Description: Creates a PMC material group in the current module. If a PMC group 'label' already exists, the group is activated.
====dielectric_group({{ArgTypeString}} label, {{ArgStringAnyArgTypeAny}} eps, {{ArgTypeAny}} sigma, {{ArgTypeAny}} mu, {{ArgTypeAny}} rho)====
''Example:dielectric_group("Dielectric_1","my_eps",0,1,0)''
Description: Creates a Color group in [[CubeCAD]] module. If a Color group 'label' already exists, the group is activated.
====penetrable_group({{ArgTypeString}} label, {{ArgStringAnyArgTypeAny}} eps, {{ArgTypeAny}} sigma, {{ArgTypeAny}} thickness)====
''Example:penetrable_group("Impenet_1",2.2,.0001, 1)''