def remove_zero_normals(self):
        """Removes normal vectors with a zero magnitude.

        Note
        ----
        This returns nothing and updates the NormalCloud in-place.
        """
        points_of_interest = np.where(np.linalg.norm(self._data, axis=0) != 0.0)[0]
        self._data = self._data[:, points_of_interest]