Function UpdateGeometryIfRequired

IO/HDF/vtkHDFReader.cxx:187–215

 */
template <typename vtkDataObjT>
void UpdateGeometryIfRequired(vtkDataObjT* data, vtkCompositeDataSet* compositeData, bool useCache,
  bool meshGeometryChanged, vtkDataObjectMeshCache* meshCache)
{
  if (useCache)
  {
    if (!meshGeometryChanged)
    {
      if (compositeData)
      {
        meshCache->CopyCacheToDataObject(compositeData);
      }
      else
      {
        meshCache->CopyCacheToDataObject(data);
      }
    }
    else
    {
      if (compositeData)
      {
        meshCache->UpdateCache(compositeData);
      }
      else
      {
        meshCache->UpdateCache(data);
      }
    }
  }
}

}