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7f4044f0 | 1 | //------------------------------------------------------------------------- |
2 | // Implementation of the ITS clusterer V2 class | |
3 | // | |
4 | // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch | |
5 | //------------------------------------------------------------------------- | |
6 | //uncomment the line below for running with V1 cluster finder classes | |
7 | //#define V1 | |
8 | ||
9 | #include "AliRun.h" | |
10 | ||
11 | #include "AliITSclustererV2.h" | |
12 | #include "AliITSclusterV2.h" | |
7d62fb64 | 13 | #include "AliITSDetTypeRec.h" |
7941072e | 14 | #include "AliRawReader.h" |
c391f9d9 | 15 | #include "AliITSRawStreamSPD.h" |
16 | #include "AliITSRawStreamSDD.h" | |
17 | #include "AliITSRawStreamSSD.h" | |
7f4044f0 | 18 | |
7f4044f0 | 19 | #include <TFile.h> |
20 | #include <TTree.h> | |
21 | #include <TClonesArray.h> | |
22 | #include "AliITSgeom.h" | |
e869281d | 23 | #include "AliITSdigitSPD.h" |
24 | #include "AliITSdigitSDD.h" | |
25 | #include "AliITSdigitSSD.h" | |
5d12ce38 | 26 | #include "AliMC.h" |
7f4044f0 | 27 | |
28 | ClassImp(AliITSclustererV2) | |
29 | ||
30 | extern AliRun *gAlice; | |
31 | ||
32 | AliITSclustererV2::AliITSclustererV2(const AliITSgeom *geom) { | |
33 | //------------------------------------------------------------ | |
34 | // Standard constructor | |
35 | //------------------------------------------------------------ | |
36 | AliITSgeom *g=(AliITSgeom*)geom; | |
37 | ||
38 | fEvent=0; | |
39 | fI=0; | |
40 | ||
41 | Int_t mmax=geom->GetIndexMax(); | |
c630aafd | 42 | if (mmax>2200) { |
caa92d6a | 43 | Fatal("AliITSclustererV2","Too many ITS subdetectors !"); |
c630aafd | 44 | } |
7f4044f0 | 45 | Int_t m; |
46 | for (m=0; m<mmax; m++) { | |
47 | Int_t lay,lad,det; g->GetModuleId(m,lay,lad,det); | |
48 | Float_t x,y,z; g->GetTrans(lay,lad,det,x,y,z); | |
49 | Double_t rot[9]; g->GetRotMatrix(lay,lad,det,rot); | |
f363d377 | 50 | Double_t alpha=TMath::ATan2(rot[1],rot[0])+TMath::Pi(); |
51 | Double_t ca=TMath::Cos(alpha), sa=TMath::Sin(alpha); | |
52 | fYshift[m] = x*ca + y*sa; | |
7f4044f0 | 53 | fZshift[m] = (Double_t)z; |
54 | fNdet[m] = (lad-1)*g->GetNdetectors(lay) + (det-1); | |
e43c066c | 55 | fNlayer[m] = lay-1; |
7f4044f0 | 56 | } |
c391f9d9 | 57 | fNModules = g->GetIndexMax(); |
7f4044f0 | 58 | |
59 | //SPD geometry | |
60 | fLastSPD1=g->GetModuleIndex(2,1,1)-1; | |
61 | fNySPD=256; fNzSPD=160; | |
62 | fYpitchSPD=0.0050; | |
63 | fZ1pitchSPD=0.0425; fZ2pitchSPD=0.0625; | |
64 | fHwSPD=0.64; fHlSPD=3.48; | |
65 | fYSPD[0]=0.5*fYpitchSPD; | |
66 | for (m=1; m<fNySPD; m++) fYSPD[m]=fYSPD[m-1]+fYpitchSPD; | |
67 | fZSPD[0]=fZ1pitchSPD; | |
68 | for (m=1; m<fNzSPD; m++) { | |
69 | Double_t dz=fZ1pitchSPD; | |
70 | if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 || | |
71 | m==127 || m==128) dz=fZ2pitchSPD; | |
72 | fZSPD[m]=fZSPD[m-1]+dz; | |
73 | } | |
74 | for (m=0; m<fNzSPD; m++) { | |
75 | Double_t dz=0.5*fZ1pitchSPD; | |
76 | if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 || | |
77 | m==127 || m==128) dz=0.5*fZ2pitchSPD; | |
78 | fZSPD[m]-=dz; | |
79 | } | |
80 | ||
81 | //SDD geometry | |
82 | fNySDD=256; fNzSDD=256; | |
83 | fYpitchSDD=0.01825; | |
84 | fZpitchSDD=0.02940; | |
85 | fHwSDD=3.5085; fHlSDD=3.7632; | |
86 | fYoffSDD=0.0425; | |
87 | ||
88 | //SSD geometry | |
89 | fLastSSD1=g->GetModuleIndex(6,1,1)-1; | |
90 | fYpitchSSD=0.0095; | |
91 | fHwSSD=3.65; | |
92 | fHlSSD=2.00; | |
93 | fTanP=0.0275; | |
94 | fTanN=0.0075; | |
5102d526 | 95 | |
7f4044f0 | 96 | } |
97 | ||
e3d91d99 | 98 | |
c630aafd | 99 | Int_t AliITSclustererV2::Digits2Clusters(TTree *dTree, TTree *cTree) { |
7f4044f0 | 100 | //------------------------------------------------------------ |
101 | // This function creates ITS clusters | |
102 | //------------------------------------------------------------ | |
103 | Int_t ncl=0; | |
7f4044f0 | 104 | |
7f4044f0 | 105 | if (!dTree) { |
c630aafd | 106 | Error("Digits2Clusters","Can't get the tree with digits !"); |
107 | return 1; | |
7f4044f0 | 108 | } |
109 | ||
110 | TClonesArray *digitsSPD=new TClonesArray("AliITSdigitSPD",3000); | |
111 | dTree->SetBranchAddress("ITSDigitsSPD",&digitsSPD); | |
112 | TClonesArray *digitsSDD=new TClonesArray("AliITSdigitSDD",3000); | |
113 | dTree->SetBranchAddress("ITSDigitsSDD",&digitsSDD); | |
114 | TClonesArray *digitsSSD=new TClonesArray("AliITSdigitSSD",3000); | |
115 | dTree->SetBranchAddress("ITSDigitsSSD",&digitsSSD); | |
116 | ||
7f4044f0 | 117 | TClonesArray *clusters=new TClonesArray("AliITSclusterV2",1000); |
c630aafd | 118 | TBranch *branch=cTree->GetBranch("Clusters"); |
119 | if (!branch) cTree->Branch("Clusters",&clusters); | |
120 | else branch->SetAddress(&clusters); | |
121 | ||
122 | Int_t mmax=(Int_t)dTree->GetEntries(); | |
cbca22ab | 123 | if (mmax!=fNModules) { |
124 | Error("Digits2Clusters","Number of entries != number of modules !"); | |
125 | return 1; | |
126 | } | |
7f4044f0 | 127 | |
128 | for (fI=0; fI<mmax; fI++) { | |
129 | dTree->GetEvent(fI); | |
130 | ||
131 | if (digitsSPD->GetEntriesFast()!=0) | |
babd135a | 132 | FindClustersSPD(digitsSPD,clusters); |
133 | else | |
134 | if(digitsSDD->GetEntriesFast()!=0) | |
135 | FindClustersSDD(digitsSDD,clusters); | |
136 | else if(digitsSSD->GetEntriesFast()!=0) | |
137 | FindClustersSSD(digitsSSD,clusters); | |
138 | ||
7f4044f0 | 139 | ncl+=clusters->GetEntriesFast(); |
140 | ||
c630aafd | 141 | cTree->Fill(); |
7f4044f0 | 142 | |
143 | digitsSPD->Clear(); | |
144 | digitsSDD->Clear(); | |
145 | digitsSSD->Clear(); | |
146 | clusters->Clear(); | |
147 | } | |
c630aafd | 148 | |
149 | //cTree->Write(); | |
7f4044f0 | 150 | |
151 | delete clusters; | |
152 | ||
153 | delete digitsSPD; | |
154 | delete digitsSDD; | |
155 | delete digitsSSD; | |
156 | ||
7941072e | 157 | //delete dTree; |
158 | ||
c630aafd | 159 | Info("Digits2Clusters","Number of found clusters : %d",ncl); |
7f4044f0 | 160 | |
c630aafd | 161 | return 0; |
7f4044f0 | 162 | } |
163 | ||
7941072e | 164 | void AliITSclustererV2::Digits2Clusters(AliRawReader* rawReader) { |
c391f9d9 | 165 | //------------------------------------------------------------ |
166 | // This function creates ITS clusters from raw data | |
167 | //------------------------------------------------------------ | |
7941072e | 168 | AliRunLoader* runLoader = AliRunLoader::GetRunLoader(); |
169 | if (!runLoader) { | |
170 | Error("Digits2Clusters", "no run loader found"); | |
171 | return; | |
172 | } | |
babd135a | 173 | runLoader->LoadKinematics(); |
7941072e | 174 | AliLoader* itsLoader = runLoader->GetLoader("ITSLoader"); |
175 | if (!itsLoader) { | |
176 | Error("Digits2Clusters", "no loader for ITS found"); | |
c391f9d9 | 177 | return; |
178 | } | |
7941072e | 179 | if (!itsLoader->TreeR()) itsLoader->MakeTree("R"); |
180 | TTree* cTree = itsLoader->TreeR(); | |
c391f9d9 | 181 | |
c391f9d9 | 182 | TClonesArray *array=new TClonesArray("AliITSclusterV2",1000); |
7941072e | 183 | cTree->Branch("Clusters",&array); |
c391f9d9 | 184 | delete array; |
185 | ||
f1e0c1c5 | 186 | TClonesArray** clusters = new TClonesArray*[fNModules]; |
04fa961a | 187 | for (Int_t iModule = 0; iModule < fNModules; iModule++) { |
188 | clusters[iModule] = NULL; | |
189 | } | |
c391f9d9 | 190 | // one TClonesArray per module |
191 | ||
7941072e | 192 | rawReader->Reset(); |
193 | AliITSRawStreamSPD inputSPD(rawReader); | |
c391f9d9 | 194 | FindClustersSPD(&inputSPD, clusters); |
7941072e | 195 | |
196 | rawReader->Reset(); | |
197 | AliITSRawStreamSDD inputSDD(rawReader); | |
c391f9d9 | 198 | FindClustersSDD(&inputSDD, clusters); |
7941072e | 199 | |
200 | rawReader->Reset(); | |
201 | AliITSRawStreamSSD inputSSD(rawReader); | |
c391f9d9 | 202 | FindClustersSSD(&inputSSD, clusters); |
203 | ||
204 | // write all clusters to the tree | |
205 | Int_t nClusters = 0; | |
206 | for (Int_t iModule = 0; iModule < fNModules; iModule++) { | |
04fa961a | 207 | array = clusters[iModule]; |
c391f9d9 | 208 | if (!array) { |
209 | Error("Digits2Clusters", "data for module %d missing!", iModule); | |
210 | array = new TClonesArray("AliITSclusterV2"); | |
211 | } | |
7941072e | 212 | cTree->SetBranchAddress("Clusters", &array); |
213 | cTree->Fill(); | |
c391f9d9 | 214 | nClusters += array->GetEntriesFast(); |
215 | delete array; | |
216 | } | |
7941072e | 217 | itsLoader->WriteRecPoints("OVERWRITE"); |
c391f9d9 | 218 | |
04fa961a | 219 | delete[] clusters; |
220 | ||
c391f9d9 | 221 | Info("Digits2Clusters", "total number of found clusters in ITS: %d\n", |
222 | nClusters); | |
223 | } | |
224 | ||
7f4044f0 | 225 | //**** Fast clusters ******************************* |
226 | #include "TParticle.h" | |
227 | ||
7d62fb64 | 228 | //#include "AliITS.h" |
7f4044f0 | 229 | #include "AliITSmodule.h" |
230 | #include "AliITSRecPoint.h" | |
231 | #include "AliITSsimulationFastPoints.h" | |
232 | #include "AliITSRecPoint.h" | |
233 | ||
7d62fb64 | 234 | |
7f4044f0 | 235 | static void CheckLabels(Int_t lab[3]) { |
236 | //------------------------------------------------------------ | |
237 | // Tries to find mother's labels | |
238 | //------------------------------------------------------------ | |
239 | Int_t label=lab[0]; | |
240 | if (label>=0) { | |
5d12ce38 | 241 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); |
7f4044f0 | 242 | label=-3; |
243 | while (part->P() < 0.005) { | |
244 | Int_t m=part->GetFirstMother(); | |
c630aafd | 245 | if (m<0) { |
246 | Info("CheckLabels","Primary momentum: %f",part->P()); | |
247 | break; | |
248 | } | |
1cca57bf | 249 | if (part->GetStatusCode()>0) { |
c630aafd | 250 | Info("CheckLabels","Primary momentum: %f",part->P()); |
251 | break; | |
1cca57bf | 252 | } |
7f4044f0 | 253 | label=m; |
5d12ce38 | 254 | part=(TParticle*)gAlice->GetMCApp()->Particle(label); |
7f4044f0 | 255 | } |
256 | if (lab[1]<0) lab[1]=label; | |
257 | else if (lab[2]<0) lab[2]=label; | |
258 | else ;//cerr<<"CheckLabels : No empty labels !\n"; | |
259 | } | |
260 | } | |
7d62fb64 | 261 | |
262 | /* | |
babd135a | 263 | static void CheckLabels(Int_t lab[3]) { |
264 | //------------------------------------------------------------ | |
265 | // Tries to find mother's labels | |
266 | //------------------------------------------------------------ | |
267 | ||
0e986ef9 | 268 | if(lab[0]<0 && lab[1]<0 && lab[2]<0) return; // In case of no labels just exit |
269 | ||
babd135a | 270 | Int_t ntracks = gAlice->GetMCApp()->GetNtrack(); |
271 | for (Int_t i=0;i<3;i++){ | |
272 | Int_t label = lab[i]; | |
273 | if (label>=0 && label<ntracks) { | |
274 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); | |
275 | if (part->P() < 0.005) { | |
276 | Int_t m=part->GetFirstMother(); | |
277 | if (m<0) { | |
278 | continue; | |
279 | } | |
280 | if (part->GetStatusCode()>0) { | |
281 | continue; | |
282 | } | |
283 | lab[i]=m; | |
284 | } | |
285 | } | |
286 | } | |
287 | ||
288 | } | |
7d62fb64 | 289 | */ |
babd135a | 290 | static void CheckLabels2(Int_t lab[10]) { |
291 | //------------------------------------------------------------ | |
292 | // Tries to find mother's labels | |
293 | //------------------------------------------------------------ | |
e43c066c | 294 | Int_t nlabels =0; |
295 | for (Int_t i=0;i<10;i++) if (lab[i]>=0) nlabels++; | |
0e986ef9 | 296 | if(nlabels == 0) return; // In case of no labels just exit |
297 | ||
298 | Int_t ntracks = gAlice->GetMCApp()->GetNtrack(); | |
e43c066c | 299 | |
babd135a | 300 | for (Int_t i=0;i<10;i++){ |
301 | Int_t label = lab[i]; | |
302 | if (label>=0 && label<ntracks) { | |
303 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); | |
e43c066c | 304 | if (part->P() < 0.02) { |
305 | Int_t m=part->GetFirstMother(); | |
306 | if (m<0) { | |
307 | continue; | |
308 | } | |
309 | if (part->GetStatusCode()>0) { | |
310 | continue; | |
311 | } | |
312 | lab[i]=m; | |
313 | } | |
314 | else | |
315 | if (part->P() < 0.12 && nlabels>3) { | |
316 | lab[i]=-2; | |
317 | nlabels--; | |
318 | } | |
319 | } | |
320 | else{ | |
321 | if ( (label>ntracks||label <0) && nlabels>3) { | |
322 | lab[i]=-2; | |
323 | nlabels--; | |
324 | } | |
325 | } | |
326 | } | |
327 | if (nlabels>3){ | |
328 | for (Int_t i=0;i<10;i++){ | |
329 | if (nlabels>3){ | |
330 | Int_t label = lab[i]; | |
331 | if (label>=0 && label<ntracks) { | |
332 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); | |
333 | if (part->P() < 0.1) { | |
334 | lab[i]=-2; | |
335 | nlabels--; | |
336 | } | |
babd135a | 337 | } |
babd135a | 338 | } |
e43c066c | 339 | } |
babd135a | 340 | } |
e43c066c | 341 | |
babd135a | 342 | //compress labels -- if multi-times the same |
343 | Int_t lab2[10]; | |
344 | for (Int_t i=0;i<10;i++) lab2[i]=-2; | |
345 | for (Int_t i=0;i<10 ;i++){ | |
346 | if (lab[i]<0) continue; | |
347 | for (Int_t j=0;j<10 &&lab2[j]!=lab[i];j++){ | |
348 | if (lab2[j]<0) { | |
349 | lab2[j]= lab[i]; | |
350 | break; | |
351 | } | |
352 | } | |
353 | } | |
354 | for (Int_t j=0;j<10;j++) lab[j]=lab2[j]; | |
355 | ||
356 | } | |
357 | ||
358 | static void AddLabel(Int_t lab[10], Int_t label) { | |
0e986ef9 | 359 | |
360 | if(label<0) return; // In case of no label just exit | |
361 | ||
e43c066c | 362 | Int_t ntracks = gAlice->GetMCApp()->GetNtrack(); |
363 | if (label>ntracks) return; | |
babd135a | 364 | for (Int_t i=0;i<10;i++){ |
0e986ef9 | 365 | // if (label<0) break; |
babd135a | 366 | if (lab[i]==label) break; |
367 | if (lab[i]<0) { | |
368 | lab[i]= label; | |
369 | break; | |
370 | } | |
371 | } | |
372 | } | |
7f4044f0 | 373 | |
1cca57bf | 374 | void AliITSclustererV2::RecPoints2Clusters |
375 | (const TClonesArray *points, Int_t idx, TClonesArray *clusters) { | |
7f4044f0 | 376 | //------------------------------------------------------------ |
1cca57bf | 377 | // Conversion AliITSRecPoint -> AliITSclusterV2 for the ITS |
378 | // subdetector indexed by idx | |
7f4044f0 | 379 | //------------------------------------------------------------ |
380 | TClonesArray &cl=*clusters; | |
381 | Int_t ncl=points->GetEntriesFast(); | |
382 | for (Int_t i=0; i<ncl; i++) { | |
383 | AliITSRecPoint *p = (AliITSRecPoint *)points->UncheckedAt(i); | |
384 | Float_t lp[5]; | |
00a7cc50 | 385 | lp[0]=-(-p->GetDetLocalX()+fYshift[idx]); if (idx<=fLastSPD1) lp[0]*=-1; //SPD1 |
f363d377 | 386 | lp[1]= -p->GetZ()+fZshift[idx]; |
00a7cc50 | 387 | lp[2]=p->GetSigmaDetLocX2(); |
1cca57bf | 388 | lp[3]=p->GetSigmaZ2(); |
b6087704 | 389 | lp[4]=p->GetQ()*36./23333.; //electrons -> ADC |
7f4044f0 | 390 | Int_t lab[4]; |
391 | lab[0]=p->GetLabel(0); lab[1]=p->GetLabel(1); lab[2]=p->GetLabel(2); | |
1cca57bf | 392 | lab[3]=fNdet[idx]; |
7f4044f0 | 393 | CheckLabels(lab); |
babd135a | 394 | Int_t dummy[3]={0,0,0}; |
395 | new (cl[i]) AliITSclusterV2(lab,lp, dummy); | |
7f4044f0 | 396 | } |
397 | } | |
398 | ||
7f4044f0 | 399 | //*********************************** |
400 | ||
401 | #ifndef V1 | |
402 | ||
403 | void AliITSclustererV2:: | |
404 | FindCluster(Int_t k,Int_t maxz,AliBin *bins,Int_t &n,Int_t *idx) { | |
405 | //------------------------------------------------------------ | |
406 | // returns an array of indices of digits belonging to the cluster | |
407 | // (needed when the segmentation is not regular) | |
408 | //------------------------------------------------------------ | |
409 | if (n<200) idx[n++]=bins[k].GetIndex(); | |
410 | bins[k].Use(); | |
411 | ||
412 | if (bins[k-maxz].IsNotUsed()) FindCluster(k-maxz,maxz,bins,n,idx); | |
413 | if (bins[k-1 ].IsNotUsed()) FindCluster(k-1 ,maxz,bins,n,idx); | |
414 | if (bins[k+maxz].IsNotUsed()) FindCluster(k+maxz,maxz,bins,n,idx); | |
415 | if (bins[k+1 ].IsNotUsed()) FindCluster(k+1 ,maxz,bins,n,idx); | |
416 | /* | |
417 | if (bins[k-maxz-1].IsNotUsed()) FindCluster(k-maxz-1,maxz,bins,n,idx); | |
418 | if (bins[k-maxz+1].IsNotUsed()) FindCluster(k-maxz+1,maxz,bins,n,idx); | |
419 | if (bins[k+maxz-1].IsNotUsed()) FindCluster(k+maxz-1,maxz,bins,n,idx); | |
420 | if (bins[k+maxz+1].IsNotUsed()) FindCluster(k+maxz+1,maxz,bins,n,idx); | |
421 | */ | |
422 | } | |
423 | ||
424 | void AliITSclustererV2:: | |
425 | FindClustersSPD(const TClonesArray *digits, TClonesArray *clusters) { | |
426 | //------------------------------------------------------------ | |
427 | // Actual SPD cluster finder | |
428 | //------------------------------------------------------------ | |
c391f9d9 | 429 | Int_t kNzBins = fNzSPD + 2; |
430 | const Int_t kMAXBIN=kNzBins*(fNySPD+2); | |
7f4044f0 | 431 | |
432 | Int_t ndigits=digits->GetEntriesFast(); | |
433 | AliBin *bins=new AliBin[kMAXBIN]; | |
434 | ||
435 | Int_t k; | |
436 | AliITSdigitSPD *d=0; | |
437 | for (k=0; k<ndigits; k++) { | |
438 | d=(AliITSdigitSPD*)digits->UncheckedAt(k); | |
439 | Int_t i=d->GetCoord2()+1; //y | |
440 | Int_t j=d->GetCoord1()+1; | |
c391f9d9 | 441 | bins[i*kNzBins+j].SetIndex(k); |
442 | bins[i*kNzBins+j].SetMask(1); | |
7f4044f0 | 443 | } |
444 | ||
445 | Int_t n=0; TClonesArray &cl=*clusters; | |
446 | for (k=0; k<kMAXBIN; k++) { | |
447 | if (!bins[k].IsNotUsed()) continue; | |
448 | Int_t ni=0, idx[200]; | |
c391f9d9 | 449 | FindCluster(k,kNzBins,bins,ni,idx); |
c630aafd | 450 | if (ni==200) { |
451 | Info("FindClustersSPD","Too big cluster !"); | |
452 | continue; | |
453 | } | |
babd135a | 454 | Int_t milab[10]; |
455 | for (Int_t ilab=0;ilab<10;ilab++){ | |
456 | milab[ilab]=-2; | |
457 | } | |
458 | ||
7f4044f0 | 459 | d=(AliITSdigitSPD*)digits->UncheckedAt(idx[0]); |
460 | Int_t ymin=d->GetCoord2(),ymax=ymin; | |
461 | Int_t zmin=d->GetCoord1(),zmax=zmin; | |
e43c066c | 462 | |
7f4044f0 | 463 | for (Int_t l=0; l<ni; l++) { |
464 | d=(AliITSdigitSPD*)digits->UncheckedAt(idx[l]); | |
465 | ||
466 | if (ymin > d->GetCoord2()) ymin=d->GetCoord2(); | |
467 | if (ymax < d->GetCoord2()) ymax=d->GetCoord2(); | |
468 | if (zmin > d->GetCoord1()) zmin=d->GetCoord1(); | |
469 | if (zmax < d->GetCoord1()) zmax=d->GetCoord1(); | |
e43c066c | 470 | // MI addition - find all labels in cluster |
471 | for (Int_t dlab=0;dlab<10;dlab++){ | |
babd135a | 472 | Int_t digitlab = (d->GetTracks())[dlab]; |
473 | if (digitlab<0) continue; | |
e43c066c | 474 | AddLabel(milab,digitlab); |
babd135a | 475 | } |
e43c066c | 476 | if (milab[9]>0) CheckLabels2(milab); |
477 | } | |
babd135a | 478 | CheckLabels2(milab); |
e43c066c | 479 | // |
480 | //Int_t idy = (fNlayer[fI]==0)? 2:3; | |
481 | //for (Int_t iz=zmin; iz<=zmax;iz+=2) | |
482 | //Int_t idy = (ymax-ymin)/4.; // max 2 clusters | |
483 | Int_t idy = 0; // max 2 clusters | |
484 | if (fNlayer[fI]==0 &&idy<3) idy=3; | |
485 | if (fNlayer[fI]==1 &&idy<4) idy=4; | |
486 | Int_t idz =3; | |
487 | for (Int_t iz=zmin; iz<=zmax;iz+=idz) | |
488 | for (Int_t iy=ymin; iy<=ymax;iy+=idy){ | |
489 | // | |
490 | Int_t ndigits =0; | |
0e986ef9 | 491 | Float_t y=0.,z=0.,q=0.; |
e43c066c | 492 | for (Int_t l=0; l<ni; l++) { |
493 | d=(AliITSdigitSPD*)digits->UncheckedAt(idx[l]); | |
494 | if (zmax-zmin>=idz || ymax-ymin>=idy){ | |
495 | if (TMath::Abs( d->GetCoord2()-iy)>0.75*idy) continue; | |
496 | if (TMath::Abs( d->GetCoord1()-iz)>0.75*idz) continue; | |
497 | } | |
498 | ndigits++; | |
0e986ef9 | 499 | Float_t qq=d->GetSignal(); |
e43c066c | 500 | y+=qq*fYSPD[d->GetCoord2()]; z+=qq*fZSPD[d->GetCoord1()]; q+=qq; |
501 | ||
502 | } | |
503 | if (ndigits==0) continue; | |
504 | y/=q; z/=q; | |
505 | y-=fHwSPD; z-=fHlSPD; | |
506 | ||
507 | Float_t lp[5]; | |
508 | lp[0]=-(-y+fYshift[fI]); if (fI<=fLastSPD1) lp[0]=-lp[0]; | |
509 | lp[1]= -z+fZshift[fI]; | |
510 | // Float_t factor=TMath::Max(double(ni-3.),1.5); | |
511 | Float_t factory=TMath::Max(ymax-ymin,1); | |
512 | Float_t factorz=TMath::Max(zmax-zmin,1); | |
513 | factory*= factory; | |
514 | factorz*= factorz; | |
515 | //lp[2]= (fYpitchSPD*fYpitchSPD/12.)*factory; | |
516 | //lp[3]= (fZ1pitchSPD*fZ1pitchSPD/12.)*factorz; | |
517 | lp[2]= (fYpitchSPD*fYpitchSPD/12.); | |
518 | lp[3]= (fZ1pitchSPD*fZ1pitchSPD/12.); | |
519 | //lp[4]= q; | |
520 | lp[4]= (zmax-zmin+1)*100 + (ymax-ymin+1); | |
521 | ||
522 | milab[3]=fNdet[fI]; | |
523 | d=(AliITSdigitSPD*)digits->UncheckedAt(idx[0]); | |
524 | Int_t info[3] = {ymax-ymin+1,zmax-zmin+1,fNlayer[fI]}; | |
525 | new (cl[n]) AliITSclusterV2(milab,lp,info); n++; | |
526 | } | |
7f4044f0 | 527 | } |
e43c066c | 528 | |
38bcdcc1 | 529 | delete [] bins; |
7f4044f0 | 530 | } |
531 | ||
c391f9d9 | 532 | void AliITSclustererV2::FindClustersSPD(AliITSRawStream* input, |
533 | TClonesArray** clusters) | |
534 | { | |
535 | //------------------------------------------------------------ | |
536 | // Actual SPD cluster finder for raw data | |
537 | //------------------------------------------------------------ | |
538 | ||
539 | Int_t nClustersSPD = 0; | |
540 | Int_t kNzBins = fNzSPD + 2; | |
541 | Int_t kNyBins = fNySPD + 2; | |
542 | Int_t kMaxBin = kNzBins * kNyBins; | |
5102d526 | 543 | AliBin *binsSPD = new AliBin[kMaxBin]; |
544 | AliBin *binsSPDInit = new AliBin[kMaxBin]; | |
545 | AliBin *bins = NULL; | |
c391f9d9 | 546 | |
547 | // read raw data input stream | |
548 | while (kTRUE) { | |
549 | Bool_t next = input->Next(); | |
550 | if (!next || input->IsNewModule()) { | |
551 | Int_t iModule = input->GetPrevModuleID(); | |
552 | ||
553 | // when all data from a module was read, search for clusters | |
554 | if (bins) { | |
555 | clusters[iModule] = new TClonesArray("AliITSclusterV2"); | |
556 | Int_t nClusters = 0; | |
557 | ||
558 | for (Int_t iBin = 0; iBin < kMaxBin; iBin++) { | |
559 | if (bins[iBin].IsUsed()) continue; | |
560 | Int_t nBins = 0; | |
561 | Int_t idxBins[200]; | |
562 | FindCluster(iBin, kNzBins, bins, nBins, idxBins); | |
563 | if (nBins == 200) { | |
564 | Error("FindClustersSPD", "SPD: Too big cluster !\n"); | |
565 | continue; | |
566 | } | |
567 | ||
568 | Int_t label[4]; | |
569 | label[0] = -2; | |
570 | label[1] = -2; | |
571 | label[2] = -2; | |
572 | // label[3] = iModule; | |
573 | label[3] = fNdet[iModule]; | |
574 | ||
575 | Int_t ymin = (idxBins[0] / kNzBins) - 1; | |
576 | Int_t ymax = ymin; | |
577 | Int_t zmin = (idxBins[0] % kNzBins) - 1; | |
578 | Int_t zmax = zmin; | |
c391f9d9 | 579 | for (Int_t idx = 0; idx < nBins; idx++) { |
580 | Int_t iy = (idxBins[idx] / kNzBins) - 1; | |
581 | Int_t iz = (idxBins[idx] % kNzBins) - 1; | |
582 | if (ymin > iy) ymin = iy; | |
583 | if (ymax < iy) ymax = iy; | |
584 | if (zmin > iz) zmin = iz; | |
585 | if (zmax < iz) zmax = iz; | |
c391f9d9 | 586 | } |
0e986ef9 | 587 | |
588 | Int_t idy = 0; // max 2 clusters | |
589 | if ((iModule <= fLastSPD1) &&idy<3) idy=3; | |
590 | if ((iModule > fLastSPD1) &&idy<4) idy=4; | |
591 | Int_t idz =3; | |
592 | for (Int_t iiz=zmin; iiz<=zmax;iiz+=idz) | |
593 | for (Int_t iiy=ymin; iiy<=ymax;iiy+=idy){ | |
594 | // | |
595 | Int_t ndigits =0; | |
596 | Float_t y=0.,z=0.,q=0.; | |
597 | for (Int_t idx = 0; idx < nBins; idx++) { | |
598 | Int_t iy = (idxBins[idx] / kNzBins) - 1; | |
599 | Int_t iz = (idxBins[idx] % kNzBins) - 1; | |
600 | if (zmax-zmin>=idz || ymax-ymin>=idy){ | |
601 | if (TMath::Abs(iy-iiy)>0.75*idy) continue; | |
602 | if (TMath::Abs(iz-iiz)>0.75*idz) continue; | |
603 | } | |
604 | ndigits++; | |
605 | Float_t qBin = bins[idxBins[idx]].GetQ(); | |
606 | y += qBin * fYSPD[iy]; | |
607 | z += qBin * fZSPD[iz]; | |
608 | q += qBin; | |
609 | } | |
610 | if (ndigits==0) continue; | |
611 | y /= q; | |
612 | z /= q; | |
613 | y -= fHwSPD; | |
614 | z -= fHlSPD; | |
615 | ||
616 | Float_t hit[5]; // y, z, sigma(y)^2, sigma(z)^2, charge | |
617 | hit[0] = -(-y+fYshift[iModule]); | |
618 | if (iModule <= fLastSPD1) hit[0] = -hit[0]; | |
619 | hit[1] = -z+fZshift[iModule]; | |
620 | hit[2] = fYpitchSPD*fYpitchSPD/12.; | |
621 | hit[3] = fZ1pitchSPD*fZ1pitchSPD/12.; | |
622 | // hit[4] = q; | |
623 | hit[4] = (zmax-zmin+1)*100 + (ymax-ymin+1); | |
624 | // CheckLabels(label); | |
625 | Int_t info[3]={ymax-ymin+1,zmax-zmin+1,fNlayer[iModule]}; | |
626 | new (clusters[iModule]->AddrAt(nClusters)) | |
627 | AliITSclusterV2(label, hit,info); | |
628 | nClusters++; | |
629 | } | |
c391f9d9 | 630 | } |
631 | ||
632 | nClustersSPD += nClusters; | |
5102d526 | 633 | bins = NULL; |
c391f9d9 | 634 | } |
635 | ||
636 | if (!next) break; | |
5102d526 | 637 | bins = binsSPD; |
638 | memcpy(binsSPD,binsSPDInit,sizeof(AliBin)*kMaxBin); | |
c391f9d9 | 639 | } |
640 | ||
641 | // fill the current digit into the bins array | |
642 | Int_t index = (input->GetCoord2()+1) * kNzBins + (input->GetCoord1()+1); | |
643 | bins[index].SetIndex(index); | |
644 | bins[index].SetMask(1); | |
645 | bins[index].SetQ(1); | |
646 | } | |
647 | ||
5102d526 | 648 | delete [] binsSPDInit; |
649 | delete [] binsSPD; | |
650 | ||
c391f9d9 | 651 | Info("FindClustersSPD", "found clusters in ITS SPD: %d", nClustersSPD); |
652 | } | |
653 | ||
654 | ||
7f4044f0 | 655 | Bool_t AliITSclustererV2::IsMaximum(Int_t k,Int_t max,const AliBin *bins) { |
656 | //------------------------------------------------------------ | |
657 | //is this a local maximum ? | |
658 | //------------------------------------------------------------ | |
659 | UShort_t q=bins[k].GetQ(); | |
660 | if (q==1023) return kFALSE; | |
661 | if (bins[k-max].GetQ() > q) return kFALSE; | |
662 | if (bins[k-1 ].GetQ() > q) return kFALSE; | |
663 | if (bins[k+max].GetQ() > q) return kFALSE; | |
664 | if (bins[k+1 ].GetQ() > q) return kFALSE; | |
665 | if (bins[k-max-1].GetQ() > q) return kFALSE; | |
666 | if (bins[k+max-1].GetQ() > q) return kFALSE; | |
667 | if (bins[k+max+1].GetQ() > q) return kFALSE; | |
668 | if (bins[k-max+1].GetQ() > q) return kFALSE; | |
669 | return kTRUE; | |
670 | } | |
671 | ||
672 | void AliITSclustererV2:: | |
673 | FindPeaks(Int_t k,Int_t max,AliBin *b,Int_t *idx,UInt_t *msk,Int_t& n) { | |
674 | //------------------------------------------------------------ | |
675 | //find local maxima | |
676 | //------------------------------------------------------------ | |
677 | if (n<31) | |
678 | if (IsMaximum(k,max,b)) { | |
679 | idx[n]=k; msk[n]=(2<<n); | |
680 | n++; | |
681 | } | |
682 | b[k].SetMask(0); | |
683 | if (b[k-max].GetMask()&1) FindPeaks(k-max,max,b,idx,msk,n); | |
684 | if (b[k-1 ].GetMask()&1) FindPeaks(k-1 ,max,b,idx,msk,n); | |
685 | if (b[k+max].GetMask()&1) FindPeaks(k+max,max,b,idx,msk,n); | |
686 | if (b[k+1 ].GetMask()&1) FindPeaks(k+1 ,max,b,idx,msk,n); | |
687 | } | |
688 | ||
689 | void AliITSclustererV2:: | |
690 | MarkPeak(Int_t k, Int_t max, AliBin *bins, UInt_t m) { | |
691 | //------------------------------------------------------------ | |
692 | //mark this peak | |
693 | //------------------------------------------------------------ | |
694 | UShort_t q=bins[k].GetQ(); | |
695 | ||
696 | bins[k].SetMask(bins[k].GetMask()|m); | |
697 | ||
698 | if (bins[k-max].GetQ() <= q) | |
699 | if ((bins[k-max].GetMask()&m) == 0) MarkPeak(k-max,max,bins,m); | |
700 | if (bins[k-1 ].GetQ() <= q) | |
701 | if ((bins[k-1 ].GetMask()&m) == 0) MarkPeak(k-1 ,max,bins,m); | |
702 | if (bins[k+max].GetQ() <= q) | |
703 | if ((bins[k+max].GetMask()&m) == 0) MarkPeak(k+max,max,bins,m); | |
704 | if (bins[k+1 ].GetQ() <= q) | |
705 | if ((bins[k+1 ].GetMask()&m) == 0) MarkPeak(k+1 ,max,bins,m); | |
706 | } | |
707 | ||
708 | void AliITSclustererV2:: | |
709 | MakeCluster(Int_t k,Int_t max,AliBin *bins,UInt_t m,AliITSclusterV2 &c) { | |
710 | //------------------------------------------------------------ | |
711 | //make cluster using digits of this peak | |
712 | //------------------------------------------------------------ | |
713 | Float_t q=(Float_t)bins[k].GetQ(); | |
714 | Int_t i=k/max, j=k-i*max; | |
715 | ||
716 | c.SetQ(c.GetQ()+q); | |
717 | c.SetY(c.GetY()+i*q); | |
718 | c.SetZ(c.GetZ()+j*q); | |
719 | c.SetSigmaY2(c.GetSigmaY2()+i*i*q); | |
720 | c.SetSigmaZ2(c.GetSigmaZ2()+j*j*q); | |
721 | ||
722 | bins[k].SetMask(0xFFFFFFFE); | |
723 | ||
724 | if (bins[k-max].GetMask() == m) MakeCluster(k-max,max,bins,m,c); | |
725 | if (bins[k-1 ].GetMask() == m) MakeCluster(k-1 ,max,bins,m,c); | |
726 | if (bins[k+max].GetMask() == m) MakeCluster(k+max,max,bins,m,c); | |
727 | if (bins[k+1 ].GetMask() == m) MakeCluster(k+1 ,max,bins,m,c); | |
728 | } | |
729 | ||
730 | void AliITSclustererV2:: | |
c391f9d9 | 731 | FindClustersSDD(AliBin* bins[2], Int_t nMaxBin, Int_t nzBins, |
732 | const TClonesArray *digits, TClonesArray *clusters) { | |
7f4044f0 | 733 | //------------------------------------------------------------ |
734 | // Actual SDD cluster finder | |
735 | //------------------------------------------------------------ | |
7f4044f0 | 736 | Int_t ncl=0; TClonesArray &cl=*clusters; |
737 | for (Int_t s=0; s<2; s++) | |
c391f9d9 | 738 | for (Int_t i=0; i<nMaxBin; i++) { |
7f4044f0 | 739 | if (bins[s][i].IsUsed()) continue; |
740 | Int_t idx[32]; UInt_t msk[32]; Int_t npeaks=0; | |
c391f9d9 | 741 | FindPeaks(i, nzBins, bins[s], idx, msk, npeaks); |
7f4044f0 | 742 | |
743 | if (npeaks>30) continue; | |
e43c066c | 744 | if (npeaks==0) continue; |
7f4044f0 | 745 | |
746 | Int_t k,l; | |
747 | for (k=0; k<npeaks-1; k++){//mark adjacent peaks | |
748 | if (idx[k] < 0) continue; //this peak is already removed | |
749 | for (l=k+1; l<npeaks; l++) { | |
750 | if (idx[l] < 0) continue; //this peak is already removed | |
c391f9d9 | 751 | Int_t ki=idx[k]/nzBins, kj=idx[k] - ki*nzBins; |
752 | Int_t li=idx[l]/nzBins, lj=idx[l] - li*nzBins; | |
7f4044f0 | 753 | Int_t di=TMath::Abs(ki - li); |
754 | Int_t dj=TMath::Abs(kj - lj); | |
755 | if (di>1 || dj>1) continue; | |
756 | if (bins[s][idx[k]].GetQ() > bins[s][idx[l]].GetQ()) { | |
757 | msk[l]=msk[k]; | |
758 | idx[l]*=-1; | |
759 | } else { | |
760 | msk[k]=msk[l]; | |
761 | idx[k]*=-1; | |
762 | break; | |
763 | } | |
764 | } | |
765 | } | |
766 | ||
767 | for (k=0; k<npeaks; k++) { | |
c391f9d9 | 768 | MarkPeak(TMath::Abs(idx[k]), nzBins, bins[s], msk[k]); |
7f4044f0 | 769 | } |
770 | ||
771 | for (k=0; k<npeaks; k++) { | |
772 | if (idx[k] < 0) continue; //removed peak | |
773 | AliITSclusterV2 c; | |
c391f9d9 | 774 | MakeCluster(idx[k], nzBins, bins[s], msk[k], c); |
babd135a | 775 | //mi change |
776 | Int_t milab[10]; | |
777 | for (Int_t ilab=0;ilab<10;ilab++){ | |
778 | milab[ilab]=-2; | |
779 | } | |
e43c066c | 780 | Int_t maxi=0,mini=0,maxj=0,minj=0; |
781 | //AliBin *bmax=&bins[s][idx[k]]; | |
782 | //Float_t max = TMath::Max(TMath::Abs(bmax->GetQ())/5.,3.); | |
783 | Float_t max=3; | |
784 | for (Int_t di=-2; di<=2;di++) | |
785 | for (Int_t dj=-3;dj<=3;dj++){ | |
786 | Int_t index = idx[k]+di+dj*nzBins; | |
787 | if (index<0) continue; | |
788 | if (index>=nMaxBin) continue; | |
789 | AliBin *b=&bins[s][index]; | |
790 | if (TMath::Abs(b->GetQ())>max){ | |
791 | if (di>maxi) maxi=di; | |
792 | if (di<mini) mini=di; | |
793 | if (dj>maxj) maxj=dj; | |
794 | if (dj<minj) minj=dj; | |
795 | // | |
0e986ef9 | 796 | if(digits) { |
797 | if (TMath::Abs(di)<2&&TMath::Abs(dj)<2){ | |
798 | AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex()); | |
799 | for (Int_t itrack=0;itrack<10;itrack++){ | |
800 | Int_t track = (d->GetTracks())[itrack]; | |
801 | if (track>=0) { | |
802 | AddLabel(milab, track); | |
803 | } | |
e43c066c | 804 | } |
805 | } | |
806 | } | |
807 | } | |
808 | } | |
809 | ||
810 | /* | |
811 | Float_t s2 = c.GetSigmaY2()/c.GetQ() - c.GetY()*c.GetY(); | |
812 | Float_t w=par->GetPadPitchWidth(sec); | |
813 | c.SetSigmaY2(s2); | |
814 | if (s2 != 0.) { | |
815 | c.SetSigmaY2(c.GetSigmaY2()*0.108); | |
816 | if (sec<par->GetNInnerSector()) c.SetSigmaY2(c.GetSigmaY2()*2.07); | |
817 | } | |
818 | s2 = c.GetSigmaZ2()/c.GetQ() - c.GetZ()*c.GetZ(); | |
819 | w=par->GetZWidth(); | |
820 | c.SetSigmaZ2(s2); | |
821 | ||
822 | if (s2 != 0.) { | |
823 | c.SetSigmaZ2(c.GetSigmaZ2()*0.169); | |
824 | if (sec<par->GetNInnerSector()) c.SetSigmaZ2(c.GetSigmaZ2()*1.77); | |
825 | } | |
7f4044f0 | 826 | */ |
827 | ||
828 | c.SetSigmaY2(0.0030*0.0030); | |
829 | c.SetSigmaZ2(0.0020*0.0020); | |
830 | c.SetDetectorIndex(fNdet[fI]); | |
831 | ||
832 | Float_t y=c.GetY(),z=c.GetZ(), q=c.GetQ(); | |
833 | y/=q; z/=q; | |
e43c066c | 834 | // |
835 | //Float_t s2 = c.GetSigmaY2()/c.GetQ() - y*y; | |
836 | // c.SetSigmaY2(s2); | |
837 | //s2 = c.GetSigmaZ2()/c.GetQ() - z*z; | |
838 | //c.SetSigmaZ2(s2); | |
839 | // | |
7f4044f0 | 840 | y=(y-0.5)*fYpitchSDD; |
841 | y-=fHwSDD; | |
842 | y-=fYoffSDD; //delay ? | |
843 | if (s) y=-y; | |
844 | ||
845 | z=(z-0.5)*fZpitchSDD; | |
846 | z-=fHlSDD; | |
847 | ||
f363d377 | 848 | y=-(-y+fYshift[fI]); |
849 | z= -z+fZshift[fI]; | |
7f4044f0 | 850 | c.SetY(y); |
851 | c.SetZ(z); | |
e43c066c | 852 | c.SetNy(maxj-minj+1); |
853 | c.SetNz(maxi-mini+1); | |
854 | c.SetType(npeaks); | |
e3d91d99 | 855 | c.SetQ(q/12.7); //to be consistent with the SSD charges |
856 | ||
857 | if (c.GetQ() < 20.) continue; //noise cluster | |
e43c066c | 858 | |
859 | if (digits) { | |
860 | // AliBin *b=&bins[s][idx[k]]; | |
861 | // AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex()); | |
c391f9d9 | 862 | { |
e43c066c | 863 | //Int_t lab[3]; |
864 | //lab[0]=(d->GetTracks())[0]; | |
865 | //lab[1]=(d->GetTracks())[1]; | |
866 | //lab[2]=(d->GetTracks())[2]; | |
867 | //CheckLabels(lab); | |
babd135a | 868 | CheckLabels2(milab); |
869 | c.SetLabel(milab[0],0); | |
870 | c.SetLabel(milab[1],1); | |
871 | c.SetLabel(milab[2],2); | |
e43c066c | 872 | c.SetLayer(fNlayer[fI]); |
c391f9d9 | 873 | } |
874 | } | |
7f4044f0 | 875 | new (cl[ncl]) AliITSclusterV2(c); ncl++; |
876 | } | |
877 | } | |
c391f9d9 | 878 | } |
879 | ||
880 | void AliITSclustererV2:: | |
881 | FindClustersSDD(const TClonesArray *digits, TClonesArray *clusters) { | |
882 | //------------------------------------------------------------ | |
883 | // Actual SDD cluster finder | |
884 | //------------------------------------------------------------ | |
885 | Int_t kNzBins = fNzSDD + 2; | |
886 | const Int_t kMAXBIN=kNzBins*(fNySDD+2); | |
887 | ||
888 | AliBin *bins[2]; | |
889 | bins[0]=new AliBin[kMAXBIN]; | |
890 | bins[1]=new AliBin[kMAXBIN]; | |
891 | ||
892 | AliITSdigitSDD *d=0; | |
893 | Int_t i, ndigits=digits->GetEntriesFast(); | |
894 | for (i=0; i<ndigits; i++) { | |
895 | d=(AliITSdigitSDD*)digits->UncheckedAt(i); | |
896 | Int_t y=d->GetCoord2()+1; //y | |
897 | Int_t z=d->GetCoord1()+1; //z | |
898 | Int_t q=d->GetSignal(); | |
e43c066c | 899 | if (q<3) continue; |
e3d91d99 | 900 | |
c391f9d9 | 901 | if (z <= fNzSDD) { |
902 | bins[0][y*kNzBins+z].SetQ(q); | |
903 | bins[0][y*kNzBins+z].SetMask(1); | |
904 | bins[0][y*kNzBins+z].SetIndex(i); | |
905 | } else { | |
906 | z-=fNzSDD; | |
907 | bins[1][y*kNzBins+z].SetQ(q); | |
908 | bins[1][y*kNzBins+z].SetMask(1); | |
909 | bins[1][y*kNzBins+z].SetIndex(i); | |
910 | } | |
911 | } | |
912 | ||
913 | FindClustersSDD(bins, kMAXBIN, kNzBins, digits, clusters); | |
7f4044f0 | 914 | |
915 | delete[] bins[0]; | |
916 | delete[] bins[1]; | |
0e986ef9 | 917 | |
7f4044f0 | 918 | } |
919 | ||
c391f9d9 | 920 | void AliITSclustererV2::FindClustersSDD(AliITSRawStream* input, |
921 | TClonesArray** clusters) | |
922 | { | |
923 | //------------------------------------------------------------ | |
924 | // Actual SDD cluster finder for raw data | |
925 | //------------------------------------------------------------ | |
926 | Int_t nClustersSDD = 0; | |
927 | Int_t kNzBins = fNzSDD + 2; | |
928 | Int_t kMaxBin = kNzBins * (fNySDD+2); | |
5102d526 | 929 | AliBin *binsSDDInit = new AliBin[kMaxBin]; |
930 | AliBin *binsSDD1 = new AliBin[kMaxBin]; | |
931 | AliBin *binsSDD2 = new AliBin[kMaxBin]; | |
932 | AliBin *bins[2] = {NULL, NULL}; | |
c391f9d9 | 933 | |
934 | // read raw data input stream | |
935 | while (kTRUE) { | |
936 | Bool_t next = input->Next(); | |
937 | if (!next || input->IsNewModule()) { | |
938 | Int_t iModule = input->GetPrevModuleID(); | |
939 | ||
940 | // when all data from a module was read, search for clusters | |
941 | if (bins[0]) { | |
942 | clusters[iModule] = new TClonesArray("AliITSclusterV2"); | |
943 | fI = iModule; | |
944 | FindClustersSDD(bins, kMaxBin, kNzBins, NULL, clusters[iModule]); | |
945 | Int_t nClusters = clusters[iModule]->GetEntriesFast(); | |
946 | nClustersSDD += nClusters; | |
5102d526 | 947 | bins[0] = bins[1] = NULL; |
c391f9d9 | 948 | } |
949 | ||
950 | if (!next) break; | |
5102d526 | 951 | bins[0]=binsSDD1; |
952 | bins[1]=binsSDD2; | |
953 | memcpy(binsSDD1,binsSDDInit,sizeof(AliBin)*kMaxBin); | |
954 | memcpy(binsSDD2,binsSDDInit,sizeof(AliBin)*kMaxBin); | |
c391f9d9 | 955 | } |
956 | ||
957 | // fill the current digit into the bins array | |
0e986ef9 | 958 | if(input->GetSignal()>=3) { |
959 | Int_t iz = input->GetCoord1()+1; | |
960 | Int_t side = ((iz <= fNzSDD) ? 0 : 1); | |
961 | iz -= side*fNzSDD; | |
962 | Int_t index = (input->GetCoord2()+1) * kNzBins + iz; | |
963 | bins[side][index].SetQ(input->GetSignal()); | |
964 | bins[side][index].SetMask(1); | |
965 | bins[side][index].SetIndex(index); | |
966 | } | |
c391f9d9 | 967 | } |
968 | ||
5102d526 | 969 | delete[] binsSDD1; |
970 | delete[] binsSDD2; | |
971 | delete[] binsSDDInit; | |
972 | ||
c391f9d9 | 973 | Info("FindClustersSDD", "found clusters in ITS SDD: %d", nClustersSDD); |
974 | } | |
975 | ||
e43c066c | 976 | |
977 | ||
c391f9d9 | 978 | void AliITSclustererV2:: |
979 | FindClustersSSD(Ali1Dcluster* neg, Int_t nn, | |
980 | Ali1Dcluster* pos, Int_t np, | |
981 | TClonesArray *clusters) { | |
982 | //------------------------------------------------------------ | |
983 | // Actual SSD cluster finder | |
984 | //------------------------------------------------------------ | |
985 | TClonesArray &cl=*clusters; | |
e43c066c | 986 | // |
c391f9d9 | 987 | Float_t tanp=fTanP, tann=fTanN; |
988 | if (fI>fLastSSD1) {tann=fTanP; tanp=fTanN;} | |
c391f9d9 | 989 | Int_t idet=fNdet[fI]; |
990 | Int_t ncl=0; | |
e43c066c | 991 | // |
992 | Int_t negativepair[30000]; | |
993 | Int_t cnegative[3000]; | |
994 | Int_t cused1[3000]; | |
995 | Int_t positivepair[30000]; | |
996 | Int_t cpositive[3000]; | |
997 | Int_t cused2[3000]; | |
998 | for (Int_t i=0;i<3000;i++) {cnegative[i]=0; cused1[i]=0;} | |
999 | for (Int_t i=0;i<3000;i++) {cpositive[i]=0; cused2[i]=0;} | |
b66f90a0 | 1000 | for (Int_t i=0;i<30000;i++){negativepair[i]=positivepair[i]=0;} |
0774985e | 1001 | static Short_t pairs[1000][1000]; |
1002 | memset(pairs,0,sizeof(Short_t)*1000000); | |
1003 | // Short_t ** pairs = new Short_t*[1000]; | |
1004 | // for (Int_t i=0; i<1000; i++) { | |
1005 | // pairs[i] = new Short_t[1000]; | |
1006 | // memset(pairs[i],0,sizeof(Short_t)*1000); | |
1007 | // } | |
e43c066c | 1008 | // |
1009 | // find available pairs | |
1010 | // | |
1011 | for (Int_t i=0; i<np; i++) { | |
1012 | Float_t yp=pos[i].GetY()*fYpitchSSD; | |
1013 | if (pos[i].GetQ()<3) continue; | |
1014 | for (Int_t j=0; j<nn; j++) { | |
1015 | if (neg[j].GetQ()<3) continue; | |
1016 | Float_t yn=neg[j].GetY()*fYpitchSSD; | |
1017 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1018 | Float_t yt=yn + tann*zt; | |
1019 | zt-=fHlSSD; yt-=fHwSSD; | |
1020 | if (TMath::Abs(yt)<fHwSSD+0.01) | |
1021 | if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) { | |
1022 | negativepair[i*10+cnegative[i]] =j; //index | |
1023 | positivepair[j*10+cpositive[j]] =i; | |
1024 | cnegative[i]++; //counters | |
1025 | cpositive[j]++; | |
1026 | pairs[i][j]=100; | |
1027 | } | |
1028 | } | |
1029 | } | |
1030 | // | |
1031 | for (Int_t i=0; i<np; i++) { | |
1032 | Float_t yp=pos[i].GetY()*fYpitchSSD; | |
1033 | if (pos[i].GetQ()<3) continue; | |
1034 | for (Int_t j=0; j<nn; j++) { | |
1035 | if (neg[j].GetQ()<3) continue; | |
1036 | if (cpositive[j]&&cnegative[i]) continue; | |
1037 | Float_t yn=neg[j].GetY()*fYpitchSSD; | |
1038 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1039 | Float_t yt=yn + tann*zt; | |
1040 | zt-=fHlSSD; yt-=fHwSSD; | |
1041 | if (TMath::Abs(yt)<fHwSSD+0.1) | |
1042 | if (TMath::Abs(zt)<fHlSSD+0.15) { | |
1043 | if (cnegative[i]==0) pos[i].SetNd(100); // not available pair | |
1044 | if (cpositive[j]==0) neg[j].SetNd(100); // not available pair | |
1045 | negativepair[i*10+cnegative[i]] =j; //index | |
1046 | positivepair[j*10+cpositive[j]] =i; | |
1047 | cnegative[i]++; //counters | |
1048 | cpositive[j]++; | |
1049 | pairs[i][j]=100; | |
1050 | } | |
1051 | } | |
1052 | } | |
1053 | // | |
1054 | Float_t lp[5]; | |
1055 | Int_t milab[10]; | |
1056 | Double_t ratio; | |
1057 | ||
1058 | // | |
1059 | // sign gold tracks | |
1060 | // | |
1061 | for (Int_t ip=0;ip<np;ip++){ | |
1062 | Float_t ybest=1000,zbest=1000,qbest=0; | |
1063 | // | |
1064 | // select gold clusters | |
1065 | if ( (cnegative[ip]==1) && cpositive[negativepair[10*ip]]==1){ | |
1066 | Float_t yp=pos[ip].GetY()*fYpitchSSD; | |
1067 | Int_t j = negativepair[10*ip]; | |
1068 | ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ()); | |
1069 | // | |
1070 | Float_t yn=neg[j].GetY()*fYpitchSSD; | |
1071 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1072 | Float_t yt=yn + tann*zt; | |
1073 | zt-=fHlSSD; yt-=fHwSSD; | |
1074 | ybest=yt; zbest=zt; | |
1075 | qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ()); | |
1076 | lp[0]=-(-ybest+fYshift[fI]); | |
1077 | lp[1]= -zbest+fZshift[fI]; | |
1078 | lp[2]=0.0025*0.0025; //SigmaY2 | |
1079 | lp[3]=0.110*0.110; //SigmaZ2 | |
1080 | ||
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[ip].GetLabel(ilab); | |
1085 | milab[ilab+3] = neg[j].GetLabel(ilab); | |
1086 | } | |
1087 | // | |
1088 | CheckLabels2(milab); | |
1089 | milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det | |
1090 | Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fI]}; | |
1091 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); | |
1092 | ncl++; | |
1093 | cl2->SetChargeRatio(ratio); | |
1094 | cl2->SetType(1); | |
1095 | pairs[ip][j]=1; | |
1096 | if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster | |
1097 | cl2->SetType(2); | |
1098 | pairs[ip][j]=2; | |
1099 | } | |
1100 | cused1[ip]++; | |
1101 | cused2[j]++; | |
1102 | } | |
1103 | } | |
1104 | ||
1105 | for (Int_t ip=0;ip<np;ip++){ | |
1106 | Float_t ybest=1000,zbest=1000,qbest=0; | |
1107 | // | |
1108 | // | |
1109 | // select "silber" cluster | |
1110 | if ( cnegative[ip]==1 && cpositive[negativepair[10*ip]]==2){ | |
1111 | Int_t in = negativepair[10*ip]; | |
1112 | Int_t ip2 = positivepair[10*in]; | |
1113 | if (ip2==ip) ip2 = positivepair[10*in+1]; | |
1114 | Float_t pcharge = pos[ip].GetQ()+pos[ip2].GetQ(); | |
1115 | if (TMath::Abs(pcharge-neg[in].GetQ())<10){ | |
1116 | // | |
1117 | // add first pair | |
1118 | if (pairs[ip][in]==100){ // | |
1119 | Float_t yp=pos[ip].GetY()*fYpitchSSD; | |
1120 | Float_t yn=neg[in].GetY()*fYpitchSSD; | |
1121 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1122 | Float_t yt=yn + tann*zt; | |
1123 | zt-=fHlSSD; yt-=fHwSSD; | |
1124 | ybest =yt; zbest=zt; | |
1125 | qbest =pos[ip].GetQ(); | |
1126 | lp[0]=-(-ybest+fYshift[fI]); | |
1127 | lp[1]= -zbest+fZshift[fI]; | |
1128 | lp[2]=0.0025*0.0025; //SigmaY2 | |
1129 | lp[3]=0.110*0.110; //SigmaZ2 | |
1130 | ||
1131 | lp[4]=qbest; //Q | |
1132 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
1133 | for (Int_t ilab=0;ilab<3;ilab++){ | |
1134 | milab[ilab] = pos[ip].GetLabel(ilab); | |
1135 | milab[ilab+3] = neg[in].GetLabel(ilab); | |
1136 | } | |
1137 | // | |
1138 | CheckLabels2(milab); | |
1139 | ratio = (pos[ip].GetQ()-neg[in].GetQ())/(pos[ip].GetQ()+neg[in].GetQ()); | |
1140 | milab[3]=(((ip<<10) + in)<<10) + idet; // pos|neg|det | |
1141 | Int_t info[3] = {pos[ip].GetNd(),neg[in].GetNd(),fNlayer[fI]}; | |
1142 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); | |
1143 | ncl++; | |
1144 | cl2->SetChargeRatio(ratio); | |
1145 | cl2->SetType(5); | |
1146 | pairs[ip][in] = 5; | |
1147 | if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster | |
1148 | cl2->SetType(6); | |
1149 | pairs[ip][in] = 6; | |
1150 | } | |
1151 | } | |
1152 | // | |
1153 | // add second pair | |
1154 | ||
1155 | // if (!(cused1[ip2] || cused2[in])){ // | |
1156 | if (pairs[ip2][in]==100){ | |
1157 | Float_t yp=pos[ip2].GetY()*fYpitchSSD; | |
1158 | Float_t yn=neg[in].GetY()*fYpitchSSD; | |
1159 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1160 | Float_t yt=yn + tann*zt; | |
1161 | zt-=fHlSSD; yt-=fHwSSD; | |
1162 | ybest =yt; zbest=zt; | |
1163 | qbest =pos[ip2].GetQ(); | |
1164 | lp[0]=-(-ybest+fYshift[fI]); | |
1165 | lp[1]= -zbest+fZshift[fI]; | |
1166 | lp[2]=0.0025*0.0025; //SigmaY2 | |
1167 | lp[3]=0.110*0.110; //SigmaZ2 | |
1168 | ||
1169 | lp[4]=qbest; //Q | |
1170 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
1171 | for (Int_t ilab=0;ilab<3;ilab++){ | |
1172 | milab[ilab] = pos[ip2].GetLabel(ilab); | |
1173 | milab[ilab+3] = neg[in].GetLabel(ilab); | |
1174 | } | |
1175 | // | |
1176 | CheckLabels2(milab); | |
1177 | ratio = (pos[ip2].GetQ()-neg[in].GetQ())/(pos[ip2].GetQ()+neg[in].GetQ()); | |
1178 | milab[3]=(((ip2<<10) + in)<<10) + idet; // pos|neg|det | |
1179 | Int_t info[3] = {pos[ip2].GetNd(),neg[in].GetNd(),fNlayer[fI]}; | |
1180 | AliITSclusterV2 *cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); | |
1181 | ncl++; | |
1182 | cl2->SetChargeRatio(ratio); | |
1183 | cl2->SetType(5); | |
1184 | pairs[ip2][in] =5; | |
1185 | if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster | |
1186 | cl2->SetType(6); | |
1187 | pairs[ip2][in] =6; | |
1188 | } | |
1189 | } | |
1190 | cused1[ip]++; | |
1191 | cused1[ip2]++; | |
1192 | cused2[in]++; | |
1193 | } | |
1194 | } | |
1195 | } | |
1196 | ||
1197 | // | |
1198 | for (Int_t jn=0;jn<nn;jn++){ | |
1199 | if (cused2[jn]) continue; | |
1200 | Float_t ybest=1000,zbest=1000,qbest=0; | |
1201 | // select "silber" cluster | |
1202 | if ( cpositive[jn]==1 && cnegative[positivepair[10*jn]]==2){ | |
1203 | Int_t ip = positivepair[10*jn]; | |
1204 | Int_t jn2 = negativepair[10*ip]; | |
1205 | if (jn2==jn) jn2 = negativepair[10*ip+1]; | |
1206 | Float_t pcharge = neg[jn].GetQ()+neg[jn2].GetQ(); | |
1207 | // | |
1208 | if (TMath::Abs(pcharge-pos[ip].GetQ())<10){ | |
1209 | // | |
1210 | // add first pair | |
1211 | // if (!(cused1[ip]||cused2[jn])){ | |
1212 | if (pairs[ip][jn]==100){ | |
1213 | Float_t yn=neg[jn].GetY()*fYpitchSSD; | |
1214 | Float_t yp=pos[ip].GetY()*fYpitchSSD; | |
1215 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1216 | Float_t yt=yn + tann*zt; | |
1217 | zt-=fHlSSD; yt-=fHwSSD; | |
1218 | ybest =yt; zbest=zt; | |
1219 | qbest =neg[jn].GetQ(); | |
1220 | lp[0]=-(-ybest+fYshift[fI]); | |
1221 | lp[1]= -zbest+fZshift[fI]; | |
1222 | lp[2]=0.0025*0.0025; //SigmaY2 | |
1223 | lp[3]=0.110*0.110; //SigmaZ2 | |
1224 | ||
1225 | lp[4]=qbest; //Q | |
1226 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
1227 | for (Int_t ilab=0;ilab<3;ilab++){ | |
1228 | milab[ilab] = pos[ip].GetLabel(ilab); | |
1229 | milab[ilab+3] = neg[jn].GetLabel(ilab); | |
1230 | } | |
1231 | // | |
1232 | CheckLabels2(milab); | |
1233 | ratio = (pos[ip].GetQ()-neg[jn].GetQ())/(pos[ip].GetQ()+neg[jn].GetQ()); | |
1234 | milab[3]=(((ip<<10) + jn)<<10) + idet; // pos|neg|det | |
1235 | Int_t info[3] = {pos[ip].GetNd(),neg[jn].GetNd(),fNlayer[fI]}; | |
1236 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); | |
1237 | ncl++; | |
1238 | cl2->SetChargeRatio(ratio); | |
1239 | cl2->SetType(7); | |
1240 | pairs[ip][jn] =7; | |
1241 | if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster | |
1242 | cl2->SetType(8); | |
1243 | pairs[ip][jn]=8; | |
1244 | } | |
1245 | } | |
1246 | // | |
1247 | // add second pair | |
1248 | // if (!(cused1[ip]||cused2[jn2])){ | |
1249 | if (pairs[ip][jn2]==100){ | |
1250 | Float_t yn=neg[jn2].GetY()*fYpitchSSD; | |
1251 | Double_t yp=pos[ip].GetY()*fYpitchSSD; | |
1252 | Double_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1253 | Double_t yt=yn + tann*zt; | |
1254 | zt-=fHlSSD; yt-=fHwSSD; | |
1255 | ybest =yt; zbest=zt; | |
1256 | qbest =neg[jn2].GetQ(); | |
1257 | lp[0]=-(-ybest+fYshift[fI]); | |
1258 | lp[1]= -zbest+fZshift[fI]; | |
1259 | lp[2]=0.0025*0.0025; //SigmaY2 | |
1260 | lp[3]=0.110*0.110; //SigmaZ2 | |
1261 | ||
1262 | lp[4]=qbest; //Q | |
1263 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
1264 | for (Int_t ilab=0;ilab<3;ilab++){ | |
1265 | milab[ilab] = pos[ip].GetLabel(ilab); | |
1266 | milab[ilab+3] = neg[jn2].GetLabel(ilab); | |
1267 | } | |
1268 | // | |
1269 | CheckLabels2(milab); | |
1270 | ratio = (pos[ip].GetQ()-neg[jn2].GetQ())/(pos[ip].GetQ()+neg[jn2].GetQ()); | |
1271 | milab[3]=(((ip<<10) + jn2)<<10) + idet; // pos|neg|det | |
1272 | Int_t info[3] = {pos[ip].GetNd(),neg[jn2].GetNd(),fNlayer[fI]}; | |
1273 | AliITSclusterV2* cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); | |
1274 | ncl++; | |
1275 | cl2->SetChargeRatio(ratio); | |
1276 | pairs[ip][jn2]=7; | |
1277 | cl2->SetType(7); | |
1278 | if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster | |
1279 | cl2->SetType(8); | |
1280 | pairs[ip][jn2]=8; | |
1281 | } | |
1282 | } | |
1283 | cused1[ip]++; | |
1284 | cused2[jn]++; | |
1285 | cused2[jn2]++; | |
1286 | } | |
1287 | } | |
1288 | } | |
1289 | ||
1290 | for (Int_t ip=0;ip<np;ip++){ | |
1291 | Float_t ybest=1000,zbest=1000,qbest=0; | |
1292 | // | |
1293 | // 2x2 clusters | |
1294 | // | |
1295 | if ( (cnegative[ip]<5) && cpositive[negativepair[10*ip]]<5){ | |
1296 | Float_t minchargediff =4.; | |
1297 | Int_t j=-1; | |
1298 | for (Int_t di=0;di<cnegative[ip];di++){ | |
1299 | Int_t jc = negativepair[ip*10+di]; | |
1300 | Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ(); | |
1301 | if (TMath::Abs(chargedif)<minchargediff){ | |
1302 | j =jc; | |
1303 | minchargediff = TMath::Abs(chargedif); | |
1304 | } | |
1305 | } | |
1306 | if (j<0) continue; // not proper cluster | |
1307 | Int_t count =0; | |
1308 | for (Int_t di=0;di<cnegative[ip];di++){ | |
1309 | Int_t jc = negativepair[ip*10+di]; | |
1310 | Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ(); | |
1311 | if (TMath::Abs(chargedif)<minchargediff+3.) count++; | |
1312 | } | |
1313 | if (count>1) continue; // more than one "proper" cluster for positive | |
1314 | // | |
1315 | count =0; | |
1316 | for (Int_t dj=0;dj<cpositive[j];dj++){ | |
1317 | Int_t ic = positivepair[j*10+dj]; | |
1318 | Float_t chargedif = pos[ic].GetQ()-neg[j].GetQ(); | |
1319 | if (TMath::Abs(chargedif)<minchargediff+3.) count++; | |
1320 | } | |
1321 | if (count>1) continue; // more than one "proper" cluster for negative | |
1322 | ||
1323 | Int_t jp = 0; | |
1324 | ||
1325 | count =0; | |
1326 | for (Int_t dj=0;dj<cnegative[jp];dj++){ | |
1327 | Int_t ic = positivepair[jp*10+dj]; | |
1328 | Float_t chargedif = pos[ic].GetQ()-neg[jp].GetQ(); | |
1329 | if (TMath::Abs(chargedif)<minchargediff+4.) count++; | |
1330 | } | |
1331 | if (count>1) continue; | |
1332 | if (pairs[ip][j]<100) continue; | |
1333 | // | |
1334 | //almost gold clusters | |
1335 | Float_t yp=pos[ip].GetY()*fYpitchSSD; | |
1336 | Float_t yn=neg[j].GetY()*fYpitchSSD; | |
1337 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1338 | Float_t yt=yn + tann*zt; | |
1339 | zt-=fHlSSD; yt-=fHwSSD; | |
1340 | ybest=yt; zbest=zt; | |
1341 | qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ()); | |
1342 | lp[0]=-(-ybest+fYshift[fI]); | |
1343 | lp[1]= -zbest+fZshift[fI]; | |
1344 | lp[2]=0.0025*0.0025; //SigmaY2 | |
1345 | lp[3]=0.110*0.110; //SigmaZ2 | |
1346 | lp[4]=qbest; //Q | |
1347 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
1348 | for (Int_t ilab=0;ilab<3;ilab++){ | |
1349 | milab[ilab] = pos[ip].GetLabel(ilab); | |
1350 | milab[ilab+3] = neg[j].GetLabel(ilab); | |
1351 | } | |
1352 | // | |
1353 | CheckLabels2(milab); | |
1354 | ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ()); | |
1355 | milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det | |
1356 | Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fI]}; | |
1357 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); | |
1358 | ncl++; | |
1359 | cl2->SetChargeRatio(ratio); | |
1360 | cl2->SetType(10); | |
1361 | pairs[ip][j]=10; | |
1362 | if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster | |
1363 | cl2->SetType(11); | |
1364 | pairs[ip][j]=11; | |
1365 | } | |
1366 | cused1[ip]++; | |
1367 | cused2[j]++; | |
1368 | } | |
1369 | ||
1370 | } | |
1371 | ||
1372 | // | |
c391f9d9 | 1373 | for (Int_t i=0; i<np; i++) { |
c391f9d9 | 1374 | Float_t ybest=1000,zbest=1000,qbest=0; |
1375 | Float_t yp=pos[i].GetY()*fYpitchSSD; | |
e43c066c | 1376 | if (pos[i].GetQ()<3) continue; |
c391f9d9 | 1377 | for (Int_t j=0; j<nn; j++) { |
e43c066c | 1378 | // for (Int_t di = 0;di<cpositive[i];di++){ |
1379 | // Int_t j = negativepair[10*i+di]; | |
1380 | if (neg[j].GetQ()<3) continue; | |
1381 | if (cused2[j]||cused1[i]) continue; | |
1382 | if (pairs[i][j]>0 &&pairs[i][j]<100) continue; | |
1383 | ratio = (pos[i].GetQ()-neg[j].GetQ())/(pos[i].GetQ()+neg[j].GetQ()); | |
c391f9d9 | 1384 | Float_t yn=neg[j].GetY()*fYpitchSSD; |
1385 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1386 | Float_t yt=yn + tann*zt; | |
1387 | zt-=fHlSSD; yt-=fHwSSD; | |
1388 | if (TMath::Abs(yt)<fHwSSD+0.01) | |
e43c066c | 1389 | if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) { |
c391f9d9 | 1390 | ybest=yt; zbest=zt; |
1391 | qbest=0.5*(pos[i].GetQ()+neg[j].GetQ()); | |
f363d377 | 1392 | lp[0]=-(-ybest+fYshift[fI]); |
1393 | lp[1]= -zbest+fZshift[fI]; | |
e43c066c | 1394 | lp[2]=0.0025*0.0025; //SigmaY2 |
1395 | lp[3]=0.110*0.110; //SigmaZ2 | |
1396 | ||
c391f9d9 | 1397 | lp[4]=qbest; //Q |
babd135a | 1398 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
e43c066c | 1399 | for (Int_t ilab=0;ilab<3;ilab++){ |
1400 | milab[ilab] = pos[i].GetLabel(ilab); | |
1401 | milab[ilab+3] = neg[j].GetLabel(ilab); | |
1402 | } | |
babd135a | 1403 | // |
babd135a | 1404 | CheckLabels2(milab); |
1405 | milab[3]=(((i<<10) + j)<<10) + idet; // pos|neg|det | |
e43c066c | 1406 | Int_t info[3] = {pos[i].GetNd(),neg[j].GetNd(),fNlayer[fI]}; |
1407 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); | |
1408 | ncl++; | |
1409 | cl2->SetChargeRatio(ratio); | |
1410 | cl2->SetType(100+cpositive[j]+cnegative[i]); | |
1411 | //cl2->SetType(0); | |
1412 | /* | |
1413 | if (pairs[i][j]<100){ | |
1414 | printf("problem:- %d\n", pairs[i][j]); | |
1415 | } | |
1416 | if (cnegative[i]<2&&cpositive[j]<2){ | |
1417 | printf("problem:- %d\n", pairs[i][j]); | |
1418 | } | |
1419 | */ | |
c391f9d9 | 1420 | } |
1421 | } | |
c391f9d9 | 1422 | } |
a06cb96e | 1423 | |
0774985e | 1424 | // for (Int_t i=0; i<1000; i++) delete [] pairs[i]; |
1425 | // delete [] pairs; | |
a06cb96e | 1426 | |
c391f9d9 | 1427 | } |
1428 | ||
e43c066c | 1429 | |
7f4044f0 | 1430 | void AliITSclustererV2:: |
e43c066c | 1431 | FindClustersSSD(const TClonesArray *alldigits, TClonesArray *clusters) { |
7f4044f0 | 1432 | //------------------------------------------------------------ |
1433 | // Actual SSD cluster finder | |
1434 | //------------------------------------------------------------ | |
e43c066c | 1435 | Int_t smaxall=alldigits->GetEntriesFast(); |
1436 | if (smaxall==0) return; | |
1437 | TObjArray *digits = new TObjArray; | |
1438 | for (Int_t i=0;i<smaxall; i++){ | |
1439 | AliITSdigitSSD *d=(AliITSdigitSSD*)alldigits->UncheckedAt(i); | |
1440 | if (d->GetSignal()<3) continue; | |
1441 | digits->AddLast(d); | |
1442 | } | |
1443 | Int_t smax = digits->GetEntriesFast(); | |
7f4044f0 | 1444 | if (smax==0) return; |
e43c066c | 1445 | |
7f4044f0 | 1446 | const Int_t MAX=1000; |
1447 | Int_t np=0, nn=0; | |
1448 | Ali1Dcluster pos[MAX], neg[MAX]; | |
1449 | Float_t y=0., q=0., qmax=0.; | |
1450 | Int_t lab[4]={-2,-2,-2,-2}; | |
e43c066c | 1451 | |
7f4044f0 | 1452 | AliITSdigitSSD *d=(AliITSdigitSSD*)digits->UncheckedAt(0); |
1453 | q += d->GetSignal(); | |
1454 | y += d->GetCoord2()*d->GetSignal(); | |
1455 | qmax=d->GetSignal(); | |
1456 | lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2); | |
1457 | Int_t curr=d->GetCoord2(); | |
1458 | Int_t flag=d->GetCoord1(); | |
1459 | Int_t *n=&nn; | |
1460 | Ali1Dcluster *c=neg; | |
c391f9d9 | 1461 | Int_t nd=1; |
e43c066c | 1462 | Int_t milab[10]; |
1463 | for (Int_t ilab=0;ilab<10;ilab++){ | |
1464 | milab[ilab]=-2; | |
1465 | } | |
1466 | milab[0]=d->GetTrack(0); milab[1]=d->GetTrack(1); milab[2]=d->GetTrack(2); | |
1467 | ||
7f4044f0 | 1468 | for (Int_t s=1; s<smax; s++) { |
e43c066c | 1469 | d=(AliITSdigitSSD*)digits->UncheckedAt(s); |
7f4044f0 | 1470 | Int_t strip=d->GetCoord2(); |
1471 | if ((strip-curr) > 1 || flag!=d->GetCoord1()) { | |
1472 | c[*n].SetY(y/q); | |
1473 | c[*n].SetQ(q); | |
1474 | c[*n].SetNd(nd); | |
e43c066c | 1475 | CheckLabels2(milab); |
1476 | c[*n].SetLabels(milab); | |
7f4044f0 | 1477 | //Split suspiciously big cluster |
e43c066c | 1478 | /* |
1479 | if (nd>10&&nd<16){ | |
1480 | c[*n].SetY(y/q-0.3*nd); | |
1481 | c[*n].SetQ(0.5*q); | |
1482 | (*n)++; | |
1483 | if (*n==MAX) { | |
1484 | Error("FindClustersSSD","Too many 1D clusters !"); | |
7f4044f0 | 1485 | return; |
e43c066c | 1486 | } |
1487 | c[*n].SetY(y/q-0.0*nd); | |
1488 | c[*n].SetQ(0.5*q); | |
1489 | c[*n].SetNd(nd); | |
1490 | (*n)++; | |
1491 | if (*n==MAX) { | |
1492 | Error("FindClustersSSD","Too many 1D clusters !"); | |
1493 | return; | |
1494 | } | |
1495 | // | |
1496 | c[*n].SetY(y/q+0.3*nd); | |
1497 | c[*n].SetQ(0.5*q); | |
1498 | c[*n].SetNd(nd); | |
1499 | c[*n].SetLabels(milab); | |
1500 | } | |
1501 | else{ | |
1502 | */ | |
1503 | if (nd>4&&nd<25) { | |
1504 | c[*n].SetY(y/q-0.25*nd); | |
1505 | c[*n].SetQ(0.5*q); | |
1506 | (*n)++; | |
1507 | if (*n==MAX) { | |
1508 | Error("FindClustersSSD","Too many 1D clusters !"); | |
1509 | return; | |
1510 | } | |
1511 | c[*n].SetY(y/q+0.25*nd); | |
1512 | c[*n].SetQ(0.5*q); | |
1513 | c[*n].SetNd(nd); | |
1514 | c[*n].SetLabels(milab); | |
1515 | } | |
7f4044f0 | 1516 | (*n)++; |
1517 | if (*n==MAX) { | |
c630aafd | 1518 | Error("FindClustersSSD","Too many 1D clusters !"); |
7f4044f0 | 1519 | return; |
1520 | } | |
1521 | y=q=qmax=0.; | |
1522 | nd=0; | |
1523 | lab[0]=lab[1]=lab[2]=-2; | |
e43c066c | 1524 | // |
1525 | for (Int_t ilab=0;ilab<10;ilab++){ | |
1526 | milab[ilab]=-2; | |
1527 | } | |
1528 | // | |
7f4044f0 | 1529 | if (flag!=d->GetCoord1()) { n=&np; c=pos; } |
1530 | } | |
1531 | flag=d->GetCoord1(); | |
1532 | q += d->GetSignal(); | |
1533 | y += d->GetCoord2()*d->GetSignal(); | |
1534 | nd++; | |
1535 | if (d->GetSignal()>qmax) { | |
1536 | qmax=d->GetSignal(); | |
1537 | lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2); | |
1538 | } | |
e43c066c | 1539 | for (Int_t ilab=0;ilab<10;ilab++) { |
1540 | if (d->GetTrack(ilab)>=0) AddLabel(milab, (d->GetTrack(ilab))); | |
1541 | } | |
7f4044f0 | 1542 | curr=strip; |
1543 | } | |
1544 | c[*n].SetY(y/q); | |
1545 | c[*n].SetQ(q); | |
1546 | c[*n].SetNd(nd); | |
1547 | c[*n].SetLabels(lab); | |
1548 | //Split suspiciously big cluster | |
0e986ef9 | 1549 | if (nd>4 && nd<25) { |
1550 | c[*n].SetY(y/q-0.25*nd); | |
7f4044f0 | 1551 | c[*n].SetQ(0.5*q); |
1552 | (*n)++; | |
1553 | if (*n==MAX) { | |
c630aafd | 1554 | Error("FindClustersSSD","Too many 1D clusters !"); |
7f4044f0 | 1555 | return; |
1556 | } | |
0e986ef9 | 1557 | c[*n].SetY(y/q+0.25*nd); |
7f4044f0 | 1558 | c[*n].SetQ(0.5*q); |
1559 | c[*n].SetNd(nd); | |
1560 | c[*n].SetLabels(lab); | |
1561 | } | |
1562 | (*n)++; | |
1563 | if (*n==MAX) { | |
c630aafd | 1564 | Error("FindClustersSSD","Too many 1D clusters !"); |
7f4044f0 | 1565 | return; |
1566 | } | |
1567 | ||
c391f9d9 | 1568 | FindClustersSSD(neg, nn, pos, np, clusters); |
1569 | } | |
7f4044f0 | 1570 | |
c391f9d9 | 1571 | void AliITSclustererV2::FindClustersSSD(AliITSRawStream* input, |
1572 | TClonesArray** clusters) | |
1573 | { | |
1574 | //------------------------------------------------------------ | |
1575 | // Actual SSD cluster finder for raw data | |
1576 | //------------------------------------------------------------ | |
1577 | Int_t nClustersSSD = 0; | |
1578 | const Int_t MAX = 1000; | |
1579 | Ali1Dcluster clusters1D[2][MAX]; | |
1580 | Int_t nClusters[2] = {0, 0}; | |
0e986ef9 | 1581 | Int_t lab[3]={-2,-2,-2}; |
c391f9d9 | 1582 | Float_t q = 0.; |
1583 | Float_t y = 0.; | |
1584 | Int_t nDigits = 0; | |
1585 | Int_t prevStrip = -1; | |
1586 | Int_t prevFlag = -1; | |
0e986ef9 | 1587 | Int_t prevModule = -1; |
c391f9d9 | 1588 | |
1589 | // read raw data input stream | |
1590 | while (kTRUE) { | |
1591 | Bool_t next = input->Next(); | |
1592 | ||
0e986ef9 | 1593 | if(input->GetSignal()<3 && next) continue; |
c391f9d9 | 1594 | // check if a new cluster starts |
1595 | Int_t strip = input->GetCoord2(); | |
1596 | Int_t flag = input->GetCoord1(); | |
0e986ef9 | 1597 | if ((!next || (input->GetModuleID() != prevModule)|| |
c391f9d9 | 1598 | (strip-prevStrip > 1) || (flag != prevFlag)) && |
1599 | (nDigits > 0)) { | |
1600 | if (nClusters[prevFlag] == MAX) { | |
1601 | Error("FindClustersSSD", "Too many 1D clusters !"); | |
1602 | return; | |
1603 | } | |
1604 | Ali1Dcluster& cluster = clusters1D[prevFlag][nClusters[prevFlag]++]; | |
1605 | cluster.SetY(y/q); | |
1606 | cluster.SetQ(q); | |
1607 | cluster.SetNd(nDigits); | |
0e986ef9 | 1608 | cluster.SetLabels(lab); |
c391f9d9 | 1609 | |
1610 | //Split suspiciously big cluster | |
0e986ef9 | 1611 | if (nDigits > 4&&nDigits < 25) { |
1612 | cluster.SetY(y/q - 0.25*nDigits); | |
c391f9d9 | 1613 | cluster.SetQ(0.5*q); |
1614 | if (nClusters[prevFlag] == MAX) { | |
1615 | Error("FindClustersSSD", "Too many 1D clusters !"); | |
1616 | return; | |
1617 | } | |
1618 | Ali1Dcluster& cluster2 = clusters1D[prevFlag][nClusters[prevFlag]++]; | |
0e986ef9 | 1619 | cluster2.SetY(y/q + 0.25*nDigits); |
c391f9d9 | 1620 | cluster2.SetQ(0.5*q); |
1621 | cluster2.SetNd(nDigits); | |
0e986ef9 | 1622 | cluster2.SetLabels(lab); |
7f4044f0 | 1623 | } |
c391f9d9 | 1624 | y = q = 0.; |
1625 | nDigits = 0; | |
7f4044f0 | 1626 | } |
c391f9d9 | 1627 | |
0e986ef9 | 1628 | if (!next || (input->GetModuleID() != prevModule)) { |
1629 | Int_t iModule = prevModule; | |
c391f9d9 | 1630 | |
1631 | // when all data from a module was read, search for clusters | |
1632 | if (prevFlag >= 0) { | |
1633 | clusters[iModule] = new TClonesArray("AliITSclusterV2"); | |
1634 | fI = iModule; | |
1635 | FindClustersSSD(&clusters1D[0][0], nClusters[0], | |
1636 | &clusters1D[1][0], nClusters[1], clusters[iModule]); | |
1637 | Int_t nClusters = clusters[iModule]->GetEntriesFast(); | |
1638 | nClustersSSD += nClusters; | |
1639 | } | |
1640 | ||
1641 | if (!next) break; | |
1642 | nClusters[0] = nClusters[1] = 0; | |
1643 | y = q = 0.; | |
1644 | nDigits = 0; | |
7f4044f0 | 1645 | } |
c391f9d9 | 1646 | |
1647 | // add digit to current cluster | |
1648 | q += input->GetSignal(); | |
1649 | y += strip * input->GetSignal(); | |
1650 | nDigits++; | |
1651 | prevStrip = strip; | |
1652 | prevFlag = flag; | |
0e986ef9 | 1653 | prevModule = input->GetModuleID(); |
1654 | ||
7f4044f0 | 1655 | } |
c391f9d9 | 1656 | |
1657 | Info("FindClustersSSD", "found clusters in ITS SSD: %d", nClustersSSD); | |
7f4044f0 | 1658 | } |
1659 | ||
1660 | #else //V1 | |
1661 | ||
1662 | #include "AliITSDetType.h" | |
7d62fb64 | 1663 | #include "AliITS.h" |
7f4044f0 | 1664 | #include "AliITSsegmentationSPD.h" |
1665 | #include "AliITSClusterFinderSPD.h" | |
1666 | ||
1667 | #include "AliITSresponseSDD.h" | |
1668 | #include "AliITSsegmentationSDD.h" | |
1669 | #include "AliITSClusterFinderSDD.h" | |
1670 | ||
1671 | #include "AliITSsegmentationSSD.h" | |
1672 | #include "AliITSClusterFinderSSD.h" | |
1673 | ||
1674 | ||
1675 | void AliITSclustererV2:: | |
1676 | FindClustersSPD(const TClonesArray *digits, TClonesArray *clusters) { | |
1677 | //------------------------------------------------------------ | |
1678 | // Actual SPD cluster finding based on AliITSClusterFinderSPD | |
1679 | //------------------------------------------------------------ | |
1680 | static AliITS *its=(AliITS*)gAlice->GetModule("ITS"); | |
1681 | static TClonesArray *points=its->RecPoints(); | |
1682 | static AliITSsegmentationSPD *seg= | |
1683 | (AliITSsegmentationSPD *)its->DetType(0)->GetSegmentationModel(); | |
1684 | static AliITSClusterFinderSPD cf(seg, (TClonesArray*)digits, points); | |
1685 | ||
1686 | cf.FindRawClusters(fI); | |
1cca57bf | 1687 | RecPoints2Clusters(points, fI, clusters); |
7f4044f0 | 1688 | its->ResetRecPoints(); |
1689 | ||
1690 | } | |
1691 | ||
1692 | void AliITSclustererV2:: | |
1693 | FindClustersSDD(const TClonesArray *digits, TClonesArray *clusters) { | |
1694 | //------------------------------------------------------------ | |
1695 | // Actual SDD cluster finding based on AliITSClusterFinderSDD | |
1696 | //------------------------------------------------------------ | |
1697 | static AliITS *its=(AliITS*)gAlice->GetModule("ITS"); | |
1698 | static TClonesArray *points=its->RecPoints(); | |
1699 | static AliITSresponseSDD *resp= | |
1700 | (AliITSresponseSDD *)its->DetType(1)->GetResponseModel(); | |
1701 | static AliITSsegmentationSDD *seg= | |
1702 | (AliITSsegmentationSDD *)its->DetType(1)->GetSegmentationModel(); | |
1703 | static AliITSClusterFinderSDD | |
1704 | cf(seg,resp,(TClonesArray*)digits,its->ClustersAddress(1)); | |
1705 | ||
1706 | cf.FindRawClusters(fI); | |
1cca57bf | 1707 | Int_t nc=points->GetEntriesFast(); |
1708 | while (nc--) { //To be consistent with the SSD cluster charges | |
1709 | AliITSRecPoint *p=(AliITSRecPoint*)points->UncheckedAt(nc); | |
e3d91d99 | 1710 | p->SetQ(p->GetQ()/12.); |
1cca57bf | 1711 | } |
1712 | RecPoints2Clusters(points, fI, clusters); | |
7f4044f0 | 1713 | its->ResetClusters(1); |
1714 | its->ResetRecPoints(); | |
1715 | ||
1716 | } | |
1717 | ||
1718 | void AliITSclustererV2:: | |
1719 | FindClustersSSD(const TClonesArray *digits, TClonesArray *clusters) { | |
1720 | //------------------------------------------------------------ | |
1721 | // Actual SSD cluster finding based on AliITSClusterFinderSSD | |
1722 | //------------------------------------------------------------ | |
1723 | static AliITS *its=(AliITS*)gAlice->GetModule("ITS"); | |
1724 | static TClonesArray *points=its->RecPoints(); | |
1725 | static AliITSsegmentationSSD *seg= | |
1726 | (AliITSsegmentationSSD *)its->DetType(2)->GetSegmentationModel(); | |
1727 | static AliITSClusterFinderSSD cf(seg,(TClonesArray*)digits); | |
1728 | ||
1729 | cf.FindRawClusters(fI); | |
1cca57bf | 1730 | RecPoints2Clusters(points, fI, clusters); |
7f4044f0 | 1731 | its->ResetRecPoints(); |
1732 | ||
1733 | } | |
1734 | ||
1735 | #endif |