nionswift-instrumentation 0.20.2

A Nion Swift library for STEM instrumentation (Camera, Scan, Video, Microscope).

Nion Swift Instrumentation

The Nion Swift Instrumentation library (used in Nion Swift)

The instrumentation library provides base classes for STEM instrumentation including cameras and scanners.

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More Information

• Changelog

• Documentation (stable)

• Documentation (latest)

Changelog (nionswift-instrumentation)

0.20.2 (2021-12-13)

• Fix issue assembling scan channels during synchronized acquisition when split into sections (drift).

• Add support for camera device 3 (no prepare methods).

• Fix issue with camera state being incorrect in display panel control bar.

• Make auto drift tracker during synchronized acquisition optional (default off).

• Improve error recovery and notification during acquisition errors.

• Improve handling of subscan/drift graphics when switching projects.

• Fix sequence of spectra acquisition when optimized on device.

• Show acquisition activity in activity panel.

• Enable support for Python 3.10.

0.20.0 (2021-11-12)

• Add preliminary acquisition panel for more complex sequence/collection acquisitions.

• Acquisition panel includes 1D ramp (series), 2D ramp (tableau), and other options.

• Add preliminary drift tracker, both manual and automatic. Work in progress.

• Add virtual detector option to MultiAcquire.

• Add option to apply shift for each frame in MultiAcquire.

• Remove unused and incomplete monitor button in camera panel.

• Improve internal documentation by utilizing Python protocols for various interfaces.

• Improve reliability and code quality by enabling Python strict typing.

• Drop support for Python 3.7.

0.19.5 (2021-04-12)

• Improve multiple shift EELS acquire by allowing disabling of dark subtraction and alignment.

• Synchronized acquisition now attached session metadata to resulting data items.

Thanks to Isobel Bicket/McMaster University for multiple shift EELS contributions.

0.19.4 (2021-03-12)

• Compatibility with nionui 0.5.0, nionswift 0.15.5.

• Fix issue with large SI’s in wrong storage format (ndata vs h5py).

0.19.3 (2021-01-17)

• Add ability to pass some metadata from camera to final synchronized acquisition data. Temporary.

• Fix issue where record did not work after running synchronized acquisition.

• Add camera base methods for setting and clearing gain reference images.

0.19.2 (2020-12-10)

• Fix issue with probe position graphic when multiple channels enabled.

0.19.1 (2020-12-08)

• Fix issue with metadata in scan recorder result data items.

• Fix issue with spectrum imaging panel Acquire button not getting enabled.

• Rework MultiAcquire to use new partial data item updates.

0.19.0 (2020-08-31)

• Add section-by-section drift correction during synchronized acquisition.

• Add support for specifying drift correction parameters (only used in synchronized acquisition).

• Add record_immediate function for scan devices.

• Add partial updating during synchronized acquisition.

• Add optional help button and ability to register delegate for camera panel to handle.

• Fix numerous issues handling the subscan and beam position graphics.

• Fix issue starting scan record immediately after another one.

• Fix issue with reloading scans with leftover probe/subscan graphics.

• Enable spectrum image acquisition for MultiAcquire.

• Removed y-shift and shifter strength from MultiAcquire.

• Added a time estimate to MultiAcquire.

0.18.3 (2019-11-26)

• Fix issue with subscan handling during SI.

• Improve exception handling during camera initialization.

• Add support for time-based initial calibration style for scans.

0.18.2 (2019-07-22)

• Fix metadata handling in scan devices (was not copying it to the image).

0.18.1 (2019-06-27)

• Fix multi acquire data item calibration handling.

0.18.0 (2019-06-25)

• Change camera to use instrument controller (generalized stem controller).

• Add stubs for 2D control methods.

0.17.0 (2019-04-29)

• Add synchronized acquisition of sub areas and lines.

• Expand ability of custom devices to specify calibration and processing.

• Add multi-acquire panel for acquiring multiple summed sets of spectra with optional energy offsets.

• Support subscan rotation and subscan resolution.

• Improve handling of default stem_controller for camera, scan modules.

• Change shift output messages to match sign of change.

0.16.3 (2019-02-27)

• Change camera exposure time and scan pixel time to have two digits of precision.

• Add ‘synchronized state’ messages to instrument controller, invoked at start/end of synchronized acquisition.

• Limit scan device pixel time in the case of long camera exposure during synchronized acquisition.

0.16.2 (2018-01-18)

• Fix closing bug in state controller leading to errors when closing document window.

0.16.1 (2018-12-21)

• Change spectrum and 4d images to go into new data items each acquisition.

0.16.0 (2018-12-12)

• Add check mark in context menu to indicate active display panel controller.

• Use new display item capabilities in Nion Swift 0.14.

0.15.1 (2018-10-04)

• Fix race condition when scripting probe position.

0.15.0 (2018-10-03)

• Improve support for sub-scan.

• Expand API and documentation.

• Improve cancel and error handling in synchronized acquisition.

• Remove limitation of PMT to channels 0, 1.

• Add support for acquisition sequence cancellation.

0.14.1 (2018-06-25)

• Add STEM controller methods to access ronchigram camera, eels camera, and scan controller.

• Register all cameras via Registry rather than directly in HardwareSourceManager.

• Improve metadata, calibration, and naming during acquisition recording.

0.14.0 (2018-06-21)

• Introduce camera modules to replace camera devices. Allows more control of camera settings.

0.13.3 (2018-06-18)

• Minor changes to scan acquisition (ensure size is int).

• Fix handling of Ronchigram when scale calibration missing.

0.13.2 (2018-06-04)

• Improve handling of sum/project processing in acquire sequence.

• Improve handling of calibration via calibration controls.

• Fix default handling of dimensional calibrations in acquire sequence.

0.13.1 (2018-05-13)

• Fix manifest.

0.13.0 (2018-05-12)

• Initial version online.