code: def set_transform(self, offset, scale):
      self.offset = offset
      self.scale = scale
      self.program["offset"] = self.offset
      self.program["scale"] = self.scale
  
imports: from __future__ import division
  import numpy
  from vispy import gloo, app, scene, visuals
  from vispy.util.profiler import Profiler
label_desc: Use image node_id 2 for calling the Line obj's underlying member method code with example usage: obj.set_transform(offset, scale) without return types