def METHOD_NAME(self):
    """
    Get coordinates for a 2D representation of the input structure.
    Returns
    -------
    coordinates : ndarray, shape=(n,2)
        The 2D coordinates. Each row represents the *x* and *y*
        coordinates for a total sequence length of *n*.
    Examples
    --------
    >>> app = RNAplotApp('((..))')
    >>> app.start()
    >>> app.join()
    >>> print(app.get_coordinates())
    [[ -92.50   92.50]
     [ -92.50   77.50]
     [ -90.31   58.24]
     [-109.69   58.24]
     [-107.50   77.50]
     [-107.50   92.50]]
    """
    return self._coordinates