Program sffxspfint2 | 2D missing data interpolation using f-x streaming prediction filter. 
[SYNOPSIS]
sffxspfint2 < inp.rsf > out.rsf mask=msk.rsf verb=n ftype=1 lambda1= na=
[PARAMETERS]
int     | ftype | =1 |   | 	default = 1,
       1 : causal filter design
       2 : noncausal filter design 
float   | lambda1 | = |   | 	lambda1.r 
file    | mask | = |   | 	auxiliary input file name
int     | na | = |   | 	
bool    | verb | =n |  [y/n] | 	default=false, verbosity flag 
[DIRECTORY]
user/yliu
