Program sfisoimpulse | Impulse response for plane-wave migration in tilted coordinates 
[SYNOPSIS]
sfisoimpulse wave=wave.rsf t=0.8 ep=0.4 dl=0.2 vti=y
[PARAMETERS]
float   | dl | =0.2 |   | 	
float   | ep | =0.4 |   | 	
float   | t | =0.8 |   | 	
bool    | vti | =y |  [y/n] | 	
file    | wave | = |   | 	auxiliary output file name
[DIRECTORY]
user/guojian
