= {
" ",
"Usage: bphase [options] file1.img file2.img outfile.img",
"-------------------------------------------------------",
"Calculates the phase difference between two images.",
" ",
"Actions:",
"-sum Calculate the phase angle sum rather than the difference.",
"-cosine Calculate the cosine of the phase angle difference.",
"-amplitude Weigh the phase difference with the amplitude product.",
"-center Center phase difference map and output it.",
"-flip Flip phases based on phase difference map and modify second image.",
" ",
"Parameters:",
"-verbose 7 Verbosity of output.",
"-datatype short Force writing of a new data type (default float).",
"-origin 0.8,-10,15.7 Set the origin of both images (default from input images).",
"-resolution 4.5,130 Resolution (default 0 - 10000 angstrom).",
" ",
NULL
}