Jdaviz

================

New Features
------------

- Lines from the line list plugin can be selected to help identify as well
as to assign redshifts from the line analysis plugin. [1115]

- New ``jdaviz.core.region_translators`` module to provide certain translations
from ``regions`` shapes to ``photutils`` apertures, and vice versa. [1138]

Imviz
^^^^^

- New Line Profiles (XY) plugin to plot line profiles across X and Y axes
for the pixel under cursor when "l" key is pressed or for manually entered
X and Y values on the displayed image. [1132]

- Simple aperture photometry plugin now uses ``photutils`` to for all calculation.
Additional photometry results are also added, such as centroid and FWHM. [1138]

Specviz
^^^^^^^

- Exposed toggle in Plot Options plugin for viewing uncertainties. [1189, 1208]

API Changes
-----------

Imviz
^^^^^

- ``viewer.marker`` dictionary now accepts ``fill`` as an option, settable to
``True`` (default) or ``False``; the latter draws unfilled circle. [1101]

Bug Fixes
---------

- Fixed support for table scrolling by enabling scrollbar. [1116]
- Fixed loading additional spectra into a spectrum viewer after creating a
spectral subset. [1205]

Cubeviz
^^^^^^^

- Fixed linking of data to allow contour over-plotting. [1154]
- Fixed an error trace when fitting a model to a spatial subset. [1176]
- Fixed the model fitting plugin data dropdown not populating with spatial
subsets properly. [1176]
- Fixed visibility of switch and dropdown options in gaussian smooth plugin. [1216]

Imviz
^^^^^

- Fixed Compass plugin performance for large image. [1152]

- Fixed data shown out of order when ``load_data`` is called after
``app``. [1178]

- Fixed the subsequent dataset not showing after blinking if the dataset
being shown is removed from viewer. [1164]

Other Changes and Additions
---------------------------

- Jdaviz now requires Python 3.8 or later. [1145]

- ``photutils`` is now a required dependency. [1138]

- Viewer toolbars are now nested and consolidated, with viewer and layer options
moved to the sidebar. [1140]

- Redshifts imported with a custom line list are now ignored. Redshift must be set app-wide via
viz.set_redshift or the line list plugin. [1134]

- Subset selection dropdowns in plugins now show synced color indicators. [1156, 1175]

- Line analysis plugin now shows uncertainties, when available. [1192]

================

New Features
------------

- There are now ``show_in_sidecar`` and ``show_in_new_tab`` methods on all the
helpers that display the viewers in separate JupyterLab windows from the
notebook. [952]

- The line analysis plugin now includes logic to account for the background
continuum. [1060]

- Specviz can load a ``SpectrumList`` and combine all its elements into a single spectrum. [1014]

Cubeviz
^^^^^^^

- Move slice slider to the plugin tray and add capability for selecting by wavelength as well as
through a tool in the spectrum viewer. [1013]

Imviz
^^^^^

- New metadata viewer plugin. [1035]

- New radial profile plot and background auto-population in the
simple aperture photometry plugin. [1030, 1109]

- New plugin to display compass for image with WCS and also zoom box. [983]

- Imviz now loads 3D Numpy array as individual slices at ``axis=0``.
Also supports higher dimension as long as the array can be squeezed into 3D. [1056]

- New ``do_link`` keyword for ``Imviz.load_data()``. Set it to ``False``
when loading multiple dataset in a loop but ``Imviz.link_data()`` must be
run at the end manually afterwards. [1056]

- New ``imviz.load_static_regions_from_file()`` method to load region file
via API. [1066]

Mosviz
^^^^^^

- New metadata viewer plugin. [1035]

Specviz
^^^^^^^

- New metadata viewer plugin. [1035]

API Changes
-----------

- Viewers now can access the Jdaviz application using ``viewer.jdaviz_app`` and
the helper via ``viewer.jdaviz_helper``. [1051, 1054]

- Jdaviz no longer uses Python logging to issue warning. Warning is now issued by
Python's ``warnings`` module. [1085]

Cubeviz
^^^^^^^

- Subsets from the spectrum viewer are now returned as SpectralRegion objects. [1046]

- Collapse plugin only collapses into spatial-spatial image now. Default collapse
function is now sum, not mean. [1006]

Imviz
^^^^^

- ``imviz.load_static_regions()`` now returns a dictionary of regions that failed
to load with warnings. It also shows a snackbar message. [1066]

Bug Fixes
---------

- Model plugin now validates component names to avoid equation failing. [1020]
- Model plugin properly updates parameters after fit for compound models. [1023]
- Model plugin now respects fixed parameters when applying model to cube, and retains
parameter units in that case. [1026]
- Model plugin polynomial order now avoids traceback when clearing input. [1041]
- Box zoom silently ignores click without drag events. [1105]
- Fixes index error when plotting new data/model. [1120]
- API calls to subset now return full region. [1125]

Cubeviz
^^^^^^^

- Spectral region retrieval now properly handles the case of multiple subregions. [1046]

- Moment Map plugin no longer crashes when writing out to FITS file. [1099]

- Moment Maps result is no longer rotated w.r.t. original data. [1104]

Imviz
^^^^^

- Imviz no longer crashes when configuration is overwritten by MAST. [1038]

- Imviz no longer loads incompatible data from ASDF-in-FITS file. [1056]

- Simple Aperture Photometry plugin now shows the entire data collection
for the application, not just selected data/subset for the default viewer. [1096]

Mosviz
^^^^^^

Specviz
^^^^^^^

- Fix corrupted voila launch notebook. [1044]

- Entering line list in units that require spectral equivalencies no longer crashes Line Lists plugin. [1079]

- Unit Conversion plugin is now disabled in the presence of any Subset due to
incompatibility between the two. [1130]

Other Changes and Additions
---------------------------

- Redshift slider and options are moved from the toolbar to the Line List
plugin in the plugin tray. [1031]

- Spectral lines and redshift are refactored to improve performance. [1036]

- Jdaviz no longer depends on ``spectral-cube``. [1006]

- Line list plugin now includes a dropdown for valid units for custom lines. [1073]

================

New Features
------------

- Box and xrange zoom tools for all applicable viewers. [997]

- Data and Subset selection are now separate in the Line Analysis plugin, to
handle the case of multiple datasets affected by a subset. [1012]

Bug Fixes
---------

Cubeviz
^^^^^^^

- Missing MJD-OBS in JWST data will no longer crash Cubeviz as long as
it has MJD-BEG or DATE-OBS. [1004]

================

New Features
------------

- Support for units in astropy models and BlackBody in modeling plugin. [953]

Imviz
^^^^^

- New ``imviz.create_image_viewer()`` and ``imviz.destroy_viewer()`` methods
to allow users to programmatically create and destroy image viewers. [907]

- New plugin to control image linking via GUI. [909]

- New plugin to perform simple aperture photometry. [938]

- Coordinates display now also shows Right Ascension and Declination in degrees. [971]

Mosviz
^^^^^^

- New toggle button to lock/unlock viewer settings (x-limits in 1d and 2d spectrum viewers and
stretch and percentile for 2d spectrum and image viewers). [918]

- Ability to add custom columns and change visibility of columns in the table. [961]

- Support for redshift slider and new ``mosviz.get_spectrum_1d`` and ``mosviz.get_spectrum_2d``
helper methods. [982]

Specviz
^^^^^^^

- MIRI s2d files can now be loaded into Specviz2d. [915]

- Default new subset/region thickness is set to 3px. [994]

API Changes
-----------

- Removed unused ``jdaviz.core.events.AddViewerMessage``. [939]

Bug Fixes
---------

- ``vue_destroy_viewer_item`` no longer called twice on destroy event. [676, 913]

Imviz
^^^^^

- ``imviz.get_interactive_regions()`` no longer produces long traceback
for unsupported region shapes. [906]

- Imviz now parses some image metadata into ``glue`` and understands
ELECTRONS and ELECTRONS/S defined in FITS BUNIT header keyword. [938]

- Imviz now updates pixel value correctly during blinking. [985]

- Imviz now displays the correct pixel and sky coordinates for dithered
images linked by WCS. [992]

Specviz
^^^^^^^

- Fixed a bug where ``specviz.get_model_parameters()`` crashes after fitting
a Gaussian model in the Model Fitting plugin. [976]

Other Changes and Additions
---------------------------

- Cubeviz now loads data cube as ``Spectrum1D``. [547]
- The new template load system in ``ipyvue`` is used, which enables hot reload. [913]
- Plugins now provide options for immediately showing results in applicable viewers. [974]

================

- Added Imviz configuration for visualization of 2D images.
- Overhauled Mosviz to drastically increase performance, improve user interface,
fix buggy features.
- Improved other configurations with bug fixes, user experience enhancements,
and JWST data formats support.

================

New Features
------------
- Added methods to extract Mosviz data table to csv or astropy table. [468]
- Added methods to extract fitted models and model parameters to notebook. [458]
- Created a NIRISS dataset parser for Mosviz. [394]
- Added a Specviz2d configuration for two-dimensional spectra. [410, 416, 421]
- Added a redshift slider to Specviz. [380, 453, 457]
- Added new preset spectral line lists. [379]
- Added a debugging mode to show stdout and stderr on frontend. [368]

Bug Fixes
---------
- Fixed data selection update loop in UI menu. [427, 456]
- Fixed a bug when using the Gaussian Smooth plugin multiple times. [441]
- Fixed axis autoscaling when redshift slider has been used. [404, 413]
- Now properly raises an error when trying to load a non-existent file. [384]
- Fixed "Hide All" button behavior in line list plugin. [383]
- Fixed a WCS bug in Mosviz. [377]
- Fixed failing case of parsing cube extensions. [374]

Other Changes and Additions
---------------------------
- Cleaned up the Model Fitting plugin UI. [485]
- Improved performance when loading multiple datasets. [435]
- Updated example notebooks. [418]
- Moved snackbar messages to top of UI. [375]
- Removed unused icons from toolbar. [366]
- Refactored the Unit Conversion plugin. [360]
- Many documentation updates/additions. [340, 341, 343, 346, 347,
349, 350, 351, 352, 357, 365, 376, 471, 481, 482, 483]