| 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 | // |
| a9aed06c |
33 | // Selector that produces plots needed for the high multiplicity analysis with the |
| 34 | // pixel detector |
| 35 | // Needs cluster file |
| 9608df41 |
36 | // |
| 37 | |
| 38 | ClassImp(AliHighMultiplicitySelector) |
| 39 | |
| 40 | AliHighMultiplicitySelector::AliHighMultiplicitySelector() : |
| 41 | AliSelectorRL(), |
| 42 | fChipsLayer1(0), |
| 43 | fChipsLayer2(0), |
| 44 | fL1vsL2(0), |
| 45 | fMvsL1(0), |
| 46 | fMvsL2(0), |
| 47 | fChipsFired(0), |
| 48 | fPrimaryL1(0), |
| 49 | fPrimaryL2(0), |
| 50 | fClusterZL1(0), |
| 51 | fClusterZL2(0), |
| 52 | fClvsL1(0), |
| 53 | fClvsL2(0), |
| a9aed06c |
54 | fCentralRegion(kFALSE) |
| 9608df41 |
55 | { |
| 56 | // |
| 57 | // Constructor. Initialization of pointers |
| 58 | // |
| 59 | } |
| 60 | |
| 61 | AliHighMultiplicitySelector::~AliHighMultiplicitySelector() |
| 62 | { |
| 63 | // |
| 64 | // Destructor |
| 65 | // |
| 66 | |
| 67 | // histograms are in the output list and deleted when the output |
| 68 | // list is deleted by the TSelector dtor |
| 69 | } |
| 70 | |
| 71 | void AliHighMultiplicitySelector::SlaveBegin(TTree *tree) |
| 72 | { |
| a9aed06c |
73 | // create histograms |
| 74 | |
| 9608df41 |
75 | AliSelectorRL::SlaveBegin(tree); |
| 76 | |
| 77 | fChipsFired = new TH2F("fChipsFired", ";Module;Chip;Count", 240, -0.5, 239.5, 5, -0.5, 4.5); |
| 78 | |
| 79 | fPrimaryL1 = new TNtuple("fPrimaryL1", "", "multiplicity:firedChips:chipsByPrimaries:clusters"); |
| 80 | fPrimaryL2 = new TNtuple("fPrimaryL2", "", "multiplicity:firedChips:chipsByPrimaries:clusters"); |
| 81 | |
| 82 | fClusterZL1 = new TH1F("fClusterZL1", ";z", 400, -20, 20); |
| 83 | fClusterZL2 = new TH1F("fClusterZL2", ";z", 400, -20, 20); |
| 84 | } |
| 85 | |
| 86 | void AliHighMultiplicitySelector::Init(TTree* tree) |
| 87 | { |
| 88 | // read the user objects |
| 89 | |
| 90 | AliSelectorRL::Init(tree); |
| 91 | |
| 92 | // enable only the needed branches |
| 93 | if (tree) |
| 94 | { |
| 95 | tree->SetBranchStatus("*", 0); |
| 96 | tree->SetBranchStatus("fTriggerMask", 1); |
| 97 | |
| 98 | /*if (fTree->GetCurrentFile()) |
| 99 | { |
| 100 | TString fileName(fTree->GetCurrentFile()->GetName()); |
| 101 | fileName.ReplaceAll("AliESDs", "geometry"); |
| 102 | |
| 103 | // load geometry |
| 104 | TGeoManager::Import(fileName); |
| 105 | }*/ |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | Bool_t AliHighMultiplicitySelector::Process(Long64_t entry) |
| 110 | { |
| 111 | // |
| 112 | // processing |
| 113 | // |
| 114 | |
| 115 | if (AliSelectorRL::Process(entry) == kFALSE) |
| 116 | return kFALSE; |
| 117 | |
| 118 | // Check prerequisites |
| 119 | if (!fESD) |
| 120 | { |
| 121 | AliDebug(AliLog::kError, "ESD branch not available"); |
| 122 | return kFALSE; |
| 123 | } |
| 124 | |
| 125 | Bool_t eventTriggered = AliPWG0Helper::IsEventTriggered(fESD, AliPWG0Helper::kMB1); |
| 126 | |
| 127 | if (!eventTriggered) |
| 128 | { |
| 129 | AliDebug(AliLog::kDebug, "Event not triggered. Skipping."); |
| 130 | return kTRUE; |
| 131 | } |
| 132 | |
| 133 | AliStack* stack = GetStack(); |
| 134 | if (!stack) |
| 135 | { |
| 136 | AliDebug(AliLog::kError, "Stack not available"); |
| 137 | return kFALSE; |
| 138 | } |
| 139 | |
| 140 | Int_t nPrim = stack->GetNprimary(); |
| 141 | Int_t multiplicity21 = 0; |
| 142 | Int_t multiplicity16 = 0; |
| 143 | |
| 144 | for (Int_t iMc = 0; iMc < nPrim; ++iMc) |
| 145 | { |
| 146 | AliDebug(AliLog::kDebug+1, Form("MC Loop: Processing particle %d.", iMc)); |
| 147 | |
| 148 | TParticle* particle = stack->Particle(iMc); |
| 149 | |
| 150 | if (!particle) |
| 151 | { |
| 152 | AliDebug(AliLog::kError, Form("UNEXPECTED: particle with label %d not found in stack (mc loop).", iMc)); |
| 153 | continue; |
| 154 | } |
| 155 | |
| 156 | if (AliPWG0Helper::IsPrimaryCharged(particle, nPrim) == kFALSE) |
| 157 | continue; |
| 158 | |
| a9aed06c |
159 | if (fCentralRegion) |
| 9608df41 |
160 | { |
| 161 | if (TMath::Abs(particle->Eta()) < 1.05) |
| 162 | multiplicity21++; |
| 163 | if (TMath::Abs(particle->Eta()) < 0.8) |
| 164 | multiplicity16++; |
| 165 | } |
| 166 | else |
| 167 | { |
| 168 | if (TMath::Abs(particle->Eta()) < 2.1) |
| 169 | multiplicity21++; |
| 170 | if (TMath::Abs(particle->Eta()) < 1.6) |
| 171 | multiplicity16++; |
| 172 | } |
| 173 | }// end of mc particle |
| 174 | |
| 175 | AliRunLoader* runLoader = GetRunLoader(); |
| 176 | if (!runLoader) |
| 177 | { |
| 178 | AliDebug(AliLog::kError, "runloader not available"); |
| 179 | return kFALSE; |
| 180 | } |
| 181 | |
| 182 | // TDirectory::TContext restores the current directory is restored when the scope ends. |
| 183 | // This helps around ROOT bug #26025 and is good behaviour anyway |
| 184 | TDirectory::TContext context(0); |
| 185 | AliITSLoader* loader = (AliITSLoader*) runLoader->GetLoader( "ITSLoader" ); |
| 186 | loader->LoadDigits("READ"); |
| 187 | TTree* treeD = loader->TreeD(); |
| 188 | if (!treeD) |
| 189 | { |
| 190 | AliDebug(AliLog::kError, "Could not retrieve TreeD of ITS"); |
| 191 | return kFALSE; |
| 192 | } |
| 193 | |
| 194 | treeD->SetBranchStatus("*", 0); |
| 195 | treeD->SetBranchStatus("ITSDigitsSPD.fTracks*", 1); |
| 196 | treeD->SetBranchStatus("ITSDigitsSPD.fCoord1", 1); |
| 197 | |
| 198 | TClonesArray* digits = 0; |
| 199 | treeD->SetBranchAddress("ITSDigitsSPD", &digits); |
| 200 | if (digits); |
| 201 | digits->Clear(); |
| 202 | |
| 203 | // each value for both layers |
| 204 | Int_t totalNumberOfFO[2]; |
| 205 | Int_t chipsHitByPrimaries[2]; |
| 206 | //Int_t chipsHitBySecondaries[2]; |
| 207 | |
| 208 | for (Int_t i=0; i<2; ++i) |
| 209 | { |
| 210 | totalNumberOfFO[i] = 0; |
| 211 | chipsHitByPrimaries[i] = 0; |
| 212 | //chipsHitBySecondaries[i] = 0; |
| 213 | } |
| 214 | |
| 215 | Int_t startSPD = 0; //geom->GetStartSPD(); |
| 216 | Int_t lastSPD = 239; //geom->GetLastSPD(); |
| 217 | |
| 218 | //printf("%d %d\n", startSPD, lastSPD); |
| 219 | // for (Int_t l=0; l<240; ++l) { AliITSgeomTGeo::GetModuleId(l, i, j, k); printf("%d --> %d\n", l, i); } |
| 220 | |
| 221 | // loop over modules (ladders) |
| 222 | for (Int_t moduleIndex=startSPD; moduleIndex<lastSPD+1; moduleIndex++) |
| 223 | { |
| a9aed06c |
224 | if (fCentralRegion) |
| 9608df41 |
225 | { |
| 226 | if ((moduleIndex % 4) == 0 || (moduleIndex % 4) == 3) |
| 227 | continue; |
| 228 | } |
| 229 | |
| 230 | Int_t currentLayer = 0; |
| 231 | if (moduleIndex >= 80) |
| 232 | currentLayer = 1; |
| 233 | |
| 234 | treeD->GetEvent(moduleIndex); |
| 235 | |
| 236 | // get number of digits in this module |
| 237 | Int_t ndigitsInModule = digits->GetEntriesFast(); |
| 238 | |
| 239 | // get number of digits in each chip of the module |
| 240 | Int_t ndigitsInChip[5]; |
| 241 | Bool_t hitByPrimary[5]; |
| 242 | for( Int_t iChip=0; iChip<5; iChip++) |
| 243 | { |
| 244 | ndigitsInChip[iChip]=0; |
| 245 | hitByPrimary[iChip] = kFALSE; |
| 246 | } |
| 247 | |
| 248 | // loop over digits in this module |
| 249 | for (Int_t iDig=0; iDig<ndigitsInModule; iDig++) |
| 250 | { |
| 251 | AliITSdigitSPD* dp = (AliITSdigitSPD*) digits->At(iDig); |
| 252 | Int_t column = dp->GetCoord1(); |
| 253 | Int_t isChip = column / 32; |
| 254 | |
| 255 | //printf("Digit %d has column %d which translates to chip %d\n", iDig, column, isChip); |
| 256 | |
| 257 | fChipsFired->Fill(moduleIndex, isChip); |
| 258 | |
| 259 | ndigitsInChip[isChip]++; |
| 260 | |
| 261 | Bool_t debug = kFALSE; |
| 262 | |
| 263 | // find out which particle caused this chip to fire |
| 264 | // if we find at least one primary we consider this chip being fired by a primary |
| 265 | for (Int_t track=0; track<10; ++track) |
| 266 | { |
| 267 | Int_t label = dp->GetTrack(track); |
| 268 | |
| 269 | if (label < 0) |
| 270 | continue; |
| 271 | |
| 272 | if (debug) |
| 273 | printf("track %d contains label %d\n", track, label); |
| 274 | |
| 275 | TParticle* particle = stack->Particle(label); |
| 276 | |
| 277 | if (!particle) |
| 278 | { |
| 279 | AliDebug(AliLog::kError, Form("UNEXPECTED: particle with label %d not found in stack (digit loop).", label)); |
| 280 | continue; |
| 281 | } |
| 282 | |
| 283 | if (debug) |
| 284 | { |
| 285 | particle->Print(); |
| 286 | printf("statuscode = %d, p = %f, m = %d\n", particle->GetStatusCode(), particle->P(), particle->GetFirstMother()); |
| 287 | } |
| 288 | |
| 289 | // TODO delta electrons should be traced back to their mother. this is e.g. solved in AliITSClusterFinderV2::CheckLabels2 |
| 290 | while (particle->P() < 0.02 && particle->GetStatusCode() == 0 && particle->GetFirstMother() >= 0) |
| 291 | { |
| 292 | label = particle->GetFirstMother(); |
| 293 | particle = stack->Particle(label); |
| 294 | |
| 295 | if (!particle) |
| 296 | break; |
| 297 | |
| 298 | if (debug) |
| 299 | { |
| 300 | printf("-->\n"); |
| 301 | printf("statuscode = %d, p = %f, m = %d\n", particle->GetStatusCode(), particle->P(), particle->GetFirstMother()); |
| 302 | particle->Print(); |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | if (!particle) |
| 307 | { |
| 308 | AliDebug(AliLog::kError, Form("UNEXPECTED: particle with label %d not found in stack (digit loop, finding delta electrons).", label)); |
| 309 | continue; |
| 310 | } |
| 311 | |
| 312 | if (label > nPrim) |
| 313 | continue; |
| 314 | |
| 315 | if (AliPWG0Helper::IsPrimaryCharged(particle, nPrim) == kFALSE) |
| 316 | continue; |
| 317 | |
| 318 | if (debug) |
| 319 | printf("This was a primary (or delta-electron of a primary)!\n"); |
| 320 | |
| 321 | hitByPrimary[isChip] = kTRUE; |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | // get number of FOs in the module |
| 326 | for (Int_t ifChip=0; ifChip<5; ifChip++) |
| 327 | if( ndigitsInChip[ifChip] >= 1 ) |
| 328 | { |
| 329 | totalNumberOfFO[currentLayer]++; |
| 330 | if (hitByPrimary[ifChip]) |
| 331 | { |
| 332 | chipsHitByPrimaries[currentLayer]++; |
| 333 | } |
| 334 | //else |
| 335 | // chipsHitBySecondaries[currentLayer]++; |
| 336 | } |
| 337 | } |
| 338 | |
| 339 | //printf("Fired chips: %d %d\n", totalNumberOfFOLayer1, totalNumberOfFOLayer2); |
| 340 | |
| 341 | // now find clusters |
| 342 | Int_t clustersLayer[2]; |
| 343 | clustersLayer[0] = 0; |
| 344 | clustersLayer[1] = 0; |
| 345 | |
| 346 | loader->LoadRecPoints("READ"); |
| 347 | TTree* treeR = loader->TreeR(); |
| 348 | if (!treeR) |
| 349 | { |
| 350 | AliDebug(AliLog::kError, "Could not retrieve TreeR of ITS"); |
| 351 | return kFALSE; |
| 352 | } |
| 353 | |
| 354 | // TODO branches! |
| 355 | //treeR->SetBranchStatus("*", 0); |
| 356 | |
| 357 | TClonesArray* itsClusters = 0; |
| 358 | treeR->SetBranchAddress("ITSRecPoints", &itsClusters); |
| 359 | |
| 360 | Int_t nTreeEntries = treeR->GetEntries(); |
| 361 | for (Int_t iEntry = 0; iEntry < nTreeEntries; ++iEntry) |
| 362 | { |
| 363 | if (!treeR->GetEvent(iEntry)) |
| 364 | continue; |
| 365 | |
| 366 | Int_t nClusters = itsClusters->GetEntriesFast(); |
| 367 | |
| 368 | while(nClusters--) |
| 369 | { |
| 370 | AliITSRecPoint* cluster = (AliITSRecPoint*) itsClusters->UncheckedAt(nClusters); |
| 371 | |
| 372 | if (cluster->GetLayer() == 0) |
| 373 | { |
| 374 | clustersLayer[0]++; |
| 375 | fClusterZL1->Fill(cluster->GetZ()); |
| 376 | } |
| 377 | else if (cluster->GetLayer() == 1) |
| 378 | { |
| 379 | clustersLayer[1]++; |
| 380 | fClusterZL2->Fill(cluster->GetZ()); |
| 381 | } |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | fPrimaryL1->Fill(multiplicity21, totalNumberOfFO[0], chipsHitByPrimaries[0], clustersLayer[0]); |
| 386 | fPrimaryL2->Fill(multiplicity16, totalNumberOfFO[1], chipsHitByPrimaries[1], clustersLayer[1]); |
| 387 | |
| 388 | return kTRUE; |
| 389 | } |
| 390 | |
| 391 | Bool_t AliHighMultiplicitySelector::Notify() |
| 392 | { |
| a9aed06c |
393 | // get next ITS runloader |
| 394 | |
| 9608df41 |
395 | AliRunLoader* runLoader = GetRunLoader(); |
| 396 | |
| 397 | if (runLoader) |
| 398 | { |
| 399 | AliITSLoader* loader = (AliITSLoader* )runLoader->GetLoader( "ITSLoader" ); |
| 400 | if (loader) |
| 401 | { |
| 402 | loader->UnloadDigits(); |
| 403 | loader->UnloadRecPoints(); |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | return AliSelectorRL::Notify(); |
| 408 | } |
| 409 | |
| 410 | void AliHighMultiplicitySelector::SlaveTerminate() |
| 411 | { |
| 412 | // The SlaveTerminate() function is called after all entries or objects |
| 413 | // have been processed. When running with PROOF SlaveTerminate() is called |
| 414 | // on each slave server. |
| 415 | |
| 416 | AliSelectorRL::SlaveTerminate(); |
| 417 | |
| 418 | // Add the histograms to the output on each slave server |
| 419 | if (!fOutput) |
| 420 | { |
| 421 | AliDebug(AliLog::kError, "ERROR: Output list not initialized."); |
| 422 | return; |
| 423 | } |
| 424 | |
| 425 | fOutput->Add(fChipsFired); |
| 426 | fOutput->Add(fPrimaryL1); |
| 427 | fOutput->Add(fPrimaryL2); |
| 428 | fOutput->Add(fClusterZL1); |
| 429 | fOutput->Add(fClusterZL2); |
| 430 | } |
| 431 | |
| 432 | void AliHighMultiplicitySelector::Terminate() |
| 433 | { |
| 434 | // The Terminate() function is the last function to be called during |
| 435 | // a query. It always runs on the client, it can be used to present |
| 436 | // the results graphically or save the results to file. |
| 437 | |
| 438 | AliSelectorRL::Terminate(); |
| 439 | |
| 440 | fChipsFired = dynamic_cast<TH2F*> (fOutput->FindObject("fChipsFired")); |
| 441 | fPrimaryL1 = dynamic_cast<TNtuple*> (fOutput->FindObject("fPrimaryL1")); |
| 442 | fPrimaryL2 = dynamic_cast<TNtuple*> (fOutput->FindObject("fPrimaryL2")); |
| 443 | fClusterZL1 = dynamic_cast<TH1F*> (fOutput->FindObject("fClusterZL1")); |
| 444 | fClusterZL2 = dynamic_cast<TH1F*> (fOutput->FindObject("fClusterZL2")); |
| 445 | |
| 446 | if (!fClusterZL1 || !fClusterZL2 || !fChipsFired || !fPrimaryL1 || !fPrimaryL2) |
| 447 | { |
| 448 | AliError("Histograms not available"); |
| 449 | return; |
| 450 | } |
| 451 | |
| 452 | WriteHistograms(); |
| 453 | } |
| 454 | |
| 455 | void AliHighMultiplicitySelector::WriteHistograms(const char* filename) |
| 456 | { |
| a9aed06c |
457 | // write the histograms to a file |
| 458 | |
| 9608df41 |
459 | TFile* file = TFile::Open(filename, "RECREATE"); |
| 460 | |
| 461 | fChipsFired->Write(); |
| 462 | fPrimaryL1->Write(); |
| 463 | fPrimaryL2->Write(); |
| 464 | fClusterZL1->Write(); |
| 465 | fClusterZL2->Write(); |
| 466 | |
| 467 | file->Close(); |
| 468 | } |
| 469 | |
| 470 | void AliHighMultiplicitySelector::ReadHistograms(const char* filename) |
| 471 | { |
| a9aed06c |
472 | // read the data from a file and fill histograms |
| 473 | |
| 9608df41 |
474 | TFile* file = TFile::Open(filename); |
| 475 | |
| 476 | if (!file) |
| 477 | return; |
| 478 | |
| 479 | fPrimaryL1 = dynamic_cast<TNtuple*> (file->Get("fPrimaryL1")); |
| 480 | fPrimaryL2 = dynamic_cast<TNtuple*> (file->Get("fPrimaryL2")); |
| 481 | fChipsFired = dynamic_cast<TH2F*> (file->Get("fChipsFired")); |
| 482 | fClusterZL1 = dynamic_cast<TH1F*> (file->Get("fClusterZL1")); |
| 483 | fClusterZL2 = dynamic_cast<TH1F*> (file->Get("fClusterZL2")); |
| 484 | |
| 485 | #define MULT 1001, -0.5, 1000.5 |
| 486 | #define BINNING_LAYER1 401, -0.5, 400.5 |
| 487 | #define BINNING_LAYER2 801, -0.5, 800.5 |
| 488 | |
| 489 | fChipsLayer1 = new TH1F("fChipsLayer1", "Layer 1;Fired Chips;Count", BINNING_LAYER1); |
| 490 | fChipsLayer2 = new TH1F("fChipsLayer2", "Layer 2;Fired Chips;Count", BINNING_LAYER2); |
| 491 | |
| 492 | fL1vsL2 = new TH2F("fL1vsL2", ";Fired Chips Layer 1;Fired Chips Layer 2", BINNING_LAYER1, BINNING_LAYER2); |
| 493 | fMvsL1 = new TH2F("fMvsL1", ";true multiplicity;fired chips layer1", MULT, BINNING_LAYER1); |
| 494 | fMvsL2 = new TH2F("fMvsL2", ";true multiplicity;fired chips layer2", MULT, BINNING_LAYER2); |
| 495 | |
| 496 | fClvsL1 = new TH2F("fClvsL1", ";clusters layer1;fired chips layer1", MULT, BINNING_LAYER1); |
| 497 | fClvsL2 = new TH2F("fClvsL2", ";clusters layer2;fired chips layer2", MULT, BINNING_LAYER2); |
| 498 | |
| 499 | for (Int_t i = 0; i < fPrimaryL1->GetEntries(); i++) |
| 500 | { |
| 501 | fPrimaryL1->GetEvent(i); |
| 502 | fPrimaryL2->GetEvent(i); |
| 503 | |
| 504 | Int_t multiplicity21 = (Int_t) fPrimaryL1->GetArgs()[0]; |
| 505 | Int_t multiplicity16 = (Int_t) fPrimaryL2->GetArgs()[0]; |
| 506 | |
| 507 | Int_t totalNumberOfFO[2]; |
| 508 | totalNumberOfFO[0] = (Int_t) fPrimaryL1->GetArgs()[1]; |
| 509 | totalNumberOfFO[1] = (Int_t) fPrimaryL2->GetArgs()[1]; |
| 510 | |
| 511 | Int_t chipsHitByPrimaries[2]; |
| 512 | chipsHitByPrimaries[0] = (Int_t) fPrimaryL1->GetArgs()[2]; |
| 513 | chipsHitByPrimaries[1] = (Int_t) fPrimaryL2->GetArgs()[2]; |
| 514 | |
| 515 | Int_t clustersLayer[2]; |
| 516 | clustersLayer[0] = (Int_t) fPrimaryL1->GetArgs()[3]; |
| 517 | clustersLayer[1] = (Int_t) fPrimaryL2->GetArgs()[3]; |
| 518 | |
| 519 | fChipsLayer1->Fill(totalNumberOfFO[0]); |
| 520 | fChipsLayer2->Fill(totalNumberOfFO[1]); |
| 521 | |
| 522 | fL1vsL2->Fill(totalNumberOfFO[0], totalNumberOfFO[1]); |
| 523 | |
| 524 | fMvsL1->Fill(multiplicity21, totalNumberOfFO[0]); |
| 525 | fMvsL2->Fill(multiplicity16, totalNumberOfFO[1]); |
| 526 | |
| 527 | fClvsL1->Fill(clustersLayer[0], totalNumberOfFO[0]); |
| 528 | fClvsL2->Fill(clustersLayer[1], totalNumberOfFO[1]); |
| 529 | } |
| 530 | } |
| 531 | |
| f6093269 |
532 | TH1* AliHighMultiplicitySelector::GetTriggerEfficiency(TH2* multVsLayer, Int_t cut) |
| 9608df41 |
533 | { |
| f6093269 |
534 | // |
| 535 | // returns the trigger efficiency as function of multiplicity with a given cut |
| 536 | // |
| 9608df41 |
537 | |
| 538 | //cut and multiply with x-section |
| f6093269 |
539 | TH1* allEvents = multVsLayer->ProjectionX("fMvsL_x_total", 1, 1001); |
| 9608df41 |
540 | //allEvents->Sumw2(); |
| 541 | |
| 542 | //cut and multiply with x-section |
| f6093269 |
543 | TH1* proj = multVsLayer->ProjectionX(Form("%s_x", multVsLayer->GetName()), cut, 1001); |
| 9608df41 |
544 | //proj->Sumw2(); |
| 545 | |
| f6093269 |
546 | //new TCanvas; allEvents->DrawCopy(); gPad->SetLogy(); |
| 547 | //new TCanvas; proj->DrawCopy(); gPad->SetLogy(); |
| 9608df41 |
548 | |
| 549 | // make probability distribution out of it |
| 550 | // TODO binomial errors do not work??? weird... |
| 551 | proj->Divide(proj, allEvents, 1, 1, "B"); |
| 552 | |
| f6093269 |
553 | return proj; |
| 554 | } |
| 555 | |
| 556 | TH1* AliHighMultiplicitySelector::GetXSectionCut(TH1* xSection, TH2* multVsLayer, Int_t cut) |
| 557 | { |
| 558 | // returns the rel. cross section of the true spectrum that is measured when a cut at <cut> is performed |
| 559 | |
| 560 | TH1* proj = GetTriggerEfficiency(multVsLayer, cut); |
| 561 | |
| 562 | //new TCanvas; proj->DrawCopy(); gPad->SetLogy(); |
| 9608df41 |
563 | |
| 564 | for (Int_t i=1; i<=proj->GetNbinsX(); i++) |
| 565 | { |
| 566 | if (i <= xSection->GetNbinsX()) |
| 567 | { |
| 568 | Double_t value = proj->GetBinContent(i) * xSection->GetBinContent(i); |
| 569 | Double_t error = 0; |
| 570 | |
| 571 | if (value != 0) |
| 572 | error = value * (proj->GetBinError(i) / proj->GetBinContent(i) + xSection->GetBinError(i) / xSection->GetBinContent(i)); |
| 573 | |
| 574 | proj->SetBinContent(i, value); |
| 575 | proj->SetBinError(i, error); |
| 576 | } |
| 577 | else |
| 578 | { |
| 579 | proj->SetBinContent(i, 0); |
| 580 | proj->SetBinError(i, 0); |
| 581 | } |
| 582 | } |
| 583 | |
| f6093269 |
584 | //new TCanvas; proj->DrawCopy(); gPad->SetLogy(); |
| 9608df41 |
585 | |
| 586 | return proj; |
| 587 | } |
| 588 | |
| f6093269 |
589 | void AliHighMultiplicitySelector::MakeGraphs2(const char* title, TH1* xSection, TH2* fMvsL) |
| 9608df41 |
590 | { |
| a9aed06c |
591 | // creates graphs |
| 592 | |
| f6093269 |
593 | TGraph* effGraph = new TGraph; |
| 594 | effGraph->SetTitle(Form("%s;Cut on fired chips;mult. where eff. >50%%", title)); |
| 595 | TGraph* ratioGraph = new TGraph; |
| 596 | ratioGraph->SetTitle(Form("%s;Cut on fired chips;x-section_(>=eff. limit) / x-section_(total)", title)); |
| 597 | TGraph* totalGraph = new TGraph; |
| 598 | totalGraph->SetTitle(Form("%s;Cut on fired chips;rel x-section_(>=eff. limit)", title)); |
| 599 | |
| 600 | for (Int_t cut = 0; cut <= 300; cut+=50) |
| 601 | { |
| 602 | TH1* proj = (TH1*) GetTriggerEfficiency(fMvsL, cut)->Clone("clone"); |
| 603 | |
| 604 | //proj->Rebin(3); |
| 605 | //proj->Scale(1.0 / 3); |
| 606 | |
| 607 | new TCanvas; proj->DrawCopy(); |
| 9608df41 |
608 | |
| f6093269 |
609 | Int_t limitBin = proj->GetNbinsX()+1; |
| 610 | while (limitBin > 1 && proj->GetBinContent(limitBin-1) > 0.5) |
| 611 | limitBin--; |
| 612 | |
| 613 | Float_t limit = proj->GetXaxis()->GetBinCenter(limitBin); |
| 614 | |
| 615 | effGraph->SetPoint(effGraph->GetN(), cut, limit); |
| 616 | |
| 617 | proj = GetXSectionCut(xSection, fMvsL, cut); |
| 618 | |
| 619 | Double_t ratio = 0; |
| 620 | Double_t total = 0; |
| 621 | if (proj->Integral(1, 1001) > 0) |
| 622 | { |
| 623 | ratio = proj->Integral(proj->FindBin(limit), 1001) / proj->Integral(1, 1001); |
| 624 | total = proj->Integral(proj->FindBin(limit), 1001); |
| 625 | } |
| 626 | |
| 627 | ratioGraph->SetPoint(ratioGraph->GetN(), cut, ratio); |
| 628 | totalGraph->SetPoint(totalGraph->GetN(), cut, total); |
| 629 | |
| 630 | 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); |
| 631 | } |
| 632 | |
| 633 | TCanvas* canvas = new TCanvas(Form("%s_Efficiency", title), Form("%s_Efficiency", title), 1200, 800); |
| 634 | canvas->Divide(2, 2); |
| 635 | |
| 636 | canvas->cd(1); |
| 637 | effGraph->Draw("A*"); |
| 638 | |
| 639 | for (Int_t i=8; i<=10; ++i) |
| 640 | { |
| 641 | TLine* line = new TLine(0, xSection->GetMean() * i, 300, xSection->GetMean() * i); |
| 642 | line->Draw(); |
| 643 | } |
| 644 | |
| 645 | canvas->cd(2); ratioGraph->Draw("A*"); |
| 646 | canvas->cd(3); gPad->SetLogy(); totalGraph->Draw("A*"); |
| 647 | |
| 648 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 649 | } |
| 650 | |
| 651 | void AliHighMultiplicitySelector::MakeGraphs(const char* title, TH1* xSection, TH2* fMvsL, Int_t limit) |
| 652 | { |
| 9608df41 |
653 | // relative x-section, once we have a collision |
| a9aed06c |
654 | |
| 9608df41 |
655 | xSection->Scale(1.0 / xSection->Integral()); |
| 656 | |
| 657 | TGraph* ratioGraph = new TGraph; |
| 658 | ratioGraph->SetTitle(Form("%s;Cut on fired chips;x-section_(>=%d) / x-section_(total)", title, limit)); |
| 659 | TGraph* totalGraph = new TGraph; |
| 660 | totalGraph->SetTitle(Form("%s;Cut on fired chips;rel x-section_(>=%d)", title, limit)); |
| 661 | |
| 662 | Double_t max = 0; |
| 663 | Int_t bestCut = -1; |
| 664 | Double_t bestRatio = -1; |
| 665 | Double_t bestTotal = -1; |
| 666 | Int_t fullCut = -1; |
| 667 | Double_t fullRatio = -1; |
| 668 | Double_t fullTotal = -1; |
| 669 | |
| 670 | fMvsL->Sumw2(); |
| 671 | |
| 672 | for (Int_t cut = 50; cut <= 300; cut+=2) |
| 673 | { |
| 674 | TH1* proj = GetXSectionCut(xSection, fMvsL, cut); |
| 675 | |
| 676 | Double_t ratio = 0; |
| 677 | Double_t total = 0; |
| 678 | if (proj->Integral(1, 1000) > 0) |
| 679 | { |
| 680 | ratio = proj->Integral(limit, 1000) / proj->Integral(1, 1000); |
| 681 | total = proj->Integral(limit, 1000); |
| 682 | } |
| 683 | |
| 684 | max = TMath::Max(max, total); |
| 685 | |
| 686 | //printf("Cut at %d: rel. x-section_(>=%d) = %e; x-section_(>=%d) / x-section_(total) = %f\n", cut, limit, total, limit, ratio); |
| 687 | |
| 688 | if (total < max * 0.9 && bestCut == -1) |
| 689 | { |
| 690 | bestCut = cut; |
| 691 | bestRatio = ratio; |
| 692 | bestTotal = total; |
| 693 | } |
| 694 | |
| 695 | if (ratio == 1 && fullCut == -1) |
| 696 | { |
| 697 | fullCut = cut; |
| 698 | fullRatio = ratio; |
| 699 | fullTotal = total; |
| 700 | } |
| 701 | |
| 702 | ratioGraph->SetPoint(ratioGraph->GetN(), cut, ratio); |
| 703 | totalGraph->SetPoint(totalGraph->GetN(), cut, total); |
| 704 | } |
| 705 | |
| 706 | if (bestCut != -1) |
| 707 | printf("Best cut at %d: rel. x-section_(>=%d) = %e %%; x-section_(>=%d) / x-section_(total) = %f %%\n", bestCut, limit, bestTotal, limit, bestRatio); |
| 708 | if (fullCut != -1) |
| 709 | printf("100%% cut at %d: rel. x-section_(>=%d) = %e %%; x-section_(>=%d) / x-section_(total) = %f %%\n", fullCut, limit, fullTotal, limit, fullRatio); |
| 710 | |
| 711 | TCanvas* canvas = new TCanvas(Form("%s_RatioXSection_%d", title, limit), Form("%s_RatioXSection_%d", title, limit), 600, 400); |
| 712 | ratioGraph->Draw("A*"); |
| 713 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 714 | |
| 715 | canvas = new TCanvas(Form("%s_TotalXSection_%d", title, limit), Form("%s_TotalXSection_%d", title, limit), 600, 400); |
| 716 | totalGraph->Draw("A*"); |
| 717 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 718 | } |
| 719 | |
| 720 | void AliHighMultiplicitySelector::JPRPlots() |
| 721 | { |
| a9aed06c |
722 | // more plots |
| 723 | |
| 9608df41 |
724 | /* |
| 725 | |
| 726 | gSystem->Load("libPWG0base"); |
| 727 | .L AliHighMultiplicitySelector.cxx+ |
| 728 | x = new AliHighMultiplicitySelector(); |
| 729 | x->ReadHistograms("highmult_hijing100k.root"); |
| 730 | x->JPRPlots(); |
| 731 | |
| 732 | */ |
| 733 | |
| 734 | // get x-sections |
| 735 | TFile* file = TFile::Open("crosssectionEx.root"); |
| 736 | if (!file) |
| 737 | return; |
| 738 | |
| 739 | TH1* xSections[2]; |
| 740 | xSections[0] = dynamic_cast<TH1*> (gFile->Get("xSection2Ex")); |
| 741 | xSections[1] = dynamic_cast<TH1*> (gFile->Get("xSection15Ex")); |
| 742 | |
| 743 | for (Int_t i=0; i<2; ++i) |
| 744 | { |
| 745 | if (!xSections[i]) |
| 746 | continue; |
| 747 | |
| 748 | TH1* xSection = xSections[i]; |
| 749 | TH2* fMvsL = (i == 0) ? fMvsL1: fMvsL2; |
| 750 | //Int_t cut = (i == 0) ? 164 : 150; // 8 times the mean |
| 751 | //Int_t cut = (i == 0) ? 178 : 166; // 9 times the mean |
| 752 | Int_t cut = (i == 0) ? 190 : 182; // 10 times the mean |
| 753 | |
| f6093269 |
754 | // limit is N times the mean |
| 755 | Int_t limit = (Int_t) (xSection->GetMean() * 10); |
| 756 | |
| 757 | // 10^28 lum --> 1.2 kHz |
| 758 | // 10^31 lum --> 1200 kHz |
| 759 | Float_t rate = 1200e3; |
| 760 | |
| 761 | // time in s |
| 762 | Float_t lengthRun = 1e6; |
| 763 | |
| 9608df41 |
764 | xSection->SetStats(kFALSE); |
| f6093269 |
765 | xSection->SetTitle(""); //(i == 0) ? "SPD Layer 1" : "SPD Layer 2"); |
| 9608df41 |
766 | xSection->GetXaxis()->SetTitle(Form("true multiplicity in |#eta| < %.1f", (i == 0) ? 2.0 : 1.5)); |
| 767 | xSection->GetXaxis()->SetRangeUser(0, (i == 0) ? 400 : 350); |
| f6093269 |
768 | //xSection->GetYaxis()->SetTitle("relative cross section"); |
| 9608df41 |
769 | xSection->GetYaxis()->SetTitleOffset(1.2); |
| 770 | |
| 9608df41 |
771 | // relative x-section, once we have a collision |
| 772 | xSection->Scale(1.0 / xSection->Integral()); |
| 773 | |
| 774 | TH1* proj = GetXSectionCut(xSection, fMvsL, cut); |
| 775 | |
| 776 | Double_t ratio = 0; |
| 777 | Double_t total = 0; |
| 778 | if (proj->Integral(1, 1000) > 0) |
| 779 | { |
| 780 | ratio = proj->Integral(limit, 1000) / proj->Integral(1, 1000); |
| 781 | total = proj->Integral(limit, 1000); |
| 782 | } |
| 783 | |
| 784 | printf("Cut at %d: rel. x-section_(>=%d) = %e; x-section_(>=%d) / x-section_(total) = %f\n", cut, limit, total, limit, ratio); |
| 785 | |
| 786 | TCanvas* canvas = new TCanvas(Form("HMPlots_%d", i), Form("HMPlots_%d", i), 800, 600); |
| 787 | canvas->SetLogy(); |
| 788 | xSection->DrawCopy(); |
| 789 | proj->SetLineColor(2); |
| 790 | proj->SetStats(kFALSE); |
| 791 | proj->DrawCopy("SAME"); |
| 792 | |
| 793 | TLegend* legend = new TLegend(0.15, 0.15, 0.45, 0.3); |
| 794 | legend->SetFillColor(0); |
| 795 | legend->AddEntry(xSection, "no trigger"); |
| 796 | legend->AddEntry(proj, Form("FO trigger > %d chips", cut)); |
| 797 | legend->Draw(); |
| 798 | |
| 799 | TLine* line = new TLine(limit, xSection->GetMinimum() * 0.5, limit, xSection->GetMaximum() * 2); |
| 800 | line->SetLineWidth(2); |
| 801 | line->Draw(); |
| 802 | |
| 803 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 804 | |
| 805 | TCanvas* canvas2 = new TCanvas(Form("HMPlots_%d_Random", i), Form("HMPlots_%d_Random", i), 800, 600); |
| f6093269 |
806 | //canvas2->SetTopMargin(0.05); |
| 807 | //canvas2->SetRightMargin(0.05); |
| 9608df41 |
808 | canvas2->SetLogy(); |
| f6093269 |
809 | xSection->DrawCopy("HIST"); |
| 9608df41 |
810 | |
| f6093269 |
811 | TLegend* legend2 = new TLegend(0.15, 0.15, 0.6, 0.3); |
| 9608df41 |
812 | legend2->SetFillColor(0); |
| 813 | legend2->AddEntry(xSection, "no trigger"); |
| 814 | |
| 815 | TH1* proj2 = (TH1*) proj->Clone("random"); |
| 816 | proj2->Reset(); |
| f6093269 |
817 | // MB lengthRun s 100 Hz |
| 818 | Int_t nTrigger = (Int_t) (100 * lengthRun * proj->Integral(1, 1000)); |
| 9608df41 |
819 | proj2->FillRandom(proj, nTrigger); |
| 820 | |
| 821 | TH1* proj3 = (TH1*) proj2->Clone("random_clone"); |
| 822 | proj3->Divide(proj); |
| 823 | proj3->Fit("pol0", "0", ""); |
| 824 | proj2->Scale(1.0 / proj3->GetFunction("pol0")->GetParameter(0)); |
| 825 | |
| f6093269 |
826 | /* |
| 9608df41 |
827 | proj2->DrawCopy("SAME"); |
| 828 | legend2->AddEntry(proj2, Form("%d evts, FO > %d chips (%d evts)", nTrigger, cut, (Int_t) (nTrigger * ratio))); |
| f6093269 |
829 | */ |
| 9608df41 |
830 | |
| 831 | proj2 = (TH1*) proj->Clone("random2"); |
| 832 | proj2->Reset(); |
| f6093269 |
833 | // 10^31 lum --> 1200 kHz; lengthRun s |
| 834 | nTrigger = (Int_t) (rate * proj->Integral(1, 1000) * lengthRun); |
| 9608df41 |
835 | proj2->FillRandom(proj, nTrigger); |
| 836 | |
| 837 | proj3 = (TH1*) proj2->Clone("random_clone2"); |
| 838 | proj3->Divide(proj); |
| 839 | proj3->Fit("pol0", "0", ""); |
| 840 | proj2->Scale(1.0 / proj3->GetFunction("pol0")->GetParameter(0)); |
| 841 | |
| 842 | proj2->SetLineColor(4); |
| f6093269 |
843 | proj2->SetMarkerStyle(7); |
| 844 | proj2->SetMarkerColor(4); |
| 845 | proj2->DrawCopy("SAME P"); |
| 846 | //legend2->AddEntry(proj2, Form("%d evts, FO > %d chips (%d evts)", nTrigger, cut, (Int_t) (nTrigger * ratio))); |
| 847 | legend2->AddEntry(proj2, Form("FO trigger > %d chips", cut)); |
| 9608df41 |
848 | |
| 849 | legend2->Draw(); |
| 850 | line->Draw(); |
| 851 | |
| 852 | canvas2->SaveAs(Form("%s.gif", canvas2->GetName())); |
| f6093269 |
853 | canvas2->SaveAs(Form("%s.eps", canvas2->GetName())); |
| 9608df41 |
854 | } |
| 855 | } |
| 856 | |
| f91bc12d |
857 | void AliHighMultiplicitySelector::Ntrigger() |
| 858 | { |
| 859 | // |
| 860 | // produces a spectrum created with N triggers |
| 861 | // number of triggers and thresholds for the moment fixed |
| 862 | // |
| 863 | |
| 864 | /* |
| 865 | |
| 866 | gSystem->Load("libPWG0base"); |
| 867 | .L AliHighMultiplicitySelector.cxx+g |
| 868 | x = new AliHighMultiplicitySelector(); |
| 869 | x->ReadHistograms("highmult_hijing100k.root"); |
| 870 | x->Ntrigger(); |
| 871 | |
| 872 | */ |
| 873 | |
| 874 | // get x-sections |
| 875 | TFile* file = TFile::Open("crosssectionEx.root"); |
| 876 | if (!file) |
| 877 | return; |
| 878 | |
| 879 | TH1* xSections[2]; |
| 880 | xSections[0] = dynamic_cast<TH1*> (gFile->Get("xSection2Ex")); |
| 881 | xSections[1] = dynamic_cast<TH1*> (gFile->Get("xSection15Ex")); |
| 882 | |
| 883 | // 10^28 lum --> 1.2 kHz |
| 884 | // 10^31 lum --> 1200 kHz |
| 885 | //Float_t rate = 1200e3; |
| a9aed06c |
886 | Float_t rate = 250e3; |
| f91bc12d |
887 | |
| 888 | // time in s |
| 889 | Float_t lengthRun = 1e6; |
| 890 | |
| 891 | Int_t colors[] = { 2, 3, 4, 6, 7, 8 }; |
| 892 | Int_t markers[] = { 7, 2, 4, 5, 6, 27 }; |
| 893 | |
| 894 | // put to 2 for second layer |
| 895 | for (Int_t i=0; i<1; ++i) |
| 896 | { |
| 897 | if (!xSections[i]) |
| 898 | continue; |
| 899 | |
| 900 | TH1* xSection = xSections[i]; |
| 901 | TH2* fMvsL = (i == 0) ? fMvsL1: fMvsL2; |
| 902 | |
| a9aed06c |
903 | //Int_t nCuts = 6; |
| 904 | //Int_t cuts[] = { 0, 164, 178, 190, 204, 216 }; |
| f91bc12d |
905 | //Int_t nCuts = 4; |
| 906 | //Int_t cuts[] = { 0, 164, 190, 216 }; |
| a9aed06c |
907 | Int_t nCuts = 4; |
| 908 | Int_t cuts[] = { 0, 114, 145, 165 }; |
| 909 | |
| f91bc12d |
910 | // desired trigger rate in Hz |
| a9aed06c |
911 | //Float_t ratePerTrigger[] = { 100, 1, 1, 1, 1, 1 }; |
| 912 | Float_t ratePerTrigger[] = { 60, 13.3, 13.3, 13.3 }; |
| f91bc12d |
913 | |
| 914 | xSection->SetStats(kFALSE); |
| 915 | xSection->SetTitle(""); //(i == 0) ? "SPD Layer 1" : "SPD Layer 2"); |
| 916 | xSection->GetXaxis()->SetTitle(Form("true multiplicity in |#eta| < %.1f", (i == 0) ? 2.0 : 1.5)); |
| 917 | xSection->GetXaxis()->SetRangeUser(0, (i == 0) ? 450 : 350); |
| 918 | //xSection->GetYaxis()->SetTitle("relative cross section"); |
| 919 | xSection->GetYaxis()->SetTitleOffset(1.2); |
| 920 | |
| 921 | // relative x-section, once we have a collision |
| 922 | xSection->Scale(1.0 / xSection->Integral()); |
| 923 | |
| 924 | TCanvas* canvas2 = new TCanvas(Form("HMPlots2_%d_Random", i), Form("HMPlots2_%d_Random", i), 800, 600); |
| 925 | canvas2->SetTopMargin(0.05); |
| 926 | canvas2->SetRightMargin(0.05); |
| 927 | canvas2->SetLogy(); |
| 928 | xSection->DrawCopy("HIST"); |
| 929 | |
| 930 | TLegend* legend2 = new TLegend(0.15, 0.15, 0.6, 0.4); |
| 931 | legend2->SetFillColor(0); |
| 932 | legend2->AddEntry(xSection, "cross-section"); |
| 933 | |
| 934 | for (Int_t currentCut = 0; currentCut<nCuts; ++currentCut) |
| 935 | { |
| 936 | Int_t cut = cuts[currentCut]; |
| 937 | |
| 938 | TH1* proj = GetXSectionCut(xSection, fMvsL, cut); |
| 939 | |
| 940 | Double_t total = 0; |
| 941 | if (proj->Integral(1, 1000) > 0) |
| 942 | total = proj->Integral(1, 1000); |
| 943 | |
| 944 | printf("Cut at %d: rel. x-section = %e\n", cut, total); |
| 945 | |
| 946 | TH1* proj2 = (TH1*) proj->Clone("random2"); |
| 947 | proj2->Reset(); |
| 948 | |
| 949 | // calculate downscale factor |
| 950 | Float_t normalRate = rate * proj->Integral(1, 1000); |
| 951 | Float_t downScale = normalRate / ratePerTrigger[currentCut]; |
| 952 | if (downScale < 1) |
| 953 | downScale = 1; |
| 954 | Long64_t nTrigger = (Long64_t) (normalRate / downScale * lengthRun); |
| 955 | |
| 956 | Printf("Normal rate is %f, downscale: %f, Simulating %lld triggers", normalRate, downScale, nTrigger); |
| 957 | proj2->FillRandom(proj, nTrigger); |
| 958 | |
| 959 | Int_t removed = 0; |
| 960 | for (Int_t bin=1; bin<proj2->GetNbinsX(); ++bin) |
| 961 | if (proj2->GetBinContent(bin) < 5) |
| 962 | { |
| 963 | removed += (Int_t) proj2->GetBinContent(bin); |
| 964 | proj2->SetBinContent(bin, 0); |
| 965 | } |
| 966 | |
| 967 | Printf("Removed %d events", removed); |
| 968 | |
| 969 | proj2->Scale(1.0 / nTrigger * proj->Integral(1, 1000)); |
| 970 | |
| 971 | proj2->SetLineColor(colors[currentCut]); |
| 972 | proj2->SetMarkerStyle(markers[currentCut]); |
| 973 | proj2->SetMarkerColor(colors[currentCut]); |
| 974 | proj2->DrawCopy("SAME P"); |
| 975 | legend2->AddEntry(proj2, Form("%lld evts, FO > %d chips", nTrigger, cut)); |
| 976 | } |
| 977 | |
| 978 | legend2->Draw(); |
| 979 | |
| 980 | canvas2->SaveAs(Form("%s.gif", canvas2->GetName())); |
| 981 | canvas2->SaveAs(Form("%s.eps", canvas2->GetName())); |
| 982 | } |
| 983 | } |
| 984 | |
| 9608df41 |
985 | void AliHighMultiplicitySelector::DrawHistograms() |
| 986 | { |
| a9aed06c |
987 | // draws the histograms |
| 988 | |
| 9608df41 |
989 | /* |
| 990 | |
| 991 | gSystem->Load("libPWG0base"); |
| 992 | .L AliHighMultiplicitySelector.cxx+ |
| 993 | x = new AliHighMultiplicitySelector(); |
| 994 | x->ReadHistograms("highmult_pythia.root"); |
| 995 | x->DrawHistograms(); |
| 996 | |
| 997 | |
| 998 | gSystem->Load("libPWG0base"); |
| 999 | .L AliHighMultiplicitySelector.cxx+ |
| 1000 | x = new AliHighMultiplicitySelector(); |
| 1001 | x->ReadHistograms("highmult_hijing.root"); |
| 1002 | x->DrawHistograms(); |
| 1003 | |
| 1004 | gSystem->Load("libPWG0base"); |
| 1005 | .L AliHighMultiplicitySelector.cxx+ |
| 1006 | x = new AliHighMultiplicitySelector(); |
| 1007 | x->ReadHistograms("highmult_central.root"); |
| 1008 | x->DrawHistograms(); |
| 1009 | |
| 1010 | gSystem->Load("libPWG0base"); |
| 1011 | .L AliHighMultiplicitySelector.cxx+ |
| 1012 | x = new AliHighMultiplicitySelector(); |
| 1013 | x->ReadHistograms("highmult_hijing100k.root"); |
| 1014 | x->DrawHistograms(); |
| 1015 | |
| 1016 | */ |
| 1017 | |
| 1018 | /*TCanvas* canvas = new TCanvas("chips", "chips", 600, 400); |
| 1019 | |
| 1020 | fChipsLayer2->SetLineColor(2); |
| 1021 | fChipsLayer2->SetStats(kFALSE); |
| 1022 | fChipsLayer1->SetStats(kFALSE); |
| 1023 | fChipsLayer2->SetTitle(""); |
| 1024 | fChipsLayer2->DrawCopy(); |
| 1025 | fChipsLayer1->DrawCopy("SAME"); |
| 1026 | canvas->SaveAs("chips.gif"); |
| 1027 | |
| 1028 | canvas = new TCanvas("L1vsL2", "L1vsL2", 600, 400); |
| 1029 | fL1vsL2->SetStats(kFALSE); |
| 1030 | fL1vsL2->DrawCopy("COLZ"); |
| 1031 | gPad->SetLogz(); |
| 1032 | canvas->SaveAs("L1vsL2.gif");*/ |
| 1033 | |
| f6093269 |
1034 | TCanvas *canvas = new TCanvas("L1", "L1", 800, 600); |
| 1035 | canvas->SetTopMargin(0.05); |
| 1036 | canvas->SetRightMargin(0.12); |
| 9608df41 |
1037 | fMvsL1->SetStats(kFALSE); |
| 1038 | fMvsL1->DrawCopy("COLZ"); |
| 1039 | gPad->SetLogz(); |
| 1040 | |
| 1041 | canvas->SaveAs("L1NoCurve.gif"); |
| f6093269 |
1042 | canvas->SaveAs("L1NoCurve.eps"); |
| 9608df41 |
1043 | |
| 1044 | // draw corresponding theoretical curve |
| 1045 | TF1* func = new TF1("func", "[0]*(1-(1-1/[0])**x)", 1, 1000); |
| 1046 | func->SetParameter(0, 400-5*2); |
| 1047 | func->DrawCopy("SAME"); |
| 1048 | |
| 1049 | canvas->SaveAs("L1.gif"); |
| 1050 | |
| 1051 | canvas = new TCanvas("L2", "L2", 600, 400); |
| 1052 | //fMvsL2->GetYaxis()->SetRangeUser(0, 150); |
| 1053 | fMvsL2->SetStats(kFALSE); |
| 1054 | fMvsL2->DrawCopy("COLZ"); |
| 1055 | gPad->SetLogz(); |
| 1056 | func->SetParameter(0, 800-5*4); |
| 1057 | func->DrawCopy("SAME"); |
| 1058 | canvas->SaveAs("L2.gif"); |
| 1059 | |
| f6093269 |
1060 | // get x-sections |
| 1061 | TFile* file = TFile::Open("crosssectionEx.root"); |
| 1062 | if (file) |
| 1063 | { |
| 1064 | TH1* xSection2 = dynamic_cast<TH1*> (gFile->Get("xSection2Ex")); |
| 1065 | TH1* xSection15 = dynamic_cast<TH1*> (gFile->Get("xSection15Ex")); |
| 1066 | |
| 1067 | MakeGraphs2("Layer1", xSection2, fMvsL1); |
| 1068 | return; |
| 1069 | |
| 1070 | // 5 times the mean |
| 1071 | //MakeGraphs("Layer1", xSection2, fMvsL1, (Int_t) (xSection2->GetMean() * 5)); //75 * 2 * 2); |
| 1072 | //MakeGraphs("Layer2", xSection15, fMvsL2, (Int_t) (xSection15->GetMean() * 5)); //(Int_t) (75 * 1.5 * 2)); |
| 1073 | |
| 1074 | MakeGraphs("Layer1", xSection2, fMvsL1, (Int_t) (xSection2->GetMean() * 8)); |
| 1075 | MakeGraphs("Layer2", xSection15, fMvsL2, (Int_t) (xSection15->GetMean() * 8)); |
| 1076 | MakeGraphs("Layer1", xSection2, fMvsL1, (Int_t) (xSection2->GetMean() * 9)); |
| 1077 | MakeGraphs("Layer2", xSection15, fMvsL2, (Int_t) (xSection15->GetMean() * 9)); |
| 1078 | MakeGraphs("Layer1", xSection2, fMvsL1, (Int_t) (xSection2->GetMean() * 10)); |
| 1079 | MakeGraphs("Layer2", xSection15, fMvsL2, (Int_t) (xSection15->GetMean() * 10)); |
| 1080 | |
| 1081 | file->Close(); |
| 1082 | } |
| 1083 | |
| 9608df41 |
1084 | // make spread hists |
| 1085 | TGraph* spread = new TGraph; |
| 1086 | spread->SetTitle("Spread L1;true multiplicity;RMS"); |
| 1087 | |
| 1088 | for (Int_t i=1; i<=fMvsL1->GetNbinsX(); ++i) |
| 1089 | { |
| 1090 | TH1* proj = fMvsL1->ProjectionY("proj", i, i); |
| 1091 | spread->SetPoint(spread->GetN(), i, proj->GetRMS()); |
| 1092 | } |
| 1093 | |
| 1094 | canvas = new TCanvas("SpreadL1", "SpreadL1", 600, 400); |
| 1095 | spread->Draw("A*"); |
| 1096 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 1097 | |
| 1098 | TF1* log = new TF1("log", "[0]*log([1]*x)", 1, 150); |
| 1099 | log->SetParLimits(0, 0, 10); |
| 1100 | log->SetParLimits(1, 1e-5, 10); |
| 1101 | |
| 1102 | spread->Fit(log, "", "", 1, 150); |
| 1103 | log->DrawCopy("SAME"); |
| 1104 | |
| 1105 | TGraph* spread2 = new TGraph; |
| 1106 | spread2->SetTitle("Spread L2;true multiplicity;RMS"); |
| 1107 | |
| 1108 | for (Int_t i=1; i<=fMvsL1->GetNbinsX(); ++i) |
| 1109 | { |
| 1110 | TH1* proj = fMvsL2->ProjectionY("proj", i, i); |
| 1111 | spread2->SetPoint(spread2->GetN(), i, proj->GetRMS()); |
| 1112 | } |
| 1113 | |
| 1114 | canvas = new TCanvas("SpreadL2", "SpreadL2", 600, 400); |
| 1115 | spread2->Draw("A*"); |
| 1116 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 1117 | |
| 1118 | spread2->Fit(log, "", "", 1, 150); |
| 1119 | log->DrawCopy("SAME"); |
| 1120 | |
| 9608df41 |
1121 | canvas = new TCanvas("Clusters_L1", "Clusters_L1", 600, 400); |
| 1122 | fClvsL1->SetStats(kFALSE); |
| 1123 | fClvsL1->DrawCopy("COLZ"); |
| 1124 | gPad->SetLogz(); |
| 1125 | |
| 1126 | func->SetParameter(0, 400-5*2); |
| 1127 | func->DrawCopy("SAME"); |
| 1128 | |
| 1129 | canvas->SaveAs("Clusters_L1.gif"); |
| 1130 | |
| 1131 | canvas = new TCanvas("Clusters_L2", "Clusters_L2", 600, 400); |
| 1132 | fClvsL2->SetStats(kFALSE); |
| 1133 | fClvsL2->DrawCopy("COLZ"); |
| 1134 | gPad->SetLogz(); |
| 1135 | func->SetParameter(0, 800-5*4); |
| 1136 | func->DrawCopy("SAME"); |
| 1137 | canvas->SaveAs("Clusters_L2.gif"); |
| 1138 | |
| 1139 | canvas = new TCanvas("ChipsFired", "ChipsFired", 600, 400); |
| 1140 | //fChipsFired->GetYaxis()->SetRangeUser(0, 150); |
| 1141 | fChipsFired->SetStats(kFALSE); |
| 1142 | fChipsFired->DrawCopy("COLZ"); |
| 1143 | canvas->SaveAs("ChipsFired.gif"); |
| 1144 | |
| 1145 | /*TH1F* tresholdHistL1 = new TH1F("tresholdHistL1", ";chip treshold;<n>", BINNING_LAYER1); |
| 1146 | TH1F* tresholdHistL2 = new TH1F("tresholdHistL2", ";chip treshold;<n>", BINNING_LAYER2); |
| 1147 | |
| 1148 | for (Int_t treshold = 0; treshold < 800; treshold++) |
| 1149 | { |
| 1150 | if (fPrimaryL1->Draw("multiplicity>>mult", Form("firedChips>%d", treshold), "goff") > 0) |
| 1151 | { |
| 1152 | TH1F* mult = dynamic_cast<TH1F*> (fPrimaryL1->GetHistogram()); |
| 1153 | if (mult) |
| 1154 | tresholdHistL1->Fill(treshold, mult->GetMean()); |
| 1155 | } |
| 1156 | if (fPrimaryL2->Draw("multiplicity>>mult", Form("firedChips>%d", treshold), "goff") > 0) |
| 1157 | { |
| 1158 | TH1F* mult = dynamic_cast<TH1F*> (fPrimaryL2->GetHistogram()); |
| 1159 | if (mult) |
| 1160 | tresholdHistL2->Fill(treshold, mult->GetMean()); |
| 1161 | } |
| 1162 | } |
| 1163 | |
| 1164 | canvas = new TCanvas("TresholdL1", "TresholdL1", 600, 400); |
| 1165 | tresholdHistL1->Draw(); |
| 1166 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 1167 | |
| 1168 | canvas = new TCanvas("TresholdL2", "TresholdL2", 600, 400); |
| 1169 | tresholdHistL2->Draw(); |
| 1170 | canvas->SaveAs(Form("%s.gif", canvas->GetName()));*/ |
| 1171 | |
| 1172 | fPrimaryL1->Draw("(chipsByPrimaries/firedChips):multiplicity>>eff1", "", "prof goff"); |
| 1173 | fPrimaryL2->Draw("(chipsByPrimaries/firedChips):multiplicity>>eff2", "", "prof goff"); |
| 1174 | |
| 1175 | canvas = new TCanvas("Efficiency", "Efficiency", 600, 400); |
| 1176 | fPrimaryL1->GetHistogram()->SetStats(kFALSE); |
| 1177 | fPrimaryL1->GetHistogram()->Draw(); |
| 1178 | fPrimaryL2->GetHistogram()->SetLineColor(2); |
| 1179 | fPrimaryL2->GetHistogram()->SetStats(kFALSE); |
| 1180 | fPrimaryL2->GetHistogram()->Draw("SAME"); |
| 1181 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 1182 | |
| 1183 | canvas = new TCanvas("ClustersZL1", "ClustersZL1", 600, 400); |
| 1184 | fClusterZL1->Rebin(2); |
| 1185 | fClusterZL1->Draw(); |
| 1186 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 1187 | |
| 1188 | canvas = new TCanvas("ClustersZL2", "ClustersZL2", 600, 400); |
| 1189 | fClusterZL2->Draw(); |
| 1190 | fClusterZL2->Rebin(2); |
| 1191 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 1192 | } |
| a9aed06c |
1193 | |
| 1194 | TGraph* AliHighMultiplicitySelector::IntFractRate() |
| 1195 | { |
| 1196 | // A plot which shows the fractional rate above any threshold |
| 1197 | // as function of threshold (i.e. the integral of dSigma/dN as function of |
| 1198 | // N, normalised to 1 for N=0) |
| 1199 | |
| 1200 | /* |
| 1201 | gSystem->Load("libPWG0base"); |
| 1202 | .L AliHighMultiplicitySelector.cxx+ |
| 1203 | x = new AliHighMultiplicitySelector(); |
| 1204 | x->ReadHistograms("highmult_hijing100k.root"); |
| 1205 | x->IntFractRate(); |
| 1206 | */ |
| 1207 | |
| 1208 | // get x-sections |
| 1209 | TFile* file = TFile::Open("crosssectionEx.root"); |
| 1210 | if (!file) |
| 1211 | return 0; |
| 1212 | |
| 1213 | TH1* xSection; |
| 1214 | xSection = dynamic_cast<TH1*> (gFile->Get("xSection2Ex")); |
| 1215 | |
| 1216 | TGraph* result = new TGraph; |
| 1217 | |
| 1218 | for (Int_t threshold = 0; threshold < 300; threshold += 2) |
| 1219 | { |
| 1220 | TH1* proj = GetXSectionCut(xSection, fMvsL1, threshold); |
| 1221 | |
| 1222 | //new TCanvas; proj->DrawCopy(); |
| 1223 | |
| 1224 | Double_t integral = proj->Integral(); |
| 1225 | |
| 1226 | Printf("Cut at %d, intregral is %e", threshold, integral); |
| 1227 | |
| 1228 | result->SetPoint(result->GetN(), threshold, integral); |
| 1229 | } |
| 1230 | |
| 1231 | TCanvas* canvas = new TCanvas("IntFractRate", "IntFractRate", 600, 400); |
| 1232 | gPad->SetLogy(); |
| 1233 | |
| 1234 | result->Draw("A*"); |
| 1235 | result->GetXaxis()->SetTitle("threshold"); |
| 1236 | result->GetYaxis()->SetTitle("integrated fractional rate above threshold"); |
| 1237 | |
| 1238 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
| 1239 | |
| 1240 | return result; |
| 1241 | } |
git://git.uio.no / u / mrichter / AliRoot.git / blame