Function ClonePointData

Parallel/DIY/vtkDIYGhostUtilities.cxx:3539–3570

----------------------------------------------------------------------------

//----------------------------------------------------------------------------
void ClonePointData(vtkPointSet* ps, vtkPointSet* clone, ::UnstructuredDataInformation& info)
{
  vtkPointData* clonePointData = clone->GetPointData();
  vtkPointData* psPointData = ps->GetPointData();
  clonePointData->CopyAllOn();
  clonePointData->CopyAllocate(psPointData, clone->GetNumberOfPoints());
  clonePointData->SetNumberOfTuples(clone->GetNumberOfPoints());

  if (vtkIdList* redirectionMap = info.OutputToInputPointIdRedirectionMap)
  {
    for (int arrayId = 0; arrayId < clonePointData->GetNumberOfArrays(); ++arrayId)
    {
      psPointData->GetAbstractArray(arrayId)->GetTuples(
        redirectionMap, clonePointData->GetAbstractArray(arrayId));
    }
  }
  else
  {
    for (int arrayId = 0; arrayId < clonePointData->GetNumberOfArrays(); ++arrayId)
    {
      vtkAbstractArray* sourceArray = psPointData->GetAbstractArray(arrayId);
      sourceArray->GetTuples(
        0, sourceArray->GetNumberOfTuples() - 1, clonePointData->GetAbstractArray(arrayId));
    }
  }
  // We need to initialize newly allocated ghosts to zero
  if (vtkUnsignedCharArray* ghostPoints = clonePointData->GetGhostArray())
  {
    auto ghostRange = vtk::DataArrayValueRange<1>(ghostPoints);
    std::fill(ghostRange.begin() + info.NumberOfInputPoints, ghostRange.end(), 0);
  }
}

//----------------------------------------------------------------------------
void ClonePoints(vtkPointSet* ps, vtkPointSet* clone, ::UnstructuredDataInformation& info)