Program sfpwcoh | Coherency by plane-wave construction. 
[SYNOPSIS]
sfpwcoh < in.rsf > out.rsf dip=dip.rsf a2=a2.rsf b2=b2.rsf verb=n eps=0.01 rect=2 order=1
[PARAMETERS]
file    | a2 | = |   | 	auxiliary output file name
file    | b2 | = |   | 	auxiliary output file name
file    | dip | = |   | 	auxiliary input file name
float   | eps | =0.01 |   | 	regularization 
int     | order | =1 |   | 	accuracy order 
int     | rect | =2 |   | 	spread 
bool    | verb | =n |  [y/n] | 	
[DIRECTORY]
user/pwd
