set_default Last update: 16.07.2025 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.