void gen(Int_t nev = 1,
const char* genConfig = "$ALICE_ROOT/MUON/macros/genTestConfig.C")
{
// Load libraries
// gSystem->SetIncludePath("-I$ROOTSYS/include -I$ALICE_ROOT/include -I$ALICE_ROOT");
gSystem->Load("liblhapdf"); // Parton density functions
gSystem->Load("libEGPythia6"); // TGenerator interface
gSystem->Load("libpythia6"); // Pythia
gSystem->Load("libAliPythia6"); // ALICE specific implementations
AliPDG::AddParticlesToPdgDataBase();
TDatabasePDG::Instance();
// Run loader
AliRunLoader* rl = AliRunLoader::Open("galice.root","FASTRUN","recreate");
rl->SetCompressionLevel(2);
rl->SetNumberOfEventsPerFile(nev);
rl->LoadKinematics("RECREATE");
rl->MakeTree("E");
gAlice->SetRunLoader(rl);
// Create stack
rl->MakeStack();
AliStack* stack = rl->Stack();
// Header
AliHeader* header = rl->GetHeader();
// Create and Initialize Generator
gROOT->LoadMacro(genConfig);
AliGenerator* gener = genConfig();
// Go to galice.root
rl->CdGAFile();
// Forbid some decays. Do it after gener->Init(0, because
// the initialization of the generator includes reading of the decay table.
// ...
//
// Event Loop
//
TStopwatch timer;
timer.Start();
for (Int_t iev = 0; iev < nev; iev++) {
cout <<"Event number "<< iev << endl;
// Initialize event
header->Reset(0,iev);
rl->SetEventNumber(iev);
stack->Reset();
rl->MakeTree("K");
// Generate event
stack->Reset();
stack->ConnectTree(rl->TreeK());
gener->Generate();
cout << "Number of particles " << stack->GetNprimary() << endl;
// Finish event
header->SetNprimary(stack->GetNprimary());
header->SetNtrack(stack->GetNtrack());
// I/O
stack->FinishEvent();
header->SetStack(stack);
rl->TreeE()->Fill();
rl->WriteKinematics("OVERWRITE");
} // event loop
timer.Stop();
timer.Print();
// Termination
// Generator
gener->FinishRun();
// Write file
rl->WriteHeader("OVERWRITE");
gener->Write();
rl->Write();
}
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 runSimulation(int seed,
int nevents,
const char* config,
const char* embedwith,
int runnumber)
{
// Uncoment following lines to run simulation with local residual mis-alignment
// (generated via MUONGenerateGeometryData.C macro)
// AliCDBManager* man = AliCDBManager::Instance();
// man->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
// man->SetSpecificStorage("MUON/Align/Data","local://$ALICE_ROOT/OCDB/MUON/ResMisAlignCDB");
AliSimulation MuonSim(config);
if ( strlen(embedwith) > 0 )
{
// setups specific to embedding
gAlice->SetConfigFunction("Config(\"\", \"param\", \"AliMUONDigitStoreV2S\",kTRUE);");
// get the run number from real data
AliRunLoader* runLoader = AliRunLoader::Open(embedwith,"titi");
if (runLoader == 0x0)
{
cerr << Form("Cannot open file %s",embedwith) << endl;
return;
}
runLoader->LoadHeader();
if ( ! runLoader->GetHeader() ) {
cerr << "Cannot load header." << endl;
return;
}
else {
Int_t runNumber = runLoader->GetHeader()->GetRun();
MuonSim.SetRunNumber(runNumber);
cout << Form("***** RUN NUMBER SET TO %09d ACCORDING TO %s ",runNumber,embedwith) << endl;
}
runLoader->UnloadHeader();
delete runLoader;
cout << "***** EMBEDDING MODE : USING RAW OCDB" << endl;
AliCDBManager::Instance()->SetDefaultStorage("raw://");
AliCDBManager::Instance()->SetSpecificStorage("local://$ALICE_ROOT/OCDB","MUON/Align/Data");
}
else if ( runnumber > 0 )
{
// simulation with anchor run
cout << "***** ANCHOR RUN MODE : USING RAW OCDB AS MUCH AS POSSIBLE" << endl;
cout << "***** AND TAKING VERTEX FROM OCDB IF AVAILABLE" << endl;
// Last parameter of Config.C indicates we're doing realistic simulations, so we NEED
// the ITS in the geometry
gAlice->SetConfigFunction("Config(\"\", \"param\", \"AliMUONDigitStoreV2S\",kFALSE,kTRUE);");
AliCDBManager::Instance()->SetDefaultStorage("raw://");
// use something like : "alien://folder=/alice/data/2011/OCDB?cacheFold=/Users/laurent/OCDBcache" instead of "raw://"
// if getting slow/problematic accesses to OCDB...
AliCDBManager::Instance()->SetSpecificStorage("MUON/Align/Data","alien://folder=/alice/cern.ch/user/j/jcastill/LHC10hMisAlignCDB");
MuonSim.SetRunNumber(runnumber);
MuonSim.UseVertexFromCDB();
}
else
{
gAlice->SetConfigFunction("Config(\"\", \"param\", \"AliMUONDigitStoreV2S\",kFALSE);");
}
MuonSim.SetSeed(seed);
MuonSim.SetTriggerConfig("MUON");
MuonSim.SetWriteRawData("MUON ","raw.root",kTRUE);
MuonSim.SetMakeSDigits("MUON");
MuonSim.SetMakeDigits("MUON ITS"); // ITS needed to propagate the simulated vertex
MuonSim.SetMakeDigitsFromHits("ITS"); // ITS needed to propagate the simulated vertex
MuonSim.SetRunHLT("libAliHLTMUON.so chains=dHLT-sim");
MuonSim.SetRunQA("MUON:ALL");
if ( strlen(embedwith) > 0 )
{
MuonSim.MergeWith(embedwith);
}
MuonSim.Run(nevents);
//gObjectTable->Print();
}
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;
}
void fastGen(Tune_t tune = kPyTuneCDFA , Float_t energy, Int_t nev = 1, TString process)
{
// Add all particles to the PDG database
AliPDG::AddParticlesToPdgDataBase();
// set the random seed
TDatime date;
UInt_t seed = date.Get()+gSystem->GetPid();
gRandom->SetSeed(seed);
cout<<"Seed for random number generation= "<<seed<<endl;
// Runloader
AliRunLoader* rl = AliRunLoader::Open("galice.root", "FASTRUN","recreate");
rl->SetCompressionLevel(2);
rl->SetNumberOfEventsPerFile(nev);
rl->LoadKinematics("RECREATE");
rl->MakeTree("E");
gAlice->SetRunLoader(rl);
// Create stack
rl->MakeStack();
AliStack* stack = rl->Stack();
// Header
AliHeader* header = rl->GetHeader();
//
// Create and Initialize Generator
AliGenerator *gener = CreateGenerator(tune,energy);
gener->Init();
// if nsd switch off single diffraction
if ( process == "NSD"){
if(tune != kPhojet) {
AliPythia::Instance()-> SetMSUB(92,0); // single diffraction AB-->XB
AliPythia::Instance()-> SetMSUB(93,0); // single diffraction AB-->AX
}
else {
cout << "NSD not yet implemented in the phojet case" << endl;
exit(1);
}
}
gener->SetStack(stack);
//
// Event Loop
//
Int_t iev;
for (iev = 0; iev < nev; iev++) {
if(!(iev%500)) printf("\n \n Event number %d \n \n", iev);
// Initialize event
header->Reset(0,iev);
rl->SetEventNumber(iev);
stack->Reset();
rl->MakeTree("K");
// stack->ConnectTree();
// Generate event
gener->Generate();
// Analysis
// Int_t npart = stack->GetNprimary();
// printf("Analyse %d Particles\n", npart);
// for (Int_t part=0; part<npart; part++) {
// TParticle *MPart = stack->Particle(part);
// Int_t mpart = MPart->GetPdgCode();
// printf("Particle %d\n", mpart);
// }
// Finish event
header->SetNprimary(stack->GetNprimary());
header->SetNtrack(stack->GetNtrack());
// I/O
//
stack->FinishEvent();
header->SetStack(stack);
rl->TreeE()->Fill();
rl->WriteKinematics("OVERWRITE");
} // event loop
//
// Termination
// Generator
gener->FinishRun();
// Write file
rl->WriteHeader("OVERWRITE");
gener->Write();
rl->Write();
}
Int_t RunHLTITS(Int_t nev=1,Int_t run=0) {
// gSystem->Load("libAliHLTITS");
TStopwatch timer;
timer.Start();
if (gAlice) {
delete gAlice->GetRunLoader();
delete gAlice;
gAlice=0;
}
AliRunLoader *rl = AliRunLoader::Open("galice.root");
if (rl == 0x0) {
cerr<<"Can not open session"<<endl;
return 1;
}
Int_t retval = rl->LoadgAlice();
if (retval) {
cerr<<"AliESDtest.C : LoadgAlice returned error"<<endl;
delete rl;
return 1;
}
retval = rl->LoadHeader();
if (retval) {
cerr<<"AliESDtest.C : LoadHeader returned error"<<endl;
delete rl;
return 2;
}
gAlice=rl->GetAliRun();
AliTracker::SetFieldMap(gAlice->Field());
AliITSLoader* itsl = (AliITSLoader*)rl->GetLoader("ITSLoader");
if (itsl == 0x0) {
cerr<<"AliESDtest.C : Can not get the ITS loader"<<endl;
return 3;
}
itsl->LoadRecPoints("read");
AliITS *dITS = (AliITS*)gAlice->GetDetector("ITS");
if (!dITS) {
cerr<<"AliESDtest.C : Can not find the ITS detector !"<<endl;
return 4;
}
// AliITSgeom *geom = dITS->GetITSgeom();
AliITSgeom *geom = new AliITSgeom();
geom->ReadNewFile("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymmFMD.det");
//An instance of the HLT ITS tracker
AliHLTITStracker itsTracker(geom);
TFile *ef=TFile::Open("AliESDs.root");
if (!ef || !ef->IsOpen()) {cerr<<"Can't AliESDs.root !\n"; return 1;}
AliESD* event = new AliESD;
TTree* tree = (TTree*) ef->Get("esdTree");
if (!tree) {cerr<<"no ESD tree found\n"; return 1;};
tree->SetBranchAddress("ESD", &event);
TFile *itsf=TFile::Open("AliESDits.root","RECREATE");
if ((!itsf)||(!itsf->IsOpen())) {
cerr<<"Can't AliESDits.root !\n"; return 1;
}
Int_t rc=0;
if (nev>rl->GetNumberOfEvents()) nev=rl->GetNumberOfEvents();
//The loop over events
for (Int_t i=0; i<nev; i++) {
cerr<<"\n\nProcessing event number : "<<i<<endl;
tree->GetEvent(i);
rl->GetEvent(i);
TArrayF v(3);
rl->GetHeader()->GenEventHeader()->PrimaryVertex(v);
Double_t vtx[3]={v[0],v[1],v[2]};
Double_t cvtx[3]={0.005,0.005,0.010};
cout<<"MC vertex position: "<<v[2]<<endl;
AliHLTITSVertexerZ vertexer("null");
AliESDVertex* vertex = NULL;
TStopwatch timer2;
timer2.Start();
TTree* treeClusters = itsl->TreeR();
// vertex = vertexer.FindVertexForCurrentEvent(i);
// AliESDVertex *vertex = vertexer.FindVertexForCurrentEvent(geom,treeClusters);
vertex = new AliESDVertex(vtx,cvtx);
timer2.Stop();
timer2.Print();
if(!vertex){
cerr<<"Vertex not found"<<endl;
vertex = new AliESDVertex(vtx,cvtx);
}
else {
vertex->SetTruePos(vtx); // store also the vertex from MC
}
event->SetVertex(vertex);
Double_t vtxPos[3];
Double_t vtxErr[3];
vertex->GetXYZ(vtxPos);
vertex->GetSigmaXYZ(vtxErr);
itsTracker.SetVertex(vtxPos,vtxErr);
TTree *itsTree=itsl->TreeR();
if (!itsTree) {
cerr<<"Can't get the ITS cluster tree !\n";
return 4;
}
itsTracker.LoadClusters(itsTree);
rc+=itsTracker.Clusters2Tracks(event);
// rc+=itsTracker.PropagateBack(event);
itsTracker.UnloadClusters();
if (rc==0) {
TTree* tree = new TTree("esdTree", "Tree with ESD objects");
tree->Branch("ESD", "AliESD", &event);
tree->Fill();
itsf->cd();
tree->Write();
}
if (rc) {
cerr<<"Something bad happened...\n";
}
}
delete event;
itsf->Close();
ef->Close();
// delete rl;
timer.Stop();
timer.Print();
return rc;
}