2025-06-12.md

areaDetector Collaboration Meeting (2025-06-12)

Attendance

• Érico Nogueira Rolim
• James Souter
• Mark Rivers
• Wang Xiaoqiang
• Qun Zhang
• Gustavo Reis
• Henrique Simoes
• Josh EC
• Jakub Wlodek
• Tomasz Brys
• Iain

Previous meeting action points

• See if PyDM autoconvert can be added to autoconvert recipe: https://anaconda.org/conda-forge/adl2pydm , as pointed out in ADAravis#34
• Open issues/PRs specifying PV behavior more explicitly
  • Acquire -> people should use the busy callback
  • "Detector is ready for triggers" -> ARMED PV? Acquire_RBV?
• Find owners (contact points) for drivers and define obsolete drivers sent to tech-talk: https://epics.anl.gov/tech-talk/2025/msg00536.php
  • Mark will respond to the email with further suggestions: https://epics.anl.gov/tech-talk/2025/msg00646.php
  • Diamond might take up ADAravis

Issues

• areaDetector:
  • PRs:
    • Archive driver repositories which no one manifested about.
    • Archive drivers indicated in tech-talk.
• ADCore:
  • PRs:
    • Convert NDPluginPva to use PVXS
• ADAndor3:
  • Issues:
    • Provide updated tag - Mark will create the new tag
• ADAravis:
  • Issues:
    • Device features aren't periodically scanned by default - screenshots can be used as documentation, but written documentation can be updated
• ADCompVision:
  • PRs:
    • Median blur function - Jakub wants to merge it later this week, will ask to change the enum position so nothing breaks
• ADEiger - Mark will go through the issues, can probably close most:
  • Issues:
    • Support for other SIMPLON detectors -- PILATUS4 and SELUN
    • The lz4 data in Stream2 is different from Stream
    • Driver is copying data twice for each frame in Stream mode, not efficient
    • Support Stream2 CBOR format and multiple threshold frames
• ADLambda:
  • Issues:
    • Conflicting documentation files - Jakub will take a look at it
• ADPICam:
  • Issues:
    • Lock directory initialization - probably a documentation matter, since creating the directory requires root
• collaboration:
  • Issues:
    • Repositories to be archived
• Stale Items:
  • Stale Issues:
    • HDF5 plugin feature where datasets with type=constant is broken - seems to be working now, can be closed
    • Find a way to stop misbehaving plugins from slowing down driver
    • HDF5 NDAttribute datasets to support "extra" dimensions like detector datasets
    • Build version of HDF5 with SWMR support - obsolete repository
    • New OPI to show pixel data in CSS intensity graph
    • Remove szip?
    • Support for Visual Studio 2015
  • Stale PRs:
    • Remove IOC *.cmd comment about loading envPaths - obsolete repo
    • Removing doCallbacksGeneric pointer, adding maxThreads support - Jakub will update it and merge
    • Diamond changes - Jakub had issues with master branch and this PR, changes might not be relevant anymore
    • Added ADPluginCentroids - Mark will take a look
    • Typo in README - merged
    • Create AWS S3 Interface for TIFF Files - PoC, can be closed
    • Image j macros - Jakub will find the updated versions

Other issues

• ffmpegServer crashing with 8bit image using MJPEG