[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 "AliVParticle.h"
#include "TDatabasePDG.h"
#include "TList.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();

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

        fMultiplicity++;

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