Program sfxlagtoang2d | SS(x-lag) to angle transformation (PP or PS waves) 
[SYNOPSIS]
sfxlagtoang2d < Fstk.rsf > Fang.rsf vpvs=Fgam.rsf dip=Fdip.rsf verb=n inv=n na=sf_n(axs) da=1./(sf_n(axs)-1) oa=0. extend=4
[PARAMETERS]
float   | da | =1./(sf_n(axs)-1) |   | 	
file    | dip | = |   | 	auxiliary input file name
int     | extend | =4 |   | 	tmp extension 
bool    | inv | =n |  [y/n] | 	inverse transformation flag 
int     | na | =sf_n(axs) |   | 	
float   | oa | =0. |   | 	
bool    | verb | =n |  [y/n] | 	verbosity flag 
file    | vpvs | = |   | 	auxiliary input file name
[DIRECTORY]
system/seismic
