void CountPrimaries(TH1F *hMultCount) {
if (hMultCount==0) hMultCount = new TH1F("mult","averaged multiplicity (charg. prim)",80,-4.,4.);
AliRunLoader *rl = AliRunLoader::Open("galice.root");
rl->SetKineFileName("Kinematics.root");
rl->LoadHeader();
rl->LoadKinematics();
Int_t nEvents = rl->GetNumberOfEvents();
cout<< "N events "<<nEvents<<endl;
for(Int_t iEv=0; iEv<nEvents; iEv++){
rl->GetEvent(iEv);
AliStack *s = rl->Stack();
for(Int_t iP=0; iP<s->GetNtrack(); iP++ ){
TParticle *p = s->Particle(iP);
if (!(s->IsPhysicalPrimary(iP))) continue;
Float_t eta = p->Eta();
if (p->Pt()>0.06) {
hMultCount->Fill(eta);
}
}
}
hMultCount->DrawCopy();
rl->UnloadHeader();
rl->UnloadKinematics();
delete rl;
}
//_____________________________________________________________________________
Bool_t ProofPythia::Process(Long64_t entry)
{
// Main event loop
fPythia->GenerateEvent();
if (entry < 2)
fPythia->EventListing();
fPythia->ImportParticles(fP, "All");
Int_t nTot = fPythia->GetN();
fPythia->ImportParticles(fP, "All");
Int_t np = fP->GetEntriesFast();
// Particle loop
Int_t nCharged = 0;
for (Int_t ip = 0; ip < np; ip++) {
TParticle* part = (TParticle*) fP->At(ip);
Int_t ist = part->GetStatusCode();
Int_t pdg = part->GetPdgCode();
if (ist != 1) continue;
Float_t charge = TDatabasePDG::Instance()->GetParticle(pdg)->Charge();
if (charge == 0.) continue;
nCharged++;
Float_t eta = part->Eta();
Float_t pt = part->Pt();
if (pt > 0.) fPt->Fill(pt);
if ((eta > -10) && (eta < 10)) fEta->Fill(eta);
}
fHist->Fill(nCharged);
fTot->Fill(nTot);
return kTRUE;
}
void pythia8(Int_t nev = 100, Int_t ndeb = 1)
{
const char *p8dataenv = gSystem->Getenv("PYTHIA8DATA");
if (!p8dataenv) {
const char *p8env = gSystem->Getenv("PYTHIA8");
if (!p8env) {
Error("pythia8.C",
"Environment variable PYTHIA8 must contain path to pythia directory!");
return;
}
TString p8d = p8env;
p8d += "/xmldoc";
gSystem->Setenv("PYTHIA8DATA", p8d);
}
const char* path = gSystem->ExpandPathName("$PYTHIA8DATA");
if (gSystem->AccessPathName(path)) {
Error("pythia8.C",
"Environment variable PYTHIA8DATA must contain path to $PYTHIA8/xmldoc directory !");
return;
}
// Load libraries
#ifndef G__WIN32 // Pythia8 is a static library on Windows
if (gSystem->Getenv("PYTHIA8")) {
gSystem->Load("$PYTHIA8/lib/libpythia8");
} else {
gSystem->Load("libpythia8");
}
#endif
gSystem->Load("libEG");
gSystem->Load("libEGPythia8");
// Histograms
TH1F* etaH = new TH1F("etaH", "Pseudorapidity", 120, -12., 12.);
TH1F* ptH = new TH1F("ptH", "pt", 50, 0., 10.);
// Array of particles
TClonesArray* particles = new TClonesArray("TParticle", 1000);
// Create pythia8 object
TPythia8* pythia8 = new TPythia8();
// Configure
pythia8->ReadString("HardQCD:all = on");
// Initialize
pythia8->Initialize(2212 /* p */, 2212 /* p */, 14000. /* TeV */);
// Event loop
for (Int_t iev = 0; iev < nev; iev++) {
pythia8->GenerateEvent();
if (iev < ndeb) pythia8->EventListing();
pythia8->ImportParticles(particles,"All");
Int_t np = particles->GetEntriesFast();
// Particle loop
for (Int_t ip = 0; ip < np; ip++) {
TParticle* part = (TParticle*) particles->At(ip);
Int_t ist = part->GetStatusCode();
// Positive codes are final particles.
if (ist <= 0) continue;
Int_t pdg = part->GetPdgCode();
Float_t charge = TDatabasePDG::Instance()->GetParticle(pdg)->Charge();
if (charge == 0.) continue;
Float_t eta = part->Eta();
Float_t pt = part->Pt();
etaH->Fill(eta);
if (pt > 0.) ptH->Fill(pt, 1./(2. * pt));
}
}
pythia8->PrintStatistics();
TCanvas* c1 = new TCanvas("c1","Pythia8 test example",800,800);
c1->Divide(1, 2);
c1->cd(1);
etaH->Scale(5./Float_t(nev));
etaH->Draw();
etaH->SetXTitle("#eta");
etaH->SetYTitle("dN/d#eta");
c1->cd(2);
gPad->SetLogy();
ptH->Scale(5./Float_t(nev));
ptH->Draw();
ptH->SetXTitle("p_{t} [GeV/c]");
ptH->SetYTitle("dN/dp_{t}^{2} [GeV/c]^{-2}");
}
Bool_t CheckESD(const char* gAliceFileName = "galice.root",
const char* esdFileName = "AliESDs.root")
{
// check the content of the ESD
// check values
Int_t checkNGenLow = 1;
Double_t checkEffLow = 0.5;
Double_t checkEffSigma = 3;
Double_t checkFakeHigh = 0.5;
Double_t checkFakeSigma = 3;
Double_t checkResPtInvHigh = 5;
Double_t checkResPtInvSigma = 3;
Double_t checkResPhiHigh = 10;
Double_t checkResPhiSigma = 3;
Double_t checkResThetaHigh = 10;
Double_t checkResThetaSigma = 3;
Double_t checkPIDEffLow = 0.5;
Double_t checkPIDEffSigma = 3;
Double_t checkResTOFHigh = 500;
Double_t checkResTOFSigma = 3;
Double_t checkPHOSNLow = 5;
Double_t checkPHOSEnergyLow = 0.3;
Double_t checkPHOSEnergyHigh = 1.0;
Double_t checkEMCALNLow = 50;
Double_t checkEMCALEnergyLow = 0.05;
Double_t checkEMCALEnergyHigh = 1.0;
Double_t checkMUONNLow = 1;
Double_t checkMUONPtLow = 0.5;
Double_t checkMUONPtHigh = 10.;
Double_t cutPtV0 = 0.3;
Double_t checkV0EffLow = 0.02;
Double_t checkV0EffSigma = 3;
Double_t cutPtCascade = 0.5;
Double_t checkCascadeEffLow = 0.01;
Double_t checkCascadeEffSigma = 3;
// open run loader and load gAlice, kinematics and header
AliRunLoader* runLoader = AliRunLoader::Open(gAliceFileName);
if (!runLoader) {
Error("CheckESD", "getting run loader from file %s failed",
gAliceFileName);
return kFALSE;
}
runLoader->LoadgAlice();
gAlice = runLoader->GetAliRun();
if (!gAlice) {
Error("CheckESD", "no galice object found");
return kFALSE;
}
runLoader->LoadKinematics();
runLoader->LoadHeader();
// open the ESD file
TFile* esdFile = TFile::Open(esdFileName);
if (!esdFile || !esdFile->IsOpen()) {
Error("CheckESD", "opening ESD file %s failed", esdFileName);
return kFALSE;
}
AliESDEvent * esd = new AliESDEvent;
TTree* tree = (TTree*) esdFile->Get("esdTree");
if (!tree) {
Error("CheckESD", "no ESD tree found");
return kFALSE;
}
esd->ReadFromTree(tree);
// efficiency and resolution histograms
Int_t nBinsPt = 15;
Float_t minPt = 0.1;
Float_t maxPt = 3.1;
TH1F* hGen = CreateHisto("hGen", "generated tracks",
nBinsPt, minPt, maxPt, "p_{t} [GeV/c]", "N");
TH1F* hRec = CreateHisto("hRec", "reconstructed tracks",
nBinsPt, minPt, maxPt, "p_{t} [GeV/c]", "N");
Int_t nGen = 0;
Int_t nRec = 0;
Int_t nFake = 0;
TH1F* hResPtInv = CreateHisto("hResPtInv", "", 100, -10, 10,
"(p_{t,rec}^{-1}-p_{t,sim}^{-1}) / p_{t,sim}^{-1} [%]", "N");
TH1F* hResPhi = CreateHisto("hResPhi", "", 100, -20, 20,
"#phi_{rec}-#phi_{sim} [mrad]", "N");
TH1F* hResTheta = CreateHisto("hResTheta", "", 100, -20, 20,
"#theta_{rec}-#theta_{sim} [mrad]", "N");
// PID
Int_t partCode[AliPID::kSPECIES] =
{kElectron, kMuonMinus, kPiPlus, kKPlus, kProton};
const char* partName[AliPID::kSPECIES+1] =
{"electron", "muon", "pion", "kaon", "proton", "other"};
Double_t partFrac[AliPID::kSPECIES] =
{0.01, 0.01, 0.85, 0.10, 0.05};
Int_t identified[AliPID::kSPECIES+1][AliPID::kSPECIES];
for (Int_t iGen = 0; iGen < AliPID::kSPECIES+1; iGen++) {
for (Int_t iRec = 0; iRec < AliPID::kSPECIES; iRec++) {
identified[iGen][iRec] = 0;
}
}
Int_t nIdentified = 0;
// dE/dx and TOF
TH2F* hDEdxRight = new TH2F("hDEdxRight", "", 300, 0, 3, 100, 0, 400);
hDEdxRight->SetStats(kFALSE);
hDEdxRight->GetXaxis()->SetTitle("p [GeV/c]");
hDEdxRight->GetYaxis()->SetTitle("dE/dx_{TPC}");
hDEdxRight->SetMarkerStyle(kFullCircle);
hDEdxRight->SetMarkerSize(0.4);
TH2F* hDEdxWrong = new TH2F("hDEdxWrong", "", 300, 0, 3, 100, 0, 400);
hDEdxWrong->SetStats(kFALSE);
hDEdxWrong->GetXaxis()->SetTitle("p [GeV/c]");
hDEdxWrong->GetYaxis()->SetTitle("dE/dx_{TPC}");
hDEdxWrong->SetMarkerStyle(kFullCircle);
hDEdxWrong->SetMarkerSize(0.4);
hDEdxWrong->SetMarkerColor(kRed);
TH1F* hResTOFRight = CreateHisto("hResTOFRight", "", 100, -1000, 1000,
"t_{TOF}-t_{track} [ps]", "N");
TH1F* hResTOFWrong = CreateHisto("hResTOFWrong", "", 100, -1000, 1000,
"t_{TOF}-t_{track} [ps]", "N");
hResTOFWrong->SetLineColor(kRed);
// calorimeters
TH1F* hEPHOS = CreateHisto("hEPHOS", "PHOS", 100, 0, 50, "E [GeV]", "N");
TH1F* hEEMCAL = CreateHisto("hEEMCAL", "EMCAL", 100, 0, 50, "E [GeV]", "N");
// muons
TH1F* hPtMUON = CreateHisto("hPtMUON", "MUON", 100, 0, 20,
"p_{t} [GeV/c]", "N");
// V0s and cascades
TH1F* hMassK0 = CreateHisto("hMassK0", "K^{0}", 100, 0.4, 0.6,
"M(#pi^{+}#pi^{-}) [GeV/c^{2}]", "N");
TH1F* hMassLambda = CreateHisto("hMassLambda", "#Lambda", 100, 1.0, 1.2,
"M(p#pi^{-}) [GeV/c^{2}]", "N");
TH1F* hMassLambdaBar = CreateHisto("hMassLambdaBar", "#bar{#Lambda}",
100, 1.0, 1.2,
"M(#bar{p}#pi^{+}) [GeV/c^{2}]", "N");
Int_t nGenV0s = 0;
Int_t nRecV0s = 0;
TH1F* hMassXi = CreateHisto("hMassXi", "#Xi", 100, 1.2, 1.5,
"M(#Lambda#pi) [GeV/c^{2}]", "N");
TH1F* hMassOmega = CreateHisto("hMassOmega", "#Omega", 100, 1.5, 1.8,
"M(#LambdaK) [GeV/c^{2}]", "N");
Int_t nGenCascades = 0;
Int_t nRecCascades = 0;
// loop over events
for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
runLoader->GetEvent(iEvent);
// select simulated primary particles, V0s and cascades
AliStack* stack = runLoader->Stack();
Int_t nParticles = stack->GetNtrack();
TArrayF vertex(3);
runLoader->GetHeader()->GenEventHeader()->PrimaryVertex(vertex);
TObjArray selParticles;
TObjArray selV0s;
TObjArray selCascades;
for (Int_t iParticle = 0; iParticle < nParticles; iParticle++) {
TParticle* particle = stack->Particle(iParticle);
if (!particle) continue;
if (particle->Pt() < 0.001) continue;
if (TMath::Abs(particle->Eta()) > 0.9) continue;
TVector3 dVertex(particle->Vx() - vertex[0],
particle->Vy() - vertex[1],
particle->Vz() - vertex[2]);
if (dVertex.Mag() > 0.0001) continue;
switch (TMath::Abs(particle->GetPdgCode())) {
case kElectron:
case kMuonMinus:
case kPiPlus:
case kKPlus:
case kProton: {
if (particle->Pt() > minPt) {
selParticles.Add(particle);
nGen++;
hGen->Fill(particle->Pt());
}
break;
}
case kK0Short:
case kLambda0: {
if (particle->Pt() > cutPtV0) {
nGenV0s++;
selV0s.Add(particle);
}
break;
}
case kXiMinus:
case kOmegaMinus: {
if (particle->Pt() > cutPtCascade) {
nGenCascades++;
selCascades.Add(particle);
}
break;
}
default: break;
}
}
// get the event summary data
tree->GetEvent(iEvent);
if (!esd) {
Error("CheckESD", "no ESD object found for event %d", iEvent);
return kFALSE;
}
// loop over tracks
for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
AliESDtrack* track = esd->GetTrack(iTrack);
// select tracks of selected particles
Int_t label = TMath::Abs(track->GetLabel());
if (label > stack->GetNtrack()) continue; // background
TParticle* particle = stack->Particle(label);
if (!selParticles.Contains(particle)) continue;
if ((track->GetStatus() & AliESDtrack::kITSrefit) == 0) continue;
if (track->GetConstrainedChi2() > 1e9) continue;
selParticles.Remove(particle); // don't count multiple tracks
nRec++;
hRec->Fill(particle->Pt());
if (track->GetLabel() < 0) nFake++;
// resolutions
hResPtInv->Fill(100. * (TMath::Abs(track->GetSigned1Pt()) - 1./particle->Pt()) *
particle->Pt());
hResPhi->Fill(1000. * (track->Phi() - particle->Phi()));
hResTheta->Fill(1000. * (track->Theta() - particle->Theta()));
// PID
if ((track->GetStatus() & AliESDtrack::kESDpid) == 0) continue;
Int_t iGen = 5;
for (Int_t i = 0; i < AliPID::kSPECIES; i++) {
if (TMath::Abs(particle->GetPdgCode()) == partCode[i]) iGen = i;
}
Double_t probability[AliPID::kSPECIES];
track->GetESDpid(probability);
Double_t pMax = 0;
Int_t iRec = 0;
for (Int_t i = 0; i < AliPID::kSPECIES; i++) {
probability[i] *= partFrac[i];
if (probability[i] > pMax) {
pMax = probability[i];
iRec = i;
}
}
identified[iGen][iRec]++;
if (iGen == iRec) nIdentified++;
// dE/dx and TOF
Double_t time[AliPID::kSPECIES];
track->GetIntegratedTimes(time);
if (iGen == iRec) {
hDEdxRight->Fill(particle->P(), track->GetTPCsignal());
if ((track->GetStatus() & AliESDtrack::kTOFpid) != 0) {
hResTOFRight->Fill(track->GetTOFsignal() - time[iRec]);
}
} else {
hDEdxWrong->Fill(particle->P(), track->GetTPCsignal());
if ((track->GetStatus() & AliESDtrack::kTOFpid) != 0) {
hResTOFWrong->Fill(track->GetTOFsignal() - time[iRec]);
}
}
}
// loop over muon tracks
{
for (Int_t iTrack = 0; iTrack < esd->GetNumberOfMuonTracks(); iTrack++) {
AliESDMuonTrack* muonTrack = esd->GetMuonTrack(iTrack);
Double_t ptInv = TMath::Abs(muonTrack->GetInverseBendingMomentum());
if (ptInv > 0.001) {
hPtMUON->Fill(1./ptInv);
}
}
}
// loop over V0s
for (Int_t iV0 = 0; iV0 < esd->GetNumberOfV0s(); iV0++) {
AliESDv0* v0 = esd->GetV0(iV0);
if (v0->GetOnFlyStatus()) continue;
v0->ChangeMassHypothesis(kK0Short);
hMassK0->Fill(v0->GetEffMass());
v0->ChangeMassHypothesis(kLambda0);
hMassLambda->Fill(v0->GetEffMass());
v0->ChangeMassHypothesis(kLambda0Bar);
hMassLambdaBar->Fill(v0->GetEffMass());
Int_t negLabel = TMath::Abs(esd->GetTrack(v0->GetNindex())->GetLabel());
if (negLabel > stack->GetNtrack()) continue; // background
Int_t negMother = stack->Particle(negLabel)->GetMother(0);
if (negMother < 0) continue;
Int_t posLabel = TMath::Abs(esd->GetTrack(v0->GetPindex())->GetLabel());
if (posLabel > stack->GetNtrack()) continue; // background
Int_t posMother = stack->Particle(posLabel)->GetMother(0);
if (negMother != posMother) continue;
TParticle* particle = stack->Particle(negMother);
if (!selV0s.Contains(particle)) continue;
selV0s.Remove(particle);
nRecV0s++;
}
// loop over Cascades
for (Int_t iCascade = 0; iCascade < esd->GetNumberOfCascades();
iCascade++) {
AliESDcascade* cascade = esd->GetCascade(iCascade);
Double_t v0q;
cascade->ChangeMassHypothesis(v0q,kXiMinus);
hMassXi->Fill(cascade->GetEffMassXi());
cascade->ChangeMassHypothesis(v0q,kOmegaMinus);
hMassOmega->Fill(cascade->GetEffMassXi());
Int_t negLabel = TMath::Abs(esd->GetTrack(cascade->GetNindex())
->GetLabel());
if (negLabel > stack->GetNtrack()) continue; // background
Int_t negMother = stack->Particle(negLabel)->GetMother(0);
if (negMother < 0) continue;
Int_t posLabel = TMath::Abs(esd->GetTrack(cascade->GetPindex())
->GetLabel());
if (posLabel > stack->GetNtrack()) continue; // background
Int_t posMother = stack->Particle(posLabel)->GetMother(0);
if (negMother != posMother) continue;
Int_t v0Mother = stack->Particle(negMother)->GetMother(0);
if (v0Mother < 0) continue;
Int_t bacLabel = TMath::Abs(esd->GetTrack(cascade->GetBindex())
->GetLabel());
if (bacLabel > stack->GetNtrack()) continue; // background
Int_t bacMother = stack->Particle(bacLabel)->GetMother(0);
if (v0Mother != bacMother) continue;
TParticle* particle = stack->Particle(v0Mother);
if (!selCascades.Contains(particle)) continue;
selCascades.Remove(particle);
nRecCascades++;
}
// loop over the clusters
{
for (Int_t iCluster=0; iCluster<esd->GetNumberOfCaloClusters(); iCluster++) {
AliESDCaloCluster * clust = esd->GetCaloCluster(iCluster);
if (clust->IsPHOS()) hEPHOS->Fill(clust->E());
if (clust->IsEMCAL()) hEEMCAL->Fill(clust->E());
}
}
}
// perform checks
if (nGen < checkNGenLow) {
Warning("CheckESD", "low number of generated particles: %d", Int_t(nGen));
}
TH1F* hEff = CreateEffHisto(hGen, hRec);
Info("CheckESD", "%d out of %d tracks reconstructed including %d "
"fake tracks", nRec, nGen, nFake);
if (nGen > 0) {
// efficiency
Double_t eff = nRec*1./nGen;
Double_t effError = TMath::Sqrt(eff*(1.-eff) / nGen);
Double_t fake = nFake*1./nGen;
Double_t fakeError = TMath::Sqrt(fake*(1.-fake) / nGen);
Info("CheckESD", "eff = (%.1f +- %.1f) %% fake = (%.1f +- %.1f) %%",
100.*eff, 100.*effError, 100.*fake, 100.*fakeError);
if (eff < checkEffLow - checkEffSigma*effError) {
Warning("CheckESD", "low efficiency: (%.1f +- %.1f) %%",
100.*eff, 100.*effError);
}
if (fake > checkFakeHigh + checkFakeSigma*fakeError) {
Warning("CheckESD", "high fake: (%.1f +- %.1f) %%",
100.*fake, 100.*fakeError);
}
// resolutions
Double_t res, resError;
if (FitHisto(hResPtInv, res, resError)) {
Info("CheckESD", "relative inverse pt resolution = (%.1f +- %.1f) %%",
res, resError);
if (res > checkResPtInvHigh + checkResPtInvSigma*resError) {
Warning("CheckESD", "bad pt resolution: (%.1f +- %.1f) %%",
res, resError);
}
}
if (FitHisto(hResPhi, res, resError)) {
Info("CheckESD", "phi resolution = (%.1f +- %.1f) mrad", res, resError);
if (res > checkResPhiHigh + checkResPhiSigma*resError) {
Warning("CheckESD", "bad phi resolution: (%.1f +- %.1f) mrad",
res, resError);
}
}
if (FitHisto(hResTheta, res, resError)) {
Info("CheckESD", "theta resolution = (%.1f +- %.1f) mrad",
res, resError);
if (res > checkResThetaHigh + checkResThetaSigma*resError) {
Warning("CheckESD", "bad theta resolution: (%.1f +- %.1f) mrad",
res, resError);
}
}
// PID
if (nRec > 0) {
Double_t eff = nIdentified*1./nRec;
Double_t effError = TMath::Sqrt(eff*(1.-eff) / nRec);
Info("CheckESD", "PID eff = (%.1f +- %.1f) %%",
100.*eff, 100.*effError);
if (eff < checkPIDEffLow - checkPIDEffSigma*effError) {
Warning("CheckESD", "low PID efficiency: (%.1f +- %.1f) %%",
100.*eff, 100.*effError);
}
}
printf("%9s:", "gen\\rec");
for (Int_t iRec = 0; iRec < AliPID::kSPECIES; iRec++) {
printf("%9s", partName[iRec]);
}
printf("\n");
for (Int_t iGen = 0; iGen < AliPID::kSPECIES+1; iGen++) {
printf("%9s:", partName[iGen]);
for (Int_t iRec = 0; iRec < AliPID::kSPECIES; iRec++) {
printf("%9d", identified[iGen][iRec]);
}
printf("\n");
}
if (FitHisto(hResTOFRight, res, resError)) {
Info("CheckESD", "TOF resolution = (%.1f +- %.1f) ps", res, resError);
if (res > checkResTOFHigh + checkResTOFSigma*resError) {
Warning("CheckESD", "bad TOF resolution: (%.1f +- %.1f) ps",
res, resError);
}
}
// calorimeters
if (hEPHOS->Integral() < checkPHOSNLow) {
Warning("CheckESD", "low number of PHOS particles: %d",
Int_t(hEPHOS->Integral()));
} else {
Double_t mean = hEPHOS->GetMean();
if (mean < checkPHOSEnergyLow) {
Warning("CheckESD", "low mean PHOS energy: %.1f GeV", mean);
} else if (mean > checkPHOSEnergyHigh) {
Warning("CheckESD", "high mean PHOS energy: %.1f GeV", mean);
}
}
if (hEEMCAL->Integral() < checkEMCALNLow) {
Warning("CheckESD", "low number of EMCAL particles: %d",
Int_t(hEEMCAL->Integral()));
} else {
Double_t mean = hEEMCAL->GetMean();
if (mean < checkEMCALEnergyLow) {
Warning("CheckESD", "low mean EMCAL energy: %.1f GeV", mean);
} else if (mean > checkEMCALEnergyHigh) {
Warning("CheckESD", "high mean EMCAL energy: %.1f GeV", mean);
}
}
// muons
if (hPtMUON->Integral() < checkMUONNLow) {
Warning("CheckESD", "low number of MUON particles: %d",
Int_t(hPtMUON->Integral()));
} else {
Double_t mean = hPtMUON->GetMean();
if (mean < checkMUONPtLow) {
Warning("CheckESD", "low mean MUON pt: %.1f GeV/c", mean);
} else if (mean > checkMUONPtHigh) {
Warning("CheckESD", "high mean MUON pt: %.1f GeV/c", mean);
}
}
// V0s
if (nGenV0s > 0) {
Double_t eff = nRecV0s*1./nGenV0s;
Double_t effError = TMath::Sqrt(eff*(1.-eff) / nGenV0s);
if (effError == 0) effError = checkV0EffLow / TMath::Sqrt(1.*nGenV0s);
Info("CheckESD", "V0 eff = (%.1f +- %.1f) %%",
100.*eff, 100.*effError);
if (eff < checkV0EffLow - checkV0EffSigma*effError) {
Warning("CheckESD", "low V0 efficiency: (%.1f +- %.1f) %%",
100.*eff, 100.*effError);
}
}
// Cascades
if (nGenCascades > 0) {
Double_t eff = nRecCascades*1./nGenCascades;
Double_t effError = TMath::Sqrt(eff*(1.-eff) / nGenCascades);
if (effError == 0) effError = checkV0EffLow /
TMath::Sqrt(1.*nGenCascades);
Info("CheckESD", "Cascade eff = (%.1f +- %.1f) %%",
100.*eff, 100.*effError);
if (eff < checkCascadeEffLow - checkCascadeEffSigma*effError) {
Warning("CheckESD", "low Cascade efficiency: (%.1f +- %.1f) %%",
100.*eff, 100.*effError);
}
}
}
// draw the histograms if not in batch mode
if (!gROOT->IsBatch()) {
new TCanvas;
hEff->DrawCopy();
new TCanvas;
hResPtInv->DrawCopy("E");
new TCanvas;
hResPhi->DrawCopy("E");
new TCanvas;
hResTheta->DrawCopy("E");
new TCanvas;
hDEdxRight->DrawCopy();
hDEdxWrong->DrawCopy("SAME");
new TCanvas;
hResTOFRight->DrawCopy("E");
hResTOFWrong->DrawCopy("SAME");
new TCanvas;
hEPHOS->DrawCopy("E");
new TCanvas;
hEEMCAL->DrawCopy("E");
new TCanvas;
hPtMUON->DrawCopy("E");
new TCanvas;
hMassK0->DrawCopy("E");
new TCanvas;
hMassLambda->DrawCopy("E");
new TCanvas;
hMassLambdaBar->DrawCopy("E");
new TCanvas;
hMassXi->DrawCopy("E");
new TCanvas;
hMassOmega->DrawCopy("E");
}
// write the output histograms to a file
TFile* outputFile = TFile::Open("check.root", "recreate");
if (!outputFile || !outputFile->IsOpen()) {
Error("CheckESD", "opening output file check.root failed");
return kFALSE;
}
hEff->Write();
hResPtInv->Write();
hResPhi->Write();
hResTheta->Write();
hDEdxRight->Write();
hDEdxWrong->Write();
hResTOFRight->Write();
hResTOFWrong->Write();
hEPHOS->Write();
hEEMCAL->Write();
hPtMUON->Write();
hMassK0->Write();
hMassLambda->Write();
hMassLambdaBar->Write();
hMassXi->Write();
hMassOmega->Write();
outputFile->Close();
delete outputFile;
// clean up
delete hGen;
delete hRec;
delete hEff;
delete hResPtInv;
delete hResPhi;
delete hResTheta;
delete hDEdxRight;
delete hDEdxWrong;
delete hResTOFRight;
delete hResTOFWrong;
delete hEPHOS;
delete hEEMCAL;
delete hPtMUON;
delete hMassK0;
delete hMassLambda;
delete hMassLambdaBar;
delete hMassXi;
delete hMassOmega;
delete esd;
esdFile->Close();
delete esdFile;
runLoader->UnloadHeader();
runLoader->UnloadKinematics();
delete runLoader;
// result of check
Info("CheckESD", "check of ESD was successfull");
return kTRUE;
}
void createGlauberTree(Int_t nEvents,
const char *outFileName)
{
AliPDG::AddParticlesToPdgDataBase();
TDatabasePDG::Instance();
// Run loader
TFolder *folder = new TFolder("myfolder","myfolder");
AliRunLoader* rl = new AliRunLoader(folder);
rl->MakeHeader();
rl->MakeStack();
AliStack* stack = rl->Stack();
//AliHeader* rheader = rl->GetHeader();
AliGenHijing *genHi = new AliGenHijing(-1);
genHi->SetStack(stack);
genHi->SetEnergyCMS(2760);
genHi->SetReferenceFrame("CMS");
genHi->SetProjectile("A", 208, 82);
genHi->SetTarget ("A", 208, 82);
genHi->SetPtHardMin (2.3);
genHi->SetImpactParameterRange(0.,30);
genHi->SetJetQuenching(0); // enable jet quenching
genHi->SetShadowing(1); // enable shadowing
genHi->SetDecaysOff(1); // neutral pion and heavy particle decays switched off
genHi->Init();
MyHeader *myheader = new MyHeader;
MyResponse *myresp = new MyResponse;
TFile *outFile = TFile::Open(outFileName, "RECREATE");
outFile->SetCompressionLevel(5);
TDirectory::TContext context(outFile);
TTree *tree = new TTree("glaubertree", "Glauber tree");
tree->Branch("header",&myheader, 32*1024, 99);
tree->Branch("response",&myresp, 32*1024, 99);
TNtuple *ntuple = new TNtuple("gnt", "Glauber ntuple", "npart:ncoll:b");
Double_t etas[] = {-10,-5,-4,-3,-2,-1,0,1,2,3,4,5,10};
TH1D *hNEta = new TH1D("hNeta","",12,etas);
TH1D *hEtEta = new TH1D("hEteta","",12,etas);
// create events and fill them
for (Int_t iEvent = 0; iEvent < nEvents; ++iEvent) {
cout << "Event " << iEvent+1 << "/" << nEvents << endl;;
stack->Reset();
hNEta->Reset();
hEtEta->Reset();
genHi->Generate();
AliStack *s = genHi->GetStack();
const TObjArray *parts = s->Particles();
Int_t nents = parts->GetEntries();
for (Int_t i = 0; i<nents; ++i) {
TParticle *p = (TParticle*)parts->At(i);
//p->Print();
TParticlePDG *pdg = p->GetPDG(1);
Int_t c = (Int_t)(TMath::Abs(pdg->Charge()));
if (c!=0) {
hNEta->Fill(p->Eta());
hEtEta->Fill(p->Eta(),p->Pt());
}
}
AliGenHijingEventHeader *h = (AliGenHijingEventHeader*)genHi->CollisionGeometry();
myheader->fNATT = nents;
myheader->fEATT = h->TotalEnergy();
myheader->fJATT = h->HardScatters();
myheader->fNT = h->TargetParticipants();
myheader->fNP = h->ProjectileParticipants();
myheader->fN00 = h->NwNw();
myheader->fN01 = h->NwN();
myheader->fN10 = h->NNw();
myheader->fN11 = h->NN();
myheader->fBB = h->ImpactParameter();
myheader->fRP = h->ReactionPlaneAngle();
myheader->fPSn = h->ProjSpectatorsn();
myheader->fPSp = h->ProjSpectatorsp();
myheader->fTSn = h->TargSpectatorsn();
myheader->fTSp = h->TargSpectatorsn();
myresp->fEtch0p = hEtEta->GetBinContent(hEtEta->FindBin(0.5));
myresp->fEtch1p = hEtEta->GetBinContent(hEtEta->FindBin(1.5));
myresp->fEtch2p = hEtEta->GetBinContent(hEtEta->FindBin(2.5));
myresp->fEtch3p = hEtEta->GetBinContent(hEtEta->FindBin(3.5));
myresp->fEtch4p = hEtEta->GetBinContent(hEtEta->FindBin(4.5));
myresp->fEtch5p = hEtEta->GetBinContent(hEtEta->FindBin(5.5));
myresp->fEtchrp = hEtEta->GetBinContent(hEtEta->FindBin(10.5));
myresp->fEtch0n = hEtEta->GetBinContent(hEtEta->FindBin(-0.5));
myresp->fEtch1n = hEtEta->GetBinContent(hEtEta->FindBin(-1.5));
myresp->fEtch2n = hEtEta->GetBinContent(hEtEta->FindBin(-2.5));
myresp->fEtch3n = hEtEta->GetBinContent(hEtEta->FindBin(-3.5));
myresp->fEtch4n = hEtEta->GetBinContent(hEtEta->FindBin(-4.5));
myresp->fEtch5n = hEtEta->GetBinContent(hEtEta->FindBin(-5.5));
myresp->fEtchrn = hEtEta->GetBinContent(hEtEta->FindBin(-10.5));
myresp->fNch0p = hNEta->GetBinContent(hNEta->FindBin(0.5));
myresp->fNch1p = hNEta->GetBinContent(hNEta->FindBin(1.5));
myresp->fNch2p = hNEta->GetBinContent(hNEta->FindBin(2.5));
myresp->fNch3p = hNEta->GetBinContent(hNEta->FindBin(3.5));
myresp->fNch4p = hNEta->GetBinContent(hNEta->FindBin(4.5));
myresp->fNch5p = hNEta->GetBinContent(hNEta->FindBin(5.5));
myresp->fNchrp = hNEta->GetBinContent(hNEta->FindBin(10.5));
myresp->fNch0n = hNEta->GetBinContent(hNEta->FindBin(-0.5));
myresp->fNch1n = hNEta->GetBinContent(hNEta->FindBin(-1.5));
myresp->fNch2n = hNEta->GetBinContent(hNEta->FindBin(-2.5));
myresp->fNch3n = hNEta->GetBinContent(hNEta->FindBin(-3.5));
myresp->fNch4n = hNEta->GetBinContent(hNEta->FindBin(-4.5));
myresp->fNch5n = hNEta->GetBinContent(hNEta->FindBin(-5.5));
myresp->fNchrn = hNEta->GetBinContent(hNEta->FindBin(-10.5));
tree->Fill();
if (ntuple) {
Int_t np = h->TargetParticipants() + h->ProjectileParticipants();
Int_t nc = h->NwNw() + h->NwN() + h->NNw() + h->NN();
Double_t b = h->ImpactParameter();
ntuple->Fill(np,nc,b);
}
} // end of event loop
tree->Write();
ntuple->Write();
outFile->Close();
}
void pythia6_gammagamma_leptons_parents( int Nevts = 5000, double sqrts = 90, int MSTP14_val=10)
{
//Luminosity and bunches definitions according to FCC-ee project specifications
Double_t Luminosity=1;
Double_t Luminosity_c=1; //with opt crab waist
Double_t FCC_Circumference = 100000; // meters
Double_t speed_of_light = 299792458; // m/s
Int_t N_bunch = 1; //number of bunches per beam
Int_t N_bunch_c= 1;//with opt Crab waist
if (sqrts==90){
N_bunch = 16700;
Luminosity = 0.28; //pb^-1 s^-1
N_bunch_c = 59581;
Luminosity_c = 2.15;
}
else if (sqrts==160){
N_bunch = 4490;
Luminosity = 0.12; //pb^-1 s^-1
N_bunch_c =3143;
Luminosity_c =0.38;
}
else if (sqrts==240){
N_bunch = 1360;
Luminosity = 0.06; //pb^-1 s^-1
N_bunch_c = 625;
Luminosity_c = 0.087;
}
else if (sqrts==350){
N_bunch = 98;
Luminosity = 0.0018; //pb^-1 s^-1
N_bunch_c = 68;
Luminosity_c = 0.021;
}
// Instance of the Pythia event generator
TPythia6* pythia = new TPythia6();
PDG = TDatabasePDG::Instance(); // TDataBasePDG contains info on all particle properties
// Random seeding
int seed = (int)(time(NULL)/3);
if( (seed>=0) && (seed<=900000000) ) {
pythia->SetMRPY(1,seed); // set seed
pythia->SetMRPY(2,0); // use new seed
cout << endl << "<I> Random Seed : " << seed << endl;
}
else{
cout << endl << "<I> Default random seed ... "<< seed << endl;
}
//____________________________________________________________________
//
// PYTHIA GENERATION SETTINGS
//____________________________________________________________________
// *******************************************************************
// PHYSICS PROCESS SELECTION
pythia->SetMSEL(0); // we choose the process by hand below
pythia->SetMSTP(81, 1); // Multiple parton interactions for resolved gamma-gamma colls.
// *******************************************************************
// Final-state:
pythia->SetMSTJ(22,2); //! Decay those unstable particles',
pythia->SetPARJ(71,10.); //! for which ctau < 10 mm',
// *******************************************************************
// Detailed process selection
pythia->SetMSTP(14,MSTP14_val); // gamma gamma -> hadrons (30=FULL)
//pythia->SetMSEL(2); // min-bias QCD
pythia->SetMSEL(1); //less accuracy in hadronic simulation but faster(usefull if intereted in leptonic)
// ******************************************************************
book_histos();
// ******************************************************************
// Initialise it to run e+/e- --> gamma gamma --> X
pythia->Initialize("cms", "gamma/e+", "gamma/e-", sqrts);
//pythia->Initialize("cms", "e+", "e-", sqrts);
cout << "SYSTEM: e+e- at sqrt(s)=" << sqrts << " GeV" << endl;
TClonesArray* particlesArray = 0;
// ******************************************************************
// EVENT LOOP
int exclEvts = 0;
std::ofstream myfile;
myfile.open("_txt/generation_time.txt");
int execution_time[Nevts/1000];
Int_t n_lepton_total=0; //counter for the total number of charged leptons (sum on the events)
for (int ievt = 0; ievt < Nevts; ievt++) {
if (ievt ==0) cout << "Generating event #: " << flush;
if (ievt % 1000 == 0) {
cout << ievt << " " << flush;
execution_time[ievt/1000]=time(NULL);
if (ievt !=0)
myfile << execution_time[ievt/1000] << "\t" << ievt << "\t" << 1000/(float)(execution_time[ievt/1000]-execution_time[ievt/1000 -1])<< endl;
}
// ******************************************************************
// Generate event
pythia->GenerateEvent();
if ( passEvtSelection(pythia)==false ) { ///Cut on W!!!!!!!!!!!!!!!
exclEvts++;
continue;
}
// Loop over particles and fill histos
particlesArray = (TClonesArray*)pythia->GetListOfParticles();
int N = particlesArray->GetEntriesFast();
//cout << "<I> PYTHIA particles in event: " << N << " " << flush;
TMCParticle *part;
TParticle *partic;
Int_t n_leptons = 0;
for (int ip = 0; ip < N; ip++ ) {
part = (TMCParticle*)particlesArray->At(ip);
int status = part->GetKS();
if (status!=1) continue; // Only consider final-state particles
int parent_id = part->GetParent();
//if (parent_id != 22) continue; //Only consider particles coming from photons
int pdg = part->GetKF();
double charge = PDG->GetParticle(pdg)->Charge();
if(charge==0) continue; // only charged particles
//if ( abs(pdg)!=11 && abs(pdg)!=13 ) continue;// only leptons
if ( abs(pdg)!=13 ) continue;// only muons
partic = (TParticle*)TMCParticle2TParticle(part);
double ptPartic = partic->Pt();
double etaPartic = partic->Eta();
//phiPartic = partic->Phi();
//if ( ptPartic<0.15 ) continue; //cut on Pt!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//if (abs(etaPartic)>1.5) continue; //Fill only if |eta|<1.5!!!!!!!!!!!!!!!!!!!!!
// Histo filling
h_id_part->Fill(abs(pdg));
hdsigmadeta->Fill(etaPartic);
hdsigmadpT->Fill(ptPartic);
n_leptons++; //Count the total number of charged hadrons in this event
delete partic;
// if (TMath::Abs(etaPartic)<1.) Nch++;
} // End loop over all particles in event
h_lep_per_ev->Fill(n_leptons);
n_lepton_total += n_leptons;
} // END EVENT GENERATION LOOP
myfile.close();
// **********************************************************************************
// FINAL GENERATION MESSAGES:
pythia->Pystat(1);
double xsection = pythia->GetPARI(1) * 1e9;//conversion form mb to pb
int ntrials = pythia->GetMSTI(5);
double sigmaweight = xsection/ntrials;
double total_lepton_xsection = sigmaweight*n_lepton_total;
cout << endl << "#######################" << endl
<< endl << "<I> Event summary: " << Nevts << " generated." << endl ;
//double evts = hdsigmadeta->Integral();
double triggEff = (Nevts-exclEvts)/(float)Nevts;
cout << "<I> Num. of total valid events = " << Nevts-exclEvts << " (Effic="<< triggEff*100. << "%)" << endl;
cout << "<I> Pythia cross section: " << xsection << " mb || number of trials: " << ntrials << " || sigmaweight = "<< sigmaweight <<endl;
cout << endl << "Leptons per events: " << endl << "Mean = " << h_lep_per_ev->GetMean() << endl << "Max = " << h_lep_per_ev->GetMaximumBin() <<endl;
cout << endl << endl << endl << "Total number of leptons = " << n_lepton_total << endl;
cout << "Cross section = " << total_lepton_xsection << "pb in e+e- --> gamma gamma --> X at sqrt(s) = " << sqrts << " GeV " << endl << endl << endl;
Double_t N_rate = total_lepton_xsection*Luminosity;
Double_t Pileup = (N_rate*FCC_Circumference)/(N_bunch*speed_of_light);
Double_t N_rate_c = total_lepton_xsection*Luminosity_c;
Double_t Pileup_c = (N_rate_c*FCC_Circumference)/(N_bunch_c*speed_of_light);
ofstream file_out;
char file_out_name[150];
sprintf(file_out_name, "_txt/pythia6_gammagamma_leptons_%iGeV_seed%d_Nevts%d_output.txt",(int)TMath::Ceil(sqrts),seed,Nevts);
file_out.open(file_out_name);
file_out << Nevts-exclEvts << " // Total event generated" << endl;
file_out << xsection << " // [pb] Pythia6 total cross section" << endl;
file_out << total_lepton_xsection << " // [pb] Cross section for e+e- --> gamma gamma --> l"<< endl;
file_out << sqrts << " // [GeV] sqrt(s)" << endl;
file_out << n_lepton_total <<" // Total Lepton produced" << endl;
file_out << N_rate << " // [Hz] Production Rate (Sigma*Lum)" << endl;
file_out << N_rate_c << " // [Hz] Production Rate (Sigma*Lum) (Crab waist)" << endl << endl << endl;
file_out << Pileup << " // Interactions e/gamma e/gamma -> l per bunch" << endl;
file_out << Pileup_c << " // Interactions e/gamma e/gamma -> l per bunch (Crab Waist)" << endl;
file_out.close();
// double dNchdeta = hdsigmadeta->GetBinContent(11)/ntrials;
// cout << "<I> dN_ch/deta|_{eta=0} = " << dNchdeta << " in e+e- --> gamma gamma --> X at sqrt(s) = " << sqrts << " GeV " << endl ;
// **********************************************************************************
// Normalize histos by weighted cross-section, pseudorapidity range, and the pT bin size
hdNdeta=(TH1F*)hdsigmadeta->Clone("hdNdeta");
hdNdeta->Scale(1./(float)Nevts);
hdNdeta->SetTitle("hdNdeta");
hdNdeta->SetXTitle("|#eta|");
hdNdeta->SetYTitle("dN/d|#eta| (nb)");
double etabinsize = 20/20; // eta binning: 20 within -10<eta<10
hdsigmadeta->Scale(1e-3*sigmaweight/etabinsize);
//hdsigmadeta->Scale(1/Nevts);
double ptbinsize = (pt_max-pt_min)/n_bin_pt;
hdsigmadpT->Scale(sigmaweight/ptbinsize);
//hdsigmadetaTruth->Scale(sigmaweight*0.01); // eta binning: 2000 in -10<eta<10
//hEdsigmadpT->Scale(ptbinsize/ntrials);
//ntFFdsigmadeta->SetWeight(sigmaweight);
// **********************************************************************************
// Plot distributions for cross-check
char title[300];
sprintf(title, "cinvdsigmadpT_%iGeV",(int)sqrts);
TCanvas *cinvdsigmadpT = new TCanvas(title,title,700,600);
cinvdsigmadpT->SetLogy();
cinvdsigmadpT->SetLogx();
cinvdsigmadpT->cd();
hdsigmadpT->Draw();
cinvdsigmadpT->SaveAs("_png/histo_hdsigmadpT.png");
sprintf(title, "cinvdsigmadeta_%iGeV",(int)sqrts);
TCanvas *cinvdsigmadeta = new TCanvas(title,title,700,600);
cinvdsigmadeta->cd();
hdsigmadeta->Draw();
cinvdsigmadeta->SaveAs("_png/histo_hdsigmadeta.png");
sprintf(title, "cinvdNdeta_%iGeV",(int)sqrts);
TCanvas *cinvdNdeta = new TCanvas(title,title,700,600);
cinvdNdeta->cd();
hdNdeta->Draw();
cinvdNdeta->SaveAs("_png/histo_hdNdeta.png");
sprintf(title, "cinvW_%iGeV",(int)sqrts);
TCanvas *cinvW = new TCanvas(title,title,700,600);
cinvW->cd();
hW->Draw();
cinvW->SaveAs("_png/histo_hW.png");
sprintf(title, "cinvn_lep_%iGeV",(int)sqrts);
TCanvas *cinvn_lep = new TCanvas(title,title,700,600);
cinvn_lep->cd();
h_lep_per_ev->Draw();
cinvn_lep->SetLogy();
cinvn_lep->SetGridx();
cinvn_lep->SetGridy();
cinvn_lep->SaveAs("_png/histo_charged_leptons_per_ev.png");
sprintf(title, "cinvp_id_%iGeV",(int)sqrts);
TCanvas *cinvp_id = new TCanvas(title,title,700,600);
cinvp_id->cd();
cinvp_id->SetLogy();
h_id_part->Draw();
cinvp_id->SaveAs("_png/histo_particle_id.png");
// **********************************************************************************
// Open output file and Close file
char filename[200];
sprintf(filename, "_root/pythia6_gammagamma_leptons_%iGeV_seed%d_Nevts%d.root",(int)TMath::Ceil(sqrts),seed,Nevts);
TFile* file = TFile::Open(filename, "RECREATE");
if (!file || !file->IsOpen()) {
Error("pythia6_gammagamma_leptons", "Couldn;t open file %s", filename);
return;
}
file->cd();
hdsigmadeta->Write();
hdsigmadpT->Write();
hdNdeta->Write();
h_lep_per_ev->Write();
hW->Write();
h_id_part->Write();
file->Close();
cout << endl << "#######<I> File " << filename << " created. Take a look ... ##############" << endl << endl;
file = TFile::Open(filename);
file->ls();
file->Close();
}
void ExtractOutputHistos(Bool_t onlyPrims=0,Bool_t onlyPion=0,Int_t plotFlag=0) {
// gROOT->SetStyle("Plain");
gStyle->SetPalette(1);
const Int_t nbins=20;
Double_t ptmin=0.06;//04;
Double_t ptmax=2.0;//GeV
Double_t logxmin = TMath::Log10(ptmin);
Double_t logxmax = TMath::Log10(ptmax);
Double_t binwidth = (logxmax-logxmin)/(nbins+1);
enum {nb=nbins+1};
Double_t xbins[nb];
xbins[0] = ptmin;
for (Int_t i=1;i<=nbins;i++) {
xbins[i] = ptmin + TMath::Power(10,logxmin+(i)*binwidth);
// cout<<xbins[i]<<endl;
}
// TH1F *h = new TH1F("h","hist with log x axis",nbins,xbins);
TH1F *hMultCount = new TH1F("mult","averaged multiplicity (charg. prim)",80,-4.,4.);
hMultCount->GetXaxis()->SetTitle("eta");
hMultCount->GetYaxis()->SetTitle("N/d#eta");
TH1F *hAllMC = new TH1F("allMC","All Tracks MC primaries",nbins,xbins);
TH1F *hAllFound = new TH1F("allFound","All Tracks found",nbins,xbins);
TH1F *hImperfect = new TH1F("imperfect","Imperfect tracks",nbins,xbins);
TH1F *hPerfect = new TH1F("perfect","Perfect tracks",nbins,xbins);
TH1F *hEff = new TH1F("efficiency","Efficiency (Perfect tracks in \"ALL MC\")",nbins,xbins);
TH1F *hFake = new TH1F("fake","Fake tracks (Inperfect tracks in \"ALL MC\")",nbins,xbins);
TH1F *hPurity = new TH1F("purity","Purity (Perfect tracks in \"All Found\")",nbins,xbins);
TH1F *hAnna = new TH1F("annaEff","AnnalisaEff ",nbins,xbins);
TH1F *hNoMCTrack = new TH1F("noMCtrack","noMCtrack ",nbins,xbins);
TH1F *hEta = new TH1F("","",50,-2,2);
// TH1F *hEtaMC = new TH1F("","",50,-2,2);
TH2D *h2Ddca = new TH2D("dca2D","DCAvsPt2D",nbins,xbins,50,-0.05,0.05);
TH2D *h2Dpt = new TH2D("dPt2D","dPtdvsPt2D",nbins,xbins,50,-25,25);
// open run loader and load gAlice, kinematics and header
AliRunLoader* runLoader = AliRunLoader::Open("galice.root");
if (!runLoader) {
Error("Check kine", "getting run loader from file %s failed",
"galice.root");
return;
}
runLoader->LoadgAlice();
gAlice = runLoader->GetAliRun();
if (!gAlice) {
Error("Check kine", "no galice object found");
return;
}
runLoader->LoadHeader();
runLoader->LoadKinematics();
TFile* esdFile = TFile::Open("AliESDs.root");
if (!esdFile || !esdFile->IsOpen()) {
Error("CheckESD", "opening ESD file %s failed", "AliESDs.root");
return;
}
AliESDEvent *esd = new AliESDEvent();
TTree* tree = (TTree*) esdFile->Get("esdTree");
if (!tree) {
Error("CheckESD", "no ESD tree found");
return;
}
esd->ReadFromTree(tree);
Int_t nTrackTotalMC = 0;
Int_t nTrackFound = 0;
Int_t nTrackImperfect = 0;
Int_t nTrackPerfect = 0;
Int_t nNoMCTrack = 0;
for(Int_t iEv =0; iEv<tree->GetEntries(); iEv++){
tree->GetEvent(iEv);
runLoader->GetEvent(iEv);
printf("+++ event %i (of %lld) +++++++++++++++++++++++ # ESDtracks: %d \n",iEv,tree->GetEntries()-1,esd->GetNumberOfTracks());
Int_t nESDtracks = esd->GetNumberOfTracks();
for (Int_t iTrack = 0; iTrack < nESDtracks; iTrack++) {
AliESDtrack* track = esd->GetTrack(iTrack);
if (!(iTrack%1000)) printf("event %i: ESD track count %d (of %d)\n",iEv,iTrack,nESDtracks);
Int_t label = track->GetLabel();
Int_t idx[12];
// Int_t ncl = track->GetITSclusters(idx);
if(label<0) {
// cout<< " ESD track label " << label;
// cout<<" ---> imperfect track (label "<<label<<"<0) !! -> track Pt: "<< track->Pt() << endl;
}
AliStack* stack = runLoader->Stack();
// nTrackTotalMC += stack->GetNprimary();
TParticle* particle = stack->Particle(TMath::Abs(label));
Double_t pt = track->Pt();
if(particle) {
if (TMath::Abs(particle->Eta())>etaCut) continue;
Double_t ptMC = particle->Pt();
// Efficiencies
if (onlyPion && TMath::Abs(particle->GetPdgCode())!=211) continue;
if ( (!onlyPrims) || stack->IsPhysicalPrimary(TMath::Abs(label))) {
// cout<<" # clusters "<<ncl<<endl;
nTrackFound++;
hAllFound->Fill(ptMC);
hEta->Fill(track->Eta());
if (label<0) {
nTrackImperfect++;
hImperfect->Fill(ptMC);
} else {
nTrackPerfect++;
hPerfect->Fill(ptMC);
}
}
// following only for "true tracks, pions
if(particle->Pt() < 0.001)continue;
if (TMath::Abs(particle->GetPdgCode())!=211) continue;
if (label>0) {
// Impact parameters for Pions only
Double_t dca = track->GetD(0,0,0.5);
h2Ddca->Fill(ptMC,dca);
// Pt resolution for Pions only
Double_t dPt = (pt-ptMC)/ptMC*100;
h2Dpt->Fill(ptMC,dPt);
}
} else {
nNoMCTrackFound++;
hNoMCTrack->Fill(pt);
cout<<" according MC particle not found"<<endl;
}
} //entries track esd
}//entries tree
runLoader->UnloadHeader();
runLoader->UnloadKinematics();
delete runLoader;
// Count trackable MC tracks
CountTrackableMCs(hAllMC, onlyPrims, onlyPion);
// Count trackable MC tracks
CountPrimaries(hMultCount);
// Get Errors right
hMultCount->Sumw2();
hAllMC->Sumw2();
hAllFound->Sumw2();
hPerfect->Sumw2();
hImperfect->Sumw2();
h2Dpt->Sumw2();
h2Ddca->Sumw2();
// -- Global efficienies
nTrackTotalMC = hAllMC->GetEntries();
Double_t eff = ((Double_t)nTrackPerfect)/nTrackTotalMC;
printf("-> Total number of events: %lld -> MCtracks %d -> nPerfect %d -> Eff: %3.2lf \n",
tree->GetEntries(),nTrackTotalMC,nTrackPerfect,eff);
Double_t purity = ((Double_t)nTrackPerfect)/nTrackFound;
printf("-> Total number of events: %lld -> FoundTracks %d -> nPerfect %d -> Purity: %3.2lf \n",
tree->GetEntries(),nTrackFound,nTrackPerfect,purity);
// Efficiencies - and normalize to 100%
TF1 f1("f1","100+x*0",0.,1.e3);
hPurity->Divide(hPerfect,hAllFound,1,1,"b");
hPurity->Multiply(&f1);
hPurity->SetMarkerColor(kGreen);
hPurity->SetMarkerStyle(21);
hPurity->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
hPurity->SetStats(0);
hPurity->GetYaxis()->SetRangeUser(0,100);
hPurity->SetTitle("Efficiency & Purity");
hEff->Divide(hPerfect,hAllMC,1,1,"b");
hEff->Multiply(&f1);
hEff->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
hEff->SetMarkerColor(kBlue);
hEff->SetMarkerStyle(21);
hEff->SetStats(0);
hFake->Divide(hImperfect,hAllMC,1,1,"b");
hFake->Multiply(&f1);
hFake->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
hFake->SetMarkerColor(kRed);
hFake->SetMarkerStyle(21);
hFake->SetStats(0);
hAnna->Divide(hAllFound,hAllMC,1,1,"b");
hAnna->Multiply(&f1);
hAnna->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
hAnna->SetMarkerColor(kBlack);
hAnna->SetMarkerStyle(21);
hAnna->SetStats(0);
TCanvas *c1 = new TCanvas("c1","NoMCTrackFound");//,200,10,900,900);
TVirtualPad *pad = c1->cd();
pad->SetGridx(); pad->SetGridy();
hNoMCTrack->Draw();
TCanvas *c2 = new TCanvas("c2","Eff&Purity");//,200,10,900,900);
TVirtualPad *pad = c2->cd();
pad->SetGridx(); pad->SetGridy();
// pad->SetLogx();
hPurity->Draw("E");
hEff->Draw("Same E");
hFake->Draw("Same E");
hAnna->Draw("Same E");
TLegend *leg = new TLegend(0.1,0.8,0.6,0.9);leg->SetFillColor(0);
leg->AddEntry(hPurity,"Purity (\"Perfect tracks\" within \"Found Tracks\")","PE");
leg->AddEntry(hEff,"Efficiency (\"Perfect tracks\" within \"MC findable Tracks\")","PE");
leg->AddEntry(hFake,"Fake (\"Inperfect tracks\" within \"MC findable Tracks\")","PE");
leg->AddEntry(hAnna,"AnnaLisa - Efficiency (\"Found tracks\" within \"MC findable Tracks\")","PE");
leg->Draw();
if (plotFlag==1){
hAllMC->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
hAllMC->Draw(); // MC pt distribution
hAllFound->SetLineColor(2);
hAllFound->Draw("same"); // MC pt distribution
}
/*
.L ~/ITSupgrade/BuildDetector/DetectorK.cxx+
// All NEW
DetectorK its("ALICE","ITS");
its.MakeAliceAllNew(0);
its.SetMaxRadiusOfSlowDetectors(0.01);
its.SolveViaBilloir(0);
TGraph *c = its.GetGraphRecoEfficiency(0,3,2);
c->Draw("C");
// Current
DetectorK its("ALICE","ITS");
its.MakeAliceCurrent(0,0);
its.SetMaxRadiusOfSlowDetectors(0.01);
its.SolveViaBilloir(0);
TGraph *c = its.GetGraphRecoEfficiency(0,4,2);
c->Draw("C");
*/
TCanvas *c3 = new TCanvas("c3","impact");//,200,10,900,900);
c3->Divide(2,1); c3->cd(1);
// Impact parameter
// Impact parameter resolution ---------------
h2Ddca->Draw("colz");
h2Ddca->FitSlicesY() ;
TH2D *dcaM = (TH2D*)gDirectory->Get("dca2D_1"); dcaM->Draw("same");
TH2D *dcaRMS = (TH2D*)gDirectory->Get("dca2D_2"); //dcaRMS->Draw();
TGraphErrors *d0 = new TGraphErrors();
for (Int_t ibin =1; ibin<=dcaRMS->GetXaxis()->GetNbins(); ibin++) {
d0->SetPoint( ibin-1,dcaRMS->GetBinCenter(ibin),dcaRMS->GetBinContent(ibin)*1e4); // microns
d0->SetPointError(ibin-1,0,dcaRMS->GetBinError(ibin)*1e4); // microns
}
d0->SetMarkerStyle(21);
d0->SetMaximum(200); d0->SetMinimum(0);
d0->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
d0->GetYaxis()->SetTitle("R-#phi Pointing Resolution (#mum)");
d0->SetName("dca"); d0->SetTitle("DCAvsPt");
c3->cd(1); h2Ddca->Draw("surf2");
c3->cd(2); d0->Draw("APE");
// PT RESOLUTION ------------
TCanvas *c4 = new TCanvas("c4","pt resolution");//,200,10,900,900);
c4->Divide(2,1); c4->cd(1);
// Impact parameter
h2Dpt->Draw("colz");
h2Dpt->FitSlicesY() ;
TH2D *dPtM = (TH2D*)gDirectory->Get("dPt2D_1"); dPtM->Draw("same");
TH2D *dPtRMS = (TH2D*)gDirectory->Get("dPt2D_2"); // dPtRMS->Draw("");
TGraphErrors *gPt = new TGraphErrors();
for (Int_t ibin =1; ibin<=dPtRMS->GetXaxis()->GetNbins(); ibin++) {
gPt->SetPoint( ibin-1,dPtRMS->GetBinCenter(ibin),dPtRMS->GetBinContent(ibin));
gPt->SetPointError(ibin-1,0,dPtRMS->GetBinError(ibin));
}
gPt->SetMarkerStyle(21);
gPt->SetMaximum(20); gPt->SetMinimum(0);
gPt->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
gPt->GetYaxis()->SetTitle("relative momentum resolution (%)");
gPt->SetName("dPt"); gPt->SetTitle("DPTvsPt");
c4->cd(1); h2Dpt->Draw("surf2");
c4->cd(2); gPt->Draw("APE");
// EXPORT --------
TFile f("histos.root","RECREATE");
hMultCount->Write();
hAllMC->Write();
hAllFound->Write();
hImperfect->Write();
hPerfect->Write();
hNoMCTrack->Write();
hPurity->Write();
hEff->Write();
hFake->Write();
hAnna->Write();
h2Ddca->Write();
d0->Write();
h2Dpt->Write();
gPt->Write();
f.Close();
return;
}
void CountTrackableMCs(TH1F *hAllMC, Bool_t onlyPrims,Bool_t onlyPion) {
gSystem->Load("libITSUpgradeBase");
gSystem->Load("libITSUpgradeSim");
// open run loader and load gAlice, kinematics and header
AliRunLoader* runLoader = AliRunLoader::Open("galice.root");
if (!runLoader) {
Error("Check kine", "getting run loader from file %s failed",
"galice.root");
return;
}
runLoader->LoadHeader();
runLoader->LoadKinematics();
runLoader->LoadTrackRefs();
AliLoader *dl = runLoader->GetDetectorLoader("ITS");
//Trackf
TTree *trackRefTree = 0x0;
TClonesArray *trackRef = new TClonesArray("AliTrackReference",1000);
// TH1F *hRef = new TH1F("","",100,0,100);
TH1F *hR = new TH1F("","",100,0,100);
if (hAllMC==0) hAllMC = new TH1F("","",100,0.1,2);
Float_t ptmin = hAllMC->GetBinCenter(1)-hAllMC->GetBinWidth(1)/2;
Float_t ptmax = hAllMC->GetBinCenter(hAllMC->GetNbinsX())+hAllMC->GetBinWidth(hAllMC->GetNbinsX())/2;
// Int_t nAllMC = 0;
// Detector geometry
TArrayD rmin(0); TArrayD rmax(0);
GetDetectorRadii(&rmin,&rmax);
TArrayI nLaySigs(rmin.GetSize());
printf("Counting trackable MC tracks ...\n");
for(Int_t iEv =0; iEv<runLoader->GetNumberOfEvents(); iEv++){
Int_t nTrackableTracks = 0;
runLoader->GetEvent(iEv);
AliStack* stack = runLoader->Stack();
printf("+++ event %i (of %d) +++++++++++++++++++++++ # total MCtracks: %d \n",iEv,runLoader->GetNumberOfEvents()-1,stack->GetNtrack());
trackRefTree=runLoader->TreeTR();
TBranch *br = trackRefTree->GetBranch("TrackReferences");
if(!br) {
printf("no TR branch available , exiting \n");
return;
}
br->SetAddress(&trackRef);
// init the trackRef tree
trackRefTree=runLoader->TreeTR();
trackRefTree->SetBranchAddress("TrackReferences",&trackRef);
// Count trackable MC tracks
for (Int_t iMC=0; iMC<stack->GetNtrack(); iMC++) {
TParticle* particle = stack->Particle(iMC);
if (TMath::Abs(particle->Eta())>etaCut) continue;
if (onlyPrims && !stack->IsPhysicalPrimary(iMC)) continue;
if (onlyPion && TMath::Abs(particle->GetPdgCode())!=211) continue;
Bool_t isTrackable = 0;
nLaySigs.Reset(0);
trackRefTree->GetEntry(stack->TreeKEntry(iMC));
Int_t nref=trackRef->GetEntriesFast();
for(Int_t iref =0; iref<nref; iref++){
AliTrackReference *trR = (AliTrackReference*)trackRef->At(iref);
if(!trR) continue;
if(trR->DetectorId()!=AliTrackReference::kITS) continue;
Float_t radPos = trR->R();
hR->Fill(radPos);
for (Int_t il=0; il<rmin.GetSize();il++) {
if (radPos>=rmin.At(il)-0.1 && radPos<=rmax.At(il)+0.1) {
// cout<<" in Layer "<<il<<" "<<radPos;
nLaySigs.AddAt(1.,il);
// cout<<" "<<nLaySigs.At(il)<<endl;
}
}
}
if (nLaySigs.GetSum()>=3) {
isTrackable =1;
// cout<<nLaySigs.GetSum()<<endl;
}
if (isTrackable) {
Double_t ptMC = particle->Pt();
// Double_t etaMC = particle->Eta();
// if (ptMC>ptmin&&ptMC<ptmax) {nTrackableTracks++;hAllMC->Fill(ptMC);}
if (ptMC>ptmin) {nTrackableTracks++;hAllMC->Fill(ptMC);}
}
} // entries tracks MC
printf(" -> trackable MC tracks: %d (%d)\n",nTrackableTracks,hAllMC->GetEntries());
}//entries Events
hR->DrawCopy();
hAllMC->DrawCopy();
runLoader->UnloadHeader();
runLoader->UnloadKinematics();
delete runLoader;
}
void compClusHitsMod2(int nev=-1)
{
const int kSplit=0x1<<22;
const int kSplCheck=0x1<<23;
//
gSystem->Load("libITSUpgradeBase");
gSystem->Load("libITSUpgradeSim");
gSystem->Load("libITSUpgradeRec");
gROOT->SetStyle("Plain");
AliCDBManager* man = AliCDBManager::Instance();
man->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
man->SetSpecificStorage("GRP/GRP/Data",
Form("local://%s",gSystem->pwd()));
man->SetSpecificStorage("ITS/Align/Data",
Form("local://%s",gSystem->pwd()));
man->SetSpecificStorage("ITS/Calib/RecoParam",
Form("local://%s",gSystem->pwd()));
man->SetRun(0);
TH1F* hL0A = new TH1F("hL0A", "Layer 0, polar angle", 20, 0, TMath::PiOver2());
hL0A->SetDirectory(0);
hL0A->GetXaxis()->SetTitle("#alpha");
TH1F* hL0B = new TH1F("hL0B", "Layer 0, azimuthal angle", 20, 0, TMath::PiOver2());
hL0B->SetDirectory(0);
hL0B->GetXaxis()->SetTitle("#beta");
TH1F* hL1A = new TH1F("hL1A", "Layer 1, polar angle", 20, 0, TMath::PiOver2());
hL1A->SetDirectory(0);
hL1A->GetXaxis()->SetTitle("#alpha");
TH1F* hL1B = new TH1F("hL1B", "Layer 1, azimuthal angle", 20, 0, TMath::PiOver2());
hL1B->SetDirectory(0);
hL1B->GetXaxis()->SetTitle("#beta");
TH1F* hL2A = new TH1F("hL2A", "Layer 2, polar angle", 20, 0, TMath::PiOver2());
hL2A->SetDirectory(0);
hL2A->GetXaxis()->SetTitle("#alpha");
TH1F* hL2B = new TH1F("hL2B", "Layer 2, azimuthal angle", 20, 0, TMath::PiOver2());
hL2B->SetDirectory(0);
hL2B->GetXaxis()->SetTitle("#beta");
TH1F* hL3A = new TH1F("hL3A", "Layer 3, polar angle", 20, 0, TMath::PiOver2());
hL3A->SetDirectory(0);
hL3A->GetXaxis()->SetTitle("#alpha");
TH1F* hL3B = new TH1F("hL3B", "Layer 3, azimuthal angle", 20, 0, TMath::PiOver2());
hL3B->SetDirectory(0);
hL3B->GetXaxis()->SetTitle("#beta");
TH1F* hL4A = new TH1F("hL4A", "Layer 4, polar angle", 20, 0, TMath::PiOver2());
hL4A->SetDirectory(0);
hL4A->GetXaxis()->SetTitle("#alpha");
TH1F* hL4B = new TH1F("hL4B", "Layer 4, azimuthal angle", 20, 0, TMath::PiOver2());
hL4B->SetDirectory(0);
hL4B->GetXaxis()->SetTitle("#beta");
TH1F* hL5A = new TH1F("hL5A", "Layer 5, polar angle", 20, 0, TMath::PiOver2());
hL5A->SetDirectory(0);
hL5A->GetXaxis()->SetTitle("#alpha");
TH1F* hL5B = new TH1F("hL5B", "Layer 5, azimuthal angle", 20, 0, TMath::PiOver2());
hL5B->SetDirectory(0);
hL5B->GetXaxis()->SetTitle("#beta");
TH1F* hL6A = new TH1F("hL6A", "Layer 6, polar angle", 20, 0, TMath::PiOver2());
hL6A->SetDirectory(0);
hL6A->GetXaxis()->SetTitle("#alpha");
TH1F* hL6B = new TH1F("hL6B", "Layer 6, azimuthal angle", 20, 0, TMath::PiOver2());
hL6B->SetDirectory(0);
hL6B->GetXaxis()->SetTitle("#beta");
gAlice=NULL;
AliRunLoader* runLoader = AliRunLoader::Open("galice.root");
runLoader->LoadgAlice();
gAlice = runLoader->GetAliRun();
runLoader->LoadHeader();
runLoader->LoadKinematics();
runLoader->LoadRecPoints();
runLoader->LoadSDigits();
runLoader->LoadHits();
AliLoader *dl = runLoader->GetDetectorLoader("ITS");
AliGeomManager::LoadGeometry("geometry.root");
TObjArray algITS;
AliGeomManager::LoadAlignObjsFromCDBSingleDet("ITS",algITS);
AliGeomManager::ApplyAlignObjsToGeom(algITS);
//
AliITSUGeomTGeo* gm = new AliITSUGeomTGeo(kTRUE);
AliITSMFTClusterPix::SetGeom(gm);
//
AliITSURecoDet *its = new AliITSURecoDet(gm, "ITSinterface");
its->CreateClusterArrays();
//
Double_t xg1,yg1,zg1=0.,xg0,yg0,zg0=0.,tg0;
Double_t xExit,yExit,zExit,xEnt,yEnt,zEnt,tof1;
//
TTree *cluTree = 0x0;
TTree *hitTree = 0x0;
TClonesArray *hitList=new TClonesArray("AliITSMFTHit");
//
Float_t xyzClGloF[3];
Double_t xyzClGlo[3],xyzClTr[3];
Int_t labels[3];
int nLab = 0;
int nlr=its->GetNLayersActive();
int ntotev = (Int_t)runLoader->GetNumberOfEvents();
printf("N Events : %i \n",ntotev);
if (nev>0) ntotev = TMath::Min(nev,ntotev);
//
// output tree
TFile* flOut = TFile::Open("clInfo.root","recreate");
TTree* trOut = new TTree("clitsu","clitsu");
clSumm cSum;
trOut->Branch("evID", &cSum.evID ,"evID/I");
trOut->Branch("volID",&cSum.volID,"volID/I");
trOut->Branch("lrID", &cSum.lrID ,"lrID/I");
trOut->Branch("clID", &cSum.clID ,"clID/I");
trOut->Branch("nPix", &cSum.nPix ,"nPix/I");
trOut->Branch("nX" , &cSum.nX ,"nX/I");
trOut->Branch("nZ" , &cSum.nZ ,"nZ/I");
trOut->Branch("q" , &cSum.q ,"q/I");
trOut->Branch("pt" , &cSum.pt ,"pt/F");
trOut->Branch("eta" ,&cSum.eta ,"eta/F");
trOut->Branch("phi" , &cSum.phi ,"phi/F");
trOut->Branch("xyz", cSum.xyz, "xyz[3]/F");
trOut->Branch("dX" , &cSum.dX ,"dX/F");
trOut->Branch("dY" , &cSum.dY ,"dY/F");
trOut->Branch("dZ" , &cSum.dZ ,"dZ/F");
trOut->Branch("split",&cSum.split,"split/O");
trOut->Branch("prim", &cSum.prim, "prim/O");
trOut->Branch("pdg", &cSum.pdg, "pdg/I");
trOut->Branch("ntr", &cSum.ntr, "ntr/I");
trOut->Branch("alpha", &cSum.alpha, "alpha/F");
trOut->Branch("beta", &cSum.beta, "beta/F");
trOut->Branch("nRowPatt", &cSum.nRowPatt, "nRowPatt/I");
trOut->Branch("nColPatt", &cSum.nColPatt, "nColPatt/I");
TopDatabase DB;
for (Int_t iEvent = 0; iEvent < ntotev; iEvent++) {
printf("\n Event %i \n",iEvent);
runLoader->GetEvent(iEvent);
AliStack *stack = runLoader->Stack();
cluTree=dl->TreeR();
hitTree=dl->TreeH();
hitTree->SetBranchAddress("ITS",&hitList);
//
// read clusters
for (int ilr=nlr;ilr--;) {
TBranch* br = cluTree->GetBranch(Form("ITSRecPoints%d",ilr));
if (!br) {printf("Did not find cluster branch for lr %d\n",ilr); exit(1);}
br->SetAddress(its->GetLayerActive(ilr)->GetClustersAddress());
}
cluTree->GetEntry(0);
its->ProcessClusters();
//
// read hits
for(Int_t iEnt=0;iEnt<hitTree->GetEntries();iEnt++){//entries loop of the hits
hitTree->GetEntry(iEnt);
int nh = hitList->GetEntries();
for(Int_t iHit=0; iHit<nh;iHit++){
AliITSMFTHit *pHit = (AliITSMFTHit*)hitList->At(iHit);
int mcID = pHit->GetTrack();
//printf("MCid: %d %d %d Ch %d\n",iEnt,iHit, mcID, pHit->GetChip());
TClonesArray* harr = arrMCTracks.GetEntriesFast()>mcID ? (TClonesArray*)arrMCTracks.At(mcID) : 0;
if (!harr) {
harr = new TClonesArray("AliITSMFTHit"); // 1st encounter of the MC track
arrMCTracks.AddAtAndExpand(harr,mcID);
}
//
new ( (*harr)[harr->GetEntriesFast()] ) AliITSMFTHit(*pHit);
}
}
// return;
//
// compare clusters and hits
//
printf(" tree entries: %lld\n",cluTree->GetEntries());
//
for (int ilr=0;ilr<nlr;ilr++) {
AliITSURecoLayer* lr = its->GetLayerActive(ilr);
TClonesArray* clr = lr->GetClusters();
int nClu = clr->GetEntries();
//printf("Layer %d : %d clusters\n",ilr,nClu);
//
for (int icl=0;icl<nClu;icl++) {
AliITSMFTClusterPix *cl = (AliITSMFTClusterPix*)clr->At(icl);
int modID = cl->GetVolumeId();
//------------ check if this is a split cluster
int sInL = modID - gm->GetFirstChipIndex(ilr);
if (!cl->TestBit(kSplCheck)) {
cl->SetBit(kSplCheck);
// check if there is no other cluster with same label on this module
AliITSURecoSens* sens = lr->GetSensor(sInL);
int nclSn = sens->GetNClusters();
int offs = sens->GetFirstClusterId();
// printf("To check for %d (mod:%d) N=%d from %d\n",icl,modID,nclSn,offs);
for (int ics=0;ics<nclSn;ics++) {
AliITSMFTClusterPix* clusT = (AliITSMFTClusterPix*)lr->GetCluster(offs+ics); // access to clusters
if (clusT==cl) continue;
for (int ilb0=0;ilb0<3;ilb0++) {
int lb0 = cl->GetLabel(ilb0); if (lb0<=-1) break;
for (int ilb1=0;ilb1<3;ilb1++) {
int lb1 = clusT->GetLabel(ilb1); if (lb1<=-1) break;
if (lb1==lb0) {
cl->SetBit(kSplit);
clusT->SetBit(kSplit);
/*
printf("Discard clusters of module %d:\n",modID);
cl->Print();
clusT->Print();
*/
break;
}
}
}
}
}
//------------
const AliITSMFTSegmentationPix* segm = gm->GetSegmentation(ilr);
//
cl->GetGlobalXYZ(xyzClGloF);
int clsize = cl->GetNPix();
for (int i=3;i--;) xyzClGlo[i] = xyzClGloF[i];
const TGeoHMatrix* mat = gm->GetMatrixSens(modID);
if (!mat) {printf("failed to get matrix for module %d\n",cl->GetVolumeId());}
mat->MasterToLocal(xyzClGlo,xyzClTr);
//
int col,row;
segm->LocalToDet(xyzClTr[0],xyzClTr[2],row,col); // effective col/row
nLab = 0;
for (int il=0;il<3;il++) {
if (cl->GetLabel(il)>=0) labels[nLab++] = cl->GetLabel(il);
else break;
}
// find hit info
for (int il=0;il<nLab;il++) {
TClonesArray* htArr = (TClonesArray*)arrMCTracks.At(labels[il]);
//printf("check %d/%d LB %d %p\n",il,nLab,labels[il],htArr);
if (!htArr) {printf("did not find MChits for label %d ",labels[il]); cl->Print(); continue;}
//
int nh = htArr->GetEntriesFast();
AliITSMFTHit *pHit=0;
for (int ih=nh;ih--;) {
AliITSMFTHit* tHit = (AliITSMFTHit*)htArr->At(ih);
if (tHit->GetChip()!=modID) continue;
pHit = tHit;
break;
}
if (!pHit) {
printf("did not find MChit for label %d on module %d ",il,modID);
cl->Print();
htArr->Print();
continue;
}
//
pHit->GetPositionG(xg1,yg1,zg1);
pHit->GetPositionG0(xg0,yg0,zg0,tg0);
//
double txyzH[3],gxyzH[3] = { (xg1+xg0)/2, (yg1+yg0)/2, (zg1+zg0)/2 };
mat->MasterToLocal(gxyzH,txyzH);
double rcl = TMath::Sqrt(xyzClTr[0]*xyzClTr[0]+xyzClTr[1]*xyzClTr[1]);
double rht = TMath::Sqrt(txyzH[0]*txyzH[0]+txyzH[1]*txyzH[1]);
//
//Angles determination
pHit->GetPositionL(xExit,yExit,zExit,gm);
pHit->GetPositionL0(xEnt,yEnt,zEnt,tof1,gm);
Double_t dirHit[3]={(xExit-xEnt),(yExit-yEnt),(zExit-zEnt)};
/*double PG[3] = {(double)pHit->GetPXG(), (double)pHit->GetPYG(), (double)pHit->GetPZG()}; //Momentum at hit-point in Global Frame
double PL[3];
if (TMath::Abs(PG[0])<10e-7 && TMath::Abs(PG[1])<10e-7) {
pHit->Dump();
int lb = pHit->GetTrack();
stack->Particle(lb)->Print();
continue;
}
mat->MasterToLocalVect(PG,PL); //Momentum in local Frame
//printf(">> %e %e %e %e %e %e\n",PG[0],PL[0],PG[1],PL[1],PG[2],PL[2]);*/
Double_t alpha1 = TMath::ACos(TMath::Abs(dirHit[1])/TMath::Sqrt(dirHit[0]*dirHit[0]+dirHit[1]*dirHit[1]+dirHit[2]*dirHit[2])); //Polar Angle
Float_t alpha2 = (Float_t) alpha1; //convert to float
cSum.alpha = alpha2;
Double_t beta1;
beta1 = TMath::ATan2(dirHit[0],dirHit[2]); //Azimuthal angle, values from -Pi to Pi
Float_t beta2 = (Float_t) beta1;
cSum.beta = beta2;
if(ilr==0){
hL0A->Fill(alpha2);
hL0B->Fill(beta2);
}
if(ilr==1){
hL1A->Fill(alpha2);
hL1B->Fill(beta2);
}
if(ilr==2){
hL2A->Fill(alpha2);
hL2B->Fill(beta2);
}
if(ilr==3){
hL3A->Fill(alpha2);
hL3B->Fill(beta2);
}
if(ilr==4){
hL4A->Fill(alpha2);
hL4B->Fill(beta2);
}
if(ilr==5){
hL5A->Fill(alpha2);
hL5B->Fill(beta2);
}
if(ilr==6){
hL6A->Fill(alpha2);
hL6B->Fill(beta2);
}
GetHistoClSize(clsize,kDR,&histoArr)->Fill((rht-rcl)*1e4);
if (cl->TestBit(kSplit)) {
if (col%2) GetHistoClSize(clsize,kDTXoddSPL,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
else GetHistoClSize(clsize,kDTXevenSPL,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
GetHistoClSize(clsize,kDTZSPL,&histoArr)->Fill((txyzH[2]-xyzClTr[2])*1e4);
GetHistoClSize(0,kNPixSPL,&histoArr)->Fill(clsize);
}
if (col%2) GetHistoClSize(clsize,kDTXodd,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
else GetHistoClSize(clsize,kDTXeven,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
GetHistoClSize(clsize,kDTZ,&histoArr)->Fill((txyzH[2]-xyzClTr[2])*1e4);
GetHistoClSize(0,kNPixAll,&histoArr)->Fill(clsize);
//
cSum.evID = iEvent;
cSum.volID = cl->GetVolumeId();
cSum.lrID = ilr;
cSum.clID = icl;
cSum.nPix = cl->GetNPix();
cSum.nX = cl->GetNx();
cSum.nZ = cl->GetNz();
cSum.q = cl->GetQ();
cSum.split = cl->TestBit(kSplit);
cSum.dX = (txyzH[0]-xyzClTr[0])*1e4;
cSum.dY = (txyzH[1]-xyzClTr[1])*1e4;
cSum.dZ = (txyzH[2]-xyzClTr[2])*1e4;
cSum.nRowPatt = cl-> GetPatternRowSpan();
cSum.nColPatt = cl-> GetPatternColSpan();
DB.AccountTopology(*cl, cSum.dX, cSum.dZ, cSum.alpha, cSum.beta);
GetHistoClSize(clsize,kDR,&histoArr)->Fill((rht-rcl)*1e4);
if (cl->TestBit(kSplit)) {
if (col%2) GetHistoClSize(clsize,kDTXoddSPL,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
else GetHistoClSize(clsize,kDTXevenSPL,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
GetHistoClSize(clsize,kDTZSPL,&histoArr)->Fill((txyzH[2]-xyzClTr[2])*1e4);
GetHistoClSize(0,kNPixSPL,&histoArr)->Fill(clsize);
}
if (col%2) GetHistoClSize(clsize,kDTXodd,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
else GetHistoClSize(clsize,kDTXeven,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
GetHistoClSize(clsize,kDTZ,&histoArr)->Fill((txyzH[2]-xyzClTr[2])*1e4);
GetHistoClSize(0,kNPixAll,&histoArr)->Fill(clsize);
//
cSum.evID = iEvent;
cSum.volID = cl->GetVolumeId();
cSum.lrID = ilr;
cSum.clID = icl;
cSum.nPix = cl->GetNPix();
cSum.nX = cl->GetNx();
cSum.nZ = cl->GetNz();
cSum.q = cl->GetQ();
cSum.split = cl->TestBit(kSplit);
cSum.dX = (txyzH[0]-xyzClTr[0])*1e4;
cSum.dY = (txyzH[1]-xyzClTr[1])*1e4;
cSum.dZ = (txyzH[2]-xyzClTr[2])*1e4;
cSum.nRowPatt = cl-> GetPatternRowSpan();
cSum.nColPatt = cl-> GetPatternColSpan();
int label = cl->GetLabel(0);
TParticle* part = 0;
if (label>=0 && (part=stack->Particle(label)) ) {
cSum.pdg = part->GetPdgCode();
cSum.eta = part->Eta();
cSum.pt = part->Pt();
cSum.phi = part->Phi();
cSum.prim = stack->IsPhysicalPrimary(label);
}
cSum.ntr = 0;
for (int ilb=0;ilb<3;ilb++) if (cl->GetLabel(ilb)>=0) cSum.ntr++;
for (int i=0;i<3;i++) cSum.xyz[i] = xyzClGloF[i];
//
trOut->Fill();
/*
if (clsize==5) {
printf("\nL%d(%c) Mod%d, Cl:%d | %+5.1f %+5.1f (%d/%d)|H:%e %e %e | C:%e %e %e\n",ilr,cl->TestBit(kSplit) ? 'S':'N',
modID,icl,(txyzH[0]-xyzClTr[0])*1e4,(txyzH[2]-xyzClTr[2])*1e4, row,col,
gxyzH[0],gxyzH[1],gxyzH[2],xyzClGlo[0],xyzClGlo[1],xyzClGlo[2]);
cl->Print();
pHit->Print();
//
double a0,b0,c0,a1,b1,c1,e0;
pHit->GetPositionL0(a0,b0,c0,e0);
pHit->GetPositionL(a1,b1,c1);
float cloc[3];
cl->GetLocalXYZ(cloc);
printf("LocH: %e %e %e | %e %e %e\n",a0,b0,c0,a1,b1,c1);
printf("LocC: %e %e %e | %e %e %e\n",cloc[0],cloc[1],cloc[2],xyzClTr[0],xyzClTr[1],xyzClTr[2]);
}
*/
//
}
}
}
// layerClus.Clear();
//
arrMCTracks.Delete();
}//event loop
//
DB.EndAndSort();
DB.SetThresholdCumulative(0.95);
cout << "Over threshold: : "<< DB.GetOverThr()<<endl;
DB.Grouping(10,10);
DB.PrintDB("Database1.txt");
flOut->cd();
trOut->Write();
delete trOut;
flOut->Close();
flOut->Delete();
DrawReport("clinfo.ps",&histoArr);
TFile* flDB = TFile::Open("TopologyDatabase.root", "recreate");
flDB->WriteObject(&DB,"DB","kSingleKey");
flDB->Close();
delete flDB;
TCanvas* cnv123 = new TCanvas("cnv123","cnv123");
cnv123->Divide(1,2);
cnv123->Print("anglesdistr.pdf[");
cnv123->cd(1);
hL0A->Draw();
cnv123->cd(2);
hL0B->Draw();
cnv123->Print("anglesdistr.pdf");
cnv123->cd(1);
hL1A->Draw();
cnv123->cd(2);
hL1B->Draw();
cnv123->Print("anglesdistr.pdf");
cnv123->cd(1);
hL2A->Draw();
cnv123->cd(2);
hL2B->Draw();
cnv123->Print("anglesdistr.pdf");
cnv123->cd(1);
hL3A->Draw();
cnv123->cd(2);
hL3B->Draw();
cnv123->Print("anglesdistr.pdf");
cnv123->cd(1);
hL4A->Draw();
cnv123->cd(2);
hL4B->Draw();
cnv123->Print("anglesdistr.pdf");
cnv123->cd(1);
hL5A->Draw();
cnv123->cd(2);
hL5B->Draw();
cnv123->Print("anglesdistr.pdf");
cnv123->cd(1);
hL6A->Draw();
cnv123->cd(2);
hL6B->Draw();
cnv123->Print("anglesdistr.pdf");
cnv123->Print("anglesdistr.pdf]");
//
}
int main(int argc, char* argv[])
{
TApplication theApp(srcName.Data(), &argc, argv);
//=============================================================================
for (int i=0; i<argc; i++) cout << i << ", " << argv[i] << endl;
//=============================================================================
if (argc<5) return -1;
TString sPath = argv[1]; if (sPath.IsNull()) return -1;
TString sFile = argv[2]; if (sFile.IsNull()) return -1;
TString sJetR = argv[3]; if (sJetR.IsNull()) return -1;
TString sSjeR = argv[4]; if (sSjeR.IsNull()) return -1;
//=============================================================================
sPath.ReplaceAll("#", "/");
//=============================================================================
double dJetR = -1.;
if (sJetR=="JetR02") dJetR = 0.2;
if (sJetR=="JetR03") dJetR = 0.3;
if (sJetR=="JetR04") dJetR = 0.4;
if (sJetR=="JetR05") dJetR = 0.5;
if (dJetR<0.) return -1;
cout << "Jet R = " << dJetR << endl;
//=============================================================================
double dSjeR = -1.;
if (sSjeR=="SjeR01") dSjeR = 0.1;
if (sSjeR=="SjeR02") dSjeR = 0.2;
if (sSjeR=="SjeR03") dSjeR = 0.3;
if (sSjeR=="SjeR04") dSjeR = 0.4;
if (dSjeR<0.) return -1;
cout << "Sub-jet R = " << dSjeR << endl;
//=============================================================================
const double dJetsPtMin = 0.001;
const double dCutEtaMax = 1.6;
const double dJetEtaMax = 1.;
const double dJetAreaRef = TMath::Pi() * dJetR * dJetR;
fastjet::GhostedAreaSpec areaSpc(dCutEtaMax);
fastjet::JetDefinition jetsDef(fastjet::antikt_algorithm, dJetR, fastjet::BIpt_scheme, fastjet::Best);
//fastjet::AreaDefinition areaDef(fastjet::active_area,areaSpc);
fastjet::AreaDefinition areaDef(fastjet::active_area_explicit_ghosts,areaSpc);
//fastjet::JetDefinition bkgsDef(fastjet::kt_algorithm, 0.2, fastjet::BIpt_scheme, fastjet::Best);
//fastjet::AreaDefinition aBkgDef(fastjet::active_area_explicit_ghosts, areaSpc);
fastjet::Selector selectJet = fastjet::SelectorAbsEtaMax(dJetEtaMax);
//fastjet::Selector selectRho = fastjet::SelectorAbsEtaMax(dCutEtaMax-0.2);
//fastjet::Selector selecHard = fastjet::SelectorNHardest(2);
//fastjet::Selector selectBkg = selectRho * (!(selecHard));
//fastjet::JetMedianBackgroundEstimator bkgsEstimator(selectBkg, bkgsDef, aBkgDef);
//fastjet::Subtractor bkgSubtractor(&bkgsEstimator);
fastjet::JetDefinition subjDef(fastjet::antikt_algorithm, dSjeR, fastjet::BIpt_scheme, fastjet::Best);
//=============================================================================
std::vector<fastjet::PseudoJet> fjInput;
//=============================================================================
TList *list = new TList();
TH1D *hPtHat = new TH1D("hPtHat", "", 1000, 0., 1000.);
TH1D *hJet = new TH1D("hJet", "", 1000, 0., 1000.); hJet->Sumw2(); list->Add(hJet);
TH2D *hJetNsj = new TH2D("hJetNsj", "", 1000, 0., 1000., 101, -0.5, 100.5); hJetNsj->Sumw2(); list->Add(hJetNsj);
TH2D *hJetIsj = new TH2D("hJetIsj", "", 1000, 0., 1000., 1000, 0., 1000.); hJetIsj->Sumw2(); list->Add(hJetIsj);
TH2D *hJet1sj = new TH2D("hJet1sj", "", 1000, 0., 1000., 1000, 0., 1000.); hJet1sj->Sumw2(); list->Add(hJet1sj);
TH2D *hJet2sj = new TH2D("hJet2sj", "", 1000, 0., 1000., 1000, 0., 1000.); hJet2sj->Sumw2(); list->Add(hJet2sj);
TH2D *hJetDsj = new TH2D("hJetDsj", "", 1000, 0., 1000., 1000, 0., 1000.); hJetDsj->Sumw2(); list->Add(hJetDsj);
TH2D *hJetIsz = new TH2D("hJetIsz", "", 1000, 0., 1000., 120, 0., 1.2); hJetIsz->Sumw2(); list->Add(hJetIsz);
TH2D *hJet1sz = new TH2D("hJet1sz", "", 1000, 0., 1000., 120, 0., 1.2); hJet1sz->Sumw2(); list->Add(hJet1sz);
TH2D *hJet2sz = new TH2D("hJet2sz", "", 1000, 0., 1000., 120, 0., 1.2); hJet2sz->Sumw2(); list->Add(hJet2sz);
TH2D *hJetDsz = new TH2D("hJetDsz", "", 1000, 0., 1000., 120, 0., 1.2); hJetDsz->Sumw2(); list->Add(hJetDsz);
//=============================================================================
AliRunLoader *rl = AliRunLoader::Open(Form("%s/galice.root",sPath.Data())); if (!rl) return -1;
if (rl->LoadHeader()) return -1;
if (rl->LoadKinematics("READ")) return -1;
//=============================================================================
for (Int_t iEvent=0; iEvent<rl->GetNumberOfEvents(); iEvent++) {
fjInput.resize(0);
if (rl->GetEvent(iEvent)) continue;
//=============================================================================
AliStack *pStack = rl->Stack(); if (!pStack) continue;
AliHeader *pHeader = rl->GetHeader(); if (!pHeader) continue;
//=============================================================================
AliGenPythiaEventHeader *pHeadPy = (AliGenPythiaEventHeader*)pHeader->GenEventHeader();
if (!pHeadPy) continue;
hPtHat->Fill(pHeadPy->GetPtHard());
//=============================================================================
for (Int_t i=0; i<pStack->GetNtrack(); i++) if (pStack->IsPhysicalPrimary(i)) {
TParticle *pTrk = pStack->Particle(i); if (!pTrk) continue;
if (TMath::Abs(pTrk->Eta())>dCutEtaMax) { pTrk = 0; continue; }
// TParticlePDG *pPDG = pTrk->GetPDG(); if (!pPDG) { pTrk = 0; continue; }
fjInput.push_back(fastjet::PseudoJet(pTrk->Px(), pTrk->Py(), pTrk->Pz(), pTrk->P()));
// pPDG = 0;
pTrk = 0;
}
//=============================================================================
fastjet::ClusterSequenceArea clustSeq(fjInput, jetsDef, areaDef);
std::vector<fastjet::PseudoJet> includJets = clustSeq.inclusive_jets(dJetsPtMin);
// std::vector<fastjet::PseudoJet> subtedJets = bkgSubtractor(includJets);
std::vector<fastjet::PseudoJet> selectJets = selectJet(includJets);
// std::vector<fastjet::PseudoJet> sortedJets = fastjet::sorted_by_pt(selectJets);
for (int j=0; j<selectJets.size(); j++) {
double dJet = selectJets[j].pt();
hJet->Fill(dJet);
//=============================================================================
fastjet::Filter trimmer(subjDef, fastjet::SelectorPtFractionMin(0.));
fastjet::PseudoJet trimmdJet = trimmer(selectJets[j]);
std::vector<fastjet::PseudoJet> trimmdSj = trimmdJet.pieces();
double nIsj = 0.;
double d1sj = -1.; int k1sj = -1;
double d2sj = -1.; int k2sj = -1;
for (int i=0; i<trimmdSj.size(); i++) {
double dIsj = trimmdSj[i].pt(); if (dIsj<0.001) continue;
hJetIsj->Fill(dJet, dIsj);
hJetIsz->Fill(dJet, dIsj/dJet);
if (dIsj>d1sj) {
d2sj = d1sj; k2sj = k1sj;
d1sj = dIsj; k1sj = i;
} else if (dIsj>d2sj) {
d2sj = dIsj; k2sj = i;
} nIsj += 1.;
}
hJetNsj->Fill(dJet, nIsj);
if (d1sj>0.) { hJet1sj->Fill(dJet, d1sj); hJet1sz->Fill(dJet, d1sj/dJet); }
if (d2sj>0.) { hJet2sj->Fill(dJet, d2sj); hJet2sz->Fill(dJet, d2sj/dJet); }
if ((d1sj>0.) && (d2sj>0.)) {
double dsj = d1sj - d2sj;
double dsz = dsj / dJet;
hJetDsj->Fill(dJet, dsj);
hJetDsz->Fill(dJet, dsz);
}
}
//=============================================================================
pStack = 0;
pHeadPy = 0;
pHeader = 0;
}
//=============================================================================
rl->UnloadgAlice();
rl->UnloadHeader();
rl->UnloadKinematics();
rl->RemoveEventFolder();
//=============================================================================
TFile *file = TFile::Open(Form("%s/pyxsec_hists.root",sPath.Data()), "READ");
TList *lXsc = (TList*)file->Get("cFilterList");
file->Close();
TH1D *hWeightSum = (TH1D*)lXsc->FindObject("h1Trials"); hWeightSum->SetName("hWeightSum");
TProfile *hSigmaGen = (TProfile*)lXsc->FindObject("h1Xsec"); hSigmaGen->SetName("hSigmaGen");
//=============================================================================
file = TFile::Open(Form("%s.root",sFile.Data()), "NEW");
hPtHat->Write();
hWeightSum->Write();
hSigmaGen->Write();
list->Write();
file->Close();
//=============================================================================
cout << "DONE" << endl;
//=============================================================================
return 0;
}
