On Tue, 2011-07-26 at 09:51 -0400, zhang yu wrote: > I would like to have a close look at the reflections. for example, the > average I/sigma for reflections with h+k=2n+1 and reflections with h > +k=2n.
Once you have your reflections listed in a file having h,k,l,f,sigf as first five columns (e.g. scalepack output), this trivial one-liner will print even (h+k) reflections awk '{if(($1+$2)%2==0) print;}' foo.sca It's easy to get the reflections in text format out of an mtz file: mtzdmp foo.mtz -n -1 With that said, I suspect xtriage may be helpful in identifying pseudotranslational NCS, as well as good ole Patterson synthesis. Cheers, Ed. -- Oh, suddenly throwing a giraffe into a volcano to make water is crazy? Julian, King of Lemurs