Kevin
Does this give the correlation between two (weighted) complex Fs,
which is arguably (ref Bricogne) the best measure, as it corresponds
to the map correlation but as a function of resolution?
Phil
On 28 Aug 2007, at 17:22, Kevin Cowtan wrote:
> Yup. cphasematch
>
> It gives unweighted and weighted mean phase errors and F and E
> correlations. It'll also try the opposite hand if appropriate.
>
> It's in the GUI under Clipper utilities.
>
> For an example script, run it in the GUI and then view the command
> file.
>
> Kevin
>
> Winter, G (Graeme) wrote:
>> Hi CCP4BB,
>> Is there a straightforward way to compute the mean phase
>> difference between two phase columns in an MTZ file, allowing for
>> the difference in the origin? I am thinking something like:
>> Cad together two reflection files - renaming the PHIB column, most
>> likely
>> Compute phi offset - apply to get the origins the same
>> Compute the r.m.s. phase difference in degrees etc.
>> Also - is there a general feeling as to how useful this is for
>> comparing the results of phasing between different packages? I was
>> thinking that PHI_ref could be computed fom the final refined
>> structure, if this is available, as a benchmark. Alternatively is
>> there a "correct" way to be doing things like this?
>> An example script would be really great…
>> Thanks,
>> Graeme
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