AliCentrality *centrality = fESD->GetCentrality();
Float_t percentile = centrality->GetCentralityPercentile("V0M");
Float_t spdPercentile = centrality->GetCentralityPercentile("CL1");
AliCentrality *centrality = fESD->GetCentrality();
Float_t percentile = centrality->GetCentralityPercentile("V0M");
Float_t spdPercentile = centrality->GetCentralityPercentile("CL1");
fhCentrality[iClass]->Fill(percentile);
fhV0vsSPDCentrality[iClass]->Fill(spdPercentile,percentile);
fhCentrality[iClass]->Fill(percentile);
fhV0vsSPDCentrality[iClass]->Fill(spdPercentile,percentile);