Function FillPartitionedDataSet

IO/CatalystConduit/vtkConduitToDataObject.cxx:394–635

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//----------------------------------------------------------------------------
bool FillPartitionedDataSet(vtkPartitionedDataSet* output, const conduit_cpp::Node& node)
{
#if !VTK_MODULE_ENABLE_VTK_AcceleratorsVTKmDataModel
  // conduit verify_shapes_node dereferences the shapes array to compare
  // values with the values in the shapes_map
  // if the shapes array is in device memory this test crashes
  // https://github.com/LLNL/conduit/issues/1404
  conduit_cpp::Node info;
  if (!conduit_cpp::BlueprintMesh::verify(node, info))
  {
    vtkLogF(ERROR, "Mesh blueprint verification failed!");
    return false;
  }
  vtkLogF(TRACE, "Mesh blueprint verified!");
#endif
  std::map<std::string, vtkSmartPointer<vtkDataSet>> datasets;

  // process "topologies".
  auto topologies = node["topologies"];

  for (conduit_index_t i = 0, nchildren = topologies.number_of_children(); i < nchildren; ++i)
  {
    auto child = topologies.child(i);
    try
    {
      if (auto ds = CreateMesh(child, node["coordsets"]))
      {
        auto idx = output->GetNumberOfPartitions();
        output->SetPartition(idx, ds);
        output->GetMetaData(idx)->Set(vtkCompositeDataSet::NAME(), child.name().c_str());
        datasets[child.name()] = ds;
      }
    }
    catch (std::exception& e)
    {
      vtkLogF(ERROR, "failed to process '../topologies/%s'.", child.name().c_str());
      vtkLogF(ERROR, "ERROR: \n%s\n", e.what());
      return false;
    }
  }

  // add field data at leaf level
  if (node.has_path("state/fields"))
  {
    for (const auto& dataset : datasets)
    {
      AddFieldData(dataset.second.Get(), node["state/fields"]);
    }
  }

  // process "fields"
  if (!node.has_path("fields"))
  {
    return true;
  }

  // read "state/metadata/vtk_fields"
  std::map<std::string, FieldMetadata> fieldMetadata;