2025-12-04.md

areaDetector Collaboration Meeting (2025-12-04)

Attendance

• Érico Nogueira Rolim
• Gustavo de Souza dos Reis
• Tejas Guruswamy
• James Souter (his last)
• QunZhang
• Elaine Chandler

Previous meeting action points

• Tejas mentioned issues (segfaults) with non-standard chunking with HDF5

Meta-issues

• Move date of January meeting to accommodate holidays

Issues

• ADCore:
  • Issues:
    • Strange INP field to record named "test" - EPICS shutter not in use, just noticed the weird INP field
  • PRs:
    • Convert NDPluginPva to use PVXS - James might not work on it further, needs review from Davidsaver and Mark
• ADEiger:
  • Issues:
    • NDFileHDF5 write failure with Stream2 + BS-LZ4 (Decompress=0)
• ADLambda:
  • Issues:
    • Allow for multi-module detectors to process data separately per module
    • Missing features from new libxsp library versions
• ADUVC:
  • Issues:
    • Implement digital binning and ROI selection
• Stale Items:
  • Stale Issues:
    • Create mixer plugin - discussed in last meeting
    • NDFileNexus problem - wait for Mark. Does anyone use the plugin?
    • Add flag to prevent overwriting files in NDPluginFile
    • Move more functionality into the ADDriver base class - evaluate how it might integrate with future implementations
    • Possible changes to NDArray and NDArrayPool - wait for Mark
    • NDArrayPool refactor - wait for Mark
  • Stale PRs:
    • Build ADURL with ci-scripts on Ubuntu using out GitLab server.
    • WIP: Multitrack and Improvements
    • Add setlocal, update PATH with LIGHTFIELD_ROOT
    • Updates/fixes to the driver, works at NSLS2 - pinged Jakub
    • Add specialization for std::hash for PicamParameter to build on older…
    • Remove obsolete shamrockDummy.cpp to avoid confusion - probably ready to merge
    • Re-ordered includes in the main configure/RELEASE - ping Mark and James to confirm

Other issues

Ongoing development

• github actions build failing on windows-x64
• Fixing incompatible pointer assignment that causes build on RHEL 10 to fail
• Camera on Windows, ImageJ PVA plugin on same machine, gets really slow (1 FPS), no issue with CA or different machines
• Stale Items:
  • Find a way to stop misbehaving plugins from slowing down driver
    • 2025-05-08: close after documenting expected plugin behavior
  • documentation
    • 2025-08-07: Jakub is setting one up, can look at docs
    • No time to take a look at it yet