Program sfmiss3 | Missing data interpolation (N-dimensional) using shaping regularization. 
[SYNOPSIS]
sfmiss3 < in.rsf > out.rsf mask=mask.rsf niter=100 force=y
[PARAMETERS]
bool    | force | =y |  [y/n] | 	if y, keep known values 
string  | mask | = |   | 	optional input mask file for known data (auxiliary input file name)
int     | niter | =100 |   | 	Number of iterations 
[DIRECTORY]
user/fomels
