Synopsis
		sfpostfilter2 < in.rsf > out.rsf nw= vert=y horz=y

Parameters
		bool horz=y [y/n] include filter on the second axis   int nw= filter size   bool vert=y [y/n] include filter on the first axis

Used In
		SEP          bspl/sei3d bspl/bintest bspl/plane3 precon/cube