Program sfsint3 | Interpolation for sparse data in 3D, e.g., well logs 
[SYNOPSIS]
sfsint3 < in.rsf > out.rsf dip=dip.rsf mask=mask.rsf niter=100 order1=1 order2=1 ns1=1 ns2=1 eps=0.01
[PARAMETERS]
file    | dip | = |   | 	auxiliary input file name
float   | eps | =0.01 |   | 	regularization 
string  | mask | = |   | 	auxiliary input file name
int     | niter | =100 |   | 	number of iterations 
int     | ns1 | =1 |   | 	
int     | ns2 | =1 |   | 	smoothing radius 
int     | order1 | =1 |   | 	
int     | order2 | =1 |   | 	accuracy order 
[DIRECTORY]
user/chenyk
