core.py 文件源码

def _sort_contours(self, index, times, freqs, salience):
        """Sort contours by index and time.

        Parameters
        ----------
        index : np.array
            array of contour numbers
        times : np.array
            array of contour times
        freqs : np.array
            array of contour frequencies
        salience : np.array
            array of contour salience values

        Returns
        -------
        index_sorted : np.array
            Pruned array of contour numbers
        times_sorted : np.array
            Pruned array of contour times
        freqs_sorted : np.array
            Pruned array of contour frequencies
        salience_sorted : np.array
            Pruned array of contour salience values

        """
        sort_idx = np.lexsort((times, index))

        return (
            index[sort_idx], times[sort_idx], freqs[sort_idx],
            salience[sort_idx]
        )


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