Program sfpfactor2 | Plane prediction filter on a helix. 
[SYNOPSIS]
sfpfactor2 > filt.rsf nt= nx= p= q= niter=20 na=25 eps=FLT_EPSILON fixed=y lag=
[PARAMETERS]
float   | eps | =FLT_EPSILON |   | 	compression tolerance 
bool    | fixed | =y |  [y/n] | 	if fixed size 
string  | lag | = |   | 	
int     | na | =25 |   | 	filter size 
int     | niter | =20 |   | 	number of factorization iterations 
int     | nt | = |   | 	
int     | nx | = |   | 	
float   | p | = |   | 	
float   | q | = |   | 	
[DIRECTORY]
user/gee
