= {
" ",
"Usage: bampweigh [options] input.img output.img",
"-----------------------------------------------",
"Weighs the amplitudes of a map using a reference map's amplitudes.",
" ",
"Actions:",
"-invert Invert density in the image.",
"-rescale -0.1,5.2 Rescale data to average and standard deviation after filtering.",
"-dose 2.5 Weigh the amplitudes by accumulated dose using the given dose/frame (e/Å2).",
"-normalize 2 Normalize amplitudes (1:amplitude; 2:power).",
"-root Weigh by the square root of the amplitudes.",
"-square Weigh by the squares of the amplitudes.",
" ",
"Parameters:",
"-verbose 7 Verbosity of output.",
"-datatype u Force writing of a new data type.",
"-sampling 1.5,1.5,1.5 Sampling (A/pixel; default from input file; a single value can be given).",
"-resolution 15 Resolution limit (angstrom)",
" ",
"Input:",
"-RPS file.txt Radial power spectrum.",
"-FSC file.xml FSC curve.",
"-Reference file.map Reference map.",
"-Mask mask.tif Mask file to exclude regions in reciprocal space.",
"-mask mask.mrc Real space mask to apply before weighing.",
" ",
NULL
}