[phenixbb] Average maps (*not* NCS averaging)

[Stephen Graham]

> Yes, I even pointed you to the relevant menu entries. I've previously
> used this to average maps from crystals in two different space groups.

Ah - so there is!  My bad.

This is the perfect quick-and-dirty solution I was looking for...it
even gives some (subjectively) slightly more interpretable density.
Now off to tackle this bad loop...

Thanks,

Stephen

-- 
Dr Stephen Graham
1851 Research Fellow
Cambridge Institute for Medical Research
Wellcome Trust/MRC Building
Addenbrooke's Hospital, Hills Road
Cambridge, CB2 0XY, UK
Phone: +44 1223 762 638