Program sfpsti2d | Modeling of pure acoustic wave in 2-D transversely isotropic meida using psuedospectral method 
[SYNOPSIS]
sfpsti2d > out.rsf vel=vel.rsf sigma=fsigma.rsf delta=fdelta.rsf seta=fseta.rsf < source.rsf opt=1 dt= nt= isx= isz= nbt=44 nbb=44 nxl=44 nxr=44 czt=0.01 czb=0.01 cxl=0.01 cxr=0.01 snap=1
[PARAMETERS]
float   | cxl | =0.01 |   | 	decaying parameter
float   | cxr | =0.01 |   | 	decaying parameter
float   | czb | =0.01 |   | 	decaying parameter
float   | czt | =0.01 |   | 	decaying parameter
file    | delta | = |   | 	auxiliary input file name
float   | dt | = |   | 	
int     | isx | = |   | 	
int     | isz | = |   | 	
int     | nbb | =44 |   | 	
int     | nbt | =44 |   | 	
int     | nt | = |   | 	
int     | nxl | =44 |   | 	
int     | nxr | =44 |   | 	assume ABC pars are the same 
int     | opt | =1 |   | 	if y, determine optimal size for efficiency 
file    | seta | = |   | 	auxiliary input file name
file    | sigma | = |   | 	auxiliary input file name
int     | snap | =1 |   | 	
file    | vel | = |   | 	auxiliary input file name
[DIRECTORY]
user/junyan
