DQMTTreeIO::DQMMergeHelper Class Reference

Static Public Member Functions
static bool	CheckBinLabels (const TAxis *a1, const TAxis *a2)
static void	mergeTogether (TH1 *original, TH1 *toAdd)

Detailed Description

Definition at line 61 of file DQMRootSource.cc.

Member Function Documentation

CheckBinLabels()

static bool DQMTTreeIO::DQMMergeHelper::CheckBinLabels ( const TAxis *  a1, const TAxis *  a2  )

inlinestatic

Definition at line 65 of file DQMRootSource.cc.

References testProducerWithPsetDescEmpty_cfi::a2, mps_fire::i, HLT_2022v15_cff::label1, and HLT_2022v15_cff::label2.

Referenced by mergeTogether().

                                                                 {
      // Check that axis have same labels
      THashList* l1 = (const_cast<TAxis*>(a1))->GetLabels();
      THashList* l2 = (const_cast<TAxis*>(a2))->GetLabels();

      if (!l1 && !l2)
        return true;
      if (!l1 || !l2) {
        return false;
      }

      // Check now labels sizes  are the same
      if (l1->GetSize() != l2->GetSize()) {
        return false;
      }

      for (int i = 1; i <= a1->GetNbins(); ++i) {
        std::string_view label1 = a1->GetBinLabel(i);
        std::string_view label2 = a2->GetBinLabel(i);
        if (label1 != label2) {
          return false;
        }
      }

      return true;
    }

mergeTogether()

static void DQMTTreeIO::DQMMergeHelper::mergeTogether ( TH1 *  original, TH1 *  toAdd  )

inlinestatic

Definition at line 93 of file DQMRootSource.cc.

References CheckBinLabels(), definitions::original, and HLT_2022v15_cff::toAdd.

Referenced by DQMTTreeIO::TreeObjectReader< T >::read().

                                                         {
      if (original->CanExtendAllAxes() && toAdd->CanExtendAllAxes()) {
        TList list;
        list.Add(toAdd);
        if (original->Merge(&list) == -1) {
          edm::LogError("MergeFailure") << "Failed to merge DQM element " << original->GetName();
        }
      } else {
        // TODO: Redo. This is both more strict than what ROOT checks for yet
        // allows cases where ROOT fails with merging.
        if (original->GetNbinsX() == toAdd->GetNbinsX() &&
            original->GetXaxis()->GetXmin() == toAdd->GetXaxis()->GetXmin() &&
            original->GetXaxis()->GetXmax() == toAdd->GetXaxis()->GetXmax() &&
            original->GetNbinsY() == toAdd->GetNbinsY() &&
            original->GetYaxis()->GetXmin() == toAdd->GetYaxis()->GetXmin() &&
            original->GetYaxis()->GetXmax() == toAdd->GetYaxis()->GetXmax() &&
            original->GetNbinsZ() == toAdd->GetNbinsZ() &&
            original->GetZaxis()->GetXmin() == toAdd->GetZaxis()->GetXmin() &&
            original->GetZaxis()->GetXmax() == toAdd->GetZaxis()->GetXmax() &&
            CheckBinLabels(original->GetXaxis(), toAdd->GetXaxis()) &&
            CheckBinLabels(original->GetYaxis(), toAdd->GetYaxis()) &&
            CheckBinLabels(original->GetZaxis(), toAdd->GetZaxis())) {
          original->Add(toAdd);
        } else {
          edm::LogError("MergeFailure") << "Found histograms with different axis limits or different labels '"
                                        << original->GetName() << "' not merged.";
        }
      }
    }