| 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 | |
| c93255fe |
8 | #include "AliLoader.h" |
| 7f4044f0 |
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 |
| c98634db |
58 | for(Int_t i=0;i<260;i++)fYSPD[i]=0.; |
| 59 | for(Int_t i=0;i<170;i++)fZSPD[i]=0.; |
| 90616ce2 |
60 | for(Int_t i=0;i<2200;i++){ |
| 61 | fYshift[i]=0.; |
| 62 | fZshift[i]=0.; |
| 63 | fNdet[i]=0; |
| 64 | fNlayer[i]=0; |
| 65 | } |
| 66 | |
| 67 | } |
| 79c75366 |
68 | AliITSclustererV2::AliITSclustererV2(const Char_t *geom): |
| 69 | fNModules(AliITSgeomTGeo::GetNModules()), |
| e56160b8 |
70 | fEvent(0), |
| 71 | fI(0), |
| 79c75366 |
72 | fLastSPD1(AliITSgeomTGeo::GetModuleIndex(2,1,1)-1), |
| e56160b8 |
73 | fNySPD(256), |
| 74 | fNzSPD(160), |
| 75 | fYpitchSPD(0.0050), |
| 76 | fZ1pitchSPD(0.0425), |
| 77 | fZ2pitchSPD(0.0625), |
| 78 | fHwSPD(0.64), |
| 79 | fHlSPD(3.48), |
| 80 | fNySDD(256), |
| 81 | fNzSDD(256), |
| 82 | fYpitchSDD(0.01825), |
| 83 | fZpitchSDD(0.02940), |
| 84 | fHwSDD(3.5085), |
| 85 | fHlSDD(3.7632), |
| 86 | fYoffSDD(0.0425), |
| 79c75366 |
87 | fLastSSD1(AliITSgeomTGeo::GetModuleIndex(6,1,1)-1), |
| e56160b8 |
88 | fYpitchSSD(0.0095), |
| 89 | fHwSSD(3.65), |
| 90 | fHlSSD(2.00), |
| 91 | fTanP(0.0275), |
| 92 | fTanN(0.0075) { |
| 7f4044f0 |
93 | //------------------------------------------------------------ |
| 94 | // Standard constructor |
| 95 | //------------------------------------------------------------ |
| 79c75366 |
96 | if (geom) { |
| 97 | AliWarning("\"geom\" is actually a dummy argument !"); |
| c630aafd |
98 | } |
| 7f4044f0 |
99 | Int_t m; |
| 79c75366 |
100 | for (m=0; m<fNModules; m++) { |
| 101 | Int_t lay,lad,det; AliITSgeomTGeo::GetModuleId(m,lay,lad,det); |
| 102 | const TGeoHMatrix *tm=AliITSgeomTGeo::GetTracking2LocalMatrix(m); |
| 103 | fYshift[m] = (tm->Inverse()).GetTranslation()[1]; |
| 104 | fZshift[m] = (tm->Inverse()).GetTranslation()[2]; |
| 105 | fNdet[m] = (lad-1)*AliITSgeomTGeo::GetNDetectors(lay) + (det-1); |
| e43c066c |
106 | fNlayer[m] = lay-1; |
| 7f4044f0 |
107 | } |
| 108 | |
| 109 | //SPD geometry |
| 7f4044f0 |
110 | fYSPD[0]=0.5*fYpitchSPD; |
| 111 | for (m=1; m<fNySPD; m++) fYSPD[m]=fYSPD[m-1]+fYpitchSPD; |
| 112 | fZSPD[0]=fZ1pitchSPD; |
| 113 | for (m=1; m<fNzSPD; m++) { |
| 114 | Double_t dz=fZ1pitchSPD; |
| 115 | if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 || |
| 116 | m==127 || m==128) dz=fZ2pitchSPD; |
| 117 | fZSPD[m]=fZSPD[m-1]+dz; |
| 118 | } |
| 119 | for (m=0; m<fNzSPD; m++) { |
| 120 | Double_t dz=0.5*fZ1pitchSPD; |
| 121 | if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 || |
| 122 | m==127 || m==128) dz=0.5*fZ2pitchSPD; |
| 123 | fZSPD[m]-=dz; |
| 124 | } |
| 125 | |
| 7f4044f0 |
126 | } |
| 127 | |
| e3d91d99 |
128 | |
| c630aafd |
129 | Int_t AliITSclustererV2::Digits2Clusters(TTree *dTree, TTree *cTree) { |
| 7f4044f0 |
130 | //------------------------------------------------------------ |
| 131 | // This function creates ITS clusters |
| 132 | //------------------------------------------------------------ |
| 133 | Int_t ncl=0; |
| 7f4044f0 |
134 | |
| 7f4044f0 |
135 | if (!dTree) { |
| c630aafd |
136 | Error("Digits2Clusters","Can't get the tree with digits !"); |
| 137 | return 1; |
| 7f4044f0 |
138 | } |
| 139 | |
| 140 | TClonesArray *digitsSPD=new TClonesArray("AliITSdigitSPD",3000); |
| 141 | dTree->SetBranchAddress("ITSDigitsSPD",&digitsSPD); |
| 142 | TClonesArray *digitsSDD=new TClonesArray("AliITSdigitSDD",3000); |
| 143 | dTree->SetBranchAddress("ITSDigitsSDD",&digitsSDD); |
| 144 | TClonesArray *digitsSSD=new TClonesArray("AliITSdigitSSD",3000); |
| 145 | dTree->SetBranchAddress("ITSDigitsSSD",&digitsSSD); |
| 146 | |
| 7f4044f0 |
147 | TClonesArray *clusters=new TClonesArray("AliITSclusterV2",1000); |
| c630aafd |
148 | TBranch *branch=cTree->GetBranch("Clusters"); |
| 149 | if (!branch) cTree->Branch("Clusters",&clusters); |
| 150 | else branch->SetAddress(&clusters); |
| 151 | |
| 152 | Int_t mmax=(Int_t)dTree->GetEntries(); |
| cbca22ab |
153 | if (mmax!=fNModules) { |
| 154 | Error("Digits2Clusters","Number of entries != number of modules !"); |
| 155 | return 1; |
| 156 | } |
| 7f4044f0 |
157 | |
| 158 | for (fI=0; fI<mmax; fI++) { |
| 159 | dTree->GetEvent(fI); |
| 160 | |
| 161 | if (digitsSPD->GetEntriesFast()!=0) |
| babd135a |
162 | FindClustersSPD(digitsSPD,clusters); |
| 163 | else |
| 164 | if(digitsSDD->GetEntriesFast()!=0) |
| 165 | FindClustersSDD(digitsSDD,clusters); |
| 166 | else if(digitsSSD->GetEntriesFast()!=0) |
| 167 | FindClustersSSD(digitsSSD,clusters); |
| 168 | |
| 7f4044f0 |
169 | ncl+=clusters->GetEntriesFast(); |
| 170 | |
| c630aafd |
171 | cTree->Fill(); |
| 7f4044f0 |
172 | |
| 173 | digitsSPD->Clear(); |
| 174 | digitsSDD->Clear(); |
| 175 | digitsSSD->Clear(); |
| 176 | clusters->Clear(); |
| 177 | } |
| c630aafd |
178 | |
| 179 | //cTree->Write(); |
| 7f4044f0 |
180 | |
| 181 | delete clusters; |
| 182 | |
| 183 | delete digitsSPD; |
| 184 | delete digitsSDD; |
| 185 | delete digitsSSD; |
| 186 | |
| 7941072e |
187 | //delete dTree; |
| 188 | |
| c630aafd |
189 | Info("Digits2Clusters","Number of found clusters : %d",ncl); |
| 7f4044f0 |
190 | |
| c630aafd |
191 | return 0; |
| 7f4044f0 |
192 | } |
| 193 | |
| 7941072e |
194 | void AliITSclustererV2::Digits2Clusters(AliRawReader* rawReader) { |
| c391f9d9 |
195 | //------------------------------------------------------------ |
| 196 | // This function creates ITS clusters from raw data |
| 197 | //------------------------------------------------------------ |
| 33c3c91a |
198 | AliRunLoader* runLoader = AliRunLoader::Instance(); |
| 7941072e |
199 | if (!runLoader) { |
| 200 | Error("Digits2Clusters", "no run loader found"); |
| 201 | return; |
| 202 | } |
| babd135a |
203 | runLoader->LoadKinematics(); |
| 7941072e |
204 | AliLoader* itsLoader = runLoader->GetLoader("ITSLoader"); |
| 205 | if (!itsLoader) { |
| 206 | Error("Digits2Clusters", "no loader for ITS found"); |
| c391f9d9 |
207 | return; |
| 208 | } |
| 7941072e |
209 | if (!itsLoader->TreeR()) itsLoader->MakeTree("R"); |
| 210 | TTree* cTree = itsLoader->TreeR(); |
| c391f9d9 |
211 | |
| c391f9d9 |
212 | TClonesArray *array=new TClonesArray("AliITSclusterV2",1000); |
| 7941072e |
213 | cTree->Branch("Clusters",&array); |
| c391f9d9 |
214 | delete array; |
| 215 | |
| f1e0c1c5 |
216 | TClonesArray** clusters = new TClonesArray*[fNModules]; |
| 04fa961a |
217 | for (Int_t iModule = 0; iModule < fNModules; iModule++) { |
| 218 | clusters[iModule] = NULL; |
| 219 | } |
| c391f9d9 |
220 | // one TClonesArray per module |
| 221 | |
| 7941072e |
222 | rawReader->Reset(); |
| 223 | AliITSRawStreamSPD inputSPD(rawReader); |
| c391f9d9 |
224 | FindClustersSPD(&inputSPD, clusters); |
| 7941072e |
225 | |
| 226 | rawReader->Reset(); |
| 227 | AliITSRawStreamSDD inputSDD(rawReader); |
| c391f9d9 |
228 | FindClustersSDD(&inputSDD, clusters); |
| 7941072e |
229 | |
| 230 | rawReader->Reset(); |
| 231 | AliITSRawStreamSSD inputSSD(rawReader); |
| c391f9d9 |
232 | FindClustersSSD(&inputSSD, clusters); |
| 233 | |
| 234 | // write all clusters to the tree |
| 235 | Int_t nClusters = 0; |
| c157c94e |
236 | TClonesArray *emptyArray=new TClonesArray("AliITSclusterV2"); |
| c391f9d9 |
237 | for (Int_t iModule = 0; iModule < fNModules; iModule++) { |
| 04fa961a |
238 | array = clusters[iModule]; |
| c391f9d9 |
239 | if (!array) { |
| 240 | Error("Digits2Clusters", "data for module %d missing!", iModule); |
| c157c94e |
241 | array = emptyArray; |
| c391f9d9 |
242 | } |
| 7941072e |
243 | cTree->SetBranchAddress("Clusters", &array); |
| 244 | cTree->Fill(); |
| c391f9d9 |
245 | nClusters += array->GetEntriesFast(); |
| c391f9d9 |
246 | } |
| c157c94e |
247 | delete emptyArray; |
| 248 | |
| 7941072e |
249 | itsLoader->WriteRecPoints("OVERWRITE"); |
| c391f9d9 |
250 | |
| 04fa961a |
251 | delete[] clusters; |
| 252 | |
| c391f9d9 |
253 | Info("Digits2Clusters", "total number of found clusters in ITS: %d\n", |
| 254 | nClusters); |
| 255 | } |
| 256 | |
| 7f4044f0 |
257 | //**** Fast clusters ******************************* |
| 258 | #include "TParticle.h" |
| 259 | |
| 7d62fb64 |
260 | //#include "AliITS.h" |
| 7f4044f0 |
261 | #include "AliITSmodule.h" |
| 262 | #include "AliITSRecPoint.h" |
| 263 | #include "AliITSsimulationFastPoints.h" |
| 264 | #include "AliITSRecPoint.h" |
| 265 | |
| 7d62fb64 |
266 | |
| 7f4044f0 |
267 | static void CheckLabels(Int_t lab[3]) { |
| 268 | //------------------------------------------------------------ |
| 269 | // Tries to find mother's labels |
| 270 | //------------------------------------------------------------ |
| 33c3c91a |
271 | AliRunLoader *rl = AliRunLoader::Instance(); |
| 60b9526b |
272 | TTree *trK=(TTree*)rl->TreeK(); |
| 273 | |
| 274 | if(trK){ |
| 7f4044f0 |
275 | Int_t label=lab[0]; |
| 276 | if (label>=0) { |
| 60b9526b |
277 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); |
| 278 | label=-3; |
| 279 | while (part->P() < 0.005) { |
| 280 | Int_t m=part->GetFirstMother(); |
| 281 | if (m<0) { |
| 282 | Info("CheckLabels","Primary momentum: %f",part->P()); |
| 283 | break; |
| 284 | } |
| 285 | if (part->GetStatusCode()>0) { |
| 286 | Info("CheckLabels","Primary momentum: %f",part->P()); |
| 287 | break; |
| 288 | } |
| 289 | label=m; |
| 290 | part=(TParticle*)gAlice->GetMCApp()->Particle(label); |
| 291 | } |
| 5af4a2d0 |
292 | if(lab[1]<0){ |
| 293 | lab[1]=label; |
| 294 | } |
| 295 | else if (lab[2]<0) { |
| 296 | lab[2]=label; |
| 297 | } |
| 298 | else { |
| 299 | // cerr<<"CheckLabels : No empty labels !\n"; |
| 300 | } |
| 7f4044f0 |
301 | } |
| 60b9526b |
302 | } |
| 7f4044f0 |
303 | } |
| 7d62fb64 |
304 | |
| 305 | /* |
| babd135a |
306 | static void CheckLabels(Int_t lab[3]) { |
| 307 | //------------------------------------------------------------ |
| 308 | // Tries to find mother's labels |
| 309 | //------------------------------------------------------------ |
| 310 | |
| 0e986ef9 |
311 | if(lab[0]<0 && lab[1]<0 && lab[2]<0) return; // In case of no labels just exit |
| 312 | |
| babd135a |
313 | Int_t ntracks = gAlice->GetMCApp()->GetNtrack(); |
| 314 | for (Int_t i=0;i<3;i++){ |
| 315 | Int_t label = lab[i]; |
| 316 | if (label>=0 && label<ntracks) { |
| 317 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); |
| 318 | if (part->P() < 0.005) { |
| 319 | Int_t m=part->GetFirstMother(); |
| 320 | if (m<0) { |
| 321 | continue; |
| 322 | } |
| 323 | if (part->GetStatusCode()>0) { |
| 324 | continue; |
| 325 | } |
| 326 | lab[i]=m; |
| 327 | } |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | } |
| 7d62fb64 |
332 | */ |
| babd135a |
333 | static void CheckLabels2(Int_t lab[10]) { |
| 334 | //------------------------------------------------------------ |
| 335 | // Tries to find mother's labels |
| 336 | //------------------------------------------------------------ |
| 33c3c91a |
337 | AliRunLoader *rl = AliRunLoader::Instance(); |
| 60b9526b |
338 | TTree *trK=(TTree*)rl->TreeK(); |
| 0e986ef9 |
339 | |
| 60b9526b |
340 | if(trK){ |
| 341 | Int_t nlabels =0; |
| 342 | for (Int_t i=0;i<10;i++) if (lab[i]>=0) nlabels++; |
| 343 | if(nlabels == 0) return; // In case of no labels just exit |
| e43c066c |
344 | |
| 60b9526b |
345 | Int_t ntracks = gAlice->GetMCApp()->GetNtrack(); |
| 346 | |
| 347 | for (Int_t i=0;i<10;i++){ |
| 348 | Int_t label = lab[i]; |
| 349 | if (label>=0 && label<ntracks) { |
| 350 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); |
| 351 | if (part->P() < 0.02) { |
| e43c066c |
352 | Int_t m=part->GetFirstMother(); |
| 353 | if (m<0) { |
| 354 | continue; |
| 355 | } |
| 356 | if (part->GetStatusCode()>0) { |
| 357 | continue; |
| 358 | } |
| 359 | lab[i]=m; |
| 60b9526b |
360 | } |
| 361 | else |
| 362 | if (part->P() < 0.12 && nlabels>3) { |
| 363 | lab[i]=-2; |
| 364 | nlabels--; |
| 365 | } |
| e43c066c |
366 | } |
| 60b9526b |
367 | else{ |
| 368 | if ( (label>ntracks||label <0) && nlabels>3) { |
| e43c066c |
369 | lab[i]=-2; |
| 370 | nlabels--; |
| 371 | } |
| 60b9526b |
372 | } |
| 373 | } |
| 374 | if (nlabels>3){ |
| 375 | for (Int_t i=0;i<10;i++){ |
| 376 | if (nlabels>3){ |
| 377 | Int_t label = lab[i]; |
| 378 | if (label>=0 && label<ntracks) { |
| 379 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); |
| 380 | if (part->P() < 0.1) { |
| 381 | lab[i]=-2; |
| 382 | nlabels--; |
| 383 | } |
| e43c066c |
384 | } |
| babd135a |
385 | } |
| babd135a |
386 | } |
| e43c066c |
387 | } |
| e43c066c |
388 | |
| 60b9526b |
389 | //compress labels -- if multi-times the same |
| 390 | Int_t lab2[10]; |
| 391 | for (Int_t i=0;i<10;i++) lab2[i]=-2; |
| 392 | for (Int_t i=0;i<10 ;i++){ |
| 393 | if (lab[i]<0) continue; |
| 394 | for (Int_t j=0;j<10 &&lab2[j]!=lab[i];j++){ |
| 395 | if (lab2[j]<0) { |
| 396 | lab2[j]= lab[i]; |
| 397 | break; |
| 398 | } |
| babd135a |
399 | } |
| 400 | } |
| 60b9526b |
401 | for (Int_t j=0;j<10;j++) lab[j]=lab2[j]; |
| babd135a |
402 | } |
| babd135a |
403 | } |
| 404 | |
| 405 | static void AddLabel(Int_t lab[10], Int_t label) { |
| 60b9526b |
406 | // add label of the particle in the kine tree which originates this cluster |
| 407 | // (used for reconstruction of MC data only, for comparison purposes) |
| 33c3c91a |
408 | AliRunLoader *rl = AliRunLoader::Instance(); |
| 60b9526b |
409 | TTree *trK=(TTree*)rl->TreeK(); |
| 0e986ef9 |
410 | |
| 60b9526b |
411 | if(trK){ |
| 412 | if(label<0) return; // In case of no label just exit |
| 0e986ef9 |
413 | |
| 60b9526b |
414 | Int_t ntracks = gAlice->GetMCApp()->GetNtrack(); |
| 415 | if (label>ntracks) return; |
| 416 | for (Int_t i=0;i<10;i++){ |
| 417 | // if (label<0) break; |
| 418 | if (lab[i]==label) break; |
| 419 | if (lab[i]<0) { |
| 420 | lab[i]= label; |
| 421 | break; |
| 422 | } |
| babd135a |
423 | } |
| 424 | } |
| 425 | } |
| 7f4044f0 |
426 | |
| 1cca57bf |
427 | void AliITSclustererV2::RecPoints2Clusters |
| 428 | (const TClonesArray *points, Int_t idx, TClonesArray *clusters) { |
| 7f4044f0 |
429 | //------------------------------------------------------------ |
| 1cca57bf |
430 | // Conversion AliITSRecPoint -> AliITSclusterV2 for the ITS |
| 431 | // subdetector indexed by idx |
| 7f4044f0 |
432 | //------------------------------------------------------------ |
| 433 | TClonesArray &cl=*clusters; |
| 434 | Int_t ncl=points->GetEntriesFast(); |
| 435 | for (Int_t i=0; i<ncl; i++) { |
| 436 | AliITSRecPoint *p = (AliITSRecPoint *)points->UncheckedAt(i); |
| 437 | Float_t lp[5]; |
| 00a7cc50 |
438 | lp[0]=-(-p->GetDetLocalX()+fYshift[idx]); if (idx<=fLastSPD1) lp[0]*=-1; //SPD1 |
| f363d377 |
439 | lp[1]= -p->GetZ()+fZshift[idx]; |
| 00a7cc50 |
440 | lp[2]=p->GetSigmaDetLocX2(); |
| 1cca57bf |
441 | lp[3]=p->GetSigmaZ2(); |
| b6087704 |
442 | lp[4]=p->GetQ()*36./23333.; //electrons -> ADC |
| 7f4044f0 |
443 | Int_t lab[4]; |
| 444 | lab[0]=p->GetLabel(0); lab[1]=p->GetLabel(1); lab[2]=p->GetLabel(2); |
| 1cca57bf |
445 | lab[3]=fNdet[idx]; |
| 7f4044f0 |
446 | CheckLabels(lab); |
| babd135a |
447 | Int_t dummy[3]={0,0,0}; |
| 448 | new (cl[i]) AliITSclusterV2(lab,lp, dummy); |
| 7f4044f0 |
449 | } |
| 450 | } |
| 451 | |
| 7f4044f0 |
452 | //*********************************** |
| 453 | |
| 7f4044f0 |
454 | |
| 455 | void AliITSclustererV2:: |
| 456 | FindCluster(Int_t k,Int_t maxz,AliBin *bins,Int_t &n,Int_t *idx) { |
| 457 | //------------------------------------------------------------ |
| 458 | // returns an array of indices of digits belonging to the cluster |
| 459 | // (needed when the segmentation is not regular) |
| 460 | //------------------------------------------------------------ |
| 461 | if (n<200) idx[n++]=bins[k].GetIndex(); |
| 462 | bins[k].Use(); |
| 463 | |
| 464 | if (bins[k-maxz].IsNotUsed()) FindCluster(k-maxz,maxz,bins,n,idx); |
| 465 | if (bins[k-1 ].IsNotUsed()) FindCluster(k-1 ,maxz,bins,n,idx); |
| 466 | if (bins[k+maxz].IsNotUsed()) FindCluster(k+maxz,maxz,bins,n,idx); |
| 467 | if (bins[k+1 ].IsNotUsed()) FindCluster(k+1 ,maxz,bins,n,idx); |
| 468 | /* |
| 469 | if (bins[k-maxz-1].IsNotUsed()) FindCluster(k-maxz-1,maxz,bins,n,idx); |
| 470 | if (bins[k-maxz+1].IsNotUsed()) FindCluster(k-maxz+1,maxz,bins,n,idx); |
| 471 | if (bins[k+maxz-1].IsNotUsed()) FindCluster(k+maxz-1,maxz,bins,n,idx); |
| 472 | if (bins[k+maxz+1].IsNotUsed()) FindCluster(k+maxz+1,maxz,bins,n,idx); |
| 473 | */ |
| 474 | } |
| 475 | |
| 476 | void AliITSclustererV2:: |
| 477 | FindClustersSPD(const TClonesArray *digits, TClonesArray *clusters) { |
| 478 | //------------------------------------------------------------ |
| 479 | // Actual SPD cluster finder |
| 480 | //------------------------------------------------------------ |
| c391f9d9 |
481 | Int_t kNzBins = fNzSPD + 2; |
| 482 | const Int_t kMAXBIN=kNzBins*(fNySPD+2); |
| 7f4044f0 |
483 | |
| 484 | Int_t ndigits=digits->GetEntriesFast(); |
| 485 | AliBin *bins=new AliBin[kMAXBIN]; |
| 486 | |
| 487 | Int_t k; |
| 488 | AliITSdigitSPD *d=0; |
| 489 | for (k=0; k<ndigits; k++) { |
| 490 | d=(AliITSdigitSPD*)digits->UncheckedAt(k); |
| 491 | Int_t i=d->GetCoord2()+1; //y |
| 492 | Int_t j=d->GetCoord1()+1; |
| c391f9d9 |
493 | bins[i*kNzBins+j].SetIndex(k); |
| 494 | bins[i*kNzBins+j].SetMask(1); |
| 7f4044f0 |
495 | } |
| 496 | |
| 497 | Int_t n=0; TClonesArray &cl=*clusters; |
| 498 | for (k=0; k<kMAXBIN; k++) { |
| 499 | if (!bins[k].IsNotUsed()) continue; |
| 500 | Int_t ni=0, idx[200]; |
| c391f9d9 |
501 | FindCluster(k,kNzBins,bins,ni,idx); |
| c630aafd |
502 | if (ni==200) { |
| 503 | Info("FindClustersSPD","Too big cluster !"); |
| 504 | continue; |
| 505 | } |
| babd135a |
506 | Int_t milab[10]; |
| 507 | for (Int_t ilab=0;ilab<10;ilab++){ |
| 508 | milab[ilab]=-2; |
| 509 | } |
| 510 | |
| 7f4044f0 |
511 | d=(AliITSdigitSPD*)digits->UncheckedAt(idx[0]); |
| 512 | Int_t ymin=d->GetCoord2(),ymax=ymin; |
| 513 | Int_t zmin=d->GetCoord1(),zmax=zmin; |
| e43c066c |
514 | |
| 7f4044f0 |
515 | for (Int_t l=0; l<ni; l++) { |
| 516 | d=(AliITSdigitSPD*)digits->UncheckedAt(idx[l]); |
| 517 | |
| 518 | if (ymin > d->GetCoord2()) ymin=d->GetCoord2(); |
| 519 | if (ymax < d->GetCoord2()) ymax=d->GetCoord2(); |
| 520 | if (zmin > d->GetCoord1()) zmin=d->GetCoord1(); |
| 521 | if (zmax < d->GetCoord1()) zmax=d->GetCoord1(); |
| e43c066c |
522 | // MI addition - find all labels in cluster |
| 523 | for (Int_t dlab=0;dlab<10;dlab++){ |
| babd135a |
524 | Int_t digitlab = (d->GetTracks())[dlab]; |
| 525 | if (digitlab<0) continue; |
| e43c066c |
526 | AddLabel(milab,digitlab); |
| babd135a |
527 | } |
| e43c066c |
528 | if (milab[9]>0) CheckLabels2(milab); |
| 529 | } |
| babd135a |
530 | CheckLabels2(milab); |
| e43c066c |
531 | // |
| 532 | //Int_t idy = (fNlayer[fI]==0)? 2:3; |
| 533 | //for (Int_t iz=zmin; iz<=zmax;iz+=2) |
| 534 | //Int_t idy = (ymax-ymin)/4.; // max 2 clusters |
| 535 | Int_t idy = 0; // max 2 clusters |
| 536 | if (fNlayer[fI]==0 &&idy<3) idy=3; |
| 537 | if (fNlayer[fI]==1 &&idy<4) idy=4; |
| 538 | Int_t idz =3; |
| 539 | for (Int_t iz=zmin; iz<=zmax;iz+=idz) |
| 540 | for (Int_t iy=ymin; iy<=ymax;iy+=idy){ |
| 541 | // |
| e8f4b841 |
542 | Int_t nodigits =0; |
| 0e986ef9 |
543 | Float_t y=0.,z=0.,q=0.; |
| e43c066c |
544 | for (Int_t l=0; l<ni; l++) { |
| 545 | d=(AliITSdigitSPD*)digits->UncheckedAt(idx[l]); |
| 546 | if (zmax-zmin>=idz || ymax-ymin>=idy){ |
| 547 | if (TMath::Abs( d->GetCoord2()-iy)>0.75*idy) continue; |
| 548 | if (TMath::Abs( d->GetCoord1()-iz)>0.75*idz) continue; |
| 549 | } |
| e8f4b841 |
550 | nodigits++; |
| 0e986ef9 |
551 | Float_t qq=d->GetSignal(); |
| e43c066c |
552 | y+=qq*fYSPD[d->GetCoord2()]; z+=qq*fZSPD[d->GetCoord1()]; q+=qq; |
| 553 | |
| 554 | } |
| e8f4b841 |
555 | if (nodigits==0) continue; |
| e43c066c |
556 | y/=q; z/=q; |
| 557 | y-=fHwSPD; z-=fHlSPD; |
| 558 | |
| 559 | Float_t lp[5]; |
| 560 | lp[0]=-(-y+fYshift[fI]); if (fI<=fLastSPD1) lp[0]=-lp[0]; |
| 561 | lp[1]= -z+fZshift[fI]; |
| 562 | // Float_t factor=TMath::Max(double(ni-3.),1.5); |
| 563 | Float_t factory=TMath::Max(ymax-ymin,1); |
| 564 | Float_t factorz=TMath::Max(zmax-zmin,1); |
| 565 | factory*= factory; |
| 566 | factorz*= factorz; |
| 567 | //lp[2]= (fYpitchSPD*fYpitchSPD/12.)*factory; |
| 568 | //lp[3]= (fZ1pitchSPD*fZ1pitchSPD/12.)*factorz; |
| 569 | lp[2]= (fYpitchSPD*fYpitchSPD/12.); |
| 570 | lp[3]= (fZ1pitchSPD*fZ1pitchSPD/12.); |
| 571 | //lp[4]= q; |
| 572 | lp[4]= (zmax-zmin+1)*100 + (ymax-ymin+1); |
| 573 | |
| 574 | milab[3]=fNdet[fI]; |
| e43c066c |
575 | Int_t info[3] = {ymax-ymin+1,zmax-zmin+1,fNlayer[fI]}; |
| 576 | new (cl[n]) AliITSclusterV2(milab,lp,info); n++; |
| 577 | } |
| 7f4044f0 |
578 | } |
| e43c066c |
579 | |
| 38bcdcc1 |
580 | delete [] bins; |
| 7f4044f0 |
581 | } |
| 582 | |
| c391f9d9 |
583 | void AliITSclustererV2::FindClustersSPD(AliITSRawStream* input, |
| 584 | TClonesArray** clusters) |
| 585 | { |
| 586 | //------------------------------------------------------------ |
| 587 | // Actual SPD cluster finder for raw data |
| 588 | //------------------------------------------------------------ |
| 589 | |
| 590 | Int_t nClustersSPD = 0; |
| 591 | Int_t kNzBins = fNzSPD + 2; |
| 592 | Int_t kNyBins = fNySPD + 2; |
| 593 | Int_t kMaxBin = kNzBins * kNyBins; |
| 5102d526 |
594 | AliBin *binsSPD = new AliBin[kMaxBin]; |
| 595 | AliBin *binsSPDInit = new AliBin[kMaxBin]; |
| 596 | AliBin *bins = NULL; |
| c391f9d9 |
597 | |
| 598 | // read raw data input stream |
| 599 | while (kTRUE) { |
| 600 | Bool_t next = input->Next(); |
| 601 | if (!next || input->IsNewModule()) { |
| 602 | Int_t iModule = input->GetPrevModuleID(); |
| 603 | |
| 604 | // when all data from a module was read, search for clusters |
| 605 | if (bins) { |
| 606 | clusters[iModule] = new TClonesArray("AliITSclusterV2"); |
| 607 | Int_t nClusters = 0; |
| 608 | |
| 609 | for (Int_t iBin = 0; iBin < kMaxBin; iBin++) { |
| 610 | if (bins[iBin].IsUsed()) continue; |
| 611 | Int_t nBins = 0; |
| 612 | Int_t idxBins[200]; |
| 613 | FindCluster(iBin, kNzBins, bins, nBins, idxBins); |
| 614 | if (nBins == 200) { |
| 615 | Error("FindClustersSPD", "SPD: Too big cluster !\n"); |
| 616 | continue; |
| 617 | } |
| 618 | |
| 619 | Int_t label[4]; |
| 620 | label[0] = -2; |
| 621 | label[1] = -2; |
| 622 | label[2] = -2; |
| 623 | // label[3] = iModule; |
| 624 | label[3] = fNdet[iModule]; |
| 625 | |
| 626 | Int_t ymin = (idxBins[0] / kNzBins) - 1; |
| 627 | Int_t ymax = ymin; |
| 628 | Int_t zmin = (idxBins[0] % kNzBins) - 1; |
| 629 | Int_t zmax = zmin; |
| c391f9d9 |
630 | for (Int_t idx = 0; idx < nBins; idx++) { |
| 631 | Int_t iy = (idxBins[idx] / kNzBins) - 1; |
| 632 | Int_t iz = (idxBins[idx] % kNzBins) - 1; |
| 633 | if (ymin > iy) ymin = iy; |
| 634 | if (ymax < iy) ymax = iy; |
| 635 | if (zmin > iz) zmin = iz; |
| 636 | if (zmax < iz) zmax = iz; |
| c391f9d9 |
637 | } |
| 0e986ef9 |
638 | |
| 639 | Int_t idy = 0; // max 2 clusters |
| 640 | if ((iModule <= fLastSPD1) &&idy<3) idy=3; |
| 641 | if ((iModule > fLastSPD1) &&idy<4) idy=4; |
| 642 | Int_t idz =3; |
| 643 | for (Int_t iiz=zmin; iiz<=zmax;iiz+=idz) |
| 644 | for (Int_t iiy=ymin; iiy<=ymax;iiy+=idy){ |
| 645 | // |
| 646 | Int_t ndigits =0; |
| 647 | Float_t y=0.,z=0.,q=0.; |
| 648 | for (Int_t idx = 0; idx < nBins; idx++) { |
| 649 | Int_t iy = (idxBins[idx] / kNzBins) - 1; |
| 650 | Int_t iz = (idxBins[idx] % kNzBins) - 1; |
| 651 | if (zmax-zmin>=idz || ymax-ymin>=idy){ |
| 652 | if (TMath::Abs(iy-iiy)>0.75*idy) continue; |
| 653 | if (TMath::Abs(iz-iiz)>0.75*idz) continue; |
| 654 | } |
| 655 | ndigits++; |
| 656 | Float_t qBin = bins[idxBins[idx]].GetQ(); |
| 657 | y += qBin * fYSPD[iy]; |
| 658 | z += qBin * fZSPD[iz]; |
| 659 | q += qBin; |
| 660 | } |
| 661 | if (ndigits==0) continue; |
| 662 | y /= q; |
| 663 | z /= q; |
| 664 | y -= fHwSPD; |
| 665 | z -= fHlSPD; |
| 666 | |
| 667 | Float_t hit[5]; // y, z, sigma(y)^2, sigma(z)^2, charge |
| 668 | hit[0] = -(-y+fYshift[iModule]); |
| 669 | if (iModule <= fLastSPD1) hit[0] = -hit[0]; |
| 670 | hit[1] = -z+fZshift[iModule]; |
| 671 | hit[2] = fYpitchSPD*fYpitchSPD/12.; |
| 672 | hit[3] = fZ1pitchSPD*fZ1pitchSPD/12.; |
| 673 | // hit[4] = q; |
| 674 | hit[4] = (zmax-zmin+1)*100 + (ymax-ymin+1); |
| 675 | // CheckLabels(label); |
| 676 | Int_t info[3]={ymax-ymin+1,zmax-zmin+1,fNlayer[iModule]}; |
| 677 | new (clusters[iModule]->AddrAt(nClusters)) |
| 678 | AliITSclusterV2(label, hit,info); |
| 679 | nClusters++; |
| 680 | } |
| c391f9d9 |
681 | } |
| 682 | |
| 683 | nClustersSPD += nClusters; |
| 5102d526 |
684 | bins = NULL; |
| c391f9d9 |
685 | } |
| 686 | |
| 687 | if (!next) break; |
| 5102d526 |
688 | bins = binsSPD; |
| 689 | memcpy(binsSPD,binsSPDInit,sizeof(AliBin)*kMaxBin); |
| c391f9d9 |
690 | } |
| 691 | |
| 692 | // fill the current digit into the bins array |
| 90616ce2 |
693 | if(bins){ |
| 694 | Int_t index = (input->GetCoord2()+1) * kNzBins + (input->GetCoord1()+1); |
| 695 | bins[index].SetIndex(index); |
| 696 | bins[index].SetMask(1); |
| 697 | bins[index].SetQ(1); |
| 698 | } |
| c391f9d9 |
699 | } |
| 700 | |
| 5102d526 |
701 | delete [] binsSPDInit; |
| 702 | delete [] binsSPD; |
| 703 | |
| c391f9d9 |
704 | Info("FindClustersSPD", "found clusters in ITS SPD: %d", nClustersSPD); |
| 705 | } |
| 706 | |
| 707 | |
| 7f4044f0 |
708 | Bool_t AliITSclustererV2::IsMaximum(Int_t k,Int_t max,const AliBin *bins) { |
| 709 | //------------------------------------------------------------ |
| 710 | //is this a local maximum ? |
| 711 | //------------------------------------------------------------ |
| 712 | UShort_t q=bins[k].GetQ(); |
| 713 | if (q==1023) return kFALSE; |
| 714 | if (bins[k-max].GetQ() > q) return kFALSE; |
| 715 | if (bins[k-1 ].GetQ() > q) return kFALSE; |
| 716 | if (bins[k+max].GetQ() > q) return kFALSE; |
| 717 | if (bins[k+1 ].GetQ() > q) return kFALSE; |
| 718 | if (bins[k-max-1].GetQ() > q) return kFALSE; |
| 719 | if (bins[k+max-1].GetQ() > q) return kFALSE; |
| 720 | if (bins[k+max+1].GetQ() > q) return kFALSE; |
| 721 | if (bins[k-max+1].GetQ() > q) return kFALSE; |
| 722 | return kTRUE; |
| 723 | } |
| 724 | |
| 725 | void AliITSclustererV2:: |
| 726 | FindPeaks(Int_t k,Int_t max,AliBin *b,Int_t *idx,UInt_t *msk,Int_t& n) { |
| 727 | //------------------------------------------------------------ |
| 728 | //find local maxima |
| 729 | //------------------------------------------------------------ |
| 730 | if (n<31) |
| 731 | if (IsMaximum(k,max,b)) { |
| 732 | idx[n]=k; msk[n]=(2<<n); |
| 733 | n++; |
| 734 | } |
| 735 | b[k].SetMask(0); |
| 736 | if (b[k-max].GetMask()&1) FindPeaks(k-max,max,b,idx,msk,n); |
| 737 | if (b[k-1 ].GetMask()&1) FindPeaks(k-1 ,max,b,idx,msk,n); |
| 738 | if (b[k+max].GetMask()&1) FindPeaks(k+max,max,b,idx,msk,n); |
| 739 | if (b[k+1 ].GetMask()&1) FindPeaks(k+1 ,max,b,idx,msk,n); |
| 740 | } |
| 741 | |
| 742 | void AliITSclustererV2:: |
| 743 | MarkPeak(Int_t k, Int_t max, AliBin *bins, UInt_t m) { |
| 744 | //------------------------------------------------------------ |
| 745 | //mark this peak |
| 746 | //------------------------------------------------------------ |
| 747 | UShort_t q=bins[k].GetQ(); |
| 748 | |
| 749 | bins[k].SetMask(bins[k].GetMask()|m); |
| 750 | |
| 751 | if (bins[k-max].GetQ() <= q) |
| 752 | if ((bins[k-max].GetMask()&m) == 0) MarkPeak(k-max,max,bins,m); |
| 753 | if (bins[k-1 ].GetQ() <= q) |
| 754 | if ((bins[k-1 ].GetMask()&m) == 0) MarkPeak(k-1 ,max,bins,m); |
| 755 | if (bins[k+max].GetQ() <= q) |
| 756 | if ((bins[k+max].GetMask()&m) == 0) MarkPeak(k+max,max,bins,m); |
| 757 | if (bins[k+1 ].GetQ() <= q) |
| 758 | if ((bins[k+1 ].GetMask()&m) == 0) MarkPeak(k+1 ,max,bins,m); |
| 759 | } |
| 760 | |
| 761 | void AliITSclustererV2:: |
| 762 | MakeCluster(Int_t k,Int_t max,AliBin *bins,UInt_t m,AliITSclusterV2 &c) { |
| 763 | //------------------------------------------------------------ |
| 764 | //make cluster using digits of this peak |
| 765 | //------------------------------------------------------------ |
| 766 | Float_t q=(Float_t)bins[k].GetQ(); |
| 767 | Int_t i=k/max, j=k-i*max; |
| 768 | |
| 769 | c.SetQ(c.GetQ()+q); |
| 770 | c.SetY(c.GetY()+i*q); |
| 771 | c.SetZ(c.GetZ()+j*q); |
| 772 | c.SetSigmaY2(c.GetSigmaY2()+i*i*q); |
| 773 | c.SetSigmaZ2(c.GetSigmaZ2()+j*j*q); |
| 774 | |
| 775 | bins[k].SetMask(0xFFFFFFFE); |
| 776 | |
| 777 | if (bins[k-max].GetMask() == m) MakeCluster(k-max,max,bins,m,c); |
| 778 | if (bins[k-1 ].GetMask() == m) MakeCluster(k-1 ,max,bins,m,c); |
| 779 | if (bins[k+max].GetMask() == m) MakeCluster(k+max,max,bins,m,c); |
| 780 | if (bins[k+1 ].GetMask() == m) MakeCluster(k+1 ,max,bins,m,c); |
| 781 | } |
| 782 | |
| 783 | void AliITSclustererV2:: |
| c391f9d9 |
784 | FindClustersSDD(AliBin* bins[2], Int_t nMaxBin, Int_t nzBins, |
| 785 | const TClonesArray *digits, TClonesArray *clusters) { |
| 7f4044f0 |
786 | //------------------------------------------------------------ |
| 787 | // Actual SDD cluster finder |
| 788 | //------------------------------------------------------------ |
| 7f4044f0 |
789 | Int_t ncl=0; TClonesArray &cl=*clusters; |
| 790 | for (Int_t s=0; s<2; s++) |
| c391f9d9 |
791 | for (Int_t i=0; i<nMaxBin; i++) { |
| 7f4044f0 |
792 | if (bins[s][i].IsUsed()) continue; |
| 793 | Int_t idx[32]; UInt_t msk[32]; Int_t npeaks=0; |
| c391f9d9 |
794 | FindPeaks(i, nzBins, bins[s], idx, msk, npeaks); |
| 7f4044f0 |
795 | |
| 796 | if (npeaks>30) continue; |
| e43c066c |
797 | if (npeaks==0) continue; |
| 7f4044f0 |
798 | |
| 799 | Int_t k,l; |
| 800 | for (k=0; k<npeaks-1; k++){//mark adjacent peaks |
| 801 | if (idx[k] < 0) continue; //this peak is already removed |
| 802 | for (l=k+1; l<npeaks; l++) { |
| 803 | if (idx[l] < 0) continue; //this peak is already removed |
| c391f9d9 |
804 | Int_t ki=idx[k]/nzBins, kj=idx[k] - ki*nzBins; |
| 805 | Int_t li=idx[l]/nzBins, lj=idx[l] - li*nzBins; |
| 7f4044f0 |
806 | Int_t di=TMath::Abs(ki - li); |
| 807 | Int_t dj=TMath::Abs(kj - lj); |
| 808 | if (di>1 || dj>1) continue; |
| 809 | if (bins[s][idx[k]].GetQ() > bins[s][idx[l]].GetQ()) { |
| 810 | msk[l]=msk[k]; |
| 811 | idx[l]*=-1; |
| 812 | } else { |
| 813 | msk[k]=msk[l]; |
| 814 | idx[k]*=-1; |
| 815 | break; |
| 816 | } |
| 817 | } |
| 818 | } |
| 819 | |
| 820 | for (k=0; k<npeaks; k++) { |
| c391f9d9 |
821 | MarkPeak(TMath::Abs(idx[k]), nzBins, bins[s], msk[k]); |
| 7f4044f0 |
822 | } |
| 823 | |
| 824 | for (k=0; k<npeaks; k++) { |
| 825 | if (idx[k] < 0) continue; //removed peak |
| 826 | AliITSclusterV2 c; |
| c391f9d9 |
827 | MakeCluster(idx[k], nzBins, bins[s], msk[k], c); |
| babd135a |
828 | //mi change |
| 829 | Int_t milab[10]; |
| 830 | for (Int_t ilab=0;ilab<10;ilab++){ |
| 831 | milab[ilab]=-2; |
| 832 | } |
| e43c066c |
833 | Int_t maxi=0,mini=0,maxj=0,minj=0; |
| 834 | //AliBin *bmax=&bins[s][idx[k]]; |
| 835 | //Float_t max = TMath::Max(TMath::Abs(bmax->GetQ())/5.,3.); |
| 836 | Float_t max=3; |
| 837 | for (Int_t di=-2; di<=2;di++) |
| 838 | for (Int_t dj=-3;dj<=3;dj++){ |
| 839 | Int_t index = idx[k]+di+dj*nzBins; |
| 840 | if (index<0) continue; |
| 841 | if (index>=nMaxBin) continue; |
| 842 | AliBin *b=&bins[s][index]; |
| 843 | if (TMath::Abs(b->GetQ())>max){ |
| 844 | if (di>maxi) maxi=di; |
| 845 | if (di<mini) mini=di; |
| 846 | if (dj>maxj) maxj=dj; |
| 847 | if (dj<minj) minj=dj; |
| 848 | // |
| 0e986ef9 |
849 | if(digits) { |
| 850 | if (TMath::Abs(di)<2&&TMath::Abs(dj)<2){ |
| 851 | AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex()); |
| 852 | for (Int_t itrack=0;itrack<10;itrack++){ |
| 853 | Int_t track = (d->GetTracks())[itrack]; |
| 854 | if (track>=0) { |
| 855 | AddLabel(milab, track); |
| 856 | } |
| e43c066c |
857 | } |
| 858 | } |
| 859 | } |
| 860 | } |
| 861 | } |
| 862 | |
| 863 | /* |
| 864 | Float_t s2 = c.GetSigmaY2()/c.GetQ() - c.GetY()*c.GetY(); |
| 865 | Float_t w=par->GetPadPitchWidth(sec); |
| 866 | c.SetSigmaY2(s2); |
| 867 | if (s2 != 0.) { |
| 868 | c.SetSigmaY2(c.GetSigmaY2()*0.108); |
| 869 | if (sec<par->GetNInnerSector()) c.SetSigmaY2(c.GetSigmaY2()*2.07); |
| 870 | } |
| 871 | s2 = c.GetSigmaZ2()/c.GetQ() - c.GetZ()*c.GetZ(); |
| 872 | w=par->GetZWidth(); |
| 873 | c.SetSigmaZ2(s2); |
| 874 | |
| 875 | if (s2 != 0.) { |
| 876 | c.SetSigmaZ2(c.GetSigmaZ2()*0.169); |
| 877 | if (sec<par->GetNInnerSector()) c.SetSigmaZ2(c.GetSigmaZ2()*1.77); |
| 878 | } |
| 7f4044f0 |
879 | */ |
| 880 | |
| 7f4044f0 |
881 | Float_t y=c.GetY(),z=c.GetZ(), q=c.GetQ(); |
| 882 | y/=q; z/=q; |
| e43c066c |
883 | // |
| 884 | //Float_t s2 = c.GetSigmaY2()/c.GetQ() - y*y; |
| 885 | // c.SetSigmaY2(s2); |
| 886 | //s2 = c.GetSigmaZ2()/c.GetQ() - z*z; |
| 887 | //c.SetSigmaZ2(s2); |
| 888 | // |
| 7f4044f0 |
889 | y=(y-0.5)*fYpitchSDD; |
| 890 | y-=fHwSDD; |
| 891 | y-=fYoffSDD; //delay ? |
| 892 | if (s) y=-y; |
| 893 | |
| 894 | z=(z-0.5)*fZpitchSDD; |
| 895 | z-=fHlSDD; |
| 896 | |
| f363d377 |
897 | y=-(-y+fYshift[fI]); |
| 898 | z= -z+fZshift[fI]; |
| ecb9da3c |
899 | |
| 900 | q/=12.7; //this WAS consistent with SSD. To be reassessed |
| 901 | // 23-MAR-2007 |
| 902 | Float_t hit[5] = {y, z, 0.0030*0.0030, 0.0020*0.0020, q}; |
| 903 | Int_t info[3] = {maxj-minj+1, maxi-mini+1, fNlayer[fI]}; |
| e3d91d99 |
904 | |
| 905 | if (c.GetQ() < 20.) continue; //noise cluster |
| e43c066c |
906 | |
| 907 | if (digits) { |
| 908 | // AliBin *b=&bins[s][idx[k]]; |
| 909 | // AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex()); |
| c391f9d9 |
910 | { |
| e43c066c |
911 | //Int_t lab[3]; |
| 912 | //lab[0]=(d->GetTracks())[0]; |
| 913 | //lab[1]=(d->GetTracks())[1]; |
| 914 | //lab[2]=(d->GetTracks())[2]; |
| 915 | //CheckLabels(lab); |
| babd135a |
916 | CheckLabels2(milab); |
| c391f9d9 |
917 | } |
| 918 | } |
| ecb9da3c |
919 | milab[3]=fNdet[fI]; |
| 920 | |
| 921 | AliITSclusterV2 *cc = new (cl[ncl]) AliITSclusterV2(milab,hit,info); |
| 922 | cc->SetType(npeaks); |
| 923 | ncl++; |
| 7f4044f0 |
924 | } |
| 925 | } |
| c391f9d9 |
926 | } |
| 927 | |
| 928 | void AliITSclustererV2:: |
| 929 | FindClustersSDD(const TClonesArray *digits, TClonesArray *clusters) { |
| 930 | //------------------------------------------------------------ |
| 931 | // Actual SDD cluster finder |
| 932 | //------------------------------------------------------------ |
| 933 | Int_t kNzBins = fNzSDD + 2; |
| 934 | const Int_t kMAXBIN=kNzBins*(fNySDD+2); |
| 935 | |
| 936 | AliBin *bins[2]; |
| 937 | bins[0]=new AliBin[kMAXBIN]; |
| 938 | bins[1]=new AliBin[kMAXBIN]; |
| 939 | |
| 940 | AliITSdigitSDD *d=0; |
| 941 | Int_t i, ndigits=digits->GetEntriesFast(); |
| 942 | for (i=0; i<ndigits; i++) { |
| 943 | d=(AliITSdigitSDD*)digits->UncheckedAt(i); |
| 944 | Int_t y=d->GetCoord2()+1; //y |
| 945 | Int_t z=d->GetCoord1()+1; //z |
| 946 | Int_t q=d->GetSignal(); |
| e43c066c |
947 | if (q<3) continue; |
| e3d91d99 |
948 | |
| c391f9d9 |
949 | if (z <= fNzSDD) { |
| 950 | bins[0][y*kNzBins+z].SetQ(q); |
| 951 | bins[0][y*kNzBins+z].SetMask(1); |
| 952 | bins[0][y*kNzBins+z].SetIndex(i); |
| 953 | } else { |
| 954 | z-=fNzSDD; |
| 955 | bins[1][y*kNzBins+z].SetQ(q); |
| 956 | bins[1][y*kNzBins+z].SetMask(1); |
| 957 | bins[1][y*kNzBins+z].SetIndex(i); |
| 958 | } |
| 959 | } |
| 960 | |
| 961 | FindClustersSDD(bins, kMAXBIN, kNzBins, digits, clusters); |
| 7f4044f0 |
962 | |
| 963 | delete[] bins[0]; |
| 964 | delete[] bins[1]; |
| 0e986ef9 |
965 | |
| 7f4044f0 |
966 | } |
| 967 | |
| c391f9d9 |
968 | void AliITSclustererV2::FindClustersSDD(AliITSRawStream* input, |
| 969 | TClonesArray** clusters) |
| 970 | { |
| 971 | //------------------------------------------------------------ |
| 972 | // Actual SDD cluster finder for raw data |
| 973 | //------------------------------------------------------------ |
| 974 | Int_t nClustersSDD = 0; |
| 975 | Int_t kNzBins = fNzSDD + 2; |
| 976 | Int_t kMaxBin = kNzBins * (fNySDD+2); |
| 5102d526 |
977 | AliBin *binsSDDInit = new AliBin[kMaxBin]; |
| 978 | AliBin *binsSDD1 = new AliBin[kMaxBin]; |
| 979 | AliBin *binsSDD2 = new AliBin[kMaxBin]; |
| 980 | AliBin *bins[2] = {NULL, NULL}; |
| c391f9d9 |
981 | |
| 982 | // read raw data input stream |
| 983 | while (kTRUE) { |
| 984 | Bool_t next = input->Next(); |
| 985 | if (!next || input->IsNewModule()) { |
| 986 | Int_t iModule = input->GetPrevModuleID(); |
| 987 | |
| 988 | // when all data from a module was read, search for clusters |
| 989 | if (bins[0]) { |
| 990 | clusters[iModule] = new TClonesArray("AliITSclusterV2"); |
| 991 | fI = iModule; |
| 992 | FindClustersSDD(bins, kMaxBin, kNzBins, NULL, clusters[iModule]); |
| 993 | Int_t nClusters = clusters[iModule]->GetEntriesFast(); |
| 994 | nClustersSDD += nClusters; |
| 5102d526 |
995 | bins[0] = bins[1] = NULL; |
| c391f9d9 |
996 | } |
| 997 | |
| 998 | if (!next) break; |
| 5102d526 |
999 | bins[0]=binsSDD1; |
| 1000 | bins[1]=binsSDD2; |
| 1001 | memcpy(binsSDD1,binsSDDInit,sizeof(AliBin)*kMaxBin); |
| 1002 | memcpy(binsSDD2,binsSDDInit,sizeof(AliBin)*kMaxBin); |
| c391f9d9 |
1003 | } |
| 1004 | |
| 1005 | // fill the current digit into the bins array |
| 0e986ef9 |
1006 | if(input->GetSignal()>=3) { |
| 1007 | Int_t iz = input->GetCoord1()+1; |
| 1008 | Int_t side = ((iz <= fNzSDD) ? 0 : 1); |
| 1009 | iz -= side*fNzSDD; |
| 1010 | Int_t index = (input->GetCoord2()+1) * kNzBins + iz; |
| 1011 | bins[side][index].SetQ(input->GetSignal()); |
| 1012 | bins[side][index].SetMask(1); |
| 1013 | bins[side][index].SetIndex(index); |
| 1014 | } |
| c391f9d9 |
1015 | } |
| 1016 | |
| 5102d526 |
1017 | delete[] binsSDD1; |
| 1018 | delete[] binsSDD2; |
| 1019 | delete[] binsSDDInit; |
| 1020 | |
| c391f9d9 |
1021 | Info("FindClustersSDD", "found clusters in ITS SDD: %d", nClustersSDD); |
| 1022 | } |
| 1023 | |
| e43c066c |
1024 | |
| 1025 | |
| c391f9d9 |
1026 | void AliITSclustererV2:: |
| 1027 | FindClustersSSD(Ali1Dcluster* neg, Int_t nn, |
| 1028 | Ali1Dcluster* pos, Int_t np, |
| 1029 | TClonesArray *clusters) { |
| 1030 | //------------------------------------------------------------ |
| 1031 | // Actual SSD cluster finder |
| 1032 | //------------------------------------------------------------ |
| 1033 | TClonesArray &cl=*clusters; |
| e43c066c |
1034 | // |
| c391f9d9 |
1035 | Float_t tanp=fTanP, tann=fTanN; |
| 1036 | if (fI>fLastSSD1) {tann=fTanP; tanp=fTanN;} |
| c391f9d9 |
1037 | Int_t idet=fNdet[fI]; |
| 1038 | Int_t ncl=0; |
| e43c066c |
1039 | // |
| 1040 | Int_t negativepair[30000]; |
| 1041 | Int_t cnegative[3000]; |
| 1042 | Int_t cused1[3000]; |
| 1043 | Int_t positivepair[30000]; |
| 1044 | Int_t cpositive[3000]; |
| 1045 | Int_t cused2[3000]; |
| 1046 | for (Int_t i=0;i<3000;i++) {cnegative[i]=0; cused1[i]=0;} |
| 1047 | for (Int_t i=0;i<3000;i++) {cpositive[i]=0; cused2[i]=0;} |
| b66f90a0 |
1048 | for (Int_t i=0;i<30000;i++){negativepair[i]=positivepair[i]=0;} |
| 0774985e |
1049 | static Short_t pairs[1000][1000]; |
| 1050 | memset(pairs,0,sizeof(Short_t)*1000000); |
| 1051 | // Short_t ** pairs = new Short_t*[1000]; |
| 1052 | // for (Int_t i=0; i<1000; i++) { |
| 1053 | // pairs[i] = new Short_t[1000]; |
| 1054 | // memset(pairs[i],0,sizeof(Short_t)*1000); |
| 1055 | // } |
| e43c066c |
1056 | // |
| 1057 | // find available pairs |
| 1058 | // |
| 1059 | for (Int_t i=0; i<np; i++) { |
| 1060 | Float_t yp=pos[i].GetY()*fYpitchSSD; |
| 1061 | if (pos[i].GetQ()<3) continue; |
| 1062 | for (Int_t j=0; j<nn; j++) { |
| 1063 | if (neg[j].GetQ()<3) continue; |
| 1064 | Float_t yn=neg[j].GetY()*fYpitchSSD; |
| 1065 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1066 | Float_t yt=yn + tann*zt; |
| 1067 | zt-=fHlSSD; yt-=fHwSSD; |
| 1068 | if (TMath::Abs(yt)<fHwSSD+0.01) |
| 1069 | if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) { |
| 1070 | negativepair[i*10+cnegative[i]] =j; //index |
| 1071 | positivepair[j*10+cpositive[j]] =i; |
| 1072 | cnegative[i]++; //counters |
| 1073 | cpositive[j]++; |
| 1074 | pairs[i][j]=100; |
| 1075 | } |
| 1076 | } |
| 1077 | } |
| 1078 | // |
| 1079 | for (Int_t i=0; i<np; i++) { |
| 1080 | Float_t yp=pos[i].GetY()*fYpitchSSD; |
| 1081 | if (pos[i].GetQ()<3) continue; |
| 1082 | for (Int_t j=0; j<nn; j++) { |
| 1083 | if (neg[j].GetQ()<3) continue; |
| 1084 | if (cpositive[j]&&cnegative[i]) continue; |
| 1085 | Float_t yn=neg[j].GetY()*fYpitchSSD; |
| 1086 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1087 | Float_t yt=yn + tann*zt; |
| 1088 | zt-=fHlSSD; yt-=fHwSSD; |
| 1089 | if (TMath::Abs(yt)<fHwSSD+0.1) |
| 1090 | if (TMath::Abs(zt)<fHlSSD+0.15) { |
| 1091 | if (cnegative[i]==0) pos[i].SetNd(100); // not available pair |
| 1092 | if (cpositive[j]==0) neg[j].SetNd(100); // not available pair |
| 1093 | negativepair[i*10+cnegative[i]] =j; //index |
| 1094 | positivepair[j*10+cpositive[j]] =i; |
| 1095 | cnegative[i]++; //counters |
| 1096 | cpositive[j]++; |
| 1097 | pairs[i][j]=100; |
| 1098 | } |
| 1099 | } |
| 1100 | } |
| 1101 | // |
| 1102 | Float_t lp[5]; |
| 1103 | Int_t milab[10]; |
| 1104 | Double_t ratio; |
| 1105 | |
| 1106 | // |
| 1107 | // sign gold tracks |
| 1108 | // |
| 1109 | for (Int_t ip=0;ip<np;ip++){ |
| 1110 | Float_t ybest=1000,zbest=1000,qbest=0; |
| 1111 | // |
| 1112 | // select gold clusters |
| 1113 | if ( (cnegative[ip]==1) && cpositive[negativepair[10*ip]]==1){ |
| 1114 | Float_t yp=pos[ip].GetY()*fYpitchSSD; |
| 1115 | Int_t j = negativepair[10*ip]; |
| 1116 | ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ()); |
| 1117 | // |
| 1118 | Float_t yn=neg[j].GetY()*fYpitchSSD; |
| 1119 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1120 | Float_t yt=yn + tann*zt; |
| 1121 | zt-=fHlSSD; yt-=fHwSSD; |
| 1122 | ybest=yt; zbest=zt; |
| 1123 | qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ()); |
| 1124 | lp[0]=-(-ybest+fYshift[fI]); |
| 1125 | lp[1]= -zbest+fZshift[fI]; |
| 1126 | lp[2]=0.0025*0.0025; //SigmaY2 |
| 1127 | lp[3]=0.110*0.110; //SigmaZ2 |
| 1128 | |
| 1129 | lp[4]=qbest; //Q |
| 1130 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
| 1131 | for (Int_t ilab=0;ilab<3;ilab++){ |
| 1132 | milab[ilab] = pos[ip].GetLabel(ilab); |
| 1133 | milab[ilab+3] = neg[j].GetLabel(ilab); |
| 1134 | } |
| 1135 | // |
| 1136 | CheckLabels2(milab); |
| 1137 | milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det |
| 1138 | Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fI]}; |
| 1139 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); |
| 1140 | ncl++; |
| 1141 | cl2->SetChargeRatio(ratio); |
| 1142 | cl2->SetType(1); |
| 1143 | pairs[ip][j]=1; |
| 1144 | if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster |
| 1145 | cl2->SetType(2); |
| 1146 | pairs[ip][j]=2; |
| 1147 | } |
| 1148 | cused1[ip]++; |
| 1149 | cused2[j]++; |
| 1150 | } |
| 1151 | } |
| 1152 | |
| 1153 | for (Int_t ip=0;ip<np;ip++){ |
| 1154 | Float_t ybest=1000,zbest=1000,qbest=0; |
| 1155 | // |
| 1156 | // |
| 1157 | // select "silber" cluster |
| 1158 | if ( cnegative[ip]==1 && cpositive[negativepair[10*ip]]==2){ |
| 1159 | Int_t in = negativepair[10*ip]; |
| 1160 | Int_t ip2 = positivepair[10*in]; |
| 1161 | if (ip2==ip) ip2 = positivepair[10*in+1]; |
| 1162 | Float_t pcharge = pos[ip].GetQ()+pos[ip2].GetQ(); |
| 1163 | if (TMath::Abs(pcharge-neg[in].GetQ())<10){ |
| 1164 | // |
| 1165 | // add first pair |
| 1166 | if (pairs[ip][in]==100){ // |
| 1167 | Float_t yp=pos[ip].GetY()*fYpitchSSD; |
| 1168 | Float_t yn=neg[in].GetY()*fYpitchSSD; |
| 1169 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1170 | Float_t yt=yn + tann*zt; |
| 1171 | zt-=fHlSSD; yt-=fHwSSD; |
| 1172 | ybest =yt; zbest=zt; |
| 1173 | qbest =pos[ip].GetQ(); |
| 1174 | lp[0]=-(-ybest+fYshift[fI]); |
| 1175 | lp[1]= -zbest+fZshift[fI]; |
| 1176 | lp[2]=0.0025*0.0025; //SigmaY2 |
| 1177 | lp[3]=0.110*0.110; //SigmaZ2 |
| 1178 | |
| 1179 | lp[4]=qbest; //Q |
| 1180 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
| 1181 | for (Int_t ilab=0;ilab<3;ilab++){ |
| 1182 | milab[ilab] = pos[ip].GetLabel(ilab); |
| 1183 | milab[ilab+3] = neg[in].GetLabel(ilab); |
| 1184 | } |
| 1185 | // |
| 1186 | CheckLabels2(milab); |
| 1187 | ratio = (pos[ip].GetQ()-neg[in].GetQ())/(pos[ip].GetQ()+neg[in].GetQ()); |
| 1188 | milab[3]=(((ip<<10) + in)<<10) + idet; // pos|neg|det |
| 1189 | Int_t info[3] = {pos[ip].GetNd(),neg[in].GetNd(),fNlayer[fI]}; |
| 1190 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); |
| 1191 | ncl++; |
| 1192 | cl2->SetChargeRatio(ratio); |
| 1193 | cl2->SetType(5); |
| 1194 | pairs[ip][in] = 5; |
| 1195 | if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster |
| 1196 | cl2->SetType(6); |
| 1197 | pairs[ip][in] = 6; |
| 1198 | } |
| 1199 | } |
| 1200 | // |
| 1201 | // add second pair |
| 1202 | |
| 1203 | // if (!(cused1[ip2] || cused2[in])){ // |
| 1204 | if (pairs[ip2][in]==100){ |
| 1205 | Float_t yp=pos[ip2].GetY()*fYpitchSSD; |
| 1206 | Float_t yn=neg[in].GetY()*fYpitchSSD; |
| 1207 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1208 | Float_t yt=yn + tann*zt; |
| 1209 | zt-=fHlSSD; yt-=fHwSSD; |
| 1210 | ybest =yt; zbest=zt; |
| 1211 | qbest =pos[ip2].GetQ(); |
| 1212 | lp[0]=-(-ybest+fYshift[fI]); |
| 1213 | lp[1]= -zbest+fZshift[fI]; |
| 1214 | lp[2]=0.0025*0.0025; //SigmaY2 |
| 1215 | lp[3]=0.110*0.110; //SigmaZ2 |
| 1216 | |
| 1217 | lp[4]=qbest; //Q |
| 1218 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
| 1219 | for (Int_t ilab=0;ilab<3;ilab++){ |
| 1220 | milab[ilab] = pos[ip2].GetLabel(ilab); |
| 1221 | milab[ilab+3] = neg[in].GetLabel(ilab); |
| 1222 | } |
| 1223 | // |
| 1224 | CheckLabels2(milab); |
| 1225 | ratio = (pos[ip2].GetQ()-neg[in].GetQ())/(pos[ip2].GetQ()+neg[in].GetQ()); |
| 1226 | milab[3]=(((ip2<<10) + in)<<10) + idet; // pos|neg|det |
| 1227 | Int_t info[3] = {pos[ip2].GetNd(),neg[in].GetNd(),fNlayer[fI]}; |
| 1228 | AliITSclusterV2 *cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); |
| 1229 | ncl++; |
| 1230 | cl2->SetChargeRatio(ratio); |
| 1231 | cl2->SetType(5); |
| 1232 | pairs[ip2][in] =5; |
| 1233 | if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster |
| 1234 | cl2->SetType(6); |
| 1235 | pairs[ip2][in] =6; |
| 1236 | } |
| 1237 | } |
| 1238 | cused1[ip]++; |
| 1239 | cused1[ip2]++; |
| 1240 | cused2[in]++; |
| 1241 | } |
| 1242 | } |
| 1243 | } |
| 1244 | |
| 1245 | // |
| 1246 | for (Int_t jn=0;jn<nn;jn++){ |
| 1247 | if (cused2[jn]) continue; |
| 1248 | Float_t ybest=1000,zbest=1000,qbest=0; |
| 1249 | // select "silber" cluster |
| 1250 | if ( cpositive[jn]==1 && cnegative[positivepair[10*jn]]==2){ |
| 1251 | Int_t ip = positivepair[10*jn]; |
| 1252 | Int_t jn2 = negativepair[10*ip]; |
| 1253 | if (jn2==jn) jn2 = negativepair[10*ip+1]; |
| 1254 | Float_t pcharge = neg[jn].GetQ()+neg[jn2].GetQ(); |
| 1255 | // |
| 1256 | if (TMath::Abs(pcharge-pos[ip].GetQ())<10){ |
| 1257 | // |
| 1258 | // add first pair |
| 1259 | // if (!(cused1[ip]||cused2[jn])){ |
| 1260 | if (pairs[ip][jn]==100){ |
| 1261 | Float_t yn=neg[jn].GetY()*fYpitchSSD; |
| 1262 | Float_t yp=pos[ip].GetY()*fYpitchSSD; |
| 1263 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1264 | Float_t yt=yn + tann*zt; |
| 1265 | zt-=fHlSSD; yt-=fHwSSD; |
| 1266 | ybest =yt; zbest=zt; |
| 1267 | qbest =neg[jn].GetQ(); |
| 1268 | lp[0]=-(-ybest+fYshift[fI]); |
| 1269 | lp[1]= -zbest+fZshift[fI]; |
| 1270 | lp[2]=0.0025*0.0025; //SigmaY2 |
| 1271 | lp[3]=0.110*0.110; //SigmaZ2 |
| 1272 | |
| 1273 | lp[4]=qbest; //Q |
| 1274 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
| 1275 | for (Int_t ilab=0;ilab<3;ilab++){ |
| 1276 | milab[ilab] = pos[ip].GetLabel(ilab); |
| 1277 | milab[ilab+3] = neg[jn].GetLabel(ilab); |
| 1278 | } |
| 1279 | // |
| 1280 | CheckLabels2(milab); |
| 1281 | ratio = (pos[ip].GetQ()-neg[jn].GetQ())/(pos[ip].GetQ()+neg[jn].GetQ()); |
| 1282 | milab[3]=(((ip<<10) + jn)<<10) + idet; // pos|neg|det |
| 1283 | Int_t info[3] = {pos[ip].GetNd(),neg[jn].GetNd(),fNlayer[fI]}; |
| 1284 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); |
| 1285 | ncl++; |
| 1286 | cl2->SetChargeRatio(ratio); |
| 1287 | cl2->SetType(7); |
| 1288 | pairs[ip][jn] =7; |
| 1289 | if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster |
| 1290 | cl2->SetType(8); |
| 1291 | pairs[ip][jn]=8; |
| 1292 | } |
| 1293 | } |
| 1294 | // |
| 1295 | // add second pair |
| 1296 | // if (!(cused1[ip]||cused2[jn2])){ |
| 1297 | if (pairs[ip][jn2]==100){ |
| 1298 | Float_t yn=neg[jn2].GetY()*fYpitchSSD; |
| 1299 | Double_t yp=pos[ip].GetY()*fYpitchSSD; |
| 1300 | Double_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1301 | Double_t yt=yn + tann*zt; |
| 1302 | zt-=fHlSSD; yt-=fHwSSD; |
| 1303 | ybest =yt; zbest=zt; |
| 1304 | qbest =neg[jn2].GetQ(); |
| 1305 | lp[0]=-(-ybest+fYshift[fI]); |
| 1306 | lp[1]= -zbest+fZshift[fI]; |
| 1307 | lp[2]=0.0025*0.0025; //SigmaY2 |
| 1308 | lp[3]=0.110*0.110; //SigmaZ2 |
| 1309 | |
| 1310 | lp[4]=qbest; //Q |
| 1311 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
| 1312 | for (Int_t ilab=0;ilab<3;ilab++){ |
| 1313 | milab[ilab] = pos[ip].GetLabel(ilab); |
| 1314 | milab[ilab+3] = neg[jn2].GetLabel(ilab); |
| 1315 | } |
| 1316 | // |
| 1317 | CheckLabels2(milab); |
| 1318 | ratio = (pos[ip].GetQ()-neg[jn2].GetQ())/(pos[ip].GetQ()+neg[jn2].GetQ()); |
| 1319 | milab[3]=(((ip<<10) + jn2)<<10) + idet; // pos|neg|det |
| 1320 | Int_t info[3] = {pos[ip].GetNd(),neg[jn2].GetNd(),fNlayer[fI]}; |
| 1321 | AliITSclusterV2* cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); |
| 1322 | ncl++; |
| 1323 | cl2->SetChargeRatio(ratio); |
| 1324 | pairs[ip][jn2]=7; |
| 1325 | cl2->SetType(7); |
| 1326 | if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster |
| 1327 | cl2->SetType(8); |
| 1328 | pairs[ip][jn2]=8; |
| 1329 | } |
| 1330 | } |
| 1331 | cused1[ip]++; |
| 1332 | cused2[jn]++; |
| 1333 | cused2[jn2]++; |
| 1334 | } |
| 1335 | } |
| 1336 | } |
| 1337 | |
| 1338 | for (Int_t ip=0;ip<np;ip++){ |
| 1339 | Float_t ybest=1000,zbest=1000,qbest=0; |
| 1340 | // |
| 1341 | // 2x2 clusters |
| 1342 | // |
| 1343 | if ( (cnegative[ip]<5) && cpositive[negativepair[10*ip]]<5){ |
| 1344 | Float_t minchargediff =4.; |
| 1345 | Int_t j=-1; |
| 1346 | for (Int_t di=0;di<cnegative[ip];di++){ |
| 1347 | Int_t jc = negativepair[ip*10+di]; |
| 1348 | Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ(); |
| 1349 | if (TMath::Abs(chargedif)<minchargediff){ |
| 1350 | j =jc; |
| 1351 | minchargediff = TMath::Abs(chargedif); |
| 1352 | } |
| 1353 | } |
| 1354 | if (j<0) continue; // not proper cluster |
| 1355 | Int_t count =0; |
| 1356 | for (Int_t di=0;di<cnegative[ip];di++){ |
| 1357 | Int_t jc = negativepair[ip*10+di]; |
| 1358 | Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ(); |
| 1359 | if (TMath::Abs(chargedif)<minchargediff+3.) count++; |
| 1360 | } |
| 1361 | if (count>1) continue; // more than one "proper" cluster for positive |
| 1362 | // |
| 1363 | count =0; |
| 1364 | for (Int_t dj=0;dj<cpositive[j];dj++){ |
| 1365 | Int_t ic = positivepair[j*10+dj]; |
| 1366 | Float_t chargedif = pos[ic].GetQ()-neg[j].GetQ(); |
| 1367 | if (TMath::Abs(chargedif)<minchargediff+3.) count++; |
| 1368 | } |
| 1369 | if (count>1) continue; // more than one "proper" cluster for negative |
| 1370 | |
| 1371 | Int_t jp = 0; |
| 1372 | |
| 1373 | count =0; |
| 1374 | for (Int_t dj=0;dj<cnegative[jp];dj++){ |
| 1375 | Int_t ic = positivepair[jp*10+dj]; |
| 1376 | Float_t chargedif = pos[ic].GetQ()-neg[jp].GetQ(); |
| 1377 | if (TMath::Abs(chargedif)<minchargediff+4.) count++; |
| 1378 | } |
| 1379 | if (count>1) continue; |
| 1380 | if (pairs[ip][j]<100) continue; |
| 1381 | // |
| 1382 | //almost gold clusters |
| 1383 | Float_t yp=pos[ip].GetY()*fYpitchSSD; |
| 1384 | Float_t yn=neg[j].GetY()*fYpitchSSD; |
| 1385 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1386 | Float_t yt=yn + tann*zt; |
| 1387 | zt-=fHlSSD; yt-=fHwSSD; |
| 1388 | ybest=yt; zbest=zt; |
| 1389 | qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ()); |
| 1390 | lp[0]=-(-ybest+fYshift[fI]); |
| 1391 | lp[1]= -zbest+fZshift[fI]; |
| 1392 | lp[2]=0.0025*0.0025; //SigmaY2 |
| 1393 | lp[3]=0.110*0.110; //SigmaZ2 |
| 1394 | lp[4]=qbest; //Q |
| 1395 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
| 1396 | for (Int_t ilab=0;ilab<3;ilab++){ |
| 1397 | milab[ilab] = pos[ip].GetLabel(ilab); |
| 1398 | milab[ilab+3] = neg[j].GetLabel(ilab); |
| 1399 | } |
| 1400 | // |
| 1401 | CheckLabels2(milab); |
| 1402 | ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ()); |
| 1403 | milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det |
| 1404 | Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fI]}; |
| 1405 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); |
| 1406 | ncl++; |
| 1407 | cl2->SetChargeRatio(ratio); |
| 1408 | cl2->SetType(10); |
| 1409 | pairs[ip][j]=10; |
| 1410 | if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster |
| 1411 | cl2->SetType(11); |
| 1412 | pairs[ip][j]=11; |
| 1413 | } |
| 1414 | cused1[ip]++; |
| 1415 | cused2[j]++; |
| 1416 | } |
| 1417 | |
| 1418 | } |
| 1419 | |
| 1420 | // |
| c391f9d9 |
1421 | for (Int_t i=0; i<np; i++) { |
| c391f9d9 |
1422 | Float_t ybest=1000,zbest=1000,qbest=0; |
| 1423 | Float_t yp=pos[i].GetY()*fYpitchSSD; |
| e43c066c |
1424 | if (pos[i].GetQ()<3) continue; |
| c391f9d9 |
1425 | for (Int_t j=0; j<nn; j++) { |
| e43c066c |
1426 | // for (Int_t di = 0;di<cpositive[i];di++){ |
| 1427 | // Int_t j = negativepair[10*i+di]; |
| 1428 | if (neg[j].GetQ()<3) continue; |
| 1429 | if (cused2[j]||cused1[i]) continue; |
| 1430 | if (pairs[i][j]>0 &&pairs[i][j]<100) continue; |
| 1431 | ratio = (pos[i].GetQ()-neg[j].GetQ())/(pos[i].GetQ()+neg[j].GetQ()); |
| c391f9d9 |
1432 | Float_t yn=neg[j].GetY()*fYpitchSSD; |
| 1433 | Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp); |
| 1434 | Float_t yt=yn + tann*zt; |
| 1435 | zt-=fHlSSD; yt-=fHwSSD; |
| 1436 | if (TMath::Abs(yt)<fHwSSD+0.01) |
| e43c066c |
1437 | if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) { |
| c391f9d9 |
1438 | ybest=yt; zbest=zt; |
| 1439 | qbest=0.5*(pos[i].GetQ()+neg[j].GetQ()); |
| f363d377 |
1440 | lp[0]=-(-ybest+fYshift[fI]); |
| 1441 | lp[1]= -zbest+fZshift[fI]; |
| e43c066c |
1442 | lp[2]=0.0025*0.0025; //SigmaY2 |
| 1443 | lp[3]=0.110*0.110; //SigmaZ2 |
| 1444 | |
| c391f9d9 |
1445 | lp[4]=qbest; //Q |
| babd135a |
1446 | for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2; |
| e43c066c |
1447 | for (Int_t ilab=0;ilab<3;ilab++){ |
| 1448 | milab[ilab] = pos[i].GetLabel(ilab); |
| 1449 | milab[ilab+3] = neg[j].GetLabel(ilab); |
| 1450 | } |
| babd135a |
1451 | // |
| babd135a |
1452 | CheckLabels2(milab); |
| 1453 | milab[3]=(((i<<10) + j)<<10) + idet; // pos|neg|det |
| e43c066c |
1454 | Int_t info[3] = {pos[i].GetNd(),neg[j].GetNd(),fNlayer[fI]}; |
| 1455 | AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info); |
| 1456 | ncl++; |
| 1457 | cl2->SetChargeRatio(ratio); |
| 1458 | cl2->SetType(100+cpositive[j]+cnegative[i]); |
| 1459 | //cl2->SetType(0); |
| 1460 | /* |
| 1461 | if (pairs[i][j]<100){ |
| 1462 | printf("problem:- %d\n", pairs[i][j]); |
| 1463 | } |
| 1464 | if (cnegative[i]<2&&cpositive[j]<2){ |
| 1465 | printf("problem:- %d\n", pairs[i][j]); |
| 1466 | } |
| 1467 | */ |
| c391f9d9 |
1468 | } |
| 1469 | } |
| c391f9d9 |
1470 | } |
| a06cb96e |
1471 | |
| 0774985e |
1472 | // for (Int_t i=0; i<1000; i++) delete [] pairs[i]; |
| 1473 | // delete [] pairs; |
| a06cb96e |
1474 | |
| c391f9d9 |
1475 | } |
| 1476 | |
| e43c066c |
1477 | |
| 7f4044f0 |
1478 | void AliITSclustererV2:: |
| e43c066c |
1479 | FindClustersSSD(const TClonesArray *alldigits, TClonesArray *clusters) { |
| 7f4044f0 |
1480 | //------------------------------------------------------------ |
| 1481 | // Actual SSD cluster finder |
| 1482 | //------------------------------------------------------------ |
| e43c066c |
1483 | Int_t smaxall=alldigits->GetEntriesFast(); |
| 1484 | if (smaxall==0) return; |
| 1485 | TObjArray *digits = new TObjArray; |
| 1486 | for (Int_t i=0;i<smaxall; i++){ |
| 1487 | AliITSdigitSSD *d=(AliITSdigitSSD*)alldigits->UncheckedAt(i); |
| 1488 | if (d->GetSignal()<3) continue; |
| 1489 | digits->AddLast(d); |
| 1490 | } |
| 1491 | Int_t smax = digits->GetEntriesFast(); |
| 7f4044f0 |
1492 | if (smax==0) return; |
| e43c066c |
1493 | |
| 7f4044f0 |
1494 | const Int_t MAX=1000; |
| 1495 | Int_t np=0, nn=0; |
| 1496 | Ali1Dcluster pos[MAX], neg[MAX]; |
| 1497 | Float_t y=0., q=0., qmax=0.; |
| 1498 | Int_t lab[4]={-2,-2,-2,-2}; |
| e43c066c |
1499 | |
| 7f4044f0 |
1500 | AliITSdigitSSD *d=(AliITSdigitSSD*)digits->UncheckedAt(0); |
| 1501 | q += d->GetSignal(); |
| 1502 | y += d->GetCoord2()*d->GetSignal(); |
| 1503 | qmax=d->GetSignal(); |
| 1504 | lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2); |
| 1505 | Int_t curr=d->GetCoord2(); |
| 1506 | Int_t flag=d->GetCoord1(); |
| 1507 | Int_t *n=&nn; |
| 1508 | Ali1Dcluster *c=neg; |
| c391f9d9 |
1509 | Int_t nd=1; |
| e43c066c |
1510 | Int_t milab[10]; |
| 1511 | for (Int_t ilab=0;ilab<10;ilab++){ |
| 1512 | milab[ilab]=-2; |
| 1513 | } |
| 1514 | milab[0]=d->GetTrack(0); milab[1]=d->GetTrack(1); milab[2]=d->GetTrack(2); |
| 1515 | |
| 7f4044f0 |
1516 | for (Int_t s=1; s<smax; s++) { |
| e43c066c |
1517 | d=(AliITSdigitSSD*)digits->UncheckedAt(s); |
| 7f4044f0 |
1518 | Int_t strip=d->GetCoord2(); |
| 1519 | if ((strip-curr) > 1 || flag!=d->GetCoord1()) { |
| 1520 | c[*n].SetY(y/q); |
| 1521 | c[*n].SetQ(q); |
| 1522 | c[*n].SetNd(nd); |
| e43c066c |
1523 | CheckLabels2(milab); |
| 1524 | c[*n].SetLabels(milab); |
| 7f4044f0 |
1525 | //Split suspiciously big cluster |
| e43c066c |
1526 | /* |
| 1527 | if (nd>10&&nd<16){ |
| 1528 | c[*n].SetY(y/q-0.3*nd); |
| 1529 | c[*n].SetQ(0.5*q); |
| 1530 | (*n)++; |
| 1531 | if (*n==MAX) { |
| 1532 | Error("FindClustersSSD","Too many 1D clusters !"); |
| 7f4044f0 |
1533 | return; |
| e43c066c |
1534 | } |
| 1535 | c[*n].SetY(y/q-0.0*nd); |
| 1536 | c[*n].SetQ(0.5*q); |
| 1537 | c[*n].SetNd(nd); |
| 1538 | (*n)++; |
| 1539 | if (*n==MAX) { |
| 1540 | Error("FindClustersSSD","Too many 1D clusters !"); |
| 1541 | return; |
| 1542 | } |
| 1543 | // |
| 1544 | c[*n].SetY(y/q+0.3*nd); |
| 1545 | c[*n].SetQ(0.5*q); |
| 1546 | c[*n].SetNd(nd); |
| 1547 | c[*n].SetLabels(milab); |
| 1548 | } |
| 1549 | else{ |
| 1550 | */ |
| 1551 | if (nd>4&&nd<25) { |
| 1552 | c[*n].SetY(y/q-0.25*nd); |
| 1553 | c[*n].SetQ(0.5*q); |
| 1554 | (*n)++; |
| 1555 | if (*n==MAX) { |
| 1556 | Error("FindClustersSSD","Too many 1D clusters !"); |
| 1557 | return; |
| 1558 | } |
| 1559 | c[*n].SetY(y/q+0.25*nd); |
| 1560 | c[*n].SetQ(0.5*q); |
| 1561 | c[*n].SetNd(nd); |
| 1562 | c[*n].SetLabels(milab); |
| 1563 | } |
| 7f4044f0 |
1564 | (*n)++; |
| 1565 | if (*n==MAX) { |
| c630aafd |
1566 | Error("FindClustersSSD","Too many 1D clusters !"); |
| 7f4044f0 |
1567 | return; |
| 1568 | } |
| 1569 | y=q=qmax=0.; |
| 1570 | nd=0; |
| 1571 | lab[0]=lab[1]=lab[2]=-2; |
| e43c066c |
1572 | // |
| 1573 | for (Int_t ilab=0;ilab<10;ilab++){ |
| 1574 | milab[ilab]=-2; |
| 1575 | } |
| 1576 | // |
| 7f4044f0 |
1577 | if (flag!=d->GetCoord1()) { n=&np; c=pos; } |
| 1578 | } |
| 1579 | flag=d->GetCoord1(); |
| 1580 | q += d->GetSignal(); |
| 1581 | y += d->GetCoord2()*d->GetSignal(); |
| 1582 | nd++; |
| 1583 | if (d->GetSignal()>qmax) { |
| 1584 | qmax=d->GetSignal(); |
| 1585 | lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2); |
| 1586 | } |
| e43c066c |
1587 | for (Int_t ilab=0;ilab<10;ilab++) { |
| 1588 | if (d->GetTrack(ilab)>=0) AddLabel(milab, (d->GetTrack(ilab))); |
| 1589 | } |
| 7f4044f0 |
1590 | curr=strip; |
| 1591 | } |
| 1592 | c[*n].SetY(y/q); |
| 1593 | c[*n].SetQ(q); |
| 1594 | c[*n].SetNd(nd); |
| 1595 | c[*n].SetLabels(lab); |
| 1596 | //Split suspiciously big cluster |
| 0e986ef9 |
1597 | if (nd>4 && nd<25) { |
| 1598 | c[*n].SetY(y/q-0.25*nd); |
| 7f4044f0 |
1599 | c[*n].SetQ(0.5*q); |
| 1600 | (*n)++; |
| 1601 | if (*n==MAX) { |
| c630aafd |
1602 | Error("FindClustersSSD","Too many 1D clusters !"); |
| 7f4044f0 |
1603 | return; |
| 1604 | } |
| 0e986ef9 |
1605 | c[*n].SetY(y/q+0.25*nd); |
| 7f4044f0 |
1606 | c[*n].SetQ(0.5*q); |
| 1607 | c[*n].SetNd(nd); |
| 1608 | c[*n].SetLabels(lab); |
| 1609 | } |
| 1610 | (*n)++; |
| 1611 | if (*n==MAX) { |
| c630aafd |
1612 | Error("FindClustersSSD","Too many 1D clusters !"); |
| 7f4044f0 |
1613 | return; |
| 1614 | } |
| 1615 | |
| c391f9d9 |
1616 | FindClustersSSD(neg, nn, pos, np, clusters); |
| 1617 | } |
| 7f4044f0 |
1618 | |
| c391f9d9 |
1619 | void AliITSclustererV2::FindClustersSSD(AliITSRawStream* input, |
| 1620 | TClonesArray** clusters) |
| 1621 | { |
| 1622 | //------------------------------------------------------------ |
| 1623 | // Actual SSD cluster finder for raw data |
| 1624 | //------------------------------------------------------------ |
| 1625 | Int_t nClustersSSD = 0; |
| 1626 | const Int_t MAX = 1000; |
| 1627 | Ali1Dcluster clusters1D[2][MAX]; |
| 1628 | Int_t nClusters[2] = {0, 0}; |
| 0e986ef9 |
1629 | Int_t lab[3]={-2,-2,-2}; |
| c391f9d9 |
1630 | Float_t q = 0.; |
| 1631 | Float_t y = 0.; |
| 1632 | Int_t nDigits = 0; |
| 1633 | Int_t prevStrip = -1; |
| 1634 | Int_t prevFlag = -1; |
| 0e986ef9 |
1635 | Int_t prevModule = -1; |
| c391f9d9 |
1636 | |
| 1637 | // read raw data input stream |
| 1638 | while (kTRUE) { |
| 1639 | Bool_t next = input->Next(); |
| 1640 | |
| 0e986ef9 |
1641 | if(input->GetSignal()<3 && next) continue; |
| c391f9d9 |
1642 | // check if a new cluster starts |
| 1643 | Int_t strip = input->GetCoord2(); |
| 1644 | Int_t flag = input->GetCoord1(); |
| 0e986ef9 |
1645 | if ((!next || (input->GetModuleID() != prevModule)|| |
| c391f9d9 |
1646 | (strip-prevStrip > 1) || (flag != prevFlag)) && |
| 1647 | (nDigits > 0)) { |
| 1648 | if (nClusters[prevFlag] == MAX) { |
| 1649 | Error("FindClustersSSD", "Too many 1D clusters !"); |
| 1650 | return; |
| 1651 | } |
| 1652 | Ali1Dcluster& cluster = clusters1D[prevFlag][nClusters[prevFlag]++]; |
| 1653 | cluster.SetY(y/q); |
| 1654 | cluster.SetQ(q); |
| 1655 | cluster.SetNd(nDigits); |
| 0e986ef9 |
1656 | cluster.SetLabels(lab); |
| c391f9d9 |
1657 | |
| 1658 | //Split suspiciously big cluster |
| 0e986ef9 |
1659 | if (nDigits > 4&&nDigits < 25) { |
| 1660 | cluster.SetY(y/q - 0.25*nDigits); |
| c391f9d9 |
1661 | cluster.SetQ(0.5*q); |
| 1662 | if (nClusters[prevFlag] == MAX) { |
| 1663 | Error("FindClustersSSD", "Too many 1D clusters !"); |
| 1664 | return; |
| 1665 | } |
| 1666 | Ali1Dcluster& cluster2 = clusters1D[prevFlag][nClusters[prevFlag]++]; |
| 0e986ef9 |
1667 | cluster2.SetY(y/q + 0.25*nDigits); |
| c391f9d9 |
1668 | cluster2.SetQ(0.5*q); |
| 1669 | cluster2.SetNd(nDigits); |
| 0e986ef9 |
1670 | cluster2.SetLabels(lab); |
| 7f4044f0 |
1671 | } |
| c391f9d9 |
1672 | y = q = 0.; |
| 1673 | nDigits = 0; |
| 7f4044f0 |
1674 | } |
| c391f9d9 |
1675 | |
| 0e986ef9 |
1676 | if (!next || (input->GetModuleID() != prevModule)) { |
| 1677 | Int_t iModule = prevModule; |
| c391f9d9 |
1678 | |
| 1679 | // when all data from a module was read, search for clusters |
| 1680 | if (prevFlag >= 0) { |
| 1681 | clusters[iModule] = new TClonesArray("AliITSclusterV2"); |
| 1682 | fI = iModule; |
| 1683 | FindClustersSSD(&clusters1D[0][0], nClusters[0], |
| 1684 | &clusters1D[1][0], nClusters[1], clusters[iModule]); |
| e8f4b841 |
1685 | Int_t noClusters = clusters[iModule]->GetEntriesFast(); |
| 1686 | nClustersSSD += noClusters; |
| c391f9d9 |
1687 | } |
| 1688 | |
| 1689 | if (!next) break; |
| 1690 | nClusters[0] = nClusters[1] = 0; |
| 1691 | y = q = 0.; |
| 1692 | nDigits = 0; |
| 7f4044f0 |
1693 | } |
| c391f9d9 |
1694 | |
| 1695 | // add digit to current cluster |
| 1696 | q += input->GetSignal(); |
| 1697 | y += strip * input->GetSignal(); |
| 1698 | nDigits++; |
| 1699 | prevStrip = strip; |
| 1700 | prevFlag = flag; |
| 0e986ef9 |
1701 | prevModule = input->GetModuleID(); |
| 1702 | |
| 7f4044f0 |
1703 | } |
| c391f9d9 |
1704 | |
| 1705 | Info("FindClustersSSD", "found clusters in ITS SSD: %d", nClustersSSD); |
| 7f4044f0 |
1706 | } |
| 1707 | |
git://git.uio.no / u / mrichter / AliRoot.git / blame