BOXX=real
BOXY=real
BOXZ=real END defines x,y,z
dimensions of a rectangular box for periodic boundary conditions
(default: no periodic boundary conditions).
ORIGin=vector
provides the origin of a sphere (default: (0 0 0)).
OUTPut=filename
writes results to the specified file
(default: OUTPUT).
RADIus=real
provides the radius of a sphere (default: 0).
RGRId=real
calculates an equal-volume profile in
steps of RGRId (default: 2).