code: def on_draw(e):
      gloo.clear("white")
      polys.draw()
      paths.draw()
  
imports: from vispy import app, gloo
  from vispy.util import load_data_file
  from vispy.util.svg import Document
  from vispy.visuals.collections import PathCollection, PolygonCollection
  from vispy.visuals.transforms import PanZoomTransform
label_desc: Use image node_id 1 for calling a global function with example usage: on_draw(e) without return types