1 //------------------------------------------------------------------------------
2 // Implementation of AliPerformanceDEdx class. It keeps information from
3 // comparison of reconstructed and MC particle tracks. In addtion,
4 // it keeps selection cuts used during comparison. The comparison
5 // information is stored in the ROOT histograms. Analysis of these
6 // histograms can be done by using Analyse() class function. The result of
7 // the analysis (histograms/graphs) are stored in the folder which is
8 // a data of AliPerformanceDEdx.
10 // Author: J.Otwinowski 04/02/2008
11 // Changes by M.Knichel 15/10/2010
12 //------------------------------------------------------------------------------
14 /*AliPerformanceDEdx.cxx
16 // after running comparison task, read the file, and get component
17 gROOT->LoadMacro("$ALICE_ROOT/PWGPP/Macros/LoadMyLibs.C");
18 LoadMyLibs();cd /hera/alice/atarant/train/trunk/atarant_spectra/qa/
20 TFile f("Output.root");
21 //AliPerformanceDEdx * compObj = (AliPerformanceDEdx*)f.Get("AliPerformanceDEdx");
22 AliPerformanceDEdx * compObj = (AliPerformanceDEdx*)coutput->FindObject("AliPerformanceDEdx");
24 // Analyse comparison data
27 // the output histograms/graphs will be stored in the folder "folderDEdx"
28 compObj->GetAnalysisFolder()->ls("*");
30 // user can save whole comparison object (or only folder with anlysed histograms)
31 // in the seperate output file (e.g.)
32 TFile fout("Analysed_DEdx.root","recreate");
33 //compObj->Write(); // compObj->GetAnalysisFolder()->Write();
34 compObj->GetAnalysisFolder()->Write();
39 #include "TDirectory.h"
48 #include "AliPerformanceDEdx.h"
49 #include "AliPerformanceTPC.h"
50 #include "AliTPCPerformanceSummary.h"
51 #include "AliESDEvent.h"
52 #include "AliTracker.h"
53 #include "AliMCEvent.h"
54 #include "AliESDtrack.h"
57 #include "AliMCInfoCuts.h"
58 #include "AliMathBase.h"
59 #include "AliRecInfoCuts.h"
60 #include "AliTreeDraw.h"
61 #include "AliHeader.h"
62 #include "AliGenEventHeader.h"
66 ClassImp(AliPerformanceDEdx)
68 Bool_t AliPerformanceDEdx::fgMergeTHnSparse = kFALSE;
69 Bool_t AliPerformanceDEdx::fgUseMergeTHnSparse = kFALSE;
71 //_____________________________________________________________________________
72 AliPerformanceDEdx::AliPerformanceDEdx(const Char_t* name, const Char_t* title, Int_t analysisMode, Bool_t hptGenerator):
73 AliPerformanceObject(name,title),
88 SetAnalysisMode(analysisMode);
89 SetHptGenerator(hptGenerator);
94 //_____________________________________________________________________________
95 AliPerformanceDEdx::~AliPerformanceDEdx()
98 if(fDeDxHisto) delete fDeDxHisto; fDeDxHisto=0;
99 if(fAnalysisFolder) delete fAnalysisFolder; fAnalysisFolder=0;
102 //_____________________________________________________________________________
103 void AliPerformanceDEdx::Init()
110 Double_t pMin = 1.e-2, pMax = 20.;
114 if (IsHptGenerator()) {
117 binsP = CreateLogAxis(nPBins,pMin,pMax);
122 Double_t binsP[32] = {0.,0.05,0.1,0.15,0.2,0.25,0.3,0.35,0.4,0.45,0.5,0.55,0.6,0.7,0.8,0.9,1.0,1.2,1.4,1.6,1.8,2.0,2.25,2.5,2.75,3.,3.5,4.,5.,6.,8.,10.};
123 Double_t pMin = 0., pMax = 10.;
125 if(IsHptGenerator() == kTRUE) {
127 pMin = 0.; pMax = 100.;
131 //Int_t binsQA[8] = {300, 50, 50, 50, 50, 50, 80, nPBins};
132 //Double_t xminQA[8] = {0, -4,-20,-250, -1, -2, 0, pMin};
133 //Double_t xmaxQA[8] = {300, 4, 20, 250, 1, 2, 160, pMax};
134 // signal:phi:y:z:snp:tgl:ncls:p:nclsDEdx:nclsF
135 Int_t binsQA[10] = {300, 144, 50, 50, 50, 50, 80, nPBins, 160, 80};
136 Double_t xminQA[10] = {0, -TMath::Pi(),-20,-250, -1, -2, 0, pMin, 0., 0.};
137 Double_t xmaxQA[10] = {300, TMath::Pi(), 20, 250, 1, 2, 160, pMax ,160., 1.};
139 fDeDxHisto = new THnSparseF("fDeDxHisto","dedx:phi:y:z:snp:tgl:ncls:momentum:TPCSignalN:clsF",10,binsQA,xminQA,xmaxQA);
140 fDeDxHisto->SetBinEdges(7,binsP);
142 fDeDxHisto->GetAxis(0)->SetTitle("dedx (a.u.)");
143 fDeDxHisto->GetAxis(1)->SetTitle("#phi (rad)");
144 fDeDxHisto->GetAxis(2)->SetTitle("y (cm)");
145 fDeDxHisto->GetAxis(3)->SetTitle("z (cm)");
146 fDeDxHisto->GetAxis(4)->SetTitle("sin#phi");
147 fDeDxHisto->GetAxis(5)->SetTitle("tan#lambda");
148 fDeDxHisto->GetAxis(6)->SetTitle("ncls");
149 fDeDxHisto->GetAxis(7)->SetTitle("p (GeV/c)");
150 fDeDxHisto->GetAxis(8)->SetTitle("number of cls used for dEdx");
151 fDeDxHisto->GetAxis(9)->SetTitle("number of cls found over findable");
152 //fDeDxHisto->Sumw2();
156 AliDebug(AliLog::kError, "ERROR: Cannot find AliMCInfoCuts object");
159 AliDebug(AliLog::kError, "ERROR: Cannot find AliRecInfoCuts object");
163 fAnalysisFolder = CreateFolder("folderDEdx","Analysis de/dx Folder");
165 // save merge status in object
166 fMergeTHnSparseObj = fgMergeTHnSparse;
170 //_____________________________________________________________________________
171 void AliPerformanceDEdx::ProcessTPC(AliStack* const /*stack*/, AliESDtrack *const /*esdTrack*/)
173 // Fill dE/dx comparison information
174 AliDebug(AliLog::kWarning, "Warning: Not implemented");
177 //_____________________________________________________________________________
178 void AliPerformanceDEdx::ProcessInnerTPC(AliStack* const stack, AliESDtrack *const esdTrack, AliESDEvent* const esdEvent)
181 // Fill TPC track information at inner TPC wall
183 if(!esdEvent) return;
184 if(!esdTrack) return;
186 if( IsUseTrackVertex() )
188 // Relate TPC inner params to prim. vertex
189 const AliESDVertex *vtxESD = esdEvent->GetPrimaryVertexTracks();
190 Double_t x[3]; esdTrack->GetXYZ(x);
191 Double_t b[3]; AliTracker::GetBxByBz(x,b);
192 Bool_t isOK = kFALSE;
193 if(fabs(b[2])>0.000001)
194 isOK = esdTrack->RelateToVertexTPCBxByBz(vtxESD, b, kVeryBig);
195 // Bool_t isOK = esdTrack->RelateToVertexTPCBxByBz(vtxESD, b, kVeryBig);
199 // JMT -- recaluclate DCA for HLT if not present
200 if ( dca[0] == 0. && dca[1] == 0. ) {
201 track->GetDZ( vtxESD->GetX(), vtxESD->GetY(), vtxESD->GetZ(), esdEvent->GetMagneticField(), dca );
206 // get external param. at inner TPC wall
207 const AliExternalTrackParam *innerParam = esdTrack->GetInnerParam();
208 if(!innerParam) return;
210 Float_t dca[2], cov[3]; // dca_xy, dca_z, sigma_xy, sigma_xy_z, sigma_z
211 esdTrack->GetImpactParametersTPC(dca,cov);
213 if((esdTrack->GetStatus()&AliESDtrack::kTPCrefit)==0) return; // TPC refit
218 Double_t dcaToVertex = -1;
219 if( fCutsRC->GetDCAToVertex2D() )
221 dcaToVertex = TMath::Sqrt(dca[0]*dca[0]/fCutsRC->GetMaxDCAToVertexXY()/fCutsRC->GetMaxDCAToVertexXY() + dca[1]*dca[1]/fCutsRC->GetMaxDCAToVertexZ()/fCutsRC->GetMaxDCAToVertexZ());
223 if(fCutsRC->GetDCAToVertex2D() && dcaToVertex > 1) return;
224 if(!fCutsRC->GetDCAToVertex2D() && TMath::Abs(dca[0]) > fCutsRC->GetMaxDCAToVertexXY()) return;
225 if(!fCutsRC->GetDCAToVertex2D() && TMath::Abs(dca[1]) > fCutsRC->GetMaxDCAToVertexZ()) return;
227 Float_t dedx = esdTrack->GetTPCsignal();
228 Int_t ncls = esdTrack->GetTPCNcls();
229 Int_t TPCSignalN = esdTrack->GetTPCsignalN();
230 //Float_t nCrossedRows = esdTrack->GetTPCClusterInfo(2,1);
231 Float_t nClsF = esdTrack->GetTPCClusterInfo(2,0);
234 Double_t pt = innerParam->Pt();
235 Double_t lam = TMath::ATan2(innerParam->Pz(),innerParam->Pt());
236 Double_t p = pt/TMath::Cos(lam);
237 //Double_t alpha = innerParam->GetAlpha();
238 Double_t phi = TMath::ATan2(innerParam->Py(),innerParam->Px());
239 //if(phi<0.) phi += 2.*TMath::Phi();
240 Double_t y = innerParam->GetY();
241 Double_t z = innerParam->GetZ();
242 Double_t snp = innerParam->GetSnp();
243 Double_t tgl = innerParam->GetTgl();
245 //fill thnspars here coud add oroc mdedium long..............Atti
246 //you should select which pad leng here
247 // http://svnweb.cern.ch/world/wsvn/AliRoot/trunk/STEER/STEERBase/AliTPCdEdxInfo.h
248 // fTPCsignalRegion[4];
250 //Double_t vDeDxHisto[10] = {dedx,phi,y,z,snp,tgl,ncls,p,TPCSignalN,nCrossedRows};
251 Double_t vDeDxHisto[10] = {dedx,phi,y,z,snp,tgl,Double_t(ncls),p,Double_t(TPCSignalN),nClsF};
252 fDeDxHisto->Fill(vDeDxHisto);
257 //_____________________________________________________________________________
258 void AliPerformanceDEdx::ProcessTPCITS(AliStack* const /*stack*/, AliESDtrack *const /*esdTrack*/)
260 // Fill dE/dx comparison information
262 AliDebug(AliLog::kWarning, "Warning: Not implemented");
265 //_____________________________________________________________________________
266 void AliPerformanceDEdx::ProcessConstrained(AliStack* const /*stack*/, AliESDtrack *const /*esdTrack*/)
268 // Fill dE/dx comparison information
270 AliDebug(AliLog::kWarning, "Warning: Not implemented");
273 //_____________________________________________________________________________
274 Long64_t AliPerformanceDEdx::Merge(TCollection* const list)
276 // Merge list of objects (needed by PROOF)
284 Bool_t merge = ((fgUseMergeTHnSparse && fgMergeTHnSparse) || (!fgUseMergeTHnSparse && fMergeTHnSparseObj));
286 TIterator* iter = list->MakeIterator();
288 TObjArray* objArrayList = 0;
289 objArrayList = new TObjArray();
291 // collection of generated histograms
293 while((obj = iter->Next()) != 0)
295 AliPerformanceDEdx* entry = dynamic_cast<AliPerformanceDEdx*>(obj);
296 if (entry == 0) continue;
298 if ((fDeDxHisto) && (entry->fDeDxHisto)) { fDeDxHisto->Add(entry->fDeDxHisto); }
300 // the analysisfolder is only merged if present
301 if (entry->fFolderObj) { objArrayList->Add(entry->fFolderObj); }
305 if (fFolderObj) { fFolderObj->Merge(objArrayList); }
306 // to signal that track histos were not merged: reset
307 if (!merge) { fDeDxHisto->Reset(); }
309 if (objArrayList) delete objArrayList; objArrayList=0;
314 //_____________________________________________________________________________
315 void AliPerformanceDEdx::Exec(AliMCEvent* const mcEvent, AliESDEvent *const esdEvent, AliESDfriend *const esdFriend, const Bool_t bUseMC, const Bool_t bUseESDfriend)
317 // Process comparison information
321 AliDebug(AliLog::kError, "esdEvent not available");
324 AliHeader* header = 0;
325 AliGenEventHeader* genHeader = 0;
332 AliDebug(AliLog::kError, "mcEvent not available");
336 // get MC event header
337 header = mcEvent->Header();
339 AliDebug(AliLog::kError, "Header not available");
343 stack = mcEvent->Stack();
345 AliDebug(AliLog::kError, "Stack not available");
350 genHeader = header->GenEventHeader();
352 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
355 genHeader->PrimaryVertex(vtxMC);
362 AliDebug(AliLog::kError, "esdFriend not available");
368 if(!bUseMC && GetTriggerClass()) {
369 Bool_t isEventTriggered = esdEvent->IsTriggerClassFired(GetTriggerClass());
370 if(!isEventTriggered) return;
374 const AliESDVertex *vtxESD = NULL;
375 if( IsUseTrackVertex() )
378 vtxESD = esdEvent->GetPrimaryVertexTracks();
382 vtxESD = esdEvent->GetPrimaryVertexTPC();
384 if(vtxESD && (vtxESD->GetStatus()<=0)) return;
387 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
389 AliESDtrack *track = esdEvent->GetTrack(iTrack);
392 if(GetAnalysisMode() == 0) ProcessTPC(stack,track);
393 else if(GetAnalysisMode() == 1) ProcessTPCITS(stack,track);
394 else if(GetAnalysisMode() == 2) ProcessConstrained(stack,track);
395 else if(GetAnalysisMode() == 3) ProcessInnerTPC(stack,track,esdEvent);
397 printf("ERROR: AnalysisMode %d \n",fAnalysisMode);
403 //_____________________________________________________________________________
404 void AliPerformanceDEdx::Analyse()
407 // Analyze comparison information and store output histograms
408 // in the folder "folderDEdx"
410 //Atti h_tpc_dedx_mips_0
411 //fai fit con range p(.32,.38) and dEdx(65- 120 or 100) e ripeti cosa fatta per pion e fai trending della media e res, poio la loro differenza
412 //fai dedx vs lamda ma for e e pion separati
414 TH1::AddDirectory(kFALSE);
415 TH1::SetDefaultSumw2(kFALSE);
418 TObjArray *aFolderObj = new TObjArray;
424 for(Int_t i=1; i<10; i++) {
425 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, i);
428 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, 6, 7);
429 AddProjection(aFolderObj, "dedx", fDeDxHisto, 7, 8, 9);
430 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, 8, 9);
431 AddProjection(aFolderObj, "dedx", fDeDxHisto, 6, 8, 9);
433 // resolution histograms for mips
434 //-> signal:phi:y:z:snp:tgl:ncls:p:nclsDEdx:nclsF
435 fDeDxHisto->GetAxis(2)->SetRangeUser(-15.,14.999);
436 fDeDxHisto->GetAxis(3)->SetRangeUser(-120.,119.999);
437 fDeDxHisto->GetAxis(4)->SetRangeUser(-0.4, 0.399);
438 fDeDxHisto->GetAxis(5)->SetRangeUser(-0.9,0.89);
439 fDeDxHisto->GetAxis(6)->SetRangeUser(60.,160.);
440 fDeDxHisto->GetAxis(7)->SetRangeUser(0.4,0.499); //p
441 fDeDxHisto->GetAxis(8)->SetRangeUser(60.,160.);
444 selString = "mipsres";
445 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, &selString);
448 TObjArray *arr[10] = {0};
451 for(Int_t i=1; i<10; i++)
453 arr[i] = new TObjArray;
454 f1[i] = new TF1("gaus","gaus");
455 //printf("i %d \n",i);
457 h2D = (TH2F*)fDeDxHisto->Projection(0,i);
459 f1[i]->SetRange(40,60); // should be pion peak
460 h2D->FitSlicesY(f1[i],0,-1,10,"QNR",arr[i]); // gaus fit of pion peak
462 h1D = (TH1F*)arr[i]->At(1);
463 snprintf(name,256,"mean_dedx_mips_vs_%d",i);
465 snprintf(title,256,"%s vs %s","mean_dedx_mips (a.u.)",fDeDxHisto->GetAxis(i)->GetTitle());
466 h1D->SetTitle(title);
467 h1D->GetXaxis()->SetTitle(fDeDxHisto->GetAxis(i)->GetTitle());
468 h1D->GetYaxis()->SetTitle("mean_dedx_mips (a.u.)");
469 //h1D->SetMinimum(40);
470 //h1D->SetMaximum(60);
472 aFolderObj->Add(h1D);
474 h1D = (TH1F*)arr[i]->At(2);
475 snprintf(name,256,"res_dedx_mips_vs_%d",i);
477 snprintf(title,256,"%s vs %s","res_dedx_mips (a.u)",fDeDxHisto->GetAxis(i)->GetTitle());
478 h1D->SetTitle(title);
479 h1D->GetXaxis()->SetTitle(fDeDxHisto->GetAxis(i)->GetTitle());
480 h1D->GetYaxis()->SetTitle("res_dedx_mips (a.u.)");
481 //h1D->SetMinimum(0);
482 //h1D->SetMaximum(6);
484 aFolderObj->Add(h1D);
487 // select MIPs (version from AliTPCPerfomanceSummary)
488 fDeDxHisto->GetAxis(0)->SetRangeUser(35,60);
489 fDeDxHisto->GetAxis(2)->SetRangeUser(-20,19.999);
490 fDeDxHisto->GetAxis(3)->SetRangeUser(-250,249.999);
491 fDeDxHisto->GetAxis(4)->SetRangeUser(-1, 0.99);
492 fDeDxHisto->GetAxis(5)->SetRangeUser(-1,0.99);
493 fDeDxHisto->GetAxis(6)->SetRangeUser(80,160);
494 fDeDxHisto->GetAxis(7)->SetRangeUser(0.4,0.55);
495 fDeDxHisto->GetAxis(8)->SetRangeUser(80,160);
496 fDeDxHisto->GetAxis(9)->SetRangeUser(0.5,1.);
499 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, &selString);
501 selString = "mips_C";
502 fDeDxHisto->GetAxis(5)->SetRangeUser(-3,0);
503 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, 5, &selString);
504 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, 1, &selString);
506 selString = "mips_A";
507 fDeDxHisto->GetAxis(5)->SetRangeUser(0,3);
508 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, 5, &selString);
509 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, 1, &selString);
511 //////////////////////////////////////// atti new start
513 // select (version from AliTPCPerfomanceSummary) electrons
514 fDeDxHisto->GetAxis(0)->SetRangeUser(70,100); //dedx for electrons
515 fDeDxHisto->GetAxis(2)->SetRangeUser(-20,19.999);
516 fDeDxHisto->GetAxis(3)->SetRangeUser(-250,249.999);
517 fDeDxHisto->GetAxis(4)->SetRangeUser(-1, 0.99);
518 fDeDxHisto->GetAxis(5)->SetRangeUser(-1,0.99);
519 fDeDxHisto->GetAxis(6)->SetRangeUser(80,160);
520 fDeDxHisto->GetAxis(7)->SetRangeUser(0.32,0.38); //momenta for electrons
521 fDeDxHisto->GetAxis(8)->SetRangeUser(80,160);
522 fDeDxHisto->GetAxis(9)->SetRangeUser(0.5,1.);
524 selString = "mipsele";
525 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, &selString);
526 //////////////////////////////////////// atti new stop
529 for (Int_t i=0; i<fDeDxHisto->GetNdimensions(); i++) {
530 fDeDxHisto->GetAxis(i)->SetRange(1,fDeDxHisto->GetAxis(i)->GetNbins());
533 printf("exportToFolder\n");
534 // export objects to analysis folder
535 fAnalysisFolder = ExportToFolder(aFolderObj);
536 if (fFolderObj) delete fFolderObj;
537 fFolderObj = aFolderObj;
541 for(Int_t i=0;i<10;i++) {
542 if(f1[i]) delete f1[i]; f1[i]=0;
547 //_____________________________________________________________________________
548 TFolder* AliPerformanceDEdx::ExportToFolder(TObjArray * array)
550 // recreate folder avery time and export objects to new one
552 AliPerformanceDEdx * comp=this;
553 TFolder *folder = comp->GetAnalysisFolder();
556 TFolder *newFolder = 0;
558 Int_t size = array->GetSize();
561 // get name and title from old folder
562 name = folder->GetName();
563 title = folder->GetTitle();
569 newFolder = CreateFolder(name.Data(),title.Data());
570 newFolder->SetOwner();
572 // add objects to folder
574 newFolder->Add(array->At(i));
583 //_____________________________________________________________________________
584 TFolder* AliPerformanceDEdx::CreateFolder(TString name,TString title) {
585 // create folder for analysed histograms
587 folder = new TFolder(name.Data(),title.Data());
592 //_____________________________________________________________________________
593 TTree* AliPerformanceDEdx::CreateSummary()
595 // implementaion removed, switched back to use AliPerformanceSummary (now called in AliPerformanceTask)