= {
" ",
"Usage: balign [options] input*.img",
"----------------------------------",
"Aligning images to each other.",
"Micrograph mode (option -micrographs):",
"The second input image is aligned to the first, transformed and output.",
"(Note: This program is intended to align very large micrograph images).",
" ",
"Actions:",
"-add Add input images after transforming the second.",
"-filterextremes Filter micrograph extremes before aligning.",
" ",
"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; a single value can be given).",
"-tile 1024,1024,5 Size of tiles for correlation (default 512,512,1).",
"-resolution 30,500 High and low resolution limits for cross-correlation (default 0.1,1000).",
"-maxshift 55 Maximum allowed shift (default 1/4 of tile).",
" ",
"Output:",
"-output sum.mrc Output sum of the transformed images.",
" ",
NULL
}