= {
" ",
"Usage: emgrand [options] input.star [input.star]",
"------------------------------------------------",
"Randomizes particle parameters.",
" ",
"Actions:",
"-randomviews Replace views with random orientations.",
"-helical Replace views with random orientations for a helix.",
"-symmetry C5 Replace views with random symmetry-related orientations.",
"-origins 1.4 Introduce random errors into origins with this standard deviation (pixels).",
"-views 3.1 Introduce random errors into views with this standard deviation (degrees).",
"-defocus 0.3 Introduce random errors into defocus with this standard deviation (um).",
"-magnification 0.1 Introduce random errors into magnifications with this standard deviation (fraction).",
"-setasu C5 Set the views to the asymmetric unit (must agree with -symmetry if used).",
" ",
"Parameters:",
"-verbose 7 Verbosity of output.",
" ",
"Output:",
"-output file.star Output parameter file name.",
" ",
NULL
}