Method ReadHyperTreeGridMetaInfo

IO/HDF/vtkHDFReaderImplementation.cxx:1214–1258

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//------------------------------------------------------------------------------
bool vtkHDFReader::Implementation::ReadHyperTreeGridMetaInfo(vtkHyperTreeGrid* htg)
{
  // Read general info about this HTG
  int branchFactor = 0;
  if (!this->GetAttribute("BranchFactor", 1, &branchFactor))
  {
    vtkErrorWithObjectMacro(this->Reader, << "Cannot find BranchFactor attribute");
    return false;
  }
  htg->SetBranchFactor(branchFactor);

  // Read TransposedRootIndexing attribute
  int transposedRootIndexing = 0;
  if (H5Aexists(this->VTKGroup, "TransposedRootIndexing") > 0)
  {
    this->GetAttribute("TransposedRootIndexing", 1, &transposedRootIndexing);
  }
  htg->SetTransposedRootIndexing(transposedRootIndexing != 0);

  // Read Interface attributes if they exist
  bool hasInterfaceIntercepts = H5Aexists(this->VTKGroup, "InterfaceInterceptsName") > 0;
  bool hasInterfaceNormals = H5Aexists(this->VTKGroup, "InterfaceNormalsName") > 0;
  if (hasInterfaceIntercepts)
  {
    std::string interfaceInterceptsName;
    vtkHDFUtilities::GetStringAttribute(
      this->VTKGroup, "InterfaceInterceptsName", interfaceInterceptsName);
    htg->SetInterfaceInterceptsName(interfaceInterceptsName.c_str());
  }

  if (hasInterfaceNormals)
  {
    std::string interfaceNormalsName;
    vtkHDFUtilities::GetStringAttribute(
      this->VTKGroup, "InterfaceNormalsName", interfaceNormalsName);
    htg->SetInterfaceNormalsName(interfaceNormalsName.c_str());
  }

  if (hasInterfaceIntercepts && hasInterfaceNormals)
  {
    htg->SetHasInterface(true);
  }

  return true;
}

//------------------------------------------------------------------------------
bool vtkHDFReader::Implementation::ReadHyperTreeGridDimensions(vtkHyperTreeGrid* htg)