Synopsis
		sfplanemis2 < in.rsf > out.rsf dip=dip.rsf mask=mask.rsf niter=100 order=1 nj1=1 nj2=1 drift=n prec=n verb=n

Parameters
		file dip= auxiliary input file name   bool drift=n [y/n] if shift filter   string mask= auxiliary input file name   int niter=100 number of iterations   int nj1=1 antialiasing for first dip   int nj2=1 antialiasing for second dip   int order=1 accuracy order   bool prec=n [y/n] if y, apply preconditioning   bool verb=n [y/n] verbosity flag