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Changes for 0.98.x
==================
* ``psd()``, ``csd()``, and ``cohere()`` will now automatically wrap negative
frequency components to the beginning of the returned arrays.
This is much more sensible behavior and makes them consistent
with ``specgram()``. The previous behavior was more of an oversight
than a design decision.
* Added new keyword parameters *nonposx*, *nonposy* to
:class:`matplotlib.axes.Axes` methods that set log scale
parameters. The default is still to mask out non-positive
values, but the kwargs accept 'clip', which causes non-positive
values to be replaced with a very small positive value.
* Added new :func:`matplotlib.pyplot.fignum_exists` and
:func:`matplotlib.pyplot.get_fignums`; they merely expose
information that had been hidden in ``matplotlib._pylab_helpers``.
* Deprecated numerix package.
* Added new :func:`matplotlib.image.imsave` and exposed it to the
:mod:`matplotlib.pyplot` interface.
* Remove support for pyExcelerator in exceltools -- use xlwt
instead
* Changed the defaults of acorr and xcorr to use usevlines=True,
maxlags=10 and normed=True since these are the best defaults
* Following keyword parameters for :class:`matplotlib.legend.Legend` are now
deprecated and new set of parameters are introduced. The new parameters
are given as a fraction of the font-size. Also, *scatteryoffsets*,
*fancybox* and *columnspacing* are added as keyword parameters.
================ ================
Deprecated New
================ ================
pad borderpad
labelsep labelspacing
handlelen handlelength
handlestextsep handletextpad
axespad borderaxespad
================ ================
* Removed the configobj and experimental traits rc support
* Modified :func:`matplotlib.mlab.psd`, :func:`matplotlib.mlab.csd`,
:func:`matplotlib.mlab.cohere`, and :func:`matplotlib.mlab.specgram`
to scale one-sided densities by a factor of 2. Also, optionally
scale the densities by the sampling frequency, which gives true values
of densities that can be integrated by the returned frequency values.
This also gives better MATLAB compatibility. The corresponding
:class:`matplotlib.axes.Axes` methods and :mod:`matplotlib.pyplot`
functions were updated as well.
* Font lookup now uses a nearest-neighbor approach rather than an
exact match. Some fonts may be different in plots, but should be
closer to what was requested.
* :meth:`matplotlib.axes.Axes.set_xlim`,
:meth:`matplotlib.axes.Axes.set_ylim` now return a copy of the
``viewlim`` array to avoid modify-in-place surprises.
* ``matplotlib.afm.AFM.get_fullname`` and
``matplotlib.afm.AFM.get_familyname`` no longer raise an
exception if the AFM file does not specify these optional
attributes, but returns a guess based on the required FontName
attribute.
* Changed precision kwarg in :func:`matplotlib.pyplot.spy`; default is
0, and the string value 'present' is used for sparse arrays only to
show filled locations.
* :class:`matplotlib.collections.EllipseCollection` added.
* Added ``angles`` kwarg to :func:`matplotlib.pyplot.quiver` for more
flexible specification of the arrow angles.
* Deprecated (raise NotImplementedError) all the mlab2 functions from
:mod:`matplotlib.mlab` out of concern that some of them were not
clean room implementations.
* Methods :meth:`matplotlib.collections.Collection.get_offsets` and
:meth:`matplotlib.collections.Collection.set_offsets` added to
:class:`~matplotlib.collections.Collection` base class.
* ``matplotlib.figure.Figure.figurePatch`` renamed
``matplotlib.figure.Figure.patch``;
``matplotlib.axes.Axes.axesPatch`` renamed
``matplotlib.axes.Axes.patch``;
``matplotlib.axes.Axes.axesFrame`` renamed
``matplotlib.axes.Axes.frame``.
``matplotlib.axes.Axes.get_frame``, which returns
``matplotlib.axes.Axes.patch``, is deprecated.
* Changes in the :class:`matplotlib.contour.ContourLabeler` attributes
(:func:`matplotlib.pyplot.clabel` function) so that they all have a
form like ``.labelAttribute``. The three attributes that are most
likely to be used by end users, ``.cl``, ``.cl_xy`` and
``.cl_cvalues`` have been maintained for the moment (in addition to
their renamed versions), but they are deprecated and will eventually
be removed.
* Moved several functions in :mod:`matplotlib.mlab` and
:mod:`matplotlib.cbook` into a separate module
``matplotlib.numerical_methods`` because they were unrelated to
the initial purpose of mlab or cbook and appeared more coherent
elsewhere.
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