Adding paranoiac protection to be 200% sure to get physical charges
[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
04366a57 747 TClonesArray &cl=*clusters;
d036ccd3 748
8be4e1b1 749 AliITSsegmentationSSD *seg = dynamic_cast<AliITSsegmentationSSD*>(fDetTypeRec->GetSegmentationModel(2));
750 if (fModule>fLastSSD1)
751 seg->SetLayer(6);
752 else
753 seg->SetLayer(5);
754
755 Float_t hwSSD = seg->Dx()*1e-4/2;
756 Float_t hlSSD = seg->Dz()*1e-4/2;
757
04366a57 758 Int_t idet=fNdet[fModule];
759 Int_t ncl=0;
d036ccd3 760
04366a57 761 //
8be4e1b1 762 Int_t *cnegative = new Int_t[np];
763 Int_t *cused1 = new Int_t[np];
764 Int_t *negativepair = new Int_t[10*np];
765 Int_t *cpositive = new Int_t[nn];
766 Int_t *cused2 = new Int_t[nn];
767 Int_t *positivepair = new Int_t[10*nn];
768 for (Int_t i=0;i<np;i++) {cnegative[i]=0; cused1[i]=0;}
769 for (Int_t i=0;i<nn;i++) {cpositive[i]=0; cused2[i]=0;}
770 for (Int_t i=0;i<10*np;i++) {negativepair[i]=0;}
771 for (Int_t i=0;i<10*nn;i++) {positivepair[i]=0;}
c157c94e 772
308b5ea4 773 if ((np*nn) > fgPairsSize) {
d036ccd3 774
308b5ea4 775 if (fgPairs) delete [] fgPairs;
776 fgPairsSize = 4*np*nn;
777 fgPairs = new Short_t[fgPairsSize];
c157c94e 778 }
308b5ea4 779 memset(fgPairs,0,sizeof(Short_t)*np*nn);
780
04366a57 781 //
782 // find available pairs
783 //
784 for (Int_t i=0; i<np; i++) {
d036ccd3 785 Float_t yp=pos[i].GetY();
a64f9843 786 if ( (pos[i].GetQ()>0) && (pos[i].GetQ()<3) ) continue;
04366a57 787 for (Int_t j=0; j<nn; j++) {
a64f9843 788 if ( (neg[j].GetQ()>0) && (neg[j].GetQ()<3) ) continue;
d036ccd3 789 Float_t yn=neg[j].GetY();
790
8be4e1b1 791 Float_t xt, zt;
792 seg->GetPadCxz(yn, yp, xt, zt);
d695268b 793 //cout<<yn<<" "<<yp<<" "<<xt<<" "<<zt<<endl;
d036ccd3 794
8be4e1b1 795 if (TMath::Abs(xt)<hwSSD+0.01)
796 if (TMath::Abs(zt)<hlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) {
04366a57 797 negativepair[i*10+cnegative[i]] =j; //index
798 positivepair[j*10+cpositive[j]] =i;
799 cnegative[i]++; //counters
800 cpositive[j]++;
308b5ea4 801 fgPairs[i*nn+j]=100;
04366a57 802 }
803 }
804 }
308b5ea4 805
806 //
807 // try to recover points out of but close to the module boundaries
04366a57 808 //
809 for (Int_t i=0; i<np; i++) {
d036ccd3 810 Float_t yp=pos[i].GetY();
a64f9843 811 if ( (pos[i].GetQ()>0) && (pos[i].GetQ()<3) ) continue;
04366a57 812 for (Int_t j=0; j<nn; j++) {
a64f9843 813 if ( (neg[j].GetQ()>0) && (neg[j].GetQ()<3) ) continue;
308b5ea4 814 // if both 1Dclusters have an other cross continue
04366a57 815 if (cpositive[j]&&cnegative[i]) continue;
8be4e1b1 816 Float_t yn=neg[j].GetY();
d036ccd3 817
8be4e1b1 818 Float_t xt, zt;
819 seg->GetPadCxz(yn, yp, xt, zt);
d036ccd3 820
8be4e1b1 821 if (TMath::Abs(xt)<hwSSD+0.1)
822 if (TMath::Abs(zt)<hlSSD+0.15) {
308b5ea4 823 // tag 1Dcluster (eventually will produce low quality recpoint)
04366a57 824 if (cnegative[i]==0) pos[i].SetNd(100); // not available pair
825 if (cpositive[j]==0) neg[j].SetNd(100); // not available pair
826 negativepair[i*10+cnegative[i]] =j; //index
827 positivepair[j*10+cpositive[j]] =i;
828 cnegative[i]++; //counters
829 cpositive[j]++;
308b5ea4 830 fgPairs[i*nn+j]=100;
04366a57 831 }
832 }
833 }
308b5ea4 834
04366a57 835 //
d695268b 836 Float_t lp[6];
04366a57 837 Int_t milab[10];
838 Double_t ratio;
839
b42cfa25 840
a86176e3 841 static AliITSRecoParam *repa = NULL;
842 if(!repa){
843 repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
844 if(!repa){
ed446fa3 845 repa = AliITSRecoParam::GetHighFluxParam();
a86176e3 846 AliWarning("Using default AliITSRecoParam class");
847 }
848 }
b42cfa25 849
a86176e3 850 if(repa->GetUseChargeMatchingInClusterFinderSSD()==kTRUE) {
308b5ea4 851
852
a86176e3 853 //
854 // sign gold tracks
855 //
856 for (Int_t ip=0;ip<np;ip++){
8be4e1b1 857 Float_t xbest=1000,zbest=1000,qbest=0;
a86176e3 858 //
859 // select gold clusters
860 if ( (cnegative[ip]==1) && cpositive[negativepair[10*ip]]==1){
d036ccd3 861 Float_t yp=pos[ip].GetY();
a86176e3 862 Int_t j = negativepair[10*ip];
a64f9843 863
864 if( (pos[ip].GetQ()==0) && (neg[j].GetQ() ==0) ) {
865 // both bad, hence continue;
866 // mark both as used (to avoid recover at the end)
867 cused1[ip]++;
868 cused2[j]++;
869 continue;
870 }
871
a86176e3 872 ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
d695268b 873 //cout<<"ratio="<<ratio<<endl;
a64f9843 874
875 // charge matching (note that if posQ or negQ is 0 -> ratio=1 and the following condition is met
2069484c 876 if (TMath::Abs(ratio)>0.2) continue; // note: 0.2=3xsigma_ratio calculated in cosmics tests
a64f9843 877
a86176e3 878 //
8be4e1b1 879 Float_t yn=neg[j].GetY();
880
881 Float_t xt, zt;
882 seg->GetPadCxz(yn, yp, xt, zt);
883
884 xbest=xt; zbest=zt;
2069484c 885
2069484c 886
a86176e3 887 qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
d695268b 888 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 889
a86176e3 890 {
8be4e1b1 891 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
a86176e3 892 mT2L->MasterToLocal(loc,trk);
893 lp[0]=trk[1];
894 lp[1]=trk[2];
00a7cc50 895 }
a86176e3 896 lp[4]=qbest; //Q
897 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
898 for (Int_t ilab=0;ilab<3;ilab++){
899 milab[ilab] = pos[ip].GetLabel(ilab);
900 milab[ilab+3] = neg[j].GetLabel(ilab);
00a7cc50 901 }
04366a57 902 //
a86176e3 903 CheckLabels2(milab);
904 milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
905 Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
d695268b 906
907 lp[2]=0.0022*0.0022; //SigmaY2
908 lp[3]=0.110*0.110; //SigmaZ2
909 // out-of-diagonal element of covariance matrix
910 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
911 else if ( (info[0]>1) && (info[1]>1) ) {
912 lp[2]=0.0016*0.0016; //SigmaY2
913 lp[3]=0.08*0.08; //SigmaZ2
914 lp[5]=-0.00006;
915 }
916 else {
917 lp[3]=0.0093*0.0093;
918 if (info[0]==1) { lp[5]=-0.00014;}
919 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
920 }
921
a86176e3 922 AliITSRecPoint * cl2;
923
924 if(clusters){ // Note clusters != 0 when method is called for rawdata
04366a57 925
a86176e3 926
927 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
928
a86176e3 929 cl2->SetChargeRatio(ratio);
930 cl2->SetType(1);
931 fgPairs[ip*nn+j]=1;
a64f9843 932
a86176e3 933 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
934 cl2->SetType(2);
935 fgPairs[ip*nn+j]=2;
04366a57 936 }
a64f9843 937
938 if(pos[ip].GetQ()==0) cl2->SetType(3);
7b208ef4 939 if(neg[j].GetQ()==0) cl2->SetType(4);
a64f9843 940
a86176e3 941 cused1[ip]++;
942 cused2[j]++;
943
944 }
945 else{ // Note clusters == 0 when method is called for digits
946
947 cl2 = new AliITSRecPoint(milab,lp,info);
948
a86176e3 949 cl2->SetChargeRatio(ratio);
950 cl2->SetType(1);
951 fgPairs[ip*nn+j]=1;
a64f9843 952
a86176e3 953 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
954 cl2->SetType(2);
955 fgPairs[ip*nn+j]=2;
00a7cc50 956 }
a64f9843 957
958 if(pos[ip].GetQ()==0) cl2->SetType(3);
7b208ef4 959 if(neg[j].GetQ()==0) cl2->SetType(4);
a64f9843 960
a86176e3 961 cused1[ip]++;
962 cused2[j]++;
a64f9843 963
a86176e3 964 fDetTypeRec->AddRecPoint(*cl2);
965 }
966 ncl++;
967 }
968 }
969
970 for (Int_t ip=0;ip<np;ip++){
8be4e1b1 971 Float_t xbest=1000,zbest=1000,qbest=0;
a86176e3 972 //
973 //
974 // select "silber" cluster
975 if ( cnegative[ip]==1 && cpositive[negativepair[10*ip]]==2){
976 Int_t in = negativepair[10*ip];
977 Int_t ip2 = positivepair[10*in];
978 if (ip2==ip) ip2 = positivepair[10*in+1];
979 Float_t pcharge = pos[ip].GetQ()+pos[ip2].GetQ();
a64f9843 980
d695268b 981
982
983 ratio = (pcharge-neg[in].GetQ())/(pcharge+neg[in].GetQ());
984 if ( (TMath::Abs(ratio)<0.2) && (pcharge!=0) ) {
985 //if ( (TMath::Abs(pcharge-neg[in].GetQ())<30) && (pcharge!=0) ) { //
a64f9843 986
a86176e3 987 //
988 // add first pair
a64f9843 989 if ( (fgPairs[ip*nn+in]==100)&&(pos[ip].GetQ() ) ) { //
990
d036ccd3 991 Float_t yp=pos[ip].GetY();
8be4e1b1 992 Float_t yn=neg[in].GetY();
993
994 Float_t xt, zt;
995 seg->GetPadCxz(yn, yp, xt, zt);
996
997 xbest=xt; zbest=zt;
2069484c 998
a86176e3 999 qbest =pos[ip].GetQ();
8be4e1b1 1000 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
a64f9843 1001 mT2L->MasterToLocal(loc,trk);
1002 lp[0]=trk[1];
1003 lp[1]=trk[2];
1004
a86176e3 1005 lp[4]=qbest; //Q
1006 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1007 for (Int_t ilab=0;ilab<3;ilab++){
1008 milab[ilab] = pos[ip].GetLabel(ilab);
1009 milab[ilab+3] = neg[in].GetLabel(ilab);
1010 }
1011 //
1012 CheckLabels2(milab);
1013 ratio = (pos[ip].GetQ()-neg[in].GetQ())/(pos[ip].GetQ()+neg[in].GetQ());
1014 milab[3]=(((ip<<10) + in)<<10) + idet; // pos|neg|det
1015 Int_t info[3] = {pos[ip].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
1016
d695268b 1017 lp[2]=0.0022*0.0022; //SigmaY2
1018 lp[3]=0.110*0.110; //SigmaZ2
1019 // out-of-diagonal element of covariance matrix
1020 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1021 else if ( (info[0]>1) && (info[1]>1) ) {
1022 lp[2]=0.0016*0.0016; //SigmaY2
1023 lp[3]=0.08*0.08; //SigmaZ2
1024 lp[5]=-0.00006;
1025 }
1026 else {
1027 lp[3]=0.0093*0.0093;
1028 if (info[0]==1) { lp[5]=-0.00014;}
1029 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1030 }
1031
a86176e3 1032 AliITSRecPoint * cl2;
1033 if(clusters){
1034
1035 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
a86176e3 1036 cl2->SetChargeRatio(ratio);
1037 cl2->SetType(5);
1038 fgPairs[ip*nn+in] = 5;
1039 if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster
1040 cl2->SetType(6);
1041 fgPairs[ip*nn+in] = 6;
1042 }
1043 }
1044 else{
1045 cl2 = new AliITSRecPoint(milab,lp,info);
1046 cl2->SetChargeRatio(ratio);
1047 cl2->SetType(5);
1048 fgPairs[ip*nn+in] = 5;
1049 if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster
1050 cl2->SetType(6);
1051 fgPairs[ip*nn+in] = 6;
1052 }
a86176e3 1053
1054 fDetTypeRec->AddRecPoint(*cl2);
1055 }
1056 ncl++;
04366a57 1057 }
04366a57 1058
a64f9843 1059
04366a57 1060 //
a86176e3 1061 // add second pair
00a7cc50 1062
a86176e3 1063 // if (!(cused1[ip2] || cused2[in])){ //
a64f9843 1064 if ( (fgPairs[ip2*nn+in]==100) && (pos[ip2].GetQ()) ) {
1065
d036ccd3 1066 Float_t yp=pos[ip2].GetY();
8be4e1b1 1067 Float_t yn=neg[in].GetY();
1068
1069 Float_t xt, zt;
1070 seg->GetPadCxz(yn, yp, xt, zt);
1071
1072 xbest=xt; zbest=zt;
2069484c 1073
a86176e3 1074 qbest =pos[ip2].GetQ();
a64f9843 1075
8be4e1b1 1076 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
a64f9843 1077 mT2L->MasterToLocal(loc,trk);
1078 lp[0]=trk[1];
1079 lp[1]=trk[2];
1080
a86176e3 1081 lp[4]=qbest; //Q
1082 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1083 for (Int_t ilab=0;ilab<3;ilab++){
1084 milab[ilab] = pos[ip2].GetLabel(ilab);
1085 milab[ilab+3] = neg[in].GetLabel(ilab);
00a7cc50 1086 }
a86176e3 1087 //
1088 CheckLabels2(milab);
1089 ratio = (pos[ip2].GetQ()-neg[in].GetQ())/(pos[ip2].GetQ()+neg[in].GetQ());
1090 milab[3]=(((ip2<<10) + in)<<10) + idet; // pos|neg|det
1091 Int_t info[3] = {pos[ip2].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
308b5ea4 1092
d695268b 1093 lp[2]=0.0022*0.0022; //SigmaY2
1094 lp[3]=0.110*0.110; //SigmaZ2
1095 // out-of-diagonal element of covariance matrix
1096 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1097 else if ( (info[0]>1) && (info[1]>1) ) {
1098 lp[2]=0.0016*0.0016; //SigmaY2
1099 lp[3]=0.08*0.08; //SigmaZ2
1100 lp[5]=-0.00006;
1101 }
1102 else {
1103 lp[3]=0.0093*0.0093;
1104 if (info[0]==1) { lp[5]=-0.00014;}
1105 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1106 }
1107
a86176e3 1108 AliITSRecPoint * cl2;
1109 if(clusters){
1110 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1111
a86176e3 1112 cl2->SetChargeRatio(ratio);
1113 cl2->SetType(5);
1114 fgPairs[ip2*nn+in] =5;
1115 if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster
1116 cl2->SetType(6);
1117 fgPairs[ip2*nn+in] =6;
1118 }
1119 }
1120 else{
1121 cl2 = new AliITSRecPoint(milab,lp,info);
1122 cl2->SetChargeRatio(ratio);
1123 cl2->SetType(5);
1124 fgPairs[ip2*nn+in] =5;
1125 if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster
1126 cl2->SetType(6);
1127 fgPairs[ip2*nn+in] =6;
1128 }
1129
a86176e3 1130 fDetTypeRec->AddRecPoint(*cl2);
1131 }
1132 ncl++;
a64f9843 1133 }
1134
a86176e3 1135 cused1[ip]++;
1136 cused1[ip2]++;
1137 cused2[in]++;
a64f9843 1138
1139 } // charge matching condition
1140
1141 } // 2 Pside cross 1 Nside
1142 } // loop over Pside clusters
a86176e3 1143
a64f9843 1144
1145
1146 //
1147 for (Int_t jn=0;jn<nn;jn++){
1148 if (cused2[jn]) continue;
8be4e1b1 1149 Float_t xbest=1000,zbest=1000,qbest=0;
a64f9843 1150 // select "silber" cluster
1151 if ( cpositive[jn]==1 && cnegative[positivepair[10*jn]]==2){
1152 Int_t ip = positivepair[10*jn];
1153 Int_t jn2 = negativepair[10*ip];
1154 if (jn2==jn) jn2 = negativepair[10*ip+1];
1155 Float_t pcharge = neg[jn].GetQ()+neg[jn2].GetQ();
04366a57 1156 //
a64f9843 1157
d695268b 1158
1159 ratio = (pcharge-pos[ip].GetQ())/(pcharge+pos[ip].GetQ());
1160 if ( (TMath::Abs(ratio)<0.2) && (pcharge!=0) ) {
1161
1162 /*
2069484c 1163 if ( (TMath::Abs(pcharge-pos[ip].GetQ())<30) && // charge matching
a64f9843 1164 (pcharge!=0) ) { // reject combinations of bad strips
d695268b 1165 */
1166
1167
a64f9843 1168 //
1169 // add first pair
1170 // if (!(cused1[ip]||cused2[jn])){
1171 if ( (fgPairs[ip*nn+jn]==100) && (neg[jn].GetQ()) ) { //
1172
d036ccd3 1173 Float_t yn=neg[jn].GetY();
8be4e1b1 1174 Float_t yp=pos[ip].GetY();
2069484c 1175
8be4e1b1 1176 Float_t xt, zt;
1177 seg->GetPadCxz(yn, yp, xt, zt);
1178
1179 xbest=xt; zbest=zt;
2069484c 1180
a64f9843 1181 qbest =neg[jn].GetQ();
d036ccd3 1182
a64f9843 1183 {
8be4e1b1 1184 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
a64f9843 1185 mT2L->MasterToLocal(loc,trk);
1186 lp[0]=trk[1];
1187 lp[1]=trk[2];
b4704be3 1188 }
04366a57 1189
1190 lp[4]=qbest; //Q
1191 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1192 for (Int_t ilab=0;ilab<3;ilab++){
1193 milab[ilab] = pos[ip].GetLabel(ilab);
1194 milab[ilab+3] = neg[jn].GetLabel(ilab);
1195 }
1196 //
1197 CheckLabels2(milab);
1198 ratio = (pos[ip].GetQ()-neg[jn].GetQ())/(pos[ip].GetQ()+neg[jn].GetQ());
1199 milab[3]=(((ip<<10) + jn)<<10) + idet; // pos|neg|det
1200 Int_t info[3] = {pos[ip].GetNd(),neg[jn].GetNd(),fNlayer[fModule]};
1201
d695268b 1202 lp[2]=0.0022*0.0022; //SigmaY2
1203 lp[3]=0.110*0.110; //SigmaZ2
1204 // out-of-diagonal element of covariance matrix
1205 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1206 else if ( (info[0]>1) && (info[1]>1) ) {
1207 lp[2]=0.0016*0.0016; //SigmaY2
1208 lp[3]=0.08*0.08; //SigmaZ2
1209 lp[5]=-0.00006;
1210 }
1211 else {
1212 lp[3]=0.0093*0.0093;
1213 if (info[0]==1) { lp[5]=-0.00014;}
1214 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1215 }
1216
00a7cc50 1217 AliITSRecPoint * cl2;
1218 if(clusters){
75fb37cc 1219 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 1220
00a7cc50 1221 cl2->SetChargeRatio(ratio);
1222 cl2->SetType(7);
308b5ea4 1223 fgPairs[ip*nn+jn] =7;
00a7cc50 1224 if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster
1225 cl2->SetType(8);
308b5ea4 1226 fgPairs[ip*nn+jn]=8;
00a7cc50 1227 }
1228
1229 }
04366a57 1230 else{
75fb37cc 1231 cl2 = new AliITSRecPoint(milab,lp,info);
00a7cc50 1232 cl2->SetChargeRatio(ratio);
1233 cl2->SetType(7);
308b5ea4 1234 fgPairs[ip*nn+jn] =7;
00a7cc50 1235 if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster
1236 cl2->SetType(8);
308b5ea4 1237 fgPairs[ip*nn+jn]=8;
00a7cc50 1238 }
1239
1240 fDetTypeRec->AddRecPoint(*cl2);
04366a57 1241 }
1242 ncl++;
04366a57 1243 }
1244 //
1245 // add second pair
1246 // if (!(cused1[ip]||cused2[jn2])){
a64f9843 1247 if ( (fgPairs[ip*nn+jn2]==100)&&(neg[jn2].GetQ() ) ) { //
1248
d036ccd3 1249 Float_t yn=neg[jn2].GetY();
1250 Double_t yp=pos[ip].GetY();
2069484c 1251
8be4e1b1 1252 Float_t xt, zt;
1253 seg->GetPadCxz(yn, yp, xt, zt);
1254
1255 xbest=xt; zbest=zt;
2069484c 1256
04366a57 1257 qbest =neg[jn2].GetQ();
d036ccd3 1258
b4704be3 1259 {
8be4e1b1 1260 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
b4704be3 1261 mT2L->MasterToLocal(loc,trk);
1262 lp[0]=trk[1];
1263 lp[1]=trk[2];
1264 }
d695268b 1265
04366a57 1266 lp[4]=qbest; //Q
1267 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1268 for (Int_t ilab=0;ilab<3;ilab++){
1269 milab[ilab] = pos[ip].GetLabel(ilab);
1270 milab[ilab+3] = neg[jn2].GetLabel(ilab);
1271 }
1272 //
1273 CheckLabels2(milab);
1274 ratio = (pos[ip].GetQ()-neg[jn2].GetQ())/(pos[ip].GetQ()+neg[jn2].GetQ());
1275 milab[3]=(((ip<<10) + jn2)<<10) + idet; // pos|neg|det
1276 Int_t info[3] = {pos[ip].GetNd(),neg[jn2].GetNd(),fNlayer[fModule]};
d695268b 1277
1278 lp[2]=0.0022*0.0022; //SigmaY2
1279 lp[3]=0.110*0.110; //SigmaZ2
1280 // out-of-diagonal element of covariance matrix
1281 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1282 else if ( (info[0]>1) && (info[1]>1) ) {
1283 lp[2]=0.0016*0.0016; //SigmaY2
1284 lp[3]=0.08*0.08; //SigmaZ2
1285 lp[5]=-0.00006;
1286 }
1287 else {
1288 lp[3]=0.0093*0.0093;
1289 if (info[0]==1) { lp[5]=-0.00014;}
1290 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1291 }
1292
00a7cc50 1293 AliITSRecPoint * cl2;
1294 if(clusters){
75fb37cc 1295 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 1296
308b5ea4 1297
00a7cc50 1298 cl2->SetChargeRatio(ratio);
308b5ea4 1299 fgPairs[ip*nn+jn2]=7;
00a7cc50 1300 cl2->SetType(7);
1301 if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster
1302 cl2->SetType(8);
308b5ea4 1303 fgPairs[ip*nn+jn2]=8;
00a7cc50 1304 }
1305
1306 }
04366a57 1307 else{
75fb37cc 1308 cl2 = new AliITSRecPoint(milab,lp,info);
00a7cc50 1309 cl2->SetChargeRatio(ratio);
308b5ea4 1310 fgPairs[ip*nn+jn2]=7;
00a7cc50 1311 cl2->SetType(7);
1312 if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster
1313 cl2->SetType(8);
308b5ea4 1314 fgPairs[ip*nn+jn2]=8;
00a7cc50 1315 }
308b5ea4 1316
00a7cc50 1317 fDetTypeRec->AddRecPoint(*cl2);
04366a57 1318 }
1319
1320 ncl++;
04366a57 1321 }
1322 cused1[ip]++;
1323 cused2[jn]++;
1324 cused2[jn2]++;
308b5ea4 1325
a64f9843 1326 } // charge matching condition
1327
1328 } // 2 Nside cross 1 Pside
1329 } // loop over Pside clusters
1330
1331
1332
1333 for (Int_t ip=0;ip<np;ip++){
d695268b 1334
1335 if(cused1[ip]) continue;
1336
1337
8be4e1b1 1338 Float_t xbest=1000,zbest=1000,qbest=0;
04366a57 1339 //
a64f9843 1340 // 2x2 clusters
04366a57 1341 //
d695268b 1342 if ( (cnegative[ip]==2) && cpositive[negativepair[10*ip]]==2){
1343 Float_t minchargediff =4.;
1344 Float_t minchargeratio =0.2;
1345
1346 Int_t j=-1;
1347 for (Int_t di=0;di<cnegative[ip];di++){
1348 Int_t jc = negativepair[ip*10+di];
1349 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1350 ratio = (pos[ip].GetQ()-neg[jc].GetQ())/(pos[ip].GetQ()+neg[jc].GetQ());
1351 //if (TMath::Abs(chargedif)<minchargediff){
1352 if (TMath::Abs(ratio)<0.2){
1353 j =jc;
1354 minchargediff = TMath::Abs(chargedif);
1355 minchargeratio = TMath::Abs(ratio);
1356 }
1357 }
1358 if (j<0) continue; // not proper cluster
1359
1360
1361 Int_t count =0;
1362 for (Int_t di=0;di<cnegative[ip];di++){
1363 Int_t jc = negativepair[ip*10+di];
1364 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1365 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
1366 }
1367 if (count>1) continue; // more than one "proper" cluster for positive
1368 //
1369
1370 count =0;
1371 for (Int_t dj=0;dj<cpositive[j];dj++){
1372 Int_t ic = positivepair[j*10+dj];
1373 Float_t chargedif = pos[ic].GetQ()-neg[j].GetQ();
1374 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
1375 }
1376 if (count>1) continue; // more than one "proper" cluster for negative
1377
1378 Int_t jp = 0;
1379
1380 count =0;
1381 for (Int_t dj=0;dj<cnegative[jp];dj++){
1382 Int_t ic = positivepair[jp*10+dj];
1383 Float_t chargedif = pos[ic].GetQ()-neg[jp].GetQ();
1384 if (TMath::Abs(chargedif)<minchargediff+4.) count++;
1385 }
1386 if (count>1) continue;
1387 if (fgPairs[ip*nn+j]<100) continue;
1388 //
1389
1390
1391
1392 //almost gold clusters
1393 Float_t yp=pos[ip].GetY();
1394 Float_t yn=neg[j].GetY();
1395 Float_t xt, zt;
1396 seg->GetPadCxz(yn, yp, xt, zt);
1397 xbest=xt; zbest=zt;
1398 qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
1399 {
1400 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
1401 mT2L->MasterToLocal(loc,trk);
1402 lp[0]=trk[1];
1403 lp[1]=trk[2];
1404 }
1405 lp[4]=qbest; //Q
1406 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1407 for (Int_t ilab=0;ilab<3;ilab++){
1408 milab[ilab] = pos[ip].GetLabel(ilab);
1409 milab[ilab+3] = neg[j].GetLabel(ilab);
1410 }
1411 //
1412 CheckLabels2(milab);
1413 if ((neg[j].GetQ()==0)&&(pos[ip].GetQ()==0)) continue; // reject crosses of bad strips!!
1414 ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
1415 milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
1416 Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
1417
1418 lp[2]=0.0022*0.0022; //SigmaY2
1419 lp[3]=0.110*0.110; //SigmaZ2
1420 // out-of-diagonal element of covariance matrix
1421 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1422 else if ( (info[0]>1) && (info[1]>1) ) {
1423 lp[2]=0.0016*0.0016; //SigmaY2
1424 lp[3]=0.08*0.08; //SigmaZ2
1425 lp[5]=-0.00006;
1426 }
1427 else {
1428 lp[3]=0.0093*0.0093;
1429 if (info[0]==1) { lp[5]=-0.00014;}
1430 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1431 }
1432
1433 AliITSRecPoint * cl2;
1434 if(clusters){
1435 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1436
1437 cl2->SetChargeRatio(ratio);
1438 cl2->SetType(10);
1439 fgPairs[ip*nn+j]=10;
1440 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
1441 cl2->SetType(11);
1442 fgPairs[ip*nn+j]=11;
1443 }
1444 cused1[ip]++;
1445 cused2[j]++;
1446 }
1447 else{
1448 cl2 = new AliITSRecPoint(milab,lp,info);
1449 cl2->SetChargeRatio(ratio);
1450 cl2->SetType(10);
1451 fgPairs[ip*nn+j]=10;
1452 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
1453 cl2->SetType(11);
1454 fgPairs[ip*nn+j]=11;
1455 }
1456 cused1[ip]++;
1457 cused2[j]++;
1458
1459 fDetTypeRec->AddRecPoint(*cl2);
1460 }
1461 ncl++;
1462
1463 } // 2X2
1464 } // loop over Pside 1Dclusters
1465
1466
1467
1468 for (Int_t ip=0;ip<np;ip++){
1469
1470 if(cused1[ip]) continue;
1471
1472
1473 Float_t xbest=1000,zbest=1000,qbest=0;
1474 //
1475 // manyxmany clusters
1476 //
a64f9843 1477 if ( (cnegative[ip]<5) && cpositive[negativepair[10*ip]]<5){
1478 Float_t minchargediff =4.;
1479 Int_t j=-1;
1480 for (Int_t di=0;di<cnegative[ip];di++){
1481 Int_t jc = negativepair[ip*10+di];
1482 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1483 if (TMath::Abs(chargedif)<minchargediff){
1484 j =jc;
1485 minchargediff = TMath::Abs(chargedif);
1486 }
00a7cc50 1487 }
a64f9843 1488 if (j<0) continue; // not proper cluster
1489
1490 Int_t count =0;
1491 for (Int_t di=0;di<cnegative[ip];di++){
1492 Int_t jc = negativepair[ip*10+di];
1493 Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
1494 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
00a7cc50 1495 }
a64f9843 1496 if (count>1) continue; // more than one "proper" cluster for positive
1497 //
00a7cc50 1498
a64f9843 1499 count =0;
1500 for (Int_t dj=0;dj<cpositive[j];dj++){
1501 Int_t ic = positivepair[j*10+dj];
1502 Float_t chargedif = pos[ic].GetQ()-neg[j].GetQ();
1503 if (TMath::Abs(chargedif)<minchargediff+3.) count++;
1504 }
1505 if (count>1) continue; // more than one "proper" cluster for negative
1506
1507 Int_t jp = 0;
1508
1509 count =0;
1510 for (Int_t dj=0;dj<cnegative[jp];dj++){
1511 Int_t ic = positivepair[jp*10+dj];
1512 Float_t chargedif = pos[ic].GetQ()-neg[jp].GetQ();
1513 if (TMath::Abs(chargedif)<minchargediff+4.) count++;
1514 }
1515 if (count>1) continue;
1516 if (fgPairs[ip*nn+j]<100) continue;
1517 //
1518
1519 //almost gold clusters
d036ccd3 1520 Float_t yp=pos[ip].GetY();
1521 Float_t yn=neg[j].GetY();
1522
8be4e1b1 1523
1524 Float_t xt, zt;
1525 seg->GetPadCxz(yn, yp, xt, zt);
1526
1527 xbest=xt; zbest=zt;
1528
a64f9843 1529 qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
d036ccd3 1530
a64f9843 1531 {
8be4e1b1 1532 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
a64f9843 1533 mT2L->MasterToLocal(loc,trk);
1534 lp[0]=trk[1];
1535 lp[1]=trk[2];
1536 }
a64f9843 1537 lp[4]=qbest; //Q
1538 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1539 for (Int_t ilab=0;ilab<3;ilab++){
1540 milab[ilab] = pos[ip].GetLabel(ilab);
1541 milab[ilab+3] = neg[j].GetLabel(ilab);
1542 }
1543 //
1544 CheckLabels2(milab);
db6e54cd 1545 if ((neg[j].GetQ()==0)&&(pos[ip].GetQ()==0)) continue; // reject crosses of bad strips!!
a64f9843 1546 ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
1547 milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
1548 Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
d695268b 1549
1550 lp[2]=0.0022*0.0022; //SigmaY2
1551 lp[3]=0.110*0.110; //SigmaZ2
1552 // out-of-diagonal element of covariance matrix
1553 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1554 else if ( (info[0]>1) && (info[1]>1) ) {
1555 lp[2]=0.0016*0.0016; //SigmaY2
1556 lp[3]=0.08*0.08; //SigmaZ2
1557 lp[5]=-0.00006;
1558 }
1559 else {
1560 lp[3]=0.0093*0.0093;
1561 if (info[0]==1) { lp[5]=-0.00014;}
1562 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1563 }
1564
a64f9843 1565 AliITSRecPoint * cl2;
1566 if(clusters){
1567 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
d036ccd3 1568
a64f9843 1569 cl2->SetChargeRatio(ratio);
d695268b 1570 cl2->SetType(12);
1571 fgPairs[ip*nn+j]=12;
a64f9843 1572 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
d695268b 1573 cl2->SetType(13);
1574 fgPairs[ip*nn+j]=13;
a64f9843 1575 }
1576 cused1[ip]++;
1577 cused2[j]++;
1578 }
1579 else{
1580 cl2 = new AliITSRecPoint(milab,lp,info);
1581 cl2->SetChargeRatio(ratio);
d695268b 1582 cl2->SetType(12);
1583 fgPairs[ip*nn+j]=12;
a64f9843 1584 if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
d695268b 1585 cl2->SetType(13);
1586 fgPairs[ip*nn+j]=13;
a64f9843 1587 }
1588 cused1[ip]++;
1589 cused2[j]++;
1590
a64f9843 1591 fDetTypeRec->AddRecPoint(*cl2);
1592 }
1593 ncl++;
1594
1595 } // manyXmany
1596 } // loop over Pside 1Dclusters
1597
a64f9843 1598 } // use charge matching
1599
04366a57 1600
a64f9843 1601 // recover all the other crosses
04366a57 1602 //
1603 for (Int_t i=0; i<np; i++) {
8be4e1b1 1604 Float_t xbest=1000,zbest=1000,qbest=0;
d036ccd3 1605 Float_t yp=pos[i].GetY();
a64f9843 1606 if ((pos[i].GetQ()>0)&&(pos[i].GetQ()<3)) continue;
04366a57 1607 for (Int_t j=0; j<nn; j++) {
1608 // for (Int_t di = 0;di<cpositive[i];di++){
1609 // Int_t j = negativepair[10*i+di];
a64f9843 1610 if ((neg[j].GetQ()>0)&&(neg[j].GetQ()<3)) continue;
1611
1612 if ((neg[j].GetQ()==0)&&(pos[i].GetQ()==0)) continue; // reject crosses of bad strips!!
1613
04366a57 1614 if (cused2[j]||cused1[i]) continue;
308b5ea4 1615 if (fgPairs[i*nn+j]>0 &&fgPairs[i*nn+j]<100) continue;
04366a57 1616 ratio = (pos[i].GetQ()-neg[j].GetQ())/(pos[i].GetQ()+neg[j].GetQ());
d036ccd3 1617 Float_t yn=neg[j].GetY();
1618
8be4e1b1 1619 Float_t xt, zt;
1620 seg->GetPadCxz(yn, yp, xt, zt);
d036ccd3 1621
8be4e1b1 1622 if (TMath::Abs(xt)<hwSSD+0.01)
1623 if (TMath::Abs(zt)<hlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) {
1624 xbest=xt; zbest=zt;
1625
04366a57 1626 qbest=0.5*(pos[i].GetQ()+neg[j].GetQ());
d036ccd3 1627
b4704be3 1628 {
8be4e1b1 1629 Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
b4704be3 1630 mT2L->MasterToLocal(loc,trk);
1631 lp[0]=trk[1];
1632 lp[1]=trk[2];
1633 }
04366a57 1634 lp[4]=qbest; //Q
1635 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1636 for (Int_t ilab=0;ilab<3;ilab++){
1637 milab[ilab] = pos[i].GetLabel(ilab);
1638 milab[ilab+3] = neg[j].GetLabel(ilab);
1639 }
1640 //
1641 CheckLabels2(milab);
1642 milab[3]=(((i<<10) + j)<<10) + idet; // pos|neg|det
1643 Int_t info[3] = {pos[i].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
d695268b 1644
1645 lp[2]=0.0022*0.0022; //SigmaY2
1646 lp[3]=0.110*0.110; //SigmaZ2
1647 // out-of-diagonal element of covariance matrix
1648 if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
1649 else if ( (info[0]>1) && (info[1]>1) ) {
1650 lp[2]=0.0016*0.0016; //SigmaY2
1651 lp[3]=0.08*0.08; //SigmaZ2
1652 lp[5]=-0.00006;
1653 }
1654 else {
1655 lp[3]=0.0093*0.0093;
1656 if (info[0]==1) { lp[5]=-0.00014;}
1657 else { lp[2]=0.0017*0.0017; lp[5]=-0.00004;}
1658 }
1659
00a7cc50 1660 AliITSRecPoint * cl2;
1661 if(clusters){
75fb37cc 1662 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
308b5ea4 1663
00a7cc50 1664 cl2->SetChargeRatio(ratio);
1665 cl2->SetType(100+cpositive[j]+cnegative[i]);
a64f9843 1666
1667 if(pos[i].GetQ()==0) cl2->SetType(200+cpositive[j]+cnegative[i]);
1668 if(neg[j].GetQ()==0) cl2->SetType(300+cpositive[j]+cnegative[i]);
1669
00a7cc50 1670 }
04366a57 1671 else{
75fb37cc 1672 cl2 = new AliITSRecPoint(milab,lp,info);
00a7cc50 1673 cl2->SetChargeRatio(ratio);
1674 cl2->SetType(100+cpositive[j]+cnegative[i]);
308b5ea4 1675
a64f9843 1676 if(pos[i].GetQ()==0) cl2->SetType(200+cpositive[j]+cnegative[i]);
1677 if(neg[j].GetQ()==0) cl2->SetType(300+cpositive[j]+cnegative[i]);
308b5ea4 1678
00a7cc50 1679 fDetTypeRec->AddRecPoint(*cl2);
04366a57 1680 }
1681 ncl++;
04366a57 1682 }
1683 }
1684 }
d695268b 1685
1686
1687 //---------------------------------------------------------
1688 // recover crosses of good 1D clusters with bad strips on the other side
1689 // Note1: at first iteration skip modules with a bad side (or almost), (would produce too many fake!)
1690 // Note2: for modules with a bad side see below
1691
1692 AliITSCalibrationSSD* cal = (AliITSCalibrationSSD*)GetResp(fModule);
1693 Int_t countPbad=0, countNbad=0;
1694 for(Int_t ib=0; ib<768; ib++) {
1695 if(cal->IsPChannelBad(ib)) countPbad++;
1696 if(cal->IsNChannelBad(ib)) countNbad++;
1697 }
1698 // AliInfo(Form("module %d has %d P- and %d N-bad strips",fModule,countPbad,countNbad));
1699
1700 if( (countPbad<100) && (countNbad<100) ) { // no bad side!!
1701
1702 for (Int_t i=0; i<np; i++) { // loop over Nside 1Dclusters with no crosses
1703 if(cnegative[i]) continue; // if intersecting Pside clusters continue;
1704
1705 // for(Int_t ib=0; ib<768; ib++) { // loop over all Pstrips
1706 for(Int_t ib=15; ib<753; ib++) { // loop over all Pstrips
1707
1708 if(cal->IsPChannelBad(ib)) { // check if strips is bad
1709 Float_t yN=pos[i].GetY();
1710 Float_t xt, zt;
1711 seg->GetPadCxz(1.*ib, yN, xt, zt);
1712
1713 //----------
1714 // bad Pstrip is crossing the Nside 1Dcluster -> create recpoint
1715 //
1716 if ( (TMath::Abs(xt)<hwSSD+0.01) && (TMath::Abs(zt)<hlSSD+0.01) ) {
1717 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1718 mT2L->MasterToLocal(loc,trk);
1719 lp[0]=trk[1];
1720 lp[1]=trk[2];
1721 lp[4]=pos[i].GetQ(); //Q
1722 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1723 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = pos[i].GetLabel(ilab);
1724 CheckLabels2(milab);
1725 milab[3]=( (i<<10) << 10 ) + idet; // pos|neg|det
1726 Int_t info[3] = {pos[i].GetNd(),0,fNlayer[fModule]};
1727
1728 // out-of-diagonal element of covariance matrix
1729 if (info[0]==1) lp[5]=0.0065;
1730 else lp[5]=0.0093;
1731
1732 lp[2]=0.0022*0.0022; //SigmaY2
1733 lp[3]=0.110*0.110; //SigmaZ2
1734 lp[5]=-0.00012; // out-of-diagonal element of covariance matrix
1735
1736 AliITSRecPoint * cl2;
1737 if(clusters){
1738 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1739 cl2->SetChargeRatio(1.);
1740 cl2->SetType(50);
1741 }
1742 else{
1743 cl2 = new AliITSRecPoint(milab,lp,info);
1744 cl2->SetChargeRatio(1.);
1745 cl2->SetType(50);
1746 fDetTypeRec->AddRecPoint(*cl2);
1747 }
1748 ncl++;
1749 } // cross is within the detector
1750 //
1751 //--------------
1752
1753 } // bad Pstrip
1754
1755 } // end loop over Pstrips
1756
1757 } // end loop over Nside 1D clusters
1758
1759 for (Int_t j=0; j<nn; j++) { // loop over Pside 1D clusters with no crosses
1760 if(cpositive[j]) continue;
1761
1762 // for(Int_t ib=0; ib<768; ib++) { // loop over all Nside strips
1763 for(Int_t ib=15; ib<753; ib++) { // loop over all Nside strips
1764
1765 if(cal->IsNChannelBad(ib)) { // check if strip is bad
1766 Float_t yP=neg[j].GetY();
1767 Float_t xt, zt;
1768 seg->GetPadCxz(yP, 1.*ib, xt, zt);
1769
1770 //----------
1771 // bad Nstrip is crossing the Pside 1Dcluster -> create recpoint
1772 //
1773 if ( (TMath::Abs(xt)<hwSSD+0.01) && (TMath::Abs(zt)<hlSSD+0.01) ) {
1774 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1775 mT2L->MasterToLocal(loc,trk);
1776 lp[0]=trk[1];
1777 lp[1]=trk[2];
1778 lp[4]=neg[j].GetQ(); //Q
1779 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1780 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = neg[j].GetLabel(ilab);
1781 CheckLabels2(milab);
1782 milab[3]=( j << 10 ) + idet; // pos|neg|det
9590c396 1783 Int_t info[3]={0,(Int_t)neg[j].GetNd(),fNlayer[fModule]};
d695268b 1784
9590c396 1785 lp[2]=0.0022*0.0022; //SigmaY2
1786 lp[3]=0.110*0.110; //SigmaZ2
1787 lp[5]=-0.00012; // out-of-diagonal element of covariance matrix
d695268b 1788
1789 AliITSRecPoint * cl2;
1790 if(clusters){
1791 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1792 cl2->SetChargeRatio(1.);
1793 cl2->SetType(60);
1794 }
1795 else{
1796 cl2 = new AliITSRecPoint(milab,lp,info);
1797 cl2->SetChargeRatio(1.);
1798 cl2->SetType(60);
1799 fDetTypeRec->AddRecPoint(*cl2);
1800 }
1801 ncl++;
1802 } // cross is within the detector
1803 //
1804 //--------------
1805
1806 } // bad Nstrip
1807 } // end loop over Nstrips
1808 } // end loop over Pside 1D clusters
1809
1810 } // no bad sides
1811
1812 //---------------------------------------------------------
1813
1814 else if( (countPbad>700) && (countNbad<100) ) { // bad Pside!!
1815
1816 for (Int_t i=0; i<np; i++) { // loop over Nside 1Dclusters with no crosses
1817 if(cnegative[i]) continue; // if intersecting Pside clusters continue;
1818
1819 Float_t xt, zt;
1820 Float_t yN=pos[i].GetY();
1821 Float_t yP=0.;
1822 if (seg->GetLayer()==5) yP = yN + (7.6/1.9);
1823 else yP = yN - (7.6/1.9);
1824 seg->GetPadCxz(yP, yN, xt, zt);
1825
1826 if ( (TMath::Abs(xt)<hwSSD+0.01) && (TMath::Abs(zt)<hlSSD+0.01) ) {
1827 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1828 mT2L->MasterToLocal(loc,trk);
1829 lp[0]=trk[1];
1830 lp[1]=trk[2];
1831 lp[4]=pos[i].GetQ(); //Q
1832 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1833 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = pos[i].GetLabel(ilab);
1834 CheckLabels2(milab);
1835 milab[3]=( (i<<10) << 10 ) + idet; // pos|neg|det
9590c396 1836 Int_t info[3] = {(Int_t)pos[i].GetNd(),0,fNlayer[fModule]};
d695268b 1837
1838 lp[2]=0.031*0.031; //SigmaY2
1839 lp[3]=1.15*1.15; //SigmaZ2
1840 lp[5]=-0.036;
1841
1842 AliITSRecPoint * cl2;
1843 if(clusters){
1844 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1845 cl2->SetChargeRatio(1.);
1846 cl2->SetType(70);
1847 }
1848 else{
1849 cl2 = new AliITSRecPoint(milab,lp,info);
1850 cl2->SetChargeRatio(1.);
1851 cl2->SetType(70);
1852 fDetTypeRec->AddRecPoint(*cl2);
1853 }
1854 ncl++;
1855 } // cross is within the detector
1856 //
1857 //--------------
1858
1859 } // end loop over Nside 1D clusters
1860
1861 } // bad Pside module
1862
1863 else if( (countNbad>700) && (countPbad<100) ) { // bad Nside!!
1864
1865 for (Int_t j=0; j<nn; j++) { // loop over Pside 1D clusters with no crosses
1866 if(cpositive[j]) continue;
1867
1868 Float_t xt, zt;
1869 Float_t yP=neg[j].GetY();
1870 Float_t yN=0.;
1871 if (seg->GetLayer()==5) yN = yP - (7.6/1.9);
1872 else yN = yP + (7.6/1.9);
1873 seg->GetPadCxz(yP, yN, xt, zt);
1874
1875 if ( (TMath::Abs(xt)<hwSSD+0.01) && (TMath::Abs(zt)<hlSSD+0.01) ) {
1876 Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
1877 mT2L->MasterToLocal(loc,trk);
1878 lp[0]=trk[1];
1879 lp[1]=trk[2];
1880 lp[4]=neg[j].GetQ(); //Q
1881 for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
1882 for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = neg[j].GetLabel(ilab);
1883 CheckLabels2(milab);
1884 milab[3]=( j << 10 ) + idet; // pos|neg|det
9590c396 1885 Int_t info[3] = {0,(Int_t)neg[j].GetNd(),fNlayer[fModule]};
d695268b 1886
1887 lp[2]=0.0085*0.0085; //SigmaY2
1888 lp[3]=1.15*1.15; //SigmaZ2
1889 lp[5]=0.0093;
1890
1891 AliITSRecPoint * cl2;
1892 if(clusters){
1893 cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
1894 cl2->SetChargeRatio(1.);
1895 cl2->SetType(80);
1896 }
1897 else{
1898 cl2 = new AliITSRecPoint(milab,lp,info);
1899 cl2->SetChargeRatio(1.);
1900 cl2->SetType(80);
1901 fDetTypeRec->AddRecPoint(*cl2);
1902 }
1903 ncl++;
1904 } // cross is within the detector
1905 //
1906 //--------------
1907
1908 } // end loop over Pside 1D clusters
1909
1910 } // bad Nside module
1911
1912 //---------------------------------------------------------
1913
1914 //cout<<ncl<<" clusters for this module"<<endl;
1915
8be4e1b1 1916 delete [] cnegative;
1917 delete [] cused1;
1918 delete [] negativepair;
1919 delete [] cpositive;
1920 delete [] cused2;
1921 delete [] positivepair;
04366a57 1922
04366a57 1923}