Synopsis
		sfcfftwave2taper < Fw.rsf > Fo.rsf ref=Fr.rsf snaps=snaps.rsf left=left.rsf right=right.rsf verb=n cmplx=y os=y sub=n sub=y taper=0 thresh=0.92 snap=0 pad1=1

Parameters
		bool cmplx=y [y/n] outputs complex wavefield   file left= auxiliary input file name   bool os=y [y/n] one-step flag   int pad1=1 padding factor on the first axis   file ref= auxiliary input file name   file right= auxiliary input file name   int snap=0 interval for snapshots   file snaps= auxiliary output file name   bool sub=y [y/n] subtraction flag   int taper=0 tapering in the frequency domain   float thresh=0.92 tapering threshold   bool verb=n [y/n] verbosity