Synopsis
		sfcostaper < in.rsf > out.rsf nw#=0

Parameters
		int nw#=0 tapering on #-th axis

Used In
		GEE          ajt/igrad1 hlx/helderiv hlx/helocut   GEO384W          hw5/hyper hw5/hyper2   GEO391          hw3/fourier   RSF          su/rsflab10 su/rsflab9   SEP          pyramid/model