Synopsis
		sffocus < in.rsf > out.rsf dim= niter=100 rect1=1 rect2=1 ...

rectN defines the size of the smoothing stencil in N-th dimension.

Parameters
		int dim= dimensionality   int niter=100 number of iterations

Used In
		JSG          diffr/gom diffr/fault   SEP          vc2/beivc