Method ShallowCopy

Filters/ParallelStatistics/vtkGenerateStatistics.cxx:1342–1357

}

void vtkGenerateStatistics::ShallowCopy(vtkDataObject* out, vtkDataObject* in)
{
  // Our output is always composite:
  vtkCompositeDataSet* cdOut = vtkCompositeDataSet::SafeDownCast(out);
  // Use a different method to copy the input if the input is composite
  // so that leaf nodes are not simply references to the input data
  // (since we may modify them).
  if (auto cdIn = vtkCompositeDataSet::SafeDownCast(in))
  {
    cdOut->CompositeShallowCopy(cdIn);
  }
  else
  {
    out->ShallowCopy(in);
  }
}

void vtkGenerateStatistics::GenerateSubset(std::unordered_map<vtkIdType, vtkIdType>& subset,
  vtkIdType numberOfSamples, double trainingFraction, vtkUnsignedCharArray* ghostData,