def set_points(self, points):
if np.any(self._points != points):<EOL><INDENT>self._points = points<EOL>self.invalidate()<EOL><DEDENT>
Set the points of the bounding box directly from a numpy array
of the form: [[x0, y0], [x1, y1]].  No error checking is
performed, as this method is mainly for internal use.