Aplpy

----------------

- Fixed compatibility of Scalebar.set with Matplotlib 1.5.x. [272, 286]

- Fixed compatibility with Python 3.5.

- Astropy is now a required dependency, and PyFITS and PyWCS are no longer
supported.

----------------

New features
~~~~~~~~~~~~

- Added new ``show_vectors`` to show vector maps. [220]

Improvements
~~~~~~~~~~~~

- The ``auto_refresh`` option now defaults to ``False`` unless IPython is
being used and the Matplotlib backend is interactive. [238]

Bug fixes
~~~~~~~~~

- Fix a bug that caused RGB images to be incorrectly displayed when zooming
in. [235]

-------------------

Bug fixes
~~~~~~~~~

- Fix a bug that caused smoothing to fail with integer arrays. [165]

Improvements
~~~~~~~~~~~~

- Fix deprecation warnings from Astropy. [173]

-------------------

New features
~~~~~~~~~~~~

- Added ``FITSFigure.set_title`` method that can be used to set the title
of a figure. [175]

Improvements
~~~~~~~~~~~~

- Beams and scalebars can now optionally be instantiated with Astropy
angular units and quantities. [186]

- APLpy now includes image tests to ensure reliability over time. [200]

- The code is now all Python 2 and 3 compatible without requiring 2to3.
[198]

Bug fixes
~~~~~~~~~

- Fix bug that caused a crash when plotting an image with a single valid
pixel [197]

- Fixed a severe bug that caused rotated images to have incorrect pixel
scales determined. [211]

- Fixed a bug that caused set_nan_color to modify Matplotlib colormaps
globally rather than apply just to the desired FITSFigure. [214]

-------------------

This version fixes compatibility with Astropy 0.4

New features
~~~~~~~~~~~~

- Added the ability to call ``fig.show_contour()`` without arguments and
used the data used to initialize ``FITSFigure``. [170]

- Added the ability to format colorbar ticks in exponential notation using
the ``log_format`` argument. [143]

- Added the ability to make NaNs transparent in RGB image output, using the
``make_nans_transparent`` argument. [138]

API Changes
~~~~~~~~~~~

- astropy.wcs.WCS no longer contains information about the original image
size. Any attempt to instantiate a FITSFigure from a WCS object will raise
a DeprecationException. A workaround is to add `naxisn` attributes to your
WCS object::

mywcs = wcs.WCS(header)
mywcs.naxis1 = header['NAXIS1']
mywcs.naxis2 = header['NAXIS2']

Bug fixes
~~~~~~~~~

- FITSFigure can now be instantiated using an astropy.io.fits.CompImageHDU
object. [188]

- The coordinate grid is now plotted on the whole axes, not just the subset
containing the image (noticeable when zooming out). [118]

-------------------

Bug fixes
~~~~~~~~~

- Fix a bug that meant that pixel scales were incorrectly extracted for
some WCS settings. [156]