Hello, mosflm will do that if you run it in the command line but I can't 
remember the commands, sorry. I have my 30+ YO notes somewhere though. The 
completeness will be relative to the asymmetric unit of reciprocal space rather 
than a full sphere of reflections.

Best wishes, Jon Cooper. [email protected]

Sent from [Proton Mail](https://proton.me/mail/home) for Android.

-------- Original Message --------
On Tuesday, 12/09/25 at 16:54 Alaa Shaikhqasem 
<[email protected]> wrote:

> Dear CCP4BB community,
>
> I have collected several partial rotation wedges from the same crystal, and 
> each wedge was processed separately in XDS. From each processing run, I know 
> the experimental completeness (i.e., the fraction of reflections actually 
> observed).
>
> I would like to determine the theoretical/predicted completeness for each 
> wedge, meaning: how many reflections should be measurable from that specific 
> rotation range, given the crystal symmetry and geometry, regardless of 
> whether they were actually observed.
>
> Specifically:
>
> -
>
> Is there a way in XDS to compute the expected number of reflections for an 
> arbitrary rotation range (e.g., from angle X° to Y°)?
>
> -
>
> Can XDS output the theoretical completeness of such a wedge relative to a 
> full 360° dataset?
>
> -
>
> If not directly available in XDS, what tools or workflow would you recommend 
> to calculate this?
>
> My goal is to compare the experimental completeness per wedge with the 
> predicted completeness of that same wedge, to understand how much coverage is 
> intrinsically possible from that rotation interval.
>
> Any suggestions, especially for doing this within XDS or with related tools, 
> would be greatly appreciated.
>
> Thank you!
> Alaa
>
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