MAPSOLENOID

A numerically-integrated solenoid specified as a map of (Bz, Br) vs (z, r).

Parameter Name	Units	Type	Default	Description
L	$M$	double	0.0	length
DX	$M$	double	0.0	misalignment
DY	$M$	double	0.0	misalignment
N_STEPS		long	100	number of steps (for nonadaptive integration)
INPUTFILE		STRING	NULL	SDDS file containing (Br, Bz) vs (r, z). Each page should have values for a fixed r.
RCOLUMN		STRING	NULL	column containing r values
ZCOLUMN		STRING	NULL	column containing z values
BRCOLUMN		STRING	NULL	column containing Br values
BZCOLUMN		STRING	NULL	column containing Bz values
FACTOR		double	0.0001	factor by which to multiply fields
ACCURACY		double	0.0001	integration accuracy
METHOD		STRING	runge-kutta	integration method (runge-kutta, bulirsch-stoer, non-adaptive runge-kutta, modified midpoint)