CADETProcess.plotting.add_fill_regions# CADETProcess.plotting.add_fill_regions(ax: Axes, fill_regions: list[FillRegion], x_lim: Buffer | _SupportsArray[dtype[Any]] | _NestedSequence[_SupportsArray[dtype[Any]]] | complex | bytes | str | _NestedSequence[complex | bytes | str] | None = None) → None[source]# Add FillRegion to axes.