Synopsis
		sfcanisolr2 < velz.rsf vels=vels.rsf fft=fft.rsf left=left.rsf > right.rsf mode=0 seed=time(NULL eps=1.e-4 npk=20 dt= os=true sub=false sub=true taper=1.0 approx=2 relation=3

Parameters
		approx=2 Type of approximation (0=exact 1=zone 2=acoustic)   dt= time step   eps=1.e-4 tolerance   file fft= auxiliary input file name   file left= auxiliary output file name   mode=0 wave mode (0=p wave, 1=Sv wave)   npk=20 maximum rank   os=true   relation=3 Type of q relationship (0=shale, 1=sand, 2=carbonate, default being smallest error)   seed=time(NULL   sub=true for twostep, default true   taper=1.0 wavenumber tapering flag   file vels= auxiliary input file name