= {
" ",
"Usage: bdelta [options] in.star [in2.star ...]",
"----------------------------------------------",
"Generates and analyzes deltagraphs.",
"The creation options are mutually exclusive.",
" ",
"Actions:",
"-pentagonal Create a pentagonal deltagraph.",
"-hexagonal Create a hexagonal deltagraph.",
"-tube 8,3 Create a tubular deltagraph with the given lattice parameters.",
"-caps 2 Add 1 or 2 caps.",
"-dual Calculate the dual of a polyhedron.",
" ",
"Parameters:",
"-verbose 7 Verbosity of output.",
"-componentradius 0.5 Component display radius.",
"-linkradius 0.5 Link display radius.",
"-linklength 150 Link length (default 1).",
"-radius 3 Radius in integer units (default 1).",
"-height 5 Height in integer units (default 1).",
" ",
"Input:",
"-parameters param.star Input parameter file.",
" ",
"Output:",
"-output file.star Output model parameter file.",
" ",
NULL
}