Parameters

initial_data_setup_method	Scope: restricted		KEYWORD
Description: Procedure for setting up initial data
Range			Default: init_some_levels
init_some_levels	Set up at least one time level; other time levels are scratch space
init_single_level	Set up exactly one time level; other time levels are not accessed
init_two_levels	Set up exactly two time levels; other time levels are not accessed
init_all_levels	Set up all active time levels