class_docstr: General object for handling the scale of the geometries used in a Feature.
code: def scale(self):
      return self._scale
  
imports: from abc import ABCMeta, abstractmethod
  import numpy
  import shapely.geometry
  import cartopy.crs
  import cartopy.io.shapereader
label_desc: Use image node_id 2 for calling the Scaler obj's underlying member method code with example usage: obj.scale() and returns: self