Hi Hailiang,
m is typically determined per resolution bin using test reflections and
it can range from 0 to 1, so the difference between corresponding mFo
and Fo can range accordingly.
You can read more on this, for example:
Acta Cryst. A42 (1986) 140-149.
Acta Cryst. (1995). A51, 880-887.
J. Appl. Cryst. (1996). 29, 741-744.
and numerous references therein.
Pavel.
On 8/31/10 10:15 AM, Hailiang Zhang wrote:
Hi,
I want to see how the mFo maps (NOT 2mFo-DFc) compare against Fo maps. In
the SIGMAA documentation, it says WCMB is the figure of merit; however, I
opened in coot with "FP PHIC WCMB" combination, and for lots of systems, I
didn't see too much difference against "FP PHIC" maps. Is the difference
between mFo and Fo maps supposed to be very small?
Best Regards, Hailiang
