v0.16.0

DataLab Version 0.16.0

💥 New features and enhancements:

• Major user interface overhaul:

  • The menu bar and toolbars have been reorganized to make the application more
    intuitive and easier to use
  • Operations and processing features have been regrouped in submenus
  • All visualization-related actions are now grouped in the plot view vertical toolbar
  • Clarified the "Annotations" management (new buttons, toolbar action, ...)

• New validation process for signal and image features:

  • Before this release, DataLab's validation process was exclusively done from the
    programmer's point of view, by writing unit tests and integration tests, thus
    ensuring that the code was working as expected (i.e. that no exception was raised
    and that the behavior was correct)
  • With this release, a new validation process has been introduced, from the user's
    point of view, by adding new validation functions (marked with the
    @pytest.mark.validation decorator) in the test suite
  • A new "Validation" section in the documentation explains how validation is done
    and contains a list of all validation functions with the statistics of the
    validation process (generated from the test suite)
  • The validation process is a work in progress and will be improved in future versions

• "Properties" group box:

  • Added "Scales" tab, to show and set the plot scales:
    • X, Y for signals
    • X, Y, Z (LUT range) for images

• View options:

  • New "Show first only" option in the "View" menu, to show only the first curve
    (or image) when multiple curves (or images) are displayed in the plot view
  • New (movable) label for FWHM computations, additional to the existing segment annotation

• I/O features:

  • Added support for reading and writing .MAT files (MATLAB format)
  • Create a new group when opening a file containing multiple signals or images (e.g. CSV file with multiple curves)

• Add support for binary images

• Signal ROI extraction: added new dialog box to manually edit the ROI lower and upper bounds after defining the ROI graphically

ℹ️ New Signal operations, processing and computing features:

Menu	Submenu	Features
New	New signal	Exponential, pulse, polynomial, experimental (manual input)
Operations		Exponential, Square root, Power
Operations	Operations with a constant	+, -, *, /
Processing	Axis Transformation	Reverse X-axis
Processing	Level Adjustment	Offset correction
Processing	Fourier analysis	Power spectrum, Phase spectrum, Magnitude spectrum, Power spectral density
Processing	Frequency filters	Low-pass, High-pass, Band-pass, Band-stop
Processing		Windowing (Hanning, Hamming, Blackman, Blackman-Harris, Nuttall, Flat-top, ...)
Processing	Fit	Linear fit, Sinusoidal fit, Exponential fit, CDF fit
Computing		FWHM (Zero-crossing method), X value @ min/max, Sampling period/frequency, Dynamic parameters (ENOB, SNR, SINAD, THD, SFDR), -3dB bandwidth, Contrast

ℹ️ New Image operations, processing and computing features:

Menu	Submenu	Features
Operations		Exponential
Operations	Intensity profiles	Profile along a segment
Operations	Operations with a constant	+, -, *, /
Processing	Level Adjustment	Normalization, Clipping, Offset correction
Processing	Fourier analysis	Power spectrum, Phase spectrum, Magnitude spectrum, Power spectral density
Processing	Thresholding	Parametric, ISODATA, Li, Mean, Minimum, Otsu, Triangle, Yen

🛠️ Bug fixes:

• Fixed a performance issue due to an unnecessary refresh of the plot view when adding a new signal or image
• Fixed Issue #77 - Intensity profiles: unable to accept dialog the second time
• Fixed Issue #75 - View in a new window: curve anti-aliasing is not enabled by default
• Annotations visibility is now correctly saved and restored:
  • Before this release, when modifying the annotations visibility in the separate plot view, the visibility was not saved and restored when reopening the plot view
  • This has been fixed upstream in PlotPy (v2.3.3)