code: def __init__(self, cx=0, cy=0, rx=1, ry=1):
      self.cx = cx
      self.cy = cy
      self.rx = rx
      self.ry = ry
  
file_path: vispy/vispy/util/svg/shapes.py
label_desc: Use image node_id 1 to create a new Ellipse object from inherited base classes: object with example: obj = Ellipse(cx, cy, rx, ry)