Program sfsemblance | Semblance over the specified axis. 
[SYNOPSIS]
sfsemblance < in.rsf > out.rsf weighted=n axis=2
[PARAMETERS]
int     | axis | =2 |   | 	which axis to stack 
bool    | weighted | =n |  [y/n] | 	if use weighted semblance 
[DIRECTORY]
user/fomels
