Synopsis
		sffcoh2 < in.rsf > out.rsf idip=idip.rsf ntw=5 nxw=5 twod=y verb=y min1=-2 max1=2 min2=-2 max2=2

Parameters
		string idip= inline dip (auxiliary output file name)   int max1=2 inline slope   int max2=2 xline slope   int min1=-2   int min2=-2   int ntw=5 half window size for time direction   int nxw=5 half window size for x2   bool twod=y [y/n] y: only twod coherence   bool verb=y [y/n] verbosity