Program sfshotconstkirch | Prestack shot-profile Kirchhoff migration in constant velocity. 
[SYNOPSIS]
sfshotconstkirch < inp.rsf > out.rsf aal=y nx=ns dx=ds x0=s0 offset=n vel=
[COMMENTS]

Requires the input to be in (time,offset,shot)

[PARAMETERS]
bool    | aal | =y |  [y/n] | 	if y, apply antialiasing 
float   | dx | =ds |   | 	
int     | nx | =ns |   | 	
bool    | offset | =n |  [y/n] | 	if y, the output is in offset 
float   | vel | = |   | 	velocity 
float   | x0 | =s0 |   | 	
[DIRECTORY]
system/seismic
