| 9608df41 |
1 | /* $Id$ */ |
| 2 | |
| 3 | #include "AliHighMultiplicitySelector.h" |
| 4 | |
| 5 | #include <TVector3.h> |
| 6 | #include <TFile.h> |
| 7 | #include <TH1F.h> |
| 8 | #include <TH2F.h> |
| 9 | #include <TNtuple.h> |
| 10 | #include <TProfile.h> |
| 11 | #include <TParticle.h> |
| 12 | #include <TCanvas.h> |
| 13 | #include <TTree.h> |
| 14 | #include <TGeoManager.h> |
| 15 | #include <TF1.h> |
| 16 | #include <TGraph.h> |
| 17 | #include <TLegend.h> |
| 18 | #include <TLine.h> |
| 19 | |
| 20 | #include <AliLog.h> |
| 21 | #include <AliESD.h> |
| 22 | #include <AliRunLoader.h> |
| 23 | #include <AliStack.h> |
| 24 | |
| 25 | #include <AliITSgeom.h> |
| 26 | #include <AliITSLoader.h> |
| 27 | #include <AliITSdigitSPD.h> |
| 28 | #include <AliITSRecPoint.h> |
| 29 | |
| 30 | #include "AliPWG0Helper.h" |
| 31 | |
| 32 | // |
| 33 | // |
| 34 | |
| 35 | ClassImp(AliHighMultiplicitySelector) |
| 36 | |
| 37 | AliHighMultiplicitySelector::AliHighMultiplicitySelector() : |
| 38 | AliSelectorRL(), |
| 39 | fChipsLayer1(0), |
| 40 | fChipsLayer2(0), |
| 41 | fL1vsL2(0), |
| 42 | fMvsL1(0), |
| 43 | fMvsL2(0), |
| 44 | fChipsFired(0), |
| 45 | fPrimaryL1(0), |
| 46 | fPrimaryL2(0), |
| 47 | fClusterZL1(0), |
| 48 | fClusterZL2(0), |
| 49 | fClvsL1(0), |
| 50 | fClvsL2(0), |
| f91bc12d |
51 | centralRegion(kFALSE) |
| 9608df41 |
52 | { |
| 53 | // |
| 54 | // Constructor. Initialization of pointers |
| 55 | // |
| 56 | } |
| 57 | |
| 58 | AliHighMultiplicitySelector::~AliHighMultiplicitySelector() |
| 59 | { |
| 60 | // |
| 61 | // Destructor |
| 62 | // |
| 63 | |
| 64 | // histograms are in the output list and deleted when the output |
| 65 | // list is deleted by the TSelector dtor |
| 66 | } |
| 67 | |
| 68 | void AliHighMultiplicitySelector::SlaveBegin(TTree *tree) |
| 69 | { |
| 70 | AliSelectorRL::SlaveBegin(tree); |
| 71 | |
| 72 | fChipsFired = new TH2F("fChipsFired", ";Module;Chip;Count", 240, -0.5, 239.5, 5, -0.5, 4.5); |
| 73 | |
| 74 | fPrimaryL1 = new TNtuple("fPrimaryL1", "", "multiplicity:firedChips:chipsByPrimaries:clusters"); |
| 75 | fPrimaryL2 = new TNtuple("fPrimaryL2", "", "multiplicity:firedChips:chipsByPrimaries:clusters"); |
| 76 | |
| 77 | fClusterZL1 = new TH1F("fClusterZL1", ";z", 400, -20, 20); |
| 78 | fClusterZL2 = new TH1F("fClusterZL2", ";z", 400, -20, 20); |
| 79 | } |
| 80 | |
| 81 | void AliHighMultiplicitySelector::Init(TTree* tree) |
| 82 | { |
| 83 | // read the user objects |
| 84 | |
| 85 | AliSelectorRL::Init(tree); |
| 86 | |
| 87 | // enable only the needed branches |
| 88 | if (tree) |
| 89 | { |
| 90 | tree->SetBranchStatus("*", 0); |
| 91 | tree->SetBranchStatus("fTriggerMask", 1); |
| 92 | |
| 93 | /*if (fTree->GetCurrentFile()) |
| 94 | { |
| 95 | TString fileName(fTree->GetCurrentFile()->GetName()); |
| 96 | fileName.ReplaceAll("AliESDs", "geometry"); |
| 97 | |
| 98 | // load geometry |
| 99 | TGeoManager::Import(fileName); |
| 100 | }*/ |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | Bool_t AliHighMultiplicitySelector::Process(Long64_t entry) |
| 105 | { |
| 106 | // |
| 107 | // processing |
| 108 | // |
| 109 | |
| 110 | if (AliSelectorRL::Process(entry) == kFALSE) |
| 111 | return kFALSE; |
| 112 | |
| 113 | // Check prerequisites |
| 114 | if (!fESD) |
| 115 | { |
| 116 | AliDebug(AliLog::kError, "ESD branch not available"); |
| 117 | return kFALSE; |
| 118 | } |
| 119 | |
| 120 | Bool_t eventTriggered = AliPWG0Helper::IsEventTriggered(fESD, AliPWG0Helper::kMB1); |
| 121 | |
| 122 | if (!eventTriggered) |
| 123 | { |
| 124 | AliDebug(AliLog::kDebug, "Event not triggered. Skipping."); |
| 125 | return kTRUE; |
| 126 | } |
| 127 | |
| 128 | AliStack* stack = GetStack(); |
| 129 | if (!stack) |
| 130 | { |
| 131 | AliDebug(AliLog::kError, "Stack not available"); |
| 132 | return kFALSE; |
| 133 | } |
| 134 | |
| 135 | Int_t nPrim = stack->GetNprimary(); |
| 136 | Int_t multiplicity21 = 0; |
| 137 | Int_t multiplicity16 = 0; |
| 138 | |
| 139 | for (Int_t iMc = 0; iMc < nPrim; ++iMc) |
| 140 | { |
| 141 | AliDebug(AliLog::kDebug+1, Form("MC Loop: Processing particle %d.", iMc)); |
| 142 | |
| 143 | TParticle* particle = stack->Particle(iMc); |
| 144 | |
| 145 | if (!particle) |
| 146 | { |
| 147 | AliDebug(AliLog::kError, Form("UNEXPECTED: particle with label %d not found in stack (mc loop).", iMc)); |
| 148 | continue; |
| 149 | } |
| 150 | |
| 151 | if (AliPWG0Helper::IsPrimaryCharged(particle, nPrim) == kFALSE) |
| 152 | continue; |
| 153 | |
| 154 | if (centralRegion) |
| 155 | { |
| 156 | if (TMath::Abs(particle->Eta()) < 1.05) |
| 157 | multiplicity21++; |
| 158 | if (TMath::Abs(particle->Eta()) < 0.8) |
| 159 | multiplicity16++; |
| 160 | } |
| 161 | else |
| 162 | { |
| 163 | if (TMath::Abs(particle->Eta()) < 2.1) |
| 164 | multiplicity21++; |
| 165 | if (TMath::Abs(particle->Eta()) < 1.6) |
| 166 | multiplicity16++; |
| 167 | } |
| 168 | }// end of mc particle |
| 169 | |
| 170 | AliRunLoader* runLoader = GetRunLoader(); |
| 171 | if (!runLoader) |
| 172 | { |
| 173 | AliDebug(AliLog::kError, "runloader not available"); |
| 174 | return kFALSE; |
| 175 | } |
| 176 | |
| 177 | // TDirectory::TContext restores the current directory is restored when the scope ends. |
| 178 | // This helps around ROOT bug #26025 and is good behaviour anyway |
| 179 | TDirectory::TContext context(0); |
| 180 | AliITSLoader* loader = (AliITSLoader*) runLoader->GetLoader( "ITSLoader" ); |
| 181 | loader->LoadDigits("READ"); |
| 182 | TTree* treeD = loader->TreeD(); |
| 183 | if (!treeD) |
| 184 | { |
| 185 | AliDebug(AliLog::kError, "Could not retrieve TreeD of ITS"); |
| 186 | return kFALSE; |
| 187 | } |
| 188 | |
| 189 | treeD->SetBranchStatus("*", 0); |
| 190 | treeD->SetBranchStatus("ITSDigitsSPD.fTracks*", 1); |
| 191 | treeD->SetBranchStatus("ITSDigitsSPD.fCoord1", 1); |
| 192 | |
| 193 | TClonesArray* digits = 0; |
| 194 | treeD->SetBranchAddress("ITSDigitsSPD", &digits); |
| 195 | if (digits); |
| 196 | digits->Clear(); |
| 197 | |
| 198 | // each value for both layers |
| 199 | Int_t totalNumberOfFO[2]; |
| 200 | Int_t chipsHitByPrimaries[2]; |
| 201 | //Int_t chipsHitBySecondaries[2]; |
| 202 | |
| 203 | for (Int_t i=0; i<2; ++i) |
| 204 | { |
| 205 | totalNumberOfFO[i] = 0; |
| 206 | chipsHitByPrimaries[i] = 0; |
| 207 | //chipsHitBySecondaries[i] = 0; |
| 208 | } |
| 209 | |
| 210 | Int_t startSPD = 0; //geom->GetStartSPD(); |
| 211 | Int_t lastSPD = 239; //geom->GetLastSPD(); |
| 212 | |
| 213 | //printf("%d %d\n", startSPD, lastSPD); |
| 214 | // for (Int_t l=0; l<240; ++l) { AliITSgeomTGeo::GetModuleId(l, i, j, k); printf("%d --> %d\n", l, i); } |
| 215 | |
| 216 | // loop over modules (ladders) |
| 217 | for (Int_t moduleIndex=startSPD; moduleIndex<lastSPD+1; moduleIndex++) |
| 218 | { |
| 219 | if (centralRegion) |
| 220 | { |
| 221 | if ((moduleIndex % 4) == 0 || (moduleIndex % 4) == 3) |
| 222 | continue; |
| 223 | } |
| 224 | |
| 225 | Int_t currentLayer = 0; |
| 226 | if (moduleIndex >= 80) |
| 227 | currentLayer = 1; |
| 228 | |
| 229 | treeD->GetEvent(moduleIndex); |
| 230 | |
| 231 | // get number of digits in this module |
| 232 | Int_t ndigitsInModule = digits->GetEntriesFast(); |
| 233 | |
| 234 | // get number of digits in each chip of the module |
| 235 | Int_t ndigitsInChip[5]; |
| 236 | Bool_t hitByPrimary[5]; |
| 237 | for( Int_t iChip=0; iChip<5; iChip++) |
| 238 | { |
| 239 | ndigitsInChip[iChip]=0; |
| 240 | hitByPrimary[iChip] = kFALSE; |
| 241 | } |
| 242 | |
| 243 | // loop over digits in this module |
| 244 | for (Int_t iDig=0; iDig<ndigitsInModule; iDig++) |
| 245 | { |
| 246 | AliITSdigitSPD* dp = (AliITSdigitSPD*) digits->At(iDig); |
| 247 | Int_t column = dp->GetCoord1(); |
| 248 | Int_t isChip = column / 32; |
| 249 | |
| 250 | //printf("Digit %d has column %d which translates to chip %d\n", iDig, column, isChip); |
| 251 | |
| 252 | fChipsFired->Fill(moduleIndex, isChip); |
| 253 | |
| 254 | ndigitsInChip[isChip]++; |
| 255 | |
| 256 | Bool_t debug = kFALSE; |
| 257 | |
| 258 | // find out which particle caused this chip to fire |
| 259 | // if we find at least one primary we consider this chip being fired by a primary |
| 260 | for (Int_t track=0; track<10; ++track) |
| 261 | { |
| 262 | Int_t label = dp->GetTrack(track); |
| 263 | |
| 264 | if (label < 0) |
| 265 | continue; |
| 266 | |
| 267 | if (debug) |
| 268 | printf("track %d contains label %d\n", track, label); |
| 269 | |
| 270 | TParticle* particle = stack->Particle(label); |
| 271 | |
| 272 | if (!particle) |
| 273 | { |
| 274 | AliDebug(AliLog::kError, Form("UNEXPECTED: particle with label %d not found in stack (digit loop).", label)); |
| 275 | continue; |
| 276 | } |
| 277 | |
| 278 | if (debug) |
| 279 | { |
| 280 | particle->Print(); |
| 281 | printf("statuscode = %d, p = %f, m = %d\n", particle->GetStatusCode(), particle->P(), particle->GetFirstMother()); |
| 282 | } |
| 283 | |
| 284 | // TODO delta electrons should be traced back to their mother. this is e.g. solved in AliITSClusterFinderV2::CheckLabels2 |
| 285 | while (particle->P() < 0.02 && particle->GetStatusCode() == 0 && particle->GetFirstMother() >= 0) |
| 286 | { |
| 287 | label = particle->GetFirstMother(); |
| 288 | particle = stack->Particle(label); |
| 289 | |
| 290 | if (!particle) |
| 291 | break; |
| 292 | |
| 293 | if (debug) |
| 294 | { |
| 295 | printf("-->\n"); |
| 296 | printf("statuscode = %d, p = %f, m = %d\n", particle->GetStatusCode(), particle->P(), particle->GetFirstMother()); |
| 297 | particle->Print(); |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | if (!particle) |
| 302 | { |
| 303 | AliDebug(AliLog::kError, Form("UNEXPECTED: particle with label %d not found in stack (digit loop, finding delta electrons).", label)); |
| 304 | continue; |
| 305 | } |
| 306 | |
| 307 | if (label > nPrim) |
| 308 | continue; |
| 309 | |
| 310 | if (AliPWG0Helper::IsPrimaryCharged(particle, nPrim) == kFALSE) |
| 311 | continue; |
| 312 | |
| 313 | if (debug) |
| 314 | printf("This was a primary (or delta-electron of a primary)!\n"); |
| 315 | |
| 316 | hitByPrimary[isChip] = kTRUE; |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | // get number of FOs in the module |
| 321 | for (Int_t ifChip=0; ifChip<5; ifChip++) |
| 322 | if( ndigitsInChip[ifChip] >= 1 ) |
| 323 | { |
| 324 | totalNumberOfFO[currentLayer]++; |
| 325 | if (hitByPrimary[ifChip]) |
| 326 | { |
| 327 | chipsHitByPrimaries[currentLayer]++; |
| 328 | } |
| 329 | //else |
| 330 | // chipsHitBySecondaries[currentLayer]++; |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | //printf("Fired chips: %d %d\n", totalNumberOfFOLayer1, totalNumberOfFOLayer2); |
| 335 | |
| 336 | // now find clusters |
| 337 | Int_t clustersLayer[2]; |
| 338 | clustersLayer[0] = 0; |
| 339 | clustersLayer[1] = 0; |
| 340 | |
| 341 | loader->LoadRecPoints("READ"); |
| 342 | TTree* treeR = loader->TreeR(); |
| 343 | if (!treeR) |
| 344 | { |
| 345 | AliDebug(AliLog::kError, "Could not retrieve TreeR of ITS"); |
| 346 | return kFALSE; |
| 347 | } |
| 348 | |
| 349 | // TODO branches! |
| 350 | //treeR->SetBranchStatus("*", 0); |
| 351 | |
| 352 | TClonesArray* itsClusters = 0; |
| 353 | treeR->SetBranchAddress("ITSRecPoints", &itsClusters); |
| 354 | |
| 355 | Int_t nTreeEntries = treeR->GetEntries(); |
| 356 | for (Int_t iEntry = 0; iEntry < nTreeEntries; ++iEntry) |
| 357 | { |
| 358 | if (!treeR->GetEvent(iEntry)) |
| 359 | continue; |
| 360 | |
| 361 | Int_t nClusters = itsClusters->GetEntriesFast(); |
| 362 | |
| 363 | while(nClusters--) |
| 364 | { |
| 365 | AliITSRecPoint* cluster = (AliITSRecPoint*) itsClusters->UncheckedAt(nClusters); |
| 366 | |
| 367 | if (cluster->GetLayer() == 0) |
| 368 | { |
| 369 | clustersLayer[0]++; |
| 370 | fClusterZL1->Fill(cluster->GetZ()); |
| 371 | } |
| 372 | else if (cluster->GetLayer() == 1) |
| 373 | { |
| 374 | clustersLayer[1]++; |
| 375 | fClusterZL2->Fill(cluster->GetZ()); |
| 376 | } |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | fPrimaryL1->Fill(multiplicity21, totalNumberOfFO[0], chipsHitByPrimaries[0], clustersLayer[0]); |
| 381 | fPrimaryL2->Fill(multiplicity16, totalNumberOfFO[1], chipsHitByPrimaries[1], clustersLayer[1]); |
| 382 | |
| 383 | return kTRUE; |
| 384 | } |
| 385 | |
| 386 | Bool_t AliHighMultiplicitySelector::Notify() |
| 387 | { |
| 388 | AliRunLoader* runLoader = GetRunLoader(); |
| 389 | |
| 390 | if (runLoader) |
| 391 | { |
| 392 | AliITSLoader* loader = (AliITSLoader* )runLoader->GetLoader( "ITSLoader" ); |
| 393 | if (loader) |
| 394 | { |
| 395 | loader->UnloadDigits(); |
| 396 | loader->UnloadRecPoints(); |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | return AliSelectorRL::Notify(); |
| 401 | } |
| 402 | |
| 403 | void AliHighMultiplicitySelector::SlaveTerminate() |
| 404 | { |
| 405 | // The SlaveTerminate() function is called after all entries or objects |
| 406 | // have been processed. When running with PROOF SlaveTerminate() is called |
| 407 | // on each slave server. |
| 408 | |
| 409 | AliSelectorRL::SlaveTerminate(); |
| 410 | |
| 411 | // Add the histograms to the output on each slave server |
| 412 | if (!fOutput) |
| 413 | { |
| 414 | AliDebug(AliLog::kError, "ERROR: Output list not initialized."); |
| 415 | return; |
| 416 | } |
| 417 | |
| 418 | fOutput->Add(fChipsFired); |
| 419 | fOutput->Add(fPrimaryL1); |
| 420 | fOutput->Add(fPrimaryL2); |
| 421 | fOutput->Add(fClusterZL1); |
| 422 | fOutput->Add(fClusterZL2); |
| 423 | } |
| 424 | |
| 425 | void AliHighMultiplicitySelector::Terminate() |
| 426 | { |
| 427 | // The Terminate() function is the last function to be called during |
| 428 | // a query. It always runs on the client, it can be used to present |
| 429 | // the results graphically or save the results to file. |
| 430 | |
| 431 | AliSelectorRL::Terminate(); |
| 432 | |
| 433 | fChipsFired = dynamic_cast<TH2F*> (fOutput->FindObject("fChipsFired")); |
| 434 | fPrimaryL1 = dynamic_cast<TNtuple*> (fOutput->FindObject("fPrimaryL1")); |
| 435 | fPrimaryL2 = dynamic_cast<TNtuple*> (fOutput->FindObject("fPrimaryL2")); |
| 436 | fClusterZL1 = dynamic_cast<TH1F*> (fOutput->FindObject("fClusterZL1")); |
| 437 | fClusterZL2 = dynamic_cast<TH1F*> (fOutput->FindObject("fClusterZL2")); |
| 438 | |
| 439 | if (!fClusterZL1 || !fClusterZL2 || !fChipsFired || !fPrimaryL1 || !fPrimaryL2) |
| 440 | { |
| 441 | AliError("Histograms not available"); |
| 442 | return; |
| 443 | } |
| 444 | |
| 445 | WriteHistograms(); |
| 446 | } |
| 447 | |
| 448 | void AliHighMultiplicitySelector::WriteHistograms(const char* filename) |
| 449 | { |
| 450 | TFile* file = TFile::Open(filename, "RECREATE"); |
| 451 | |
| 452 | fChipsFired->Write(); |
| 453 | fPrimaryL1->Write(); |
| 454 | fPrimaryL2->Write(); |
| 455 | fClusterZL1->Write(); |
| 456 | fClusterZL2->Write(); |
| 457 | |
| 458 | file->Close(); |
| 459 | } |
| 460 | |
| 461 | void AliHighMultiplicitySelector::ReadHistograms(const char* filename) |
| 462 | { |
| 463 | TFile* file = TFile::Open(filename); |
| 464 | |
| 465 | if (!file) |
| 466 | return; |
| 467 | |
| 468 | fPrimaryL1 = dynamic_cast<TNtuple*> (file->Get("fPrimaryL1")); |
| 469 | fPrimaryL2 = dynamic_cast<TNtuple*> (file->Get("fPrimaryL2")); |
| 470 | fChipsFired = dynamic_cast<TH2F*> (file->Get("fChipsFired")); |
| 471 | fClusterZL1 = dynamic_cast<TH1F*> (file->Get("fClusterZL1")); |
| 472 | fClusterZL2 = dynamic_cast<TH1F*> (file->Get("fClusterZL2")); |
| 473 | |
| 474 | #define MULT 1001, -0.5, 1000.5 |
| 475 | #define BINNING_LAYER1 401, -0.5, 400.5 |
| 476 | #define BINNING_LAYER2 801, -0.5, 800.5 |
| 477 | |
| 478 | fChipsLayer1 = new TH1F("fChipsLayer1", "Layer 1;Fired Chips;Count", BINNING_LAYER1); |
| 479 | fChipsLayer2 = new TH1F("fChipsLayer2", "Layer 2;Fired Chips;Count", BINNING_LAYER2); |
| 480 | |
| 481 | fL1vsL2 = new TH2F("fL1vsL2", ";Fired Chips Layer 1;Fired Chips Layer 2", BINNING_LAYER1, BINNING_LAYER2); |
| 482 | fMvsL1 = new TH2F("fMvsL1", ";true multiplicity;fired chips layer1", MULT, BINNING_LAYER1); |
| 483 | fMvsL2 = new TH2F("fMvsL2", ";true multiplicity;fired chips layer2", MULT, BINNING_LAYER2); |
| 484 | |
| 485 | fClvsL1 = new TH2F("fClvsL1", ";clusters layer1;fired chips layer1", MULT, BINNING_LAYER1); |
| 486 | fClvsL2 = new TH2F("fClvsL2", ";clusters layer2;fired chips layer2", MULT, BINNING_LAYER2); |
| 487 | |
| 488 | for (Int_t i = 0; i < fPrimaryL1->GetEntries(); i++) |
| 489 | { |
| 490 | fPrimaryL1->GetEvent(i); |
| 491 | fPrimaryL2->GetEvent(i); |
| 492 | |
| 493 | Int_t multiplicity21 = (Int_t) fPrimaryL1->GetArgs()[0]; |
| 494 | Int_t multiplicity16 = (Int_t) fPrimaryL2->GetArgs()[0]; |
| 495 | |
| 496 | Int_t totalNumberOfFO[2]; |
| 497 | totalNumberOfFO[0] = (Int_t) fPrimaryL1->GetArgs()[1]; |
| 498 | totalNumberOfFO[1] = (Int_t) fPrimaryL2->GetArgs()[1]; |
| 499 | |
| 500 | Int_t chipsHitByPrimaries[2]; |
| 501 | chipsHitByPrimaries[0] = (Int_t) fPrimaryL1->GetArgs()[2]; |
| 502 | chipsHitByPrimaries[1] = (Int_t) fPrimaryL2->GetArgs()[2]; |
| 503 | |
| 504 | Int_t clustersLayer[2]; |
| 505 | clustersLayer[0] = (Int_t) fPrimaryL1->GetArgs()[3]; |
| 506 | clustersLayer[1] = (Int_t) fPrimaryL2->GetArgs()[3]; |
| 507 | |
| 508 | fChipsLayer1->Fill(totalNumberOfFO[0]); |
| 509 | fChipsLayer2->Fill(totalNumberOfFO[1]); |
| 510 | |
| 511 | fL1vsL2->Fill(totalNumberOfFO[0], totalNumberOfFO[1]); |
| 512 | |
| 513 | fMvsL1->Fill(multiplicity21, totalNumberOfFO[0]); |
| 514 | fMvsL2->Fill(multiplicity16, totalNumberOfFO[1]); |
| 515 | |
| 516 | fClvsL1->Fill(clustersLayer[0], totalNumberOfFO[0]); |
| 517 | fClvsL2->Fill(clustersLayer[1], totalNumberOfFO[1]); |
| 518 | } |
| 519 | } |
| 520 | |
| f6093269 |
521 | TH1* AliHighMultiplicitySelector::GetTriggerEfficiency(TH2* multVsLayer, Int_t cut) |
| 9608df41 |
522 | { |
| f6093269 |
523 | // |
| 524 | // returns the trigger efficiency as function of multiplicity with a given cut |
| 525 | // |
| 9608df41 |
526 | |
| 527 | //cut and multiply with x-section |
| f6093269 |
528 | TH1* allEvents = multVsLayer->ProjectionX("fMvsL_x_total", 1, 1001); |
| 9608df41 |
529 | //allEvents->Sumw2(); |
| 530 | |
| 531 | //cut and multiply with x-section |
| f6093269 |
532 | TH1* proj = multVsLayer->ProjectionX(Form("%s_x", multVsLayer->GetName()), cut, 1001); |
| 9608df41 |
533 | //proj->Sumw2(); |
| 534 | |
| f6093269 |
535 | //new TCanvas; allEvents->DrawCopy(); gPad->SetLogy(); |
| 536 | //new TCanvas; proj->DrawCopy(); gPad->SetLogy(); |
| 9608df41 |
537 | |
| 538 | // make probability distribution out of it |
| 539 | // TODO binomial errors do not work??? weird... |
| 540 | proj->Divide(proj, allEvents, 1, 1, "B"); |
| 541 | |
| f6093269 |
542 | return proj; |
| 543 | } |
| 544 | |
| 545 | TH1* AliHighMultiplicitySelector::GetXSectionCut(TH1* xSection, TH2* multVsLayer, Int_t cut) |
| 546 | { |
| 547 | // returns the rel. cross section of the true spectrum that is measured when a cut at <cut> is performed |
| 548 | |
| 549 | TH1* proj = GetTriggerEfficiency(multVsLayer, cut); |
| 550 | |
| 551 | //new TCanvas; proj->DrawCopy(); gPad->SetLogy(); |
| 9608df41 |
552 | |
| 553 | for (Int_t i=1; i<=proj->GetNbinsX(); i++) |
| 554 | { |
| 555 | if (i <= xSection->GetNbinsX()) |
| 556 | { |
| 557 | Double_t value = proj->GetBinContent(i) * xSection->GetBinContent(i); |
| 558 | Double_t error = 0; |
| 559 | |
| 560 | if (value != 0) |
| 561 | error = value * (proj->GetBinError(i) / proj->GetBinContent(i) + xSection->GetBinError(i) / xSection->GetBinContent(i)); |
| 562 | |
| 563 | proj->SetBinContent(i, value); |
| 564 | proj->SetBinError(i, error); |
| 565 | } |
| 566 | else |
| 567 | { |
| 568 | proj->SetBinContent(i, 0); |
| 569 | proj->SetBinError(i, 0); |
| 570 | } |
| 571 | } |
| 572 | |
| f6093269 |
573 | //new TCanvas; proj->DrawCopy(); gPad->SetLogy(); |
| 9608df41 |
574 | |
| 575 | return proj; |
| 576 | } |
| 577 | |
| f6093269 |
578 | void AliHighMultiplicitySelector::MakeGraphs2(const char* title, TH1* xSection, TH2* fMvsL) |
| 9608df41 |
579 | { |
| f6093269 |
580 | TGraph* effGraph = new TGraph; |
| 581 | effGraph->SetTitle(Form("%s;Cut on fired chips;mult. where eff. >50%%", title)); |
| 582 | TGraph* ratioGraph = new TGraph; |
| 583 | ratioGraph->SetTitle(Form("%s;Cut on fired chips;x-section_(>=eff. limit) / x-section_(total)", title)); |
| 584 | TGraph* totalGraph = new TGraph; |
| 585 | totalGraph->SetTitle(Form("%s;Cut on fired chips;rel x-section_(>=eff. limit)", title)); |
| 586 | |
| 587 | for (Int_t cut = 0; cut <= 300; cut+=50) |
| 588 | { |
| 589 | TH1* proj = (TH1*) GetTriggerEfficiency(fMvsL, cut)->Clone("clone"); |
| 590 | |
| 591 | //proj->Rebin(3); |
| 592 | //proj->Scale(1.0 / 3); |
| 593 | |
| 594 | new TCanvas; proj->DrawCopy(); |
| 9608df41 |
595 | |
| f6093269 |
596 | Int_t limitBin = proj->GetNbinsX()+1; |
| 597 | while (limitBin > 1 && proj->GetBinContent(limitBin-1) > 0.5) |
| 598 | limitBin--; |
| 599 | |
| 600 | Float_t limit = proj->GetXaxis()->GetBinCenter(limitBin); |
| 601 | |
| 602 | effGraph->SetPoint(effGraph->GetN(), cut, limit); |
| 603 | |
| 604 | proj = GetXSectionCut(xSection, fMvsL, cut); |
| 605 | |
| 606 | Double_t ratio = 0; |
| 607 | Double_t total = 0; |
| 608 | if (proj->Integral(1, 1001) > 0) |
| 609 | { |
| 610 | ratio = proj->Integral(proj->FindBin(limit), 1001) / proj->Integral(1, 1001); |
| 611 | total = proj->Integral(proj->FindBin(limit), 1001); |
| 612 | } |
| 613 | |
| 614 | ratioGraph->SetPoint(ratioGraph->GetN(), cut, ratio); |
| 615 | totalGraph->SetPoint(totalGraph->GetN(), cut, total); |
| 616 | |
| 617 | Printf("Cut at %d --> trigger eff. is > 0.5 for mult. >= %.2f. That is the case for %f of the triggered, %e of all events", cut, limit, ratio, total); |
| 618 | } |
| 619 | |
| 620 | TCanvas* canvas = new TCanvas(Form("%s_Efficiency", title), Form("%s_Efficiency", title), 1200, 800); |
| 621 | canvas->Divide(2, 2); |
| 622 | |
| 623 | canvas->cd(1); |
| 624 | effGraph->Draw("A*"); |
| 625 | |
| 626 | for (Int_t i=8; i<=10; ++i) |
| 627 | { |
| 628 | TLine* line = new TLine(0, xSection->GetMean() * i, 300, xSection->GetMean() * i); |
| 629 | line->Draw(); |
| 630 | } |
| 631 | |
| 632 | canvas->cd(2); ratioGraph->Draw("A*"); |
| 633 | canvas->cd(3); gPad->SetLogy(); totalGraph->Draw("A*"); |
| 634 | |
| 635 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 636 | } |
| 637 | |
| 638 | void AliHighMultiplicitySelector::MakeGraphs(const char* title, TH1* xSection, TH2* fMvsL, Int_t limit) |
| 639 | { |
| 9608df41 |
640 | // relative x-section, once we have a collision |
| 641 | xSection->Scale(1.0 / xSection->Integral()); |
| 642 | |
| 643 | TGraph* ratioGraph = new TGraph; |
| 644 | ratioGraph->SetTitle(Form("%s;Cut on fired chips;x-section_(>=%d) / x-section_(total)", title, limit)); |
| 645 | TGraph* totalGraph = new TGraph; |
| 646 | totalGraph->SetTitle(Form("%s;Cut on fired chips;rel x-section_(>=%d)", title, limit)); |
| 647 | |
| 648 | Double_t max = 0; |
| 649 | Int_t bestCut = -1; |
| 650 | Double_t bestRatio = -1; |
| 651 | Double_t bestTotal = -1; |
| 652 | Int_t fullCut = -1; |
| 653 | Double_t fullRatio = -1; |
| 654 | Double_t fullTotal = -1; |
| 655 | |
| 656 | fMvsL->Sumw2(); |
| 657 | |
| 658 | for (Int_t cut = 50; cut <= 300; cut+=2) |
| 659 | { |
| 660 | TH1* proj = GetXSectionCut(xSection, fMvsL, cut); |
| 661 | |
| 662 | Double_t ratio = 0; |
| 663 | Double_t total = 0; |
| 664 | if (proj->Integral(1, 1000) > 0) |
| 665 | { |
| 666 | ratio = proj->Integral(limit, 1000) / proj->Integral(1, 1000); |
| 667 | total = proj->Integral(limit, 1000); |
| 668 | } |
| 669 | |
| 670 | max = TMath::Max(max, total); |
| 671 | |
| 672 | //printf("Cut at %d: rel. x-section_(>=%d) = %e; x-section_(>=%d) / x-section_(total) = %f\n", cut, limit, total, limit, ratio); |
| 673 | |
| 674 | if (total < max * 0.9 && bestCut == -1) |
| 675 | { |
| 676 | bestCut = cut; |
| 677 | bestRatio = ratio; |
| 678 | bestTotal = total; |
| 679 | } |
| 680 | |
| 681 | if (ratio == 1 && fullCut == -1) |
| 682 | { |
| 683 | fullCut = cut; |
| 684 | fullRatio = ratio; |
| 685 | fullTotal = total; |
| 686 | } |
| 687 | |
| 688 | ratioGraph->SetPoint(ratioGraph->GetN(), cut, ratio); |
| 689 | totalGraph->SetPoint(totalGraph->GetN(), cut, total); |
| 690 | } |
| 691 | |
| 692 | if (bestCut != -1) |
| 693 | printf("Best cut at %d: rel. x-section_(>=%d) = %e %%; x-section_(>=%d) / x-section_(total) = %f %%\n", bestCut, limit, bestTotal, limit, bestRatio); |
| 694 | if (fullCut != -1) |
| 695 | printf("100%% cut at %d: rel. x-section_(>=%d) = %e %%; x-section_(>=%d) / x-section_(total) = %f %%\n", fullCut, limit, fullTotal, limit, fullRatio); |
| 696 | |
| 697 | TCanvas* canvas = new TCanvas(Form("%s_RatioXSection_%d", title, limit), Form("%s_RatioXSection_%d", title, limit), 600, 400); |
| 698 | ratioGraph->Draw("A*"); |
| 699 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 700 | |
| 701 | canvas = new TCanvas(Form("%s_TotalXSection_%d", title, limit), Form("%s_TotalXSection_%d", title, limit), 600, 400); |
| 702 | totalGraph->Draw("A*"); |
| 703 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 704 | } |
| 705 | |
| 706 | void AliHighMultiplicitySelector::JPRPlots() |
| 707 | { |
| 708 | /* |
| 709 | |
| 710 | gSystem->Load("libPWG0base"); |
| 711 | .L AliHighMultiplicitySelector.cxx+ |
| 712 | x = new AliHighMultiplicitySelector(); |
| 713 | x->ReadHistograms("highmult_hijing100k.root"); |
| 714 | x->JPRPlots(); |
| 715 | |
| 716 | */ |
| 717 | |
| 718 | // get x-sections |
| 719 | TFile* file = TFile::Open("crosssectionEx.root"); |
| 720 | if (!file) |
| 721 | return; |
| 722 | |
| 723 | TH1* xSections[2]; |
| 724 | xSections[0] = dynamic_cast<TH1*> (gFile->Get("xSection2Ex")); |
| 725 | xSections[1] = dynamic_cast<TH1*> (gFile->Get("xSection15Ex")); |
| 726 | |
| 727 | for (Int_t i=0; i<2; ++i) |
| 728 | { |
| 729 | if (!xSections[i]) |
| 730 | continue; |
| 731 | |
| 732 | TH1* xSection = xSections[i]; |
| 733 | TH2* fMvsL = (i == 0) ? fMvsL1: fMvsL2; |
| 734 | //Int_t cut = (i == 0) ? 164 : 150; // 8 times the mean |
| 735 | //Int_t cut = (i == 0) ? 178 : 166; // 9 times the mean |
| 736 | Int_t cut = (i == 0) ? 190 : 182; // 10 times the mean |
| 737 | |
| f6093269 |
738 | // limit is N times the mean |
| 739 | Int_t limit = (Int_t) (xSection->GetMean() * 10); |
| 740 | |
| 741 | // 10^28 lum --> 1.2 kHz |
| 742 | // 10^31 lum --> 1200 kHz |
| 743 | Float_t rate = 1200e3; |
| 744 | |
| 745 | // time in s |
| 746 | Float_t lengthRun = 1e6; |
| 747 | |
| 9608df41 |
748 | xSection->SetStats(kFALSE); |
| f6093269 |
749 | xSection->SetTitle(""); //(i == 0) ? "SPD Layer 1" : "SPD Layer 2"); |
| 9608df41 |
750 | xSection->GetXaxis()->SetTitle(Form("true multiplicity in |#eta| < %.1f", (i == 0) ? 2.0 : 1.5)); |
| 751 | xSection->GetXaxis()->SetRangeUser(0, (i == 0) ? 400 : 350); |
| f6093269 |
752 | //xSection->GetYaxis()->SetTitle("relative cross section"); |
| 9608df41 |
753 | xSection->GetYaxis()->SetTitleOffset(1.2); |
| 754 | |
| 9608df41 |
755 | // relative x-section, once we have a collision |
| 756 | xSection->Scale(1.0 / xSection->Integral()); |
| 757 | |
| 758 | TH1* proj = GetXSectionCut(xSection, fMvsL, cut); |
| 759 | |
| 760 | Double_t ratio = 0; |
| 761 | Double_t total = 0; |
| 762 | if (proj->Integral(1, 1000) > 0) |
| 763 | { |
| 764 | ratio = proj->Integral(limit, 1000) / proj->Integral(1, 1000); |
| 765 | total = proj->Integral(limit, 1000); |
| 766 | } |
| 767 | |
| 768 | printf("Cut at %d: rel. x-section_(>=%d) = %e; x-section_(>=%d) / x-section_(total) = %f\n", cut, limit, total, limit, ratio); |
| 769 | |
| 770 | TCanvas* canvas = new TCanvas(Form("HMPlots_%d", i), Form("HMPlots_%d", i), 800, 600); |
| 771 | canvas->SetLogy(); |
| 772 | xSection->DrawCopy(); |
| 773 | proj->SetLineColor(2); |
| 774 | proj->SetStats(kFALSE); |
| 775 | proj->DrawCopy("SAME"); |
| 776 | |
| 777 | TLegend* legend = new TLegend(0.15, 0.15, 0.45, 0.3); |
| 778 | legend->SetFillColor(0); |
| 779 | legend->AddEntry(xSection, "no trigger"); |
| 780 | legend->AddEntry(proj, Form("FO trigger > %d chips", cut)); |
| 781 | legend->Draw(); |
| 782 | |
| 783 | TLine* line = new TLine(limit, xSection->GetMinimum() * 0.5, limit, xSection->GetMaximum() * 2); |
| 784 | line->SetLineWidth(2); |
| 785 | line->Draw(); |
| 786 | |
| 787 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 788 | |
| 789 | TCanvas* canvas2 = new TCanvas(Form("HMPlots_%d_Random", i), Form("HMPlots_%d_Random", i), 800, 600); |
| f6093269 |
790 | //canvas2->SetTopMargin(0.05); |
| 791 | //canvas2->SetRightMargin(0.05); |
| 9608df41 |
792 | canvas2->SetLogy(); |
| f6093269 |
793 | xSection->DrawCopy("HIST"); |
| 9608df41 |
794 | |
| f6093269 |
795 | TLegend* legend2 = new TLegend(0.15, 0.15, 0.6, 0.3); |
| 9608df41 |
796 | legend2->SetFillColor(0); |
| 797 | legend2->AddEntry(xSection, "no trigger"); |
| 798 | |
| 799 | TH1* proj2 = (TH1*) proj->Clone("random"); |
| 800 | proj2->Reset(); |
| f6093269 |
801 | // MB lengthRun s 100 Hz |
| 802 | Int_t nTrigger = (Int_t) (100 * lengthRun * proj->Integral(1, 1000)); |
| 9608df41 |
803 | proj2->FillRandom(proj, nTrigger); |
| 804 | |
| 805 | TH1* proj3 = (TH1*) proj2->Clone("random_clone"); |
| 806 | proj3->Divide(proj); |
| 807 | proj3->Fit("pol0", "0", ""); |
| 808 | proj2->Scale(1.0 / proj3->GetFunction("pol0")->GetParameter(0)); |
| 809 | |
| f6093269 |
810 | /* |
| 9608df41 |
811 | proj2->DrawCopy("SAME"); |
| 812 | legend2->AddEntry(proj2, Form("%d evts, FO > %d chips (%d evts)", nTrigger, cut, (Int_t) (nTrigger * ratio))); |
| f6093269 |
813 | */ |
| 9608df41 |
814 | |
| 815 | proj2 = (TH1*) proj->Clone("random2"); |
| 816 | proj2->Reset(); |
| f6093269 |
817 | // 10^31 lum --> 1200 kHz; lengthRun s |
| 818 | nTrigger = (Int_t) (rate * proj->Integral(1, 1000) * lengthRun); |
| 9608df41 |
819 | proj2->FillRandom(proj, nTrigger); |
| 820 | |
| 821 | proj3 = (TH1*) proj2->Clone("random_clone2"); |
| 822 | proj3->Divide(proj); |
| 823 | proj3->Fit("pol0", "0", ""); |
| 824 | proj2->Scale(1.0 / proj3->GetFunction("pol0")->GetParameter(0)); |
| 825 | |
| 826 | proj2->SetLineColor(4); |
| f6093269 |
827 | proj2->SetMarkerStyle(7); |
| 828 | proj2->SetMarkerColor(4); |
| 829 | proj2->DrawCopy("SAME P"); |
| 830 | //legend2->AddEntry(proj2, Form("%d evts, FO > %d chips (%d evts)", nTrigger, cut, (Int_t) (nTrigger * ratio))); |
| 831 | legend2->AddEntry(proj2, Form("FO trigger > %d chips", cut)); |
| 9608df41 |
832 | |
| 833 | legend2->Draw(); |
| 834 | line->Draw(); |
| 835 | |
| 836 | canvas2->SaveAs(Form("%s.gif", canvas2->GetName())); |
| f6093269 |
837 | canvas2->SaveAs(Form("%s.eps", canvas2->GetName())); |
| 9608df41 |
838 | } |
| 839 | } |
| 840 | |
| f91bc12d |
841 | void AliHighMultiplicitySelector::Ntrigger() |
| 842 | { |
| 843 | // |
| 844 | // produces a spectrum created with N triggers |
| 845 | // number of triggers and thresholds for the moment fixed |
| 846 | // |
| 847 | |
| 848 | /* |
| 849 | |
| 850 | gSystem->Load("libPWG0base"); |
| 851 | .L AliHighMultiplicitySelector.cxx+g |
| 852 | x = new AliHighMultiplicitySelector(); |
| 853 | x->ReadHistograms("highmult_hijing100k.root"); |
| 854 | x->Ntrigger(); |
| 855 | |
| 856 | */ |
| 857 | |
| 858 | // get x-sections |
| 859 | TFile* file = TFile::Open("crosssectionEx.root"); |
| 860 | if (!file) |
| 861 | return; |
| 862 | |
| 863 | TH1* xSections[2]; |
| 864 | xSections[0] = dynamic_cast<TH1*> (gFile->Get("xSection2Ex")); |
| 865 | xSections[1] = dynamic_cast<TH1*> (gFile->Get("xSection15Ex")); |
| 866 | |
| 867 | // 10^28 lum --> 1.2 kHz |
| 868 | // 10^31 lum --> 1200 kHz |
| 869 | //Float_t rate = 1200e3; |
| 870 | Float_t rate = 1200e3; |
| 871 | |
| 872 | // time in s |
| 873 | Float_t lengthRun = 1e6; |
| 874 | |
| 875 | Int_t colors[] = { 2, 3, 4, 6, 7, 8 }; |
| 876 | Int_t markers[] = { 7, 2, 4, 5, 6, 27 }; |
| 877 | |
| 878 | // put to 2 for second layer |
| 879 | for (Int_t i=0; i<1; ++i) |
| 880 | { |
| 881 | if (!xSections[i]) |
| 882 | continue; |
| 883 | |
| 884 | TH1* xSection = xSections[i]; |
| 885 | TH2* fMvsL = (i == 0) ? fMvsL1: fMvsL2; |
| 886 | |
| 887 | Int_t nCuts = 6; |
| 888 | Int_t cuts[] = { 0, 164, 178, 190, 204, 216 }; |
| 889 | //Int_t nCuts = 4; |
| 890 | //Int_t cuts[] = { 0, 164, 190, 216 }; |
| 891 | // desired trigger rate in Hz |
| 892 | Float_t ratePerTrigger[] = { 100, 1, 1, 1, 1, 1 }; |
| 893 | |
| 894 | xSection->SetStats(kFALSE); |
| 895 | xSection->SetTitle(""); //(i == 0) ? "SPD Layer 1" : "SPD Layer 2"); |
| 896 | xSection->GetXaxis()->SetTitle(Form("true multiplicity in |#eta| < %.1f", (i == 0) ? 2.0 : 1.5)); |
| 897 | xSection->GetXaxis()->SetRangeUser(0, (i == 0) ? 450 : 350); |
| 898 | //xSection->GetYaxis()->SetTitle("relative cross section"); |
| 899 | xSection->GetYaxis()->SetTitleOffset(1.2); |
| 900 | |
| 901 | // relative x-section, once we have a collision |
| 902 | xSection->Scale(1.0 / xSection->Integral()); |
| 903 | |
| 904 | TCanvas* canvas2 = new TCanvas(Form("HMPlots2_%d_Random", i), Form("HMPlots2_%d_Random", i), 800, 600); |
| 905 | canvas2->SetTopMargin(0.05); |
| 906 | canvas2->SetRightMargin(0.05); |
| 907 | canvas2->SetLogy(); |
| 908 | xSection->DrawCopy("HIST"); |
| 909 | |
| 910 | TLegend* legend2 = new TLegend(0.15, 0.15, 0.6, 0.4); |
| 911 | legend2->SetFillColor(0); |
| 912 | legend2->AddEntry(xSection, "cross-section"); |
| 913 | |
| 914 | for (Int_t currentCut = 0; currentCut<nCuts; ++currentCut) |
| 915 | { |
| 916 | Int_t cut = cuts[currentCut]; |
| 917 | |
| 918 | TH1* proj = GetXSectionCut(xSection, fMvsL, cut); |
| 919 | |
| 920 | Double_t total = 0; |
| 921 | if (proj->Integral(1, 1000) > 0) |
| 922 | total = proj->Integral(1, 1000); |
| 923 | |
| 924 | printf("Cut at %d: rel. x-section = %e\n", cut, total); |
| 925 | |
| 926 | TH1* proj2 = (TH1*) proj->Clone("random2"); |
| 927 | proj2->Reset(); |
| 928 | |
| 929 | // calculate downscale factor |
| 930 | Float_t normalRate = rate * proj->Integral(1, 1000); |
| 931 | Float_t downScale = normalRate / ratePerTrigger[currentCut]; |
| 932 | if (downScale < 1) |
| 933 | downScale = 1; |
| 934 | Long64_t nTrigger = (Long64_t) (normalRate / downScale * lengthRun); |
| 935 | |
| 936 | Printf("Normal rate is %f, downscale: %f, Simulating %lld triggers", normalRate, downScale, nTrigger); |
| 937 | proj2->FillRandom(proj, nTrigger); |
| 938 | |
| 939 | Int_t removed = 0; |
| 940 | for (Int_t bin=1; bin<proj2->GetNbinsX(); ++bin) |
| 941 | if (proj2->GetBinContent(bin) < 5) |
| 942 | { |
| 943 | removed += (Int_t) proj2->GetBinContent(bin); |
| 944 | proj2->SetBinContent(bin, 0); |
| 945 | } |
| 946 | |
| 947 | Printf("Removed %d events", removed); |
| 948 | |
| 949 | proj2->Scale(1.0 / nTrigger * proj->Integral(1, 1000)); |
| 950 | |
| 951 | proj2->SetLineColor(colors[currentCut]); |
| 952 | proj2->SetMarkerStyle(markers[currentCut]); |
| 953 | proj2->SetMarkerColor(colors[currentCut]); |
| 954 | proj2->DrawCopy("SAME P"); |
| 955 | legend2->AddEntry(proj2, Form("%lld evts, FO > %d chips", nTrigger, cut)); |
| 956 | } |
| 957 | |
| 958 | legend2->Draw(); |
| 959 | |
| 960 | canvas2->SaveAs(Form("%s.gif", canvas2->GetName())); |
| 961 | canvas2->SaveAs(Form("%s.eps", canvas2->GetName())); |
| 962 | } |
| 963 | } |
| 964 | |
| 9608df41 |
965 | void AliHighMultiplicitySelector::DrawHistograms() |
| 966 | { |
| 967 | /* |
| 968 | |
| 969 | gSystem->Load("libPWG0base"); |
| 970 | .L AliHighMultiplicitySelector.cxx+ |
| 971 | x = new AliHighMultiplicitySelector(); |
| 972 | x->ReadHistograms("highmult_pythia.root"); |
| 973 | x->DrawHistograms(); |
| 974 | |
| 975 | |
| 976 | gSystem->Load("libPWG0base"); |
| 977 | .L AliHighMultiplicitySelector.cxx+ |
| 978 | x = new AliHighMultiplicitySelector(); |
| 979 | x->ReadHistograms("highmult_hijing.root"); |
| 980 | x->DrawHistograms(); |
| 981 | |
| 982 | gSystem->Load("libPWG0base"); |
| 983 | .L AliHighMultiplicitySelector.cxx+ |
| 984 | x = new AliHighMultiplicitySelector(); |
| 985 | x->ReadHistograms("highmult_central.root"); |
| 986 | x->DrawHistograms(); |
| 987 | |
| 988 | gSystem->Load("libPWG0base"); |
| 989 | .L AliHighMultiplicitySelector.cxx+ |
| 990 | x = new AliHighMultiplicitySelector(); |
| 991 | x->ReadHistograms("highmult_hijing100k.root"); |
| 992 | x->DrawHistograms(); |
| 993 | |
| 994 | */ |
| 995 | |
| 996 | /*TCanvas* canvas = new TCanvas("chips", "chips", 600, 400); |
| 997 | |
| 998 | fChipsLayer2->SetLineColor(2); |
| 999 | fChipsLayer2->SetStats(kFALSE); |
| 1000 | fChipsLayer1->SetStats(kFALSE); |
| 1001 | fChipsLayer2->SetTitle(""); |
| 1002 | fChipsLayer2->DrawCopy(); |
| 1003 | fChipsLayer1->DrawCopy("SAME"); |
| 1004 | canvas->SaveAs("chips.gif"); |
| 1005 | |
| 1006 | canvas = new TCanvas("L1vsL2", "L1vsL2", 600, 400); |
| 1007 | fL1vsL2->SetStats(kFALSE); |
| 1008 | fL1vsL2->DrawCopy("COLZ"); |
| 1009 | gPad->SetLogz(); |
| 1010 | canvas->SaveAs("L1vsL2.gif");*/ |
| 1011 | |
| f6093269 |
1012 | TCanvas *canvas = new TCanvas("L1", "L1", 800, 600); |
| 1013 | canvas->SetTopMargin(0.05); |
| 1014 | canvas->SetRightMargin(0.12); |
| 9608df41 |
1015 | fMvsL1->SetStats(kFALSE); |
| 1016 | fMvsL1->DrawCopy("COLZ"); |
| 1017 | gPad->SetLogz(); |
| 1018 | |
| 1019 | canvas->SaveAs("L1NoCurve.gif"); |
| f6093269 |
1020 | canvas->SaveAs("L1NoCurve.eps"); |
| 9608df41 |
1021 | |
| 1022 | // draw corresponding theoretical curve |
| 1023 | TF1* func = new TF1("func", "[0]*(1-(1-1/[0])**x)", 1, 1000); |
| 1024 | func->SetParameter(0, 400-5*2); |
| 1025 | func->DrawCopy("SAME"); |
| 1026 | |
| 1027 | canvas->SaveAs("L1.gif"); |
| 1028 | |
| 1029 | canvas = new TCanvas("L2", "L2", 600, 400); |
| 1030 | //fMvsL2->GetYaxis()->SetRangeUser(0, 150); |
| 1031 | fMvsL2->SetStats(kFALSE); |
| 1032 | fMvsL2->DrawCopy("COLZ"); |
| 1033 | gPad->SetLogz(); |
| 1034 | func->SetParameter(0, 800-5*4); |
| 1035 | func->DrawCopy("SAME"); |
| 1036 | canvas->SaveAs("L2.gif"); |
| 1037 | |
| f6093269 |
1038 | // get x-sections |
| 1039 | TFile* file = TFile::Open("crosssectionEx.root"); |
| 1040 | if (file) |
| 1041 | { |
| 1042 | TH1* xSection2 = dynamic_cast<TH1*> (gFile->Get("xSection2Ex")); |
| 1043 | TH1* xSection15 = dynamic_cast<TH1*> (gFile->Get("xSection15Ex")); |
| 1044 | |
| 1045 | MakeGraphs2("Layer1", xSection2, fMvsL1); |
| 1046 | return; |
| 1047 | |
| 1048 | // 5 times the mean |
| 1049 | //MakeGraphs("Layer1", xSection2, fMvsL1, (Int_t) (xSection2->GetMean() * 5)); //75 * 2 * 2); |
| 1050 | //MakeGraphs("Layer2", xSection15, fMvsL2, (Int_t) (xSection15->GetMean() * 5)); //(Int_t) (75 * 1.5 * 2)); |
| 1051 | |
| 1052 | MakeGraphs("Layer1", xSection2, fMvsL1, (Int_t) (xSection2->GetMean() * 8)); |
| 1053 | MakeGraphs("Layer2", xSection15, fMvsL2, (Int_t) (xSection15->GetMean() * 8)); |
| 1054 | MakeGraphs("Layer1", xSection2, fMvsL1, (Int_t) (xSection2->GetMean() * 9)); |
| 1055 | MakeGraphs("Layer2", xSection15, fMvsL2, (Int_t) (xSection15->GetMean() * 9)); |
| 1056 | MakeGraphs("Layer1", xSection2, fMvsL1, (Int_t) (xSection2->GetMean() * 10)); |
| 1057 | MakeGraphs("Layer2", xSection15, fMvsL2, (Int_t) (xSection15->GetMean() * 10)); |
| 1058 | |
| 1059 | file->Close(); |
| 1060 | } |
| 1061 | |
| 9608df41 |
1062 | // make spread hists |
| 1063 | TGraph* spread = new TGraph; |
| 1064 | spread->SetTitle("Spread L1;true multiplicity;RMS"); |
| 1065 | |
| 1066 | for (Int_t i=1; i<=fMvsL1->GetNbinsX(); ++i) |
| 1067 | { |
| 1068 | TH1* proj = fMvsL1->ProjectionY("proj", i, i); |
| 1069 | spread->SetPoint(spread->GetN(), i, proj->GetRMS()); |
| 1070 | } |
| 1071 | |
| 1072 | canvas = new TCanvas("SpreadL1", "SpreadL1", 600, 400); |
| 1073 | spread->Draw("A*"); |
| 1074 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 1075 | |
| 1076 | TF1* log = new TF1("log", "[0]*log([1]*x)", 1, 150); |
| 1077 | log->SetParLimits(0, 0, 10); |
| 1078 | log->SetParLimits(1, 1e-5, 10); |
| 1079 | |
| 1080 | spread->Fit(log, "", "", 1, 150); |
| 1081 | log->DrawCopy("SAME"); |
| 1082 | |
| 1083 | TGraph* spread2 = new TGraph; |
| 1084 | spread2->SetTitle("Spread L2;true multiplicity;RMS"); |
| 1085 | |
| 1086 | for (Int_t i=1; i<=fMvsL1->GetNbinsX(); ++i) |
| 1087 | { |
| 1088 | TH1* proj = fMvsL2->ProjectionY("proj", i, i); |
| 1089 | spread2->SetPoint(spread2->GetN(), i, proj->GetRMS()); |
| 1090 | } |
| 1091 | |
| 1092 | canvas = new TCanvas("SpreadL2", "SpreadL2", 600, 400); |
| 1093 | spread2->Draw("A*"); |
| 1094 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 1095 | |
| 1096 | spread2->Fit(log, "", "", 1, 150); |
| 1097 | log->DrawCopy("SAME"); |
| 1098 | |
| 9608df41 |
1099 | canvas = new TCanvas("Clusters_L1", "Clusters_L1", 600, 400); |
| 1100 | fClvsL1->SetStats(kFALSE); |
| 1101 | fClvsL1->DrawCopy("COLZ"); |
| 1102 | gPad->SetLogz(); |
| 1103 | |
| 1104 | func->SetParameter(0, 400-5*2); |
| 1105 | func->DrawCopy("SAME"); |
| 1106 | |
| 1107 | canvas->SaveAs("Clusters_L1.gif"); |
| 1108 | |
| 1109 | canvas = new TCanvas("Clusters_L2", "Clusters_L2", 600, 400); |
| 1110 | fClvsL2->SetStats(kFALSE); |
| 1111 | fClvsL2->DrawCopy("COLZ"); |
| 1112 | gPad->SetLogz(); |
| 1113 | func->SetParameter(0, 800-5*4); |
| 1114 | func->DrawCopy("SAME"); |
| 1115 | canvas->SaveAs("Clusters_L2.gif"); |
| 1116 | |
| 1117 | canvas = new TCanvas("ChipsFired", "ChipsFired", 600, 400); |
| 1118 | //fChipsFired->GetYaxis()->SetRangeUser(0, 150); |
| 1119 | fChipsFired->SetStats(kFALSE); |
| 1120 | fChipsFired->DrawCopy("COLZ"); |
| 1121 | canvas->SaveAs("ChipsFired.gif"); |
| 1122 | |
| 1123 | /*TH1F* tresholdHistL1 = new TH1F("tresholdHistL1", ";chip treshold;<n>", BINNING_LAYER1); |
| 1124 | TH1F* tresholdHistL2 = new TH1F("tresholdHistL2", ";chip treshold;<n>", BINNING_LAYER2); |
| 1125 | |
| 1126 | for (Int_t treshold = 0; treshold < 800; treshold++) |
| 1127 | { |
| 1128 | if (fPrimaryL1->Draw("multiplicity>>mult", Form("firedChips>%d", treshold), "goff") > 0) |
| 1129 | { |
| 1130 | TH1F* mult = dynamic_cast<TH1F*> (fPrimaryL1->GetHistogram()); |
| 1131 | if (mult) |
| 1132 | tresholdHistL1->Fill(treshold, mult->GetMean()); |
| 1133 | } |
| 1134 | if (fPrimaryL2->Draw("multiplicity>>mult", Form("firedChips>%d", treshold), "goff") > 0) |
| 1135 | { |
| 1136 | TH1F* mult = dynamic_cast<TH1F*> (fPrimaryL2->GetHistogram()); |
| 1137 | if (mult) |
| 1138 | tresholdHistL2->Fill(treshold, mult->GetMean()); |
| 1139 | } |
| 1140 | } |
| 1141 | |
| 1142 | canvas = new TCanvas("TresholdL1", "TresholdL1", 600, 400); |
| 1143 | tresholdHistL1->Draw(); |
| 1144 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 1145 | |
| 1146 | canvas = new TCanvas("TresholdL2", "TresholdL2", 600, 400); |
| 1147 | tresholdHistL2->Draw(); |
| 1148 | canvas->SaveAs(Form("%s.gif", canvas->GetName()));*/ |
| 1149 | |
| 1150 | fPrimaryL1->Draw("(chipsByPrimaries/firedChips):multiplicity>>eff1", "", "prof goff"); |
| 1151 | fPrimaryL2->Draw("(chipsByPrimaries/firedChips):multiplicity>>eff2", "", "prof goff"); |
| 1152 | |
| 1153 | canvas = new TCanvas("Efficiency", "Efficiency", 600, 400); |
| 1154 | fPrimaryL1->GetHistogram()->SetStats(kFALSE); |
| 1155 | fPrimaryL1->GetHistogram()->Draw(); |
| 1156 | fPrimaryL2->GetHistogram()->SetLineColor(2); |
| 1157 | fPrimaryL2->GetHistogram()->SetStats(kFALSE); |
| 1158 | fPrimaryL2->GetHistogram()->Draw("SAME"); |
| 1159 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 1160 | |
| 1161 | canvas = new TCanvas("ClustersZL1", "ClustersZL1", 600, 400); |
| 1162 | fClusterZL1->Rebin(2); |
| 1163 | fClusterZL1->Draw(); |
| 1164 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 1165 | |
| 1166 | canvas = new TCanvas("ClustersZL2", "ClustersZL2", 600, 400); |
| 1167 | fClusterZL2->Draw(); |
| 1168 | fClusterZL2->Rebin(2); |
| 1169 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 1170 | } |
git://git.uio.no / u / mrichter / AliRoot.git / blame