]>
Commit | Line | Data |
---|---|---|
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> | |
79c75366 | 22 | #include "AliITSgeomTGeo.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 | ||
e56160b8 | 32 | AliITSclustererV2::AliITSclustererV2(): |
33 | fNModules(0), | |
34 | fEvent(0), | |
35 | fI(0), | |
36 | fLastSPD1(0), | |
37 | fNySPD(0), | |
38 | fNzSPD(0), | |
39 | fYpitchSPD(0), | |
40 | fZ1pitchSPD(0), | |
41 | fZ2pitchSPD(0), | |
42 | fHwSPD(0), | |
43 | fHlSPD(0), | |
44 | fNySDD(0), | |
45 | fNzSDD(0), | |
46 | fYpitchSDD(0), | |
47 | fZpitchSDD(0), | |
48 | fHwSDD(0), | |
49 | fHlSDD(0), | |
50 | fYoffSDD(0), | |
51 | fLastSSD1(0), | |
52 | fYpitchSSD(0), | |
53 | fHwSSD(0), | |
54 | fHlSSD(0), | |
55 | fTanP(0), | |
56 | fTanN(0){ | |
57 | //default constructor | |
58 | } | |
79c75366 | 59 | AliITSclustererV2::AliITSclustererV2(const Char_t *geom): |
60 | fNModules(AliITSgeomTGeo::GetNModules()), | |
e56160b8 | 61 | fEvent(0), |
62 | fI(0), | |
79c75366 | 63 | fLastSPD1(AliITSgeomTGeo::GetModuleIndex(2,1,1)-1), |
e56160b8 | 64 | fNySPD(256), |
65 | fNzSPD(160), | |
66 | fYpitchSPD(0.0050), | |
67 | fZ1pitchSPD(0.0425), | |
68 | fZ2pitchSPD(0.0625), | |
69 | fHwSPD(0.64), | |
70 | fHlSPD(3.48), | |
71 | fNySDD(256), | |
72 | fNzSDD(256), | |
73 | fYpitchSDD(0.01825), | |
74 | fZpitchSDD(0.02940), | |
75 | fHwSDD(3.5085), | |
76 | fHlSDD(3.7632), | |
77 | fYoffSDD(0.0425), | |
79c75366 | 78 | fLastSSD1(AliITSgeomTGeo::GetModuleIndex(6,1,1)-1), |
e56160b8 | 79 | fYpitchSSD(0.0095), |
80 | fHwSSD(3.65), | |
81 | fHlSSD(2.00), | |
82 | fTanP(0.0275), | |
83 | fTanN(0.0075) { | |
7f4044f0 | 84 | //------------------------------------------------------------ |
85 | // Standard constructor | |
86 | //------------------------------------------------------------ | |
79c75366 | 87 | if (geom) { |
88 | AliWarning("\"geom\" is actually a dummy argument !"); | |
c630aafd | 89 | } |
7f4044f0 | 90 | Int_t m; |
79c75366 | 91 | for (m=0; m<fNModules; m++) { |
92 | Int_t lay,lad,det; AliITSgeomTGeo::GetModuleId(m,lay,lad,det); | |
93 | const TGeoHMatrix *tm=AliITSgeomTGeo::GetTracking2LocalMatrix(m); | |
94 | fYshift[m] = (tm->Inverse()).GetTranslation()[1]; | |
95 | fZshift[m] = (tm->Inverse()).GetTranslation()[2]; | |
96 | fNdet[m] = (lad-1)*AliITSgeomTGeo::GetNDetectors(lay) + (det-1); | |
e43c066c | 97 | fNlayer[m] = lay-1; |
7f4044f0 | 98 | } |
99 | ||
100 | //SPD geometry | |
7f4044f0 | 101 | fYSPD[0]=0.5*fYpitchSPD; |
102 | for (m=1; m<fNySPD; m++) fYSPD[m]=fYSPD[m-1]+fYpitchSPD; | |
103 | fZSPD[0]=fZ1pitchSPD; | |
104 | for (m=1; m<fNzSPD; m++) { | |
105 | Double_t dz=fZ1pitchSPD; | |
106 | if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 || | |
107 | m==127 || m==128) dz=fZ2pitchSPD; | |
108 | fZSPD[m]=fZSPD[m-1]+dz; | |
109 | } | |
110 | for (m=0; m<fNzSPD; m++) { | |
111 | Double_t dz=0.5*fZ1pitchSPD; | |
112 | if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 || | |
113 | m==127 || m==128) dz=0.5*fZ2pitchSPD; | |
114 | fZSPD[m]-=dz; | |
115 | } | |
116 | ||
7f4044f0 | 117 | } |
118 | ||
e3d91d99 | 119 | |
c630aafd | 120 | Int_t AliITSclustererV2::Digits2Clusters(TTree *dTree, TTree *cTree) { |
7f4044f0 | 121 | //------------------------------------------------------------ |
122 | // This function creates ITS clusters | |
123 | //------------------------------------------------------------ | |
124 | Int_t ncl=0; | |
7f4044f0 | 125 | |
7f4044f0 | 126 | if (!dTree) { |
c630aafd | 127 | Error("Digits2Clusters","Can't get the tree with digits !"); |
128 | return 1; | |
7f4044f0 | 129 | } |
130 | ||
131 | TClonesArray *digitsSPD=new TClonesArray("AliITSdigitSPD",3000); | |
132 | dTree->SetBranchAddress("ITSDigitsSPD",&digitsSPD); | |
133 | TClonesArray *digitsSDD=new TClonesArray("AliITSdigitSDD",3000); | |
134 | dTree->SetBranchAddress("ITSDigitsSDD",&digitsSDD); | |
135 | TClonesArray *digitsSSD=new TClonesArray("AliITSdigitSSD",3000); | |
136 | dTree->SetBranchAddress("ITSDigitsSSD",&digitsSSD); | |
137 | ||
7f4044f0 | 138 | TClonesArray *clusters=new TClonesArray("AliITSclusterV2",1000); |
c630aafd | 139 | TBranch *branch=cTree->GetBranch("Clusters"); |
140 | if (!branch) cTree->Branch("Clusters",&clusters); | |
141 | else branch->SetAddress(&clusters); | |
142 | ||
143 | Int_t mmax=(Int_t)dTree->GetEntries(); | |
cbca22ab | 144 | if (mmax!=fNModules) { |
145 | Error("Digits2Clusters","Number of entries != number of modules !"); | |
146 | return 1; | |
147 | } | |
7f4044f0 | 148 | |
149 | for (fI=0; fI<mmax; fI++) { | |
150 | dTree->GetEvent(fI); | |
151 | ||
152 | if (digitsSPD->GetEntriesFast()!=0) | |
babd135a | 153 | FindClustersSPD(digitsSPD,clusters); |
154 | else | |
155 | if(digitsSDD->GetEntriesFast()!=0) | |
156 | FindClustersSDD(digitsSDD,clusters); | |
157 | else if(digitsSSD->GetEntriesFast()!=0) | |
158 | FindClustersSSD(digitsSSD,clusters); | |
159 | ||
7f4044f0 | 160 | ncl+=clusters->GetEntriesFast(); |
161 | ||
c630aafd | 162 | cTree->Fill(); |
7f4044f0 | 163 | |
164 | digitsSPD->Clear(); | |
165 | digitsSDD->Clear(); | |
166 | digitsSSD->Clear(); | |
167 | clusters->Clear(); | |
168 | } | |
c630aafd | 169 | |
170 | //cTree->Write(); | |
7f4044f0 | 171 | |
172 | delete clusters; | |
173 | ||
174 | delete digitsSPD; | |
175 | delete digitsSDD; | |
176 | delete digitsSSD; | |
177 | ||
7941072e | 178 | //delete dTree; |
179 | ||
c630aafd | 180 | Info("Digits2Clusters","Number of found clusters : %d",ncl); |
7f4044f0 | 181 | |
c630aafd | 182 | return 0; |
7f4044f0 | 183 | } |
184 | ||
7941072e | 185 | void AliITSclustererV2::Digits2Clusters(AliRawReader* rawReader) { |
c391f9d9 | 186 | //------------------------------------------------------------ |
187 | // This function creates ITS clusters from raw data | |
188 | //------------------------------------------------------------ | |
7941072e | 189 | AliRunLoader* runLoader = AliRunLoader::GetRunLoader(); |
190 | if (!runLoader) { | |
191 | Error("Digits2Clusters", "no run loader found"); | |
192 | return; | |
193 | } | |
babd135a | 194 | runLoader->LoadKinematics(); |
7941072e | 195 | AliLoader* itsLoader = runLoader->GetLoader("ITSLoader"); |
196 | if (!itsLoader) { | |
197 | Error("Digits2Clusters", "no loader for ITS found"); | |
c391f9d9 | 198 | return; |
199 | } | |
7941072e | 200 | if (!itsLoader->TreeR()) itsLoader->MakeTree("R"); |
201 | TTree* cTree = itsLoader->TreeR(); | |
c391f9d9 | 202 | |
c391f9d9 | 203 | TClonesArray *array=new TClonesArray("AliITSclusterV2",1000); |
7941072e | 204 | cTree->Branch("Clusters",&array); |
c391f9d9 | 205 | delete array; |
206 | ||
f1e0c1c5 | 207 | TClonesArray** clusters = new TClonesArray*[fNModules]; |
04fa961a | 208 | for (Int_t iModule = 0; iModule < fNModules; iModule++) { |
209 | clusters[iModule] = NULL; | |
210 | } | |
c391f9d9 | 211 | // one TClonesArray per module |
212 | ||
7941072e | 213 | rawReader->Reset(); |
214 | AliITSRawStreamSPD inputSPD(rawReader); | |
c391f9d9 | 215 | FindClustersSPD(&inputSPD, clusters); |
7941072e | 216 | |
217 | rawReader->Reset(); | |
218 | AliITSRawStreamSDD inputSDD(rawReader); | |
c391f9d9 | 219 | FindClustersSDD(&inputSDD, clusters); |
7941072e | 220 | |
221 | rawReader->Reset(); | |
222 | AliITSRawStreamSSD inputSSD(rawReader); | |
c391f9d9 | 223 | FindClustersSSD(&inputSSD, clusters); |
224 | ||
225 | // write all clusters to the tree | |
226 | Int_t nClusters = 0; | |
227 | for (Int_t iModule = 0; iModule < fNModules; iModule++) { | |
04fa961a | 228 | array = clusters[iModule]; |
c391f9d9 | 229 | if (!array) { |
230 | Error("Digits2Clusters", "data for module %d missing!", iModule); | |
231 | array = new TClonesArray("AliITSclusterV2"); | |
232 | } | |
7941072e | 233 | cTree->SetBranchAddress("Clusters", &array); |
234 | cTree->Fill(); | |
c391f9d9 | 235 | nClusters += array->GetEntriesFast(); |
236 | delete array; | |
237 | } | |
7941072e | 238 | itsLoader->WriteRecPoints("OVERWRITE"); |
c391f9d9 | 239 | |
04fa961a | 240 | delete[] clusters; |
241 | ||
c391f9d9 | 242 | Info("Digits2Clusters", "total number of found clusters in ITS: %d\n", |
243 | nClusters); | |
244 | } | |
245 | ||
7f4044f0 | 246 | //**** Fast clusters ******************************* |
247 | #include "TParticle.h" | |
248 | ||
7d62fb64 | 249 | //#include "AliITS.h" |
7f4044f0 | 250 | #include "AliITSmodule.h" |
251 | #include "AliITSRecPoint.h" | |
252 | #include "AliITSsimulationFastPoints.h" | |
253 | #include "AliITSRecPoint.h" | |
254 | ||
7d62fb64 | 255 | |
7f4044f0 | 256 | static void CheckLabels(Int_t lab[3]) { |
257 | //------------------------------------------------------------ | |
258 | // Tries to find mother's labels | |
259 | //------------------------------------------------------------ | |
260 | Int_t label=lab[0]; | |
261 | if (label>=0) { | |
5d12ce38 | 262 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); |
7f4044f0 | 263 | label=-3; |
264 | while (part->P() < 0.005) { | |
265 | Int_t m=part->GetFirstMother(); | |
c630aafd | 266 | if (m<0) { |
267 | Info("CheckLabels","Primary momentum: %f",part->P()); | |
268 | break; | |
269 | } | |
1cca57bf | 270 | if (part->GetStatusCode()>0) { |
c630aafd | 271 | Info("CheckLabels","Primary momentum: %f",part->P()); |
272 | break; | |
1cca57bf | 273 | } |
7f4044f0 | 274 | label=m; |
5d12ce38 | 275 | part=(TParticle*)gAlice->GetMCApp()->Particle(label); |
7f4044f0 | 276 | } |
277 | if (lab[1]<0) lab[1]=label; | |
278 | else if (lab[2]<0) lab[2]=label; | |
279 | else ;//cerr<<"CheckLabels : No empty labels !\n"; | |
280 | } | |
281 | } | |
7d62fb64 | 282 | |
283 | /* | |
babd135a | 284 | static void CheckLabels(Int_t lab[3]) { |
285 | //------------------------------------------------------------ | |
286 | // Tries to find mother's labels | |
287 | //------------------------------------------------------------ | |
288 | ||
0e986ef9 | 289 | if(lab[0]<0 && lab[1]<0 && lab[2]<0) return; // In case of no labels just exit |
290 | ||
babd135a | 291 | Int_t ntracks = gAlice->GetMCApp()->GetNtrack(); |
292 | for (Int_t i=0;i<3;i++){ | |
293 | Int_t label = lab[i]; | |
294 | if (label>=0 && label<ntracks) { | |
295 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); | |
296 | if (part->P() < 0.005) { | |
297 | Int_t m=part->GetFirstMother(); | |
298 | if (m<0) { | |
299 | continue; | |
300 | } | |
301 | if (part->GetStatusCode()>0) { | |
302 | continue; | |
303 | } | |
304 | lab[i]=m; | |
305 | } | |
306 | } | |
307 | } | |
308 | ||
309 | } | |
7d62fb64 | 310 | */ |
babd135a | 311 | static void CheckLabels2(Int_t lab[10]) { |
312 | //------------------------------------------------------------ | |
313 | // Tries to find mother's labels | |
314 | //------------------------------------------------------------ | |
e43c066c | 315 | Int_t nlabels =0; |
316 | for (Int_t i=0;i<10;i++) if (lab[i]>=0) nlabels++; | |
0e986ef9 | 317 | if(nlabels == 0) return; // In case of no labels just exit |
318 | ||
319 | Int_t ntracks = gAlice->GetMCApp()->GetNtrack(); | |
e43c066c | 320 | |
babd135a | 321 | for (Int_t i=0;i<10;i++){ |
322 | Int_t label = lab[i]; | |
323 | if (label>=0 && label<ntracks) { | |
324 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); | |
e43c066c | 325 | if (part->P() < 0.02) { |
326 | Int_t m=part->GetFirstMother(); | |
327 | if (m<0) { | |
328 | continue; | |
329 | } | |
330 | if (part->GetStatusCode()>0) { | |
331 | continue; | |
332 | } | |
333 | lab[i]=m; | |
334 | } | |
335 | else | |
336 | if (part->P() < 0.12 && nlabels>3) { | |
337 | lab[i]=-2; | |
338 | nlabels--; | |
339 | } | |
340 | } | |
341 | else{ | |
342 | if ( (label>ntracks||label <0) && nlabels>3) { | |
343 | lab[i]=-2; | |
344 | nlabels--; | |
345 | } | |
346 | } | |
347 | } | |
348 | if (nlabels>3){ | |
349 | for (Int_t i=0;i<10;i++){ | |
350 | if (nlabels>3){ | |
351 | Int_t label = lab[i]; | |
352 | if (label>=0 && label<ntracks) { | |
353 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); | |
354 | if (part->P() < 0.1) { | |
355 | lab[i]=-2; | |
356 | nlabels--; | |
357 | } | |
babd135a | 358 | } |
babd135a | 359 | } |
e43c066c | 360 | } |
babd135a | 361 | } |
e43c066c | 362 | |
babd135a | 363 | //compress labels -- if multi-times the same |
364 | Int_t lab2[10]; | |
365 | for (Int_t i=0;i<10;i++) lab2[i]=-2; | |
366 | for (Int_t i=0;i<10 ;i++){ | |
367 | if (lab[i]<0) continue; | |
368 | for (Int_t j=0;j<10 &&lab2[j]!=lab[i];j++){ | |
369 | if (lab2[j]<0) { | |
370 | lab2[j]= lab[i]; | |
371 | break; | |
372 | } | |
373 | } | |
374 | } | |
375 | for (Int_t j=0;j<10;j++) lab[j]=lab2[j]; | |
376 | ||
377 | } | |
378 | ||
379 | static void AddLabel(Int_t lab[10], Int_t label) { | |
0e986ef9 | 380 | |
381 | if(label<0) return; // In case of no label just exit | |
382 | ||
e43c066c | 383 | Int_t ntracks = gAlice->GetMCApp()->GetNtrack(); |
384 | if (label>ntracks) return; | |
babd135a | 385 | for (Int_t i=0;i<10;i++){ |
0e986ef9 | 386 | // if (label<0) break; |
babd135a | 387 | if (lab[i]==label) break; |
388 | if (lab[i]<0) { | |
389 | lab[i]= label; | |
390 | break; | |
391 | } | |
392 | } | |
393 | } | |
7f4044f0 | 394 | |
1cca57bf | 395 | void AliITSclustererV2::RecPoints2Clusters |
396 | (const TClonesArray *points, Int_t idx, TClonesArray *clusters) { | |
7f4044f0 | 397 | //------------------------------------------------------------ |
1cca57bf | 398 | // Conversion AliITSRecPoint -> AliITSclusterV2 for the ITS |
399 | // subdetector indexed by idx | |
7f4044f0 | 400 | //------------------------------------------------------------ |
401 | TClonesArray &cl=*clusters; | |
402 | Int_t ncl=points->GetEntriesFast(); | |
403 | for (Int_t i=0; i<ncl; i++) { | |
404 | AliITSRecPoint *p = (AliITSRecPoint *)points->UncheckedAt(i); | |
405 | Float_t lp[5]; | |
00a7cc50 | 406 | lp[0]=-(-p->GetDetLocalX()+fYshift[idx]); if (idx<=fLastSPD1) lp[0]*=-1; //SPD1 |
f363d377 | 407 | lp[1]= -p->GetZ()+fZshift[idx]; |
00a7cc50 | 408 | lp[2]=p->GetSigmaDetLocX2(); |
1cca57bf | 409 | lp[3]=p->GetSigmaZ2(); |
b6087704 | 410 | lp[4]=p->GetQ()*36./23333.; //electrons -> ADC |
7f4044f0 | 411 | Int_t lab[4]; |
412 | lab[0]=p->GetLabel(0); lab[1]=p->GetLabel(1); lab[2]=p->GetLabel(2); | |
1cca57bf | 413 | lab[3]=fNdet[idx]; |
7f4044f0 | 414 | CheckLabels(lab); |
babd135a | 415 | Int_t dummy[3]={0,0,0}; |
416 | new (cl[i]) AliITSclusterV2(lab,lp, dummy); | |
7f4044f0 | 417 | } |
418 | } | |
419 | ||
7f4044f0 | 420 | //*********************************** |
421 | ||
422 | #ifndef V1 | |
423 | ||
424 | void AliITSclustererV2:: | |
425 | FindCluster(Int_t k,Int_t maxz,AliBin *bins,Int_t &n,Int_t *idx) { | |
426 | //------------------------------------------------------------ | |
427 | // returns an array of indices of digits belonging to the cluster | |
428 | // (needed when the segmentation is not regular) | |
429 | //------------------------------------------------------------ | |
430 | if (n<200) idx[n++]=bins[k].GetIndex(); | |
431 | bins[k].Use(); | |
432 | ||
433 | if (bins[k-maxz].IsNotUsed()) FindCluster(k-maxz,maxz,bins,n,idx); | |
434 | if (bins[k-1 ].IsNotUsed()) FindCluster(k-1 ,maxz,bins,n,idx); | |
435 | if (bins[k+maxz].IsNotUsed()) FindCluster(k+maxz,maxz,bins,n,idx); | |
436 | if (bins[k+1 ].IsNotUsed()) FindCluster(k+1 ,maxz,bins,n,idx); | |
437 | /* | |
438 | if (bins[k-maxz-1].IsNotUsed()) FindCluster(k-maxz-1,maxz,bins,n,idx); | |
439 | if (bins[k-maxz+1].IsNotUsed()) FindCluster(k-maxz+1,maxz,bins,n,idx); | |
440 | if (bins[k+maxz-1].IsNotUsed()) FindCluster(k+maxz-1,maxz,bins,n,idx); | |
441 | if (bins[k+maxz+1].IsNotUsed()) FindCluster(k+maxz+1,maxz,bins,n,idx); | |
442 | */ | |
443 | } | |
444 | ||
445 | void AliITSclustererV2:: | |
446 | FindClustersSPD(const TClonesArray *digits, TClonesArray *clusters) { | |
447 | //------------------------------------------------------------ | |
448 | // Actual SPD cluster finder | |
449 | //------------------------------------------------------------ | |
c391f9d9 | 450 | Int_t kNzBins = fNzSPD + 2; |
451 | const Int_t kMAXBIN=kNzBins*(fNySPD+2); | |
7f4044f0 | 452 | |
453 | Int_t ndigits=digits->GetEntriesFast(); | |
454 | AliBin *bins=new AliBin[kMAXBIN]; | |
455 | ||
456 | Int_t k; | |
457 | AliITSdigitSPD *d=0; | |
458 | for (k=0; k<ndigits; k++) { | |
459 | d=(AliITSdigitSPD*)digits->UncheckedAt(k); | |
460 | Int_t i=d->GetCoord2()+1; //y | |
461 | Int_t j=d->GetCoord1()+1; | |
c391f9d9 | 462 | bins[i*kNzBins+j].SetIndex(k); |
463 | bins[i*kNzBins+j].SetMask(1); | |
7f4044f0 | 464 | } |
465 | ||
466 | Int_t n=0; TClonesArray &cl=*clusters; | |
467 | for (k=0; k<kMAXBIN; k++) { | |
468 | if (!bins[k].IsNotUsed()) continue; | |
469 | Int_t ni=0, idx[200]; | |
c391f9d9 | 470 | FindCluster(k,kNzBins,bins,ni,idx); |
c630aafd | 471 | if (ni==200) { |
472 | Info("FindClustersSPD","Too big cluster !"); | |
473 | continue; | |
474 | } | |
babd135a | 475 | Int_t milab[10]; |
476 | for (Int_t ilab=0;ilab<10;ilab++){ | |
477 | milab[ilab]=-2; | |
478 | } | |
479 | ||
7f4044f0 | 480 | d=(AliITSdigitSPD*)digits->UncheckedAt(idx[0]); |
481 | Int_t ymin=d->GetCoord2(),ymax=ymin; | |
482 | Int_t zmin=d->GetCoord1(),zmax=zmin; | |
e43c066c | 483 | |
7f4044f0 | 484 | for (Int_t l=0; l<ni; l++) { |
485 | d=(AliITSdigitSPD*)digits->UncheckedAt(idx[l]); | |
486 | ||
487 | if (ymin > d->GetCoord2()) ymin=d->GetCoord2(); | |
488 | if (ymax < d->GetCoord2()) ymax=d->GetCoord2(); | |
489 | if (zmin > d->GetCoord1()) zmin=d->GetCoord1(); | |
490 | if (zmax < d->GetCoord1()) zmax=d->GetCoord1(); | |
e43c066c | 491 | // MI addition - find all labels in cluster |
492 | for (Int_t dlab=0;dlab<10;dlab++){ | |
babd135a | 493 | Int_t digitlab = (d->GetTracks())[dlab]; |
494 | if (digitlab<0) continue; | |
e43c066c | 495 | AddLabel(milab,digitlab); |
babd135a | 496 | } |
e43c066c | 497 | if (milab[9]>0) CheckLabels2(milab); |
498 | } | |
babd135a | 499 | CheckLabels2(milab); |
e43c066c | 500 | // |
501 | //Int_t idy = (fNlayer[fI]==0)? 2:3; | |
502 | //for (Int_t iz=zmin; iz<=zmax;iz+=2) | |
503 | //Int_t idy = (ymax-ymin)/4.; // max 2 clusters | |
504 | Int_t idy = 0; // max 2 clusters | |
505 | if (fNlayer[fI]==0 &&idy<3) idy=3; | |
506 | if (fNlayer[fI]==1 &&idy<4) idy=4; | |
507 | Int_t idz =3; | |
508 | for (Int_t iz=zmin; iz<=zmax;iz+=idz) | |
509 | for (Int_t iy=ymin; iy<=ymax;iy+=idy){ | |
510 | // | |
511 | Int_t ndigits =0; | |
0e986ef9 | 512 | Float_t y=0.,z=0.,q=0.; |
e43c066c | 513 | for (Int_t l=0; l<ni; l++) { |
514 | d=(AliITSdigitSPD*)digits->UncheckedAt(idx[l]); | |
515 | if (zmax-zmin>=idz || ymax-ymin>=idy){ | |
516 | if (TMath::Abs( d->GetCoord2()-iy)>0.75*idy) continue; | |
517 | if (TMath::Abs( d->GetCoord1()-iz)>0.75*idz) continue; | |
518 | } | |
519 | ndigits++; | |
0e986ef9 | 520 | Float_t qq=d->GetSignal(); |
e43c066c | 521 | y+=qq*fYSPD[d->GetCoord2()]; z+=qq*fZSPD[d->GetCoord1()]; q+=qq; |
522 | ||
523 | } | |
524 | if (ndigits==0) continue; | |
525 | y/=q; z/=q; | |
526 | y-=fHwSPD; z-=fHlSPD; | |
527 | ||
528 | Float_t lp[5]; | |
529 | lp[0]=-(-y+fYshift[fI]); if (fI<=fLastSPD1) lp[0]=-lp[0]; | |
530 | lp[1]= -z+fZshift[fI]; | |
531 | // Float_t factor=TMath::Max(double(ni-3.),1.5); | |
532 | Float_t factory=TMath::Max(ymax-ymin,1); | |
533 | Float_t factorz=TMath::Max(zmax-zmin,1); | |
534 | factory*= factory; | |
535 | factorz*= factorz; | |
536 | //lp[2]= (fYpitchSPD*fYpitchSPD/12.)*factory; | |
537 | //lp[3]= (fZ1pitchSPD*fZ1pitchSPD/12.)*factorz; | |
538 | lp[2]= (fYpitchSPD*fYpitchSPD/12.); | |
539 | lp[3]= (fZ1pitchSPD*fZ1pitchSPD/12.); | |
540 | //lp[4]= q; | |
541 | lp[4]= (zmax-zmin+1)*100 + (ymax-ymin+1); | |
542 | ||
543 | milab[3]=fNdet[fI]; | |
544 | d=(AliITSdigitSPD*)digits->UncheckedAt(idx[0]); | |
545 | Int_t info[3] = {ymax-ymin+1,zmax-zmin+1,fNlayer[fI]}; | |
546 | new (cl[n]) AliITSclusterV2(milab,lp,info); n++; | |
547 | } | |
7f4044f0 | 548 | } |
e43c066c | 549 | |
38bcdcc1 | 550 | delete [] bins; |
7f4044f0 | 551 | } |
552 | ||
c391f9d9 | 553 | void AliITSclustererV2::FindClustersSPD(AliITSRawStream* input, |
554 | TClonesArray** clusters) | |
555 | { | |
556 | //------------------------------------------------------------ | |
557 | // Actual SPD cluster finder for raw data | |
558 | //------------------------------------------------------------ | |
559 | ||
560 | Int_t nClustersSPD = 0; | |
561 | Int_t kNzBins = fNzSPD + 2; | |
562 | Int_t kNyBins = fNySPD + 2; | |
563 | Int_t kMaxBin = kNzBins * kNyBins; | |
5102d526 | 564 | AliBin *binsSPD = new AliBin[kMaxBin]; |
565 | AliBin *binsSPDInit = new AliBin[kMaxBin]; | |
566 | AliBin *bins = NULL; | |
c391f9d9 | 567 | |
568 | // read raw data input stream | |
569 | while (kTRUE) { | |
570 | Bool_t next = input->Next(); | |
571 | if (!next || input->IsNewModule()) { | |
572 | Int_t iModule = input->GetPrevModuleID(); | |
573 | ||
574 | // when all data from a module was read, search for clusters | |
575 | if (bins) { | |
576 | clusters[iModule] = new TClonesArray("AliITSclusterV2"); | |
577 | Int_t nClusters = 0; | |
578 | ||
579 | for (Int_t iBin = 0; iBin < kMaxBin; iBin++) { | |
580 | if (bins[iBin].IsUsed()) continue; | |
581 | Int_t nBins = 0; | |
582 | Int_t idxBins[200]; | |
583 | FindCluster(iBin, kNzBins, bins, nBins, idxBins); | |
584 | if (nBins == 200) { | |
585 | Error("FindClustersSPD", "SPD: Too big cluster !\n"); | |
586 | continue; | |
587 | } | |
588 | ||
589 | Int_t label[4]; | |
590 | label[0] = -2; | |
591 | label[1] = -2; | |
592 | label[2] = -2; | |
593 | // label[3] = iModule; | |
594 | label[3] = fNdet[iModule]; | |
595 | ||
596 | Int_t ymin = (idxBins[0] / kNzBins) - 1; | |
597 | Int_t ymax = ymin; | |
598 | Int_t zmin = (idxBins[0] % kNzBins) - 1; | |
599 | Int_t zmax = zmin; | |
c391f9d9 | 600 | for (Int_t idx = 0; idx < nBins; idx++) { |
601 | Int_t iy = (idxBins[idx] / kNzBins) - 1; | |
602 | Int_t iz = (idxBins[idx] % kNzBins) - 1; | |
603 | if (ymin > iy) ymin = iy; | |
604 | if (ymax < iy) ymax = iy; | |
605 | if (zmin > iz) zmin = iz; | |
606 | if (zmax < iz) zmax = iz; | |
c391f9d9 | 607 | } |
0e986ef9 | 608 | |
609 | Int_t idy = 0; // max 2 clusters | |
610 | if ((iModule <= fLastSPD1) &&idy<3) idy=3; | |
611 | if ((iModule > fLastSPD1) &&idy<4) idy=4; | |
612 | Int_t idz =3; | |
613 | for (Int_t iiz=zmin; iiz<=zmax;iiz+=idz) | |
614 | for (Int_t iiy=ymin; iiy<=ymax;iiy+=idy){ | |
615 | // | |
616 | Int_t ndigits =0; | |
617 | Float_t y=0.,z=0.,q=0.; | |
618 | for (Int_t idx = 0; idx < nBins; idx++) { | |
619 | Int_t iy = (idxBins[idx] / kNzBins) - 1; | |
620 | Int_t iz = (idxBins[idx] % kNzBins) - 1; | |
621 | if (zmax-zmin>=idz || ymax-ymin>=idy){ | |
622 | if (TMath::Abs(iy-iiy)>0.75*idy) continue; | |
623 | if (TMath::Abs(iz-iiz)>0.75*idz) continue; | |
624 | } | |
625 | ndigits++; | |
626 | Float_t qBin = bins[idxBins[idx]].GetQ(); | |
627 | y += qBin * fYSPD[iy]; | |
628 | z += qBin * fZSPD[iz]; | |
629 | q += qBin; | |
630 | } | |
631 | if (ndigits==0) continue; | |
632 | y /= q; | |
633 | z /= q; | |
634 | y -= fHwSPD; | |
635 | z -= fHlSPD; | |
636 | ||
637 | Float_t hit[5]; // y, z, sigma(y)^2, sigma(z)^2, charge | |
638 | hit[0] = -(-y+fYshift[iModule]); | |
639 | if (iModule <= fLastSPD1) hit[0] = -hit[0]; | |
640 | hit[1] = -z+fZshift[iModule]; | |
641 | hit[2] = fYpitchSPD*fYpitchSPD/12.; | |
642 | hit[3] = fZ1pitchSPD*fZ1pitchSPD/12.; | |
643 | // hit[4] = q; | |
644 | hit[4] = (zmax-zmin+1)*100 + (ymax-ymin+1); | |
645 | // CheckLabels(label); | |
646 | Int_t info[3]={ymax-ymin+1,zmax-zmin+1,fNlayer[iModule]}; | |
647 | new (clusters[iModule]->AddrAt(nClusters)) | |
648 | AliITSclusterV2(label, hit,info); | |
649 | nClusters++; | |
650 | } | |
c391f9d9 | 651 | } |
652 | ||
653 | nClustersSPD += nClusters; | |
5102d526 | 654 | bins = NULL; |
c391f9d9 | 655 | } |
656 | ||
657 | if (!next) break; | |
5102d526 | 658 | bins = binsSPD; |
659 | memcpy(binsSPD,binsSPDInit,sizeof(AliBin)*kMaxBin); | |
c391f9d9 | 660 | } |
661 | ||
662 | // fill the current digit into the bins array | |
663 | Int_t index = (input->GetCoord2()+1) * kNzBins + (input->GetCoord1()+1); | |
664 | bins[index].SetIndex(index); | |
665 | bins[index].SetMask(1); | |
666 | bins[index].SetQ(1); | |
667 | } | |
668 | ||
5102d526 | 669 | delete [] binsSPDInit; |
670 | delete [] binsSPD; | |
671 | ||
c391f9d9 | 672 | Info("FindClustersSPD", "found clusters in ITS SPD: %d", nClustersSPD); |
673 | } | |
674 | ||
675 | ||
7f4044f0 | 676 | Bool_t AliITSclustererV2::IsMaximum(Int_t k,Int_t max,const AliBin *bins) { |
677 | //------------------------------------------------------------ | |
678 | //is this a local maximum ? | |
679 | //------------------------------------------------------------ | |
680 | UShort_t q=bins[k].GetQ(); | |
681 | if (q==1023) return kFALSE; | |
682 | if (bins[k-max].GetQ() > q) return kFALSE; | |
683 | if (bins[k-1 ].GetQ() > q) return kFALSE; | |
684 | if (bins[k+max].GetQ() > q) return kFALSE; | |
685 | if (bins[k+1 ].GetQ() > q) return kFALSE; | |
686 | if (bins[k-max-1].GetQ() > q) return kFALSE; | |
687 | if (bins[k+max-1].GetQ() > q) return kFALSE; | |
688 | if (bins[k+max+1].GetQ() > q) return kFALSE; | |
689 | if (bins[k-max+1].GetQ() > q) return kFALSE; | |
690 | return kTRUE; | |
691 | } | |
692 | ||
693 | void AliITSclustererV2:: | |
694 | FindPeaks(Int_t k,Int_t max,AliBin *b,Int_t *idx,UInt_t *msk,Int_t& n) { | |
695 | //------------------------------------------------------------ | |
696 | //find local maxima | |
697 | //------------------------------------------------------------ | |
698 | if (n<31) | |
699 | if (IsMaximum(k,max,b)) { | |
700 | idx[n]=k; msk[n]=(2<<n); | |
701 | n++; | |
702 | } | |
703 | b[k].SetMask(0); | |
704 | if (b[k-max].GetMask()&1) FindPeaks(k-max,max,b,idx,msk,n); | |
705 | if (b[k-1 ].GetMask()&1) FindPeaks(k-1 ,max,b,idx,msk,n); | |
706 | if (b[k+max].GetMask()&1) FindPeaks(k+max,max,b,idx,msk,n); | |
707 | if (b[k+1 ].GetMask()&1) FindPeaks(k+1 ,max,b,idx,msk,n); | |
708 | } | |
709 | ||
710 | void AliITSclustererV2:: | |
711 | MarkPeak(Int_t k, Int_t max, AliBin *bins, UInt_t m) { | |
712 | //------------------------------------------------------------ | |
713 | //mark this peak | |
714 | //------------------------------------------------------------ | |
715 | UShort_t q=bins[k].GetQ(); | |
716 | ||
717 | bins[k].SetMask(bins[k].GetMask()|m); | |
718 | ||
719 | if (bins[k-max].GetQ() <= q) | |
720 | if ((bins[k-max].GetMask()&m) == 0) MarkPeak(k-max,max,bins,m); | |
721 | if (bins[k-1 ].GetQ() <= q) | |
722 | if ((bins[k-1 ].GetMask()&m) == 0) MarkPeak(k-1 ,max,bins,m); | |
723 | if (bins[k+max].GetQ() <= q) | |
724 | if ((bins[k+max].GetMask()&m) == 0) MarkPeak(k+max,max,bins,m); | |
725 | if (bins[k+1 ].GetQ() <= q) | |
726 | if ((bins[k+1 ].GetMask()&m) == 0) MarkPeak(k+1 ,max,bins,m); | |
727 | } | |
728 | ||
729 | void AliITSclustererV2:: | |
730 | MakeCluster(Int_t k,Int_t max,AliBin *bins,UInt_t m,AliITSclusterV2 &c) { | |
731 | //------------------------------------------------------------ | |
732 | //make cluster using digits of this peak | |
733 | //------------------------------------------------------------ | |
734 | Float_t q=(Float_t)bins[k].GetQ(); | |
735 | Int_t i=k/max, j=k-i*max; | |
736 | ||
737 | c.SetQ(c.GetQ()+q); | |
738 | c.SetY(c.GetY()+i*q); | |
739 | c.SetZ(c.GetZ()+j*q); | |
740 | c.SetSigmaY2(c.GetSigmaY2()+i*i*q); | |
741 | c.SetSigmaZ2(c.GetSigmaZ2()+j*j*q); | |
742 | ||
743 | bins[k].SetMask(0xFFFFFFFE); | |
744 | ||
745 | if (bins[k-max].GetMask() == m) MakeCluster(k-max,max,bins,m,c); | |
746 | if (bins[k-1 ].GetMask() == m) MakeCluster(k-1 ,max,bins,m,c); | |
747 | if (bins[k+max].GetMask() == m) MakeCluster(k+max,max,bins,m,c); | |
748 | if (bins[k+1 ].GetMask() == m) MakeCluster(k+1 ,max,bins,m,c); | |
749 | } | |
750 | ||
751 | void AliITSclustererV2:: | |
c391f9d9 | 752 | FindClustersSDD(AliBin* bins[2], Int_t nMaxBin, Int_t nzBins, |
753 | const TClonesArray *digits, TClonesArray *clusters) { | |
7f4044f0 | 754 | //------------------------------------------------------------ |
755 | // Actual SDD cluster finder | |
756 | //------------------------------------------------------------ | |
7f4044f0 | 757 | Int_t ncl=0; TClonesArray &cl=*clusters; |
758 | for (Int_t s=0; s<2; s++) | |
c391f9d9 | 759 | for (Int_t i=0; i<nMaxBin; i++) { |
7f4044f0 | 760 | if (bins[s][i].IsUsed()) continue; |
761 | Int_t idx[32]; UInt_t msk[32]; Int_t npeaks=0; | |
c391f9d9 | 762 | FindPeaks(i, nzBins, bins[s], idx, msk, npeaks); |
7f4044f0 | 763 | |
764 | if (npeaks>30) continue; | |
e43c066c | 765 | if (npeaks==0) continue; |
7f4044f0 | 766 | |
767 | Int_t k,l; | |
768 | for (k=0; k<npeaks-1; k++){//mark adjacent peaks | |
769 | if (idx[k] < 0) continue; //this peak is already removed | |
770 | for (l=k+1; l<npeaks; l++) { | |
771 | if (idx[l] < 0) continue; //this peak is already removed | |
c391f9d9 | 772 | Int_t ki=idx[k]/nzBins, kj=idx[k] - ki*nzBins; |
773 | Int_t li=idx[l]/nzBins, lj=idx[l] - li*nzBins; | |
7f4044f0 | 774 | Int_t di=TMath::Abs(ki - li); |
775 | Int_t dj=TMath::Abs(kj - lj); | |
776 | if (di>1 || dj>1) continue; | |
777 | if (bins[s][idx[k]].GetQ() > bins[s][idx[l]].GetQ()) { | |
778 | msk[l]=msk[k]; | |
779 | idx[l]*=-1; | |
780 | } else { | |
781 | msk[k]=msk[l]; | |
782 | idx[k]*=-1; | |
783 | break; | |
784 | } | |
785 | } | |
786 | } | |
787 | ||
788 | for (k=0; k<npeaks; k++) { | |
c391f9d9 | 789 | MarkPeak(TMath::Abs(idx[k]), nzBins, bins[s], msk[k]); |
7f4044f0 | 790 | } |
791 | ||
792 | for (k=0; k<npeaks; k++) { | |
793 | if (idx[k] < 0) continue; //removed peak | |
794 | AliITSclusterV2 c; | |
c391f9d9 | 795 | MakeCluster(idx[k], nzBins, bins[s], msk[k], c); |
babd135a | 796 | //mi change |
797 | Int_t milab[10]; | |
798 | for (Int_t ilab=0;ilab<10;ilab++){ | |
799 | milab[ilab]=-2; | |
800 | } | |
e43c066c | 801 | Int_t maxi=0,mini=0,maxj=0,minj=0; |
802 | //AliBin *bmax=&bins[s][idx[k]]; | |
803 | //Float_t max = TMath::Max(TMath::Abs(bmax->GetQ())/5.,3.); | |
804 | Float_t max=3; | |
805 | for (Int_t di=-2; di<=2;di++) | |
806 | for (Int_t dj=-3;dj<=3;dj++){ | |
807 | Int_t index = idx[k]+di+dj*nzBins; | |
808 | if (index<0) continue; | |
809 | if (index>=nMaxBin) continue; | |
810 | AliBin *b=&bins[s][index]; | |
811 | if (TMath::Abs(b->GetQ())>max){ | |
812 | if (di>maxi) maxi=di; | |
813 | if (di<mini) mini=di; | |
814 | if (dj>maxj) maxj=dj; | |
815 | if (dj<minj) minj=dj; | |
816 | // | |
0e986ef9 | 817 | if(digits) { |
818 | if (TMath::Abs(di)<2&&TMath::Abs(dj)<2){ | |
819 | AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex()); | |
820 | for (Int_t itrack=0;itrack<10;itrack++){ | |
821 | Int_t track = (d->GetTracks())[itrack]; | |
822 | if (track>=0) { | |
823 | AddLabel(milab, track); | |
824 | } | |
e43c066c | 825 | } |
826 | } | |
827 | } | |
828 | } | |
829 | } | |
830 | ||
831 | /* | |
832 | Float_t s2 = c.GetSigmaY2()/c.GetQ() - c.GetY()*c.GetY(); | |
833 | Float_t w=par->GetPadPitchWidth(sec); | |
834 | c.SetSigmaY2(s2); | |
835 | if (s2 != 0.) { | |
836 | c.SetSigmaY2(c.GetSigmaY2()*0.108); | |
837 | if (sec<par->GetNInnerSector()) c.SetSigmaY2(c.GetSigmaY2()*2.07); | |
838 | } | |
839 | s2 = c.GetSigmaZ2()/c.GetQ() - c.GetZ()*c.GetZ(); | |
840 | w=par->GetZWidth(); | |
841 | c.SetSigmaZ2(s2); | |
842 | ||
843 | if (s2 != 0.) { | |
844 | c.SetSigmaZ2(c.GetSigmaZ2()*0.169); | |
845 | if (sec<par->GetNInnerSector()) c.SetSigmaZ2(c.GetSigmaZ2()*1.77); | |
846 | } | |
7f4044f0 | 847 | */ |
848 | ||
849 | c.SetSigmaY2(0.0030*0.0030); | |
850 | c.SetSigmaZ2(0.0020*0.0020); | |
851 | c.SetDetectorIndex(fNdet[fI]); | |
852 | ||
853 | Float_t y=c.GetY(),z=c.GetZ(), q=c.GetQ(); | |
854 | y/=q; z/=q; | |
e43c066c | 855 | // |
856 | //Float_t s2 = c.GetSigmaY2()/c.GetQ() - y*y; | |
857 | // c.SetSigmaY2(s2); | |
858 | //s2 = c.GetSigmaZ2()/c.GetQ() - z*z; | |
859 | //c.SetSigmaZ2(s2); | |
860 | // | |
7f4044f0 | 861 | y=(y-0.5)*fYpitchSDD; |
862 | y-=fHwSDD; | |
863 | y-=fYoffSDD; //delay ? | |
864 | if (s) y=-y; | |
865 | ||
866 | z=(z-0.5)*fZpitchSDD; | |
867 | z-=fHlSDD; | |
868 | ||
f363d377 | 869 | y=-(-y+fYshift[fI]); |
870 | z= -z+fZshift[fI]; | |
7f4044f0 | 871 | c.SetY(y); |
872 | c.SetZ(z); | |
e43c066c | 873 | c.SetNy(maxj-minj+1); |
874 | c.SetNz(maxi-mini+1); | |
875 | c.SetType(npeaks); | |
e3d91d99 | 876 | c.SetQ(q/12.7); //to be consistent with the SSD charges |
877 | ||
878 | if (c.GetQ() < 20.) continue; //noise cluster | |
e43c066c | 879 | |
880 | if (digits) { | |
881 | // AliBin *b=&bins[s][idx[k]]; | |
882 | // AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex()); | |
c391f9d9 | 883 | { |
e43c066c | 884 | //Int_t lab[3]; |
885 | //lab[0]=(d->GetTracks())[0]; | |
886 | //lab[1]=(d->GetTracks())[1]; | |
887 | //lab[2]=(d->GetTracks())[2]; | |
888 | //CheckLabels(lab); | |
babd135a | 889 | CheckLabels2(milab); |
890 | c.SetLabel(milab[0],0); | |
891 | c.SetLabel(milab[1],1); | |
892 | c.SetLabel(milab[2],2); | |
e43c066c | 893 | c.SetLayer(fNlayer[fI]); |
c391f9d9 | 894 | } |
895 | } | |
7f4044f0 | 896 | new (cl[ncl]) AliITSclusterV2(c); ncl++; |
897 | } | |
898 | } | |
c391f9d9 | 899 | } |
900 | ||
901 | void AliITSclustererV2:: | |
902 | FindClustersSDD(const TClonesArray *digits, TClonesArray *clusters) { | |
903 | //------------------------------------------------------------ | |
904 | // Actual SDD cluster finder | |
905 | //------------------------------------------------------------ | |
906 | Int_t kNzBins = fNzSDD + 2; | |
907 | const Int_t kMAXBIN=kNzBins*(fNySDD+2); | |
908 | ||
909 | AliBin *bins[2]; | |
910 | bins[0]=new AliBin[kMAXBIN]; | |
911 | bins[1]=new AliBin[kMAXBIN]; | |
912 | ||
913 | AliITSdigitSDD *d=0; | |
914 | Int_t i, ndigits=digits->GetEntriesFast(); | |
915 | for (i=0; i<ndigits; i++) { | |
916 | d=(AliITSdigitSDD*)digits->UncheckedAt(i); | |
917 | Int_t y=d->GetCoord2()+1; //y | |
918 | Int_t z=d->GetCoord1()+1; //z | |
919 | Int_t q=d->GetSignal(); | |
e43c066c | 920 | if (q<3) continue; |
e3d91d99 | 921 | |
c391f9d9 | 922 | if (z <= fNzSDD) { |
923 | bins[0][y*kNzBins+z].SetQ(q); | |
924 | bins[0][y*kNzBins+z].SetMask(1); | |
925 | bins[0][y*kNzBins+z].SetIndex(i); | |
926 | } else { | |
927 | z-=fNzSDD; | |
928 | bins[1][y*kNzBins+z].SetQ(q); | |
929 | bins[1][y*kNzBins+z].SetMask(1); | |
930 | bins[1][y*kNzBins+z].SetIndex(i); | |
931 | } | |
932 | } | |
933 | ||
934 | FindClustersSDD(bins, kMAXBIN, kNzBins, digits, clusters); | |
7f4044f0 | 935 | |
936 | delete[] bins[0]; | |
937 | delete[] bins[1]; | |
0e986ef9 | 938 | |
7f4044f0 | 939 | } |
940 | ||
c391f9d9 | 941 | void AliITSclustererV2::FindClustersSDD(AliITSRawStream* input, |
942 | TClonesArray** clusters) | |
943 | { | |
944 | //------------------------------------------------------------ | |
945 | // Actual SDD cluster finder for raw data | |
946 | //------------------------------------------------------------ | |
947 | Int_t nClustersSDD = 0; | |
948 | Int_t kNzBins = fNzSDD + 2; | |
949 | Int_t kMaxBin = kNzBins * (fNySDD+2); | |
5102d526 | 950 | AliBin *binsSDDInit = new AliBin[kMaxBin]; |
951 | AliBin *binsSDD1 = new AliBin[kMaxBin]; | |
952 | AliBin *binsSDD2 = new AliBin[kMaxBin]; | |
953 | AliBin *bins[2] = {NULL, NULL}; | |
c391f9d9 | 954 | |
955 | // read raw data input stream | |
956 | while (kTRUE) { | |
957 | Bool_t next = input->Next(); | |
958 | if (!next || input->IsNewModule()) { | |
959 | Int_t iModule = input->GetPrevModuleID(); | |
960 | ||
961 | // when all data from a module was read, search for clusters | |
962 | if (bins[0]) { | |
963 | clusters[iModule] = new TClonesArray("AliITSclusterV2"); | |
964 | fI = iModule; | |
965 | FindClustersSDD(bins, kMaxBin, kNzBins, NULL, clusters[iModule]); | |
966 | Int_t nClusters = clusters[iModule]->GetEntriesFast(); | |
967 | nClustersSDD += nClusters; | |
5102d526 | 968 | bins[0] = bins[1] = NULL; |
c391f9d9 | 969 | } |
970 | ||
971 | if (!next) break; | |
5102d526 | 972 | bins[0]=binsSDD1; |
973 | bins[1]=binsSDD2; | |
974 | memcpy(binsSDD1,binsSDDInit,sizeof(AliBin)*kMaxBin); | |
975 | memcpy(binsSDD2,binsSDDInit,sizeof(AliBin)*kMaxBin); | |
c391f9d9 | 976 | } |
977 | ||
978 | // fill the current digit into the bins array | |
0e986ef9 | 979 | if(input->GetSignal()>=3) { |
980 | Int_t iz = input->GetCoord1()+1; | |
981 | Int_t side = ((iz <= fNzSDD) ? 0 : 1); | |
982 | iz -= side*fNzSDD; | |
983 | Int_t index = (input->GetCoord2()+1) * kNzBins + iz; | |
984 | bins[side][index].SetQ(input->GetSignal()); | |
985 | bins[side][index].SetMask(1); | |
986 | bins[side][index].SetIndex(index); | |
987 | } | |
c391f9d9 | 988 | } |
989 | ||
5102d526 | 990 | delete[] binsSDD1; |
991 | delete[] binsSDD2; | |
992 | delete[] binsSDDInit; | |
993 | ||
c391f9d9 | 994 | Info("FindClustersSDD", "found clusters in ITS SDD: %d", nClustersSDD); |
995 | } | |
996 | ||
e43c066c | 997 | |
998 | ||
c391f9d9 | 999 | void AliITSclustererV2:: |
1000 | FindClustersSSD(Ali1Dcluster* neg, Int_t nn, | |
1001 | Ali1Dcluster* pos, Int_t np, | |
1002 | TClonesArray *clusters) { | |
1003 | //------------------------------------------------------------ | |
1004 | // Actual SSD cluster finder | |
1005 | //------------------------------------------------------------ | |
1006 | TClonesArray &cl=*clusters; | |
e43c066c | 1007 | // |
c391f9d9 | 1008 | Float_t tanp=fTanP, tann=fTanN; |
1009 | if (fI>fLastSSD1) {tann=fTanP; tanp=fTanN;} | |
c391f9d9 | 1010 | Int_t idet=fNdet[fI]; |
1011 | Int_t ncl=0; | |
e43c066c | 1012 | // |
1013 | Int_t negativepair[30000]; | |
1014 | Int_t cnegative[3000]; | |
1015 | Int_t cused1[3000]; | |
1016 | Int_t positivepair[30000]; | |
1017 | Int_t cpositive[3000]; | |
1018 | Int_t cused2[3000]; | |
1019 | for (Int_t i=0;i<3000;i++) {cnegative[i]=0; cused1[i]=0;} | |
1020 | for (Int_t i=0;i<3000;i++) {cpositive[i]=0; cused2[i]=0;} | |
b66f90a0 | 1021 | for (Int_t i=0;i<30000;i++){negativepair[i]=positivepair[i]=0;} |
0774985e | 1022 | static Short_t pairs[1000][1000]; |
1023 | memset(pairs,0,sizeof(Short_t)*1000000); | |
1024 | // Short_t ** pairs = new Short_t*[1000]; | |
1025 | // for (Int_t i=0; i<1000; i++) { | |
1026 | // pairs[i] = new Short_t[1000]; | |
1027 | // memset(pairs[i],0,sizeof(Short_t)*1000); | |
1028 | // } | |
e43c066c | 1029 | // |
1030 | // find available pairs | |
1031 | // | |
1032 | for (Int_t i=0; i<np; i++) { | |
1033 | Float_t yp=pos[i].GetY()*fYpitchSSD; | |
1034 | if (pos[i].GetQ()<3) continue; | |
1035 | for (Int_t j=0; j<nn; j++) { | |
1036 | if (neg[j].GetQ()<3) 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+0.01) | |
1042 | if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) { | |
1043 | negativepair[i*10+cnegative[i]] =j; //index | |
1044 | positivepair[j*10+cpositive[j]] =i; | |
1045 | cnegative[i]++; //counters | |
1046 | cpositive[j]++; | |
1047 | pairs[i][j]=100; | |
1048 | } | |
1049 | } | |
1050 | } | |
1051 | // | |
1052 | for (Int_t i=0; i<np; i++) { | |
1053 | Float_t yp=pos[i].GetY()*fYpitchSSD; | |
1054 | if (pos[i].GetQ()<3) continue; | |
1055 | for (Int_t j=0; j<nn; j++) { | |
1056 | if (neg[j].GetQ()<3) continue; | |
1057 | if (cpositive[j]&&cnegative[i]) continue; | |
1058 | Float_t yn=neg[j].GetY()*fYpitchSSD; | |
1059 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1060 | Float_t yt=yn + tann*zt; | |
1061 | zt-=fHlSSD; yt-=fHwSSD; | |
1062 | if (TMath::Abs(yt)<fHwSSD+0.1) | |
1063 | if (TMath::Abs(zt)<fHlSSD+0.15) { | |
1064 | if (cnegative[i]==0) pos[i].SetNd(100); // not available pair | |
1065 | if (cpositive[j]==0) neg[j].SetNd(100); // not available pair | |
1066 | negativepair[i*10+cnegative[i]] =j; //index | |
1067 | positivepair[j*10+cpositive[j]] =i; | |
1068 | cnegative[i]++; //counters | |
1069 | cpositive[j]++; | |
1070 | pairs[i][j]=100; | |
1071 | } | |
1072 | } | |
1073 | } | |
1074 | // | |
1075 | Float_t lp[5]; | |
1076 | Int_t milab[10]; | |
1077 | Double_t ratio; | |
1078 | ||
1079 | // | |
1080 | // sign gold tracks | |
1081 | // | |
1082 | for (Int_t ip=0;ip<np;ip++){ | |
1083 | Float_t ybest=1000,zbest=1000,qbest=0; | |
1084 | // | |
1085 | // select gold clusters | |
1086 | if ( (cnegative[ip]==1) && cpositive[negativepair[10*ip]]==1){ | |
1087 | Float_t yp=pos[ip].GetY()*fYpitchSSD; | |
1088 | Int_t j = negativepair[10*ip]; | |
1089 | ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ()); | |
1090 | // | |
1091 | Float_t yn=neg[j].GetY()*fYpitchSSD; | |
1092 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1093 | Float_t yt=yn + tann*zt; | |
1094 | zt-=fHlSSD; yt-=fHwSSD; | |
1095 | ybest=yt; zbest=zt; | |
1096 | qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ()); | |
1097 | lp[0]=-(-ybest+fYshift[fI]); | |
1098 | lp[1]= -zbest+fZshift[fI]; | |
1099 | lp[2]=0.0025*0.0025; //SigmaY2 | |
1100 | lp[3]=0.110*0.110; //SigmaZ2 | |
1101 | ||
1102 | lp[4]=qbest; //Q | |
1103 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
1104 | for (Int_t ilab=0;ilab<3;ilab++){ | |
1105 | milab[ilab] = pos[ip].GetLabel(ilab); | |
1106 | milab[ilab+3] = neg[j].GetLabel(ilab); | |
1107 | } | |
1108 | // | |
1109 | CheckLabels2(milab); | |
1110 | milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det | |
1111 | Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fI]}; | |
1112 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); | |
1113 | ncl++; | |
1114 | cl2->SetChargeRatio(ratio); | |
1115 | cl2->SetType(1); | |
1116 | pairs[ip][j]=1; | |
1117 | if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster | |
1118 | cl2->SetType(2); | |
1119 | pairs[ip][j]=2; | |
1120 | } | |
1121 | cused1[ip]++; | |
1122 | cused2[j]++; | |
1123 | } | |
1124 | } | |
1125 | ||
1126 | for (Int_t ip=0;ip<np;ip++){ | |
1127 | Float_t ybest=1000,zbest=1000,qbest=0; | |
1128 | // | |
1129 | // | |
1130 | // select "silber" cluster | |
1131 | if ( cnegative[ip]==1 && cpositive[negativepair[10*ip]]==2){ | |
1132 | Int_t in = negativepair[10*ip]; | |
1133 | Int_t ip2 = positivepair[10*in]; | |
1134 | if (ip2==ip) ip2 = positivepair[10*in+1]; | |
1135 | Float_t pcharge = pos[ip].GetQ()+pos[ip2].GetQ(); | |
1136 | if (TMath::Abs(pcharge-neg[in].GetQ())<10){ | |
1137 | // | |
1138 | // add first pair | |
1139 | if (pairs[ip][in]==100){ // | |
1140 | Float_t yp=pos[ip].GetY()*fYpitchSSD; | |
1141 | Float_t yn=neg[in].GetY()*fYpitchSSD; | |
1142 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1143 | Float_t yt=yn + tann*zt; | |
1144 | zt-=fHlSSD; yt-=fHwSSD; | |
1145 | ybest =yt; zbest=zt; | |
1146 | qbest =pos[ip].GetQ(); | |
1147 | lp[0]=-(-ybest+fYshift[fI]); | |
1148 | lp[1]= -zbest+fZshift[fI]; | |
1149 | lp[2]=0.0025*0.0025; //SigmaY2 | |
1150 | lp[3]=0.110*0.110; //SigmaZ2 | |
1151 | ||
1152 | lp[4]=qbest; //Q | |
1153 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
1154 | for (Int_t ilab=0;ilab<3;ilab++){ | |
1155 | milab[ilab] = pos[ip].GetLabel(ilab); | |
1156 | milab[ilab+3] = neg[in].GetLabel(ilab); | |
1157 | } | |
1158 | // | |
1159 | CheckLabels2(milab); | |
1160 | ratio = (pos[ip].GetQ()-neg[in].GetQ())/(pos[ip].GetQ()+neg[in].GetQ()); | |
1161 | milab[3]=(((ip<<10) + in)<<10) + idet; // pos|neg|det | |
1162 | Int_t info[3] = {pos[ip].GetNd(),neg[in].GetNd(),fNlayer[fI]}; | |
1163 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); | |
1164 | ncl++; | |
1165 | cl2->SetChargeRatio(ratio); | |
1166 | cl2->SetType(5); | |
1167 | pairs[ip][in] = 5; | |
1168 | if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster | |
1169 | cl2->SetType(6); | |
1170 | pairs[ip][in] = 6; | |
1171 | } | |
1172 | } | |
1173 | // | |
1174 | // add second pair | |
1175 | ||
1176 | // if (!(cused1[ip2] || cused2[in])){ // | |
1177 | if (pairs[ip2][in]==100){ | |
1178 | Float_t yp=pos[ip2].GetY()*fYpitchSSD; | |
1179 | Float_t yn=neg[in].GetY()*fYpitchSSD; | |
1180 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1181 | Float_t yt=yn + tann*zt; | |
1182 | zt-=fHlSSD; yt-=fHwSSD; | |
1183 | ybest =yt; zbest=zt; | |
1184 | qbest =pos[ip2].GetQ(); | |
1185 | lp[0]=-(-ybest+fYshift[fI]); | |
1186 | lp[1]= -zbest+fZshift[fI]; | |
1187 | lp[2]=0.0025*0.0025; //SigmaY2 | |
1188 | lp[3]=0.110*0.110; //SigmaZ2 | |
1189 | ||
1190 | lp[4]=qbest; //Q | |
1191 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
1192 | for (Int_t ilab=0;ilab<3;ilab++){ | |
1193 | milab[ilab] = pos[ip2].GetLabel(ilab); | |
1194 | milab[ilab+3] = neg[in].GetLabel(ilab); | |
1195 | } | |
1196 | // | |
1197 | CheckLabels2(milab); | |
1198 | ratio = (pos[ip2].GetQ()-neg[in].GetQ())/(pos[ip2].GetQ()+neg[in].GetQ()); | |
1199 | milab[3]=(((ip2<<10) + in)<<10) + idet; // pos|neg|det | |
1200 | Int_t info[3] = {pos[ip2].GetNd(),neg[in].GetNd(),fNlayer[fI]}; | |
1201 | AliITSclusterV2 *cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); | |
1202 | ncl++; | |
1203 | cl2->SetChargeRatio(ratio); | |
1204 | cl2->SetType(5); | |
1205 | pairs[ip2][in] =5; | |
1206 | if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster | |
1207 | cl2->SetType(6); | |
1208 | pairs[ip2][in] =6; | |
1209 | } | |
1210 | } | |
1211 | cused1[ip]++; | |
1212 | cused1[ip2]++; | |
1213 | cused2[in]++; | |
1214 | } | |
1215 | } | |
1216 | } | |
1217 | ||
1218 | // | |
1219 | for (Int_t jn=0;jn<nn;jn++){ | |
1220 | if (cused2[jn]) continue; | |
1221 | Float_t ybest=1000,zbest=1000,qbest=0; | |
1222 | // select "silber" cluster | |
1223 | if ( cpositive[jn]==1 && cnegative[positivepair[10*jn]]==2){ | |
1224 | Int_t ip = positivepair[10*jn]; | |
1225 | Int_t jn2 = negativepair[10*ip]; | |
1226 | if (jn2==jn) jn2 = negativepair[10*ip+1]; | |
1227 | Float_t pcharge = neg[jn].GetQ()+neg[jn2].GetQ(); | |
1228 | // | |
1229 | if (TMath::Abs(pcharge-pos[ip].GetQ())<10){ | |
1230 | // | |
1231 | // add first pair | |
1232 | // if (!(cused1[ip]||cused2[jn])){ | |
1233 | if (pairs[ip][jn]==100){ | |
1234 | Float_t yn=neg[jn].GetY()*fYpitchSSD; | |
1235 | Float_t yp=pos[ip].GetY()*fYpitchSSD; | |
1236 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1237 | Float_t yt=yn + tann*zt; | |
1238 | zt-=fHlSSD; yt-=fHwSSD; | |
1239 | ybest =yt; zbest=zt; | |
1240 | qbest =neg[jn].GetQ(); | |
1241 | lp[0]=-(-ybest+fYshift[fI]); | |
1242 | lp[1]= -zbest+fZshift[fI]; | |
1243 | lp[2]=0.0025*0.0025; //SigmaY2 | |
1244 | lp[3]=0.110*0.110; //SigmaZ2 | |
1245 | ||
1246 | lp[4]=qbest; //Q | |
1247 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
1248 | for (Int_t ilab=0;ilab<3;ilab++){ | |
1249 | milab[ilab] = pos[ip].GetLabel(ilab); | |
1250 | milab[ilab+3] = neg[jn].GetLabel(ilab); | |
1251 | } | |
1252 | // | |
1253 | CheckLabels2(milab); | |
1254 | ratio = (pos[ip].GetQ()-neg[jn].GetQ())/(pos[ip].GetQ()+neg[jn].GetQ()); | |
1255 | milab[3]=(((ip<<10) + jn)<<10) + idet; // pos|neg|det | |
1256 | Int_t info[3] = {pos[ip].GetNd(),neg[jn].GetNd(),fNlayer[fI]}; | |
1257 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); | |
1258 | ncl++; | |
1259 | cl2->SetChargeRatio(ratio); | |
1260 | cl2->SetType(7); | |
1261 | pairs[ip][jn] =7; | |
1262 | if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster | |
1263 | cl2->SetType(8); | |
1264 | pairs[ip][jn]=8; | |
1265 | } | |
1266 | } | |
1267 | // | |
1268 | // add second pair | |
1269 | // if (!(cused1[ip]||cused2[jn2])){ | |
1270 | if (pairs[ip][jn2]==100){ | |
1271 | Float_t yn=neg[jn2].GetY()*fYpitchSSD; | |
1272 | Double_t yp=pos[ip].GetY()*fYpitchSSD; | |
1273 | Double_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1274 | Double_t yt=yn + tann*zt; | |
1275 | zt-=fHlSSD; yt-=fHwSSD; | |
1276 | ybest =yt; zbest=zt; | |
1277 | qbest =neg[jn2].GetQ(); | |
1278 | lp[0]=-(-ybest+fYshift[fI]); | |
1279 | lp[1]= -zbest+fZshift[fI]; | |
1280 | lp[2]=0.0025*0.0025; //SigmaY2 | |
1281 | lp[3]=0.110*0.110; //SigmaZ2 | |
1282 | ||
1283 | lp[4]=qbest; //Q | |
1284 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
1285 | for (Int_t ilab=0;ilab<3;ilab++){ | |
1286 | milab[ilab] = pos[ip].GetLabel(ilab); | |
1287 | milab[ilab+3] = neg[jn2].GetLabel(ilab); | |
1288 | } | |
1289 | // | |
1290 | CheckLabels2(milab); | |
1291 | ratio = (pos[ip].GetQ()-neg[jn2].GetQ())/(pos[ip].GetQ()+neg[jn2].GetQ()); | |
1292 | milab[3]=(((ip<<10) + jn2)<<10) + idet; // pos|neg|det | |
1293 | Int_t info[3] = {pos[ip].GetNd(),neg[jn2].GetNd(),fNlayer[fI]}; | |
1294 | AliITSclusterV2* cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); | |
1295 | ncl++; | |
1296 | cl2->SetChargeRatio(ratio); | |
1297 | pairs[ip][jn2]=7; | |
1298 | cl2->SetType(7); | |
1299 | if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster | |
1300 | cl2->SetType(8); | |
1301 | pairs[ip][jn2]=8; | |
1302 | } | |
1303 | } | |
1304 | cused1[ip]++; | |
1305 | cused2[jn]++; | |
1306 | cused2[jn2]++; | |
1307 | } | |
1308 | } | |
1309 | } | |
1310 | ||
1311 | for (Int_t ip=0;ip<np;ip++){ | |
1312 | Float_t ybest=1000,zbest=1000,qbest=0; | |
1313 | // | |
1314 | // 2x2 clusters | |
1315 | // | |
1316 | if ( (cnegative[ip]<5) && cpositive[negativepair[10*ip]]<5){ | |
1317 | Float_t minchargediff =4.; | |
1318 | Int_t j=-1; | |
1319 | for (Int_t di=0;di<cnegative[ip];di++){ | |
1320 | Int_t jc = negativepair[ip*10+di]; | |
1321 | Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ(); | |
1322 | if (TMath::Abs(chargedif)<minchargediff){ | |
1323 | j =jc; | |
1324 | minchargediff = TMath::Abs(chargedif); | |
1325 | } | |
1326 | } | |
1327 | if (j<0) continue; // not proper cluster | |
1328 | Int_t count =0; | |
1329 | for (Int_t di=0;di<cnegative[ip];di++){ | |
1330 | Int_t jc = negativepair[ip*10+di]; | |
1331 | Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ(); | |
1332 | if (TMath::Abs(chargedif)<minchargediff+3.) count++; | |
1333 | } | |
1334 | if (count>1) continue; // more than one "proper" cluster for positive | |
1335 | // | |
1336 | count =0; | |
1337 | for (Int_t dj=0;dj<cpositive[j];dj++){ | |
1338 | Int_t ic = positivepair[j*10+dj]; | |
1339 | Float_t chargedif = pos[ic].GetQ()-neg[j].GetQ(); | |
1340 | if (TMath::Abs(chargedif)<minchargediff+3.) count++; | |
1341 | } | |
1342 | if (count>1) continue; // more than one "proper" cluster for negative | |
1343 | ||
1344 | Int_t jp = 0; | |
1345 | ||
1346 | count =0; | |
1347 | for (Int_t dj=0;dj<cnegative[jp];dj++){ | |
1348 | Int_t ic = positivepair[jp*10+dj]; | |
1349 | Float_t chargedif = pos[ic].GetQ()-neg[jp].GetQ(); | |
1350 | if (TMath::Abs(chargedif)<minchargediff+4.) count++; | |
1351 | } | |
1352 | if (count>1) continue; | |
1353 | if (pairs[ip][j]<100) continue; | |
1354 | // | |
1355 | //almost gold clusters | |
1356 | Float_t yp=pos[ip].GetY()*fYpitchSSD; | |
1357 | Float_t yn=neg[j].GetY()*fYpitchSSD; | |
1358 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1359 | Float_t yt=yn + tann*zt; | |
1360 | zt-=fHlSSD; yt-=fHwSSD; | |
1361 | ybest=yt; zbest=zt; | |
1362 | qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ()); | |
1363 | lp[0]=-(-ybest+fYshift[fI]); | |
1364 | lp[1]= -zbest+fZshift[fI]; | |
1365 | lp[2]=0.0025*0.0025; //SigmaY2 | |
1366 | lp[3]=0.110*0.110; //SigmaZ2 | |
1367 | lp[4]=qbest; //Q | |
1368 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; | |
1369 | for (Int_t ilab=0;ilab<3;ilab++){ | |
1370 | milab[ilab] = pos[ip].GetLabel(ilab); | |
1371 | milab[ilab+3] = neg[j].GetLabel(ilab); | |
1372 | } | |
1373 | // | |
1374 | CheckLabels2(milab); | |
1375 | ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ()); | |
1376 | milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det | |
1377 | Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fI]}; | |
1378 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); | |
1379 | ncl++; | |
1380 | cl2->SetChargeRatio(ratio); | |
1381 | cl2->SetType(10); | |
1382 | pairs[ip][j]=10; | |
1383 | if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster | |
1384 | cl2->SetType(11); | |
1385 | pairs[ip][j]=11; | |
1386 | } | |
1387 | cused1[ip]++; | |
1388 | cused2[j]++; | |
1389 | } | |
1390 | ||
1391 | } | |
1392 | ||
1393 | // | |
c391f9d9 | 1394 | for (Int_t i=0; i<np; i++) { |
c391f9d9 | 1395 | Float_t ybest=1000,zbest=1000,qbest=0; |
1396 | Float_t yp=pos[i].GetY()*fYpitchSSD; | |
e43c066c | 1397 | if (pos[i].GetQ()<3) continue; |
c391f9d9 | 1398 | for (Int_t j=0; j<nn; j++) { |
e43c066c | 1399 | // for (Int_t di = 0;di<cpositive[i];di++){ |
1400 | // Int_t j = negativepair[10*i+di]; | |
1401 | if (neg[j].GetQ()<3) continue; | |
1402 | if (cused2[j]||cused1[i]) continue; | |
1403 | if (pairs[i][j]>0 &&pairs[i][j]<100) continue; | |
1404 | ratio = (pos[i].GetQ()-neg[j].GetQ())/(pos[i].GetQ()+neg[j].GetQ()); | |
c391f9d9 | 1405 | Float_t yn=neg[j].GetY()*fYpitchSSD; |
1406 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); | |
1407 | Float_t yt=yn + tann*zt; | |
1408 | zt-=fHlSSD; yt-=fHwSSD; | |
1409 | if (TMath::Abs(yt)<fHwSSD+0.01) | |
e43c066c | 1410 | if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) { |
c391f9d9 | 1411 | ybest=yt; zbest=zt; |
1412 | qbest=0.5*(pos[i].GetQ()+neg[j].GetQ()); | |
f363d377 | 1413 | lp[0]=-(-ybest+fYshift[fI]); |
1414 | lp[1]= -zbest+fZshift[fI]; | |
e43c066c | 1415 | lp[2]=0.0025*0.0025; //SigmaY2 |
1416 | lp[3]=0.110*0.110; //SigmaZ2 | |
1417 | ||
c391f9d9 | 1418 | lp[4]=qbest; //Q |
babd135a | 1419 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
e43c066c | 1420 | for (Int_t ilab=0;ilab<3;ilab++){ |
1421 | milab[ilab] = pos[i].GetLabel(ilab); | |
1422 | milab[ilab+3] = neg[j].GetLabel(ilab); | |
1423 | } | |
babd135a | 1424 | // |
babd135a | 1425 | CheckLabels2(milab); |
1426 | milab[3]=(((i<<10) + j)<<10) + idet; // pos|neg|det | |
e43c066c | 1427 | Int_t info[3] = {pos[i].GetNd(),neg[j].GetNd(),fNlayer[fI]}; |
1428 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); | |
1429 | ncl++; | |
1430 | cl2->SetChargeRatio(ratio); | |
1431 | cl2->SetType(100+cpositive[j]+cnegative[i]); | |
1432 | //cl2->SetType(0); | |
1433 | /* | |
1434 | if (pairs[i][j]<100){ | |
1435 | printf("problem:- %d\n", pairs[i][j]); | |
1436 | } | |
1437 | if (cnegative[i]<2&&cpositive[j]<2){ | |
1438 | printf("problem:- %d\n", pairs[i][j]); | |
1439 | } | |
1440 | */ | |
c391f9d9 | 1441 | } |
1442 | } | |
c391f9d9 | 1443 | } |
a06cb96e | 1444 | |
0774985e | 1445 | // for (Int_t i=0; i<1000; i++) delete [] pairs[i]; |
1446 | // delete [] pairs; | |
a06cb96e | 1447 | |
c391f9d9 | 1448 | } |
1449 | ||
e43c066c | 1450 | |
7f4044f0 | 1451 | void AliITSclustererV2:: |
e43c066c | 1452 | FindClustersSSD(const TClonesArray *alldigits, TClonesArray *clusters) { |
7f4044f0 | 1453 | //------------------------------------------------------------ |
1454 | // Actual SSD cluster finder | |
1455 | //------------------------------------------------------------ | |
e43c066c | 1456 | Int_t smaxall=alldigits->GetEntriesFast(); |
1457 | if (smaxall==0) return; | |
1458 | TObjArray *digits = new TObjArray; | |
1459 | for (Int_t i=0;i<smaxall; i++){ | |
1460 | AliITSdigitSSD *d=(AliITSdigitSSD*)alldigits->UncheckedAt(i); | |
1461 | if (d->GetSignal()<3) continue; | |
1462 | digits->AddLast(d); | |
1463 | } | |
1464 | Int_t smax = digits->GetEntriesFast(); | |
7f4044f0 | 1465 | if (smax==0) return; |
e43c066c | 1466 | |
7f4044f0 | 1467 | const Int_t MAX=1000; |
1468 | Int_t np=0, nn=0; | |
1469 | Ali1Dcluster pos[MAX], neg[MAX]; | |
1470 | Float_t y=0., q=0., qmax=0.; | |
1471 | Int_t lab[4]={-2,-2,-2,-2}; | |
e43c066c | 1472 | |
7f4044f0 | 1473 | AliITSdigitSSD *d=(AliITSdigitSSD*)digits->UncheckedAt(0); |
1474 | q += d->GetSignal(); | |
1475 | y += d->GetCoord2()*d->GetSignal(); | |
1476 | qmax=d->GetSignal(); | |
1477 | lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2); | |
1478 | Int_t curr=d->GetCoord2(); | |
1479 | Int_t flag=d->GetCoord1(); | |
1480 | Int_t *n=&nn; | |
1481 | Ali1Dcluster *c=neg; | |
c391f9d9 | 1482 | Int_t nd=1; |
e43c066c | 1483 | Int_t milab[10]; |
1484 | for (Int_t ilab=0;ilab<10;ilab++){ | |
1485 | milab[ilab]=-2; | |
1486 | } | |
1487 | milab[0]=d->GetTrack(0); milab[1]=d->GetTrack(1); milab[2]=d->GetTrack(2); | |
1488 | ||
7f4044f0 | 1489 | for (Int_t s=1; s<smax; s++) { |
e43c066c | 1490 | d=(AliITSdigitSSD*)digits->UncheckedAt(s); |
7f4044f0 | 1491 | Int_t strip=d->GetCoord2(); |
1492 | if ((strip-curr) > 1 || flag!=d->GetCoord1()) { | |
1493 | c[*n].SetY(y/q); | |
1494 | c[*n].SetQ(q); | |
1495 | c[*n].SetNd(nd); | |
e43c066c | 1496 | CheckLabels2(milab); |
1497 | c[*n].SetLabels(milab); | |
7f4044f0 | 1498 | //Split suspiciously big cluster |
e43c066c | 1499 | /* |
1500 | if (nd>10&&nd<16){ | |
1501 | c[*n].SetY(y/q-0.3*nd); | |
1502 | c[*n].SetQ(0.5*q); | |
1503 | (*n)++; | |
1504 | if (*n==MAX) { | |
1505 | Error("FindClustersSSD","Too many 1D clusters !"); | |
7f4044f0 | 1506 | return; |
e43c066c | 1507 | } |
1508 | c[*n].SetY(y/q-0.0*nd); | |
1509 | c[*n].SetQ(0.5*q); | |
1510 | c[*n].SetNd(nd); | |
1511 | (*n)++; | |
1512 | if (*n==MAX) { | |
1513 | Error("FindClustersSSD","Too many 1D clusters !"); | |
1514 | return; | |
1515 | } | |
1516 | // | |
1517 | c[*n].SetY(y/q+0.3*nd); | |
1518 | c[*n].SetQ(0.5*q); | |
1519 | c[*n].SetNd(nd); | |
1520 | c[*n].SetLabels(milab); | |
1521 | } | |
1522 | else{ | |
1523 | */ | |
1524 | if (nd>4&&nd<25) { | |
1525 | c[*n].SetY(y/q-0.25*nd); | |
1526 | c[*n].SetQ(0.5*q); | |
1527 | (*n)++; | |
1528 | if (*n==MAX) { | |
1529 | Error("FindClustersSSD","Too many 1D clusters !"); | |
1530 | return; | |
1531 | } | |
1532 | c[*n].SetY(y/q+0.25*nd); | |
1533 | c[*n].SetQ(0.5*q); | |
1534 | c[*n].SetNd(nd); | |
1535 | c[*n].SetLabels(milab); | |
1536 | } | |
7f4044f0 | 1537 | (*n)++; |
1538 | if (*n==MAX) { | |
c630aafd | 1539 | Error("FindClustersSSD","Too many 1D clusters !"); |
7f4044f0 | 1540 | return; |
1541 | } | |
1542 | y=q=qmax=0.; | |
1543 | nd=0; | |
1544 | lab[0]=lab[1]=lab[2]=-2; | |
e43c066c | 1545 | // |
1546 | for (Int_t ilab=0;ilab<10;ilab++){ | |
1547 | milab[ilab]=-2; | |
1548 | } | |
1549 | // | |
7f4044f0 | 1550 | if (flag!=d->GetCoord1()) { n=&np; c=pos; } |
1551 | } | |
1552 | flag=d->GetCoord1(); | |
1553 | q += d->GetSignal(); | |
1554 | y += d->GetCoord2()*d->GetSignal(); | |
1555 | nd++; | |
1556 | if (d->GetSignal()>qmax) { | |
1557 | qmax=d->GetSignal(); | |
1558 | lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2); | |
1559 | } | |
e43c066c | 1560 | for (Int_t ilab=0;ilab<10;ilab++) { |
1561 | if (d->GetTrack(ilab)>=0) AddLabel(milab, (d->GetTrack(ilab))); | |
1562 | } | |
7f4044f0 | 1563 | curr=strip; |
1564 | } | |
1565 | c[*n].SetY(y/q); | |
1566 | c[*n].SetQ(q); | |
1567 | c[*n].SetNd(nd); | |
1568 | c[*n].SetLabels(lab); | |
1569 | //Split suspiciously big cluster | |
0e986ef9 | 1570 | if (nd>4 && nd<25) { |
1571 | c[*n].SetY(y/q-0.25*nd); | |
7f4044f0 | 1572 | c[*n].SetQ(0.5*q); |
1573 | (*n)++; | |
1574 | if (*n==MAX) { | |
c630aafd | 1575 | Error("FindClustersSSD","Too many 1D clusters !"); |
7f4044f0 | 1576 | return; |
1577 | } | |
0e986ef9 | 1578 | c[*n].SetY(y/q+0.25*nd); |
7f4044f0 | 1579 | c[*n].SetQ(0.5*q); |
1580 | c[*n].SetNd(nd); | |
1581 | c[*n].SetLabels(lab); | |
1582 | } | |
1583 | (*n)++; | |
1584 | if (*n==MAX) { | |
c630aafd | 1585 | Error("FindClustersSSD","Too many 1D clusters !"); |
7f4044f0 | 1586 | return; |
1587 | } | |
1588 | ||
c391f9d9 | 1589 | FindClustersSSD(neg, nn, pos, np, clusters); |
1590 | } | |
7f4044f0 | 1591 | |
c391f9d9 | 1592 | void AliITSclustererV2::FindClustersSSD(AliITSRawStream* input, |
1593 | TClonesArray** clusters) | |
1594 | { | |
1595 | //------------------------------------------------------------ | |
1596 | // Actual SSD cluster finder for raw data | |
1597 | //------------------------------------------------------------ | |
1598 | Int_t nClustersSSD = 0; | |
1599 | const Int_t MAX = 1000; | |
1600 | Ali1Dcluster clusters1D[2][MAX]; | |
1601 | Int_t nClusters[2] = {0, 0}; | |
0e986ef9 | 1602 | Int_t lab[3]={-2,-2,-2}; |
c391f9d9 | 1603 | Float_t q = 0.; |
1604 | Float_t y = 0.; | |
1605 | Int_t nDigits = 0; | |
1606 | Int_t prevStrip = -1; | |
1607 | Int_t prevFlag = -1; | |
0e986ef9 | 1608 | Int_t prevModule = -1; |
c391f9d9 | 1609 | |
1610 | // read raw data input stream | |
1611 | while (kTRUE) { | |
1612 | Bool_t next = input->Next(); | |
1613 | ||
0e986ef9 | 1614 | if(input->GetSignal()<3 && next) continue; |
c391f9d9 | 1615 | // check if a new cluster starts |
1616 | Int_t strip = input->GetCoord2(); | |
1617 | Int_t flag = input->GetCoord1(); | |
0e986ef9 | 1618 | if ((!next || (input->GetModuleID() != prevModule)|| |
c391f9d9 | 1619 | (strip-prevStrip > 1) || (flag != prevFlag)) && |
1620 | (nDigits > 0)) { | |
1621 | if (nClusters[prevFlag] == MAX) { | |
1622 | Error("FindClustersSSD", "Too many 1D clusters !"); | |
1623 | return; | |
1624 | } | |
1625 | Ali1Dcluster& cluster = clusters1D[prevFlag][nClusters[prevFlag]++]; | |
1626 | cluster.SetY(y/q); | |
1627 | cluster.SetQ(q); | |
1628 | cluster.SetNd(nDigits); | |
0e986ef9 | 1629 | cluster.SetLabels(lab); |
c391f9d9 | 1630 | |
1631 | //Split suspiciously big cluster | |
0e986ef9 | 1632 | if (nDigits > 4&&nDigits < 25) { |
1633 | cluster.SetY(y/q - 0.25*nDigits); | |
c391f9d9 | 1634 | cluster.SetQ(0.5*q); |
1635 | if (nClusters[prevFlag] == MAX) { | |
1636 | Error("FindClustersSSD", "Too many 1D clusters !"); | |
1637 | return; | |
1638 | } | |
1639 | Ali1Dcluster& cluster2 = clusters1D[prevFlag][nClusters[prevFlag]++]; | |
0e986ef9 | 1640 | cluster2.SetY(y/q + 0.25*nDigits); |
c391f9d9 | 1641 | cluster2.SetQ(0.5*q); |
1642 | cluster2.SetNd(nDigits); | |
0e986ef9 | 1643 | cluster2.SetLabels(lab); |
7f4044f0 | 1644 | } |
c391f9d9 | 1645 | y = q = 0.; |
1646 | nDigits = 0; | |
7f4044f0 | 1647 | } |
c391f9d9 | 1648 | |
0e986ef9 | 1649 | if (!next || (input->GetModuleID() != prevModule)) { |
1650 | Int_t iModule = prevModule; | |
c391f9d9 | 1651 | |
1652 | // when all data from a module was read, search for clusters | |
1653 | if (prevFlag >= 0) { | |
1654 | clusters[iModule] = new TClonesArray("AliITSclusterV2"); | |
1655 | fI = iModule; | |
1656 | FindClustersSSD(&clusters1D[0][0], nClusters[0], | |
1657 | &clusters1D[1][0], nClusters[1], clusters[iModule]); | |
1658 | Int_t nClusters = clusters[iModule]->GetEntriesFast(); | |
1659 | nClustersSSD += nClusters; | |
1660 | } | |
1661 | ||
1662 | if (!next) break; | |
1663 | nClusters[0] = nClusters[1] = 0; | |
1664 | y = q = 0.; | |
1665 | nDigits = 0; | |
7f4044f0 | 1666 | } |
c391f9d9 | 1667 | |
1668 | // add digit to current cluster | |
1669 | q += input->GetSignal(); | |
1670 | y += strip * input->GetSignal(); | |
1671 | nDigits++; | |
1672 | prevStrip = strip; | |
1673 | prevFlag = flag; | |
0e986ef9 | 1674 | prevModule = input->GetModuleID(); |
1675 | ||
7f4044f0 | 1676 | } |
c391f9d9 | 1677 | |
1678 | Info("FindClustersSSD", "found clusters in ITS SSD: %d", nClustersSSD); | |
7f4044f0 | 1679 | } |
1680 | ||
1681 | #else //V1 | |
1682 | ||
1683 | #include "AliITSDetType.h" | |
7d62fb64 | 1684 | #include "AliITS.h" |
7f4044f0 | 1685 | #include "AliITSsegmentationSPD.h" |
1686 | #include "AliITSClusterFinderSPD.h" | |
1687 | ||
1688 | #include "AliITSresponseSDD.h" | |
1689 | #include "AliITSsegmentationSDD.h" | |
1690 | #include "AliITSClusterFinderSDD.h" | |
1691 | ||
1692 | #include "AliITSsegmentationSSD.h" | |
1693 | #include "AliITSClusterFinderSSD.h" | |
1694 | ||
1695 | ||
1696 | void AliITSclustererV2:: | |
1697 | FindClustersSPD(const TClonesArray *digits, TClonesArray *clusters) { | |
1698 | //------------------------------------------------------------ | |
1699 | // Actual SPD cluster finding based on AliITSClusterFinderSPD | |
1700 | //------------------------------------------------------------ | |
1701 | static AliITS *its=(AliITS*)gAlice->GetModule("ITS"); | |
1702 | static TClonesArray *points=its->RecPoints(); | |
1703 | static AliITSsegmentationSPD *seg= | |
1704 | (AliITSsegmentationSPD *)its->DetType(0)->GetSegmentationModel(); | |
1705 | static AliITSClusterFinderSPD cf(seg, (TClonesArray*)digits, points); | |
1706 | ||
1707 | cf.FindRawClusters(fI); | |
1cca57bf | 1708 | RecPoints2Clusters(points, fI, clusters); |
7f4044f0 | 1709 | its->ResetRecPoints(); |
1710 | ||
1711 | } | |
1712 | ||
1713 | void AliITSclustererV2:: | |
1714 | FindClustersSDD(const TClonesArray *digits, TClonesArray *clusters) { | |
1715 | //------------------------------------------------------------ | |
1716 | // Actual SDD cluster finding based on AliITSClusterFinderSDD | |
1717 | //------------------------------------------------------------ | |
1718 | static AliITS *its=(AliITS*)gAlice->GetModule("ITS"); | |
1719 | static TClonesArray *points=its->RecPoints(); | |
1720 | static AliITSresponseSDD *resp= | |
1721 | (AliITSresponseSDD *)its->DetType(1)->GetResponseModel(); | |
1722 | static AliITSsegmentationSDD *seg= | |
1723 | (AliITSsegmentationSDD *)its->DetType(1)->GetSegmentationModel(); | |
1724 | static AliITSClusterFinderSDD | |
1725 | cf(seg,resp,(TClonesArray*)digits,its->ClustersAddress(1)); | |
1726 | ||
1727 | cf.FindRawClusters(fI); | |
1cca57bf | 1728 | Int_t nc=points->GetEntriesFast(); |
1729 | while (nc--) { //To be consistent with the SSD cluster charges | |
1730 | AliITSRecPoint *p=(AliITSRecPoint*)points->UncheckedAt(nc); | |
e3d91d99 | 1731 | p->SetQ(p->GetQ()/12.); |
1cca57bf | 1732 | } |
1733 | RecPoints2Clusters(points, fI, clusters); | |
7f4044f0 | 1734 | its->ResetClusters(1); |
1735 | its->ResetRecPoints(); | |
1736 | ||
1737 | } | |
1738 | ||
1739 | void AliITSclustererV2:: | |
1740 | FindClustersSSD(const TClonesArray *digits, TClonesArray *clusters) { | |
1741 | //------------------------------------------------------------ | |
1742 | // Actual SSD cluster finding based on AliITSClusterFinderSSD | |
1743 | //------------------------------------------------------------ | |
1744 | static AliITS *its=(AliITS*)gAlice->GetModule("ITS"); | |
1745 | static TClonesArray *points=its->RecPoints(); | |
1746 | static AliITSsegmentationSSD *seg= | |
1747 | (AliITSsegmentationSSD *)its->DetType(2)->GetSegmentationModel(); | |
1748 | static AliITSClusterFinderSSD cf(seg,(TClonesArray*)digits); | |
1749 | ||
1750 | cf.FindRawClusters(fI); | |
1cca57bf | 1751 | RecPoints2Clusters(points, fI, clusters); |
7f4044f0 | 1752 | its->ResetRecPoints(); |
1753 | ||
1754 | } | |
1755 | ||
1756 | #endif |