= {
" ",
"Usage: bradsec [options] input.img output.img",
"---------------------------------------------",
"Generates symmetry-adjusted radial sections from 3D images.",
"The symmetry for O must be either O-3 or O-4.",
"The symmetry for I must be either I-3 or I-5.",
" ",
"Parameters:",
"-verbose 7 Verbosity of output.",
"-datatype u Force writing of a new data type.",
"-sampling 1.5,1.5,1.5 Sampling (default from image; a single value can be given).",
"-origin 0,-10,30 Set the origin for radial profile (default image origin).",
"-radii 14,123,2.68 Start, end and step size for radial shell calculation (default from input).",
"-symmetry C5 Point group symmetry.",
"-fraction 0.3 Spherical fraction (1=spherical shells, 0=symmetry-related shells).",
"-fill 127 Fill value for excluded region: average (default), background, or value.",
" ",
"Output:",
"-Postscript radsec.ps Symmetry-adjusted profile.",
" ",
NULL
}