[PWGCF] - support for extra MC info from table HepMCHeavyIons - only testing (#11173)

Author: abilandz

PWGCF/MultiparticleCorrelations/Core/MuPa-Configurables.h

@@ -53,7 +53,7 @@ struct : ConfigurableGroup {
   Configurable<bool> cfCheckUnderflowAndOverflow{"cfCheckUnderflowAndOverflow", false, "check and bail out if in event and particle histograms there are entries which went to underflow or overflow bins (use only locally)"};
   Configurable<int> cfRebin{"cfRebin", 10, "number of bins of selected heavy 2D histograms are devided with this number"};
   Configurable<bool> cfFillQAEventHistograms2D{"cfFillQAEventHistograms2D", false, "if false, all QA 2D event histograms are not filled. if true, only the ones for which fBookQAEventHistograms2D[...] is true, are filled"};
-  Configurable<std::vector<std::string>> cfBookQAEventHistograms2D{"cfBookQAEventHistograms2D", {"1-Multiplicity_vs_ReferenceMultiplicity", "1-Multiplicity_vs_NContributors", "1-Multiplicity_vs_Centrality", "1-Multiplicity_vs_VertexZ", "1-Multiplicity_vs_Occupancy", "1-Multiplicity_vs_InteractionRate", "1-ReferenceMultiplicity_vs_NContributors", "1-ReferenceMultiplicity_vs_Centrality", "1-ReferenceMultiplicity_vs_VertexZ", "1-ReferenceMultiplicity_vs_Occupancy", "1-ReferenceMultiplicity_vs_InteractionRate", "1-NContributors_vs_Centrality", "1-NContributors_vs_VertexZ", "1-NContributors_vs_Occupancy", "1-NContributors_vs_InteractionRate", "1-Centrality_vs_VertexZ", "1-Centrality_vs_Occupancy", "0-Centrality_vs_ImpactParameter", "1-Centrality_vs_InteractionRate", "1-VertexZ_vs_Occupancy", "1-VertexZ_vs_InteractionRate", "0-MultNTracksPV_vs_MultNTracksGlobal", "1-CentFT0C_vs_CentFT0CVariant1", "1-CentFT0C_vs_CentFT0M", "1-CentFT0C_vs_CentFV0A", "0-CentFT0C_vs_CentNTPV", "0-CentFT0C_vs_CentNGlobal", "0-CentFT0M_vs_CentNTPV", "0-CentRun2V0M_vs_CentRun2SPDTracklets", "1-TrackOccupancyInTimeRange_vs_FT0COccupancyInTimeRange", "1-CurrentRunDuration_vs_InteractionRate", "1-Multiplicity_vs_FT0CAmplitudeOnFoundBC", "1-CentFT0C_vs_FT0CAmplitudeOnFoundBC"}, "book (1) or do not book (0) this QA 2D event histogram"};
+  Configurable<std::vector<std::string>> cfBookQAEventHistograms2D{"cfBookQAEventHistograms2D", {"1-Multiplicity_vs_ReferenceMultiplicity", "1-Multiplicity_vs_NContributors", "1-Multiplicity_vs_Centrality", "1-Multiplicity_vs_VertexZ", "1-Multiplicity_vs_Occupancy", "1-Multiplicity_vs_InteractionRate", "1-ReferenceMultiplicity_vs_NContributors", "1-ReferenceMultiplicity_vs_Centrality", "1-ReferenceMultiplicity_vs_VertexZ", "1-ReferenceMultiplicity_vs_Occupancy", "1-ReferenceMultiplicity_vs_InteractionRate", "1-NContributors_vs_Centrality", "1-NContributors_vs_VertexZ", "1-NContributors_vs_Occupancy", "1-NContributors_vs_InteractionRate", "1-Centrality_vs_VertexZ", "1-Centrality_vs_Occupancy", "0-Centrality_vs_ImpactParameter", "1-Centrality_vs_InteractionRate", "1-VertexZ_vs_Occupancy", "1-VertexZ_vs_InteractionRate", "0-MultNTracksPV_vs_MultNTracksGlobal", "1-CentFT0C_vs_CentFT0CVariant1", "1-CentFT0C_vs_CentFT0M", "1-CentFT0C_vs_CentFV0A", "0-CentFT0C_vs_CentNTPV", "0-CentFT0C_vs_CentNGlobal", "0-CentFT0M_vs_CentNTPV", "0-CentRun2V0M_vs_CentRun2SPDTracklets", "1-TrackOccupancyInTimeRange_vs_FT0COccupancyInTimeRange", "1-CurrentRunDuration_vs_InteractionRate", "1-Multiplicity_vs_FT0CAmplitudeOnFoundBC", "1-CentFT0C_vs_FT0CAmplitudeOnFoundBC", "1-Centrality_vs_CentralitySim"}, "book (1) or do not book (0) this QA 2D event histogram"};
   Configurable<bool> cfFillQAParticleHistograms2D{"cfFillQAParticleHistograms2D", false, "if false, all QA 2D particle histograms are not filled. if true, only the ones for which fBookQAParticleHistograms2D[...] is true, are filled"};
   Configurable<std::vector<std::string>> cfBookQAParticleHistograms2D{"cfBookQAParticleHistograms2D", {"1-Pt_vs_dcaXY"}, "book (1) or do not book (0) this QA 2D particle histogram"};
   Configurable<bool> cfFillQAParticleEventHistograms2D{"cfFillQAParticleEventHistograms2D", false, "if false, all QA 2D particle event histograms are not filled. if true, only the ones for which fBookQAParticleEventHistograms2D[...] is true, are filled"};

PWGCF/MultiparticleCorrelations/Core/MuPa-DataMembers.h

@@ -90,13 +90,15 @@ struct EventByEventQuantities {
                                       // Use configurable cfMultiplicityEstimator[eMultiplicityEstimator] to define what is this multiplicity, by default it is "SelectedTracks"
   float fReferenceMultiplicity = 0.;  // reference multiplicity, calculated outside of my code. Can be "MultTPC", "MultFV0M", etc.
                                       // Use configurable cfReferenceMultiplicityEstimator[eReferenceMultiplicityEstimator]" to define what is this multiplicity, by default it is "TBI 20241123 I do not know yet which estimator is best for ref. mult."
-  float fCentrality = 0.;             // event-by-event centrality. Value of the default centrality estimator, set via configurable cfCentralityEstimator
+  float fCentrality = 0.;             // event-by-event centrality, in reconstructed data. Value of the default centrality estimator, set via configurable cfCentralityEstimator
+  float fCentralitySim = 0.;          // event-by-event centrality, in simulated data. Calculated directly from IP at the moment, eventually I will access it from o2::aod::hepmcheavyion::Centrality
   float fOccupancy = 0.;              // event-by-event occupancy. Value of the default occupancy estimator, set via configurable cfOccupancyEstimator.
                                       // Remebmer that collision with occupanct 0. shall NOT be rejected, therefore in configurable I set -0.0001 for low edge by default.
   float fInteractionRate = 0.;        // event-by-event interaction rate
   float fCurrentRunDuration = 0.;     // how many seconds after start of run this collision was taken, i.e. seconds after start of run (SOR)
   float fVz = 0.;                     // vertex z position
   float fFT0CAmplitudeOnFoundBC = 0.; // TBI20250331 finalize the comment here
+  float fImpactParameter = 0.;        // calculated only for simulated/generated data
 } ebye;                               // "ebye" is a common label for objects in this struct
 
 // *) QA:

PWGCF/MultiparticleCorrelations/Core/MuPa-Enums.h

@@ -56,6 +56,7 @@ enum eProcess {
   eProcessSim_Run1,    // Run 1, only simulated
   eProcessTest,        // minimum subscription to the tables, for testing purposes
   eProcessQA,          // maximum subscription to the tables, for QA purposes. Basically: eProcessRec + otherwise unnecessary tables
+  eProcessHepMChi,     // special subscription when I extract info from the table HepMCHeavyIons TBI 20250429 merge this case eventualyl with RecSim cases
   // Generic flags, calculated and set from individual flags above in DefaultConfiguration(), AFTER process switch was taken into account:
   eGenericRec,    // generic "Rec" case, eTest is treated for the time being as "Rec". eQA is also in this category
   eGenericRecSim, // generic "RecSim" case
@@ -384,6 +385,7 @@ enum eQAEventHistograms2D {
   // Unsorted category: TBI 20250331 not sure if I will keep these ones permanently:
   eMultiplicity_vs_FT0CAmplitudeOnFoundBC,
   eCentFT0C_vs_FT0CAmplitudeOnFoundBC,
+  eCentrality_vs_CentralitySim, // correlation between centrality determined from reconstructed data, and centrality determined at generated level (from IP). I save it as [eSim], not as [eRec]
   // ...
   eQAEventHistograms2D_N
 };