Program sfctscigadj | Correcting time-shift gathers and its adjoint 
[SYNOPSIS]
sfctscigadj < Ftg.rsf Fdertau=Fdertau.rsf > Fcg.rsf Fder0=Fder0.rsf velocity=Fvel.rsf adj=y dt=0.001 pad=100
[PARAMETERS]
file    | Fder0 | = |   | 	auxiliary output file name
file    | Fdertau | = |   | 	auxiliary input file name
bool    | adj | =y |  [y/n] | 	
float   | dt | =0.001 |   | 	
int     | pad | =100 |   | 	files 
file    | velocity | = |   | 	auxiliary input file name
[DIRECTORY]
user/zhiguang
