code: def __init__(self):
      super().__init__(sparse=True)
  
imports: import ivy
  from ivy.functional.frontends.numpy.func_wrapper import outputs_to_frontend_arrays, to_ivy_arrays_and_back, handle_numpy_dtype
label_desc: Use image node_id 1 to create a new OGrid object from inherited base classes: nd_grid with example: obj = OGrid()