set_default Last update: 29.04.2026 static PrismParams.set_default(stair_step=None, no_imprint_zonelets=None) Set the default values of the PrismParams object. Parameters: stair_step: PrismStairStep, optional Prism stairstep parameters. no_imprint_zonelets: Iterable[int], optional Option to specify zonelets to skip prism imprint.