Ginga v2.6.5

Highlights:

• Coordinate transforms refactored for speed and code clarity
• Some canvas shapes refactored for better code reuse
• Allow max and min scale limits to be disabled (by None)
• Fixed a bug that prevented the reference viewer from resizing correctly with Qt back end
• Refactored WCS wrapper module for code clarity
• Set minimum astropy version requirement to 1.X
• Fixed a bug in NAXIS selection GUI (MultiDim plugin)
• Fixed MDI window resizing with Gtk back ends
• Fixed an error where zoom 100% button did not correctly zoom to 1:1 scale
• Several fixes for astropy 2.0 compatibility
• Fixed a bug in the FBrowser plugin when channel displaying a table and attempting to load a new file
• Fixed a bug when setting the pan position manually by wcs coordinates
• Updates for changes in PIL.ImageCms module
• Fix for window corruption on certain expose events
• New default bindings for touch pads and differentiation from wheel zoom

Ginga v2.6.4

• Added new ScreenShot plugin to take PNG/JPEG snaps of the viewer window

• Enhancements to the Pick plugin

  • Added ability to make shapes besides rectangles for enclosing pick area. Masks out unwanted pixels. Choose the shape in the Settings tab.
  • Changed behavior of pick log to only write the log when the user clicks the save button.
  • Changed the name of the save button to "Save as FITS table" to make it clear what is being written.
  • If "Show candidates" is selected in Settings, then ALL of the candidates are saved to the log.
  • Added documentation to the manual
  • Bug fix for error when changing radius

• Improvements to layout of Operations menu (plugin categories)

• Colorbar scale now placed below the color wedge and is more legible

• Bug fixes for LineProfile plugin

• Slit function for Cuts plugin can be enabled from GUI

• Bug fixes for Slit function

• Info plugin can now control new image cut/zoom/center settings

• Fixed an issue with the MultiDim plugin that could result in a hang with some back ends

• New canvas type for displaying WCS grid overlay and new WCSAxes plugin that uses it

• Bug fixes to scrolling via scrollbars and vert/horiz percentages

• Enhancements to the LineProfile plugin

  • several new shapes besides the standard point
  • plot multiple lines

Ginga v2.6.3

• Fix for issue that stops ginga startup when loading externally distributed plugins that have errors
• Fix for an issue loading plugins from the command line when they are nested in a package
• Added bindings for moving +/- pixel delta in X or Y and centering on the pixel
• Fixes for some key mappings for tk, matplotlib and HTML5 canvas backends
• Fixes for IRAF plugin under python 3
• Fix for a bug using remote control (RC) plugin from python2 client to python 3 ginga
• Documentation updates

Ginga v2.6.2

• Added some colormaps from ds9 that don't have equivalents in Ginga or matplotlib
• Fix for recognizing CompImage HDU type when using astropy.io.fits
• Add new experimental OpenGL back end
• Fixes for Tk back end on python 3
• You can now write separately distributed and installable plugins for the reference viewer that Ginga will find and load on startup
• Added --sep option to load command line files into separate channels
• New help screen feature available for plugins
• Lots of updates to documentation
• Fixed a stability issue with drag and dropping large number of files under Linux
• Fixes for python3 and several example programs
• Fix for interactive rotation bug under matplotlib back end

Ginga v2.6.1

Release date 2016-12-22

• Added a working MDI workspace for gtk2/gtk3.
• Added scrollbar frames. See examples/qt/example1_qt.py for standalone widget. Can be added to reference viewer by putting 'scrollbars = "on"' in your channel_Image.cfg preferences.
• Reorganized reference viewer files under "rv" folder.
• Improved Pick plugin: nicer contour plot, pick log uses table widget, pick log saved as a FITS table HDU
• Pick and Zoom plugins can now use a specific color map, rather than always using the same one as the channel window
• gtk3 reference viewer can now be resized smaller than the original layout (gtk2 still cannot)
• added ability to save the reference viewer size, layout and position on screen
• gtk MDI windows now remember their size and location when toggling workspace types
• Fixes for problems with pinch and scroll gestures with Qt5 backend
• Fixed a bug where scale changes between X and Y axes unexpectedly at extreme zoom levels
• Fixed a bug where cursor could get stuck on a pan cursor
• Added ability to define a cursor for any mode
• Added documented virtual methods to ImageView base class
• Added a workaround for a bug in early versions of Qt5 where excessive mouse motion events accumulate in the event queue

Ginga v2.6.0

With release 2.6.0 we are moving to a new versioning scheme that makes
use of github tagged releases and a "dev" versioning scheme for updates
between releases.

This release includes many bugfixes and improvements, new canvas types
(XRange and YRange), a Command plugin, WCSMatch plugin, dynamically
configurable workspaces, OpenCv acceleration, an HTML5 backend and much
much more.