code: def on_draw(self, event):
      clear(color=True, depth=True)
      self.image.draw("triangle_strip")
      self.lines.draw("line_strip")
  
file_path: vispy/examples/demo/gloo/imshow_cuts.py
imports: import numpy
  from vispy import app
  from vispy.gloo import set_viewport, clear, set_state, Program
label_desc: Use image node_id 3 for calling the Canvas obj's underlying member method code with example usage: obj.on_draw(event) without return types