d695268b 1718
7101948c 1719 if( (countPbad<100) && (countNbad<100) ) { // no bad side!!
d695268b 1720
7101948c 1721 for (Int_t i=0; i<np; i++) { // loop over Nside 1Dclusters with no crosses
1722 if(cnegative[i]) continue; // if intersecting Pside clusters continue;
d695268b 1723
7101948c 1724 // for(Int_t ib=0; ib<768; ib++) { // loop over all Pstrips
1725 for(Int_t ib=15; ib<753; ib++) { // loop over all Pstrips
d695268b 1726
7101948c 1727 if(cal->IsPChannelBad(ib)) { // check if strips is bad
1728 Float_t yN=pos[i].GetY();
1729 Float_t xt, zt;
1730 seg->GetPadCxz(1.*ib, yN, xt, zt);
d695268b 1731
7101948c 1732 //----------
1733 // bad Pstrip is crossing the Nside 1Dcluster -> create recpoint
1734 //
5846520e 1735 if ( (TMath::Abs(xt)<hwSSD) && (TMath::Abs(zt)<hlSSD) ) {
7101948c 1736 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1737 mT2L->MasterToLocal(loc,trk);
1738 lp[0]=trk[1];
1739 lp[1]=trk[2];
1740 lp[4]=pos[i].GetQ(); //Q
1741 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1742 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = pos[i].GetLabel(ilab);
1743 CheckLabels2(milab);
1744 milab[3]=( (i<<10) << 10 ) + idet; // pos|neg|det
1745 Int_t info[3] = {pos[i].GetNd(),0,fNlayer[fModule]};
1746
1747 // out-of-diagonal element of covariance matrix
1748 if (info[0]==1) lp[5]=0.0065;
1749 else lp[5]=0.0093;
1750
1751 lp[2]=0.0022*0.0022; //SigmaY2
1752 lp[3]=0.110*0.110; //SigmaZ2
1753 lp[5]=-0.00012; // out-of-diagonal element of covariance matrix
1754
1755 AliITSRecPoint * cl2;
1756 if(clusters){
1757 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1758 cl2->SetChargeRatio(1.);
d695268b 1759 cl2->SetType(50);
7101948c 1760 }
1761 else{
1762 cl2 = new AliITSRecPoint(milab,lp,info);
1763 cl2->SetChargeRatio(1.);
1764 cl2->SetType(50);
1765 fDetTypeRec->AddRecPoint(*cl2);
1766 }
1767 ncl++;
1768 } // cross is within the detector
1769 //
1770 //--------------
1771
1772 } // bad Pstrip
d695268b 1773
7101948c 1774 } // end loop over Pstrips
d695268b 1775
7101948c 1776 } // end loop over Nside 1D clusters
d695268b 1777
7101948c 1778 for (Int_t j=0; j<nn; j++) { // loop over Pside 1D clusters with no crosses
1779 if(cpositive[j]) continue;
1780
1781 // for(Int_t ib=0; ib<768; ib++) { // loop over all Nside strips
1782 for(Int_t ib=15; ib<753; ib++) { // loop over all Nside strips
1783
1784 if(cal->IsNChannelBad(ib)) { // check if strip is bad
1785 Float_t yP=neg[j].GetY();
1786 Float_t xt, zt;
1787 seg->GetPadCxz(yP, 1.*ib, xt, zt);
1788
1789 //----------
1790 // bad Nstrip is crossing the Pside 1Dcluster -> create recpoint
1791 //
5846520e 1792 if ( (TMath::Abs(xt)<hwSSD) && (TMath::Abs(zt)<hlSSD) ) {
7101948c 1793 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1794 mT2L->MasterToLocal(loc,trk);
1795 lp[0]=trk[1];
1796 lp[1]=trk[2];
1797 lp[4]=neg[j].GetQ(); //Q
1798 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1799 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = neg[j].GetLabel(ilab);
1800 CheckLabels2(milab);
1801 milab[3]=( j << 10 ) + idet; // pos|neg|det
1802 Int_t info[3]={0,(Int_t)neg[j].GetNd(),fNlayer[fModule]};
1803
1804 lp[2]=0.0022*0.0022; //SigmaY2
1805 lp[3]=0.110*0.110; //SigmaZ2
1806 lp[5]=-0.00012; // out-of-diagonal element of covariance matrix
1807
1808 AliITSRecPoint * cl2;
1809 if(clusters){
1810 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1811 cl2->SetChargeRatio(1.);
1812 cl2->SetType(60);
1813 }
1814 else{
1815 cl2 = new AliITSRecPoint(milab,lp,info);
1816 cl2->SetChargeRatio(1.);
1817 cl2->SetType(60);
1818 fDetTypeRec->AddRecPoint(*cl2);
1819 }
1820 ncl++;
1821 } // cross is within the detector
1822 //
1823 //--------------
1824
1825 } // bad Nstrip
1826 } // end loop over Nstrips
1827 } // end loop over Pside 1D clusters
1828
1829 } // no bad sides
1830
1831 //---------------------------------------------------------
d695268b 1832
7101948c 1833 else if( (countPbad>700) && (countNbad<100) ) { // bad Pside!!
d695268b 1834
7101948c 1835 for (Int_t i=0; i<np; i++) { // loop over Nside 1Dclusters with no crosses
1836 if(cnegative[i]) continue; // if intersecting Pside clusters continue;
d695268b 1837
7101948c 1838 Float_t xt, zt;
1839 Float_t yN=pos[i].GetY();
1840 Float_t yP=0.;
1841 if (seg->GetLayer()==5) yP = yN + (7.6/1.9);
1842 else yP = yN - (7.6/1.9);
1843 seg->GetPadCxz(yP, yN, xt, zt);
1844
5846520e 1845 if ( (TMath::Abs(xt)<hwSSD) && (TMath::Abs(zt)<hlSSD) ) {
7101948c 1846 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1847 mT2L->MasterToLocal(loc,trk);
1848 lp[0]=trk[1];
1849 lp[1]=trk[2];
1850 lp[4]=pos[i].GetQ(); //Q
1851 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1852 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = pos[i].GetLabel(ilab);
1853 CheckLabels2(milab);
1854 milab[3]=( (i<<10) << 10 ) + idet; // pos|neg|det
1855 Int_t info[3] = {(Int_t)pos[i].GetNd(),0,fNlayer[fModule]};
d695268b 1856
7101948c 1857 lp[2]=0.031*0.031; //SigmaY2
1858 lp[3]=1.15*1.15; //SigmaZ2
1859 lp[5]=-0.036;
d695268b 1860
7101948c 1861 AliITSRecPoint * cl2;
1862 if(clusters){
1863 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1864 cl2->SetChargeRatio(1.);
1865 cl2->SetType(70);
1866 }
1867 else{
1868 cl2 = new AliITSRecPoint(milab,lp,info);
1869 cl2->SetChargeRatio(1.);
1870 cl2->SetType(70);
1871 fDetTypeRec->AddRecPoint(*cl2);
1872 }
1873 ncl++;
1874 } // cross is within the detector
1875 //
1876 //--------------
1877
1878 } // end loop over Nside 1D clusters
1879
1880 } // bad Pside module
d695268b 1881
7101948c 1882 else if( (countNbad>700) && (countPbad<100) ) { // bad Nside!!
d695268b 1883
7101948c 1884 for (Int_t j=0; j<nn; j++) { // loop over Pside 1D clusters with no crosses
1885 if(cpositive[j]) continue;
1886
1887 Float_t xt, zt;
1888 Float_t yP=neg[j].GetY();
1889 Float_t yN=0.;
1890 if (seg->GetLayer()==5) yN = yP - (7.6/1.9);
1891 else yN = yP + (7.6/1.9);
1892 seg->GetPadCxz(yP, yN, xt, zt);
1893
5846520e 1894 if ( (TMath::Abs(xt)<hwSSD) && (TMath::Abs(zt)<hlSSD) ) {
7101948c 1895 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1896 mT2L->MasterToLocal(loc,trk);
1897 lp[0]=trk[1];
1898 lp[1]=trk[2];
1899 lp[4]=neg[j].GetQ(); //Q
1900 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1901 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = neg[j].GetLabel(ilab);
1902 CheckLabels2(milab);
1903 milab[3]=( j << 10 ) + idet; // pos|neg|det
1904 Int_t info[3] = {0,(Int_t)neg[j].GetNd(),fNlayer[fModule]};
d695268b 1905
7101948c 1906 lp[2]=0.0085*0.0085; //SigmaY2
1907 lp[3]=1.15*1.15; //SigmaZ2
1908 lp[5]=0.0093;
1909
1910 AliITSRecPoint * cl2;
1911 if(clusters){
1912 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1913 cl2->SetChargeRatio(1.);
1914 cl2->SetType(80);
1915 }
1916 else{
1917 cl2 = new AliITSRecPoint(milab,lp,info);
1918 cl2->SetChargeRatio(1.);
1919 cl2->SetType(80);
1920 fDetTypeRec->AddRecPoint(*cl2);
1921 }
1922 ncl++;
1923 } // cross is within the detector
1924 //
1925 //--------------
1926
1927 } // end loop over Pside 1D clusters
d695268b 1928
7101948c 1929 } // bad Nside module
d695268b 1930
7101948c 1931 //---------------------------------------------------------
d695268b 1932
7101948c 1933 } // use bad channels
d695268b 1934
d695268b 1935 //cout<<ncl<<" clusters for this module"<<endl;
1936
8be4e1b1 1937 delete [] cnegative;
1938 delete [] cused1;
1939 delete [] negativepair;
1940 delete [] cpositive;
1941 delete [] cused2;
1942 delete [] positivepair;
04366a57 1943
0a56760a 1944}