Program sfopwd2 | 2-D omnidirectional plane wave destruction. 
[SYNOPSIS]
sfopwd2 < in.rsf dip=ang.rsf > out.rsf order=1
[PARAMETERS]
file    | dip | = |   | 	auxiliary input file name
int     | order | =1 |   | 	accuracy 
[DIRECTORY]
user/pwd
