Synopsis
		sfcfftwave2nsps < Fw.rsf > Fo.rsf ref=Fr.rsf left=left.rsf right=right.rsf verb=n cmplx=y pad1=1

Parameters
		bool cmplx=y [y/n] outputs complex wavefield   file left= auxiliary input file name   int pad1=1 padding factor on the first axis   file ref= auxiliary input file name   file right= auxiliary input file name   bool verb=n [y/n] verbosity