Specifies the fine mesh domain lengths in a multigrid focusing calculation (mg-para or mg-auto); this may be different in each direction. The syntax is

 fglen {xlen ylen zlen}

This should enclose the region of interest in the molecule. The arguments to this command are:

xlen ylen zlen

Grid lengths (floating point numbers) in the x-, y-, and z-directions in Å.

See also: cglen