Synopsis
		sflpad < in.rsf > out.rsf mask=mask.rsf jump=2

Each initial trace is followed by I zero traces, the same for planes.

Parameters
		int jump=2 aliasing   file mask= auxiliary output file name

Used In
		GEE          lal/lace   JSG          apefint/alias apefint/misscurv apefint/ray apefint/sean   SEP          pwd/alias pwd/sean