[u/mrichter/AliRoot.git] / PWG4 / totEt / AliAnalysisEtReconstructed.cxx

//_________________________________________________________________________
//  Utility Class for transverse energy studies
//  Base class for ESD analysis
//  - reconstruction output
//  implementation file
//
//*-- Authors: Oystein Djuvsland (Bergen), David Silvermyr (ORNL)
//_________________________________________________________________________

#include "AliAnalysisEtReconstructed.h"
#include "AliAnalysisEtCuts.h"
#include "AliESDtrack.h"
#include "AliEMCALTrack.h"
#include "AliESDCaloCluster.h"
#include "TVector3.h"
#include "TGeoGlobalMagField.h"
#include "AliMagF.h"
#include "AliVEvent.h"
#include "AliESDEvent.h"
#include "AliESDtrackCuts.h"
#include "AliVParticle.h"
#include "TDatabasePDG.h"
#include "TList.h"
#include "AliESDpid.h"
#include <iostream>
#include "TH2F.h"

AliAnalysisEtReconstructed::AliAnalysisEtReconstructed() :
        AliAnalysisEt()
        ,fTrackDistanceCut(0)
        ,fPidCut(0)
        ,fClusterType(0)
        ,fHistChargedPionEnergyDeposit(0)
        ,fHistProtonEnergyDeposit(0)
        ,fHistAntiProtonEnergyDeposit(0)
        ,fHistChargedKaonEnergyDeposit(0)
        ,fHistMuonEnergyDeposit(0)
{

}

AliAnalysisEtReconstructed::~AliAnalysisEtReconstructed() 
{
}

Int_t AliAnalysisEtReconstructed::AnalyseEvent(AliVEvent* ev)
{ // analyse ESD event
    ResetEventValues();
    AliESDEvent *event = dynamic_cast<AliESDEvent*>(ev);

    Double_t protonMass = fPdgDB->GetParticle("proton")->Mass();

    AliESDEvent *realEvent = dynamic_cast<AliESDEvent*>(ev);
    //for PID
    AliESDpid *pID = new AliESDpid();
    pID->MakePID(realEvent);
    TObjArray* list = fEsdtrackCutsTPC->GetAcceptedTracks(realEvent);
    Int_t nGoodTracks = list->GetEntries();
    for (Int_t iTrack = 0; iTrack < nGoodTracks; iTrack++)
      {
	AliESDtrack *track = dynamic_cast<AliESDtrack*> (list->At(iTrack));
        if (!track)
        {
            Printf("ERROR: Could not get track %d", iTrack);
            continue;
        }

        fMultiplicity++;


	Float_t nSigmaPion,nSigmaProton,nSigmaKaon,nSigmaElectron;
	nSigmaPion = TMath::Abs(pID->NumberOfSigmasTPC(track,AliPID::kPion));
	nSigmaProton = TMath::Abs(pID->NumberOfSigmasTPC(track,AliPID::kProton));
	nSigmaKaon = TMath::Abs(pID->NumberOfSigmasTPC(track,AliPID::kKaon));
	nSigmaElectron = TMath::Abs(pID->NumberOfSigmasTPC(track,AliPID::kElectron));
	bool isPion = (nSigmaPion<3.0 && nSigmaProton>2.0 && nSigmaKaon>2.0);
	bool isElectron = (nSigmaElectron<2.0 && nSigmaPion>4.0 && nSigmaProton>3.0 && nSigmaKaon>3.0);
	bool isKaon = (nSigmaPion>3.0 && nSigmaProton>2.0 && nSigmaKaon<2.0);
	bool isProton = (nSigmaPion>3.0 && nSigmaProton<2.0 && nSigmaKaon>2.0);


        Int_t nItsClusters = dynamic_cast<AliESDtrack*>(track)->GetNcls(0);
        Int_t nTPCClusters = dynamic_cast<AliESDtrack*>(track)->GetNcls(1);

        Float_t massPart = 0;

        const Double_t *pidWeights = track->PID();
	Int_t maxpid = -1;
        Double_t maxpidweight = 0;
            
        if (pidWeights)
        {
            for (Int_t p =0; p < AliPID::kSPECIES; p++)
            {
                if (pidWeights[p] > maxpidweight)
                {
                    maxpidweight = pidWeights[p];
                    maxpid = p;
                }
            }
            if (maxpid == AliPID::kProton)
            {
	      //by definition of ET
		massPart = -protonMass*track->Charge();
            }

        }

        Double_t et = track->E() * TMath::Sin(track->Theta()) + massPart;
	// printf("Rec track: iTrack %03d eta %4.3f phi %4.3f nITSCl %d nTPCCl %d\n", iTrack, track->Eta(), track->Phi(), nItsClusters, nTPCClusters); // tmp/debug printout

        if (TMath::Abs(track->Eta()) < fCuts->GetCommonEtaCut() && CheckGoodVertex(track) && nItsClusters > fCuts->GetReconstructedNItsClustersCut() && nTPCClusters > fCuts->GetReconstructedNTpcClustersCut() )
        {
	    fTotChargedEt +=  et;
            fChargedMultiplicity++;
	    if (maxpid != -1)
            {
                if (maxpid == AliPID::kPion)
                {
                    fProtonEt += et;
                }
                if (maxpid == AliPID::kKaon)
                {
                    fChargedKaonEt += et;
                }
                if (maxpid == AliPID::kMuon)
                {
                    fMuonEt += et;
                }
                if (maxpid == AliPID::kElectron)
                {
                    fElectronEt += et;
                }
            }

            if (TMath::Abs(track->Eta()) < fEtaCutAcc && track->Phi() < fPhiCutAccMax && track->Phi() > fPhiCutAccMin)
            {
                fTotChargedEtAcc += track->E()*TMath::Sin(track->Theta()) + massPart;
		if (maxpid != -1)
                {
                    if (maxpid == AliPID::kPion)
                    {
                        fProtonEtAcc += et;
                    }
                    if (maxpid == AliPID::kKaon)
                    {
                        fChargedKaonEtAcc += et;
                    }
                    if (maxpid == AliPID::kMuon)
                    {
                        fMuonEtAcc += et;
                    }
                    if (maxpid == AliPID::kElectron)
                    {
                        fElectronEtAcc += et;
                    }
                }
           
            }
        }

        if (TrackHitsCalorimeter(track, event->GetMagneticField()))
        {
	  Double_t phi = track->Phi();
	  Double_t pt = track->Pt();
	  // printf("Rec track hit: iTrack %03d phi %4.3f pt %4.3f\n", iTrack, phi, pt); // tmp/debug printout
	  if (track->Charge() > 0) fHistPhivsPtPos->Fill(phi, pt);
	  else fHistPhivsPtNeg->Fill(phi, pt);
        }
    }

    for (Int_t iCluster = 0; iCluster < event->GetNumberOfCaloClusters(); iCluster++)
    {
        AliESDCaloCluster* cluster = event->GetCaloCluster(iCluster);
        if (!cluster)
        {
            Printf("ERROR: Could not get cluster %d", iCluster);
            continue;
        }

	if (cluster->GetType() != fClusterType) continue;
	//if(cluster->GetTracksMatched() > 0) 
	//printf("Rec Cluster: iCluster %03d E %4.3f type %d NCells %d, nmatched: %d, distance to closest: %f\n", iCluster, cluster->E(), (int)(cluster->GetType()), cluster->GetNCells(), cluster->GetNTracksMatched(), cluster->GetEmcCpvDistance()); // tmp/debug printout
	       
        
        if (cluster->E() < fClusterEnergyCut) continue;
        Float_t pos[3];
        TVector3 cp(pos);
        cluster->GetPosition(pos);

	Double_t distance = cluster->GetEmcCpvDistance();
	Int_t trackMatchedIndex = cluster->GetTrackMatchedIndex();
	if ( cluster->IsEMCAL() ) {
	  distance = CalcTrackClusterDistance(pos, &trackMatchedIndex, event);
	}

	fHistTMDeltaR->Fill(distance);
        if (distance < fTrackDistanceCut)
        {
            if (cluster->GetNTracksMatched() == 1 && trackMatchedIndex>0)
            {
                AliVTrack *track = event->GetTrack(trackMatchedIndex);
                const Double_t *pidWeights = track->PID();
                
		Double_t maxpidweight = 0;
		Int_t maxpid = 0;
                
		if (pidWeights)
                {
                    for (Int_t p =0; p < AliPID::kSPECIES; p++)
                    {
                        if (pidWeights[p] > maxpidweight)
                        {
                            maxpidweight = pidWeights[p];
                            maxpid = p;
                        }
                    }
                    if(maxpidweight > fPidCut)
		    {
		       if(maxpid == AliPID::kProton)
		       {
			  if(track->Charge() == 1)
			  {
			     fHistProtonEnergyDeposit->Fill(cluster->E(), track->E());
			  }
			  else if(track->Charge() == -1)
			  {
			     fHistAntiProtonEnergyDeposit->Fill(cluster->E(), track->E());
			  }
		       }
		       else if(maxpid == AliPID::kPion)
		       {
			  fHistChargedPionEnergyDeposit->Fill(cluster->E(), track->E());
		       }
		       else if(maxpid == AliPID::kKaon)
		       {
			  fHistChargedKaonEnergyDeposit->Fill(cluster->E(), track->E());
		       }   
		       else if(maxpid == AliPID::kMuon)
		       {
			  fHistMuonEnergyDeposit->Fill(cluster->E(), track->E());
		       }
		    }
                }
            }

            continue;
        } // distance

        if (cluster->E() >  fSingleCellEnergyCut && cluster->GetNCells() == fCuts->GetCommonSingleCell()) continue;

        cluster->GetPosition(pos);
      
	// TODO: replace with TVector3, too lazy now...

        float dist = TMath::Sqrt(pos[0]*pos[0] + pos[1]*pos[1]);

        float theta = TMath::ATan(pos[2]/dist)+TMath::Pi()/2;
        // float eta = TMath::Log(TMath::Abs( TMath::Tan( 0.5 * theta ) ) );
        fTotNeutralEt += cluster->E() * TMath::Sin(theta);
	fNeutralMultiplicity++;

        fMultiplicity++;
    }

    fTotNeutralEtAcc = fTotNeutralEt;
    fTotEt = fTotChargedEt + fTotNeutralEt;
    fTotEtAcc = fTotChargedEtAcc + fTotNeutralEtAcc;

    // Fill the histograms...
    FillHistograms();

    return 0;
}

bool AliAnalysisEtReconstructed::CheckGoodVertex(AliVParticle* track)
{ // check vertex

    Float_t bxy = 999.;
    Float_t bz = 999.;
    dynamic_cast<AliESDtrack*>(track)->GetImpactParametersTPC(bxy,bz);

    bool status = (TMath::Abs(track->Xv()) < fCuts->GetReconstructedVertexXCut()) && 
      (TMath::Abs(track->Yv()) < fCuts->GetReconstructedVertexYCut()) && 
      (TMath::Abs(track->Zv()) < fCuts->GetReconstructedVertexZCut()) && 
      (TMath::Abs(bxy) < fCuts->GetReconstructedIPxyCut()) && 
      (TMath::Abs(bz) < fCuts->GetReconstructedIPzCut()); 

    return status;
}

void AliAnalysisEtReconstructed::Init()
{ // Init
    AliAnalysisEt::Init();
    fPidCut = fCuts->GetReconstructedPidCut();
    TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", 1., 1., AliMagF::k5kG));

}

bool AliAnalysisEtReconstructed::TrackHitsCalorimeter(AliVParticle* track, Double_t magField)
{ // propagate track to detector radius

   AliESDtrack *esdTrack = dynamic_cast<AliESDtrack*>(track);
   // Printf("Propagating track: eta: %f, phi: %f, pt: %f", esdTrack->Eta(), esdTrack->Phi(), esdTrack->Pt());

    Bool_t prop = esdTrack->PropagateTo(fDetectorRadius, magField);

    // if (prop) Printf("Track propagated, eta: %f, phi: %f, pt: %f", esdTrack->Eta(), esdTrack->Phi(), esdTrack->Pt());
    return prop && 
		   TMath::Abs(esdTrack->Eta()) < fEtaCutAcc && 
		   esdTrack->Phi() > fPhiCutAccMin*TMath::Pi()/180. && 
		   esdTrack->Phi() < fPhiCutAccMax*TMath::Pi()/180.;
}

void AliAnalysisEtReconstructed::FillOutputList(TList* list)
{ // add some extra histograms to the ones from base class
    AliAnalysisEt::FillOutputList(list);

    list->Add(fHistChargedPionEnergyDeposit);
    list->Add(fHistProtonEnergyDeposit);
    list->Add(fHistAntiProtonEnergyDeposit);
    list->Add(fHistChargedKaonEnergyDeposit);
    list->Add(fHistMuonEnergyDeposit);
}

void AliAnalysisEtReconstructed::CreateHistograms()
{ // add some extra histograms to the ones from base class
    AliAnalysisEt::CreateHistograms();

    Int_t nbinsEt = 1000;
    Double_t minEt = 0;
    Double_t maxEt = 10;

    // possibly change histogram limits
    if (fCuts) {
      nbinsEt = fCuts->GetHistNbinsParticleEt();
      minEt = fCuts->GetHistMinParticleEt();
      maxEt = fCuts->GetHistMaxParticleEt();
    }

    TString histname;
    histname = "fHistChargedPionEnergyDeposit" + fHistogramNameSuffix;
    fHistChargedPionEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by #pi^{+/-}", nbinsEt, minEt, maxEt, nbinsEt, minEt, maxEt);
    fHistChargedPionEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
    fHistChargedPionEnergyDeposit->SetYTitle("Energy of track");
    
    histname = "fHistProtonEnergyDeposit" + fHistogramNameSuffix;
    fHistProtonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by protons", nbinsEt, minEt, maxEt, nbinsEt, minEt, maxEt);
    fHistProtonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
    fHistProtonEnergyDeposit->SetYTitle("Energy of track");
    
    histname = "fHistAntiProtonEnergyDeposit" + fHistogramNameSuffix;
    fHistAntiProtonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by anti-protons", nbinsEt, minEt, maxEt, nbinsEt, minEt, maxEt);
    fHistAntiProtonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
    fHistAntiProtonEnergyDeposit->SetYTitle("Energy of track");
    
    histname = "fHistChargedKaonEnergyDeposit" + fHistogramNameSuffix;
    fHistChargedKaonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by K^{+/-}", nbinsEt, minEt, maxEt, nbinsEt, minEt, maxEt);
    fHistChargedKaonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
    fHistChargedKaonEnergyDeposit->SetYTitle("Energy of track");
    
    histname = "fHistMuonEnergyDeposit" + fHistogramNameSuffix;
    fHistMuonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by #mu^{+/-}", nbinsEt, minEt, maxEt, nbinsEt, minEt, maxEt);
    fHistMuonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
    fHistMuonEnergyDeposit->SetYTitle("Energy of track");
    

}

Double_t 
AliAnalysisEtReconstructed::CalcTrackClusterDistance(const Float_t clsPos[3],
						     Int_t *trkMatchId,
						     const AliESDEvent *event)
{ // calculate distance between cluster and closest track

  Double_t trkPos[3] = {0,0,0};

  Int_t bestTrkMatchId = -1;
  Double_t distance = 9999; // init to a big number

  Double_t dist = 0;
  Double_t distX = 0, distY = 0, distZ = 0;
 
  for (Int_t iTrack = 0; iTrack < event->GetNumberOfTracks(); iTrack++) {
    AliESDtrack *track = event->GetTrack(iTrack);
    if (!track) {
      Printf("ERROR: Could not get track %d", iTrack);
      continue;
    }

    // check for approx. eta and phi range before we propagate..
    // TBD

    AliEMCALTrack *emctrack = new AliEMCALTrack(*track);
    if (!emctrack->PropagateToGlobal(clsPos[0],clsPos[1],clsPos[2],0.,0.) ) {
      continue;
    }
    emctrack->GetXYZ(trkPos);
    if (emctrack) delete emctrack;

    distX = clsPos[0]-trkPos[0];
    distY = clsPos[1]-trkPos[1];
    distZ = clsPos[2]-trkPos[2];
    dist = TMath::Sqrt(distX*distX + distY*distY + distZ*distZ);

    if (dist < distance) {
      distance = dist;
      bestTrkMatchId = iTrack;
    }
  } // iTrack

  //  printf("CalcTrackClusterDistance: bestTrkMatch %d origTrkMatch %d distance %f\n", bestTrkMatchId, *trkMatchId, distance);
  *trkMatchId = bestTrkMatchId;
  return distance;
}
Commit	Line	Data
cf6522d1	1	//_________________________________________________________________________
	2	// Utility Class for transverse energy studies
	3	// Base class for ESD analysis
	4	// - reconstruction output
	5	// implementation file
	6	//
	7	//*-- Authors: Oystein Djuvsland (Bergen), David Silvermyr (ORNL)
	8	//_________________________________________________________________________
2fbf38ac	9
	10	#include "AliAnalysisEtReconstructed.h"
	11	#include "AliAnalysisEtCuts.h"
	12	#include "AliESDtrack.h"
ba136eb4	13	#include "AliEMCALTrack.h"
2fbf38ac	14	#include "AliESDCaloCluster.h"
2fbf38ac	15	#include "TVector3.h"
ba136eb4	16	#include "TGeoGlobalMagField.h"
ba136eb4	17	#include "AliMagF.h"
2fbf38ac	18	#include "AliVEvent.h"
2fbf38ac	19	#include "AliESDEvent.h"
b5821c13	20	#include "AliESDtrackCuts.h"
2fbf38ac	21	#include "AliVParticle.h"
87efb15c	22	#include "TDatabasePDG.h"
87efb15c	23	#include "TList.h"
b5821c13	24	#include "AliESDpid.h"
2fbf38ac	25	#include <iostream>
	26	#include "TH2F.h"
	27
	28	AliAnalysisEtReconstructed::AliAnalysisEtReconstructed() :
	29	AliAnalysisEt()
2fbf38ac	30	,fTrackDistanceCut(0)
87efb15c	31	,fPidCut(0)
2fbf38ac	32	,fClusterType(0)
87efb15c	33	,fHistChargedPionEnergyDeposit(0)
	34	,fHistProtonEnergyDeposit(0)
	35	,fHistAntiProtonEnergyDeposit(0)
	36	,fHistChargedKaonEnergyDeposit(0)
	37	,fHistMuonEnergyDeposit(0)
2fbf38ac	38	{
	39
	40	}
	41
cf6522d1	42	AliAnalysisEtReconstructed::~AliAnalysisEtReconstructed()
2fbf38ac	43	{
cf6522d1	44	}
	45
	46	Int_t AliAnalysisEtReconstructed::AnalyseEvent(AliVEvent* ev)
	47	{ // analyse ESD event
2fbf38ac	48	ResetEventValues();
	49	AliESDEvent event = dynamic_cast<AliESDEvent>(ev);
	50
87efb15c	51	Double_t protonMass = fPdgDB->GetParticle("proton")->Mass();
87efb15c	52
b5821c13	53	AliESDEvent realEvent = dynamic_cast<AliESDEvent>(ev);
	54	//for PID
	55	AliESDpid *pID = new AliESDpid();
	56	pID->MakePID(realEvent);
	57	TObjArray* list = fEsdtrackCutsTPC->GetAcceptedTracks(realEvent);
	58	Int_t nGoodTracks = list->GetEntries();
	59	for (Int_t iTrack = 0; iTrack < nGoodTracks; iTrack++)
	60	{
	61	AliESDtrack track = dynamic_cast<AliESDtrack> (list->At(iTrack));
2fbf38ac	62	if (!track)
	63	{
	64	Printf("ERROR: Could not get track %d", iTrack);
	65	continue;
	66	}
	67
	68	fMultiplicity++;
	69
b5821c13	70
	71	Float_t nSigmaPion,nSigmaProton,nSigmaKaon,nSigmaElectron;
	72	nSigmaPion = TMath::Abs(pID->NumberOfSigmasTPC(track,AliPID::kPion));
	73	nSigmaProton = TMath::Abs(pID->NumberOfSigmasTPC(track,AliPID::kProton));
	74	nSigmaKaon = TMath::Abs(pID->NumberOfSigmasTPC(track,AliPID::kKaon));
	75	nSigmaElectron = TMath::Abs(pID->NumberOfSigmasTPC(track,AliPID::kElectron));
	76	bool isPion = (nSigmaPion<3.0 && nSigmaProton>2.0 && nSigmaKaon>2.0);
	77	bool isElectron = (nSigmaElectron<2.0 && nSigmaPion>4.0 && nSigmaProton>3.0 && nSigmaKaon>3.0);
	78	bool isKaon = (nSigmaPion>3.0 && nSigmaProton>2.0 && nSigmaKaon<2.0);
	79	bool isProton = (nSigmaPion>3.0 && nSigmaProton<2.0 && nSigmaKaon>2.0);
	80
	81
2fbf38ac	82	Int_t nItsClusters = dynamic_cast<AliESDtrack*>(track)->GetNcls(0);
	83	Int_t nTPCClusters = dynamic_cast<AliESDtrack*>(track)->GetNcls(1);
	84
	85	Float_t massPart = 0;
	86
	87	const Double_t *pidWeights = track->PID();
87efb15c	88	Int_t maxpid = -1;
	89	Double_t maxpidweight = 0;
	90
2fbf38ac	91	if (pidWeights)
2fbf38ac	92	{
2fbf38ac	93	for (Int_t p =0; p < AliPID::kSPECIES; p++)
	94	{
	95	if (pidWeights[p] > maxpidweight)
	96	{
	97	maxpidweight = pidWeights[p];
	98	maxpid = p;
	99	}
	100	}
	101	if (maxpid == AliPID::kProton)
	102	{
87efb15c	103	//by definition of ET
87efb15c	104	massPart = -protonMass*track->Charge();
2fbf38ac	105	}
	106
	107	}
	108
	109	Double_t et = track->E() * TMath::Sin(track->Theta()) + massPart;
cf6522d1	110	// printf("Rec track: iTrack %03d eta %4.3f phi %4.3f nITSCl %d nTPCCl %d\n", iTrack, track->Eta(), track->Phi(), nItsClusters, nTPCClusters); // tmp/debug printout
2fbf38ac	111
4998becf	112	if (TMath::Abs(track->Eta()) < fCuts->GetCommonEtaCut() && CheckGoodVertex(track) && nItsClusters > fCuts->GetReconstructedNItsClustersCut() && nTPCClusters > fCuts->GetReconstructedNTpcClustersCut() )
2fbf38ac	113	{
	114	fTotChargedEt += et;
	115	fChargedMultiplicity++;
87efb15c	116	if (maxpid != -1)
	117	{
	118	if (maxpid == AliPID::kPion)
	119	{
	120	fProtonEt += et;
	121	}
	122	if (maxpid == AliPID::kKaon)
	123	{
	124	fChargedKaonEt += et;
	125	}
	126	if (maxpid == AliPID::kMuon)
	127	{
	128	fMuonEt += et;
	129	}
	130	if (maxpid == AliPID::kElectron)
	131	{
	132	fElectronEt += et;
	133	}
	134	}
2fbf38ac	135
	136	if (TMath::Abs(track->Eta()) < fEtaCutAcc && track->Phi() < fPhiCutAccMax && track->Phi() > fPhiCutAccMin)
	137	{
	138	fTotChargedEtAcc += track->E()*TMath::Sin(track->Theta()) + massPart;
87efb15c	139	if (maxpid != -1)
	140	{
	141	if (maxpid == AliPID::kPion)
	142	{
	143	fProtonEtAcc += et;
	144	}
	145	if (maxpid == AliPID::kKaon)
	146	{
	147	fChargedKaonEtAcc += et;
	148	}
	149	if (maxpid == AliPID::kMuon)
	150	{
	151	fMuonEtAcc += et;
	152	}
	153	if (maxpid == AliPID::kElectron)
	154	{
	155	fElectronEtAcc += et;
	156	}
	157	}
	158
2fbf38ac	159	}
	160	}
	161
2fbf38ac	162	if (TrackHitsCalorimeter(track, event->GetMagneticField()))
2fbf38ac	163	{
13b0d3c1	164	Double_t phi = track->Phi();
13b0d3c1	165	Double_t pt = track->Pt();
cf6522d1	166	// printf("Rec track hit: iTrack %03d phi %4.3f pt %4.3f\n", iTrack, phi, pt); // tmp/debug printout
13b0d3c1	167	if (track->Charge() > 0) fHistPhivsPtPos->Fill(phi, pt);
13b0d3c1	168	else fHistPhivsPtNeg->Fill(phi, pt);
2fbf38ac	169	}
	170	}
	171
	172	for (Int_t iCluster = 0; iCluster < event->GetNumberOfCaloClusters(); iCluster++)
	173	{
	174	AliESDCaloCluster* cluster = event->GetCaloCluster(iCluster);
	175	if (!cluster)
	176	{
	177	Printf("ERROR: Could not get cluster %d", iCluster);
	178	continue;
	179	}
	180
87efb15c	181	if (cluster->GetType() != fClusterType) continue;
ba136eb4	182	//if(cluster->GetTracksMatched() > 0)
87efb15c	183	//printf("Rec Cluster: iCluster %03d E %4.3f type %d NCells %d, nmatched: %d, distance to closest: %f\n", iCluster, cluster->E(), (int)(cluster->GetType()), cluster->GetNCells(), cluster->GetNTracksMatched(), cluster->GetEmcCpvDistance()); // tmp/debug printout
	184
	185
2fbf38ac	186	if (cluster->E() < fClusterEnergyCut) continue;
	187	Float_t pos[3];
	188	TVector3 cp(pos);
	189	cluster->GetPosition(pos);
87efb15c	190
ba136eb4	191	Double_t distance = cluster->GetEmcCpvDistance();
	192	Int_t trackMatchedIndex = cluster->GetTrackMatchedIndex();
	193	if ( cluster->IsEMCAL() ) {
	194	distance = CalcTrackClusterDistance(pos, &trackMatchedIndex, event);
	195	}
	196
	197	fHistTMDeltaR->Fill(distance);
	198	if (distance < fTrackDistanceCut)
2fbf38ac	199	{
ba136eb4	200	if (cluster->GetNTracksMatched() == 1 && trackMatchedIndex>0)
87efb15c	201	{
ba136eb4	202	AliVTrack *track = event->GetTrack(trackMatchedIndex);
87efb15c	203	const Double_t *pidWeights = track->PID();
	204
	205	Double_t maxpidweight = 0;
	206	Int_t maxpid = 0;
	207
	208	if (pidWeights)
	209	{
	210	for (Int_t p =0; p < AliPID::kSPECIES; p++)
	211	{
	212	if (pidWeights[p] > maxpidweight)
	213	{
	214	maxpidweight = pidWeights[p];
	215	maxpid = p;
	216	}
	217	}
	218	if(maxpidweight > fPidCut)
	219	{
	220	if(maxpid == AliPID::kProton)
	221	{
	222	if(track->Charge() == 1)
	223	{
	224	fHistProtonEnergyDeposit->Fill(cluster->E(), track->E());
	225	}
	226	else if(track->Charge() == -1)
	227	{
	228	fHistAntiProtonEnergyDeposit->Fill(cluster->E(), track->E());
	229	}
	230	}
	231	else if(maxpid == AliPID::kPion)
	232	{
	233	fHistChargedPionEnergyDeposit->Fill(cluster->E(), track->E());
	234	}
	235	else if(maxpid == AliPID::kKaon)
	236	{
	237	fHistChargedKaonEnergyDeposit->Fill(cluster->E(), track->E());
	238	}
	239	else if(maxpid == AliPID::kMuon)
	240	{
	241	fHistMuonEnergyDeposit->Fill(cluster->E(), track->E());
	242	}
	243	}
	244	}
	245	}
	246
2fbf38ac	247	continue;
ba136eb4	248	} // distance
2fbf38ac	249
4998becf	250	if (cluster->E() > fSingleCellEnergyCut && cluster->GetNCells() == fCuts->GetCommonSingleCell()) continue;
2fbf38ac	251
	252	cluster->GetPosition(pos);
	253
	254	// TODO: replace with TVector3, too lazy now...
	255
	256	float dist = TMath::Sqrt(pos[0]pos[0] + pos[1]pos[1]);
	257
	258	float theta = TMath::ATan(pos[2]/dist)+TMath::Pi()/2;
	259	// float eta = TMath::Log(TMath::Abs( TMath::Tan( 0.5 * theta ) ) );
	260	fTotNeutralEt += cluster->E() * TMath::Sin(theta);
13b0d3c1	261	fNeutralMultiplicity++;
2fbf38ac	262
2fbf38ac	263	fMultiplicity++;
2fbf38ac	264	}
	265
	266	fTotNeutralEtAcc = fTotNeutralEt;
	267	fTotEt = fTotChargedEt + fTotNeutralEt;
	268	fTotEtAcc = fTotChargedEtAcc + fTotNeutralEtAcc;
	269
2fbf38ac	270	// Fill the histograms...
	271	FillHistograms();
	272
	273	return 0;
	274	}
	275
	276	bool AliAnalysisEtReconstructed::CheckGoodVertex(AliVParticle* track)
cf6522d1	277	{ // check vertex
2fbf38ac	278
	279	Float_t bxy = 999.;
	280	Float_t bz = 999.;
	281	dynamic_cast<AliESDtrack*>(track)->GetImpactParametersTPC(bxy,bz);
	282
4998becf	283	bool status = (TMath::Abs(track->Xv()) < fCuts->GetReconstructedVertexXCut()) &&
	284	(TMath::Abs(track->Yv()) < fCuts->GetReconstructedVertexYCut()) &&
	285	(TMath::Abs(track->Zv()) < fCuts->GetReconstructedVertexZCut()) &&
	286	(TMath::Abs(bxy) < fCuts->GetReconstructedIPxyCut()) &&
	287	(TMath::Abs(bz) < fCuts->GetReconstructedIPzCut());
2fbf38ac	288
4998becf	289	return status;
2fbf38ac	290	}
	291
	292	void AliAnalysisEtReconstructed::Init()
cf6522d1	293	{ // Init
2fbf38ac	294	AliAnalysisEt::Init();
83d0f02c	295	fPidCut = fCuts->GetReconstructedPidCut();
ba136eb4	296	TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", 1., 1., AliMagF::k5kG));
ba136eb4	297
2fbf38ac	298	}
	299
	300	bool AliAnalysisEtReconstructed::TrackHitsCalorimeter(AliVParticle* track, Double_t magField)
cf6522d1	301	{ // propagate track to detector radius
2fbf38ac	302
2fbf38ac	303	AliESDtrack esdTrack = dynamic_cast<AliESDtrack>(track);
cf6522d1	304	// Printf("Propagating track: eta: %f, phi: %f, pt: %f", esdTrack->Eta(), esdTrack->Phi(), esdTrack->Pt());
2fbf38ac	305
	306	Bool_t prop = esdTrack->PropagateTo(fDetectorRadius, magField);
	307
cf6522d1	308	// if (prop) Printf("Track propagated, eta: %f, phi: %f, pt: %f", esdTrack->Eta(), esdTrack->Phi(), esdTrack->Pt());
2fbf38ac	309	return prop &&
	310	TMath::Abs(esdTrack->Eta()) < fEtaCutAcc &&
	311	esdTrack->Phi() > fPhiCutAccMin*TMath::Pi()/180. &&
	312	esdTrack->Phi() < fPhiCutAccMax*TMath::Pi()/180.;
	313	}
	314
87efb15c	315	void AliAnalysisEtReconstructed::FillOutputList(TList* list)
ce546038	316	{ // add some extra histograms to the ones from base class
87efb15c	317	AliAnalysisEt::FillOutputList(list);
	318
	319	list->Add(fHistChargedPionEnergyDeposit);
	320	list->Add(fHistProtonEnergyDeposit);
	321	list->Add(fHistAntiProtonEnergyDeposit);
	322	list->Add(fHistChargedKaonEnergyDeposit);
	323	list->Add(fHistMuonEnergyDeposit);
	324	}
	325
	326	void AliAnalysisEtReconstructed::CreateHistograms()
ce546038	327	{ // add some extra histograms to the ones from base class
87efb15c	328	AliAnalysisEt::CreateHistograms();
87efb15c	329
0fa8c632	330	Int_t nbinsEt = 1000;
	331	Double_t minEt = 0;
	332	Double_t maxEt = 10;
	333
	334	// possibly change histogram limits
	335	if (fCuts) {
	336	nbinsEt = fCuts->GetHistNbinsParticleEt();
	337	minEt = fCuts->GetHistMinParticleEt();
	338	maxEt = fCuts->GetHistMaxParticleEt();
	339	}
	340
87efb15c	341	TString histname;
87efb15c	342	histname = "fHistChargedPionEnergyDeposit" + fHistogramNameSuffix;
0fa8c632	343	fHistChargedPionEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by #pi^{+/-}", nbinsEt, minEt, maxEt, nbinsEt, minEt, maxEt);
87efb15c	344	fHistChargedPionEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
	345	fHistChargedPionEnergyDeposit->SetYTitle("Energy of track");
	346
	347	histname = "fHistProtonEnergyDeposit" + fHistogramNameSuffix;
0fa8c632	348	fHistProtonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by protons", nbinsEt, minEt, maxEt, nbinsEt, minEt, maxEt);
87efb15c	349	fHistProtonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
	350	fHistProtonEnergyDeposit->SetYTitle("Energy of track");
	351
	352	histname = "fHistAntiProtonEnergyDeposit" + fHistogramNameSuffix;
0fa8c632	353	fHistAntiProtonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by anti-protons", nbinsEt, minEt, maxEt, nbinsEt, minEt, maxEt);
87efb15c	354	fHistAntiProtonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
	355	fHistAntiProtonEnergyDeposit->SetYTitle("Energy of track");
	356
	357	histname = "fHistChargedKaonEnergyDeposit" + fHistogramNameSuffix;
0fa8c632	358	fHistChargedKaonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by K^{+/-}", nbinsEt, minEt, maxEt, nbinsEt, minEt, maxEt);
87efb15c	359	fHistChargedKaonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
	360	fHistChargedKaonEnergyDeposit->SetYTitle("Energy of track");
	361
	362	histname = "fHistMuonEnergyDeposit" + fHistogramNameSuffix;
0fa8c632	363	fHistMuonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by #mu^{+/-}", nbinsEt, minEt, maxEt, nbinsEt, minEt, maxEt);
87efb15c	364	fHistMuonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
	365	fHistMuonEnergyDeposit->SetYTitle("Energy of track");
	366
	367
	368	}
ba136eb4	369
ba136eb4	370	Double_t
ce546038	371	AliAnalysisEtReconstructed::CalcTrackClusterDistance(const Float_t clsPos[3],
ba136eb4	372	Int_t *trkMatchId,
ce546038	373	const AliESDEvent *event)
ba136eb4	374	{ // calculate distance between cluster and closest track
	375
	376	Double_t trkPos[3] = {0,0,0};
	377
	378	Int_t bestTrkMatchId = -1;
	379	Double_t distance = 9999; // init to a big number
	380
	381	Double_t dist = 0;
	382	Double_t distX = 0, distY = 0, distZ = 0;
	383
	384	for (Int_t iTrack = 0; iTrack < event->GetNumberOfTracks(); iTrack++) {
	385	AliESDtrack *track = event->GetTrack(iTrack);
	386	if (!track) {
	387	Printf("ERROR: Could not get track %d", iTrack);
	388	continue;
	389	}
	390
	391	// check for approx. eta and phi range before we propagate..
	392	// TBD
	393
	394	AliEMCALTrack emctrack = new AliEMCALTrack(track);
	395	if (!emctrack->PropagateToGlobal(clsPos[0],clsPos[1],clsPos[2],0.,0.) ) {
	396	continue;
	397	}
	398	emctrack->GetXYZ(trkPos);
	399	if (emctrack) delete emctrack;
	400
	401	distX = clsPos[0]-trkPos[0];
	402	distY = clsPos[1]-trkPos[1];
	403	distZ = clsPos[2]-trkPos[2];
	404	dist = TMath::Sqrt(distXdistX + distYdistY + distZ*distZ);
	405
	406	if (dist < distance) {
	407	distance = dist;
	408	bestTrkMatchId = iTrack;
	409	}
	410	} // iTrack
	411
	412	// printf("CalcTrackClusterDistance: bestTrkMatch %d origTrkMatch %d distance %f\n", bestTrkMatchId, *trkMatchId, distance);
	413	*trkMatchId = bestTrkMatchId;
	414	return distance;
	415	}