code: def zoom(self: DcmDataset, ratio):
      "Zoom image by specified ratio"
      with warnings.catch_warnings():
          warnings.simplefilter("ignore", UserWarning)
          self.set_pixels(ndimage.zoom(self.pixel_array, ratio))
  
imports: from __future__ import annotations
  from ..basics import *
  from ..vision.all import *
  from ..data.transforms import *
  import pydicom, kornia, skimage
  from pydicom.dataset import Dataset
  from pydicom.tag import BaseTag
  from pydicom.multival import MultiValue
  from PIL import Image
label_desc: Use image node_id 32 for calling a global function with example usage: zoom(ratio) without return types