[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()
        ,fNTpcClustersCut(0)
        ,fNItsClustersCut(0)
        ,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();
    fNItsClustersCut = fCuts->GetReconstructedNItsClustersCut();
    fNTpcClustersCut = fCuts->GetReconstructedNTpcClustersCut();
    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)
{
    AliAnalysisEt::FillOutputList(list);

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

void AliAnalysisEtReconstructed::CreateHistograms()
{
    AliAnalysisEt::CreateHistograms();

    TString histname;
    histname = "fHistChargedPionEnergyDeposit" + fHistogramNameSuffix;
    fHistChargedPionEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by #pi^{+/-}", 1000, 0, 10, 1000, 0, 10);
    fHistChargedPionEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
    fHistChargedPionEnergyDeposit->SetYTitle("Energy of track");
    
    histname = "fHistProtonEnergyDeposit" + fHistogramNameSuffix;
    fHistProtonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by protons", 1000, 0, 10, 1000, 0, 10);
    fHistProtonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
    fHistProtonEnergyDeposit->SetYTitle("Energy of track");
    
    histname = "fHistAntiProtonEnergyDeposit" + fHistogramNameSuffix;
    fHistAntiProtonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by anti-protons", 1000, 0, 10, 1000, 0, 10);
    fHistAntiProtonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
    fHistAntiProtonEnergyDeposit->SetYTitle("Energy of track");
    
    histname = "fHistChargedKaonEnergyDeposit" + fHistogramNameSuffix;
    fHistChargedKaonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by K^{+/-}", 1000, 0, 10, 1000, 0, 10);
    fHistChargedKaonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
    fHistChargedKaonEnergyDeposit->SetYTitle("Energy of track");
    
    histname = "fHistMuonEnergyDeposit" + fHistogramNameSuffix;
    fHistMuonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by #mu^{+/-}", 1000, 0, 10, 1000, 0, 10);
    fHistMuonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
    fHistMuonEnergyDeposit->SetYTitle("Energy of track");
    

}

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