sfffdtti2 (2.0-git)
index
user/songxl/Mffdtti2.c
2-D Fourier finite-difference wave extrapolation

 
Synopsis
        sfffdtti2 > out.rsf velx=velx.rsf velz=velz.rsf yita=yita.rsf < source.rsf seta=seta.rsf opt=y dt= nt= isx= isz=0 err=0.0001 alpha=-0.7 nbt=126 nbb=126 nbl=128 nbr=128 ct=0.002 cb=0.002 cl=0.002 cr=0.002 pad1=1 cmplx=y cmplx=y cmplx=n

 
Parameters
       
 
float alpha=-0.7

 
float cb=0.002
decaying parameter
 
float cl=0.002
decaying parameter
 
bool cmplx=n [y/n]
use complex FFT
 
float cr=0.002
decaying parameter
 
float ct=0.002
decaying parameter
 
float dt=

 
float err=0.0001

 
int isx=

 
int isz=0

 
int nbb=126

 
int nbl=128

 
int nbr=128

 
int nbt=126

 
int nt=

 
bool opt=y [y/n]
if y, determine optimal size for efficiency
 
int pad1=1
padding factor on the first axis
 
file seta=
auxiliary input file name
 
file velx=
auxiliary input file name
 
file velz=
auxiliary input file name
 
file yita=
auxiliary input file name