Method ReadHyperTreeGridDimensions

IO/HDF/vtkHDFReaderImplementation.cxx:1261–1293

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//------------------------------------------------------------------------------
bool vtkHDFReader::Implementation::ReadHyperTreeGridDimensions(vtkHyperTreeGrid* htg)
{
  std::array<int, 3> dimensions;
  if (!this->GetAttribute("Dimensions", 1, dimensions.data()))
  {
    vtkErrorWithObjectMacro(this->Reader, << "Missing dimensions attribute");
    return false;
  }

  // Read coordinate arrays
  std::vector<hsize_t> coordinates_extent{ 0, static_cast<hsize_t>(dimensions[0]) };
  auto XCoordinates = vtk::TakeSmartPointer(
    vtkHDFUtilities::NewArrayForGroup(this->VTKGroup, "XCoordinates", coordinates_extent));
  coordinates_extent[1] = static_cast<hsize_t>(dimensions[1]);
  auto YCoordinates = vtk::TakeSmartPointer(
    vtkHDFUtilities::NewArrayForGroup(this->VTKGroup, "YCoordinates", coordinates_extent));
  coordinates_extent[1] = static_cast<hsize_t>(dimensions[2]);
  auto ZCoordinates = vtk::TakeSmartPointer(
    vtkHDFUtilities::NewArrayForGroup(this->VTKGroup, "ZCoordinates", coordinates_extent));

  if (!XCoordinates || !YCoordinates || !ZCoordinates)
  {
    vtkErrorWithObjectMacro(this->Reader, << "Missing coordinates array");
    return false;
  }

  htg->SetDimensions(dimensions.data());
  htg->SetXCoordinates(XCoordinates);
  htg->SetYCoordinates(YCoordinates);
  htg->SetZCoordinates(ZCoordinates);

  return true;
}

//------------------------------------------------------------------------------
bool vtkHDFReader::Implementation::CreateHyperTreeGridCellArrays(vtkHyperTreeGrid* htg,