Full changelog

v1.21.1 - 2024-07-15

What's Changed

Bug Fixes

Fix reading of FITS files with SkyCoord columns by @astrofrog in #2488
Prevents duplicate loading of plugins by @CyclingNinja in #2490
Make WCSLink.as_affine_link more robust to NaN values and raise an error if no overlap by @astrofrog in #2491
Make sure that we don't do any unit parsing if the original and target unit are the same by @astrofrog in #2493
Fix compatibility with Numpy 2.0 and fix compatibility of viewers with generic BaseData subclasses by @astrofrog in #2500

Other Changes

Remove unnecessary check of fitting status and clarify docstring by @astrofrog in #2492
Remove pvextractor from dependencies by @Carifio24 in #2497
Fix visual tests by @astrofrog in #2501
Update figure hashes by @astrofrog in #2502

Full Changelog: https://github.com/glue-viz/glue/compare/v1.21.0...v1.21.1

v1.21.0 - 2024-04-26

What's Changed

New Features

Allow setting slices or subset_state for determining min/max levels in StateAttributeLimitsHelper by @dhomeier in #2476

Bug Fixes

Fix bug that caused IncompatibleAttribute error when trying to change limits by @astrofrog in #2486

Full Changelog: https://github.com/glue-viz/glue/compare/v1.20.0...v1.21.0

v1.20.0 - 2024-04-17

What's Changed

New Features

Allow transparent regions in composite images when out of bounds by @bmorris3 in #2482

Bug Fixes

Compatibility and tests against Numpy 2.0.0rc1 by @dhomeier in #2471

Full Changelog: https://github.com/glue-viz/glue/compare/v1.19.1...v1.20.0

v1.19.1 - 2024-04-17

What's Changed

Bug Fixes

Fix bugs with attribute display units by @astrofrog in #2484

Full Changelog: https://github.com/glue-viz/glue/compare/v1.19.0...v1.19.1

v1.19.0 - 2024-04-16

What's Changed

New Features

Adds custom list of plugins to be passed on load by @CyclingNinja in #2481
Add the ability to specify a random subset size for computing histogram by @astrofrog in #2478
Implement support for unit conversion in attribute limits in image viewer by @astrofrog in #2480
Allow serializing and deserializing named astropy units by @Carifio24 in #2475

Other Changes

Fix the logic for region display when exchanging x/y world coordinates by @jfoster17 in #2479

New Contributors

@CyclingNinja made their first contribution in #2481

Full Changelog: https://github.com/glue-viz/glue/compare/v1.18.0...v1.19.0

v1.18.0 - 2024-03-26

What's Changed

New Features

Preserve alpha while compositing with cmap.set_bad by @bmorris3 in #2468

Other Changes

Remove deprecated Qt-related code (and glue.qglue) by @astrofrog in #2477

Full Changelog: https://github.com/glue-viz/glue/compare/v1.17.1...v1.18.0

v1.17.1 - 2023-12-07

What's Changed

Bug Fixes

Fix default stretch density by @astrofrog in #2467
Provide stronger checking for region display. Fix x/y flip. by @jfoster17 in #2465

Other Changes

Fix documentation build by @astrofrog in #2466

Full Changelog: https://github.com/glue-viz/glue/compare/v1.17.0...v1.17.1

v1.17.0 - 2023-12-05

What's Changed

New Features

Make stretches be customizable on a layer by layer basis by @astrofrog in #2453

Full Changelog: https://github.com/glue-viz/glue/compare/v1.16.0...v1.17.0

v1.16.0 - 2023-11-16

What's Changed

New Features

Customizable limits percentile and behavior on updating bins when resetting limits by @astrofrog in #2455

Full Changelog: https://github.com/glue-viz/glue/compare/v1.15.0...v1.16.0

v1.15.0 - 2023-11-14

What's Changed

New Features

Support regions in image viewer by @jfoster17 in #2456
Added 'simple' viewers which can be used for testing or simple use cases by @astrofrog in #2458

Other Changes

Added giles configuration by @astrofrog in #2460
Add visual test for ScatterRegionLayerArtist by @jfoster17 in #2461
Ignore all test files in coverage calculation by @astrofrog in #2462

Full Changelog: https://github.com/glue-viz/glue/compare/v1.14.1...v1.15.0

v1.14.1 - 2023-10-26

What's Changed

Bug Fixes

Fix bug when changing the number of bins on a histogram with modified/deleted data by @astrofrog in #2451

Documentation

Fix docs failure related to theme warning by @astrofrog in #2452

Full Changelog: https://github.com/glue-viz/glue/compare/v1.14.0...v1.14.1

v1.14.0 - 2023-10-23

What's Changed

New Features

Support dynamic components by @jfoster17 in #2446
Add regiondata by @jfoster17 in #2442

Bug Fixes

Render nans as 'bad' in mpl cmaps when mode='colormap' by @bmorris3 in #2427
Update deprecated call to resize_event in test by @jfoster17 in #2443
Do not use fancy index for subsets over Dask data by @jfoster17 in #2444
Fix bug that caused incompatible subsets to be rendered in some contexts rather than be hidden by @jfoster17 in #2425

Other Changes

Switch to Sphinx book theme and tidied up Sphinx configuration by @astrofrog in #2436
Make tests robust to plugins adding new translators by @jfoster17 in #2445

Full Changelog: https://github.com/glue-viz/glue/compare/v1.13.1...v1.14.0

v1.13.1 - 2023-08-17

What's Changed

Bug Fixes

Add back parsing functions to qglue temporarily by @astrofrog in #2435

Full Changelog: https://github.com/glue-viz/glue/compare/v1.13.0...v1.13.1

v1.13.0 - 2023-08-15

What's Changed

New Features

Add support for defining custom image stretches by @astrofrog in #2423

Bug Fixes

Set better starting xlim and ylim for custom viewers by @jfoster17 in #2422

Documentation

Update standalone application instructions by @astrofrog in #2426

Other Changes

Skip test_save_aggregate_slice for Numpy 1.25.x and unpin numpy-dev by @dhomeier in #2429
Move frontend-independent data/link parsing code from glue.qglue to glue.core by @astrofrog in #2432
Remove Qt-specific code being split into glue-qt by @astrofrog in #2431
Added glue-qt dependency by @astrofrog in #2433

Full Changelog: https://github.com/glue-viz/glue/compare/v1.12.0...v1.13.0

v1.12.0 - 2023-06-16

What's Changed

New Features

Add subtool for changing window title by @Carifio24 in #2407

Bug Fixes

Ensure lazy dask arrays become numpy arrays in calculate_histogram by @jfoster17 in #2412
Fix filter logic so that table viewer can hide main data layer by @jfoster17 in #2411
Fix Qt6 bug that prevented layers from being re-enabled by @jfoster17 in #2410

Full Changelog: https://github.com/glue-viz/glue/compare/v1.11.0...v1.12.0

v1.11.0 - 2023-05-25

What's Changed

New Features

New CircularAnnulusROI class to represent circular annulus ROI by @pllim in #2403
Add center and move_to methods to RangeSubsetState by @pllim in #2404
Add filter/search to table viewer by @jfoster17 in #2392
Add functionality for moving viewers between tabs by @Carifio24 in #2387

Bug Fixes

Disallow broken qtconsole 5.4.2 by @jfoster17 in #2396
Fix bugs with unit conversion when changing x/y attributes by @astrofrog in #2400
Make sure getitem always returns a numpy array by @jfoster17 in #2399

Other Changes

MNT: Remove unused .travis.yml by @pllim in #2401

Full Changelog: https://github.com/glue-viz/glue/compare/v1.10.0...v1.11.0

v1.10. - 2023-05-04

What's Changed

Bug Fixes

Fix subset creation with unit flip by @astrofrog in #2393
Avoid resetting limits when changing display units in profile viewer by @astrofrog in #2394

Documentation

Fix bad connections in tutorial examples by @Carifio24 in #2389

Other Changes

Make ROI.move_to() behave consistently and expose it at subset_state level by @pllim in #2391

Full Changelog: https://github.com/glue-viz/glue/compare/v1.9.1...v1.10.0

v1.9.1 - 2023-04-13

What's Changed

Other Changes

Use new location for pandas.testing by @jfoster17 in #2381
Only force reference data change if message indicates that numerical values of data have changed by @astrofrog in #2385

Full Changelog: https://github.com/glue-viz/glue/compare/v1.9.0...v1.9.1

v1.9.0 - 2023-04-03

What's Changed

New Features

Add a LinkSameWithUnits class that links respecting units by @astrofrog in #2379

Bug Fixes

Save legend state by @Carifio24 in #2380
Fix bugs related to generic BaseCartesianData subclasses by @astrofrog in #2344

Full Changelog: https://github.com/glue-viz/glue/compare/v1.8.1...v1.9.0

v1.8.1 - 2023-03-23

What's Changed

Bug Fixes

Fixed a bug in the plugin iteration on Python 3.8 and 3.9 by @neutrinoceros in #2377
Avoid interference of ROI patches with legend auto-placement by @dhomeier in #2370
Add pretransform for full-sphere selection by @Carifio24 in #2360
Only recreate table model when Data layer changes by @Carifio24 in #2372

Full Changelog: https://github.com/glue-viz/glue/compare/v1.8.0...v1.8.1

v1.8.0 - 2023-03-20

What's Changed

New Features

Relax longitude range in fullsphere projections by @Carifio24 in #2348

Bug Fixes

Update polar log transform test values to correct matplotlib 3.7 representation by @Carifio24 in #2366
Fix broken link editor under Qt5 by @jfoster17 in #2375

Documentation

DOC: Fix equivalent_units in examples by @pllim in #2369

Other Changes

Update link for slack invite by @astrofrog in #2362
Update stable version of standalone app to 2023.02.0 by @astrofrog in #2363
MNT: drop runtime dependency on pkg_resources (setuptools) by @neutrinoceros in #2365
BUG: handle deprecation warning from numpy 1.25 (np.product is deprecated in favour of np.prod) by @neutrinoceros in #2371

Full Changelog: https://github.com/glue-viz/glue/compare/v1.7.0...v1.8.0

v1.7.0 - 2023-02-02

What's Changed

New Features

Added ability to convert units in profile viewer by @astrofrog in #2296
Allow specifying visual attributes and colormap when faceting subsets by @Carifio24 in #2350

Bug Fixes

Pin numpy-dev to avoid GlueSerializer failure on numpy._ArrayFunctionDispatcher by @dhomeier in #2352
Represent None component.units as empty strings by @dhomeier in #2356
Ensure unit choices are updated when x_att is changed in profile viewer by @astrofrog in #2358

Full Changelog: https://github.com/glue-viz/glue/compare/v1.6.1...v1.7.0

v1.6.1 - 2023-01-24

What's Changed

Bug Fixes

More fixes for compatibility with Qt6 by @astrofrog in #2349
Fix world coordinates for 1D WCS by @astrofrog in #2345

Other Changes

API update to numpy 1.24 by @dhomeier in #2346

Full Changelog: https://github.com/glue-viz/glue/compare/v1.6.0...v1.6.1

v1.6.0 - 2022-11-03

What's Changed

New Features

Implement linking support for all BaseCartesianData subclasses and fix bugs that caused hanging in image viewer by @astrofrog in #2328
Add the ability to create one-to-one 'join_on_key'-type links to the GUI link editor by @jfoster17 in #2313
Allow specifying visual attributes when creating subset by @Carifio24 in #2333
Export color settings in matplotlib viewers by @Carifio24 in #2322
Add support for PyQt6 and PySide6 (<6.4) to Qt backends by @astrofrog in #2318

Bug Fixes

Redraw empty histogram layer by @Carifio24 in #2300
Apply foreground color to minor ticks by @Carifio24 in #2305
Don't change labels when using log scale axes by @Carifio24 in #2323
Fix bugs in BaseCartesianData.get_data for pixel and world component IDs by @astrofrog in #2327
Don't change labels when using log x axis in histogram viewer by @Carifio24 in #2325
Fix issue where matplotlib viewers using y log axes were not initialized correctly. by @Carifio24 in #2324
Force line collection to always respect colormap by @Carifio24 in #2299
Fix export to Python script to correctly use Coordinates or WCS in reference_data by @dhomeier in #2335
Add a check for FITS files mistaken as ASCII to astropy_table_read for Python 3.11 compatibility by @dhomeier in #2321

Documentation

Removed mention of defunct viz packages in Available plugins by @pllim in #2319
Add PyQt6 and PySide6 status to glue-deps information by @dhomeier in #2338

Other Changes

Require Python>=3.8 and PyQt5/PySide5>=5.14 by @astrofrog in #2334
Performance improvements for CompositeArray by @astrofrog in #2343

Full Changelog: https://github.com/glue-viz/glue/compare/v1.5.0...v1.6.0

v1.5.0 - 2022-06-28

What's Changed

New Features

Added rotation angle theta as a property to regions of interest,
to be set on instantiation or modified using the rotate_to and
rotate_by methods. #2235

Bug Fixes

Fixed a bug on setting a return view in compute_statistic when a subset
is defined, resulting in a broadcast error in arrays large enough to need
chunking. #2302

v1.4.0 - 2022-05-31

What's Changed

New Features

Add support for specifying visual attributes when creating a subset group. #2297
Add support for using degrees in full-sphere projections. #2279

Bug Fixes

Modify profile viewer so that when in 'Sum' mode, parts of profiles
with no valid values are NaN rather than zero. #2298

v1.3.0 - 2022-04-22

What's Changed

New Features

Modify scatter viewer so that axis labels are shown in tick marks
when in polar mode. #2267
Support toggling plotting profile viewer layer as steps. #2292

Bug Fixes

Reset limits in profile viewer when changing collapse function. #2277
Fixed a bug that caused an error when the table viewer tried to show
disabled layers. #2286
Fixed an issue where glue modified global logging settings. #2281

Other Changes

Remove bundled version of pvextractor and include it as a proper
dependency. #2252

v1.2.4 - 2022-01-27

What's Changed

Bug Fixes

Fixed a bug that caused selections to no longer work
in a scatter viewer once its projection had been changed. #2262
Fixed a bug which prevented serialization for polar plots in degree
mode. #2259
Fixed a bug that caused histograms and density maps to not work
correctly with attributes linked using join_on_key. #2242
Fixed issues in viewers when dask arrays were used. #2249

v1.2.3 - 2021-11-14

What's Changed

Bug Fixes

Fixed compatibility with Matplotlib 3.5.0. #2250
Fixed compatibility with Python 3.10 and recent versions of PyQt. #2258

Other Changes

Remove bottleneck dependency as it is no longer maintained. Certain
array operations may be slower as a result. #2258

v1.2.2 - 2021-09-16

What's Changed

Bug Fixes

Prevent resetting of image viewer limits when adding a dataset to the
viewer. #2232
Fixed home button for resetting limits in profile viewer. #2233
Fixed a bug that caused the visibility checkbox of layers in the profile
viewer to not always correctly. #2233
Fixed a bug that caused the profile viewer limits to be unecessarily
changed every time a subset was updated or a dataset was added. #2233

v1.2.1 - 2021-08-24

What's Changed

Bug Fixes

Fixed a bug that caused issues with packages depending on glue which
defined layer artists with no zorder on the artist class. #2226, #2227

v1.2.0 - 2021-08-14

What's Changed

New Features

Added a new WCSLink.as_affine_link method which can be used to find
an affine approximation to a WCSLink. #2219
Expose DataCollection.delay_link_manager_update which can be used
to delay any updating to the link tree when adding datasets. #2225
Allow CategoricalComponents to be n-dimensional. #2214
Improve usability of 2D scatter plot in non-cartesian projection. #2200

Bug Fixes

Avoid duplicate update of layer artist when creating a new layer. #2220

v1.1.0 - 2021-07-21

What's Changed

Bug Fixes

Fix compatibility with xlrd 2.0 and require openpyxl for .xlsx input. #2196
Fixed compatibility with recent releases of Matplotlib. #2196
Avoid warnings with recent releases of astropy. #2212
Fixed compatibility of auto-linking with all APE 14 WCSes. #2209

Other Changes

Dropped support for Python 3.6. #2196

v1.0.1 - 2020-11-10

What's Changed

Updated supported versions of jupyter_client. #2175

v1.0.0 - 2020-09-17

What's Changed

Remove bundled echo package and list as a dependency. #2125
Add the ability to export Python scripts for the profile viewer. #2082
Add support for polar and other non-rectilinear projections in
2-d scatter viewer #2170
Add legend for matplotlib viewers (in qt and in export scripts) #2097, #2144, #2146
Add new registry to apply in-place patches to the session file #2127
Initial support for dask arrays. #2137, #2149
Don't sync color and transparency of image layers by default. #2116
Python 2.7 and 3.5 are no longer supported. #2075
Always use replace mode when creating a new subset. #2090
Fixed bugs in the profile viewer that occurred when using the profile viewer and
setting reference_data to a different value than the default one. #2078
Updated the data loader to be able to select directories. #2077, #2080
Move spectral-cube data loader to glue-astronomy plugin package. #2077
Show session filename path in window title. #2096
Change Data.coords API to now rely on the API described in
https://github.com/astropy/astropy-APEs/blob/master/APE14.rst #2079
Update minimum required version of Astropy to 4.0. #2079
Added a DataCollection.clear() method to remove all datasets. #2079
Fixed a bug that caused profiles of subsets to not be hidden if an
existing subset was emptied. #2095
Improved IndexedData so that world coordinates can now be shown. #2081
Make loading Qt plugins optional when calling load_plugins. #2112
Preserve RectangularROI rather than converting them to PolygonalROI. #2112
Significantly improve performance of compute_fixed_resolution_buffer when
using linked datasets with some axes uncorrelated. #2115
Improve performance of profile viewer when not all layers are visible. #2115
Fixed missing .units on CoordinateComponent. #2117
Improve auto-linking of astronomical datasets with WCS information. #2161
Fix bug that occurred when using the GUI link editor when links had
been defined programmatically. #2166
Add the ability to programmatically set the preferred colormap for a
dataset using Data.visual.preferred_cmap #2131, #2168
Fix bug that caused incorrect unit to be shown on slider for images. #2159
Improve performance of Data.compute_statistic for subsets. #2147
Fix a bug where x_att and y_att could end up being out of sync in image viewer. #2141

v0.15.7 - 2020-03-12

What's Changed

Fix bug that caused an infinite loop in the table viewer and caused glue to
hang if too many incompatible subsets were in a table viewer. #2105
Fixed a bug that caused an error when an invalid data was added to the table
viewer and the table viewer was then automatically closed. #2103
Fixed the dropdowns for vector and error markers to not include datetime
components (since they represent absolute times, not deltas). #2102
Fixed a bug that caused session files that were saved with LinkCollection to
not work correctly when re-loaded. #2100
Fixed a bug that caused issues when saving and re-loading sessions that were
originally created using Excel data with string columns. #2101
Avoid converting circular selections in Matplotlib plots to polygons if
it can be avoided. #2094

v0.15.6 - 2019-08-22

What's Changed

Fixed bugs related to auto-linking of astronomical data with WCS information. In
particular, links between datasets with celestial coordinates in a different order
or links between some higher dimensional datasets with celestial axes did not
always work correctly. #2052
Fixed a bug that caused the auto-linking framework to not run when opening glue from
the qglue() function. #2052
Fixed a limitation that caused pixel selections to not propagate to other datasets.
#2052
Fixed a deprecation warning related to add_datasets. #2052
Fixed compatibility with Python 3.7.4. #2060
Fixed performance issue with arrays that were not in native C order. #2056

v0.15.5 - 2019-07-09

What's Changed

Fixed bug with density map visibility when using color-coding. #2041
Fixed bug with incompatible subsets and density maps. #2041
Make sure that lines/errors/vectors are disabled when in density map mode. #2041

v0.15.4 - 2019-07-08

What's Changed

Fixed bug that occurred when trying to add a subset to a new table
viewer (without the parent data). #2038

v0.15.3 - 2019-06-27

What's Changed

Fixed bugs related to the preferences dialog - first, the dialog would
not open if no auto-linkers were present, and second, the preferences
dialog would sometimes get sent behind the main application when editing
the color. #2034

v0.15.2 - 2019-06-24

What's Changed

Fixed a bug in autoconnect_callbacks_to_qt which caused some widgets
to not stay connect to state callback properties if a callback property
was linked to multiple widgets. #2032

v0.15.1 - 2019-06-24

What's Changed

Fixed __version__ variable. #2031
Fixed tox configuration. #2031
Improve error message if loading a session file that uses WCS auto-linking
but the installed version of astropy is too old. #2031

v0.15.0 - 2019-06-23

What's Changed

Added a new glue.core.coordinates.AffineCoordinates class for common
affine transformations, and also added documentation on defining custom
coordinates. #1994
Rewrote SubsetFacet (now SubsetFacetDialog), and updated the
available colormaps. #1998
Removed the ComponentSelector class. #1998
Make it possible to view only a subset of data in the table
viewer. #1988
Show dataset name in table viewer title. #1973
Expose an option (inherit_tools) on data viewer classes
related to whether tools should be inherited or not from
parent classes. #1972
Added a new method compute_fixed_resolution_buffer to data
objects (including the base data class) and use this for the
image viewer. This improves the case where images are reprojected
as they are now all reprojected to the screen resolution rather
than the resolution of the reference data, and this also opens
up the possibility of doing n-dimensional reprojection. #1895
Added initial infrastructure for developing auto-linking helpers
and implement an initial astronomy WCS auto-linker. #1933
Improve the user interface for the link editor. [#1934, #1998]
Added a new IndexedData class to represent a derived dataset produced
by indexing a higher-dimensional dataset. #1953
Removed plot.ly export plugin - this is now part of the glue-plotly
package. #1999
Fix path to data bundle when exporting Python scripts to another directory
than the one glue was run from. #2023
Added a --faulthandler command-line flag to help debug segmentation
faults. #1974
Removed glue.core.qt.roi submodule. This provided faster versions of
the Matplotlib ROI classes in glue.core.roi but the latter are now
efficient enough that the Qt-specific versions are no longer needed. #1983
Moved glue.viewers.common.qt.tool to glue.viewers.common.tool;
glue.viewers.common.qt.mouse_mode to glue.viewers.matplotlib.mouse_mode;
and glue.viewers.common.qt.toolbar_mode to glue.viewers.matplotlib.toolbar_mode
and glue.viewers.matplotlib.qt.toolbar_mode. #1984
Implement a human-readable str/repr for State objects. #2021
Avoiding importing Qt when using the base histogram and profile layer artists.
#2012
Fixed a bug that caused error bars to be colored incorrectly if NaN values
were present. #2020
Fixed compatibility with the latest versions of Matplotlib and Astropy. #2020
No longer suggest merging data by default whenever datasets are added to
the session. Merging different datasets should now be done manually through
the GUI. #2020
Fixed compatibility with Numpy 1.16.x. #1989
Improve tab-completion of attribute names in Data to not include
non-relevant items. #1971
Fix an error that occurred if creating a new viewer was
cancelled. #1952
Fix error in image viewer when using update_values_from_data. #1975
Exclude problematic versions of ipykernel from dependencies. #1952
Make sure that scrolling above a viewer does not result in the
whole canvas also scrolling. #1919
Fix bug that caused date/time columns in Excel files to not be
read in correctly.
Improve performance when reading in large non-FITS files. #1920
Fix bug that caused log parameter to be ignore for density plots. #1963
Fix bug that caused an error when using the profile collapse tool and
dragging from right to left. #2002
Fix bug that caused labels on the x-axis of the histogram viewer to
be incorrectly set to numbers instead of strings when showing a
histogram of a string variable and saving/reloading session. #2009

v0.14.2 - 2019-02-04

What's Changed

Fix bug that caused demo VO Table to not be read in correctly with
recent versions of Numpy and Astropy. #1911

v0.14.1 - 2018-11-23

What's Changed

Fix bug that caused the links based on join_on_key to not
always work. #1902

v0.14.0 - 2018-11-14

What's Changed

Improved how we handle equal aspect ratio to not depend on
Matplotlib. #1894
Avoid showing a warning when closing an empty tab. #1890
Fix bug that caused component arithmetic to not work if
Numpy was imported in user's config.py file. #1887
Added the ability to define custom layer artist makers to
override default layer artists in viewers. #1850
Fix Plot.ly exporter for categorical components and histogram
viewer. #1886
Fix issues with reading very large FITS files on some systems. #1884
Added documentation about plugins. #1837
Better isolate code related to pixel selection tool in image
viewer that depended on Qt. #1763
Improve handling of units in FITS files. #1723
Added documentation about creating viewers for glue using the
new state-based infrastructure. #1740
Make it possible to pass the initial state of a viewer to an
application's new_data_viewer method. #1877
Ensure that glue can be imported if QtPy is installed but PyQt
and PySide aren't. [#1865, #1836]
Fix unit display for coordinates from WCS headers that don't have
CTYPE but have CUNIT. #1856
Enable tab completion on Data objects. #1874
Automatically select datasets in link editor if there are only two. #1837
Change 'Export Session' dialog to offer to save with relative paths to data
by default instead of absolute paths. #1803
Added a new method screenshot on GlueApplication to save a
screenshot of the current view. #1808
Show the active subset in the toolbar. #1797
Refactored the viewer class base classes #1746:
- glue.core.application_base.ViewerBase has been removed in favor of
- glue.viewers.common.viewer.BaseViewer and
- glue.viewers.common.viewer.Viewer.
- glue.viewers.common.viewer.Viewer is now where the base logic is defined
- for using state classes in viewers (instead of
- glue.viewers.common.qt.DataViewerWithState).
- glue.viewers.common.qt.DataViewerWithState is now deprecated.
Make it so that the modest image only resamples the data when the
mouse is no longer pressed - this avoids too many refreshes when
panning/zooming. #1866
Make it possible to unglue multiple links in one go. #1809
Make it so that adding a subset to a viewer no longer adds the
associated data, since in some cases the viewer can handle the
subset size, but not the full data. #1807
Defined a new abstract base class for all datasets, BaseData,
and a base class BaseCartesianData,
which can be used to implement interfaces to datasets that may be
remote or may not be stored as regular cartesian data. #1768
Add a new method Data.compute_statistic which can be used
to find scalar and array statistics on the data, and use for
the profile viewer and the state limits helpers. #1737
Add a new method Data.compute_histogram which can be used
to find histograms of specific components, with or without
subsets applied. #1739
Removed Data.get_pixel_component_ids and Data.get_world_component_ids
in favor of Data.pixel_component_ids and Data.world_component_ids.
#1784
Deprecated Data.visible_components and Data.primary_components. #1788
Speed up histogram calculations by using the fast-histogram package instead of
np.histogram. #1806
In the case of categorical attributes, Data[name] now returns a
categorical_ndarray object rather than the indices of the categories. You
can access the indices with Data[name].codes and the unique categories
with Data[name].categories. #1784
Compute profiles and histograms asynchronously when dataset is large
to avoid holding up the UI, and compute profiles in chunks to avoid
excessive memory usage. [#1736, #1764]
Improved naming of components when merging datasets. #1249
Fixed an issue that caused residual references to viewers
after they were closed if they were accessed through the
IPython console. #1770
Don't show layer edit options if layer is not visible. #1805
Make the Matplotlib viewer code that doesn't depend on Qt accessible
to non-Qt frontends. #1841
Avoid repeated coordinate components in merged datasets. #1792
Fix bug that caused new subset to be created when dragging an existing
subset in an image viewer. #1793
Better preserve data types when exporting data/subsets to FITS
and HDF5 formats. #1800

v0.13.4 - 2018-10-19

What's Changed

Fix bug that caused .svg icons to not be correctly installed. #1882
Fix bug that occurred in certain cases when using the state attribute limit
helper with a state class that did not have a log attribute. #1842
Fix HDF5 reader for string columns. #1840
Fix visual bug in link editor in advanced mode when resizing window.
Fixed a bug that caused custom data importers to no longer work. #1813
Fixed a bug that caused ROIs to not be erased after selection if the
active subset was not in the list of layers for the viewer. #1801
Always returned to last used folder when opening/saving files. #1794
Show correct dataset when using control-click to select to add
arithmetic attributes or rename/reorder components. #1802
Improve performance when updating links and changing attributes
on subsets. #1716
Fix errors that happened when clicking on the 'Export Data' and
'Define arithmetic attributes' buttons when no data was present,
and fixed Qt errors that happened if the data collection changed
after the 'Export Data' dialog was opened. #1795
Fixed parsing of AVM meta-data from images. #1732
Fixed compatibility with Matplotlib 3.0. #1875

v0.13.3 - 2018-05-08

What's Changed

Fixed a bug that caused the expression for derived attributes to
not immediately be updated in the list of derived attributes. #1708
Fixed a bug that caused combo boxes with Data objects to not update
when a data label was changed. #1704
Fixed a bug related to callback functions when restoring sessions.
#1695
Fixed a bug that meant that setting Data.coords after adding
components didn't work as expected. #1196
Fixed bugs related to components with only NaN or Inf values.
#1712
Fixed a bug that caused an error when the zoom or pan tools were
active and the viewer was closed. #1712
Fixed a Qt-related segmentation fault that occurred during the
testing process and may also affect users. #1703
Show image layer attribute in list of layers. #1706
Fixed a bug that caused scatter plots to not revert to fixed color
mode after being in linear color mode. #1705

v0.13.2 - 2018-05-01

What's Changed

Fixed a bug that caused the EditSubsetMode toolbar to not change
when EditSubsetMode.mode was changed programatically. #1684
Fixed unintuitive behavior of single-pixel selection tool - now
moving the crosshairs requires clicking and dragging. #1684
Fixed bug that caused crosshairs to not be hidden when a layer was
set to not be visible #1684
Fixed a bug that caused viewers to be closed without warning when
pressing delete. #1684

v0.13.1 - 2018-04-29

What's Changed

Fixed resetting and opening of sessions which caused Glue to quit. #1681
Fixed serialization of Data.meta when non-serializable keys or values
are present. #1681

v0.13.0 - 2018-04-27

What's Changed

Added new perceptually uniform Matplotlib colormaps. #1679
Fixed a bug that caused vectors to not correctly be flipped when
flipping the x/y limits of the plot. #1677
Added a CSV and HDF5 data/subset exporter. #1676
Started adding helpful information dialogs that can be
hidden. #1669
Make it possible to have a 'None' entry in the ComponentIDComboHelper. #1661
Added a new metadata/header viewer for datasets/subsets. #1659
Re-write spectrum viewer into a generic profile viewer that uses
subsets to define the areas in which to compute profiles rather
than custom ROIs. #1635
Added support for PySide2 and remove support for PyQt4 and
PySide. #1662
Remove support for Matplotlib 1.5. #1662
Renamed qt4_to_mpl_color to qt_to_mpl_color and
mpl_to_qt4_color to mpl_to_qt_color. #1662
Improve performance when changing visual attributes of subsets.
#1617
Removed glue.core.qt.data_combo_helper (we now recommend using
the GUI framework-independent equivalent in
glue.core.data_combo_helper). #1625
Removed glue.viewers.common.qt.attribute_limits_helper in favor
of glue.core.state_objects. #1625
Removed unused function glue.utils.misc.defer. #1625
Added a new FloodFillSubsetState class to represent and
calculate subsets made by a flood-fill algorithm. #1616
Added the ability to easily create viewer tools with dropdown
menus. #1634
Remove the MatplotlibViewerToolbar class as it is now no
longer needed - instead you can just list the matplotlib tools
directly in the tools attribute of the viewer. #1634
Improve hiding/showing of side-panels. No longer hide side-panels
when glue application goes out of focus. #1535
Use memory-mapping with contiguous arrays in HDF5 files, resulting
in improved performance for large files. #1628
Deselect tools when the viewer focus changes. [#1584, #1608]
Added support for whether symbols are shown filled or not. #1559
Improved link editor to include a graph of links. #1534
Improve mouse interaction with ROIs in image viewers, including
click-and-drag relocation. Allow for more customization of mouse/toolbar
modes. #1515
Add a toolbar item to save data. [#1516, #1519, #1575]
Give instructions for how to move selections in status tip. #1504
Improve the display of data cube slice labels to include only the
precision required given the separation of world coordinate values.
[#1500, #1660]
Removed the ability to edit the marker symbol in the style dialog
since this isn't recognized by any viewer anymore. #1560
Remove back/forward tools in Matplotlib viewer toolbars to
declutter. #1505
Added a new component manager that makes it possible to rename,
reorder, and remove components, as well as better manage derived
components, including editing previous equations. #1479
Added new messages DataReorderComponentMessage and
DataRenameComponentMessage which can be subscribed to. #1479
Add support for the datetime64 dtype in Data objects, and adjust
Matplotlib viewers to correctly show this data. #1510
Make it possible to reorder components in Data using the new
Data.reorder_components method. #1479
The default order of components has changed - coordinate components
will now always come first (rather than second). #1479
Added support for scatter density maps, which is useful when making
scatter plots of many points. #1461
Improve how ComponentIDComboHelper deals with non-primary components.
The .visible property has been removed, and a new .derived property
has been added (to show/hide derived components). Components are now
split up into sections in the combo boxes. #1476
Fixed a bug that caused ghost components to be added when creating a
derived component with data[...] = ... #1476
Fixed a bug that caused errors when removing items from a selection
property linked to a QComboBox. #1476
Added initial support for customizing keyboard shortcuts. [#1475, #1514, #1524]
Added support for using relative paths in session files. #1537
Remember last session filename and filter used. #1537
EditSubsetMode is now no longer a singleton class and is
instead instantiated at the Application/Session level. #1530
Improve performance of image viewer. #1558
Added new Projected3dROI and RoiSubsetState3d classes
to represent 3D selections made in the projection plane. #1522
Fixed saving of sessions with BinaryComponentLink. #1533
Refactored/simplified handling of links between datasets and
fixed performance issues when adding/removing links or loading
data collections with many links. [#1531, #1533]
Significantly improve performance of link computations when the
links depend only on pixel or world coordinate components. #1585
Added the ability to customize the appearance of tick and axis
labels in Matplotlib plots. #1511
Added the ability to export Python scripts from the main
Matplotlib-based viewers. #1511
Added a new selection mode that always forces the creation of a new subset.
#1525
Added a mouse over pixel selection tool, which creates a one pixel subset
under the mouse cursor. #1619
Fixed an issue that caused sliders to not be correctly updated when
switching reference data in the image viewer. #1665
Fixed a bug that caused Data.meta to not be saved/restored from session
files. #1668
Fixed an issue that caused an IndexError when quitting glue in some
cases. #1657
Fixed a bug that caused matplotlibrc files to not be ignored. #1649
Fixed a non-deterministic error that happened when closing the
TableViewer. https://github.com/glue-viz/glue/pull/7310
Fixed size of markers when value for size is out of vmin/vmax range. #1609
Fix a bug that caused viewer limits to be calculated incorrectly if
inf/-inf values were present in the data. #1614
Fixed a bug which caused the y-axis in the PV slice viewer to be
incorrect if the WCS could not be computed. #1615
Fixed a bug that caused the WCS of a PV slice to be incorrect if the
user has selected a custom order of the axes of a cube in the image
viewer. #1615
Fixed ticks on log x-axis in histogram viewer. https://github.com/glue-viz/glue/pull/7310
Fixed a bug that led to poor performance when slicing through data cubes.
#1554

v0.12.5 - 2018-03-10

What's Changed

Fixed a bug which caused the current slices to be lost when adding a second
dataset to the image viewer. #1581
Fixed a bug when two datasets with a different number of dimensions
were in an image viewer and a subset was created. #1577
Fixed issues when attempting to close a viewer with the delete key. #1574
Disabled default Matplotlib key bindings. #1574
Fix compatibility with Matplotlib 2.2. #1566
Fix compatibility with some versions of pytest. #1520
Fix calculation of dependent_axes to account for cases where there
are some non-zero non-diagonal PC values. Previously any such values
resulted in all axes being returned as dependent axes even though this
isn't necessary. #1552
Avoid prompting users multiple times to merge data when dragging
and dropping multiple data files onto glue. #1564
Improve error message in PV slicer when _slice_index fails. #1536
Fixed a bug that caused an error when trying to save a session that
included an image viewer with an aggregated slice. #1561
Fixed a bug that caused an error in the terminal if creating a data
viewer failed properly (with a GUI error message). #1501
Fixed a bug that caused performance issues when hiding all image
layers from an image viewer. [#1557, #1562]
Fixed a bug that caused layers to not always be properly removed
when deleting a row from the layer list. #1502
Make JSON circular reference errors more explicit. #1529

v0.12.4 - 2018-01-09

What's Changed

Improve plugin loading to be less sensitive to exact versions of
installed dependencies for plugins. #1487

v0.12.3 - 2017-11-14

What's Changed

Fixed issues with PV slicer and spectrum viewer when changing axes
in the parent image viewer.

v0.12.2 - 2017-11-09

What's Changed

Fix a bug when renaming tabs through the UI. #1470
Fix a bug that caused the 1D and 2D viewers to not update correctly
when the numerical values in data were changed. #1471
Fix a bug that caused exporting of subsets to not work with integer
data. #1472

v0.12.1 - 2017-10-30

What's Changed

Fix a bug that caused glue to crash when adding components to a dataset
after closing a viewer that had that data. [#1460, #1464]

v0.12.0 - 2017-10-25

What's Changed

Show a GUI error message when restoring a session via drag-and-drop
if session loading fails. #1454
Don't disable layer completely if it is not enabled, just disable checkbox.
Also show warnings instead of layer style editor. #1451
Generalize registry for data/subset actions to replace the former
single_subset_action registry (which applied only to single subset selections).
Layer actions can now be registered with the @layer_action decorator. #1396
Added support for plotting vectors in the scatter plot viewer. #1410
Added glue plugins to the Version Information dialog. #1427
Added the ability to create fixed layout tabs. #1403
Fix selection in custom viewers. #1453
Fix a bug that caused the home/reset limits button to not work correctly. #1452
Fix a bug that caused the wrong layers to be enabled when mixing image and
scatter layers and setting up links. #1451
Remove 'sep' from menu on Linux. #1394
Fixed bug in spectrum tool that caused the upper range in aggregations
to be incorrectly calculated. #1402
Fixed icon for scatter plot layer when a colormap is used, and fix issues with
viewer layer icons not updating immediately. #1425
Fixed dragging and dropping session files onto glue (this now loads the session
rather than trying to load it as a dataset). Also now show a warning when
the application is about to be reset to open a new session. [#1425, #1448]
Make sure no errors happen if making a selection in an empty viewer. #1425
Fix creating faceted subsets on Python 3.x when no dataset is selected. #1425
Fix issues with overlaying a scatter layer on an image. #1425
Fix issues with labels for categorical axes in the scatter and histogram
viewers, in particular when loading viewers with categorical axes from
session files. #1425
Make sure a GUI error message is shown when adding non-1-dimensional data
to a table viewer. #1425
Fix issues when trying to launch glue multiple times from a Jupyter session.
#1425
Remove the ability to define the color of a subset differ from that of a
subset group it belongs to - this was virtually never needed but could
cause issues. #1426
Fixed a bug that caused a previously disabled image subset layer to not
become visible when shown again. #1450
Added the ability to rename tabs programmatically. #1405

v0.11.1 - 2017-08-25

What's Changed

Fixed bug that caused ModestImage references to not be properly deleted, in
turn leading to issues/crashes when removing subsets from image viewers. #1390
Fixed bug with reading in old session files with a table viewer. #1389

v0.11.0 - 2017-08-22

What's Changed

Added splash screen. #694
Make file extension check case-insensitive. #1275
Fixed bug that caused table viewer to not update when adding components. #1386
Fixed loading of plain (non-structured) arrays from Numpy files. [#1314, #1385]
Disabled layer artists can no longer be selected to avoid any confusion. #1367
Layer artist icons can now show colormaps when appropriate. #1367
Fix behavior of data wizard so that it doesn't overwrite labels set by data
factories. #1367
Add a status tip for all ROI selection tools. #1367
Fixed a bug that caused the terminal to not be available after
resetting or opening a session. #1366
If a subset's visual properties are changed, change the visual
properties of the parent SubsetGroup. #1365
Give an error if the user selects a session file when going through
the 'Open Data Set' menu. #1364
Improved scatter plot viewer to be able to show points with color or
size based on other attributes. Also added a 'line' style to make line
plots, and added the ability to show error bars. #1358
Changed order of arguments for data exporters from (data, filename)
to (filename, data). #1251
Added registry decorators to define subset mask importers and
exporters. #1251
Get rid of QTimers for updating the data collection and layer artist
lists, and instead refresh whenever a message is sent from the hub
(which results in immediate changes rather than waiting up to a
second for things to change). #1343
Made it possible to delay callbacks from the Hub using the
Hub.delay_callbacks context manager. Also fixed the Hub so that
it uses weak references to classes and methods wherever possible. #1339
Added a new method DataCollection.remove_link to match existing
DataCollection.add_link. #1339
Fix a bug that caused no messages to be emitted when components were
removed from Data objects, and add a new DataRemoveComponentMesssage.
#1339
Fix a long-standing bug which caused performance issues after linking
coordinate or derived components between datasets. #1339
Added a function is_equivalent_cid that can be used to determine whether
two component IDs in a dataset are equivalent. #1339
The image contrast and bias can now be set with the left click as well
as right click. #1323
Updated ComponentIDComboHelper so that it can work with single datasets
that aren't necessarily attached to a DataCollection. #1296
Updated bundled version of echo to include fixes to avoid circular
references, which in turn caused some callback functions to not be
cleaned up. #1281
Rewrote the histogram, scatter, and image viewers to use the new state
infrastructure. This significantly simplifies the actual histogram viewer code
both in terms of number of lines and in terms of the number of
connections/callbacks that need to be set up manually. [#1278, #1289, #1388]
Updated EditSubsetMode so that Data objects no longer have an edit_subset
attribute - instead, the current list of subsets being edited is kept in
EditSubsetMode itself. We also update the subset state only once on each
subset group, rather than once per dataset, which avoids doing the same
update to each dataset multiple times. #1338
Remove the ability to create a new viewer by right-clicking on the canvas,
since this causes confusion when trying to control-click to paste in the
IPython terminal. #1342
Make process_dialog more robust. #1333
Fix example of setting up a custom preferences pane. #1326
Fix a bug that caused links to not get removed if associated datasets
were removed. #1329
Fixed a bug that meant that the table viewer did not update when
a NumericalDataChangedMessage message was emitted. #1378
Added new combo helpers in glue.core.data_combo_helper which
are similar to those in glue.core.qt.data_combo_helper but
operate on SelectionCallbackProperty and are Qt-independent.
#1346
Rewrote installation instructions. #1330

v0.10.4 - 2017-05-23

What's Changed

Fixed a bug that caused merged datasets to crash viewers (because
the visible_components attribute returned an empty list). #1288

v0.10.3 - 2017-04-20

What's Changed

Fixed bugs with saving and restoring of various types of subset states. #1285
Fixed a bug that caused glue to not open when IPython 4.0 was installed. #1287

v0.10.2 - 2017-03-22

What's Changed

Fixed a bug that caused components that were linked to then disappear from
drop-down lists of available components in new viewers. #1270
Fixed a bug that caused Data.find_component_id to return incorrect results
when string components were present in the data. #1269
Fixed a bug that caused errors to appear in the console log after a
table viewer was closed. #1267
Fixed a bug that caused error message dialogs to not work correctly with
Qt4. #1262
Fixed a deprecation warning for pandas >= 0.19. #1263
Hide common Matplotlib warnings when min/max along an axis are equal. #1268
Fixed a bug that caused sessions with table viewers that had no subsets
to not be restored correctly. #1271

v0.10.1 - 2017-03-16

What's Changed

Fixed compatibility with session files from before v0.8. #1243
Renamed package to glue-core, since glueviz is now a meta-package (no need
for a new major version since this change should be seamless to users).

v0.10.0 - 2017-02-14

What's Changed

The GlueApplication.add_data and load_data methods now return the
loaded data objects. #1239
Change default name of subsets to include the word 'Subset'. #1234
Removed ginga plugin from core package and moved it to a separate repository
at https://github.com/ejeschke/glue-ginga.
Switch from using bundled WCSAxes to using the version in Astropy, and fixed
an issue that caused the frame of the axes to be too thick. #1231
Make it possible to define a default index for DataComboHelper - this makes
it possible for viewers to have three DataComboHelper and ensure that they
default to different attributes. #1163
Deal properly with adding Subset objects to DataComboHelper. #1163
Added the ability to export data and subset from the data collection view via
contextual menus. It was previously possible to export only the mask itself,
and only to FITS files, but the framework for exporting data/subsets has now
been generalized.
When hiding layers in the RGB image viewer, make sure the current layer changes
to be a visible one if possible.
Avoid merging IDs when creating identity links. The previous behavior of
merging was good for performance but made it impossible to undo the linking by
un-glueing. Derived components created by links are now hidden by default.
Finally, ComponentID objects now hold a reference to the first parent data
they are used in. #1189
Added a decorator that can be used to avoid circular calling of methods (can
occur when dealing with callbacks). #1207
Drop support for IPython 3.x and below, and make IPython and qtconsole into
required dependencies. #1145
Added new classes that can be used to hold the state of e.g. viewers and other
objects. These classes allow callbacks to be attached to various properties,
and can be used to define logical relations between different attributes
in a GUI-independent way.
Fix selections when using Matplotlib 2.x, PyQt5 and a retina display. #1236
Updated ComponentIDComboHelper to no longer store (cid, data) as the
userData but instead just the cid (the data is now accessible via
cid.parent). #1212
Avoid duplicate toolbar in dendrogram viewer. [#1213, #1237]
Fixed bug that caused the contrast to change for the incorrect layer in the
RGB image viewer.
Fixed bug that caused coordinate information to be lost when merging datasets.
The original behavior of keeping the coordinate information from the first
dataset has been restored. #1186
Fix Data.update_values_from_data to make sure that original component order
is preserved. #1238
Fix Data.components to return original component order, not alphabetical order.
#1238
Fix significant performance bottlenecks with WCS coordinate conversions. #1185
Fix error when changing the contrast radio button the RGB image viewer mode,
and also fix bugs with setting the range of values manually. #1187
Fix a bug that caused coordinate axis labels to be lost during merging. #1195
Fix a bug that caused tab names to not be saved and restored to/from session
files. [#1241, #1242]

v0.9.1 - 2016-11-01

What's Changed

Fixed loading of session files made with earlier versions of glue that
contained selections made in 3D viewers. #1160
Fixed plotting of fit on spectrum to make sure that the two are properly
aligned. #1158
Made it possible to now create InequalitySubsetStates for
categorical components using e.g. d.id['a'] == 'string'. #1153
Fixed a bug that caused selections to not propagate properly between
linked images and cubes. #1144
Make last interval of faceted subsets inclusive so as to make sure all values
in the faceted subset range end up in a subset. #1154

v0.9.0 - 2016-10-10

What's Changed

Fix serialization of celestial coordinate link functions. Classes
inheriting from MultiLink should now call MultiLink.__init__ with
individual components (not grouped into left/right) then the create_links
method with the components separated into left/right and the methods for
forward/backward transformation. The original behavior can be retained
by using the multi_link function instead of the MultiLink class.
#1139
Improve support for spectral cubes. #1075
Allow link functions/helpers to define a category using the category=
argument (which defaults to General), and make it possible to filter
by category in the link editor. #1141
Only show the 'waiting' cursor when glue is doing something. #1097
Make sure that the scatter layer artist style editor is shown when overplotting
a scatter plot on top of an image. #1134
Data viewers can now make layer_style_widget_cls a dictionary in cases
where multiple layer artist types are supported. #1134
Fix compatibility of test suite with pytest 3.x. #1116
Updated bundled version of WCSAxes to v0.9. #1089
Fix compatibility with pre-releases of Matplotlib 2.0. #1115
Implement new widget with better control over exporting to Plotly. The
preference pane for Plotly export has now been removed in favor of this new
way to set the options. #1057
Renamed the ComponentIDComboHelper and ManualDataComboHelper
append methods to append_data and the remove methods to
remove_data, and added a new ComponentIDComboHelper.set_multiple_data
method. #1060
Fixed reading of units from FITS and VO tables, and display units in
table viewer. [#1135, #1137]
Make use of the QtPy package to deal with differences between PyQt4, PyQt5,
and PySide, instead of the custom qt-helpers package. The
glue.external.qt package is now deprecated. The get_qapp and
load_ui functions are now available in glue.utils.qt.
[#1018, #1074, #1077, #1078, #1081]
Avoid raising a (harmless) error when selecting a region in between two
categorical components.
Added a new Data method, update_values_from_data, that can be used to replicate
components from one dataset into another. #1112
Refactored code related to toolbars in order to make it easier to define
toolbars and toolbar modes that aren't Matplotlib-specific. [#1085, #1120]
Added a new table viewer. [#1084, #1123]
Fix saving/loading of categorical components. #1084
Make it possible for tools to define a status bar message. #1084
Added a command-line option, --no-maximized, that prevents glue
from opening up with the application window maximized. [#1093, #1126]
When opening multiple files in one go, if one of the files fails to
read, the error will now indicate which file failed. #1104
Fixed a bug that caused new subset colors to incorrectly start from the start
of the color cycle after loading a session. #1055
Fixed a bug that caused the functionality to execute scripts (glue -x) to not
work in Python 3. [#1101, #1114]
The minimum supported version of Astropy is now 1.0, and the minimum
supported version of IPython is now 1.0. #1076
Show world coordinates and units in the cube slicer. [#1059, #1068]
Fix errors that occurred when selecting categorical data. #1069
Added experimental support for joining on multiple keys in join_on_key. #974
Fix compatibility with the latest version of ginga. #1063

v0.8.2 - 2016-07-06

What's Changed

Implement missing MaskSubsetState.copy. #1033
Ensure that failing data factory identifier functions are skipped. #1029
The naming of pixel axes is now more consistent between data with 3 or
fewer dimensions, and data with more than 3 dimensions. The naming is now
always Pixel Axis ? where ? is the index of the array, and for
datasets with 1 to 3 dimensions, we add a suffix e.g. [x] to indicate
the traditional axes. #1029
Implemented a number of performance improvements, including for: the check
of whether points are in polygon (points_inside_poly), the selection of
polygonal regions in multi-dimentional cubes when the selections are along
pixel axes, the selection of points in scatter plots with one or two
categorical components for rectangular, circular, and polygonal regions.
#1029
Fix a bug that caused multiple custom viewer classes to not work properly
if the user did not override _custom_functions (which was private).
#810
Make sure histograms are updated if only the attribute changes and the
limits and number of bins stay the same. #1012
Fix a bug on Windows that caused drag and dropping files onto the glue
application to not work. #1007
Fix compatibility with PyQt5. #1015
Fix a bug that caused ComponentIDComboHelper to not take into account the
numeric and categorical options in __init__. #1014
Fix a bug that caused saving of scatter plots to SVG files to crash. #984

v0.8.1 - 2016-05-25

What's Changed

Fixed a bug in the memoize function that caused selections using
ElementSubsetState to fail when using views on the data. #1004
Explicitly set the icon size for the slicing playback controls to avoid
issues when using a mix of retina and non-retina displays. #1005
Fixed a bug that caused add_datasets to crash if datasets was a list of
lists of data, which is possible if a data factory returns more than one data
object. #1006

v0.8.0 - 2016-05-23

What's Changed

Add support for circular and polygonal spectrum extraction. [#994, #1003]
Fix compatibility with latest developer version of Numpy which does not allow
non-integer indices for arrays. #1002
Add a new method add_data to application instances. This allows for
example additional data to be passed to glue after being launched by
qglue. #993
Add playback controls to slice widget. #971
Add tooltip for data labels so that long labels can be more easily
inspected. #912
Added a new helper class AttributeLimitsHelper to link widgets related to
setting limits and handle the caching of the limits as a function of
attribute. #872
Add Quit menu item for Linux and Windows. #926
Refactored the window for sending feedback to include more version
information, and also to have a separate form for feedback and crash
reports. #955
Add log= option to ValueProperty and remove mapping= option. #965
Added helper classes for ComponentID and Data combo boxes. #891
Improved new component window: expressions can now include math or numpy
functions by default, and expressions are tested on-the-fly to check that
there are no issues with syntax or undefined variables. #956
Fixed D3PO export when using Python 3. #989
Fixed display of certain error messages when using Python 3. #989
Add an extensible preferences window. #988
Add the ability to change the foreground and background color for viewers.
#988
Fixed a bug that caused images to appear over-pixellated on the edges when
zooming in. #1000
Added an option to control whether warnings are shown when passing large data objects to viewers. #999

v0.7.3 - 2016-05-04

What's Changed

Remove icons for actions that appear in contextual menus, since these
appear too large due to a Qt bug. #911
Add missing find_spec for import hook, to avoid issues when trying to set
colormap. #930
Ignore extra dimensions in WCS (for instance, if the data is 3D and the
header is 4D, ignore the 4th dimension in the WCS). #935
Fix a bug that caused the merge window to appear multiple times, make sure
that all components named PRIMARY get renamed after merging, and make sure
that the merge mechanism is also triggered when opening datasets from the
command-line. #936
Remove the scrollbars added in v0.7.1 since they cause issues on certain
systems. #953
Fix saving of ElementSubsetState to session files. #966
Fix saving of Matplotlib colormaps to session files. #967
Fix the selection of the default viewer based on the data shape. #968
Make sure that no combo boxes get resized based on the content (unless
strictly needed). #978

v0.7.2 - 2016-04-05

What's Changed

Fix a bug that caused string columns in FITS files to not be read
correctly, and updated coerce_numeric to give a ValueError for string
columns that can't be convered. #919
Make sure main window title is set. #914
Fix issue with FITS files that are missing an END card. #915
Fix a bug that caused values in exponential notation in text fields to lose
a trailing zero (e.g. 1.000e+10 would become 1.000e+1). #925

v0.7.1 - 2016-03-30

What's Changed

Fix issue with small screens and layer and viewer options by adding
scrollbars. #902
Fixed a failure due to a missing Qt import in glue.core.roi. #901
Fixed a bug that caused an abort trap if the filename specified on the
command line did not exist. #903
Gracefully skip vector columnns when reading in FITS files. #896
Change default gray color to work on black and white backgrounds. #906
Fixed a bug that caused the color in the scatter and histogram style
editors to not show the correct initial color. #907

v0.7.0 - 2016-03-10

What's Changed

Python 2.6 is no longer supported. #804
Added a generic QColorBox widget to pick colors, and an associated
connect_color helper for callback properties. #864
Added a generic QColormapCombo widget to pick colormaps.
The artist_container argument to client classes has been renamed to
layer_artist_container. #814
Added documentation about how to use layer artists in custom Qt data viewers.
#814
Fixed missing newline in Data.__str__. #877
A large fraction of the code has been re-organized, which may lead to some
imports in config.py files no longer working. However, no functionality
has been removed, so this can be fixed by updating the imports to reflect the
new locations.
In particular, the following utilities have been moved:
glue.qt.widget_properties | glue.utils.qt.widget_properties
glue.qt.decorators | glue.utils.qt.decorators
glue.qt.qtutil.mpl_to_qt4_color | glue.utils.qt.colors.mpl_to_qt4_color
glue.qt.qtutil.qt4_to_mpl_color | glue.utils.qt.colors.qt4_to_mpl_color
glue.qt.qtutil.pick_item | glue.utils.qt.dialogs.pick_item
glue.qt.qtutil.pick_class | glue.utils.qt.dialogs.pick_class
glue.qt.qtutil.get_text | glue.utils.qt.dialogs.get_text
glue.qt.qtutil.tint_pixmap | glue.utils.qt.colors.tint_pixmap
glue.qt.qtutil.cmap2pixmap | glue.utils.qt.colors.cmap2pixmap
glue.qt.qtutil.pretty_number | glue.utils.qt.PropertySetMixin
glue.qt.qtutil.Worker | glue.utils.qt.threading.Worker
glue.qt.qtutil.update_combobox | glue.utils.qt.helpers.update_combobox
glue.qt.qtutil.PythonListModel | glue.utils.qt.python_list_model.PythonListModel
glue.clients.tests.util.renderless_figure | glue.utils.matplotlib.renderless_figure
glue.core.util.CallbackMixin | glue.utils.misc.CallbackMixin
glue.core.util.Pointer | glue.utils.misc.Pointer
glue.core.util.PropertySetMixin | glue.utils.misc.PropertySetMixin
glue.core.util.defer | glue.utils.misc.defer
glue.qt.mime.PyMimeData | glue.utils.qt.mime.PyMimeData
glue.qt.qtutil.GlueItemWidget | glue.utils.qt.mixins.GlueItemWidget
glue.qt.qtutil.cache_axes | glue.utils.matplotlib.cache_axes
glue.qt.qtutil.GlueTabBar | glue.utils.qt.helpers.GlueTabBar
[#827, #828, #829, #830, #831]
glue.clients.histogram_client | glue.viewers.histogram.client
glue.clients.image_client | glue.viewers.image.client
glue.clients.scatter_client | glue.viewers.scatter.client
glue.clients.layer_artist.LayerArtist | glue.clients.layer_artist.MatplotlibLayerArtist
glue.clients.layer_artist.ChangedTrigger | glue.clients.layer_artist.ChangedTrigger
glue.clients.layer_artist.LayerArtistContainer | glue.clients.layer_artist.LayerArtistContainer
glue.clients.ds9norm | glue.viewers.image.ds9norm
glue.clients.profile_viewer | glue.plugins.tools.spectrum_viewer.profile_viewer
glue.clients.util.small_view | glue.core.util.small_view
glue.clients.util.small_view_array | glue.core.util.small_view_array
glue.clients.util.visible_limits | glue.core.util.visible_limits
glue.clients.util.tick_linker | glue.core.util.tick_linker
glue.clients.util.update_ticks | glue.core.util.update_ticks
glue.qt.widgets.histogram_widget | glue.viewers.histogram.qt
glue.qt.widgets.scatter_widget | glue.viewers.scatter.qt
glue.qt.widgets.histogram_widget | glue.viewers.image.qt
glue.qt.widgets.table_widget | glue.viewers.table.qt
glue.qt.widgets.data_viewer | glue.viewers.common.qt.data_viewer
glue.qt.widgets.mpl_widget | glue.viewers.common.qt.mpl_widget
glue.qt.widgets.MplWidget | glue.viewers.common.qt.mpl_widget.MplWidget
glue.qt.glue_toolbar | glue.viewers.common.qt.toolbar
glue.qt.custom_viewer | glue.viewers.custom.qt
#835
glue.qt.glue_application.GlueApplication | glue.app.qt.application.GlueApplication
glue.qt.plugin_manager.QtPluginManager | glue.app.qt.plugin_manager.QtPluginManager
glue.qt.feedback.FeedbackWidget | glue.app.qt.feedback.FeedbackWidget
glue.qt.widgets.glue_mdi_area | glue.app.qt.mdi_area
glue.qt.widgets.terminal | glue.app.qt.terminal
glue.qt.qt_roi | glue.core.qt.roi
glue.core.qt.simpleforms | glue.core.qt.simpleforms
glue.qt.widgets.style_dialog | glue.core.qt.style_dialog
glue.qt.layer_artist_model | glue.core.qt.layer_artist_model
glue.qt.widgets.custom_component_widget | glue.dialogs.custom_component.qt
glue.qt.link_editor | glue.dialogs.link_editor.qt
glue.qt.widgets.subset_facet | glue.dialogs.subset_facet.qt
glue.qt.mouse_mode | glue.viewers.common.qt.mouse_mode
glue.qt.data_slice_widget | glue.viewers.common.qt.data_slice_widget
glue.qt.widgets.layer_tree_widget | glue.app.qt.layer_tree_widget
glue.qt.widgets.message_widget | glue.core.qt.message_widget
glue.qt.widgets.settings_editor | glue.app.qt.settings_editor
glue.qt.qtutil.data_wizard | glue.dialogs.data_wizard.qt.data_wizard
glue.qt.mime | glue.core.qt.mime
glue.qt.qtutil.ComponentIDCombo | glue.core.qt.component_id_combo
glue.qt.qtutil.RGBEdit | glue.viewers.image.qt.rgb_edit.RGBEdit
glue.qt.qtutil.GlueListWidget | glue.core.qt.mime.GlueMimeListWidget
glue.qt.qtutil.load_ui | glue.utils.qt.helpers.load_ui
glue.qt.qtutil.icon_path | glue.icons.icon_path
glue.qt.qtutil.load_icon | glue.icons.qt.load_icon
glue.qt.qtutil.symbol_icon | glue.icons.qt.symbol_icon
glue.qt.qtutil.layer_icon | glue.icons.qt.layer_icon
glue.qt.qtutil.layer_artist_icon | glue.icons.qt.layer_artist_icon
glue.qt.qtutil.GlueActionButton | glue.app.qt.actions.GlueActionButton
glue.qt.qtutil.action | glue.app.qt.actions.action
glue.qt.qt_backend.Timer | glue.backends.QtTimer
#845
Improved under-the-hood creation of ROIs for Scatter and Histogram Clients. #676
Data viewers can now define a layer artist style editor class that appears
under the list of layer artists. #852
Properties of the VisualAttributes class are now callback properties. #852
Add glue.utils.qt.widget_properties.connect_value function which can take
an optional value_range and log option to scale the Qt values to a custom
range of values (optionally in log space). #852
Make list of data viewers sorted alphabetically. #866

v0.6.0 - 2015-11-20

What's Changed

Added experimental support for PyQt5. #663
Fix glue -t option. #791
Updated glue-deps to show PyQt/PySide versions. #796
Fix bug that caused viewers to be restored with the wrong size. [#781, #783]
Fixed compatibility with the latest stable version of ginga. #797
Prevent axes from moving around when data viewers are being resized, and
instead make the absolute margins between axes and figure edge fixed. #745
Fixed a bug that caused image plots to not be updated immediately when
changing component, and fixed a bug that caused data and attribute combo
boxes to not update correctly when showing multiple datasets in an
ImageWidget. #755
Added tests to ensure that we remain backward-compatible with old session
files for the FITS and HDF5 factories. [#736, #748]
When a box has been drawn to extract a spectrum from a cube, the box can
then be moved by pressing the control key and dragging it. #707
Refactored ASCII I/O to include more Astropy table formats. #762
When saving a session, if no extension is specified, the .glu extension is
added. #729
Added a GUI plugin manager in the 'Plugins' menu. #682
Added an option to specify whether to use an automatic aspect ratio for image
data or whether to enforce square pixels. #717
Data factories can now be given priorities to determine which ones should
take precedence in ambiguous cases. The set_default_factory and
get_default_factory functions are now deprecated since it is possible to
achieve this solely with priorities. #719
Improved cube slider to include editable slice value as well as
first/previous/next/last buttons, and improved spacing of sliders for 4+
dimensional cubes. [#690, #734]
Registering data factories should now always be done with the
@data_factory decorator, and not by adding functions to
__factories__, as was possible in early versions of Glue. #724
Made the Excel spreadsheet reader more robust: column headers no longer have
to be strings, and the reader no longer expects the first sheet to be called
'Sheet1'. All sheets are now read by default. Datasets are now named as
filename:sheetname. #726
Fix compatibility with IPython 4. #733
Improved reading of FITS files - all HDUs are now read by default. [#704, #732]
Added new widget property classes, for combo boxes (based on label instead of
data) and for tab widgets. #752
Improved reading of HDF5 files - all datasets in an HDF5 file are now read by
default. #747
Fix a bug that caused images to not be shown at full resolution after resizing. #768
Fix a bug that caused the color of an extracted spectrum to vary if extracted
multiple times. #743
Fixed a bug that caused compressed image HDUs to not be read correctly.
#767
Added two new settings settings.SUBSET_COLORS and settings.DATA_COLOR
that can be used to customize the default subset and data colors. #742

v0.5.3 (unreleased)

What's Changed

Fix selection in scatter plots when categorical data are present. #727

v0.5.2 - 2015-08-13

What's Changed

Fix loading of plugins with setuptools < 11.3 #699
Fix loading of plugins when using glue programmatically rather than through the GUI #698
Backward-compatibility fixes after refactoring data_factories [#696, #703]

v0.5.1 - 2015-07-06

What's Changed

Fixed treatment of newlines when copying detailed error. #687
Fix a bug that prevented sessions from being saved with embedded files if
component units were Astropy units. #686
Users should now press 'control' to drag rather than re-define subsets. #689

v0.5.0 - 2015-07-03

What's Changed

Improvements to the PyQt/PySide wrapper module (now maintained in a separate repository). #671
Fixed broken links on website. #678
Added the ability to discover plugins via entry points. #677
Added the ability to include float and string UI elements in custom
viewers. #653
Added an option to bundle all data in .glu session files. #661
Added a menu_plugin registry to add custom tools to the registry. #644
Support for 'lazy-loading' plugins which means their import is deferred
until they are needed. #590
Support for connecting custom importers. #593
qglue now correctly interprets HDUList objects. #598
Internal improvements to organization of domain-specific code (such as the
Astronomy coordinate conversions and ginga data viewer). [#488, #585]
Astronomy coordinate conversions now include more coordinate frames. #578
load_ui now checks whether .ui file exists locally before
retrieving it from the glue.qt.ui sub-package. #599
Improved interface for adding new components, with syntax highlighting
and tab-completion. [#572, #575]
Improved error/warning messages. #582
Miscellaneous bug fixes. [#637, #636, #608]
The error console log is now available through the View menu
Improved under-the-hood handling of categorical ROIs. #601
Fixed compatibility with Python 2.6. #540
Python 3.x support is now stable. #576
Fixed the ability to copy detailed error messages. #675
Added instructions on how to make a fully-customized Qt viewer. #619
Fixes to the ginga plugin to support the latest version. [#584, #656]
Added the ability to drag circular, rectangular, and lasso selections. #657
Added the ability to reset a session. #630

v0.4.0 (Released December 22, 2015)

Release Highlights:

Introduced custom viewers
Ginga-based image viewer
Experimental Python 3.x support

Other Notes

Better testing for support of optional dependencies
Refactored spectrum and position-velocity features from the Image widget into plugin tools
Adopted contracts for contracters to add optional runtime type checking
Added ability to export collapsed cubes as 2D fits files
More flexible data parsing in qglue utility
Numerous bugfixes

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