---
name: DIALS core meeting 2023-03-09
tags: core meeting
---

# DIALS core meeting 2023-03-09

## Previous Actions

- [ ] `std::string` support for messagepack. This is used in XFEL module, should try to fix. [`dials/dials#1858`](https://github.com/dials/dials/issues/1858).
- [X] Is using pickle until this is fixed, so probably good to do
- [X] AB Added to codecamp list. Might get to this!
- [X] Looking at this week. Removing seems acceptable and probably the easiest solution
- [ ] **ND Action**: PR to remove from dials code
- [ ] **ND** Investigate getting `psana` tests running on the DIALS xfel-regression testing
- [ ] Dropping Data Blocks ([#504](https://github.com/cctbx/dxtbx/pull/504))
- [x] **Action**: DGW WIP migrating data to dials-data
- [ ] Still failures in DIALS test data
- [ ] **ND**: Look at DIALS failures and work out what needs to be migrated

## Agenda

### CI
- Moved windows CI/regression to CMake on Azure
- Planning to move Mac, but keeping linux on full bootstrap

### CBFlib

- HJB Working on 0.9.8 release
- Discussion about making a thread to co-ordinate what it would take to move dials directly back to cbflib
- Shelve awaiting feedback from HJB

### Detector dxtbx.plot_detector_models fixes

- https://github.com/cctbx/dxtbx/pull/610
- Richard has fixed many of the issues
- **Action:** Aaron going to look

### Handle Blank IDs

https://github.com/dials/dials/pull/2342

- Discussion over all/any
- Automerging

### Issue: Slicing reflection tables drops identifier map

https://github.com/dials/dials/issues/2276

- Would be very useful to fix
- **Action: JBE** Now aware about, will look at

### Moving flex tables from dials to dxtbx

https://github.com/dials/dials/pull/2113

- Comments on deprecation instead of direct removal
- **Action**: Solve deprecation issue and merge conflicts, discuss next time.

### Code camp idea?

- Aaron suggests - a few days, couple of hours a day, work on outstanding smaller issues?
- Virtual DIALS code-camp
- Split into sessions:
- Planning
- Coding
- Closeout
- Graeme suggests linking to potential serial workshop being talked about at Cornell/CHESS for ~end of July
- Initial plans for Week of 17th July, unconfirmed

### AOB?

### NX Writer!
- Aaron been working on: [nxmx_writer.py](https://github.com/cctbx/dxtbx/blob/nxmx_writer/src/dxtbx/format/nxmx_writer.py)
- Converts from any dxtbx format to NXMX HDF5
- Supports appending
- Does not (yet!) support Scan/Gonio
- Flumpy!
- Code camp for the axis??
- **Action: Schedule session to work/finish off**

### dials.cosym applies an incompatible reindexing operator

https://github.com/dials/dials/issues/2320

- Graeme has asked Richard to have a look

### Next meeting

Thursday, March 23rd, 3pm (GMT), 8am (PDT) **(Two hours + Coding)**