---
# System prepended metadata

title: DIALS core meeting 2023-09-21
tags: [core meeting]

---

---
name: DIALS core meeting 2023-09-21
tags: core meeting
---

# DIALS core meeting 2023-09-21

## Previous Actions

- [ ] **ND**: PR to remove `std::string` support for messagepack from dials code
- [ ] **ND** Investigate getting `psana` tests running on the DIALS xfel-regression testing
- [ ] **JBE:** Solve  "multiplex: Duplicate Batch offsets detected" [xia2#430](https://github.com/xia2/xia2/issues/430) ([prev](https://dials.github.io/kb/core/2023-06-15#xia2multiplex-fails-because-duplicate-batch-offsets-detected)) (not urgent)
- [ ] **ND** or **DW**: Cannot view reciprocal lattice using dials.reciprocal_lattice_viewer [#2443](https://github.com/dials/dials/issues/2443)
    - Probably needs someone to dig into windows gltbx behaviour, or at least work out where issue lies
    - Reports from CCP4 workshop that people are having issue on latest ubuntu
- **ND**: Investigate using stable-nightly conda builds of cctbx (e.g. cctbx tests) longer term

## Agenda


### SerialTBX status update ([prev](https://dials.github.io/kb/core/2023-06-15#removing-circular-xfel-dependencies-with-serialtbx)).
- [cctbx#872](https://github.com/cctbx/cctbx_project/pull/872) now marked ready for review
    - Awaiting NKS approval
- dxtbx will break when changes applied, until next cctbx release
    - Planning to switch to cctbx nightly for dxtbx/dials tests
- **ND**: Update CI to do this, let AB know when ready to merge
            

### DIALS-support "Error importing .cbf files using DIALS"
- [dials#2488](https://github.com/dials/dials/issues/2488)
-  Pilatus3 1M at BL02B1, SPRING-8 appears to be transposed!!??!?
- Graeme got some info from Kunio, Takanori seems to be looking at
- Seems to be no explanation for the very odd inverted-detector behaviour
    - Done for Crysalis convention
    - Takanori appears to have Format class in hand
    - Okay to ignore the exceptionally different files as no timestamp and no longer generated
- Take a look at state of things in a couple of weeks



### dials.cosym finds the right operator but puts it wrongly
- [dials#2486](https://github.com/dials/dials/issues/2486)
- Draft PR at https://github.com/dials/dials/pull/2497
- Pulled in other problems that need to be worked through
- Potential fix opened a large box of problems
- GW believes needs a rethink and a rewrite and patching is essentially impossible
- GW and DP to discuss on 27th


## AOB?

### Cosym: don't fill wij matrix where the overlap is less than min_pairs 
- https://github.com/dials/dials/pull/2503
- **ND**: Test with full dials regression tomorrow and merge


### Next meeting

Thursday, October 5th, 4pm (BST), 8am (PDT)
