Synopsis
		sfkhshot < Fin.rsf > Fout.rsf ttfile=Ftt.rsf verb=n theta=30. dtheta=theta/3 df=5. fmax=.5/d1 ntaper=11 tmin=3*d1 xs= nx=n2t ox=o2t dx=d2t nz=n1t oz=o1t dz=d1t

Parameters
		float df=5. anti-aliasing sampling   float dtheta=theta/3 taper zone   float dx=d2t   float dz=d1t checking dimensions   float fmax=.5/d1   int ntaper=11   int nx=n2t   int nz=n1t   float ox=o2t   float oz=o1t   float theta=30. maximum dip   float tmin=3*d1   file ttfile= auxiliary input file name   bool verb=n [y/n] verbosity flag   float xs= image parameters