HistogramFiller2DProfile.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/  
  
#ifndef AthenaMonitoringKernel_HistogramFiller_HistogramFiller2DProfile_h
#define AthenaMonitoringKernel_HistogramFiller_HistogramFiller2DProfile_h
 
#include "TProfile2D.h"
#include "boost/range/combine.hpp"
 
#include "HistogramFiller.h"
 
namespace Monitored {
  class HistogramFiller2DProfile : public HistogramFiller {
    public:
      HistogramFiller2DProfile(const HistogramDef& definition, std::shared_ptr<IHistogramProvider> provider)
        : HistogramFiller(definition, std::move(provider)) {}
 
 
      virtual unsigned fill( const HistogramFiller::VariablesPack& vars ) const override {
      if ( vars.size() != 3) {
        return 0;
      }
 
      if (vars.cut) {
        const size_t maskSize = vars.cut->size();
        // Abort if no cut entries or first (and only) entry is false
        if (maskSize == 0 || (maskSize == 1 && !vars.cut->get(0))) { return 0; }
      }
 
      // Accessor for cut mask in case one is defined
      auto cutMaskAccessor = [&](size_t i) { return static_cast<bool>(vars.cut->get(i)); };
 
      if (vars.weight) {
        // Weighted fill
        auto weightAccessor = [&](size_t i){ return vars.weight->get(i); };
        const size_t size0 = vars[0]->size();
        const size_t size1 = vars[1]->size();
        const size_t size2 = vars[2]->size();
        const size_t sizeWeight = vars.weight->size();
        if (ATH_UNLIKELY(size0 > 1 && size1 > 1 && size2 > 1 &&
                         sizeWeight > 1 && size0 != sizeWeight)) {
            MsgStream log(Athena::getMessageSvc(), "HistogramFiller2DProfile");
            log << MSG::ERROR << "Weight does not match the size of plotted variable: "
                << vars.weight->size() << " " << size0 << endmsg;
            return 0;
        }
        // Need to fill here while weightVector is still in scope
        if (not vars.cut) return HistogramFiller::fill<TProfile2D>(weightAccessor, detail::noCut, *vars[0], *vars[1], *vars[2]);
        else              return HistogramFiller::fill<TProfile2D>(weightAccessor, cutMaskAccessor, *vars[0], *vars[1], *vars[2]);
      } 
      // Unweighted fill
      if (not vars.cut) return HistogramFiller::fill<TProfile2D>(detail::noWeight, detail::noCut, *vars[0], *vars[1], *vars[2]);
      else              return HistogramFiller::fill<TProfile2D>(detail::noWeight, cutMaskAccessor, *vars[0], *vars[1], *vars[2]);
    }
  };

    typedef HistogramFillerRebinableAxis<HistogramFiller2DProfile, Axis::X> HistogramFiller2DProfileRebinable;
 
}
 
#endif /* AthenaMonitoringKernel_HistogramFiller_HistogramFiller2DProfile_h */