class_docstr: Centers and normalizes node positions to the interval :math:`(-1, 1)`
  (functional name: :obj:`normalize_scale`).
code: def __init__(self) -> None:
      self.center = Center()
  
imports: from torch_geometric.data import Data
  from torch_geometric.data.datapipes import functional_transform
  from torch_geometric.transforms import BaseTransform, Center
label_desc: Use image node_id 1 to create a new NormalizeScale object from inherited base classes: BaseTransform with example: obj = NormalizeScale()