Program sfbeamspray | 2-D beam spraying. 
[SYNOPSIS]
sfbeamspray < in.rsf dip=dip.rsf cur=cur.rsf > out.rsf rect=3 eps=1.0
[PARAMETERS]
file    | cur | = |   | 	auxiliary input file name
file    | dip | = |   | 	auxiliary input file name
float   | eps | =1.0 |   | 	experimental 
int     | rect | =3 |   | 	smoothing radius 
[DIRECTORY]
system/seismic
