pvtend.overturn_x_intervals

pvtend.overturn_x_intervals(xline: ndarray, yline: ndarray, n_meridians: int = 200, min_cross: int = 3) → list[tuple[float, float]]

Find x-intervals where contour is overturning (folded).

Parameters:

• xline – Contour coordinates.

• yline – Contour coordinates.

• n_meridians – Number of meridians to probe.

• min_cross – Minimum crossings to flag overturning.

Returns:

List of (x_start, x_end) intervals.