| 7f4044f0 |
1 | //------------------------------------------------------------------------- |
| 2 | // Implementation of the ITS clusterer V2 class |
| 3 | // |
| 4 | // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch |
| 5 | //------------------------------------------------------------------------- |
| 60b9526b |
6 | |
| 7f4044f0 |
7 | |
| 8 | #include "AliRun.h" |
| 9 | |
| 10 | #include "AliITSclustererV2.h" |
| 11 | #include "AliITSclusterV2.h" |
| 7d62fb64 |
12 | #include "AliITSDetTypeRec.h" |
| 7941072e |
13 | #include "AliRawReader.h" |
| c391f9d9 |
14 | #include "AliITSRawStreamSPD.h" |
| 15 | #include "AliITSRawStreamSDD.h" |
| 16 | #include "AliITSRawStreamSSD.h" |
| 7f4044f0 |
17 | |
| 7f4044f0 |
18 | #include <TFile.h> |
| 19 | #include <TTree.h> |
| 20 | #include <TClonesArray.h> |
| 79c75366 |
21 | #include "AliITSgeomTGeo.h" |
| e869281d |
22 | #include "AliITSdigitSPD.h" |
| 23 | #include "AliITSdigitSDD.h" |
| 24 | #include "AliITSdigitSSD.h" |
| 5d12ce38 |
25 | #include "AliMC.h" |
| 7f4044f0 |
26 | |
| 27 | ClassImp(AliITSclustererV2) |
| 28 | |
| 29 | extern AliRun *gAlice; |
| 30 | |
| e56160b8 |
31 | AliITSclustererV2::AliITSclustererV2(): |
| 32 | fNModules(0), |
| 33 | fEvent(0), |
| 34 | fI(0), |
| 35 | fLastSPD1(0), |
| 36 | fNySPD(0), |
| 37 | fNzSPD(0), |
| 38 | fYpitchSPD(0), |
| 39 | fZ1pitchSPD(0), |
| 40 | fZ2pitchSPD(0), |
| 41 | fHwSPD(0), |
| 42 | fHlSPD(0), |
| 43 | fNySDD(0), |
| 44 | fNzSDD(0), |
| 45 | fYpitchSDD(0), |
| 46 | fZpitchSDD(0), |
| 47 | fHwSDD(0), |
| 48 | fHlSDD(0), |
| 49 | fYoffSDD(0), |
| 50 | fLastSSD1(0), |
| 51 | fYpitchSSD(0), |
| 52 | fHwSSD(0), |
| 53 | fHlSSD(0), |
| 54 | fTanP(0), |
| 55 | fTanN(0){ |
| 56 | //default constructor |
| 57 | } |
| 79c75366 |
58 | AliITSclustererV2::AliITSclustererV2(const Char_t *geom): |
| 59 | fNModules(AliITSgeomTGeo::GetNModules()), |
| e56160b8 |
60 | fEvent(0), |
| 61 | fI(0), |
| 79c75366 |
62 | fLastSPD1(AliITSgeomTGeo::GetModuleIndex(2,1,1)-1), |
| e56160b8 |
63 | fNySPD(256), |
| 64 | fNzSPD(160), |
| 65 | fYpitchSPD(0.0050), |
| 66 | fZ1pitchSPD(0.0425), |
| 67 | fZ2pitchSPD(0.0625), |
| 68 | fHwSPD(0.64), |
| 69 | fHlSPD(3.48), |
| 70 | fNySDD(256), |
| 71 | fNzSDD(256), |
| 72 | fYpitchSDD(0.01825), |
| 73 | fZpitchSDD(0.02940), |
| 74 | fHwSDD(3.5085), |
| 75 | fHlSDD(3.7632), |
| 76 | fYoffSDD(0.0425), |
| 79c75366 |
77 | fLastSSD1(AliITSgeomTGeo::GetModuleIndex(6,1,1)-1), |
| e56160b8 |
78 | fYpitchSSD(0.0095), |
| 79 | fHwSSD(3.65), |
| 80 | fHlSSD(2.00), |
| 81 | fTanP(0.0275), |
| 82 | fTanN(0.0075) { |
| 7f4044f0 |
83 | //------------------------------------------------------------ |
| 84 | // Standard constructor |
| 85 | //------------------------------------------------------------ |
| 79c75366 |
86 | if (geom) { |
| 87 | AliWarning("\"geom\" is actually a dummy argument !"); |
| c630aafd |
88 | } |
| 7f4044f0 |
89 | Int_t m; |
| 79c75366 |
90 | for (m=0; m<fNModules; m++) { |
| 91 | Int_t lay,lad,det; AliITSgeomTGeo::GetModuleId(m,lay,lad,det); |
| 92 | const TGeoHMatrix *tm=AliITSgeomTGeo::GetTracking2LocalMatrix(m); |
| 93 | fYshift[m] = (tm->Inverse()).GetTranslation()[1]; |
| 94 | fZshift[m] = (tm->Inverse()).GetTranslation()[2]; |
| 95 | fNdet[m] = (lad-1)*AliITSgeomTGeo::GetNDetectors(lay) + (det-1); |
| e43c066c |
96 | fNlayer[m] = lay-1; |
| 7f4044f0 |
97 | } |
| 98 | |
| 99 | //SPD geometry |
| 7f4044f0 |
100 | fYSPD[0]=0.5*fYpitchSPD; |
| 101 | for (m=1; m<fNySPD; m++) fYSPD[m]=fYSPD[m-1]+fYpitchSPD; |
| 102 | fZSPD[0]=fZ1pitchSPD; |
| 103 | for (m=1; m<fNzSPD; m++) { |
| 104 | Double_t dz=fZ1pitchSPD; |
| 105 | if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 || |
| 106 | m==127 || m==128) dz=fZ2pitchSPD; |
| 107 | fZSPD[m]=fZSPD[m-1]+dz; |
| 108 | } |
| 109 | for (m=0; m<fNzSPD; m++) { |
| 110 | Double_t dz=0.5*fZ1pitchSPD; |
| 111 | if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 || |
| 112 | m==127 || m==128) dz=0.5*fZ2pitchSPD; |
| 113 | fZSPD[m]-=dz; |
| 114 | } |
| 115 | |
| 7f4044f0 |
116 | } |
| 117 | |
| e3d91d99 |
118 | |
| c630aafd |
119 | Int_t AliITSclustererV2::Digits2Clusters(TTree *dTree, TTree *cTree) { |
| 7f4044f0 |
120 | //------------------------------------------------------------ |
| 121 | // This function creates ITS clusters |
| 122 | //------------------------------------------------------------ |
| 123 | Int_t ncl=0; |
| 7f4044f0 |
124 | |
| 7f4044f0 |
125 | if (!dTree) { |
| c630aafd |
126 | Error("Digits2Clusters","Can't get the tree with digits !"); |
| 127 | return 1; |
| 7f4044f0 |
128 | } |
| 129 | |
| 130 | TClonesArray *digitsSPD=new TClonesArray("AliITSdigitSPD",3000); |
| 131 | dTree->SetBranchAddress("ITSDigitsSPD",&digitsSPD); |
| 132 | TClonesArray *digitsSDD=new TClonesArray("AliITSdigitSDD",3000); |
| 133 | dTree->SetBranchAddress("ITSDigitsSDD",&digitsSDD); |
| 134 | TClonesArray *digitsSSD=new TClonesArray("AliITSdigitSSD",3000); |
| 135 | dTree->SetBranchAddress("ITSDigitsSSD",&digitsSSD); |
| 136 | |
| 7f4044f0 |
137 | TClonesArray *clusters=new TClonesArray("AliITSclusterV2",1000); |
| c630aafd |
138 | TBranch *branch=cTree->GetBranch("Clusters"); |
| 139 | if (!branch) cTree->Branch("Clusters",&clusters); |
| 140 | else branch->SetAddress(&clusters); |
| 141 | |
| 142 | Int_t mmax=(Int_t)dTree->GetEntries(); |
| cbca22ab |
143 | if (mmax!=fNModules) { |
| 144 | Error("Digits2Clusters","Number of entries != number of modules !"); |
| 145 | return 1; |
| 146 | } |
| 7f4044f0 |
147 | |
| 148 | for (fI=0; fI<mmax; fI++) { |
| 149 | dTree->GetEvent(fI); |
| 150 | |
| 151 | if (digitsSPD->GetEntriesFast()!=0) |
| babd135a |
152 | FindClustersSPD(digitsSPD,clusters); |
| 153 | else |
| 154 | if(digitsSDD->GetEntriesFast()!=0) |
| 155 | FindClustersSDD(digitsSDD,clusters); |
| 156 | else if(digitsSSD->GetEntriesFast()!=0) |
| 157 | FindClustersSSD(digitsSSD,clusters); |
| 158 | |
| 7f4044f0 |
159 | ncl+=clusters->GetEntriesFast(); |
| 160 | |
| c630aafd |
161 | cTree->Fill(); |
| 7f4044f0 |
162 | |
| 163 | digitsSPD->Clear(); |
| 164 | digitsSDD->Clear(); |
| 165 | digitsSSD->Clear(); |
| 166 | clusters->Clear(); |
| 167 | } |
| c630aafd |
168 | |
| 169 | //cTree->Write(); |
| 7f4044f0 |
170 | |
| 171 | delete clusters; |
| 172 | |
| 173 | delete digitsSPD; |
| 174 | delete digitsSDD; |
| 175 | delete digitsSSD; |
| 176 | |
| 7941072e |
177 | //delete dTree; |
| 178 | |
| c630aafd |
179 | Info("Digits2Clusters","Number of found clusters : %d",ncl); |
| 7f4044f0 |
180 | |
| c630aafd |
181 | return 0; |
| 7f4044f0 |
182 | } |
| 183 | |
| 7941072e |
184 | void AliITSclustererV2::Digits2Clusters(AliRawReader* rawReader) { |
| c391f9d9 |
185 | //------------------------------------------------------------ |
| 186 | // This function creates ITS clusters from raw data |
| 187 | //------------------------------------------------------------ |
| 7941072e |
188 | AliRunLoader* runLoader = AliRunLoader::GetRunLoader(); |
| 189 | if (!runLoader) { |
| 190 | Error("Digits2Clusters", "no run loader found"); |
| 191 | return; |
| 192 | } |
| babd135a |
193 | runLoader->LoadKinematics(); |
| 7941072e |
194 | AliLoader* itsLoader = runLoader->GetLoader("ITSLoader"); |
| 195 | if (!itsLoader) { |
| 196 | Error("Digits2Clusters", "no loader for ITS found"); |
| c391f9d9 |
197 | return; |
| 198 | } |
| 7941072e |
199 | if (!itsLoader->TreeR()) itsLoader->MakeTree("R"); |
| 200 | TTree* cTree = itsLoader->TreeR(); |
| c391f9d9 |
201 | |
| c391f9d9 |
202 | TClonesArray *array=new TClonesArray("AliITSclusterV2",1000); |
| 7941072e |
203 | cTree->Branch("Clusters",&array); |
| c391f9d9 |
204 | delete array; |
| 205 | |
| f1e0c1c5 |
206 | TClonesArray** clusters = new TClonesArray*[fNModules]; |
| 04fa961a |
207 | for (Int_t iModule = 0; iModule < fNModules; iModule++) { |
| 208 | clusters[iModule] = NULL; |
| 209 | } |
| c391f9d9 |
210 | // one TClonesArray per module |
| 211 | |
| 7941072e |
212 | rawReader->Reset(); |
| 213 | AliITSRawStreamSPD inputSPD(rawReader); |
| c391f9d9 |
214 | FindClustersSPD(&inputSPD, clusters); |
| 7941072e |
215 | |
| 216 | rawReader->Reset(); |
| 217 | AliITSRawStreamSDD inputSDD(rawReader); |
| c391f9d9 |
218 | FindClustersSDD(&inputSDD, clusters); |
| 7941072e |
219 | |
| 220 | rawReader->Reset(); |
| 221 | AliITSRawStreamSSD inputSSD(rawReader); |
| c391f9d9 |
222 | FindClustersSSD(&inputSSD, clusters); |
| 223 | |
| 224 | // write all clusters to the tree |
| 225 | Int_t nClusters = 0; |
| 226 | for (Int_t iModule = 0; iModule < fNModules; iModule++) { |
| 04fa961a |
227 | array = clusters[iModule]; |
| c391f9d9 |
228 | if (!array) { |
| 229 | Error("Digits2Clusters", "data for module %d missing!", iModule); |
| 230 | array = new TClonesArray("AliITSclusterV2"); |
| 231 | } |
| 7941072e |
232 | cTree->SetBranchAddress("Clusters", &array); |
| 233 | cTree->Fill(); |
| c391f9d9 |
234 | nClusters += array->GetEntriesFast(); |
| 235 | delete array; |
| 236 | } |
| 7941072e |
237 | itsLoader->WriteRecPoints("OVERWRITE"); |
| c391f9d9 |
238 | |
| 04fa961a |
239 | delete[] clusters; |
| 240 | |
| c391f9d9 |
241 | Info("Digits2Clusters", "total number of found clusters in ITS: %d\n", |
| 242 | nClusters); |
| 243 | } |
| 244 | |
| 7f4044f0 |
245 | //**** Fast clusters ******************************* |
| 246 | #include "TParticle.h" |
| 247 | |
| 7d62fb64 |
248 | //#include "AliITS.h" |
| 7f4044f0 |
249 | #include "AliITSmodule.h" |
| 250 | #include "AliITSRecPoint.h" |
| 251 | #include "AliITSsimulationFastPoints.h" |
| 252 | #include "AliITSRecPoint.h" |
| 253 | |
| 7d62fb64 |
254 | |
| 7f4044f0 |
255 | static void CheckLabels(Int_t lab[3]) { |
| 256 | //------------------------------------------------------------ |
| 257 | // Tries to find mother's labels |
| 258 | //------------------------------------------------------------ |
| 60b9526b |
259 | AliRunLoader *rl = AliRunLoader::GetRunLoader(); |
| 260 | TTree *trK=(TTree*)rl->TreeK(); |
| 261 | |
| 262 | if(trK){ |
| 7f4044f0 |
263 | Int_t label=lab[0]; |
| 264 | if (label>=0) { |
| 60b9526b |
265 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); |
| 266 | label=-3; |
| 267 | while (part->P() < 0.005) { |
| 268 | Int_t m=part->GetFirstMother(); |
| 269 | if (m<0) { |
| 270 | Info("CheckLabels","Primary momentum: %f",part->P()); |
| 271 | break; |
| 272 | } |
| 273 | if (part->GetStatusCode()>0) { |
| 274 | Info("CheckLabels","Primary momentum: %f",part->P()); |
| 275 | break; |
| 276 | } |
| 277 | label=m; |
| 278 | part=(TParticle*)gAlice->GetMCApp()->Particle(label); |
| 279 | } |
| 280 | if (lab[1]<0) lab[1]=label; |
| 281 | else if (lab[2]<0) lab[2]=label; |
| 282 | else ;//cerr<<"CheckLabels : No empty labels !\n"; |
| 7f4044f0 |
283 | } |
| 60b9526b |
284 | } |
| 7f4044f0 |
285 | } |
| 7d62fb64 |
286 | |
| 287 | /* |
| babd135a |
288 | static void CheckLabels(Int_t lab[3]) { |
| 289 | //------------------------------------------------------------ |
| 290 | // Tries to find mother's labels |
| 291 | //------------------------------------------------------------ |
| 292 | |
| 0e986ef9 |
293 | if(lab[0]<0 && lab[1]<0 && lab[2]<0) return; // In case of no labels just exit |
| 294 | |
| babd135a |
295 | Int_t ntracks = gAlice->GetMCApp()->GetNtrack(); |
| 296 | for (Int_t i=0;i<3;i++){ |
| 297 | Int_t label = lab[i]; |
| 298 | if (label>=0 && label<ntracks) { |
| 299 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); |
| 300 | if (part->P() < 0.005) { |
| 301 | Int_t m=part->GetFirstMother(); |
| 302 | if (m<0) { |
| 303 | continue; |
| 304 | } |
| 305 | if (part->GetStatusCode()>0) { |
| 306 | continue; |
| 307 | } |
| 308 | lab[i]=m; |
| 309 | } |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | } |
| 7d62fb64 |
314 | */ |
| babd135a |
315 | static void CheckLabels2(Int_t lab[10]) { |
| 316 | //------------------------------------------------------------ |
| 317 | // Tries to find mother's labels |
| 318 | //------------------------------------------------------------ |
| 60b9526b |
319 | AliRunLoader *rl = AliRunLoader::GetRunLoader(); |
| 320 | TTree *trK=(TTree*)rl->TreeK(); |
| 0e986ef9 |
321 | |
| 60b9526b |
322 | if(trK){ |
| 323 | Int_t nlabels =0; |
| 324 | for (Int_t i=0;i<10;i++) if (lab[i]>=0) nlabels++; |
| 325 | if(nlabels == 0) return; // In case of no labels just exit |
| e43c066c |
326 | |
| 60b9526b |
327 | Int_t ntracks = gAlice->GetMCApp()->GetNtrack(); |
| 328 | |
| 329 | for (Int_t i=0;i<10;i++){ |
| 330 | Int_t label = lab[i]; |
| 331 | if (label>=0 && label<ntracks) { |
| 332 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); |
| 333 | if (part->P() < 0.02) { |
| e43c066c |
334 | Int_t m=part->GetFirstMother(); |
| 335 | if (m<0) { |
| 336 | continue; |
| 337 | } |
| 338 | if (part->GetStatusCode()>0) { |
| 339 | continue; |
| 340 | } |
| 341 | lab[i]=m; |
| 60b9526b |
342 | } |
| 343 | else |
| 344 | if (part->P() < 0.12 && nlabels>3) { |
| 345 | lab[i]=-2; |
| 346 | nlabels--; |
| 347 | } |
| e43c066c |
348 | } |
| 60b9526b |
349 | else{ |
| 350 | if ( (label>ntracks||label <0) && nlabels>3) { |
| e43c066c |
351 | lab[i]=-2; |
| 352 | nlabels--; |
| 353 | } |
| 60b9526b |
354 | } |
| 355 | } |
| 356 | if (nlabels>3){ |
| 357 | for (Int_t i=0;i<10;i++){ |
| 358 | if (nlabels>3){ |
| 359 | Int_t label = lab[i]; |
| 360 | if (label>=0 && label<ntracks) { |
| 361 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); |
| 362 | if (part->P() < 0.1) { |
| 363 | lab[i]=-2; |
| 364 | nlabels--; |
| 365 | } |
| e43c066c |
366 | } |
| babd135a |
367 | } |
| babd135a |
368 | } |
| e43c066c |
369 | } |
| e43c066c |
370 | |
| 60b9526b |
371 | //compress labels -- if multi-times the same |
| 372 | Int_t lab2[10]; |
| 373 | for (Int_t i=0;i<10;i++) lab2[i]=-2; |
| 374 | for (Int_t i=0;i<10 ;i++){ |
| 375 | if (lab[i]<0) continue; |
| 376 | for (Int_t j=0;j<10 &&lab2[j]!=lab[i];j++){ |
| 377 | if (lab2[j]<0) { |
| 378 | lab2[j]= lab[i]; |
| 379 | break; |
| 380 | } |
| babd135a |
381 | } |
| 382 | } |
| 60b9526b |
383 | for (Int_t j=0;j<10;j++) lab[j]=lab2[j]; |
| babd135a |
384 | } |
| babd135a |
385 | } |
| 386 | |
| 387 | static void AddLabel(Int_t lab[10], Int_t label) { |
| 60b9526b |
388 | // add label of the particle in the kine tree which originates this cluster |
| 389 | // (used for reconstruction of MC data only, for comparison purposes) |
| 390 | AliRunLoader *rl = AliRunLoader::GetRunLoader(); |
| 391 | TTree *trK=(TTree*)rl->TreeK(); |
| 0e986ef9 |
392 | |
| 60b9526b |
393 | if(trK){ |
| 394 | if(label<0) return; // In case of no label just exit |
| 0e986ef9 |
395 | |
| 60b9526b |
396 | Int_t ntracks = gAlice->GetMCApp()->GetNtrack(); |
| 397 | if (label>ntracks) return; |
| 398 | for (Int_t i=0;i<10;i++){ |
| 399 | // if (label<0) break; |
| 400 | if (lab[i]==label) break; |
| 401 | if (lab[i]<0) { |
| 402 | lab[i]= label; |
| 403 | break; |
| 404 | } |
| babd135a |
405 | } |
| 406 | } |
| 407 | } |
| 7f4044f0 |
408 | |
| 1cca57bf |
409 | void AliITSclustererV2::RecPoints2Clusters |
| 410 | (const TClonesArray *points, Int_t idx, TClonesArray *clusters) { |
| 7f4044f0 |
411 | //------------------------------------------------------------ |
| 1cca57bf |
412 | // Conversion AliITSRecPoint -> AliITSclusterV2 for the ITS |
| 413 | // subdetector indexed by idx |
| 7f4044f0 |
414 | //------------------------------------------------------------ |
| 415 | TClonesArray &cl=*clusters; |
| 416 | Int_t ncl=points->GetEntriesFast(); |
| 417 | for (Int_t i=0; i<ncl; i++) { |
| 418 | AliITSRecPoint *p = (AliITSRecPoint *)points->UncheckedAt(i); |
| 419 | Float_t lp[5]; |
| 00a7cc50 |
420 | lp[0]=-(-p->GetDetLocalX()+fYshift[idx]); if (idx<=fLastSPD1) lp[0]*=-1; //SPD1 |
| f363d377 |
421 | lp[1]= -p->GetZ()+fZshift[idx]; |
| 00a7cc50 |
422 | lp[2]=p->GetSigmaDetLocX2(); |
| 1cca57bf |
423 | lp[3]=p->GetSigmaZ2(); |
| b6087704 |
424 | lp[4]=p->GetQ()*36./23333.; //electrons -> ADC |
| 7f4044f0 |
425 | Int_t lab[4]; |
| 426 | lab[0]=p->GetLabel(0); lab[1]=p->GetLabel(1); lab[2]=p->GetLabel(2); |
| 1cca57bf |
427 | lab[3]=fNdet[idx]; |
| 7f4044f0 |
428 | CheckLabels(lab); |
| babd135a |
429 | Int_t dummy[3]={0,0,0}; |
| 430 | new (cl[i]) AliITSclusterV2(lab,lp, dummy); |
| 7f4044f0 |
431 | } |
| 432 | } |
| 433 | |
| 7f4044f0 |
434 | //*********************************** |
| 435 | |
| 7f4044f0 |
436 | |
| 437 | void AliITSclustererV2:: |
| 438 | FindCluster(Int_t k,Int_t maxz,AliBin *bins,Int_t &n,Int_t *idx) { |
| 439 | //------------------------------------------------------------ |
| 440 | // returns an array of indices of digits belonging to the cluster |
| 441 | // (needed when the segmentation is not regular) |
| 442 | //------------------------------------------------------------ |
| 443 | if (n<200) idx[n++]=bins[k].GetIndex(); |
| 444 | bins[k].Use(); |
| 445 | |
| 446 | if (bins[k-maxz].IsNotUsed()) FindCluster(k-maxz,maxz,bins,n,idx); |
| 447 | if (bins[k-1 ].IsNotUsed()) FindCluster(k-1 ,maxz,bins,n,idx); |
| 448 | if (bins[k+maxz].IsNotUsed()) FindCluster(k+maxz,maxz,bins,n,idx); |
| 449 | if (bins[k+1 ].IsNotUsed()) FindCluster(k+1 ,maxz,bins,n,idx); |
| 450 | /* |
| 451 | if (bins[k-maxz-1].IsNotUsed()) FindCluster(k-maxz-1,maxz,bins,n,idx); |
| 452 | if (bins[k-maxz+1].IsNotUsed()) FindCluster(k-maxz+1,maxz,bins,n,idx); |
| 453 | if (bins[k+maxz-1].IsNotUsed()) FindCluster(k+maxz-1,maxz,bins,n,idx); |
| 454 | if (bins[k+maxz+1].IsNotUsed()) FindCluster(k+maxz+1,maxz,bins,n,idx); |
| 455 | */ |
| 456 | } |
| 457 | |
| 458 | void AliITSclustererV2:: |
| 459 | FindClustersSPD(const TClonesArray *digits, TClonesArray *clusters) { |
| 460 | //------------------------------------------------------------ |
| 461 | // Actual SPD cluster finder |
| 462 | //------------------------------------------------------------ |
| c391f9d9 |
463 | Int_t kNzBins = fNzSPD + 2; |
| 464 | const Int_t kMAXBIN=kNzBins*(fNySPD+2); |
| 7f4044f0 |
465 | |
| 466 | Int_t ndigits=digits->GetEntriesFast(); |
| 467 | AliBin *bins=new AliBin[kMAXBIN]; |
| 468 | |
| 469 | Int_t k; |
| 470 | AliITSdigitSPD *d=0; |
| 471 | for (k=0; k<ndigits; k++) { |
| 472 | d=(AliITSdigitSPD*)digits->UncheckedAt(k); |
| 473 | Int_t i=d->GetCoord2()+1; //y |
| 474 | Int_t j=d->GetCoord1()+1; |
| c391f9d9 |
475 | bins[i*kNzBins+j].SetIndex(k); |
| 476 | bins[i*kNzBins+j].SetMask(1); |
| 7f4044f0 |
477 | } |
| 478 | |
| 479 | Int_t n=0; TClonesArray &cl=*clusters; |
| 480 | for (k=0; k<kMAXBIN; k++) { |
| 481 | if (!bins[k].IsNotUsed()) continue; |
| 482 | Int_t ni=0, idx[200]; |
| c391f9d9 |
483 | FindCluster(k,kNzBins,bins,ni,idx); |
| c630aafd |
484 | if (ni==200) { |
| 485 | Info("FindClustersSPD","Too big cluster !"); |
| 486 | continue; |
| 487 | } |
| babd135a |
488 | Int_t milab[10]; |
| 489 | for (Int_t ilab=0;ilab<10;ilab++){ |
| 490 | milab[ilab]=-2; |
| 491 | } |
| 492 | |
| 7f4044f0 |
493 | d=(AliITSdigitSPD*)digits->UncheckedAt(idx[0]); |
| 494 | Int_t ymin=d->GetCoord2(),ymax=ymin; |
| 495 | Int_t zmin=d->GetCoord1(),zmax=zmin; |
| e43c066c |
496 | |
| 7f4044f0 |
497 | for (Int_t l=0; l<ni; l++) { |
| 498 | d=(AliITSdigitSPD*)digits->UncheckedAt(idx[l]); |
| 499 | |
| 500 | if (ymin > d->GetCoord2()) ymin=d->GetCoord2(); |
| 501 | if (ymax < d->GetCoord2()) ymax=d->GetCoord2(); |
| 502 | if (zmin > d->GetCoord1()) zmin=d->GetCoord1(); |
| 503 | if (zmax < d->GetCoord1()) zmax=d->GetCoord1(); |
| e43c066c |
504 | // MI addition - find all labels in cluster |
| 505 | for (Int_t dlab=0;dlab<10;dlab++){ |
| babd135a |
506 | Int_t digitlab = (d->GetTracks())[dlab]; |
| 507 | if (digitlab<0) continue; |
| e43c066c |
508 | AddLabel(milab,digitlab); |
| babd135a |
509 | } |
| e43c066c |
510 | if (milab[9]>0) CheckLabels2(milab); |
| 511 | } |
| babd135a |
512 | CheckLabels2(milab); |
| e43c066c |
513 | // |
| 514 | //Int_t idy = (fNlayer[fI]==0)? 2:3; |
| 515 | //for (Int_t iz=zmin; iz<=zmax;iz+=2) |
| 516 | //Int_t idy = (ymax-ymin)/4.; // max 2 clusters |
| 517 | Int_t idy = 0; // max 2 clusters |
| 518 | if (fNlayer[fI]==0 &&idy<3) idy=3; |
| 519 | if (fNlayer[fI]==1 &&idy<4) idy=4; |
| 520 | Int_t idz =3; |
| 521 | for (Int_t iz=zmin; iz<=zmax;iz+=idz) |
| 522 | for (Int_t iy=ymin; iy<=ymax;iy+=idy){ |
| 523 | // |
| 524 | Int_t ndigits =0; |
| 0e986ef9 |
525 | Float_t y=0.,z=0.,q=0.; |
| e43c066c |
526 | for (Int_t l=0; l<ni; l++) { |
| 527 | d=(AliITSdigitSPD*)digits->UncheckedAt(idx[l]); |
| 528 | if (zmax-zmin>=idz || ymax-ymin>=idy){ |
| 529 | if (TMath::Abs( d->GetCoord2()-iy)>0.75*idy) continue; |
| 530 | if (TMath::Abs( d->GetCoord1()-iz)>0.75*idz) continue; |
| 531 | } |
| 532 | ndigits++; |
| 0e986ef9 |
533 | Float_t qq=d->GetSignal(); |
| e43c066c |
534 | y+=qq*fYSPD[d->GetCoord2()]; z+=qq*fZSPD[d->GetCoord1()]; q+=qq; |
| 535 | |
| 536 | } |
| 537 | if (ndigits==0) continue; |
| 538 | y/=q; z/=q; |
| 539 | y-=fHwSPD; z-=fHlSPD; |
| 540 | |
| 541 | Float_t lp[5]; |
| 542 | lp[0]=-(-y+fYshift[fI]); if (fI<=fLastSPD1) lp[0]=-lp[0]; |
| 543 | lp[1]= -z+fZshift[fI]; |
| 544 | // Float_t factor=TMath::Max(double(ni-3.),1.5); |
| 545 | Float_t factory=TMath::Max(ymax-ymin,1); |
| 546 | Float_t factorz=TMath::Max(zmax-zmin,1); |
| 547 | factory*= factory; |
| 548 | factorz*= factorz; |
| 549 | //lp[2]= (fYpitchSPD*fYpitchSPD/12.)*factory; |
| 550 | //lp[3]= (fZ1pitchSPD*fZ1pitchSPD/12.)*factorz; |
| 551 | lp[2]= (fYpitchSPD*fYpitchSPD/12.); |
| 552 | lp[3]= (fZ1pitchSPD*fZ1pitchSPD/12.); |
| 553 | //lp[4]= q; |
| 554 | lp[4]= (zmax-zmin+1)*100 + (ymax-ymin+1); |
| 555 | |
| 556 | milab[3]=fNdet[fI]; |
| 557 | d=(AliITSdigitSPD*)digits->UncheckedAt(idx[0]); |
| 558 | Int_t info[3] = {ymax-ymin+1,zmax-zmin+1,fNlayer[fI]}; |
| 559 | new (cl[n]) AliITSclusterV2(milab,lp,info); n++; |
| 560 | } |
| 7f4044f0 |
561 | } |
| e43c066c |
562 | |
| 38bcdcc1 |
563 | delete [] bins; |
| 7f4044f0 |
564 | } |
| 565 | |
| c391f9d9 |
566 | void AliITSclustererV2::FindClustersSPD(AliITSRawStream* input, |
| 567 | TClonesArray** clusters) |
| 568 | { |
| 569 | //------------------------------------------------------------ |
| 570 | // Actual SPD cluster finder for raw data |
| 571 | //------------------------------------------------------------ |
| 572 | |
| 573 | Int_t nClustersSPD = 0; |
| 574 | Int_t kNzBins = fNzSPD + 2; |
| 575 | Int_t kNyBins = fNySPD + 2; |
| 576 | Int_t kMaxBin = kNzBins * kNyBins; |
| 5102d526 |
577 | AliBin *binsSPD = new AliBin[kMaxBin]; |
| 578 | AliBin *binsSPDInit = new AliBin[kMaxBin]; |
| 579 | AliBin *bins = NULL; |
| c391f9d9 |
580 | |
| 581 | // read raw data input stream |
| 582 | while (kTRUE) { |
| 583 | Bool_t next = input->Next(); |
| 584 | if (!next || input->IsNewModule()) { |
| 585 | Int_t iModule = input->GetPrevModuleID(); |
| 586 | |
| 587 | // when all data from a module was read, search for clusters |
| 588 | if (bins) { |
| 589 | clusters[iModule] = new TClonesArray("AliITSclusterV2"); |
| 590 | Int_t nClusters = 0; |
| 591 | |
| 592 | for (Int_t iBin = 0; iBin < kMaxBin; iBin++) { |
| 593 | if (bins[iBin].IsUsed()) continue; |
| 594 | Int_t nBins = 0; |
| 595 | Int_t idxBins[200]; |
| 596 | FindCluster(iBin, kNzBins, bins, nBins, idxBins); |
| 597 | if (nBins == 200) { |
| 598 | Error("FindClustersSPD", "SPD: Too big cluster !\n"); |
| 599 | continue; |
| 600 | } |
| 601 | |
| 602 | Int_t label[4]; |
| 603 | label[0] = -2; |
| 604 | label[1] = -2; |
| 605 | label[2] = -2; |
| 606 | // label[3] = iModule; |
| 607 | label[3] = fNdet[iModule]; |
| 608 | |
| 609 | Int_t ymin = (idxBins[0] / kNzBins) - 1; |
| 610 | Int_t ymax = ymin; |
| 611 | Int_t zmin = (idxBins[0] % kNzBins) - 1; |
| 612 | Int_t zmax = zmin; |
| c391f9d9 |
613 | for (Int_t idx = 0; idx < nBins; idx++) { |
| 614 | Int_t iy = (idxBins[idx] / kNzBins) - 1; |
| 615 | Int_t iz = (idxBins[idx] % kNzBins) - 1; |
| 616 | if (ymin > iy) ymin = iy; |
| 617 | if (ymax < iy) ymax = iy; |
| 618 | if (zmin > iz) zmin = iz; |
| 619 | if (zmax < iz) zmax = iz; |
| c391f9d9 |
620 | } |
| 0e986ef9 |
621 | |
| 622 | Int_t idy = 0; // max 2 clusters |
| 623 | if ((iModule <= fLastSPD1) &&idy<3) idy=3; |
| 624 | if ((iModule > fLastSPD1) &&idy<4) idy=4; |
| 625 | Int_t idz =3; |
| 626 | for (Int_t iiz=zmin; iiz<=zmax;iiz+=idz) |
| 627 | for (Int_t iiy=ymin; iiy<=ymax;iiy+=idy){ |
| 628 | // |
| 629 | Int_t ndigits =0; |
| 630 | Float_t y=0.,z=0.,q=0.; |
| 631 | for (Int_t idx = 0; idx < nBins; idx++) { |
| 632 | Int_t iy = (idxBins[idx] / kNzBins) - 1; |
| 633 | Int_t iz = (idxBins[idx] % kNzBins) - 1; |
| 634 | if (zmax-zmin>=idz || ymax-ymin>=idy){ |
| 635 | if (TMath::Abs(iy-iiy)>0.75*idy) continue; |
| 636 | if (TMath::Abs(iz-iiz)>0.75*idz) continue; |
| 637 | } |
| 638 | ndigits++; |
| 639 | Float_t qBin = bins[idxBins[idx]].GetQ(); |
| 640 | y += qBin * fYSPD[iy]; |
| 641 | z += qBin * fZSPD[iz]; |
| 642 | q += qBin; |
| 643 | } |
| 644 | if (ndigits==0) continue; |
| 645 | y /= q; |
| 646 | z /= q; |
| 647 | y -= fHwSPD; |
| 648 | z -= fHlSPD; |
| 649 | |
| 650 | Float_t hit[5]; // y, z, sigma(y)^2, sigma(z)^2, charge |
| 651 | hit[0] = -(-y+fYshift[iModule]); |
| 652 | if (iModule <= fLastSPD1) hit[0] = -hit[0]; |
| 653 | hit[1] = -z+fZshift[iModule]; |
| 654 | hit[2] = fYpitchSPD*fYpitchSPD/12.; |
| 655 | hit[3] = fZ1pitchSPD*fZ1pitchSPD/12.; |
| 656 | // hit[4] = q; |
| 657 | hit[4] = (zmax-zmin+1)*100 + (ymax-ymin+1); |
| 658 | // CheckLabels(label); |
| 659 | Int_t info[3]={ymax-ymin+1,zmax-zmin+1,fNlayer[iModule]}; |
| 660 | new (clusters[iModule]->AddrAt(nClusters)) |
| 661 | AliITSclusterV2(label, hit,info); |
| 662 | nClusters++; |
| 663 | } |
| c391f9d9 |
664 | } |
| 665 | |
| 666 | nClustersSPD += nClusters; |
| 5102d526 |
667 | bins = NULL; |
| c391f9d9 |
668 | } |
| 669 | |
| 670 | if (!next) break; |
| 5102d526 |
671 | bins = binsSPD; |
| 672 | memcpy(binsSPD,binsSPDInit,sizeof(AliBin)*kMaxBin); |
| c391f9d9 |
673 | } |
| 674 | |
| 675 | // fill the current digit into the bins array |
| 676 | Int_t index = (input->GetCoord2()+1) * kNzBins + (input->GetCoord1()+1); |
| 677 | bins[index].SetIndex(index); |
| 678 | bins[index].SetMask(1); |
| 679 | bins[index].SetQ(1); |
| 680 | } |
| 681 | |
| 5102d526 |
682 | delete [] binsSPDInit; |
| 683 | delete [] binsSPD; |
| 684 | |
| c391f9d9 |
685 | Info("FindClustersSPD", "found clusters in ITS SPD: %d", nClustersSPD); |
| 686 | } |
| 687 | |
| 688 | |
| 7f4044f0 |
689 | Bool_t AliITSclustererV2::IsMaximum(Int_t k,Int_t max,const AliBin *bins) { |
| 690 | //------------------------------------------------------------ |
| 691 | //is this a local maximum ? |
| 692 | //------------------------------------------------------------ |
| 693 | UShort_t q=bins[k].GetQ(); |
| 694 | if (q==1023) return kFALSE; |
| 695 | if (bins[k-max].GetQ() > q) return kFALSE; |
| 696 | if (bins[k-1 ].GetQ() > q) return kFALSE; |
| 697 | if (bins[k+max].GetQ() > q) return kFALSE; |
| 698 | if (bins[k+1 ].GetQ() > q) return kFALSE; |
| 699 | if (bins[k-max-1].GetQ() > q) return kFALSE; |
| 700 | if (bins[k+max-1].GetQ() > q) return kFALSE; |
| 701 | if (bins[k+max+1].GetQ() > q) return kFALSE; |
| 702 | if (bins[k-max+1].GetQ() > q) return kFALSE; |
| 703 | return kTRUE; |
| 704 | } |
| 705 | |
| 706 | void AliITSclustererV2:: |
| 707 | FindPeaks(Int_t k,Int_t max,AliBin *b,Int_t *idx,UInt_t *msk,Int_t& n) { |
| 708 | //------------------------------------------------------------ |
| 709 | //find local maxima |
| 710 | //------------------------------------------------------------ |
| 711 | if (n<31) |
| 712 | if (IsMaximum(k,max,b)) { |
| 713 | idx[n]=k; msk[n]=(2<<n); |
| 714 | n++; |
| 715 | } |
| 716 | b[k].SetMask(0); |
| 717 | if (b[k-max].GetMask()&1) FindPeaks(k-max,max,b,idx,msk,n); |
| 718 | if (b[k-1 ].GetMask()&1) FindPeaks(k-1 ,max,b,idx,msk,n); |
| 719 | if (b[k+max].GetMask()&1) FindPeaks(k+max,max,b,idx,msk,n); |
| 720 | if (b[k+1 ].GetMask()&1) FindPeaks(k+1 ,max,b,idx,msk,n); |
| 721 | } |
| 722 | |
| 723 | void AliITSclustererV2:: |
| 724 | MarkPeak(Int_t k, Int_t max, AliBin *bins, UInt_t m) { |
| 725 | //------------------------------------------------------------ |
| 726 | //mark this peak |
| 727 | //------------------------------------------------------------ |
| 728 | UShort_t q=bins[k].GetQ(); |
| 729 | |
| 730 | bins[k].SetMask(bins[k].GetMask()|m); |
| 731 | |
| 732 | if (bins[k-max].GetQ() <= q) |
| 733 | if ((bins[k-max].GetMask()&m) == 0) MarkPeak(k-max,max,bins,m); |
| 734 | if (bins[k-1 ].GetQ() <= q) |
| 735 | if ((bins[k-1 ].GetMask()&m) == 0) MarkPeak(k-1 ,max,bins,m); |
| 736 | if (bins[k+max].GetQ() <= q) |
| 737 | if ((bins[k+max].GetMask()&m) == 0) MarkPeak(k+max,max,bins,m); |
| 738 | if (bins[k+1 ].GetQ() <= q) |
| 739 | if ((bins[k+1 ].GetMask()&m) == 0) MarkPeak(k+1 ,max,bins,m); |
| 740 | } |
| 741 | |
| 742 | void AliITSclustererV2:: |
| 743 | MakeCluster(Int_t k,Int_t max,AliBin *bins,UInt_t m,AliITSclusterV2 &c) { |
| 744 | //------------------------------------------------------------ |
| 745 | //make cluster using digits of this peak |
| 746 | //------------------------------------------------------------ |
| 747 | Float_t q=(Float_t)bins[k].GetQ(); |
| 748 | Int_t i=k/max, j=k-i*max; |
| 749 | |
| 750 | c.SetQ(c.GetQ()+q); |
| 751 | c.SetY(c.GetY()+i*q); |
| 752 | c.SetZ(c.GetZ()+j*q); |
| 753 | c.SetSigmaY2(c.GetSigmaY2()+i*i*q); |
| 754 | c.SetSigmaZ2(c.GetSigmaZ2()+j*j*q); |
| 755 | |
| 756 | bins[k].SetMask(0xFFFFFFFE); |
| 757 | |
| 758 | if (bins[k-max].GetMask() == m) MakeCluster(k-max,max,bins,m,c); |
| 759 | if (bins[k-1 ].GetMask() == m) MakeCluster(k-1 ,max,bins,m,c); |
| 760 | if (bins[k+max].GetMask() == m) MakeCluster(k+max,max,bins,m,c); |
| 761 | if (bins[k+1 ].GetMask() == m) MakeCluster(k+1 ,max,bins,m,c); |
| 762 | } |
| 763 | |
| 764 | void AliITSclustererV2:: |
| c391f9d9 |
765 | FindClustersSDD(AliBin* bins[2], Int_t nMaxBin, Int_t nzBins, |
| 766 | const TClonesArray *digits, TClonesArray *clusters) { |
| 7f4044f0 |
767 | //------------------------------------------------------------ |
| 768 | // Actual SDD cluster finder |
| 769 | //------------------------------------------------------------ |
| 7f4044f0 |
770 | Int_t ncl=0; TClonesArray &cl=*clusters; |
| 771 | for (Int_t s=0; s<2; s++) |
| c391f9d9 |
772 | for (Int_t i=0; i<nMaxBin; i++) { |
| 7f4044f0 |
773 | if (bins[s][i].IsUsed()) continue; |
| 774 | Int_t idx[32]; UInt_t msk[32]; Int_t npeaks=0; |
| c391f9d9 |
775 | FindPeaks(i, nzBins, bins[s], idx, msk, npeaks); |
| 7f4044f0 |
776 | |
| 777 | if (npeaks>30) continue; |
| e43c066c |
778 | if (npeaks==0) continue; |
| 7f4044f0 |
779 | |
| 780 | Int_t k,l; |
| 781 | for (k=0; k<npeaks-1; k++){//mark adjacent peaks |
| 782 | if (idx[k] < 0) continue; //this peak is already removed |
| 783 | for (l=k+1; l<npeaks; l++) { |
| 784 | if (idx[l] < 0) continue; //this peak is already removed |
| c391f9d9 |
785 | Int_t ki=idx[k]/nzBins, kj=idx[k] - ki*nzBins; |
| 786 | Int_t li=idx[l]/nzBins, lj=idx[l] - li*nzBins; |
| 7f4044f0 |
787 | Int_t di=TMath::Abs(ki - li); |
| 788 | Int_t dj=TMath::Abs(kj - lj); |
| 789 | if (di>1 || dj>1) continue; |
| 790 | if (bins[s][idx[k]].GetQ() > bins[s][idx[l]].GetQ()) { |
| 791 | msk[l]=msk[k]; |
| 792 | idx[l]*=-1; |
| 793 | } else { |
| 794 | msk[k]=msk[l]; |
| 795 | idx[k]*=-1; |
| 796 | break; |
| 797 | } |
| 798 | } |
| 799 | } |
| 800 | |
| 801 | for (k=0; k<npeaks; k++) { |
| c391f9d9 |
802 | MarkPeak(TMath::Abs(idx[k]), nzBins, bins[s], msk[k]); |
| 7f4044f0 |
803 | } |
| 804 | |
| 805 | for (k=0; k<npeaks; k++) { |
| 806 | if (idx[k] < 0) continue; //removed peak |
| 807 | AliITSclusterV2 c; |
| c391f9d9 |
808 | MakeCluster(idx[k], nzBins, bins[s], msk[k], c); |
| babd135a |
809 | //mi change |
| 810 | Int_t milab[10]; |
| 811 | for (Int_t ilab=0;ilab<10;ilab++){ |
| 812 | milab[ilab]=-2; |
| 813 | } |
| e43c066c |
814 | Int_t maxi=0,mini=0,maxj=0,minj=0; |
| 815 | //AliBin *bmax=&bins[s][idx[k]]; |
| 816 | //Float_t max = TMath::Max(TMath::Abs(bmax->GetQ())/5.,3.); |
| 817 | Float_t max=3; |
| 818 | for (Int_t di=-2; di<=2;di++) |
| 819 | for (Int_t dj=-3;dj<=3;dj++){ |
| 820 | Int_t index = idx[k]+di+dj*nzBins; |
| 821 | if (index<0) continue; |
| 822 | if (index>=nMaxBin) continue; |
| 823 | AliBin *b=&bins[s][index]; |
| 824 | if (TMath::Abs(b->GetQ())>max){ |
| 825 | if (di>maxi) maxi=di; |
| 826 | if (di<mini) mini=di; |
| 827 | if (dj>maxj) maxj=dj; |
| 828 | if (dj<minj) minj=dj; |
| 829 | // |
| 0e986ef9 |
830 | if(digits) { |
| 831 | if (TMath::Abs(di)<2&&TMath::Abs(dj)<2){ |
| 832 | AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex()); |
| 833 | for (Int_t itrack=0;itrack<10;itrack++){ |
| 834 | Int_t track = (d->GetTracks())[itrack]; |
| 835 | if (track>=0) { |
| 836 | AddLabel(milab, track); |
| 837 | } |
| e43c066c |
838 | } |
| 839 | } |
| 840 | } |
| 841 | } |
| 842 | } |
| 843 | |
| 844 | /* |
| 845 | Float_t s2 = c.GetSigmaY2()/c.GetQ() - c.GetY()*c.GetY(); |
| 846 | Float_t w=par->GetPadPitchWidth(sec); |
| 847 | c.SetSigmaY2(s2); |
| 848 | if (s2 != 0.) { |
| 849 | c.SetSigmaY2(c.GetSigmaY2()*0.108); |
| 850 | if (sec<par->GetNInnerSector()) c.SetSigmaY2(c.GetSigmaY2()*2.07); |
| 851 | } |
| 852 | s2 = c.GetSigmaZ2()/c.GetQ() - c.GetZ()*c.GetZ(); |
| 853 | w=par->GetZWidth(); |
| 854 | c.SetSigmaZ2(s2); |
| 855 | |
| 856 | if (s2 != 0.) { |
| 857 | c.SetSigmaZ2(c.GetSigmaZ2()*0.169); |
| 858 | if (sec<par->GetNInnerSector()) c.SetSigmaZ2(c.GetSigmaZ2()*1.77); |
| 859 | } |
| 7f4044f0 |
860 | */ |
| 861 | |
| 7f4044f0 |
862 | Float_t y=c.GetY(),z=c.GetZ(), q=c.GetQ(); |
| 863 | y/=q; z/=q; |
| e43c066c |
864 | // |
| 865 | //Float_t s2 = c.GetSigmaY2()/c.GetQ() - y*y; |
| 866 | // c.SetSigmaY2(s2); |
| 867 | //s2 = c.GetSigmaZ2()/c.GetQ() - z*z; |
| 868 | //c.SetSigmaZ2(s2); |
| 869 | // |
| 7f4044f0 |
870 | y=(y-0.5)*fYpitchSDD; |
| 871 | y-=fHwSDD; |
| 872 | y-=fYoffSDD; //delay ? |
| 873 | if (s) y=-y; |
| 874 | |
| 875 | z=(z-0.5)*fZpitchSDD; |
| 876 | z-=fHlSDD; |
| 877 | |
| f363d377 |
878 | y=-(-y+fYshift[fI]); |
| 879 | z= -z+fZshift[fI]; |
| ecb9da3c |
880 | |
| 881 | q/=12.7; //this WAS consistent with SSD. To be reassessed |
| 882 | // 23-MAR-2007 |
| 883 | Float_t hit[5] = {y, z, 0.0030*0.0030, 0.0020*0.0020, q}; |
| 884 | Int_t info[3] = {maxj-minj+1, maxi-mini+1, fNlayer[fI]}; |
| e3d91d99 |
885 | |
| 886 | if (c.GetQ() < 20.) continue; //noise cluster |
| e43c066c |
887 | |
| 888 | if (digits) { |
| 889 | // AliBin *b=&bins[s][idx[k]]; |
| 890 | // AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex()); |
| c391f9d9 |
891 | { |
| e43c066c |
892 | //Int_t lab[3]; |
| 893 | //lab[0]=(d->GetTracks())[0]; |
| 894 | //lab[1]=(d->GetTracks())[1]; |
| 895 | //lab[2]=(d->GetTracks())[2]; |
| 896 | //CheckLabels(lab); |
| babd135a |
897 | CheckLabels2(milab); |
| c391f9d9 |
898 | } |
| 899 | } |
| ecb9da3c |
900 | milab[3]=fNdet[fI]; |
| 901 | |
| 902 | AliITSclusterV2 *cc = new (cl[ncl]) AliITSclusterV2(milab,hit,info); |
| 903 | cc->SetType(npeaks); |
| 904 | ncl++; |
| 7f4044f0 |
905 | } |
| 906 | } |
| c391f9d9 |
907 | } |
| 908 | |
| 909 | void AliITSclustererV2:: |
| 910 | FindClustersSDD(const TClonesArray *digits, TClonesArray *clusters) { |
| 911 | //------------------------------------------------------------ |
| 912 | // Actual SDD cluster finder |
| 913 | //------------------------------------------------------------ |
| 914 | Int_t kNzBins = fNzSDD + 2; |
| 915 | const Int_t kMAXBIN=kNzBins*(fNySDD+2); |
| 916 | |
| 917 | AliBin *bins[2]; |
| 918 | bins[0]=new AliBin[kMAXBIN]; |
| 919 | bins[1]=new AliBin[kMAXBIN]; |
| 920 | |
| 921 | AliITSdigitSDD *d=0; |
| 922 | Int_t i, ndigits=digits->GetEntriesFast(); |
| 923 | for (i=0; i<ndigits; i++) { |
| 924 | d=(AliITSdigitSDD*)digits->UncheckedAt(i); |
| 925 | Int_t y=d->GetCoord2()+1; //y |
| 926 | Int_t z=d->GetCoord1()+1; //z |
| 927 | Int_t q=d->GetSignal(); |
| e43c066c |
928 | if (q<3) continue; |
| e3d91d99 |
929 | |
| c391f9d9 |
930 | if (z <= fNzSDD) { |
| 931 | bins[0][y*kNzBins+z].SetQ(q); |
| 932 | bins[0][y*kNzBins+z].SetMask(1); |
| 933 | bins[0][y*kNzBins+z].SetIndex(i); |
| 934 | } else { |
| 935 | z-=fNzSDD; |
| 936 | bins[1][y*kNzBins+z].SetQ(q); |
| 937 | bins[1][y*kNzBins+z].SetMask(1); |
| 938 | bins[1][y*kNzBins+z].SetIndex(i); |
| 939 | } |
| 940 | } |
| 941 | |
| 942 | FindClustersSDD(bins, kMAXBIN, kNzBins, digits, clusters); |
| 7f4044f0 |
943 | |
| 944 | delete[] bins[0]; |
| 945 | delete[] bins[1]; |
| 0e986ef9 |
946 | |
| 7f4044f0 |
947 | } |
| 948 | |
| c391f9d9 |
949 | void AliITSclustererV2::FindClustersSDD(AliITSRawStream* input, |
| 950 | TClonesArray** clusters) |
| 951 | { |
| 952 | //------------------------------------------------------------ |
| 953 | // Actual SDD cluster finder for raw data |
| 954 | //------------------------------------------------------------ |
| 955 | Int_t nClustersSDD = 0; |
| 956 | Int_t kNzBins = fNzSDD + 2; |
| 957 | Int_t kMaxBin = kNzBins * (fNySDD+2); |
| 5102d526 |
958 | AliBin *binsSDDInit = new AliBin[kMaxBin]; |
| 959 | AliBin *binsSDD1 = new AliBin[kMaxBin]; |
| 960 | AliBin *binsSDD2 = new AliBin[kMaxBin]; |
| 961 | AliBin *bins[2] = {NULL, NULL}; |
| c391f9d9 |
962 | |
| 963 | // read raw data input stream |
| 964 | while (kTRUE) { |
| 965 | Bool_t next = input->Next(); |
| 966 | if (!next || input->IsNewModule()) { |
| 967 | Int_t iModule = input->GetPrevModuleID(); |
| 968 | |
| 969 | // when all data from a module was read, search for clusters |
| 970 | if (bins[0]) { |
| 971 | clusters[iModule] = new TClonesArray("AliITSclusterV2"); |
| 972 | fI = iModule; |
| 973 | FindClustersSDD(bins, kMaxBin, kNzBins, NULL, clusters[iModule]); |
| 974 | Int_t nClusters = clusters[iModule]->GetEntriesFast(); |
| 975 | nClustersSDD += nClusters; |
| 5102d526 |
976 | bins[0] = bins[1] = NULL; |
| c391f9d9 |
977 | } |
| 978 | |
| 979 | if (!next) break; |
| 5102d526 |
980 | bins[0]=binsSDD1; |
| 981 | bins[1]=binsSDD2; |
| 982 | memcpy(binsSDD1,binsSDDInit,sizeof(AliBin)*kMaxBin); |
| 983 | memcpy(binsSDD2,binsSDDInit,sizeof(AliBin)*kMaxBin); |
| c391f9d9 |
984 | } |
| 985 | |
| 986 | // fill the current digit into the bins array |
| 0e986ef9 |
987 | if(input->GetSignal()>=3) { |
| 988 | Int_t iz = input->GetCoord1()+1; |
| 989 | Int_t side = ((iz <= fNzSDD) ? 0 : 1); |
| 990 | iz -= side*fNzSDD; |
| 991 | Int_t index = (input->GetCoord2()+1) * kNzBins + iz; |
| 992 | bins[side][index].SetQ(input->GetSignal()); |
| 993 | bins[side][index].SetMask(1); |
| 994 | bins[side][index].SetIndex(index); |
| 995 | } |
| c391f9d9 |
996 | } |
| 997 | |
| 5102d526 |
998 | delete[] binsSDD1; |
| 999 | delete[] binsSDD2; |
| 1000 | delete[] binsSDDInit; |
| 1001 | |
| c391f9d9 |
1002 | Info("FindClustersSDD", "found clusters in ITS SDD: %d", nClustersSDD); |
| 1003 | } |
| 1004 | |
| e43c066c |
1005 | |
| 1006 | |
| c391f9d9 |
1007 | void AliITSclustererV2:: |
| 1008 | FindClustersSSD(Ali1Dcluster* neg, Int_t nn, |
| 1009 | Ali1Dcluster* pos, Int_t np, |
| 1010 | TClonesArray *clusters) { |
| 1011 | //------------------------------------------------------------ |
| 1012 | // Actual SSD cluster finder |
| 1013 | //------------------------------------------------------------ |
| 1014 | TClonesArray &cl=*clusters; |
| e43c066c |
1015 | // |
| c391f9d9 |
1016 | Float_t tanp=fTanP, tann=fTanN; |
| 1017 | if (fI>fLastSSD1) {tann=fTanP; tanp=fTanN;} |
| c391f9d9 |
1018 | Int_t idet=fNdet[fI]; |
| 1019 | Int_t ncl=0; |
| e43c066c |
1020 | // |
| 1021 | Int_t negativepair[30000]; |
| 1022 | Int_t cnegative[3000]; |
| 1023 | Int_t cused1[3000]; |
| 1024 | Int_t positivepair[30000]; |
| 1025 | Int_t cpositive[3000]; |
| 1026 | Int_t cused2[3000]; |
| 1027 | for (Int_t i=0;i<3000;i++) {cnegative[i]=0; cused1[i]=0;} |
| 1028 | for (Int_t i=0;i<3000;i++) {cpositive[i]=0; cused2[i]=0;} |
| b66f90a0 |
1029 | for (Int_t i=0;i<30000;i++){negativepair[i]=positivepair[i]=0;} |
| 0774985e |
1030 | static Short_t pairs[1000][1000]; |
| 1031 | memset(pairs,0,sizeof(Short_t)*1000000); |
| 1032 | // Short_t ** pairs = new Short_t*[1000]; |
| 1033 | // for (Int_t i=0; i<1000; i++) { |
| 1034 | // pairs[i] = new Short_t[1000]; |
| 1035 | // memset(pairs[i],0,sizeof(Short_t)*1000); |
| 1036 | // } |
| e43c066c |
1037 | // |
| 1038 | // find available pairs |
| 1039 | // |
| 1040 | for (Int_t i=0; i<np; i++) { |
| 1041 | Float_t yp=pos[i].GetY()*fYpitchSSD; |
| 1042 | if (pos[i].GetQ()<3) continue; |
| 1043 | for (Int_t j=0; j<nn; j++) { |
| 1044 | if (neg[j].GetQ()<3) continue; |
| 1045 | Float_t yn=neg[j].GetY()*fYpitchSSD; |
| 1046 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1047 | Float_t yt=yn + tann*zt; |
| 1048 | zt-=fHlSSD; yt-=fHwSSD; |
| 1049 | if (TMath::Abs(yt)<fHwSSD+0.01) |
| 1050 | if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) { |
| 1051 | negativepair[i*10+cnegative[i]] =j; //index |
| 1052 | positivepair[j*10+cpositive[j]] =i; |
| 1053 | cnegative[i]++; //counters |
| 1054 | cpositive[j]++; |
| 1055 | pairs[i][j]=100; |
| 1056 | } |
| 1057 | } |
| 1058 | } |
| 1059 | // |
| 1060 | for (Int_t i=0; i<np; i++) { |
| 1061 | Float_t yp=pos[i].GetY()*fYpitchSSD; |
| 1062 | if (pos[i].GetQ()<3) continue; |
| 1063 | for (Int_t j=0; j<nn; j++) { |
| 1064 | if (neg[j].GetQ()<3) continue; |
| 1065 | if (cpositive[j]&&cnegative[i]) continue; |
| 1066 | Float_t yn=neg[j].GetY()*fYpitchSSD; |
| 1067 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1068 | Float_t yt=yn + tann*zt; |
| 1069 | zt-=fHlSSD; yt-=fHwSSD; |
| 1070 | if (TMath::Abs(yt)<fHwSSD+0.1) |
| 1071 | if (TMath::Abs(zt)<fHlSSD+0.15) { |
| 1072 | if (cnegative[i]==0) pos[i].SetNd(100); // not available pair |
| 1073 | if (cpositive[j]==0) neg[j].SetNd(100); // not available pair |
| 1074 | negativepair[i*10+cnegative[i]] =j; //index |
| 1075 | positivepair[j*10+cpositive[j]] =i; |
| 1076 | cnegative[i]++; //counters |
| 1077 | cpositive[j]++; |
| 1078 | pairs[i][j]=100; |
| 1079 | } |
| 1080 | } |
| 1081 | } |
| 1082 | // |
| 1083 | Float_t lp[5]; |
| 1084 | Int_t milab[10]; |
| 1085 | Double_t ratio; |
| 1086 | |
| 1087 | // |
| 1088 | // sign gold tracks |
| 1089 | // |
| 1090 | for (Int_t ip=0;ip<np;ip++){ |
| 1091 | Float_t ybest=1000,zbest=1000,qbest=0; |
| 1092 | // |
| 1093 | // select gold clusters |
| 1094 | if ( (cnegative[ip]==1) && cpositive[negativepair[10*ip]]==1){ |
| 1095 | Float_t yp=pos[ip].GetY()*fYpitchSSD; |
| 1096 | Int_t j = negativepair[10*ip]; |
| 1097 | ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ()); |
| 1098 | // |
| 1099 | Float_t yn=neg[j].GetY()*fYpitchSSD; |
| 1100 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1101 | Float_t yt=yn + tann*zt; |
| 1102 | zt-=fHlSSD; yt-=fHwSSD; |
| 1103 | ybest=yt; zbest=zt; |
| 1104 | qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ()); |
| 1105 | lp[0]=-(-ybest+fYshift[fI]); |
| 1106 | lp[1]= -zbest+fZshift[fI]; |
| 1107 | lp[2]=0.0025*0.0025; //SigmaY2 |
| 1108 | lp[3]=0.110*0.110; //SigmaZ2 |
| 1109 | |
| 1110 | lp[4]=qbest; //Q |
| 1111 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
| 1112 | for (Int_t ilab=0;ilab<3;ilab++){ |
| 1113 | milab[ilab] = pos[ip].GetLabel(ilab); |
| 1114 | milab[ilab+3] = neg[j].GetLabel(ilab); |
| 1115 | } |
| 1116 | // |
| 1117 | CheckLabels2(milab); |
| 1118 | milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det |
| 1119 | Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fI]}; |
| 1120 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); |
| 1121 | ncl++; |
| 1122 | cl2->SetChargeRatio(ratio); |
| 1123 | cl2->SetType(1); |
| 1124 | pairs[ip][j]=1; |
| 1125 | if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster |
| 1126 | cl2->SetType(2); |
| 1127 | pairs[ip][j]=2; |
| 1128 | } |
| 1129 | cused1[ip]++; |
| 1130 | cused2[j]++; |
| 1131 | } |
| 1132 | } |
| 1133 | |
| 1134 | for (Int_t ip=0;ip<np;ip++){ |
| 1135 | Float_t ybest=1000,zbest=1000,qbest=0; |
| 1136 | // |
| 1137 | // |
| 1138 | // select "silber" cluster |
| 1139 | if ( cnegative[ip]==1 && cpositive[negativepair[10*ip]]==2){ |
| 1140 | Int_t in = negativepair[10*ip]; |
| 1141 | Int_t ip2 = positivepair[10*in]; |
| 1142 | if (ip2==ip) ip2 = positivepair[10*in+1]; |
| 1143 | Float_t pcharge = pos[ip].GetQ()+pos[ip2].GetQ(); |
| 1144 | if (TMath::Abs(pcharge-neg[in].GetQ())<10){ |
| 1145 | // |
| 1146 | // add first pair |
| 1147 | if (pairs[ip][in]==100){ // |
| 1148 | Float_t yp=pos[ip].GetY()*fYpitchSSD; |
| 1149 | Float_t yn=neg[in].GetY()*fYpitchSSD; |
| 1150 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1151 | Float_t yt=yn + tann*zt; |
| 1152 | zt-=fHlSSD; yt-=fHwSSD; |
| 1153 | ybest =yt; zbest=zt; |
| 1154 | qbest =pos[ip].GetQ(); |
| 1155 | lp[0]=-(-ybest+fYshift[fI]); |
| 1156 | lp[1]= -zbest+fZshift[fI]; |
| 1157 | lp[2]=0.0025*0.0025; //SigmaY2 |
| 1158 | lp[3]=0.110*0.110; //SigmaZ2 |
| 1159 | |
| 1160 | lp[4]=qbest; //Q |
| 1161 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
| 1162 | for (Int_t ilab=0;ilab<3;ilab++){ |
| 1163 | milab[ilab] = pos[ip].GetLabel(ilab); |
| 1164 | milab[ilab+3] = neg[in].GetLabel(ilab); |
| 1165 | } |
| 1166 | // |
| 1167 | CheckLabels2(milab); |
| 1168 | ratio = (pos[ip].GetQ()-neg[in].GetQ())/(pos[ip].GetQ()+neg[in].GetQ()); |
| 1169 | milab[3]=(((ip<<10) + in)<<10) + idet; // pos|neg|det |
| 1170 | Int_t info[3] = {pos[ip].GetNd(),neg[in].GetNd(),fNlayer[fI]}; |
| 1171 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); |
| 1172 | ncl++; |
| 1173 | cl2->SetChargeRatio(ratio); |
| 1174 | cl2->SetType(5); |
| 1175 | pairs[ip][in] = 5; |
| 1176 | if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster |
| 1177 | cl2->SetType(6); |
| 1178 | pairs[ip][in] = 6; |
| 1179 | } |
| 1180 | } |
| 1181 | // |
| 1182 | // add second pair |
| 1183 | |
| 1184 | // if (!(cused1[ip2] || cused2[in])){ // |
| 1185 | if (pairs[ip2][in]==100){ |
| 1186 | Float_t yp=pos[ip2].GetY()*fYpitchSSD; |
| 1187 | Float_t yn=neg[in].GetY()*fYpitchSSD; |
| 1188 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1189 | Float_t yt=yn + tann*zt; |
| 1190 | zt-=fHlSSD; yt-=fHwSSD; |
| 1191 | ybest =yt; zbest=zt; |
| 1192 | qbest =pos[ip2].GetQ(); |
| 1193 | lp[0]=-(-ybest+fYshift[fI]); |
| 1194 | lp[1]= -zbest+fZshift[fI]; |
| 1195 | lp[2]=0.0025*0.0025; //SigmaY2 |
| 1196 | lp[3]=0.110*0.110; //SigmaZ2 |
| 1197 | |
| 1198 | lp[4]=qbest; //Q |
| 1199 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
| 1200 | for (Int_t ilab=0;ilab<3;ilab++){ |
| 1201 | milab[ilab] = pos[ip2].GetLabel(ilab); |
| 1202 | milab[ilab+3] = neg[in].GetLabel(ilab); |
| 1203 | } |
| 1204 | // |
| 1205 | CheckLabels2(milab); |
| 1206 | ratio = (pos[ip2].GetQ()-neg[in].GetQ())/(pos[ip2].GetQ()+neg[in].GetQ()); |
| 1207 | milab[3]=(((ip2<<10) + in)<<10) + idet; // pos|neg|det |
| 1208 | Int_t info[3] = {pos[ip2].GetNd(),neg[in].GetNd(),fNlayer[fI]}; |
| 1209 | AliITSclusterV2 *cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); |
| 1210 | ncl++; |
| 1211 | cl2->SetChargeRatio(ratio); |
| 1212 | cl2->SetType(5); |
| 1213 | pairs[ip2][in] =5; |
| 1214 | if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster |
| 1215 | cl2->SetType(6); |
| 1216 | pairs[ip2][in] =6; |
| 1217 | } |
| 1218 | } |
| 1219 | cused1[ip]++; |
| 1220 | cused1[ip2]++; |
| 1221 | cused2[in]++; |
| 1222 | } |
| 1223 | } |
| 1224 | } |
| 1225 | |
| 1226 | // |
| 1227 | for (Int_t jn=0;jn<nn;jn++){ |
| 1228 | if (cused2[jn]) continue; |
| 1229 | Float_t ybest=1000,zbest=1000,qbest=0; |
| 1230 | // select "silber" cluster |
| 1231 | if ( cpositive[jn]==1 && cnegative[positivepair[10*jn]]==2){ |
| 1232 | Int_t ip = positivepair[10*jn]; |
| 1233 | Int_t jn2 = negativepair[10*ip]; |
| 1234 | if (jn2==jn) jn2 = negativepair[10*ip+1]; |
| 1235 | Float_t pcharge = neg[jn].GetQ()+neg[jn2].GetQ(); |
| 1236 | // |
| 1237 | if (TMath::Abs(pcharge-pos[ip].GetQ())<10){ |
| 1238 | // |
| 1239 | // add first pair |
| 1240 | // if (!(cused1[ip]||cused2[jn])){ |
| 1241 | if (pairs[ip][jn]==100){ |
| 1242 | Float_t yn=neg[jn].GetY()*fYpitchSSD; |
| 1243 | Float_t yp=pos[ip].GetY()*fYpitchSSD; |
| 1244 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1245 | Float_t yt=yn + tann*zt; |
| 1246 | zt-=fHlSSD; yt-=fHwSSD; |
| 1247 | ybest =yt; zbest=zt; |
| 1248 | qbest =neg[jn].GetQ(); |
| 1249 | lp[0]=-(-ybest+fYshift[fI]); |
| 1250 | lp[1]= -zbest+fZshift[fI]; |
| 1251 | lp[2]=0.0025*0.0025; //SigmaY2 |
| 1252 | lp[3]=0.110*0.110; //SigmaZ2 |
| 1253 | |
| 1254 | lp[4]=qbest; //Q |
| 1255 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
| 1256 | for (Int_t ilab=0;ilab<3;ilab++){ |
| 1257 | milab[ilab] = pos[ip].GetLabel(ilab); |
| 1258 | milab[ilab+3] = neg[jn].GetLabel(ilab); |
| 1259 | } |
| 1260 | // |
| 1261 | CheckLabels2(milab); |
| 1262 | ratio = (pos[ip].GetQ()-neg[jn].GetQ())/(pos[ip].GetQ()+neg[jn].GetQ()); |
| 1263 | milab[3]=(((ip<<10) + jn)<<10) + idet; // pos|neg|det |
| 1264 | Int_t info[3] = {pos[ip].GetNd(),neg[jn].GetNd(),fNlayer[fI]}; |
| 1265 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); |
| 1266 | ncl++; |
| 1267 | cl2->SetChargeRatio(ratio); |
| 1268 | cl2->SetType(7); |
| 1269 | pairs[ip][jn] =7; |
| 1270 | if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster |
| 1271 | cl2->SetType(8); |
| 1272 | pairs[ip][jn]=8; |
| 1273 | } |
| 1274 | } |
| 1275 | // |
| 1276 | // add second pair |
| 1277 | // if (!(cused1[ip]||cused2[jn2])){ |
| 1278 | if (pairs[ip][jn2]==100){ |
| 1279 | Float_t yn=neg[jn2].GetY()*fYpitchSSD; |
| 1280 | Double_t yp=pos[ip].GetY()*fYpitchSSD; |
| 1281 | Double_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1282 | Double_t yt=yn + tann*zt; |
| 1283 | zt-=fHlSSD; yt-=fHwSSD; |
| 1284 | ybest =yt; zbest=zt; |
| 1285 | qbest =neg[jn2].GetQ(); |
| 1286 | lp[0]=-(-ybest+fYshift[fI]); |
| 1287 | lp[1]= -zbest+fZshift[fI]; |
| 1288 | lp[2]=0.0025*0.0025; //SigmaY2 |
| 1289 | lp[3]=0.110*0.110; //SigmaZ2 |
| 1290 | |
| 1291 | lp[4]=qbest; //Q |
| 1292 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
| 1293 | for (Int_t ilab=0;ilab<3;ilab++){ |
| 1294 | milab[ilab] = pos[ip].GetLabel(ilab); |
| 1295 | milab[ilab+3] = neg[jn2].GetLabel(ilab); |
| 1296 | } |
| 1297 | // |
| 1298 | CheckLabels2(milab); |
| 1299 | ratio = (pos[ip].GetQ()-neg[jn2].GetQ())/(pos[ip].GetQ()+neg[jn2].GetQ()); |
| 1300 | milab[3]=(((ip<<10) + jn2)<<10) + idet; // pos|neg|det |
| 1301 | Int_t info[3] = {pos[ip].GetNd(),neg[jn2].GetNd(),fNlayer[fI]}; |
| 1302 | AliITSclusterV2* cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); |
| 1303 | ncl++; |
| 1304 | cl2->SetChargeRatio(ratio); |
| 1305 | pairs[ip][jn2]=7; |
| 1306 | cl2->SetType(7); |
| 1307 | if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster |
| 1308 | cl2->SetType(8); |
| 1309 | pairs[ip][jn2]=8; |
| 1310 | } |
| 1311 | } |
| 1312 | cused1[ip]++; |
| 1313 | cused2[jn]++; |
| 1314 | cused2[jn2]++; |
| 1315 | } |
| 1316 | } |
| 1317 | } |
| 1318 | |
| 1319 | for (Int_t ip=0;ip<np;ip++){ |
| 1320 | Float_t ybest=1000,zbest=1000,qbest=0; |
| 1321 | // |
| 1322 | // 2x2 clusters |
| 1323 | // |
| 1324 | if ( (cnegative[ip]<5) && cpositive[negativepair[10*ip]]<5){ |
| 1325 | Float_t minchargediff =4.; |
| 1326 | Int_t j=-1; |
| 1327 | for (Int_t di=0;di<cnegative[ip];di++){ |
| 1328 | Int_t jc = negativepair[ip*10+di]; |
| 1329 | Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ(); |
| 1330 | if (TMath::Abs(chargedif)<minchargediff){ |
| 1331 | j =jc; |
| 1332 | minchargediff = TMath::Abs(chargedif); |
| 1333 | } |
| 1334 | } |
| 1335 | if (j<0) continue; // not proper cluster |
| 1336 | Int_t count =0; |
| 1337 | for (Int_t di=0;di<cnegative[ip];di++){ |
| 1338 | Int_t jc = negativepair[ip*10+di]; |
| 1339 | Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ(); |
| 1340 | if (TMath::Abs(chargedif)<minchargediff+3.) count++; |
| 1341 | } |
| 1342 | if (count>1) continue; // more than one "proper" cluster for positive |
| 1343 | // |
| 1344 | count =0; |
| 1345 | for (Int_t dj=0;dj<cpositive[j];dj++){ |
| 1346 | Int_t ic = positivepair[j*10+dj]; |
| 1347 | Float_t chargedif = pos[ic].GetQ()-neg[j].GetQ(); |
| 1348 | if (TMath::Abs(chargedif)<minchargediff+3.) count++; |
| 1349 | } |
| 1350 | if (count>1) continue; // more than one "proper" cluster for negative |
| 1351 | |
| 1352 | Int_t jp = 0; |
| 1353 | |
| 1354 | count =0; |
| 1355 | for (Int_t dj=0;dj<cnegative[jp];dj++){ |
| 1356 | Int_t ic = positivepair[jp*10+dj]; |
| 1357 | Float_t chargedif = pos[ic].GetQ()-neg[jp].GetQ(); |
| 1358 | if (TMath::Abs(chargedif)<minchargediff+4.) count++; |
| 1359 | } |
| 1360 | if (count>1) continue; |
| 1361 | if (pairs[ip][j]<100) continue; |
| 1362 | // |
| 1363 | //almost gold clusters |
| 1364 | Float_t yp=pos[ip].GetY()*fYpitchSSD; |
| 1365 | Float_t yn=neg[j].GetY()*fYpitchSSD; |
| 1366 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1367 | Float_t yt=yn + tann*zt; |
| 1368 | zt-=fHlSSD; yt-=fHwSSD; |
| 1369 | ybest=yt; zbest=zt; |
| 1370 | qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ()); |
| 1371 | lp[0]=-(-ybest+fYshift[fI]); |
| 1372 | lp[1]= -zbest+fZshift[fI]; |
| 1373 | lp[2]=0.0025*0.0025; //SigmaY2 |
| 1374 | lp[3]=0.110*0.110; //SigmaZ2 |
| 1375 | lp[4]=qbest; //Q |
| 1376 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
| 1377 | for (Int_t ilab=0;ilab<3;ilab++){ |
| 1378 | milab[ilab] = pos[ip].GetLabel(ilab); |
| 1379 | milab[ilab+3] = neg[j].GetLabel(ilab); |
| 1380 | } |
| 1381 | // |
| 1382 | CheckLabels2(milab); |
| 1383 | ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ()); |
| 1384 | milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det |
| 1385 | Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fI]}; |
| 1386 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); |
| 1387 | ncl++; |
| 1388 | cl2->SetChargeRatio(ratio); |
| 1389 | cl2->SetType(10); |
| 1390 | pairs[ip][j]=10; |
| 1391 | if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster |
| 1392 | cl2->SetType(11); |
| 1393 | pairs[ip][j]=11; |
| 1394 | } |
| 1395 | cused1[ip]++; |
| 1396 | cused2[j]++; |
| 1397 | } |
| 1398 | |
| 1399 | } |
| 1400 | |
| 1401 | // |
| c391f9d9 |
1402 | for (Int_t i=0; i<np; i++) { |
| c391f9d9 |
1403 | Float_t ybest=1000,zbest=1000,qbest=0; |
| 1404 | Float_t yp=pos[i].GetY()*fYpitchSSD; |
| e43c066c |
1405 | if (pos[i].GetQ()<3) continue; |
| c391f9d9 |
1406 | for (Int_t j=0; j<nn; j++) { |
| e43c066c |
1407 | // for (Int_t di = 0;di<cpositive[i];di++){ |
| 1408 | // Int_t j = negativepair[10*i+di]; |
| 1409 | if (neg[j].GetQ()<3) continue; |
| 1410 | if (cused2[j]||cused1[i]) continue; |
| 1411 | if (pairs[i][j]>0 &&pairs[i][j]<100) continue; |
| 1412 | ratio = (pos[i].GetQ()-neg[j].GetQ())/(pos[i].GetQ()+neg[j].GetQ()); |
| c391f9d9 |
1413 | Float_t yn=neg[j].GetY()*fYpitchSSD; |
| 1414 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1415 | Float_t yt=yn + tann*zt; |
| 1416 | zt-=fHlSSD; yt-=fHwSSD; |
| 1417 | if (TMath::Abs(yt)<fHwSSD+0.01) |
| e43c066c |
1418 | if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) { |
| c391f9d9 |
1419 | ybest=yt; zbest=zt; |
| 1420 | qbest=0.5*(pos[i].GetQ()+neg[j].GetQ()); |
| f363d377 |
1421 | lp[0]=-(-ybest+fYshift[fI]); |
| 1422 | lp[1]= -zbest+fZshift[fI]; |
| e43c066c |
1423 | lp[2]=0.0025*0.0025; //SigmaY2 |
| 1424 | lp[3]=0.110*0.110; //SigmaZ2 |
| 1425 | |
| c391f9d9 |
1426 | lp[4]=qbest; //Q |
| babd135a |
1427 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
| e43c066c |
1428 | for (Int_t ilab=0;ilab<3;ilab++){ |
| 1429 | milab[ilab] = pos[i].GetLabel(ilab); |
| 1430 | milab[ilab+3] = neg[j].GetLabel(ilab); |
| 1431 | } |
| babd135a |
1432 | // |
| babd135a |
1433 | CheckLabels2(milab); |
| 1434 | milab[3]=(((i<<10) + j)<<10) + idet; // pos|neg|det |
| e43c066c |
1435 | Int_t info[3] = {pos[i].GetNd(),neg[j].GetNd(),fNlayer[fI]}; |
| 1436 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); |
| 1437 | ncl++; |
| 1438 | cl2->SetChargeRatio(ratio); |
| 1439 | cl2->SetType(100+cpositive[j]+cnegative[i]); |
| 1440 | //cl2->SetType(0); |
| 1441 | /* |
| 1442 | if (pairs[i][j]<100){ |
| 1443 | printf("problem:- %d\n", pairs[i][j]); |
| 1444 | } |
| 1445 | if (cnegative[i]<2&&cpositive[j]<2){ |
| 1446 | printf("problem:- %d\n", pairs[i][j]); |
| 1447 | } |
| 1448 | */ |
| c391f9d9 |
1449 | } |
| 1450 | } |
| c391f9d9 |
1451 | } |
| a06cb96e |
1452 | |
| 0774985e |
1453 | // for (Int_t i=0; i<1000; i++) delete [] pairs[i]; |
| 1454 | // delete [] pairs; |
| a06cb96e |
1455 | |
| c391f9d9 |
1456 | } |
| 1457 | |
| e43c066c |
1458 | |
| 7f4044f0 |
1459 | void AliITSclustererV2:: |
| e43c066c |
1460 | FindClustersSSD(const TClonesArray *alldigits, TClonesArray *clusters) { |
| 7f4044f0 |
1461 | //------------------------------------------------------------ |
| 1462 | // Actual SSD cluster finder |
| 1463 | //------------------------------------------------------------ |
| e43c066c |
1464 | Int_t smaxall=alldigits->GetEntriesFast(); |
| 1465 | if (smaxall==0) return; |
| 1466 | TObjArray *digits = new TObjArray; |
| 1467 | for (Int_t i=0;i<smaxall; i++){ |
| 1468 | AliITSdigitSSD *d=(AliITSdigitSSD*)alldigits->UncheckedAt(i); |
| 1469 | if (d->GetSignal()<3) continue; |
| 1470 | digits->AddLast(d); |
| 1471 | } |
| 1472 | Int_t smax = digits->GetEntriesFast(); |
| 7f4044f0 |
1473 | if (smax==0) return; |
| e43c066c |
1474 | |
| 7f4044f0 |
1475 | const Int_t MAX=1000; |
| 1476 | Int_t np=0, nn=0; |
| 1477 | Ali1Dcluster pos[MAX], neg[MAX]; |
| 1478 | Float_t y=0., q=0., qmax=0.; |
| 1479 | Int_t lab[4]={-2,-2,-2,-2}; |
| e43c066c |
1480 | |
| 7f4044f0 |
1481 | AliITSdigitSSD *d=(AliITSdigitSSD*)digits->UncheckedAt(0); |
| 1482 | q += d->GetSignal(); |
| 1483 | y += d->GetCoord2()*d->GetSignal(); |
| 1484 | qmax=d->GetSignal(); |
| 1485 | lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2); |
| 1486 | Int_t curr=d->GetCoord2(); |
| 1487 | Int_t flag=d->GetCoord1(); |
| 1488 | Int_t *n=&nn; |
| 1489 | Ali1Dcluster *c=neg; |
| c391f9d9 |
1490 | Int_t nd=1; |
| e43c066c |
1491 | Int_t milab[10]; |
| 1492 | for (Int_t ilab=0;ilab<10;ilab++){ |
| 1493 | milab[ilab]=-2; |
| 1494 | } |
| 1495 | milab[0]=d->GetTrack(0); milab[1]=d->GetTrack(1); milab[2]=d->GetTrack(2); |
| 1496 | |
| 7f4044f0 |
1497 | for (Int_t s=1; s<smax; s++) { |
| e43c066c |
1498 | d=(AliITSdigitSSD*)digits->UncheckedAt(s); |
| 7f4044f0 |
1499 | Int_t strip=d->GetCoord2(); |
| 1500 | if ((strip-curr) > 1 || flag!=d->GetCoord1()) { |
| 1501 | c[*n].SetY(y/q); |
| 1502 | c[*n].SetQ(q); |
| 1503 | c[*n].SetNd(nd); |
| e43c066c |
1504 | CheckLabels2(milab); |
| 1505 | c[*n].SetLabels(milab); |
| 7f4044f0 |
1506 | //Split suspiciously big cluster |
| e43c066c |
1507 | /* |
| 1508 | if (nd>10&&nd<16){ |
| 1509 | c[*n].SetY(y/q-0.3*nd); |
| 1510 | c[*n].SetQ(0.5*q); |
| 1511 | (*n)++; |
| 1512 | if (*n==MAX) { |
| 1513 | Error("FindClustersSSD","Too many 1D clusters !"); |
| 7f4044f0 |
1514 | return; |
| e43c066c |
1515 | } |
| 1516 | c[*n].SetY(y/q-0.0*nd); |
| 1517 | c[*n].SetQ(0.5*q); |
| 1518 | c[*n].SetNd(nd); |
| 1519 | (*n)++; |
| 1520 | if (*n==MAX) { |
| 1521 | Error("FindClustersSSD","Too many 1D clusters !"); |
| 1522 | return; |
| 1523 | } |
| 1524 | // |
| 1525 | c[*n].SetY(y/q+0.3*nd); |
| 1526 | c[*n].SetQ(0.5*q); |
| 1527 | c[*n].SetNd(nd); |
| 1528 | c[*n].SetLabels(milab); |
| 1529 | } |
| 1530 | else{ |
| 1531 | */ |
| 1532 | if (nd>4&&nd<25) { |
| 1533 | c[*n].SetY(y/q-0.25*nd); |
| 1534 | c[*n].SetQ(0.5*q); |
| 1535 | (*n)++; |
| 1536 | if (*n==MAX) { |
| 1537 | Error("FindClustersSSD","Too many 1D clusters !"); |
| 1538 | return; |
| 1539 | } |
| 1540 | c[*n].SetY(y/q+0.25*nd); |
| 1541 | c[*n].SetQ(0.5*q); |
| 1542 | c[*n].SetNd(nd); |
| 1543 | c[*n].SetLabels(milab); |
| 1544 | } |
| 7f4044f0 |
1545 | (*n)++; |
| 1546 | if (*n==MAX) { |
| c630aafd |
1547 | Error("FindClustersSSD","Too many 1D clusters !"); |
| 7f4044f0 |
1548 | return; |
| 1549 | } |
| 1550 | y=q=qmax=0.; |
| 1551 | nd=0; |
| 1552 | lab[0]=lab[1]=lab[2]=-2; |
| e43c066c |
1553 | // |
| 1554 | for (Int_t ilab=0;ilab<10;ilab++){ |
| 1555 | milab[ilab]=-2; |
| 1556 | } |
| 1557 | // |
| 7f4044f0 |
1558 | if (flag!=d->GetCoord1()) { n=&np; c=pos; } |
| 1559 | } |
| 1560 | flag=d->GetCoord1(); |
| 1561 | q += d->GetSignal(); |
| 1562 | y += d->GetCoord2()*d->GetSignal(); |
| 1563 | nd++; |
| 1564 | if (d->GetSignal()>qmax) { |
| 1565 | qmax=d->GetSignal(); |
| 1566 | lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2); |
| 1567 | } |
| e43c066c |
1568 | for (Int_t ilab=0;ilab<10;ilab++) { |
| 1569 | if (d->GetTrack(ilab)>=0) AddLabel(milab, (d->GetTrack(ilab))); |
| 1570 | } |
| 7f4044f0 |
1571 | curr=strip; |
| 1572 | } |
| 1573 | c[*n].SetY(y/q); |
| 1574 | c[*n].SetQ(q); |
| 1575 | c[*n].SetNd(nd); |
| 1576 | c[*n].SetLabels(lab); |
| 1577 | //Split suspiciously big cluster |
| 0e986ef9 |
1578 | if (nd>4 && nd<25) { |
| 1579 | c[*n].SetY(y/q-0.25*nd); |
| 7f4044f0 |
1580 | c[*n].SetQ(0.5*q); |
| 1581 | (*n)++; |
| 1582 | if (*n==MAX) { |
| c630aafd |
1583 | Error("FindClustersSSD","Too many 1D clusters !"); |
| 7f4044f0 |
1584 | return; |
| 1585 | } |
| 0e986ef9 |
1586 | c[*n].SetY(y/q+0.25*nd); |
| 7f4044f0 |
1587 | c[*n].SetQ(0.5*q); |
| 1588 | c[*n].SetNd(nd); |
| 1589 | c[*n].SetLabels(lab); |
| 1590 | } |
| 1591 | (*n)++; |
| 1592 | if (*n==MAX) { |
| c630aafd |
1593 | Error("FindClustersSSD","Too many 1D clusters !"); |
| 7f4044f0 |
1594 | return; |
| 1595 | } |
| 1596 | |
| c391f9d9 |
1597 | FindClustersSSD(neg, nn, pos, np, clusters); |
| 1598 | } |
| 7f4044f0 |
1599 | |
| c391f9d9 |
1600 | void AliITSclustererV2::FindClustersSSD(AliITSRawStream* input, |
| 1601 | TClonesArray** clusters) |
| 1602 | { |
| 1603 | //------------------------------------------------------------ |
| 1604 | // Actual SSD cluster finder for raw data |
| 1605 | //------------------------------------------------------------ |
| 1606 | Int_t nClustersSSD = 0; |
| 1607 | const Int_t MAX = 1000; |
| 1608 | Ali1Dcluster clusters1D[2][MAX]; |
| 1609 | Int_t nClusters[2] = {0, 0}; |
| 0e986ef9 |
1610 | Int_t lab[3]={-2,-2,-2}; |
| c391f9d9 |
1611 | Float_t q = 0.; |
| 1612 | Float_t y = 0.; |
| 1613 | Int_t nDigits = 0; |
| 1614 | Int_t prevStrip = -1; |
| 1615 | Int_t prevFlag = -1; |
| 0e986ef9 |
1616 | Int_t prevModule = -1; |
| c391f9d9 |
1617 | |
| 1618 | // read raw data input stream |
| 1619 | while (kTRUE) { |
| 1620 | Bool_t next = input->Next(); |
| 1621 | |
| 0e986ef9 |
1622 | if(input->GetSignal()<3 && next) continue; |
| c391f9d9 |
1623 | // check if a new cluster starts |
| 1624 | Int_t strip = input->GetCoord2(); |
| 1625 | Int_t flag = input->GetCoord1(); |
| 0e986ef9 |
1626 | if ((!next || (input->GetModuleID() != prevModule)|| |
| c391f9d9 |
1627 | (strip-prevStrip > 1) || (flag != prevFlag)) && |
| 1628 | (nDigits > 0)) { |
| 1629 | if (nClusters[prevFlag] == MAX) { |
| 1630 | Error("FindClustersSSD", "Too many 1D clusters !"); |
| 1631 | return; |
| 1632 | } |
| 1633 | Ali1Dcluster& cluster = clusters1D[prevFlag][nClusters[prevFlag]++]; |
| 1634 | cluster.SetY(y/q); |
| 1635 | cluster.SetQ(q); |
| 1636 | cluster.SetNd(nDigits); |
| 0e986ef9 |
1637 | cluster.SetLabels(lab); |
| c391f9d9 |
1638 | |
| 1639 | //Split suspiciously big cluster |
| 0e986ef9 |
1640 | if (nDigits > 4&&nDigits < 25) { |
| 1641 | cluster.SetY(y/q - 0.25*nDigits); |
| c391f9d9 |
1642 | cluster.SetQ(0.5*q); |
| 1643 | if (nClusters[prevFlag] == MAX) { |
| 1644 | Error("FindClustersSSD", "Too many 1D clusters !"); |
| 1645 | return; |
| 1646 | } |
| 1647 | Ali1Dcluster& cluster2 = clusters1D[prevFlag][nClusters[prevFlag]++]; |
| 0e986ef9 |
1648 | cluster2.SetY(y/q + 0.25*nDigits); |
| c391f9d9 |
1649 | cluster2.SetQ(0.5*q); |
| 1650 | cluster2.SetNd(nDigits); |
| 0e986ef9 |
1651 | cluster2.SetLabels(lab); |
| 7f4044f0 |
1652 | } |
| c391f9d9 |
1653 | y = q = 0.; |
| 1654 | nDigits = 0; |
| 7f4044f0 |
1655 | } |
| c391f9d9 |
1656 | |
| 0e986ef9 |
1657 | if (!next || (input->GetModuleID() != prevModule)) { |
| 1658 | Int_t iModule = prevModule; |
| c391f9d9 |
1659 | |
| 1660 | // when all data from a module was read, search for clusters |
| 1661 | if (prevFlag >= 0) { |
| 1662 | clusters[iModule] = new TClonesArray("AliITSclusterV2"); |
| 1663 | fI = iModule; |
| 1664 | FindClustersSSD(&clusters1D[0][0], nClusters[0], |
| 1665 | &clusters1D[1][0], nClusters[1], clusters[iModule]); |
| 1666 | Int_t nClusters = clusters[iModule]->GetEntriesFast(); |
| 1667 | nClustersSSD += nClusters; |
| 1668 | } |
| 1669 | |
| 1670 | if (!next) break; |
| 1671 | nClusters[0] = nClusters[1] = 0; |
| 1672 | y = q = 0.; |
| 1673 | nDigits = 0; |
| 7f4044f0 |
1674 | } |
| c391f9d9 |
1675 | |
| 1676 | // add digit to current cluster |
| 1677 | q += input->GetSignal(); |
| 1678 | y += strip * input->GetSignal(); |
| 1679 | nDigits++; |
| 1680 | prevStrip = strip; |
| 1681 | prevFlag = flag; |
| 0e986ef9 |
1682 | prevModule = input->GetModuleID(); |
| 1683 | |
| 7f4044f0 |
1684 | } |
| c391f9d9 |
1685 | |
| 1686 | Info("FindClustersSSD", "found clusters in ITS SSD: %d", nClustersSSD); |
| 7f4044f0 |
1687 | } |
| 1688 | |
git://git.uio.no / u / mrichter / AliRoot.git / blame