Adds PVA area detector image viewer#20
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Jul 23, 2026
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- Adds epics_pvaviewer
- Supports live PVA streaming with frame-rate display, pan/zoom, ROI selection, and line profiling
- Integrates pyFAI for azimuthal integration with d-spacing/2θ overlays; falls back to pixel column mean when uncalibrated
- Adds pixel threshold masking with overlay display, background subtraction with interactive ROI, and polynomial fitting
- Loads HDF5, TIFF, CBF, EDF, JPEG, and PNG files; supports multi-frame navigation for HDF5 and multi-frame TIFF
- Settings popup with sectioned layout (Display, Range, Mask, Detector); YAML config loading with colormap, pixel size, and PV control layout
- Offloads integration and mask computation to a background thread with a pending queue for responsive live updates
…s, button hover states, and improved widget layout
…platform menus to pva adviewer
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