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1 | /************************************************************************** | |
2 | * Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | //////////////////////////////////////////////////////////////////////////// | |
16 | // Implementation of the ITS clusterer V2 class // | |
17 | // // | |
18 | // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch // | |
19 | // // | |
20 | /////////////////////////////////////////////////////////////////////////// | |
21 | ||
22 | ||
23 | #include "AliITSClusterFinderV2SSD.h" | |
24 | #include "AliITSRecPoint.h" | |
25 | #include "AliITSgeomTGeo.h" | |
26 | #include "AliITSDetTypeRec.h" | |
27 | #include "AliRawReader.h" | |
28 | #include "AliITSRawStreamSSD.h" | |
29 | #include <TClonesArray.h> | |
30 | #include "AliITSdigitSSD.h" | |
31 | #include "AliITSCalibrationSSD.h" | |
32 | ||
33 | Short_t *AliITSClusterFinderV2SSD::fPairs = 0x0; | |
34 | Int_t AliITSClusterFinderV2SSD::fPairsSize = 0; | |
35 | ||
36 | ClassImp(AliITSClusterFinderV2SSD) | |
37 | ||
38 | ||
39 | AliITSClusterFinderV2SSD::AliITSClusterFinderV2SSD(AliITSDetTypeRec* dettyp):AliITSClusterFinderV2(dettyp), | |
40 | fLastSSD1(AliITSgeomTGeo::GetModuleIndex(6,1,1)-1), | |
41 | fYpitchSSD(0.0095), | |
42 | fHwSSD(3.65), | |
43 | fHlSSD(2.00), | |
44 | fTanP(0.0275), | |
45 | fTanN(0.0075){ | |
46 | ||
47 | //Default constructor | |
48 | ||
49 | } | |
50 | ||
51 | ||
52 | void AliITSClusterFinderV2SSD::FindRawClusters(Int_t mod){ | |
53 | ||
54 | //Find clusters V2 | |
55 | SetModule(mod); | |
56 | FindClustersSSD(fDigits); | |
57 | ||
58 | } | |
59 | ||
60 | void AliITSClusterFinderV2SSD::FindClustersSSD(TClonesArray *alldigits) { | |
61 | //------------------------------------------------------------ | |
62 | // Actual SSD cluster finder | |
63 | //------------------------------------------------------------ | |
64 | AliITSCalibrationSSD* cal = (AliITSCalibrationSSD*)GetResp(fModule); | |
65 | Float_t gain=0; | |
66 | ||
67 | Int_t smaxall=alldigits->GetEntriesFast(); | |
68 | if (smaxall==0) return; | |
69 | // TObjArray *digits = new TObjArray; | |
70 | TObjArray digits; | |
71 | for (Int_t i=0;i<smaxall; i++){ | |
72 | AliITSdigitSSD *d=(AliITSdigitSSD*)alldigits->UncheckedAt(i); | |
73 | ||
74 | if(d->IsSideP()) gain = cal->GetGainP(d->GetStripNumber()); | |
75 | else gain = cal->GetGainN(d->GetStripNumber()); | |
76 | ||
77 | Float_t q=gain*d->GetSignal(); // calibration brings mip peaks around 120 (in ADC units) | |
78 | q=cal->ADCToKeV(q); // converts the charge in KeV from ADC units | |
79 | //Float_t q=d->GetSignal()/4.29;// temp. fix (for PID purposed - normalis. to be checked) | |
80 | d->SetSignal(Int_t(q)); | |
81 | ||
82 | if (d->GetSignal()<3) continue; | |
83 | digits.AddLast(d); | |
84 | } | |
85 | Int_t smax = digits.GetEntriesFast(); | |
86 | if (smax==0) return; | |
87 | ||
88 | const Int_t kMax=1000; | |
89 | Int_t np=0, nn=0; | |
90 | Ali1Dcluster pos[kMax], neg[kMax]; | |
91 | Float_t y=0., q=0., qmax=0.; | |
92 | Int_t lab[4]={-2,-2,-2,-2}; | |
93 | ||
94 | AliITSdigitSSD *d=(AliITSdigitSSD*)digits.UncheckedAt(0); | |
95 | q += d->GetSignal(); | |
96 | y += d->GetCoord2()*d->GetSignal(); | |
97 | qmax=d->GetSignal(); | |
98 | lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2); | |
99 | Int_t curr=d->GetCoord2(); | |
100 | Int_t flag=d->GetCoord1(); | |
101 | Int_t *n=&nn; | |
102 | Ali1Dcluster *c=neg; | |
103 | Int_t nd=1; | |
104 | Int_t milab[10]; | |
105 | for (Int_t ilab=0;ilab<10;ilab++){ | |
106 | milab[ilab]=-2; | |
107 | } | |
108 | milab[0]=d->GetTrack(0); milab[1]=d->GetTrack(1); milab[2]=d->GetTrack(2); | |
109 | ||
110 | for (Int_t s=1; s<smax; s++) { | |
111 | d=(AliITSdigitSSD*)digits.UncheckedAt(s); | |
112 | Int_t strip=d->GetCoord2(); | |
113 | if ((strip-curr) > 1 || flag!=d->GetCoord1()) { | |
114 | c[*n].SetY(y/q); | |
115 | c[*n].SetQ(q); | |
116 | c[*n].SetNd(nd); | |
117 | CheckLabels2(milab); | |
118 | c[*n].SetLabels(milab); | |
119 | //Split suspiciously big cluster | |
120 | /* | |
121 | if (nd>10&&nd<16){ | |
122 | c[*n].SetY(y/q-0.3*nd); | |
123 | c[*n].SetQ(0.5*q); | |
124 | (*n)++; | |
125 | if (*n==MAX) { | |
126 | Error("FindClustersSSD","Too many 1D clusters !"); | |
127 | return; | |
128 | } | |
129 | c[*n].SetY(y/q-0.0*nd); | |
130 | c[*n].SetQ(0.5*q); | |
131 | c[*n].SetNd(nd); | |
132 | (*n)++; | |
133 | if (*n==MAX) { | |
134 | Error("FindClustersSSD","Too many 1D clusters !"); | |
135 | return; | |
136 | } | |
137 | // | |
138 | c[*n].SetY(y/q+0.3*nd); | |
139 | c[*n].SetQ(0.5*q); | |
140 | c[*n].SetNd(nd); | |
141 | c[*n].SetLabels(milab); | |
142 | } | |
143 | else{ | |
144 | */ | |
145 | if (nd>4&&nd<25) { | |
146 | c[*n].SetY(y/q-0.25*nd); | |
147 | c[*n].SetQ(0.5*q); | |
148 | (*n)++; | |
149 | if (*n==kMax) { | |
150 | Error("FindClustersSSD","Too many 1D clusters !"); | |
151 | return; | |
152 | } | |
153 | c[*n].SetY(y/q+0.25*nd); | |
154 | c[*n].SetQ(0.5*q); | |
155 | c[*n].SetNd(nd); | |
156 | c[*n].SetLabels(milab); | |
157 | } | |
158 | (*n)++; | |
159 | if (*n==kMax) { | |
160 | Error("FindClustersSSD","Too many 1D clusters !"); | |
161 | return; | |
162 | } | |
163 | y=q=qmax=0.; | |
164 | nd=0; | |
165 | lab[0]=lab[1]=lab[2]=-2; | |
166 | // | |
167 | for (Int_t ilab=0;ilab<10;ilab++){ | |
168 | milab[ilab]=-2; | |
169 | } | |
170 | // | |
171 | if (flag!=d->GetCoord1()) { n=&np; c=pos; } | |
172 | } | |
173 | flag=d->GetCoord1(); | |
174 | q += d->GetSignal(); | |
175 | y += d->GetCoord2()*d->GetSignal(); | |
176 | nd++; | |
177 | if (d->GetSignal()>qmax) { | |
178 | qmax=d->GetSignal(); | |
179 | lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2); | |
180 | } | |
181 | for (Int_t ilab=0;ilab<10;ilab++) { | |
182 | if (d->GetTrack(ilab)>=0) AddLabel(milab, (d->GetTrack(ilab))); | |
183 | } | |
184 | curr=strip; | |
185 | } | |
186 | c[*n].SetY(y/q); | |
187 | c[*n].SetQ(q); | |
188 | c[*n].SetNd(nd); | |
189 | c[*n].SetLabels(lab); | |
190 | //Split suspiciously big cluster | |
191 | if (nd>4 && nd<25) { | |
192 | c[*n].SetY(y/q-0.25*nd); | |
193 | c[*n].SetQ(0.5*q); | |
194 | (*n)++; | |
195 | if (*n==kMax) { | |
196 | Error("FindClustersSSD","Too many 1D clusters !"); | |
197 | return; | |
198 | } | |
199 | c[*n].SetY(y/q+0.25*nd); | |
200 | c[*n].SetQ(0.5*q); | |
201 | c[*n].SetNd(nd); | |
202 | c[*n].SetLabels(lab); | |
203 | } | |
204 | (*n)++; | |
205 | if (*n==kMax) { | |
206 | Error("FindClustersSSD","Too many 1D clusters !"); | |
207 | return; | |
208 | } | |
209 | ||
210 | FindClustersSSD(neg, nn, pos, np); | |
211 | } | |
212 | ||
213 | ||
214 | void AliITSClusterFinderV2SSD::RawdataToClusters(AliRawReader* rawReader,TClonesArray** clusters){ | |
215 | ||
216 | //------------------------------------------------------------ | |
217 | // This function creates ITS clusters from raw data | |
218 | //------------------------------------------------------------ | |
219 | rawReader->Reset(); | |
220 | AliITSRawStreamSSD inputSSD(rawReader); | |
221 | FindClustersSSD(&inputSSD,clusters); | |
222 | ||
223 | } | |
224 | ||
225 | void AliITSClusterFinderV2SSD::FindClustersSSD(AliITSRawStreamSSD* input, | |
226 | TClonesArray** clusters) | |
227 | { | |
228 | //------------------------------------------------------------ | |
229 | // Actual SSD cluster finder for raw data | |
230 | //------------------------------------------------------------ | |
231 | Int_t nClustersSSD = 0; | |
232 | const Int_t kMax = 1000; | |
233 | Ali1Dcluster clusters1D[2][kMax]; | |
234 | Int_t nClusters[2] = {0, 0}; | |
235 | Int_t lab[3]={-2,-2,-2}; | |
236 | Float_t q = 0.; | |
237 | Float_t y = 0.; | |
238 | Int_t nDigits = 0; | |
239 | Int_t prevStrip = -1; | |
240 | Int_t prevFlag = -1; | |
241 | Int_t prevModule = -1; | |
242 | Float_t gain=0; | |
243 | AliITSCalibrationSSD* cal=NULL; | |
244 | ||
245 | ||
246 | // read raw data input stream | |
247 | while (kTRUE) { | |
248 | Bool_t next = input->Next(); | |
249 | ||
250 | if(input->GetSignal()<(3*4.) && next) continue; | |
251 | // check if a new cluster starts | |
252 | Int_t strip = input->GetCoord2(); | |
253 | Int_t flag = input->GetCoord1(); | |
254 | if ((!next || (input->GetModuleID() != prevModule)|| | |
255 | (strip-prevStrip > 1) || (flag != prevFlag)) && | |
256 | (nDigits > 0)) { | |
257 | if (nClusters[prevFlag] == kMax) { | |
258 | Error("FindClustersSSD", "Too many 1D clusters !"); | |
259 | return; | |
260 | } | |
261 | Ali1Dcluster& cluster = clusters1D[prevFlag][nClusters[prevFlag]++]; | |
262 | cluster.SetY(y/q); | |
263 | cluster.SetQ(q); | |
264 | cluster.SetNd(nDigits); | |
265 | cluster.SetLabels(lab); | |
266 | ||
267 | //Split suspiciously big cluster | |
268 | if (nDigits > 4&&nDigits < 25) { | |
269 | cluster.SetY(y/q - 0.25*nDigits); | |
270 | cluster.SetQ(0.5*q); | |
271 | if (nClusters[prevFlag] == kMax) { | |
272 | Error("FindClustersSSD", "Too many 1D clusters !"); | |
273 | return; | |
274 | } | |
275 | Ali1Dcluster& cluster2 = clusters1D[prevFlag][nClusters[prevFlag]++]; | |
276 | cluster2.SetY(y/q + 0.25*nDigits); | |
277 | cluster2.SetQ(0.5*q); | |
278 | cluster2.SetNd(nDigits); | |
279 | cluster2.SetLabels(lab); | |
280 | } | |
281 | y = q = 0.; | |
282 | nDigits = 0; | |
283 | } | |
284 | ||
285 | if (!next || (input->GetModuleID() != prevModule)) { | |
286 | Int_t iModule = prevModule; | |
287 | ||
288 | // when all data from a module was read, search for clusters | |
289 | if (prevFlag >= 0) { | |
290 | clusters[iModule] = new TClonesArray("AliITSRecPoint"); | |
291 | fModule = iModule; | |
292 | FindClustersSSD(&clusters1D[0][0], nClusters[0], | |
293 | &clusters1D[1][0], nClusters[1], clusters[iModule]); | |
294 | Int_t nClusters = clusters[iModule]->GetEntriesFast(); | |
295 | nClustersSSD += nClusters; | |
296 | } | |
297 | ||
298 | if (!next) break; | |
299 | nClusters[0] = nClusters[1] = 0; | |
300 | y = q = 0.; | |
301 | nDigits = 0; | |
302 | ||
303 | cal = (AliITSCalibrationSSD*)GetResp(input->GetModuleID()); | |
304 | ||
305 | } | |
306 | ||
307 | if(input->GetSideFlag()==0) gain = cal->GetGainP(input->GetStrip()); | |
308 | else gain = cal->GetGainN(input->GetStrip()); | |
309 | ||
310 | // add digit to current cluster | |
311 | q += cal->ADCToKeV( gain * input->GetSignal() ); // signal is corrected for gain and converted in KeV | |
312 | y += strip * cal->ADCToKeV( gain * input->GetSignal() ); | |
313 | nDigits++; | |
314 | prevStrip = strip; | |
315 | prevFlag = flag; | |
316 | prevModule = input->GetModuleID(); | |
317 | ||
318 | } | |
319 | ||
320 | Info("FindClustersSSD", "found clusters in ITS SSD: %d", nClustersSSD); | |
321 | } | |
322 | ||
323 | void AliITSClusterFinderV2SSD:: | |
324 | FindClustersSSD(Ali1Dcluster* neg, Int_t nn, | |
325 | Ali1Dcluster* pos, Int_t np, | |
326 | TClonesArray *clusters) { | |
327 | //------------------------------------------------------------ | |
328 | // Actual SSD cluster finder | |
329 | //------------------------------------------------------------ | |
330 | ||
331 | const TGeoHMatrix *mT2L=AliITSgeomTGeo::GetTracking2LocalMatrix(fModule); | |
332 | ||
333 | TClonesArray &cl=*clusters; | |
334 | // | |
335 | Float_t tanp=fTanP, tann=fTanN; | |
336 | if (fModule>fLastSSD1) {tann=fTanP; tanp=fTanN;} | |
337 | Int_t idet=fNdet[fModule]; | |
338 | Int_t ncl=0; | |
339 | // | |
340 | Int_t negativepair[30000]; | |
341 | Int_t cnegative[3000]; | |
342 | Int_t cused1[3000]; | |
343 | Int_t positivepair[30000]; | |
344 | Int_t cpositive[3000]; | |
345 | Int_t cused2[3000]; | |
346 | for (Int_t i=0;i<3000;i++) {cnegative[i]=0; cused1[i]=0;} | |
347 | for (Int_t i=0;i<3000;i++) {cpositive[i]=0; cused2[i]=0;} | |
348 | for (Int_t i=0;i<30000;i++) {negativepair[i]=0; positivepair[i]=0;} | |
349 | ||
350 | if ((np*nn) > fPairsSize) { | |
351 | if (fPairs) delete [] fPairs; | |
352 | fPairsSize = 4*np*nn; | |
353 | fPairs = new Short_t[fPairsSize]; | |
354 | } | |
355 | memset(fPairs,0,sizeof(Short_t)*np*nn); | |
356 | // | |
357 | // find available pairs | |
358 | // | |
359 | for (Int_t i=0; i<np; i++) { | |
360 | Float_t yp=pos[i].GetY()*fYpitchSSD; | |
361 | if (pos[i].GetQ()<3) continue; | |
362 | for (Int_t j=0; j<nn; j++) { | |
363 | if (neg[j].GetQ()<3) continue; | |
364 | Float_t yn=neg[j].GetY()*fYpitchSSD; | |
365 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
366 | Float_t yt=yn + tann*zt; | |
367 | zt-=fHlSSD; yt-=fHwSSD; | |
368 | if (TMath::Abs(yt)<fHwSSD+0.01) | |
369 | if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) { | |
370 | negativepair[i*10+cnegative[i]] =j; //index | |
371 | positivepair[j*10+cpositive[j]] =i; | |
372 | cnegative[i]++; //counters | |
373 | cpositive[j]++; | |
374 | fPairs[i*nn+j]=100; | |
375 | } | |
376 | } | |
377 | } | |
378 | // | |
379 | for (Int_t i=0; i<np; i++) { | |
380 | Float_t yp=pos[i].GetY()*fYpitchSSD; | |
381 | if (pos[i].GetQ()<3) continue; | |
382 | for (Int_t j=0; j<nn; j++) { | |
383 | if (neg[j].GetQ()<3) continue; | |
384 | if (cpositive[j]&&cnegative[i]) continue; | |
385 | Float_t yn=neg[j].GetY()*fYpitchSSD; | |
386 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
387 | Float_t yt=yn + tann*zt; | |
388 | zt-=fHlSSD; yt-=fHwSSD; | |
389 | if (TMath::Abs(yt)<fHwSSD+0.1) | |
390 | if (TMath::Abs(zt)<fHlSSD+0.15) { | |
391 | if (cnegative[i]==0) pos[i].SetNd(100); // not available pair | |
392 | if (cpositive[j]==0) neg[j].SetNd(100); // not available pair | |
393 | negativepair[i*10+cnegative[i]] =j; //index | |
394 | positivepair[j*10+cpositive[j]] =i; | |
395 | cnegative[i]++; //counters | |
396 | cpositive[j]++; | |
397 | fPairs[i*nn+j]=100; | |
398 | } | |
399 | } | |
400 | } | |
401 | // | |
402 | Float_t lp[5]; | |
403 | Int_t milab[10]; | |
404 | Double_t ratio; | |
405 | ||
406 | // | |
407 | // sign gold tracks | |
408 | // | |
409 | for (Int_t ip=0;ip<np;ip++){ | |
410 | Float_t ybest=1000,zbest=1000,qbest=0; | |
411 | // | |
412 | // select gold clusters | |
413 | if ( (cnegative[ip]==1) && cpositive[negativepair[10*ip]]==1){ | |
414 | Float_t yp=pos[ip].GetY()*fYpitchSSD; | |
415 | Int_t j = negativepair[10*ip]; | |
416 | ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ()); | |
417 | // | |
418 | Float_t yn=neg[j].GetY()*fYpitchSSD; | |
419 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
420 | Float_t yt=yn + tann*zt; | |
421 | zt-=fHlSSD; yt-=fHwSSD; | |
422 | ybest=yt; zbest=zt; | |
423 | qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ()); | |
424 | { | |
425 | Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.}; | |
426 | mT2L->MasterToLocal(loc,trk); | |
427 | lp[0]=trk[1]; | |
428 | lp[1]=trk[2]; | |
429 | } | |
430 | lp[2]=0.0025*0.0025; //SigmaY2 | |
431 | lp[3]=0.110*0.110; //SigmaZ2 | |
432 | ||
433 | lp[4]=qbest; //Q | |
434 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
435 | for (Int_t ilab=0;ilab<3;ilab++){ | |
436 | milab[ilab] = pos[ip].GetLabel(ilab); | |
437 | milab[ilab+3] = neg[j].GetLabel(ilab); | |
438 | } | |
439 | // | |
440 | CheckLabels2(milab); | |
441 | milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det | |
442 | Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]}; | |
443 | AliITSRecPoint * cl2; | |
444 | if(clusters){ | |
445 | cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info); | |
446 | cl2->SetChargeRatio(ratio); | |
447 | cl2->SetType(1); | |
448 | fPairs[ip*nn+j]=1; | |
449 | if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster | |
450 | cl2->SetType(2); | |
451 | fPairs[ip*nn+j]=2; | |
452 | } | |
453 | cused1[ip]++; | |
454 | cused2[j]++; | |
455 | ||
456 | } | |
457 | else{ | |
458 | cl2 = new AliITSRecPoint(milab,lp,info); | |
459 | cl2->SetChargeRatio(ratio); | |
460 | cl2->SetType(1); | |
461 | fPairs[ip*nn+j]=1; | |
462 | if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster | |
463 | cl2->SetType(2); | |
464 | fPairs[ip*nn+j]=2; | |
465 | } | |
466 | cused1[ip]++; | |
467 | cused2[j]++; | |
468 | fDetTypeRec->AddRecPoint(*cl2); | |
469 | } | |
470 | ncl++; | |
471 | } | |
472 | } | |
473 | ||
474 | for (Int_t ip=0;ip<np;ip++){ | |
475 | Float_t ybest=1000,zbest=1000,qbest=0; | |
476 | // | |
477 | // | |
478 | // select "silber" cluster | |
479 | if ( cnegative[ip]==1 && cpositive[negativepair[10*ip]]==2){ | |
480 | Int_t in = negativepair[10*ip]; | |
481 | Int_t ip2 = positivepair[10*in]; | |
482 | if (ip2==ip) ip2 = positivepair[10*in+1]; | |
483 | Float_t pcharge = pos[ip].GetQ()+pos[ip2].GetQ(); | |
484 | if (TMath::Abs(pcharge-neg[in].GetQ())<10){ | |
485 | // | |
486 | // add first pair | |
487 | if (fPairs[ip*nn+in]==100){ // | |
488 | Float_t yp=pos[ip].GetY()*fYpitchSSD; | |
489 | Float_t yn=neg[in].GetY()*fYpitchSSD; | |
490 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
491 | Float_t yt=yn + tann*zt; | |
492 | zt-=fHlSSD; yt-=fHwSSD; | |
493 | ybest =yt; zbest=zt; | |
494 | qbest =pos[ip].GetQ(); | |
495 | { | |
496 | Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.}; | |
497 | mT2L->MasterToLocal(loc,trk); | |
498 | lp[0]=trk[1]; | |
499 | lp[1]=trk[2]; | |
500 | } | |
501 | lp[2]=0.0025*0.0025; //SigmaY2 | |
502 | lp[3]=0.110*0.110; //SigmaZ2 | |
503 | ||
504 | lp[4]=qbest; //Q | |
505 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
506 | for (Int_t ilab=0;ilab<3;ilab++){ | |
507 | milab[ilab] = pos[ip].GetLabel(ilab); | |
508 | milab[ilab+3] = neg[in].GetLabel(ilab); | |
509 | } | |
510 | // | |
511 | CheckLabels2(milab); | |
512 | ratio = (pos[ip].GetQ()-neg[in].GetQ())/(pos[ip].GetQ()+neg[in].GetQ()); | |
513 | milab[3]=(((ip<<10) + in)<<10) + idet; // pos|neg|det | |
514 | Int_t info[3] = {pos[ip].GetNd(),neg[in].GetNd(),fNlayer[fModule]}; | |
515 | ||
516 | AliITSRecPoint * cl2; | |
517 | if(clusters){ | |
518 | cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info); | |
519 | cl2->SetChargeRatio(ratio); | |
520 | cl2->SetType(5); | |
521 | fPairs[ip*nn+in] = 5; | |
522 | if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster | |
523 | cl2->SetType(6); | |
524 | fPairs[ip*nn+in] = 6; | |
525 | } | |
526 | } | |
527 | else{ | |
528 | cl2 = new AliITSRecPoint(milab,lp,info); | |
529 | cl2->SetChargeRatio(ratio); | |
530 | cl2->SetType(5); | |
531 | fPairs[ip*nn+in] = 5; | |
532 | if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster | |
533 | cl2->SetType(6); | |
534 | fPairs[ip*nn+in] = 6; | |
535 | } | |
536 | ||
537 | fDetTypeRec->AddRecPoint(*cl2); | |
538 | } | |
539 | ncl++; | |
540 | } | |
541 | ||
542 | // | |
543 | // add second pair | |
544 | ||
545 | // if (!(cused1[ip2] || cused2[in])){ // | |
546 | if (fPairs[ip2*nn+in]==100){ | |
547 | Float_t yp=pos[ip2].GetY()*fYpitchSSD; | |
548 | Float_t yn=neg[in].GetY()*fYpitchSSD; | |
549 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
550 | Float_t yt=yn + tann*zt; | |
551 | zt-=fHlSSD; yt-=fHwSSD; | |
552 | ybest =yt; zbest=zt; | |
553 | qbest =pos[ip2].GetQ(); | |
554 | { | |
555 | Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.}; | |
556 | mT2L->MasterToLocal(loc,trk); | |
557 | lp[0]=trk[1]; | |
558 | lp[1]=trk[2]; | |
559 | } | |
560 | lp[2]=0.0025*0.0025; //SigmaY2 | |
561 | lp[3]=0.110*0.110; //SigmaZ2 | |
562 | ||
563 | lp[4]=qbest; //Q | |
564 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
565 | for (Int_t ilab=0;ilab<3;ilab++){ | |
566 | milab[ilab] = pos[ip2].GetLabel(ilab); | |
567 | milab[ilab+3] = neg[in].GetLabel(ilab); | |
568 | } | |
569 | // | |
570 | CheckLabels2(milab); | |
571 | ratio = (pos[ip2].GetQ()-neg[in].GetQ())/(pos[ip2].GetQ()+neg[in].GetQ()); | |
572 | milab[3]=(((ip2<<10) + in)<<10) + idet; // pos|neg|det | |
573 | Int_t info[3] = {pos[ip2].GetNd(),neg[in].GetNd(),fNlayer[fModule]}; | |
574 | ||
575 | AliITSRecPoint * cl2; | |
576 | if(clusters){ | |
577 | cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info); | |
578 | cl2->SetChargeRatio(ratio); | |
579 | cl2->SetType(5); | |
580 | fPairs[ip2*nn+in] =5; | |
581 | if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster | |
582 | cl2->SetType(6); | |
583 | fPairs[ip2*nn+in] =6; | |
584 | } | |
585 | } | |
586 | else{ | |
587 | cl2 = new AliITSRecPoint(milab,lp,info); | |
588 | cl2->SetChargeRatio(ratio); | |
589 | cl2->SetType(5); | |
590 | fPairs[ip2*nn+in] =5; | |
591 | if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster | |
592 | cl2->SetType(6); | |
593 | fPairs[ip2*nn+in] =6; | |
594 | } | |
595 | ||
596 | fDetTypeRec->AddRecPoint(*cl2); | |
597 | } | |
598 | ncl++; | |
599 | } | |
600 | cused1[ip]++; | |
601 | cused1[ip2]++; | |
602 | cused2[in]++; | |
603 | } | |
604 | } | |
605 | } | |
606 | ||
607 | // | |
608 | for (Int_t jn=0;jn<nn;jn++){ | |
609 | if (cused2[jn]) continue; | |
610 | Float_t ybest=1000,zbest=1000,qbest=0; | |
611 | // select "silber" cluster | |
612 | if ( cpositive[jn]==1 && cnegative[positivepair[10*jn]]==2){ | |
613 | Int_t ip = positivepair[10*jn]; | |
614 | Int_t jn2 = negativepair[10*ip]; | |
615 | if (jn2==jn) jn2 = negativepair[10*ip+1]; | |
616 | Float_t pcharge = neg[jn].GetQ()+neg[jn2].GetQ(); | |
617 | // | |
618 | if (TMath::Abs(pcharge-pos[ip].GetQ())<10){ | |
619 | // | |
620 | // add first pair | |
621 | // if (!(cused1[ip]||cused2[jn])){ | |
622 | if (fPairs[ip*nn+jn]==100){ | |
623 | Float_t yn=neg[jn].GetY()*fYpitchSSD; | |
624 | Float_t yp=pos[ip].GetY()*fYpitchSSD; | |
625 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
626 | Float_t yt=yn + tann*zt; | |
627 | zt-=fHlSSD; yt-=fHwSSD; | |
628 | ybest =yt; zbest=zt; | |
629 | qbest =neg[jn].GetQ(); | |
630 | { | |
631 | Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.}; | |
632 | mT2L->MasterToLocal(loc,trk); | |
633 | lp[0]=trk[1]; | |
634 | lp[1]=trk[2]; | |
635 | } | |
636 | lp[2]=0.0025*0.0025; //SigmaY2 | |
637 | lp[3]=0.110*0.110; //SigmaZ2 | |
638 | ||
639 | lp[4]=qbest; //Q | |
640 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
641 | for (Int_t ilab=0;ilab<3;ilab++){ | |
642 | milab[ilab] = pos[ip].GetLabel(ilab); | |
643 | milab[ilab+3] = neg[jn].GetLabel(ilab); | |
644 | } | |
645 | // | |
646 | CheckLabels2(milab); | |
647 | ratio = (pos[ip].GetQ()-neg[jn].GetQ())/(pos[ip].GetQ()+neg[jn].GetQ()); | |
648 | milab[3]=(((ip<<10) + jn)<<10) + idet; // pos|neg|det | |
649 | Int_t info[3] = {pos[ip].GetNd(),neg[jn].GetNd(),fNlayer[fModule]}; | |
650 | ||
651 | AliITSRecPoint * cl2; | |
652 | if(clusters){ | |
653 | cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info); | |
654 | cl2->SetChargeRatio(ratio); | |
655 | cl2->SetType(7); | |
656 | fPairs[ip*nn+jn] =7; | |
657 | if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster | |
658 | cl2->SetType(8); | |
659 | fPairs[ip*nn+jn]=8; | |
660 | } | |
661 | ||
662 | } | |
663 | else{ | |
664 | cl2 = new AliITSRecPoint(milab,lp,info); | |
665 | cl2->SetChargeRatio(ratio); | |
666 | cl2->SetType(7); | |
667 | fPairs[ip*nn+jn] =7; | |
668 | if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster | |
669 | cl2->SetType(8); | |
670 | fPairs[ip*nn+jn]=8; | |
671 | } | |
672 | ||
673 | fDetTypeRec->AddRecPoint(*cl2); | |
674 | } | |
675 | ncl++; | |
676 | } | |
677 | // | |
678 | // add second pair | |
679 | // if (!(cused1[ip]||cused2[jn2])){ | |
680 | if (fPairs[ip*nn+jn2]==100){ | |
681 | Float_t yn=neg[jn2].GetY()*fYpitchSSD; | |
682 | Double_t yp=pos[ip].GetY()*fYpitchSSD; | |
683 | Double_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
684 | Double_t yt=yn + tann*zt; | |
685 | zt-=fHlSSD; yt-=fHwSSD; | |
686 | ybest =yt; zbest=zt; | |
687 | qbest =neg[jn2].GetQ(); | |
688 | { | |
689 | Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.}; | |
690 | mT2L->MasterToLocal(loc,trk); | |
691 | lp[0]=trk[1]; | |
692 | lp[1]=trk[2]; | |
693 | } | |
694 | lp[2]=0.0025*0.0025; //SigmaY2 | |
695 | lp[3]=0.110*0.110; //SigmaZ2 | |
696 | ||
697 | lp[4]=qbest; //Q | |
698 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
699 | for (Int_t ilab=0;ilab<3;ilab++){ | |
700 | milab[ilab] = pos[ip].GetLabel(ilab); | |
701 | milab[ilab+3] = neg[jn2].GetLabel(ilab); | |
702 | } | |
703 | // | |
704 | CheckLabels2(milab); | |
705 | ratio = (pos[ip].GetQ()-neg[jn2].GetQ())/(pos[ip].GetQ()+neg[jn2].GetQ()); | |
706 | milab[3]=(((ip<<10) + jn2)<<10) + idet; // pos|neg|det | |
707 | Int_t info[3] = {pos[ip].GetNd(),neg[jn2].GetNd(),fNlayer[fModule]}; | |
708 | AliITSRecPoint * cl2; | |
709 | if(clusters){ | |
710 | cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info); | |
711 | cl2->SetChargeRatio(ratio); | |
712 | fPairs[ip*nn+jn2]=7; | |
713 | cl2->SetType(7); | |
714 | if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster | |
715 | cl2->SetType(8); | |
716 | fPairs[ip*nn+jn2]=8; | |
717 | } | |
718 | ||
719 | } | |
720 | else{ | |
721 | cl2 = new AliITSRecPoint(milab,lp,info); | |
722 | cl2->SetChargeRatio(ratio); | |
723 | fPairs[ip*nn+jn2]=7; | |
724 | cl2->SetType(7); | |
725 | if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster | |
726 | cl2->SetType(8); | |
727 | fPairs[ip*nn+jn2]=8; | |
728 | } | |
729 | ||
730 | fDetTypeRec->AddRecPoint(*cl2); | |
731 | } | |
732 | ||
733 | ncl++; | |
734 | } | |
735 | cused1[ip]++; | |
736 | cused2[jn]++; | |
737 | cused2[jn2]++; | |
738 | } | |
739 | } | |
740 | } | |
741 | ||
742 | for (Int_t ip=0;ip<np;ip++){ | |
743 | Float_t ybest=1000,zbest=1000,qbest=0; | |
744 | // | |
745 | // 2x2 clusters | |
746 | // | |
747 | if ( (cnegative[ip]<5) && cpositive[negativepair[10*ip]]<5){ | |
748 | Float_t minchargediff =4.; | |
749 | Int_t j=-1; | |
750 | for (Int_t di=0;di<cnegative[ip];di++){ | |
751 | Int_t jc = negativepair[ip*10+di]; | |
752 | Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ(); | |
753 | if (TMath::Abs(chargedif)<minchargediff){ | |
754 | j =jc; | |
755 | minchargediff = TMath::Abs(chargedif); | |
756 | } | |
757 | } | |
758 | if (j<0) continue; // not proper cluster | |
759 | Int_t count =0; | |
760 | for (Int_t di=0;di<cnegative[ip];di++){ | |
761 | Int_t jc = negativepair[ip*10+di]; | |
762 | Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ(); | |
763 | if (TMath::Abs(chargedif)<minchargediff+3.) count++; | |
764 | } | |
765 | if (count>1) continue; // more than one "proper" cluster for positive | |
766 | // | |
767 | count =0; | |
768 | for (Int_t dj=0;dj<cpositive[j];dj++){ | |
769 | Int_t ic = positivepair[j*10+dj]; | |
770 | Float_t chargedif = pos[ic].GetQ()-neg[j].GetQ(); | |
771 | if (TMath::Abs(chargedif)<minchargediff+3.) count++; | |
772 | } | |
773 | if (count>1) continue; // more than one "proper" cluster for negative | |
774 | ||
775 | Int_t jp = 0; | |
776 | ||
777 | count =0; | |
778 | for (Int_t dj=0;dj<cnegative[jp];dj++){ | |
779 | Int_t ic = positivepair[jp*10+dj]; | |
780 | Float_t chargedif = pos[ic].GetQ()-neg[jp].GetQ(); | |
781 | if (TMath::Abs(chargedif)<minchargediff+4.) count++; | |
782 | } | |
783 | if (count>1) continue; | |
784 | if (fPairs[ip*nn+j]<100) continue; | |
785 | // | |
786 | //almost gold clusters | |
787 | Float_t yp=pos[ip].GetY()*fYpitchSSD; | |
788 | Float_t yn=neg[j].GetY()*fYpitchSSD; | |
789 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
790 | Float_t yt=yn + tann*zt; | |
791 | zt-=fHlSSD; yt-=fHwSSD; | |
792 | ybest=yt; zbest=zt; | |
793 | qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ()); | |
794 | { | |
795 | Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.}; | |
796 | mT2L->MasterToLocal(loc,trk); | |
797 | lp[0]=trk[1]; | |
798 | lp[1]=trk[2]; | |
799 | } | |
800 | lp[2]=0.0025*0.0025; //SigmaY2 | |
801 | lp[3]=0.110*0.110; //SigmaZ2 | |
802 | lp[4]=qbest; //Q | |
803 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
804 | for (Int_t ilab=0;ilab<3;ilab++){ | |
805 | milab[ilab] = pos[ip].GetLabel(ilab); | |
806 | milab[ilab+3] = neg[j].GetLabel(ilab); | |
807 | } | |
808 | // | |
809 | CheckLabels2(milab); | |
810 | ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ()); | |
811 | milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det | |
812 | Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]}; | |
813 | AliITSRecPoint * cl2; | |
814 | if(clusters){ | |
815 | cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info); | |
816 | cl2->SetChargeRatio(ratio); | |
817 | cl2->SetType(10); | |
818 | fPairs[ip*nn+j]=10; | |
819 | if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster | |
820 | cl2->SetType(11); | |
821 | fPairs[ip*nn+j]=11; | |
822 | } | |
823 | cused1[ip]++; | |
824 | cused2[j]++; | |
825 | } | |
826 | else{ | |
827 | cl2 = new AliITSRecPoint(milab,lp,info); | |
828 | cl2->SetChargeRatio(ratio); | |
829 | cl2->SetType(10); | |
830 | fPairs[ip*nn+j]=10; | |
831 | if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster | |
832 | cl2->SetType(11); | |
833 | fPairs[ip*nn+j]=11; | |
834 | } | |
835 | cused1[ip]++; | |
836 | cused2[j]++; | |
837 | ||
838 | fDetTypeRec->AddRecPoint(*cl2); | |
839 | } | |
840 | ncl++; | |
841 | } | |
842 | ||
843 | } | |
844 | ||
845 | // | |
846 | for (Int_t i=0; i<np; i++) { | |
847 | Float_t ybest=1000,zbest=1000,qbest=0; | |
848 | Float_t yp=pos[i].GetY()*fYpitchSSD; | |
849 | if (pos[i].GetQ()<3) continue; | |
850 | for (Int_t j=0; j<nn; j++) { | |
851 | // for (Int_t di = 0;di<cpositive[i];di++){ | |
852 | // Int_t j = negativepair[10*i+di]; | |
853 | if (neg[j].GetQ()<3) continue; | |
854 | if (cused2[j]||cused1[i]) continue; | |
855 | if (fPairs[i*nn+j]>0 &&fPairs[i*nn+j]<100) continue; | |
856 | ratio = (pos[i].GetQ()-neg[j].GetQ())/(pos[i].GetQ()+neg[j].GetQ()); | |
857 | Float_t yn=neg[j].GetY()*fYpitchSSD; | |
858 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
859 | Float_t yt=yn + tann*zt; | |
860 | zt-=fHlSSD; yt-=fHwSSD; | |
861 | if (TMath::Abs(yt)<fHwSSD+0.01) | |
862 | if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) { | |
863 | ybest=yt; zbest=zt; | |
864 | qbest=0.5*(pos[i].GetQ()+neg[j].GetQ()); | |
865 | { | |
866 | Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.}; | |
867 | mT2L->MasterToLocal(loc,trk); | |
868 | lp[0]=trk[1]; | |
869 | lp[1]=trk[2]; | |
870 | } | |
871 | lp[2]=0.0025*0.0025; //SigmaY2 | |
872 | lp[3]=0.110*0.110; //SigmaZ2 | |
873 | ||
874 | lp[4]=qbest; //Q | |
875 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
876 | for (Int_t ilab=0;ilab<3;ilab++){ | |
877 | milab[ilab] = pos[i].GetLabel(ilab); | |
878 | milab[ilab+3] = neg[j].GetLabel(ilab); | |
879 | } | |
880 | // | |
881 | CheckLabels2(milab); | |
882 | milab[3]=(((i<<10) + j)<<10) + idet; // pos|neg|det | |
883 | Int_t info[3] = {pos[i].GetNd(),neg[j].GetNd(),fNlayer[fModule]}; | |
884 | AliITSRecPoint * cl2; | |
885 | if(clusters){ | |
886 | cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info); | |
887 | cl2->SetChargeRatio(ratio); | |
888 | cl2->SetType(100+cpositive[j]+cnegative[i]); | |
889 | } | |
890 | else{ | |
891 | cl2 = new AliITSRecPoint(milab,lp,info); | |
892 | cl2->SetChargeRatio(ratio); | |
893 | cl2->SetType(100+cpositive[j]+cnegative[i]); | |
894 | fDetTypeRec->AddRecPoint(*cl2); | |
895 | } | |
896 | ncl++; | |
897 | //cl2->SetType(0); | |
898 | /* | |
899 | if (fPairs[i*nn+j]<100){ | |
900 | printf("problem:- %d\n", fPairs[i*nn+j]); | |
901 | } | |
902 | if (cnegative[i]<2&&cpositive[j]<2){ | |
903 | printf("problem:- %d\n", fPairs[i*nn+j]); | |
904 | } | |
905 | */ | |
906 | } | |
907 | } | |
908 | } | |
909 | ||
910 | } | |
911 | ||
912 | ||
913 |