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Diamond Richard Fearn: Software Engineer at DASC

Richard Fearn is a skilled software engineer based at Daresbury who continued his work at Diamond. He has developed a single software framework for all beamlines, focusing on consistent LaF and flexibility. His primarily Java-based system integrates open-source components and features a GUI with a Jython terminal for command-line interaction. Richard has expertise in GDA architecture, GUI integration, and STAC implementation for data processing. He aims to enhance analysis capabilities through integrating EDNA and SDA for user-controlled data processing.

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Diamond Richard Fearn: Software Engineer at DASC

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  1. STAC usage at Diamond Richard Fearn Software Engineer

  2. About me • Software engineer in DASC • Coordinating GDA development for MX • primarily data acquisition

  3. GDA overview • developed at Daresbury; continued at Diamond • single software framework for all beamlines • consistent LaF; modular, flexible, configurable • mostly Java; has Jython interpreter • uses many open source components • GUI has Jython terminal for command-line interaction, and Jython script editor

  4. GDA architecture GDA GUI GDA GUI CORBA/RMI CORBA/RMI GDA server Jython interpreter Channel Access EPICS

  5. Existing GDA for MX

  6. Existing GDA for MX

  7. STAC integration (1) • Embedded in GUI as separate tab • GDA-specific plugin • Can control motors & run scripts

  8. STAC integration (2) GDA GUI STAC CORBA/RMI CORBA/RMI GDA server Jython interpreter Channel Access EPICS

  9. Changes required • Logging • Compilation errors • Minor changes • Eclipse project, missing image, Ant build file • Source download would be useful

  10. New Eclipse GUI

  11. STAC integration (3) GDA GUI STAC CORBA/RMI CORBA/RMI GDA server Jython interpreter Channel Access EPICS

  12. Data processing • EDNA / fast_dp / xia2 run automatically • Depending on number of images, etc. • Looking at integrating STAC into EDNA • Few images to characterise sample • Then ordinary data collection • SDA will give users more control over analysis

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