1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 //_________________________________________________________________________
19 // Algorythm class to analyze PHOSv1 events:
20 // Construct histograms and displays them.
21 // Use the macro EditorBar.C for best access to the functionnalities
23 //*-- Author: Y. Schutz (SUBATECH) & Gines Martinez (SUBATECH)
24 //////////////////////////////////////////////////////////////////////////////
26 // --- ROOT system ---
32 #include "TParticle.h"
33 #include "TClonesArray.h"
39 // --- Standard library ---
44 // --- AliRoot header files ---
47 #include "AliPHOSAnalyze.h"
48 #include "AliPHOSClusterizerv1.h"
49 #include "AliPHOSTrackSegmentMakerv1.h"
50 #include "AliPHOSPIDv1.h"
51 #include "AliPHOSReconstructioner.h"
52 #include "AliPHOSDigit.h"
53 #include "AliPHOSTrackSegment.h"
54 #include "AliPHOSRecParticle.h"
55 #include "AliPHOSIndexToObject.h"
56 #include "AliPHOSHit.h"
57 #include "AliPHOSCpvRecPoint.h"
59 ClassImp(AliPHOSAnalyze)
61 //____________________________________________________________________________
62 AliPHOSAnalyze::AliPHOSAnalyze()
64 // default ctor (useless)
69 //____________________________________________________________________________
70 AliPHOSAnalyze::AliPHOSAnalyze(Text_t * name)
72 // ctor: analyze events from root file "name"
74 Bool_t ok = OpenRootFile(name) ;
76 cout << " AliPHOSAnalyze > Error opening " << name << endl ;
79 //========== Get AliRun object from file
80 gAlice = (AliRun*) fRootFile->Get("gAlice") ;
82 //=========== Get the PHOS object and associated geometry from the file
83 fPHOS = (AliPHOSv1 *)gAlice->GetDetector("PHOS") ;
84 fGeom = AliPHOSGeometry::GetInstance( fPHOS->GetGeometry()->GetName(), fPHOS->GetGeometry()->GetTitle() );
86 //========== Initializes the Index to Object converter
87 fObjGetter = AliPHOSIndexToObject::GetInstance(fPHOS) ;
88 //========== Current event number
100 //____________________________________________________________________________
101 AliPHOSAnalyze::AliPHOSAnalyze(const AliPHOSAnalyze & ana)
104 ( (AliPHOSAnalyze &)ana ).Copy(*this) ;
107 //____________________________________________________________________________
108 void AliPHOSAnalyze::Copy(TObject & obj)
110 // copy an analysis into an other one
112 // I do nothing more because the copy is silly but the Code checkers requires one
115 //____________________________________________________________________________
116 AliPHOSAnalyze::~AliPHOSAnalyze()
120 if(fRootFile->IsOpen()) fRootFile->Close() ;
121 if(fRootFile) {delete fRootFile ; fRootFile=0 ;}
122 if(fPHOS) {delete fPHOS ; fPHOS =0 ;}
123 if(fClu) {delete fClu ; fClu =0 ;}
124 if(fPID) {delete fPID ; fPID =0 ;}
125 if(fRec) {delete fRec ; fRec =0 ;}
126 if(fTrs) {delete fTrs ; fTrs =0 ;}
129 //____________________________________________________________________________
130 void AliPHOSAnalyze::DrawRecon(Int_t Nevent,Int_t Nmod){
131 //Draws pimary particles and reconstructed
132 //digits, RecPoints, RecPartices etc
133 //for event Nevent in the module Nmod.
135 TH2F * digitOccupancy = new TH2F("digitOccupancy","EMC digits", 64,-71.,71.,64,-71.,71.);
136 TH2F * sdigitOccupancy = new TH2F("sdigitOccupancy","EMC sdigits", 64,-71.,71.,64,-71.,71.);
137 TH2F * emcOccupancy = new TH2F("emcOccupancy","EMC RecPoints",64,-71.,71.,64,-71.,71.);
138 TH2F * ppsdUp = new TH2F("ppsdUp","PPSD Up digits", 128,-71.,71.,128,-71.,71.) ;
139 TH2F * ppsdUpCl = new TH2F("ppsdUpCl","PPSD Up RecPoints",128,-71.,71.,128,-71.,71.) ;
140 TH2F * ppsdLow = new TH2F("ppsdLow","PPSD Low digits", 128,-71.,71.,128,-71.,71.) ;
141 TH2F * ppsdLowCl = new TH2F("ppsdLowCl","PPSD Low RecPoints",128,-71.,71.,128,-71.,71.) ;
142 TH2F * nbar = new TH2F("nbar","Primary nbar", 64,-71.,71.,64,-71.,71.);
143 TH2F * phot = new TH2F("phot","Primary Photon", 64,-71.,71.,64,-71.,71.);
144 TH2F * charg = new TH2F("charg","Primary charged",64,-71.,71.,64,-71.,71.);
145 TH2F * recPhot = new TH2F("recPhot","RecParticles with primary Photon",64,-71.,71.,64,-71.,71.);
146 TH2F * recNbar = new TH2F("recNbar","RecParticles with primary Nbar", 64,-71.,71.,64,-71.,71.);
148 //========== Create the Clusterizer
149 fClu = new AliPHOSClusterizerv1() ;
151 gAlice->GetEvent(Nevent);
153 TParticle * primary ;
155 for ( iPrimary = 0 ; iPrimary < gAlice->GetNtrack() ; iPrimary++)
157 primary = gAlice->Particle(iPrimary) ;
158 Int_t primaryType = primary->GetPdgCode() ;
159 if( (primaryType == 211)||(primaryType == -211)||(primaryType == 2212)||(primaryType == -2212) ) {
161 Double_t primX, primZ ;
162 fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ;
163 if(moduleNumber==Nmod)
164 charg->Fill(primZ,primX,primary->Energy()) ;
166 if( primaryType == 22 ) {
168 Double_t primX, primZ ;
169 fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ;
170 if(moduleNumber==Nmod)
171 phot->Fill(primZ,primX,primary->Energy()) ;
174 if( primaryType == -2112 ) {
176 Double_t primX, primZ ;
177 fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ;
178 if(moduleNumber==Nmod)
179 nbar->Fill(primZ,primX,primary->Energy()) ;
184 // fPHOS->SetTreeAddress() ;
186 gAlice->TreeS()->GetEvent(0) ;
189 AliPHOSDigit * sdigit ;
191 if(fPHOS->SDigits()){
192 for(iSDigit = 0; iSDigit < fPHOS->SDigits()->GetEntries(); iSDigit++)
194 sdigit = (AliPHOSDigit *) fPHOS->SDigits()->At(iSDigit) ;
196 fGeom->AbsToRelNumbering(sdigit->GetId(), relid) ;
198 fGeom->RelPosInModule(relid,x,z) ;
199 Float_t e = fPHOS->Calibrate(sdigit->GetAmp()) ;
201 if(relid[1]==0) //EMC
202 sdigitOccupancy->Fill(x,z,e) ;
203 if((relid[1]>0)&&(relid[1]<17))
204 ppsdUp->Fill(x,z,e) ;
206 ppsdLow->Fill(x,z,e) ;
211 cout << "No SDigits read " << endl ;
214 gAlice->TreeD()->GetEvent(0) ;
218 AliPHOSDigit * digit ;
219 for(iDigit = 0; iDigit < fPHOS->Digits()->GetEntries(); iDigit++)
221 digit = (AliPHOSDigit *) fPHOS->Digits()->At(iDigit) ;
223 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
225 fGeom->RelPosInModule(relid,x,z) ;
226 Float_t e = fClu->Calibrate(digit->GetAmp()) ;
228 if(relid[1]==0) //EMC
229 digitOccupancy->Fill(x,z,e) ;
230 if((relid[1]>0)&&(relid[1]<17))
231 ppsdUp->Fill(x,z,e) ;
233 ppsdLow->Fill(x,z,e) ;
238 cout << "No Digits read " << endl ;
241 gAlice->TreeR()->GetEvent(0) ;
243 TObjArray * emcRecPoints = fPHOS->EmcRecPoints() ;
244 TObjArray * ppsdRecPoints = fPHOS->PpsdRecPoints() ;
245 TClonesArray * recParticleList = fPHOS->RecParticles() ;
252 for(irecp = 0; irecp < emcRecPoints->GetEntries() ; irecp ++){
253 AliPHOSEmcRecPoint * emc= (AliPHOSEmcRecPoint*)emcRecPoints->At(irecp) ;
254 if(emc->GetPHOSMod()==Nmod){
255 emc->GetLocalPosition(pos) ;
256 emcOccupancy->Fill(pos.X(),pos.Z(),emc->GetEnergy());
261 cout << "No EMC rec points read " << endl ;
265 for(irecp = 0; irecp < ppsdRecPoints->GetEntries() ; irecp ++){
266 AliPHOSPpsdRecPoint * ppsd= (AliPHOSPpsdRecPoint *)ppsdRecPoints->At(irecp) ;
267 if(ppsd->GetPHOSMod()==Nmod){
268 ppsd->GetLocalPosition(pos) ;
270 ppsdUpCl->Fill(pos.X(),pos.Z(),ppsd->GetEnergy());
272 ppsdLowCl->Fill(pos.X(),pos.Z(),ppsd->GetEnergy());
277 cout << "No PPSD/CPV rec points read " << endl ;
280 AliPHOSRecParticle * recParticle ;
282 if(recParticleList ){
283 for(iRecParticle = 0; iRecParticle < recParticleList->GetEntries() ;iRecParticle++ )
285 recParticle = (AliPHOSRecParticle *) recParticleList->At(iRecParticle) ;
287 Int_t moduleNumberRec ;
288 Double_t recX, recZ ;
289 fGeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), moduleNumberRec, recX, recZ) ;
290 if(moduleNumberRec == Nmod){
292 Double_t minDistance = 5. ;
293 Int_t closestPrimary = -1 ;
295 Int_t numberofprimaries ;
296 Int_t * listofprimaries = recParticle->GetPrimaries(numberofprimaries) ;
298 TParticle * primary ;
299 Double_t distance = minDistance ;
301 for ( index = 0 ; index < numberofprimaries ; index++){
302 primary = gAlice->Particle(listofprimaries[index]) ;
304 Double_t primX, primZ ;
305 fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ;
306 if(moduleNumberRec == moduleNumber)
307 distance = TMath::Sqrt((recX-primX)*(recX-primX)+(recZ-primZ)*(recZ-primZ) ) ;
308 if(minDistance > distance)
310 minDistance = distance ;
311 closestPrimary = listofprimaries[index] ;
315 if(closestPrimary >=0 ){
317 Int_t primaryType = gAlice->Particle(closestPrimary)->GetPdgCode() ;
320 recPhot->Fill(recZ,recX,recParticle->Energy()) ;
322 if(primaryType==-2112)
323 recNbar->Fill(recZ,recX,recParticle->Energy()) ;
329 cout << "Not Rec Prticles read " << endl ;
332 digitOccupancy->Draw("box") ;
333 sdigitOccupancy->SetLineColor(5) ;
334 sdigitOccupancy->Draw("box") ;
335 emcOccupancy->SetLineColor(2) ;
336 emcOccupancy->Draw("boxsame") ;
337 ppsdUp->SetLineColor(3) ;
338 ppsdUp->Draw("boxsame") ;
339 ppsdLow->SetLineColor(4) ;
340 ppsdLow->Draw("boxsame") ;
341 phot->SetLineColor(8) ;
342 phot->Draw("boxsame") ;
343 nbar->SetLineColor(6) ;
344 nbar->Draw("boxsame") ;
347 //____________________________________________________________________________
348 void AliPHOSAnalyze::Reconstruct(Int_t nevents,Int_t firstEvent )
351 // Performs reconstruction of EMC and CPV (GPS2, IHEP or MIXT)
352 // for events from FirstEvent to Nevents
355 for ( ievent=firstEvent; ievent<nevents; ievent++) {
356 if (ievent==firstEvent) {
357 cout << "Analyze > Starting Reconstructing " << endl ;
358 //========== Create the Clusterizer
359 fClu = new AliPHOSClusterizerv1() ;
361 //========== Creates the track segment maker
362 fTrs = new AliPHOSTrackSegmentMakerv1() ;
363 // fTrs->UnsetUnfoldFlag() ;
365 //========== Creates the particle identifier
366 fPID = new AliPHOSPIDv1() ;
367 fPID->SetShowerProfileCuts(0.3, 1.8, 0.3, 1.8 ) ;
369 //========== Creates the Reconstructioner
370 fRec = new AliPHOSReconstructioner(fClu, fTrs, fPID) ;
371 if (fDebugLevel != 0) fRec -> SetDebugReconstruction(kTRUE);
374 if (fDebugLevel != 0 ||
375 (ievent+1) % (Int_t)TMath::Power( 10, (Int_t)TMath::Log10(ievent+1) ) == 0)
376 cout << "======= Analyze ======> Event " << ievent+1 << endl ;
380 gAlice->Hits2Digits() ;
382 //=========== Do the reconstruction
383 fPHOS->Reconstruction(fRec);
387 if(fClu) {delete fClu ; fClu =0 ;}
388 if(fPID) {delete fPID ; fPID =0 ;}
389 if(fRec) {delete fRec ; fRec =0 ;}
390 if(fTrs) {delete fTrs ; fTrs =0 ;}
394 //-------------------------------------------------------------------------------------
395 void AliPHOSAnalyze::ReadAndPrintCPV(Int_t EvFirst, Int_t EvLast)
398 // // Read and print generated and reconstructed hits in CPV
399 // // for events from EvFirst to Nevent.
400 // // If only EvFirst is defined, print only this one event.
401 // // Author: Yuri Kharlov
402 // // 12 October 2000
405 // if (EvFirst!=0 && EvLast==0) EvLast=EvFirst;
406 // for ( Int_t ievent=EvFirst; ievent<=EvLast; ievent++) {
408 // //========== Event Number>
409 // cout << endl << "==== ReadAndPrintCPV ====> Event is " << ievent+1 << endl ;
411 // //=========== Connects the various Tree's for evt
412 // Int_t ntracks = gAlice->GetEvent(ievent);
414 // //========== Creating branches ===================================
415 // AliPHOSRecPoint::RecPointsList ** emcRecPoints = fPHOS->EmcRecPoints() ;
416 // gAlice->TreeR()->SetBranchAddress( "PHOSEmcRP" , emcRecPoints ) ;
418 // AliPHOSRecPoint::RecPointsList ** cpvRecPoints = fPHOS->PpsdRecPoints() ;
419 // gAlice->TreeR()->SetBranchAddress( "PHOSPpsdRP", cpvRecPoints ) ;
421 // // Read and print CPV hits
423 // AliPHOSCPVModule cpvModule;
424 // TClonesArray *cpvHits;
426 // AliPHOSCPVHit *cpvHit;
428 // Float_t xgen, zgen;
430 // Int_t nGenHits = 0;
431 // for (Int_t itrack=0; itrack<ntracks; itrack++) {
432 // //=========== Get the Hits Tree for the Primary track itrack
433 // gAlice->ResetHits();
434 // gAlice->TreeH()->GetEvent(itrack);
435 // Int_t iModule = 0 ;
436 // for (iModule=0; iModule < fGeom->GetNCPVModules(); iModule++) {
437 // cpvModule = fPHOS->GetCPVModule(iModule);
438 // cpvHits = cpvModule.Hits();
439 // nCPVhits = cpvHits->GetEntriesFast();
440 // for (Int_t ihit=0; ihit<nCPVhits; ihit++) {
442 // cpvHit = (AliPHOSCPVHit*)cpvHits->UncheckedAt(ihit);
443 // p = cpvHit->GetMomentum();
444 // xgen = cpvHit->X();
445 // zgen = cpvHit->Y();
446 // ipart = cpvHit->GetIpart();
447 // printf("CPV hit in module %d: ",iModule+1);
448 // printf(" p = (%f, %f, %f, %f) GeV,\n",
449 // p.Px(),p.Py(),p.Pz(),p.Energy());
450 // printf(" (X,Z) = (%8.4f, %8.4f) cm, ipart = %d\n",
456 // // Read and print CPV reconstructed points
458 // //=========== Gets the Reconstruction TTree
459 // gAlice->TreeR()->GetEvent(0) ;
460 // printf("Recpoints: %d\n",(*fPHOS->CpvRecPoints())->GetEntries());
461 // TIter nextRP(*fPHOS->CpvRecPoints() ) ;
462 // AliPHOSCpvRecPoint *cpvRecPoint ;
463 // Int_t nRecPoints = 0;
464 // while( ( cpvRecPoint = (AliPHOSCpvRecPoint *)nextRP() ) ) {
467 // cpvRecPoint->GetLocalPosition(locpos);
468 // Int_t phosModule = cpvRecPoint->GetPHOSMod();
469 // printf("CPV recpoint in module %d: (X,Z) = (%f,%f) cm\n",
470 // phosModule,locpos.X(),locpos.Z());
472 // printf("This event has %d generated hits and %d reconstructed points\n",
473 // nGenHits,nRecPoints);
477 //____________________________________________________________________________
478 void AliPHOSAnalyze::AnalyzeCPV(Int_t Nevents)
481 // // Analyzes CPV characteristics
482 // // Author: Yuri Kharlov
486 // // Book histograms
488 // TH1F *hDx = new TH1F("hDx" ,"CPV x-resolution@reconstruction",100,-5. , 5.);
489 // TH1F *hDz = new TH1F("hDz" ,"CPV z-resolution@reconstruction",100,-5. , 5.);
490 // TH1F *hDr = new TH1F("hDr" ,"CPV r-resolution@reconstruction",100, 0. , 5.);
491 // TH1S *hNrp = new TH1S("hNrp" ,"CPV rec.point multiplicity", 21,-0.5,20.5);
492 // TH1S *hNrpX = new TH1S("hNrpX","CPV rec.point Phi-length" , 21,-0.5,20.5);
493 // TH1S *hNrpZ = new TH1S("hNrpZ","CPV rec.point Z-length" , 21,-0.5,20.5);
495 // cout << "Start CPV Analysis"<< endl ;
496 // for ( Int_t ievent=0; ievent<Nevents; ievent++) {
498 // //========== Event Number>
499 // // if ( (ievent+1) % (Int_t)TMath::Power( 10, (Int_t)TMath::Log10(ievent+1) ) == 0)
500 // cout << endl << "==== AnalyzeCPV ====> Event is " << ievent+1 << endl ;
502 // //=========== Connects the various Tree's for evt
503 // Int_t ntracks = gAlice->GetEvent(ievent);
505 // //========== Creating branches ===================================
506 // AliPHOSRecPoint::RecPointsList ** emcRecPoints = fPHOS->EmcRecPoints() ;
507 // gAlice->TreeR()->SetBranchAddress( "PHOSEmcRP" , emcRecPoints ) ;
509 // AliPHOSRecPoint::RecPointsList ** cpvRecPoints = fPHOS->PpsdRecPoints() ;
510 // gAlice->TreeR()->SetBranchAddress( "PHOSPpsdRP", cpvRecPoints ) ;
512 // // Create and fill arrays of hits for each CPV module
514 // Int_t nOfModules = fGeom->GetNModules();
515 // TClonesArray **hitsPerModule = new TClonesArray *[nOfModules];
516 // Int_t iModule = 0;
517 // for (iModule=0; iModule < nOfModules; iModule++)
518 // hitsPerModule[iModule] = new TClonesArray("AliPHOSCPVHit",100);
520 // AliPHOSCPVModule cpvModule;
521 // TClonesArray *cpvHits;
523 // AliPHOSCPVHit *cpvHit;
528 // // First go through all primary tracks and fill the arrays
529 // // of hits per each CPV module
531 // for (Int_t itrack=0; itrack<ntracks; itrack++) {
532 // // Get the Hits Tree for the Primary track itrack
533 // gAlice->ResetHits();
534 // gAlice->TreeH()->GetEvent(itrack);
535 // for (Int_t iModule=0; iModule < nOfModules; iModule++) {
536 // cpvModule = fPHOS->GetCPVModule(iModule);
537 // cpvHits = cpvModule.Hits();
538 // nCPVhits = cpvHits->GetEntriesFast();
539 // for (Int_t ihit=0; ihit<nCPVhits; ihit++) {
540 // cpvHit = (AliPHOSCPVHit*)cpvHits->UncheckedAt(ihit);
541 // p = cpvHit->GetMomentum();
542 // xzgen[0] = cpvHit->X();
543 // xzgen[1] = cpvHit->Y();
544 // ipart = cpvHit->GetIpart();
545 // TClonesArray &lhits = *(TClonesArray *)hitsPerModule[iModule];
546 // new(lhits[hitsPerModule[iModule]->GetEntriesFast()]) AliPHOSCPVHit(*cpvHit);
548 // cpvModule.Clear();
551 // for (iModule=0; iModule < nOfModules; iModule++) {
552 // Int_t nsum = hitsPerModule[iModule]->GetEntriesFast();
553 // printf("Module %d has %d hits\n",iModule,nsum);
556 // // Then go through reconstructed points and for each find
557 // // the closeset hit
558 // // The distance from the rec.point to the closest hit
559 // // gives the coordinate resolution of the CPV
561 // // Get the Reconstruction Tree
562 // gAlice->TreeR()->GetEvent(0) ;
563 // TIter nextRP(*fPHOS->PpsdRecPoints() ) ;
564 // AliPHOSCpvRecPoint *cpvRecPoint ;
565 // Float_t xgen, zgen;
566 // while( ( cpvRecPoint = (AliPHOSCpvRecPoint *)nextRP() ) ) {
568 // cpvRecPoint->GetLocalPosition(locpos);
569 // Int_t phosModule = cpvRecPoint->GetPHOSMod();
570 // Int_t rpMult = cpvRecPoint->GetDigitsMultiplicity();
571 // Int_t rpMultX, rpMultZ;
572 // cpvRecPoint->GetClusterLengths(rpMultX,rpMultZ);
573 // Float_t xrec = locpos.X();
574 // Float_t zrec = locpos.Z();
575 // Float_t dxmin = 1.e+10;
576 // Float_t dzmin = 1.e+10;
577 // Float_t r2min = 1.e+10;
580 // cpvHits = hitsPerModule[phosModule-1];
581 // Int_t nCPVhits = cpvHits->GetEntriesFast();
582 // for (Int_t ihit=0; ihit<nCPVhits; ihit++) {
583 // cpvHit = (AliPHOSCPVHit*)cpvHits->UncheckedAt(ihit);
584 // xgen = cpvHit->X();
585 // zgen = cpvHit->Y();
586 // r2 = TMath::Power((xgen-xrec),2) + TMath::Power((zgen-zrec),2);
587 // if ( r2 < r2min ) {
589 // dxmin = xgen - xrec;
590 // dzmin = zgen - zrec;
593 // hDx ->Fill(dxmin);
594 // hDz ->Fill(dzmin);
595 // hDr ->Fill(TMath::Sqrt(r2min));
596 // hNrp ->Fill(rpMult);
597 // hNrpX->Fill(rpMultX);
598 // hNrpZ->Fill(rpMultZ);
600 // delete [] hitsPerModule;
602 // // Save histograms
604 // Text_t outputname[80] ;
605 // sprintf(outputname,"%s.analyzed",fRootFile->GetName());
606 // TFile output(outputname,"RECREATE");
616 // // Plot histograms
618 // TCanvas *cpvCanvas = new TCanvas("CPV","CPV analysis",20,20,800,400);
619 // gStyle->SetOptStat(111111);
620 // gStyle->SetOptFit(1);
621 // gStyle->SetOptDate(1);
622 // cpvCanvas->Divide(3,2);
625 // gPad->SetFillColor(10);
626 // hNrp->SetFillColor(16);
630 // gPad->SetFillColor(10);
631 // hNrpX->SetFillColor(16);
635 // gPad->SetFillColor(10);
636 // hNrpZ->SetFillColor(16);
640 // gPad->SetFillColor(10);
641 // hDx->SetFillColor(16);
646 // gPad->SetFillColor(10);
647 // hDz->SetFillColor(16);
652 // gPad->SetFillColor(10);
653 // hDr->SetFillColor(16);
656 // cpvCanvas->Print("CPV.ps");
660 //____________________________________________________________________________
661 void AliPHOSAnalyze::InvariantMass(Int_t Nevents )
663 // Calculates Real and Mixed invariant mass distributions
665 const Int_t knMixedEvents = 4 ; //# of events used for calculation of 'mixed' distribution
666 Int_t mixedLoops = (Int_t )TMath::Ceil(Nevents/knMixedEvents) ;
668 //========== Booking Histograms
669 TH2D * hRealEM = new TH2D("hRealEM", "Real for EM particles", 250,0.,1.,40,0.,4.) ;
670 TH2D * hRealPhot = new TH2D("hRealPhot", "Real for kPhoton particles", 250,0.,1.,40,0.,4.) ;
671 TH2D * hMixedEM = new TH2D("hMixedEM", "Mixed for EM particles", 250,0.,1.,40,0.,4.) ;
672 TH2D * hMixedPhot= new TH2D("hMixedPhot","Mixed for kPhoton particles",250,0.,1.,40,0.,4.) ;
675 Int_t eventInMixedLoop ;
677 Int_t nRecParticles[4];//knMixedEvents] ;
679 AliPHOSRecParticle::RecParticlesList * allRecParticleList = new TClonesArray("AliPHOSRecParticle", knMixedEvents*1000) ;
681 for(eventInMixedLoop = 0; eventInMixedLoop < mixedLoops; eventInMixedLoop++ ){
684 for ( ievent=0; ievent < knMixedEvents; ievent++){
686 Int_t absEventNumber = eventInMixedLoop*knMixedEvents + ievent ;
688 //=========== Connects the various Tree's for evt
689 gAlice->GetEvent(absEventNumber);
691 //========== Creating branches ===================================
692 fPHOS->SetTreeAddress() ;
694 gAlice->TreeD()->GetEvent(0) ;
695 gAlice->TreeR()->GetEvent(0) ;
697 TClonesArray * recParticleList = fPHOS->RecParticles() ;
700 AliPHOSRecParticle * recParticle ;
702 for(iRecParticle = 0; iRecParticle < recParticleList->GetEntries() ;iRecParticle++ )
704 recParticle = (AliPHOSRecParticle *) recParticleList->At(iRecParticle) ;
705 if((recParticle->GetType() == AliPHOSFastRecParticle::kGAMMA)||
706 (recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALEM)){
707 new( (*allRecParticleList)[iRecPhot] ) AliPHOSRecParticle(*recParticle) ;
712 nRecParticles[ievent] = iRecPhot-1 ;
715 //Now calculate invariant mass:
717 Int_t nCurEvent = 0 ;
719 for(irp1 = 0; irp1 < allRecParticleList->GetEntries()-1; irp1++){
720 AliPHOSRecParticle * rp1 = (AliPHOSRecParticle *)allRecParticleList->At(irp1) ;
722 for(irp2 = irp1+1; irp2 < allRecParticleList->GetEntries(); irp2++){
723 AliPHOSRecParticle * rp2 = (AliPHOSRecParticle *)allRecParticleList->At(irp2) ;
726 invMass = (rp1->Energy()+rp2->Energy())*(rp1->Energy()+rp2->Energy())-
727 (rp1->Px()+rp2->Px())*(rp1->Px()+rp2->Px())-
728 (rp1->Py()+rp2->Py())*(rp1->Py()+rp2->Py())-
729 (rp1->Pz()+rp2->Pz())*(rp1->Pz()+rp2->Pz()) ;
732 invMass = TMath::Sqrt(invMass);
735 pt = TMath::Sqrt((rp1->Px()+rp2->Px() )*( rp1->Px()+rp2->Px() ) +(rp1->Py()+rp2->Py())*(rp1->Py()+rp2->Py()));
737 if(irp1 > nRecParticles[nCurEvent])
740 if(irp2 <= nRecParticles[nCurEvent]){ //'Real' event
741 hRealEM->Fill(invMass,pt);
742 if((rp1->GetType() == AliPHOSFastRecParticle::kGAMMA)&&(rp2->GetType() == AliPHOSFastRecParticle::kGAMMA))
743 hRealPhot->Fill(invMass,pt);
746 hMixedEM->Fill(invMass,pt);
747 if((rp1->GetType() == AliPHOSFastRecParticle::kGAMMA)&&(rp2->GetType() == AliPHOSFastRecParticle::kGAMMA))
748 hMixedPhot->Fill(invMass,pt);
751 } //loop over second rp
752 }//loop over first rp
753 allRecParticleList->Delete() ;
756 delete allRecParticleList ;
759 TFile output("invmass.root","RECREATE");
765 hMixedPhot->Write() ;
772 //____________________________________________________________________________
773 void AliPHOSAnalyze::ReadAndPrintEMC(Int_t EvFirst, Int_t EvLast)
776 // // Read and print generated and reconstructed hits in EMC
777 // // for events from EvFirst to Nevent.
778 // // If only EvFirst is defined, print only this one event.
779 // // Author: Yuri Kharlov
780 // // 24 November 2000
783 // if (EvFirst!=0 && EvLast==0) EvLast=EvFirst;
785 // for (ievent=EvFirst; ievent<=EvLast; ievent++) {
787 // //========== Event Number>
788 // cout << endl << "==== ReadAndPrintEMC ====> Event is " << ievent+1 << endl ;
790 // //=========== Connects the various Tree's for evt
791 // Int_t ntracks = gAlice->GetEvent(ievent);
792 // fPHOS->SetTreeAddress() ;
794 // gAlice->TreeD()->GetEvent(0) ;
795 // gAlice->TreeR()->GetEvent(0) ;
797 // // Loop over reconstructed particles
799 // TClonesArray ** recParticleList = fPHOS->RecParticles() ;
800 // AliPHOSRecParticle * recParticle ;
801 // Int_t iRecParticle ;
804 // for(iRecParticle = 0; iRecParticle < (*recParticleList)->GetEntries() ;iRecParticle++ ) {
805 // recParticle = (AliPHOSRecParticle *) (*recParticleList)->At(iRecParticle) ;
806 // Float_t recE = recParticle->Energy();
807 // primList = recParticle->GetPrimaries(nPrimary);
808 // Int_t moduleNumberRec ;
809 // Double_t recX, recZ ;
810 // fGeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), moduleNumberRec, recX, recZ) ;
811 // printf("Rec point: module %d, (X,Z) = (%8.4f,%8.4f) cm, E = %.3f GeV, primary = %d\n",
812 // moduleNumberRec,recX,recZ,recE,*primList);
815 // // Read and print EMC hits from EMCn branches
817 // AliPHOSCPVModule emcModule;
818 // TClonesArray *emcHits;
820 // AliPHOSCPVHit *emcHit;
822 // Float_t xgen, zgen;
823 // Int_t ipart, primary;
824 // Int_t nGenHits = 0;
825 // for (Int_t itrack=0; itrack<ntracks; itrack++) {
826 // //=========== Get the Hits Tree for the Primary track itrack
827 // gAlice->ResetHits();
828 // gAlice->TreeH()->GetEvent(itrack);
829 // Int_t iModule = 0 ;
830 // for (iModule=0; iModule < fGeom->GetNModules(); iModule++) {
831 // emcModule = fPHOS->GetEMCModule(iModule);
832 // emcHits = emcModule.Hits();
833 // nEMChits = emcHits->GetEntriesFast();
834 // for (Int_t ihit=0; ihit<nEMChits; ihit++) {
836 // emcHit = (AliPHOSCPVHit*)emcHits->UncheckedAt(ihit);
837 // p = emcHit->GetMomentum();
838 // xgen = emcHit->X();
839 // zgen = emcHit->Y();
840 // ipart = emcHit->GetIpart();
841 // primary= emcHit->GetTrack();
842 // printf("EMC hit A: module %d, ",iModule+1);
843 // printf(" p = (%f .4, %f .4, %f .4, %f .4) GeV,\n",
844 // p.Px(),p.Py(),p.Pz(),p.Energy());
845 // printf(" (X,Z) = (%8.4f, %8.4f) cm, ipart = %d, primary = %d\n",
846 // xgen,zgen,ipart,primary);
851 // // // Read and print EMC hits from PHOS branch
853 // // for (Int_t itrack=0; itrack<ntracks; itrack++) {
854 // // //=========== Get the Hits Tree for the Primary track itrack
855 // // gAlice->ResetHits();
856 // // gAlice->TreeH()->GetEvent(itrack);
857 // // TClonesArray *hits = fPHOS->Hits();
858 // // AliPHOSHit *hit ;
860 // // for ( ihit = 0 ; ihit < hits->GetEntries() ; ihit++ ) {
861 // // hit = (AliPHOSHit*)hits->At(ihit) ;
862 // // Float_t hitXYZ[3];
863 // // hitXYZ[0] = hit->X();
864 // // hitXYZ[1] = hit->Y();
865 // // hitXYZ[2] = hit->Z();
866 // // ipart = hit->GetPid();
867 // // primary = hit->GetPrimary();
868 // // Int_t absId = hit->GetId();
869 // // Int_t relId[4];
870 // // fGeom->AbsToRelNumbering(absId, relId) ;
871 // // Int_t module = relId[0];
872 // // if (relId[1]==0 && !(hitXYZ[0]==0 && hitXYZ[2]==0))
873 // // printf("EMC hit B: module %d, (X,Z) = (%8.4f, %8.4f) cm, ipart = %d, primary = %d\n",
874 // // module,hitXYZ[0],hitXYZ[2],ipart,primary);
881 //____________________________________________________________________________
882 void AliPHOSAnalyze::AnalyzeEMC(Int_t Nevents)
885 // // Read generated and reconstructed hits in EMC for Nevents events.
886 // // Plots the coordinate and energy resolution histograms.
887 // // Coordinate resolution is a difference between the reconstructed
888 // // coordinate and the exact coordinate on the face of the PHOS
889 // // Author: Yuri Kharlov
890 // // 27 November 2000
893 // // Book histograms
895 // TH1F *hDx1 = new TH1F("hDx1" ,"EMC x-resolution", 100,-5. , 5.);
896 // TH1F *hDz1 = new TH1F("hDz1" ,"EMC z-resolution", 100,-5. , 5.);
897 // TH1F *hDE1 = new TH1F("hDE1" ,"EMC E-resolution", 100,-2. , 2.);
899 // TH2F *hDx2 = new TH2F("hDx2" ,"EMC x-resolution", 100, 0., 10., 100,-5. , 5.);
900 // TH2F *hDz2 = new TH2F("hDz2" ,"EMC z-resolution", 100, 0., 10., 100,-5. , 5.);
901 // TH2F *hDE2 = new TH2F("hDE2" ,"EMC E-resolution", 100, 0., 10., 100, 0. , 5.);
903 // cout << "Start EMC Analysis"<< endl ;
904 // for (Int_t ievent=0; ievent<Nevents; ievent++) {
906 // //========== Event Number>
907 // if ( (ievent+1) % (Int_t)TMath::Power( 10, (Int_t)TMath::Log10(ievent+1) ) == 0)
908 // cout << "==== AnalyzeEMC ====> Event is " << ievent+1 << endl ;
910 // //=========== Connects the various Tree's for evt
911 // Int_t ntracks = gAlice->GetEvent(ievent);
913 // fPHOS->SetTreeAddress() ;
915 // gAlice->TreeD()->GetEvent(0) ;
916 // gAlice->TreeR()->GetEvent(0) ;
918 // // Create and fill arrays of hits for each EMC module
920 // Int_t nOfModules = fGeom->GetNModules();
921 // TClonesArray **hitsPerModule = new TClonesArray *[nOfModules];
923 // for (iModule=0; iModule < nOfModules; iModule++)
924 // hitsPerModule[iModule] = new TClonesArray("AliPHOSCPVHit",100);
926 // AliPHOSCPVModule emcModule;
927 // TClonesArray *emcHits;
929 // AliPHOSCPVHit *emcHit;
931 // // First go through all primary tracks and fill the arrays
932 // // of hits per each EMC module
934 // for (Int_t itrack=0; itrack<ntracks; itrack++) {
935 // // Get the Hits Tree for the Primary track itrack
936 // gAlice->ResetHits();
937 // gAlice->TreeH()->GetEvent(itrack);
938 // for (Int_t iModule=0; iModule < nOfModules; iModule++) {
939 // emcModule = fPHOS->GetEMCModule(iModule);
940 // emcHits = emcModule.Hits();
941 // nEMChits = emcHits->GetEntriesFast();
942 // for (Int_t ihit=0; ihit<nEMChits; ihit++) {
943 // emcHit = (AliPHOSCPVHit*)emcHits->UncheckedAt(ihit);
944 // TClonesArray &lhits = *(TClonesArray *)hitsPerModule[iModule];
945 // new(lhits[hitsPerModule[iModule]->GetEntriesFast()]) AliPHOSCPVHit(*emcHit);
947 // emcModule.Clear();
951 // // Loop over reconstructed particles
953 // TClonesArray ** recParticleList = fPHOS->RecParticles() ;
954 // AliPHOSRecParticle * recParticle ;
955 // Int_t nEMCrecs = (*recParticleList)->GetEntries();
956 // if (nEMCrecs == 1) {
957 // recParticle = (AliPHOSRecParticle *) (*recParticleList)->At(0) ;
958 // Float_t recE = recParticle->Energy();
960 // Double_t recX, recZ ;
961 // fGeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), phosModule, recX, recZ) ;
963 // // for this rec.point take the hit list in the same PHOS module
965 // emcHits = hitsPerModule[phosModule-1];
966 // Int_t nEMChits = emcHits->GetEntriesFast();
967 // if (nEMChits == 1) {
968 // Float_t genX, genZ, genE;
969 // for (Int_t ihit=0; ihit<nEMChits; ihit++) {
970 // emcHit = (AliPHOSCPVHit*)emcHits->UncheckedAt(ihit);
971 // genX = emcHit->X();
972 // genZ = emcHit->Y();
973 // genE = emcHit->GetMomentum().E();
975 // Float_t dx = recX - genX;
976 // Float_t dz = recZ - genZ;
977 // Float_t de = recE - genE;
981 // hDx2 ->Fill(genE,dx);
982 // hDz2 ->Fill(genE,dz);
983 // hDE2 ->Fill(genE,recE);
986 // delete [] hitsPerModule;
988 // // Save histograms
990 // Text_t outputname[80] ;
991 // sprintf(outputname,"%s.analyzed",fRootFile->GetName());
992 // TFile output(outputname,"RECREATE");
1002 // // Plot histograms
1004 // TCanvas *emcCanvas = new TCanvas("EMC","EMC analysis",20,20,700,300);
1005 // gStyle->SetOptStat(111111);
1006 // gStyle->SetOptFit(1);
1007 // gStyle->SetOptDate(1);
1008 // emcCanvas->Divide(3,1);
1010 // emcCanvas->cd(1);
1011 // gPad->SetFillColor(10);
1012 // hDx1->SetFillColor(16);
1015 // emcCanvas->cd(2);
1016 // gPad->SetFillColor(10);
1017 // hDz1->SetFillColor(16);
1020 // emcCanvas->cd(3);
1021 // gPad->SetFillColor(10);
1022 // hDE1->SetFillColor(16);
1025 // emcCanvas->Print("EMC.ps");
1029 //____________________________________________________________________________
1030 void AliPHOSAnalyze::AnalyzeResolutions(Int_t Nevents )
1032 // analyzes Nevents events and calculate Energy and Position resolution as well as
1033 // probaility of correct indentifiing of the incident particle
1035 //========== Booking Histograms
1036 cout << "AnalyzeResolutions > " << "Booking Histograms" << endl ;
1037 BookResolutionHistograms();
1039 Int_t counter[9][5] ;
1040 Int_t i1,i2,totalInd = 0 ;
1041 for(i1 = 0; i1<9; i1++)
1042 for(i2 = 0; i2<5; i2++)
1043 counter[i1][i2] = 0 ;
1045 Int_t totalPrimary = 0 ;
1046 Int_t totalRecPart = 0 ;
1047 Int_t totalRPwithPrim = 0 ;
1050 cout << "Start Analysing"<< endl ;
1051 for ( ievent=0; ievent<Nevents; ievent++)
1054 //========== Event Number>
1055 // if ( ( log10((Float_t)(ievent+1)) - (Int_t)(log10((Float_t)(ievent+1))) ) == 0. )
1056 cout << "AnalyzeResolutions > " << "Event is " << ievent << endl ;
1058 //=========== Connects the various Tree's for evt
1059 gAlice->GetEvent(ievent);
1061 //=========== Gets the Kine TTree
1062 gAlice->TreeK()->GetEvent(0) ;
1064 //=========== Gets the list of Primari Particles
1066 TParticle * primary ;
1068 for ( iPrimary = 0 ; iPrimary < gAlice->GetNtrack() ; iPrimary++)
1070 primary = gAlice->Particle(iPrimary) ;
1071 Int_t primaryType = primary->GetPdgCode() ;
1072 if( primaryType == 22 ) {
1073 Int_t moduleNumber ;
1074 Double_t primX, primZ ;
1075 fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ;
1077 fhPrimary->Fill(primary->Energy()) ;
1078 if(primary->Energy() > 0.3)
1084 fPHOS->SetTreeAddress() ;
1086 gAlice->TreeD()->GetEvent(0) ;
1087 gAlice->TreeR()->GetEvent(0) ;
1089 TClonesArray * recParticleList = fPHOS->RecParticles() ;
1091 AliPHOSRecParticle * recParticle ;
1092 Int_t iRecParticle ;
1093 for(iRecParticle = 0; iRecParticle < recParticleList->GetEntries() ;iRecParticle++ )
1095 recParticle = (AliPHOSRecParticle *) recParticleList->At(iRecParticle) ;
1096 fhAllRP->Fill(CorrectEnergy(recParticle->Energy())) ;
1098 Int_t moduleNumberRec ;
1099 Double_t recX, recZ ;
1100 fGeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), moduleNumberRec, recX, recZ) ;
1102 Double_t minDistance = 100. ;
1103 Int_t closestPrimary = -1 ;
1105 Int_t numberofprimaries ;
1106 Int_t * listofprimaries = recParticle->GetPrimaries(numberofprimaries) ;
1108 TParticle * primary ;
1109 Double_t distance = minDistance ;
1111 Double_t dXmin = 0.;
1112 Double_t dZmin = 0. ;
1113 for ( index = 0 ; index < numberofprimaries ; index++){
1114 primary = gAlice->Particle(listofprimaries[index]) ;
1115 Int_t moduleNumber ;
1116 Double_t primX, primZ ;
1117 fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ;
1118 if(moduleNumberRec == moduleNumber) {
1121 distance = TMath::Sqrt(dX*dX + dZ*dZ) ;
1122 if(minDistance > distance) {
1123 minDistance = distance ;
1126 closestPrimary = listofprimaries[index] ;
1132 if(closestPrimary >=0 ){
1135 Int_t primaryType = gAlice->Particle(closestPrimary)->GetPdgCode() ;
1136 // TParticlePDG* pDGparticle = gAlice->ParticleAt(closestPrimary)->GetPDG();
1137 // Double_t charge = PDGparticle->Charge() ;
1139 // cout <<"Primary " <<primaryType << " E " << ((TParticle *)primaryList->At(closestPrimary))->Energy() << endl ;
1144 primaryCode = 0; //Photon
1145 fhAllEnergy ->Fill(gAlice->Particle(closestPrimary)->Energy(), recParticle->Energy()) ;
1146 fhAllPosition ->Fill(gAlice->Particle(closestPrimary)->Energy(), minDistance) ;
1147 fhAllPositionX->Fill(dXmin);
1148 fhAllPositionZ->Fill(dZmin);
1151 primaryCode = 1; //Electron
1154 primaryCode = 1; //positron
1157 primaryCode = 4; //K+
1160 primaryCode = 4; //K-
1163 primaryCode = 4; //K0s
1166 primaryCode = 4; //K0l
1169 primaryCode = 2; //K0l
1172 primaryCode = 2; //K0l
1175 primaryCode = 2; //K0l
1178 primaryCode = 2; //K0l
1181 primaryCode = 3; //ELSE
1185 switch(recParticle->GetType())
1187 case AliPHOSFastRecParticle::kGAMMA:
1188 if(primaryType == 22){
1189 fhPhotEnergy->Fill(gAlice->Particle(closestPrimary)->Energy(), recParticle->Energy() ) ;
1190 fhEMEnergy->Fill(gAlice->Particle(closestPrimary)->Energy(), recParticle->Energy() ) ;
1191 fhPPSDEnergy->Fill(gAlice->Particle(closestPrimary)->Energy(), recParticle->Energy() ) ;
1193 fhPhotPosition->Fill(gAlice->Particle(closestPrimary)->Energy(),minDistance) ;
1194 fhEMPosition->Fill(gAlice->Particle(closestPrimary)->Energy(),minDistance) ;
1195 fhPPSDPosition->Fill(gAlice->Particle(closestPrimary)->Energy(),minDistance) ;
1197 fhPhotReg->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1198 fhPhotEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1199 fhPhotPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1201 fhPhotPhot->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1203 if(primaryType == 2112){ //neutron
1204 fhNReg->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1205 fhNEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1206 fhNPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1209 if(primaryType == -2112){ //neutron ~
1210 fhNBarReg->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1211 fhNBarEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1212 fhNBarPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1215 if(primaryCode == 2){
1216 fhChargedReg->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1217 fhChargedEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1218 fhChargedPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1221 fhAllReg->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1222 fhAllEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1223 fhAllPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1224 fhShape->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1225 fhVeto->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1226 fhPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1227 counter[0][primaryCode]++;
1229 case AliPHOSFastRecParticle::kELECTRON:
1230 if(primaryType == 22){
1231 fhPhotElec->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1232 fhEMEnergy->Fill(gAlice->Particle(closestPrimary)->Energy(), recParticle->Energy() ) ;
1233 fhEMPosition->Fill(gAlice->Particle(closestPrimary)->Energy(),minDistance) ;
1234 fhPhotEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1235 fhPhotPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1237 if(primaryType == 2112){ //neutron
1238 fhNEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1239 fhNPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1242 if(primaryType == -2112){ //neutron ~
1243 fhNBarEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1244 fhNBarPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1247 if(primaryCode == 2){
1248 fhChargedEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1249 fhChargedPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1252 fhAllEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1253 fhAllPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1254 fhShape->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1255 fhPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1256 counter[1][primaryCode]++;
1258 case AliPHOSFastRecParticle::kNEUTRALHA:
1259 if(primaryType == 22)
1260 fhPhotNeuH->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1262 fhVeto->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1263 counter[2][primaryCode]++;
1265 case AliPHOSFastRecParticle::kNEUTRALEM:
1266 if(primaryType == 22){
1267 fhEMEnergy->Fill(gAlice->Particle(closestPrimary)->Energy(),recParticle->Energy() ) ;
1268 fhEMPosition->Fill(gAlice->Particle(closestPrimary)->Energy(),minDistance ) ;
1270 fhPhotNuEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1271 fhPhotEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1273 if(primaryType == 2112) //neutron
1274 fhNEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1276 if(primaryType == -2112) //neutron ~
1277 fhNBarEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1279 if(primaryCode == 2)
1280 fhChargedEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1282 fhAllEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1283 fhShape->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1284 fhVeto->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1286 counter[3][primaryCode]++;
1288 case AliPHOSFastRecParticle::kCHARGEDHA:
1289 if(primaryType == 22) //photon
1290 fhPhotChHa->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1292 counter[4][primaryCode]++ ;
1294 case AliPHOSFastRecParticle::kGAMMAHA:
1295 if(primaryType == 22){ //photon
1296 fhPhotGaHa->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1297 fhPPSDEnergy->Fill(gAlice->Particle(closestPrimary)->Energy(), recParticle->Energy() ) ;
1298 fhPPSDPosition->Fill(gAlice->Particle(closestPrimary)->Energy(),minDistance) ;
1299 fhPhotPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1301 if(primaryType == 2112){ //neutron
1302 fhNPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1305 if(primaryType == -2112){ //neutron ~
1306 fhNBarPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1308 if(primaryCode == 2){
1309 fhChargedPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1312 fhAllPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1313 fhVeto->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1314 fhPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1315 counter[5][primaryCode]++ ;
1317 case AliPHOSFastRecParticle::kABSURDEM:
1318 counter[6][primaryCode]++ ;
1319 fhShape->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1321 case AliPHOSFastRecParticle::kABSURDHA:
1322 counter[7][primaryCode]++ ;
1325 counter[8][primaryCode]++ ;
1332 cout << "Resolutions: Analyzed " << Nevents << " event(s)" << endl ;
1333 cout << "Resolutions: Total primary " << totalPrimary << endl ;
1334 cout << "Resoluitons: Total reconstracted " << totalRecPart << endl ;
1335 cout << "TotalReconstructed with Primarie " << totalRPwithPrim << endl ;
1336 cout << " Primary: Photon Electron Ch. Hadr. Neutr. Hadr Kaons" << endl ;
1337 cout << " Detected as photon " << counter[0][0] << " " << counter[0][1] << " " << counter[0][2] << " " <<counter[0][3] << " " << counter[0][4] << endl ;
1338 cout << " Detected as electron " << counter[1][0] << " " << counter[1][1] << " " << counter[1][2] << " " <<counter[1][3] << " " << counter[1][4] << endl ;
1339 cout << " Detected as neutral hadron " << counter[2][0] << " " << counter[2][1] << " " << counter[2][2] << " " <<counter[2][3] << " " << counter[2][4] << endl ;
1340 cout << " Detected as neutral EM " << counter[3][0] << " " << counter[3][1] << " " << counter[3][2] << " " <<counter[3][3] << " " << counter[3][4] << endl ;
1341 cout << " Detected as charged hadron " << counter[4][0] << " " << counter[4][1] << " " << counter[4][2] << " " <<counter[4][3] << " " << counter[4][4] << endl ;
1342 cout << " Detected as gamma-hadron " << counter[5][0] << " " << counter[5][1] << " " << counter[5][2] << " " <<counter[5][3] << " " << counter[5][4] << endl ;
1343 cout << " Detected as Absurd EM " << counter[6][0] << " " << counter[6][1] << " " << counter[6][2] << " " <<counter[6][3] << " " << counter[6][4] << endl ;
1344 cout << " Detected as absurd hadron " << counter[7][0] << " " << counter[7][1] << " " << counter[7][2] << " " <<counter[7][3] << " " << counter[7][4] << endl ;
1345 cout << " Detected as undefined " << counter[8][0] << " " << counter[8][1] << " " << counter[8][2] << " " <<counter[8][3] << " " << counter[8][4] << endl ;
1347 for(i1 = 0; i1<9; i1++)
1348 for(i2 = 0; i2<5; i2++)
1349 totalInd+=counter[i1][i2] ;
1350 cout << "Indentified particles " << totalInd << endl ;
1355 //____________________________________________________________________________
1356 void AliPHOSAnalyze::BookingHistograms()
1358 // Books the histograms where the results of the analysis are stored (to be changed)
1361 delete fhVetoDigit ;
1362 delete fhConvertorDigit ;
1363 delete fhEmcCluster ;
1364 delete fhVetoCluster ;
1365 delete fhConvertorCluster ;
1366 delete fhConvertorEmc ;
1368 fhEmcDigit = new TH1F("hEmcDigit", "hEmcDigit", 1000, 0. , 25.);
1369 fhVetoDigit = new TH1F("hVetoDigit", "hVetoDigit", 500, 0. , 3.e-5);
1370 fhConvertorDigit = new TH1F("hConvertorDigit","hConvertorDigit", 500, 0. , 3.e-5);
1371 fhEmcCluster = new TH1F("hEmcCluster", "hEmcCluster", 1000, 0. , 30.);
1372 fhVetoCluster = new TH1F("hVetoCluster", "hVetoCluster", 500, 0. , 3.e-5);
1373 fhConvertorCluster = new TH1F("hConvertorCluster","hConvertorCluster",500, 0. , 3.e-5);
1374 fhConvertorEmc = new TH2F("hConvertorEmc", "hConvertorEmc", 200, 1. , 3., 200, 0., 3.e-5);
1377 //____________________________________________________________________________
1378 void AliPHOSAnalyze::BookResolutionHistograms()
1380 // Books the histograms where the results of the Resolution analysis are stored
1383 // delete fhAllEnergy ;
1385 // delete fhPhotEnergy ;
1387 // delete fhEMEnergy ;
1389 // delete fhPPSDEnergy ;
1392 fhAllEnergy = new TH2F("hAllEnergy", "Energy of any RP with primary photon",100, 0., 5., 100, 0., 5.);
1393 fhPhotEnergy = new TH2F("hPhotEnergy", "Energy of kGAMMA with primary photon",100, 0., 5., 100, 0., 5.);
1394 fhEMEnergy = new TH2F("hEMEnergy", "Energy of EM with primary photon", 100, 0., 5., 100, 0., 5.);
1395 fhPPSDEnergy = new TH2F("hPPSDEnergy", "Energy of PPSD with primary photon", 100, 0., 5., 100, 0., 5.);
1397 // if(fhAllPosition)
1398 // delete fhAllPosition ;
1399 // if(fhPhotPosition)
1400 // delete fhPhotPosition ;
1402 // delete fhEMPosition ;
1403 // if(fhPPSDPosition)
1404 // delete fhPPSDPosition ;
1407 fhAllPosition = new TH2F("hAllPosition", "Position of any RP with primary photon",100, 0., 5., 100, 0., 5.);
1408 fhPhotPosition = new TH2F("hPhotPosition", "Position of kGAMMA with primary photon",100, 0., 5., 100, 0., 5.);
1409 fhEMPosition = new TH2F("hEMPosition", "Position of EM with primary photon", 100, 0., 5., 100, 0., 5.);
1410 fhPPSDPosition = new TH2F("hPPSDPosition", "Position of PPSD with primary photon", 100, 0., 5., 100, 0., 5.);
1412 fhAllPositionX = new TH1F("hAllPositionX", "#Delta X of any RP with primary photon",100, -2., 2.);
1413 fhAllPositionZ = new TH1F("hAllPositionZ", "#Delta X of any RP with primary photon",100, -2., 2.);
1416 // delete fhAllReg ;
1418 // delete fhPhotReg ;
1422 // delete fhNBarReg ;
1424 // delete fhChargedReg ;
1426 fhAllReg = new TH1F("hAllReg", "All primaries registered as photon", 100, 0., 5.);
1427 fhPhotReg = new TH1F("hPhotReg", "Photon registered as photon", 100, 0., 5.);
1428 fhNReg = new TH1F("hNReg", "N registered as photon", 100, 0., 5.);
1429 fhNBarReg = new TH1F("hNBarReg", "NBar registered as photon", 100, 0., 5.);
1430 fhChargedReg= new TH1F("hChargedReg", "Charged hadron registered as photon",100, 0., 5.);
1435 // delete fhPhotEM ;
1439 // delete fhNBarEM ;
1441 // delete fhChargedEM ;
1443 fhAllEM = new TH1F("hAllEM", "All primary registered as EM",100, 0., 5.);
1444 fhPhotEM = new TH1F("hPhotEM", "Photon registered as EM", 100, 0., 5.);
1445 fhNEM = new TH1F("hNEM", "N registered as EM", 100, 0., 5.);
1446 fhNBarEM = new TH1F("hNBarEM", "NBar registered as EM", 100, 0., 5.);
1447 fhChargedEM= new TH1F("hChargedEM","Charged registered as EM",100, 0., 5.);
1450 // delete fhAllPPSD ;
1452 // delete fhPhotPPSD ;
1456 // delete fhNBarPPSD ;
1457 // if(fhChargedPPSD)
1458 // delete fhChargedPPSD ;
1460 fhAllPPSD = new TH1F("hAllPPSD", "All primary registered as PPSD",100, 0., 5.);
1461 fhPhotPPSD = new TH1F("hPhotPPSD", "Photon registered as PPSD", 100, 0., 5.);
1462 fhNPPSD = new TH1F("hNPPSD", "N registered as PPSD", 100, 0., 5.);
1463 fhNBarPPSD = new TH1F("hNBarPPSD", "NBar registered as PPSD", 100, 0., 5.);
1464 fhChargedPPSD= new TH1F("hChargedPPSD","Charged registered as PPSD",100, 0., 5.);
1467 // delete fhPrimary ;
1468 fhPrimary= new TH1F("hPrimary", "hPrimary", 100, 0., 5.);
1479 fhAllRP = new TH1F("hAllRP","All Reconstructed particles", 100, 0., 5.);
1480 fhVeto = new TH1F("hVeto", "All uncharged particles", 100, 0., 5.);
1481 fhShape = new TH1F("hShape","All particles with EM shaower",100, 0., 5.);
1482 fhPPSD = new TH1F("hPPSD", "All PPSD photon particles", 100, 0., 5.);
1486 // delete fhPhotPhot ;
1488 // delete fhPhotElec ;
1490 // delete fhPhotNeuH ;
1492 // delete fhPhotNuEM ;
1494 // delete fhPhotChHa ;
1496 // delete fhPhotGaHa ;
1498 fhPhotPhot = new TH1F("hPhotPhot","hPhotPhot", 100, 0., 5.); //Photon registered as photon
1499 fhPhotElec = new TH1F("hPhotElec","hPhotElec", 100, 0., 5.); //Photon registered as Electron
1500 fhPhotNeuH = new TH1F("hPhotNeuH","hPhotNeuH", 100, 0., 5.); //Photon registered as Neutral Hadron
1501 fhPhotNuEM = new TH1F("hPhotNuEM","hPhotNuEM", 100, 0., 5.); //Photon registered as Neutral EM
1502 fhPhotChHa = new TH1F("hPhotChHa","hPhotChHa", 100, 0., 5.); //Photon registered as Charged Hadron
1503 fhPhotGaHa = new TH1F("hPhotGaHa","hPhotGaHa", 100, 0., 5.); //Photon registered as Gamma-Hadron
1506 //____________________________________________________________________________
1507 Bool_t AliPHOSAnalyze::OpenRootFile(Text_t * name)
1509 // Open the root file named "name"
1511 fRootFile = new TFile(name, "update") ;
1512 return fRootFile->IsOpen() ;
1515 //____________________________________________________________________________
1516 void AliPHOSAnalyze::SaveHistograms()
1518 // Saves the histograms in a root file named "name.analyzed"
1520 Text_t outputname[80] ;
1521 sprintf(outputname,"%s.analyzed",fRootFile->GetName());
1522 TFile output(outputname,"RECREATE");
1526 fhAllEnergy->Write() ;
1528 fhPhotEnergy->Write() ;
1530 fhEMEnergy->Write() ;
1532 fhPPSDEnergy->Write() ;
1534 fhAllPosition->Write() ;
1536 fhAllPositionX->Write() ;
1538 fhAllPositionZ->Write() ;
1540 fhPhotPosition->Write() ;
1542 fhEMPosition->Write() ;
1544 fhPPSDPosition->Write() ;
1548 fhPhotReg->Write() ;
1552 fhNBarReg->Write() ;
1554 fhChargedReg->Write() ;
1564 fhChargedEM->Write() ;
1566 fhAllPPSD->Write() ;
1568 fhPhotPPSD->Write() ;
1572 fhNBarPPSD->Write() ;
1574 fhChargedPPSD->Write() ;
1576 fhPrimary->Write() ;
1586 fhPhotPhot->Write() ;
1588 fhPhotElec->Write() ;
1590 fhPhotNeuH->Write() ;
1592 fhPhotNuEM->Write() ;
1594 fhPhotNuEM->Write() ;
1596 fhPhotChHa->Write() ;
1598 fhPhotGaHa->Write() ;
1599 if(fhEnergyCorrelations)
1600 fhEnergyCorrelations->Write() ;
1605 //____________________________________________________________________________
1606 Float_t AliPHOSAnalyze::CorrectEnergy(Float_t ERecPart)
1608 return ERecPart/0.8783 ;
1611 //____________________________________________________________________________
1612 void AliPHOSAnalyze::ResetHistograms()
1614 fhEnergyCorrelations = 0 ; //Energy correlations between Eloss in Convertor and PPSD(2)
1616 fhEmcDigit = 0 ; // Histo of digit energies in the Emc
1617 fhVetoDigit = 0 ; // Histo of digit energies in the Veto
1618 fhConvertorDigit = 0 ; // Histo of digit energies in the Convertor
1619 fhEmcCluster = 0 ; // Histo of Cluster energies in Emc
1620 fhVetoCluster = 0 ; // Histo of Cluster energies in Veto
1621 fhConvertorCluster = 0 ; // Histo of Cluster energies in Convertor
1622 fhConvertorEmc = 0 ; // 2d Convertor versus Emc energies
1625 fhPhotEnergy = 0 ; // Total spectrum of detected photons
1626 fhEMEnergy = 0 ; // Spectrum of detected electrons with electron primary
1629 fhAllPositionX = 0 ;
1630 fhAllPositionZ = 0 ;
1631 fhPhotPosition = 0 ;
1633 fhPPSDPosition = 0 ;