Program sffactorn | Missing data interpolation with 3-D plane-wave filter. 
[SYNOPSIS]
sffactorn < in.rsf > out.rsf dip=dip.rsf mask=mask.rsf eps=0.001 nt= nx= npx=100 npy=100 niter=10 miter=10
[PARAMETERS]
file    | dip | = |   | 	auxiliary input file name
float   | eps | =0.001 |   | 	
file    | mask | = |   | 	auxiliary input file name
int     | miter | =10 |   | 	number of interpolation iterations 
int     | niter | =10 |   | 	number of factorization iterations 
int     | npx | =100 |   | 	
int     | npy | =100 |   | 	
int     | nt | = |   | 	
int     | nx | = |   | 	
[DIRECTORY]
user/gee
