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 //------------------------------------------------------------------------------
16 // after running comparison task, read the file, and get component
17 gROOT->LoadMacro("$ALICE_ROOT/PWG1/Macros/LoadMyLibs.C");
19 TFile f("Output.root");
20 //AliPerformanceDEdx * compObj = (AliPerformanceDEdx*)f.Get("AliPerformanceDEdx");
21 AliPerformanceDEdx * compObj = (AliPerformanceDEdx*)coutput->FindObject("AliPerformanceDEdx");
23 // Analyse comparison data
26 // the output histograms/graphs will be stored in the folder "folderDEdx"
27 compObj->GetAnalysisFolder()->ls("*");
29 // user can save whole comparison object (or only folder with anlysed histograms)
30 // in the seperate output file (e.g.)
31 TFile fout("Analysed_DEdx.root","recreate");
32 //compObj->Write(); // compObj->GetAnalysisFolder()->Write();
33 compObj->GetAnalysisFolder()->Write();
38 #include "TDirectory.h"
47 #include "AliPerformanceDEdx.h"
48 #include "AliPerformanceTPC.h"
49 #include "AliTPCPerformanceSummary.h"
50 #include "AliESDEvent.h"
51 #include "AliTracker.h"
52 #include "AliMCEvent.h"
53 #include "AliESDtrack.h"
56 #include "AliMCInfoCuts.h"
57 #include "AliMathBase.h"
58 #include "AliRecInfoCuts.h"
59 #include "AliTreeDraw.h"
60 #include "AliHeader.h"
61 #include "AliGenEventHeader.h"
65 ClassImp(AliPerformanceDEdx)
67 Bool_t AliPerformanceDEdx::fgMergeTHnSparse = kFALSE;
69 //_____________________________________________________________________________
70 AliPerformanceDEdx::AliPerformanceDEdx():
71 AliPerformanceObject("AliPerformanceDEdx"),
84 // default constructor
88 //_____________________________________________________________________________
89 AliPerformanceDEdx::AliPerformanceDEdx(Char_t* name="AliPerformanceDEdx", Char_t* title="AliPerformanceDEdx",Int_t analysisMode=0, Bool_t hptGenerator=kFALSE):
90 AliPerformanceObject(name,title),
105 SetAnalysisMode(analysisMode);
106 SetHptGenerator(hptGenerator);
111 //_____________________________________________________________________________
112 AliPerformanceDEdx::~AliPerformanceDEdx()
115 if(fDeDxHisto) delete fDeDxHisto; fDeDxHisto=0;
116 if(fAnalysisFolder) delete fAnalysisFolder; fAnalysisFolder=0;
119 //_____________________________________________________________________________
120 void AliPerformanceDEdx::Init()
127 Double_t pMin = 1.e-2, pMax = 10.;
130 if (IsHptGenerator()) {
131 nPBins = 100; pMax = 100.;
132 binsP = CreateLogAxis(nPBins,pMin,pMax);
134 binsP = CreateLogAxis(nPBins,pMin,pMax);
140 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.};
141 Double_t pMin = 0., pMax = 10.;
143 if(IsHptGenerator() == kTRUE) {
145 pMin = 0.; pMax = 100.;
149 //dedx:alpha:y:z:snp:tgl:ncls:p
150 //dedx:phi:y:z:snp:tgl:ncls:p
151 //Int_t binsQA[8] = {300, 50, 50, 50, 50, 50, 80, nPBins};
152 //Double_t xminQA[8] = {0, -4,-20,-250, -1, -2, 0, pMin};
153 //Double_t xmaxQA[8] = {300, 4, 20, 250, 1, 2, 160, pMax};
154 Int_t binsQA[8] = {300, 144, 50, 50, 50, 50, 80, nPBins};
155 Double_t xminQA[8] = {0, -TMath::Pi(),-20,-250, -1, -2, 0, pMin};
156 Double_t xmaxQA[8] = {300, TMath::Pi(), 20, 250, 1, 2, 160, pMax};
158 //fDeDxHisto = new THnSparseF("fDeDxHisto","dedx:alpha:y:z:snp:tgl:ncls:momentum",8,binsQA,xminQA,xmaxQA);
159 fDeDxHisto = new THnSparseF("fDeDxHisto","dedx:phi:y:z:snp:tgl:ncls:momentum",8,binsQA,xminQA,xmaxQA);
160 fDeDxHisto->SetBinEdges(7,binsP);
162 fDeDxHisto->GetAxis(0)->SetTitle("dedx (a.u.)");
163 fDeDxHisto->GetAxis(1)->SetTitle("#phi (rad)");
164 fDeDxHisto->GetAxis(2)->SetTitle("y (cm)");
165 fDeDxHisto->GetAxis(3)->SetTitle("z (cm)");
166 fDeDxHisto->GetAxis(4)->SetTitle("sin#phi");
167 fDeDxHisto->GetAxis(5)->SetTitle("tan#lambda");
168 fDeDxHisto->GetAxis(6)->SetTitle("ncls");
169 fDeDxHisto->GetAxis(7)->SetTitle("p (GeV/c)");
170 //fDeDxHisto->Sumw2();
174 AliDebug(AliLog::kError, "ERROR: Cannot find AliMCInfoCuts object");
177 AliDebug(AliLog::kError, "ERROR: Cannot find AliRecInfoCuts object");
181 fAnalysisFolder = CreateFolder("folderDEdx","Analysis de/dx Folder");
184 //_____________________________________________________________________________
185 void AliPerformanceDEdx::ProcessTPC(AliStack* const /*stack*/, AliESDtrack *const /*esdTrack*/)
187 // Fill dE/dx comparison information
188 AliDebug(AliLog::kWarning, "Warning: Not implemented");
191 //_____________________________________________________________________________
192 void AliPerformanceDEdx::ProcessInnerTPC(AliStack* const stack, AliESDtrack *const esdTrack, AliESDEvent* const esdEvent)
195 // Fill TPC track information at inner TPC wall
197 if(!esdEvent) return;
198 if(!esdTrack) return;
200 if( IsUseTrackVertex() )
202 // Relate TPC inner params to prim. vertex
203 const AliESDVertex *vtxESD = esdEvent->GetPrimaryVertexTracks();
204 Double_t x[3]; esdTrack->GetXYZ(x);
205 Double_t b[3]; AliTracker::GetBxByBz(x,b);
206 Bool_t isOK = esdTrack->RelateToVertexTPCBxByBz(vtxESD, b, kVeryBig);
210 // JMT -- recaluclate DCA for HLT if not present
211 if ( dca[0] == 0. && dca[1] == 0. ) {
212 track->GetDZ( vtxESD->GetX(), vtxESD->GetY(), vtxESD->GetZ(), esdEvent->GetMagneticField(), dca );
217 // get external param. at inner TPC wall
218 const AliExternalTrackParam *innerParam = esdTrack->GetInnerParam();
219 if(!innerParam) return;
221 Float_t dca[2], cov[3]; // dca_xy, dca_z, sigma_xy, sigma_xy_z, sigma_z
222 esdTrack->GetImpactParametersTPC(dca,cov);
224 if((esdTrack->GetStatus()&AliESDtrack::kTPCrefit)==0) return; // TPC refit
229 Double_t dcaToVertex = -1;
230 if( fCutsRC->GetDCAToVertex2D() )
232 dcaToVertex = TMath::Sqrt(dca[0]*dca[0]/fCutsRC->GetMaxDCAToVertexXY()/fCutsRC->GetMaxDCAToVertexXY() + dca[1]*dca[1]/fCutsRC->GetMaxDCAToVertexZ()/fCutsRC->GetMaxDCAToVertexZ());
234 if(fCutsRC->GetDCAToVertex2D() && dcaToVertex > 1) return;
235 if(!fCutsRC->GetDCAToVertex2D() && TMath::Abs(dca[0]) > fCutsRC->GetMaxDCAToVertexXY()) return;
236 if(!fCutsRC->GetDCAToVertex2D() && TMath::Abs(dca[1]) > fCutsRC->GetMaxDCAToVertexZ()) return;
238 Float_t dedx = esdTrack->GetTPCsignal();
239 Int_t ncls = esdTrack->GetTPCNcls();
241 Double_t pt = innerParam->Pt();
242 Double_t lam = TMath::ATan2(innerParam->Pz(),innerParam->Pt());
243 Double_t p = pt/TMath::Cos(lam);
244 //Double_t alpha = innerParam->GetAlpha();
245 Double_t phi = TMath::ATan2(innerParam->Py(),innerParam->Px());
246 //if(phi<0.) phi += 2.*TMath::Phi();
247 Double_t y = innerParam->GetY();
248 Double_t z = innerParam->GetZ();
249 Double_t snp = innerParam->GetSnp();
250 Double_t tgl = innerParam->GetTgl();
252 //Double_t vDeDxHisto[8] = {dedx,alpha,y,z,snp,tgl,ncls,p};
253 Double_t vDeDxHisto[8] = {dedx,phi,y,z,snp,tgl,ncls,p};
254 fDeDxHisto->Fill(vDeDxHisto);
259 //_____________________________________________________________________________
260 void AliPerformanceDEdx::ProcessTPCITS(AliStack* const /*stack*/, AliESDtrack *const /*esdTrack*/)
262 // Fill dE/dx comparison information
264 AliDebug(AliLog::kWarning, "Warning: Not implemented");
267 //_____________________________________________________________________________
268 void AliPerformanceDEdx::ProcessConstrained(AliStack* const /*stack*/, AliESDtrack *const /*esdTrack*/)
270 // Fill dE/dx comparison information
272 AliDebug(AliLog::kWarning, "Warning: Not implemented");
275 //_____________________________________________________________________________
276 Long64_t AliPerformanceDEdx::Merge(TCollection* const list)
278 // Merge list of objects (needed by PROOF)
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;
297 if (fgMergeTHnSparse) {
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 (!fgMergeTHnSparse) { 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()
406 // Analyze comparison information and store output histograms
407 // in the folder "folderDEdx"
409 TH1::AddDirectory(kFALSE);
410 TH1::SetDefaultSumw2(kFALSE);
413 TObjArray *aFolderObj = new TObjArray;
419 for(Int_t i=1; i<8; i++) {
420 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, i);
423 // resolution histograms for mips
424 //dedx:phi:y:z:snp:tgl:ncls:p
425 fDeDxHisto->GetAxis(2)->SetRangeUser(-15.,14.999);
426 fDeDxHisto->GetAxis(3)->SetRangeUser(-120.,119.999);
427 fDeDxHisto->GetAxis(4)->SetRangeUser(-0.4, 0.399);
428 fDeDxHisto->GetAxis(5)->SetRangeUser(-0.9,0.89);
429 fDeDxHisto->GetAxis(6)->SetRangeUser(60.,160.);
430 fDeDxHisto->GetAxis(7)->SetRangeUser(0.4,0.499);
433 selString = "mipsres";
434 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, &selString);
437 TObjArray *arr[7] = {0};
440 for(Int_t i=0; i<7; i++)
442 arr[i] = new TObjArray;
443 f1[i] = new TF1("gaus","gaus");
444 //printf("i %d \n",i);
446 h2D = (TH2F*)fDeDxHisto->Projection(0,i+1);
448 f1[i]->SetRange(40,60); // should be pion peak
449 h2D->FitSlicesY(f1[i],0,-1,10,"QNR",arr[i]); // gaus fit of pion peak
451 h1D = (TH1F*)arr[i]->At(1);
452 sprintf(name,"mean_dedx_mips_vs_%d",i);
454 sprintf(title,"%s vs %s","mean_dedx_mips (a.u.)",fDeDxHisto->GetAxis(i)->GetTitle());
455 h1D->SetTitle(title);
456 h1D->GetXaxis()->SetTitle(fDeDxHisto->GetAxis(i)->GetTitle());
457 h1D->GetYaxis()->SetTitle("mean_dedx_mips (a.u.)");
458 //h1D->SetMinimum(40);
459 //h1D->SetMaximum(60);
461 aFolderObj->Add(h1D);
463 h1D = (TH1F*)arr[i]->At(2);
464 sprintf(name,"res_dedx_mips_vs_%d",i);
466 sprintf(title,"%s vs %s","res_dedx_mips (a.u)",fDeDxHisto->GetAxis(i)->GetTitle());
467 h1D->SetTitle(title);
468 h1D->GetXaxis()->SetTitle(fDeDxHisto->GetAxis(i)->GetTitle());
469 h1D->GetYaxis()->SetTitle("res_dedx_mips (a.u.)");
470 //h1D->SetMinimum(0);
471 //h1D->SetMaximum(6);
473 aFolderObj->Add(h1D);
476 // select MIPs (version from AliTPCPerfomanceSummary)
477 fDeDxHisto->GetAxis(0)->SetRangeUser(35,60);
478 fDeDxHisto->GetAxis(2)->SetRangeUser(-20,20);
479 fDeDxHisto->GetAxis(3)->SetRangeUser(-250,250);
480 fDeDxHisto->GetAxis(4)->SetRangeUser(-1, 1);
481 fDeDxHisto->GetAxis(5)->SetRangeUser(-1,1);
482 fDeDxHisto->GetAxis(6)->SetRangeUser(80,160);
483 fDeDxHisto->GetAxis(7)->SetRangeUser(0.4,0.55);
486 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, &selString);
488 selString = "mips_C";
489 fDeDxHisto->GetAxis(5)->SetRangeUser(-3,0);
490 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, 5, &selString);
491 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, 1, &selString);
493 selString = "mips_A";
494 fDeDxHisto->GetAxis(5)->SetRangeUser(0,3);
495 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, 5, &selString);
496 AddProjection(aFolderObj, "dedx", fDeDxHisto, 0, 1, &selString);
499 fDeDxHisto->GetAxis(0)->SetRangeUser(0,300);
500 fDeDxHisto->GetAxis(2)->SetRangeUser(-20,20);
501 fDeDxHisto->GetAxis(3)->SetRangeUser(-250,250);
502 fDeDxHisto->GetAxis(4)->SetRangeUser(-1, 1);
503 fDeDxHisto->GetAxis(5)->SetRangeUser(-3,3);
504 fDeDxHisto->GetAxis(6)->SetRangeUser(0,160);
505 fDeDxHisto->GetAxis(7)->SetRangeUser(1e-2,10);
507 printf("exportToFolder\n");
508 // export objects to analysis folder
509 fAnalysisFolder = ExportToFolder(aFolderObj);
510 if (fFolderObj) delete fFolderObj;
511 fFolderObj = aFolderObj;
515 for(Int_t i=0;i<7;i++) {
516 if(f1[i]) delete f1[i]; f1[i]=0;
521 //_____________________________________________________________________________
522 TFolder* AliPerformanceDEdx::ExportToFolder(TObjArray * array)
524 // recreate folder avery time and export objects to new one
526 AliPerformanceDEdx * comp=this;
527 TFolder *folder = comp->GetAnalysisFolder();
530 TFolder *newFolder = 0;
532 Int_t size = array->GetSize();
535 // get name and title from old folder
536 name = folder->GetName();
537 title = folder->GetTitle();
543 newFolder = CreateFolder(name.Data(),title.Data());
544 newFolder->SetOwner();
546 // add objects to folder
548 newFolder->Add(array->At(i));
557 //_____________________________________________________________________________
558 TFolder* AliPerformanceDEdx::CreateFolder(TString name,TString title) {
559 // create folder for analysed histograms
561 folder = new TFolder(name.Data(),title.Data());
566 //_____________________________________________________________________________
567 TTree* AliPerformanceDEdx::CreateSummary()
569 // implementaion removed, switched back to use AliPerformanceSummary (now called in AliPerformanceTask)