Why size_x and size_y is larger than 2?

[AnneBai10]

Hello~
I found that in the output of model, size_x and size y sometimes is larger than 2.But according to the code
'normalized_size_x = 2 * longside / midaxis_length
normalized_size_y = 2 * shortside / mean_block_width' in example_canonical_transform.py, the value should be in [0,2].
Could you please tell me whether the meanings of normalized_size_x and size_x are the same？
I'm looking forward to receive your reply,thx.