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