class_docstr: Centers and normalizes node positions to the interval :math:`(-1, 1)`
  (functional name: :obj:`normalize_scale`).
code: def forward(self, data: Data) -> Data:
      data = self.center(data)
  
      assert data.pos is not None
      scale = (1.0 / data.pos.abs().max()) * 0.999999
      data.pos = data.pos * scale
  
      return data
  
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 2 for calling the NormalizeScale obj's underlying member method code with example usage: obj.forward(data) and returns: data