Method GetCellPoints

Common/DataModel/vtkPolyData.cxx:902–919

------------------------------------------------------------------------------ Copy a cells point ids into list provided. (Less efficient.)

//------------------------------------------------------------------------------
// Copy a cells point ids into list provided. (Less efficient.)
void vtkPolyData::GetCellPoints(vtkIdType cellId, vtkIdList* ptIds)
{
  if (this->Cells == nullptr)
  {
    this->BuildCells();
  }

  const TaggedCellId tag = this->Cells->GetTag(cellId);
  if (tag.IsDeleted())
  {
    ptIds->SetNumberOfIds(0);
  }
  else
  {
    auto cells = this->GetCellArrayInternal(tag);
    cells->GetCellAtId(tag.GetCellId(), ptIds);
  }
}

//------------------------------------------------------------------------------
void vtkPolyData::GetPointCells(vtkIdType ptId, vtkIdList* cellIds)