Method GenerateFileId

IO/IOSS/vtkIOSSReaderInternal.cxx:2355–2395

}

bool vtkIOSSReaderInternal::GenerateFileId(vtkDataSetAttributes* cellData, vtkIdType numberOfCells,
  Ioss::GroupingEntity* group_entity, const DatabaseHandle& handle)
{
  if (!group_entity)
  {
    return false;
  }

  auto& cache = this->Cache;
  if (auto file_ids = vtkDataArray::SafeDownCast(cache.Find(group_entity, "__vtk_file_ids__")))
  {
    assert(numberOfCells == file_ids->GetNumberOfTuples());
    cellData->AddArray(file_ids);
    return true;
  }

  vtkNew<vtkIntArray> file_ids;
  file_ids->SetName("file_id");
  file_ids->SetNumberOfTuples(numberOfCells);

  int fileId = handle.second;

  // from index get original file rank number, if possible and use that.
  try
  {
    const auto& dbaseInfo = this->DatabaseNames.at(handle.first);
    if (dbaseInfo.ProcessCount != 0)
    {
      assert(fileId >= 0 && fileId < static_cast<decltype(fileId)>(dbaseInfo.Ranks.size()));
      fileId = *std::next(dbaseInfo.Ranks.begin(), fileId);
    }
  }
  catch (std::out_of_range&)
  {
  }

  std::fill(file_ids->GetPointer(0), file_ids->GetPointer(0) + numberOfCells, fileId);
  cache.Insert(group_entity, "__vtk_file_ids__", file_ids.GetPointer());
  cellData->AddArray(file_ids);
  return true;
}

vtkSmartPointer<vtkAbstractArray> vtkIOSSReaderInternal::ConvertFieldForVTK(vtkAbstractArray* array)
{