Adding TH3D histo for AxE vs centrality

Author: rebeccacerri

PWGDQ/Core/HistogramsLibrary.cxx

@@ -962,6 +962,7 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
     hm->AddHistogram(histClass, "YMC", "MC y", false, 50, -5.0, 5.0, VarManager::kMCY);
     hm->AddHistogram(histClass, "CentFT0CMC", "MC Cent. FT0C", false, 18, 0., 90., VarManager::kMCEventCentrFT0C);
     hm->AddHistogram(histClass, "PtMC_YMC", "MC pT vs MC y", false, 120, 0.0, 30.0, VarManager::kMCPt, 1000, -5.0, 5.0, VarManager::kMCY);
+    hm->AddHistogram(histClass, "PtMC_YMC_CentFT0CMC", "MC pT vs MC y vs MC Cent. FT0C", false, 120, 0.0, 30.0, VarManager::kMCPt, 1000, -5.0, 5.0, VarManager::kMCY, 18, 0., 90., VarManager::kMCEventCentrFT0C);
     hm->AddHistogram(histClass, "EtaMC_PtMC", "", false, 40, -2.0, 2.0, VarManager::kMCEta, 200, 0.0, 20.0, VarManager::kMCPt);
     hm->AddHistogram(histClass, "VzMC", "MC vz", false, 100, -15.0, 15.0, VarManager::kMCVz);
     hm->AddHistogram(histClass, "VzMC_VtxZMC", "MC vz vs MC vtxZ", false, 50, -15.0, 15.0, VarManager::kMCVz, 50, -15.0, 15.0, VarManager::kMCVtxZ);