It calls polymake to make several construction for polytopes. [action data_in_polymake_tfb_format] doPolymake [result_in_tfb result_in_tree errors] polymake, polymake2tfb, ox_k0 must be installed. cf. @@@polymake.k0.ccc Example: [(FACETS) (polymake.data(polymake.POINTS([[1,0,0],[1,1,0],[1,0,1],[1,1,1]])))] doPolymake /rr set