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+.. _whats-new-0-98-4:
+
+New in matplotlib 0.98.4
+========================
+
+.. contents:: Table of Contents
+   :depth: 2
+
+
+
+It's been four months since the last matplotlib release, and there are
+a lot of new features and bug-fixes.
+
+Thanks to Charlie Moad for testing and preparing the source release,
+including binaries for OS X and Windows for python 2.4 and 2.5 (2.6
+and 3.0 will not be available until numpy is available on those
+releases).  Thanks to the many developers who contributed to this
+release, with contributions from Jae-Joon Lee, Michael Droettboom,
+Ryan May, Eric Firing, Manuel Metz, Jouni K. Seppänen, Jeff Whitaker,
+Darren Dale, David Kaplan, Michiel de Hoon and many others who
+submitted patches
+
+.. _legend-refactor:
+
+Legend enhancements
+--------------------
+
+Jae-Joon has rewritten the legend class, and added support for
+multiple columns and rows, as well as fancy box drawing.  See
+:func:`~matplotlib.pyplot.legend` and
+:class:`matplotlib.legend.Legend`.
+
+.. plot:: pyplots/whats_new_98_4_legend.py
+
+.. _fancy-annotations:
+
+Fancy annotations and arrows
+-----------------------------
+
+Jae-Joon has added lots of support to annotations for drawing fancy
+boxes and connectors in annotations.  See
+:func:`~matplotlib.pyplot.annotate` and
+:class:`~matplotlib.patches.BoxStyle`,
+:class:`~matplotlib.patches.ArrowStyle`, and
+:class:`~matplotlib.patches.ConnectionStyle`.
+
+.. plot:: pyplots/whats_new_98_4_fancy.py
+
+.. _psd-amplitude:
+
+
+Native OS X backend
+--------------------
+
+Michiel de Hoon has provided a native Mac OSX backend that is almost
+completely implemented in C. The backend can therefore use Quartz
+directly and, depending on the application, can be orders of magnitude
+faster than the existing backends. In addition, no third-party
+libraries are needed other than Python and NumPy. The backend is
+interactive from the usual terminal application on Mac using regular
+Python. It hasn't been tested with ipython yet, but in principle it
+should to work there as well.  Set 'backend : macosx' in your
+matplotlibrc file, or run your script with::
+
+    > python myfile.py -dmacosx
+
+psd amplitude scaling
+-------------------------
+
+Ryan May did a lot of work to rationalize the amplitude scaling of
+:func:`~matplotlib.pyplot.psd` and friends.  See
+:ref:`pylab_examples-psd_demo2`. and :ref:`pylab_examples-psd_demo3`.
+The changes should increase MATLAB
+compatibility and increase scaling options.
+
+.. _fill-between:
+
+Fill between
+------------------
+
+Added a :func:`~matplotlib.pyplot.fill_between` function to make it
+easier to do shaded region plots in the presence of masked data.  You
+can pass an *x* array and a *ylower* and *yupper* array to fill
+between, and an optional *where* argument which is a logical mask
+where you want to do the filling.
+
+.. plot:: pyplots/whats_new_98_4_fill_between.py
+
+Lots more
+-----------
+
+Here are the 0.98.4 notes from the CHANGELOG::
+
+    Added mdehoon's native macosx backend from sf patch 2179017 - JDH
+
+    Removed the prints in the set_*style commands.  Return the list of
+    pretty-printed strings instead - JDH
+
+    Some of the changes Michael made to improve the output of the
+    property tables in the rest docs broke of made difficult to use
+    some of the interactive doc helpers, e.g., setp and getp.  Having all
+    the rest markup in the ipython shell also confused the docstrings.
+    I added a new rc param docstring.harcopy, to format the docstrings
+    differently for hardcopy and other use.  The ArtistInspector
+    could use a little refactoring now since there is duplication of
+    effort between the rest out put and the non-rest output - JDH
+
+    Updated spectral methods (psd, csd, etc.) to scale one-sided
+    densities by a factor of 2 and, optionally, scale all densities by
+    the sampling frequency.  This gives better MATLAB
+    compatibility. -RM
+
+    Fixed alignment of ticks in colorbars. -MGD
+
+    drop the deprecated "new" keyword of np.histogram() for numpy 1.2
+    or later.  -JJL
+
+    Fixed a bug in svg backend that new_figure_manager() ignores
+    keywords arguments such as figsize, etc. -JJL
+
+    Fixed a bug that the handlelength of the new legend class set too
+    short when numpoints=1 -JJL
+
+    Added support for data with units (e.g., dates) to
+    Axes.fill_between. -RM
+
+    Added fancybox keyword to legend. Also applied some changes for
+    better look, including baseline adjustment of the multiline texts
+    so that it is center aligned. -JJL
+
+    The transmuter classes in the patches.py are reorganized as
+    subclasses of the Style classes. A few more box and arrow styles
+    are added. -JJL
+
+    Fixed a bug in the new legend class that didn't allowed a tuple of
+    coordinate values as loc. -JJL
+
+    Improve checks for external dependencies, using subprocess
+    (instead of deprecated popen*) and distutils (for version
+    checking) - DSD
+
+    Reimplementation of the legend which supports baseline alignment,
+    multi-column, and expand mode. - JJL
+
+    Fixed histogram autoscaling bug when bins or range are given
+    explicitly (fixes Debian bug 503148) - MM
+
+    Added rcParam axes.unicode_minus which allows plain hyphen for
+    minus when False - JDH
+
+    Added scatterpoints support in Legend. patch by Erik Tollerud -
+    JJL
+
+    Fix crash in log ticking. - MGD
+
+    Added static helper method BrokenHBarCollection.span_where and
+    Axes/pyplot method fill_between.  See
+    examples/pylab/fill_between.py - JDH
+
+    Add x_isdata and y_isdata attributes to Artist instances, and use
+    them to determine whether either or both coordinates are used when
+    updating dataLim.  This is used to fix autoscaling problems that
+    had been triggered by axhline, axhspan, axvline, axvspan. - EF
+
+    Update the psd(), csd(), cohere(), and specgram() methods of Axes
+    and the csd() cohere(), and specgram() functions in mlab to be in
+    sync with the changes to psd().  In fact, under the hood, these
+    all call the same core to do computations. - RM
+
+    Add 'pad_to' and 'sides' parameters to mlab.psd() to allow
+    controlling of zero padding and returning of negative frequency
+    components, respectively.  These are added in a way that does not
+    change the API. - RM
+
+    Fix handling of c kwarg by scatter; generalize is_string_like to
+    accept numpy and numpy.ma string array scalars. - RM and EF
+
+    Fix a possible EINTR problem in dviread, which might help when
+    saving pdf files from the qt backend. - JKS
+
+    Fix bug with zoom to rectangle and twin axes - MGD
+
+    Added Jae Joon's fancy arrow, box and annotation enhancements --
+    see examples/pylab_examples/annotation_demo2.py
+
+    Autoscaling is now supported with shared axes - EF
+
+    Fixed exception in dviread that happened with Minion - JKS
+
+    set_xlim, ylim now return a copy of the viewlim array to avoid
+    modify inplace surprises
+
+    Added image thumbnail generating function
+    matplotlib.image.thumbnail.  See examples/misc/image_thumbnail.py
+    - JDH
+
+    Applied scatleg patch based on ideas and work by Erik Tollerud and
+    Jae-Joon Lee. - MM
+
+    Fixed bug in pdf backend: if you pass a file object for output
+    instead of a filename, e.g., in a wep app, we now flush the object
+    at the end. - JKS
+
+    Add path simplification support to paths with gaps. - EF
+
+    Fix problem with AFM files that don't specify the font's full name
+    or family name. - JKS
+
+    Added 'scilimits' kwarg to Axes.ticklabel_format() method, for
+    easy access to the set_powerlimits method of the major
+    ScalarFormatter. - EF
+
+    Experimental new kwarg borderpad to replace pad in legend, based
+    on suggestion by Jae-Joon Lee.  - EF
+
+    Allow spy to ignore zero values in sparse arrays, based on patch
+    by Tony Yu.  Also fixed plot to handle empty data arrays, and
+    fixed handling of markers in figlegend. - EF
+
+    Introduce drawstyles for lines. Transparently split linestyles
+    like 'steps--' into drawstyle 'steps' and linestyle '--'.  Legends
+    always use drawstyle 'default'. - MM
+
+    Fixed quiver and quiverkey bugs (failure to scale properly when
+    resizing) and added additional methods for determining the arrow
+    angles - EF
+
+    Fix polar interpolation to handle negative values of theta - MGD
+
+    Reorganized cbook and mlab methods related to numerical
+    calculations that have little to do with the goals of those two
+    modules into a separate module numerical_methods.py Also, added
+    ability to select points and stop point selection with keyboard in
+    ginput and manual contour labeling code.  Finally, fixed contour
+    labeling bug. - DMK
+
+    Fix backtick in Postscript output. - MGD
+
+    [ 2089958 ] Path simplification for vector output backends
+    Leverage the simplification code exposed through path_to_polygons
+    to simplify certain well-behaved paths in the vector backends
+    (PDF, PS and SVG).  "path.simplify" must be set to True in
+    matplotlibrc for this to work.  - MGD
+
+    Add "filled" kwarg to Path.intersects_path and
+    Path.intersects_bbox. - MGD
+
+    Changed full arrows slightly to avoid an xpdf rendering problem
+    reported by Friedrich Hagedorn. - JKS
+
+    Fix conversion of quadratic to cubic Bezier curves in PDF and PS
+    backends. Patch by Jae-Joon Lee. - JKS
+
+    Added 5-point star marker to plot command q- EF
+
+    Fix hatching in PS backend - MGD
+
+    Fix log with base 2 - MGD
+
+    Added support for bilinear interpolation in
+    NonUniformImage; patch by Gregory Lielens. - EF
+
+    Added support for multiple histograms with data of
+    different length - MM
+
+    Fix step plots with log scale - MGD
+
+    Fix masked arrays with markers in non-Agg backends - MGD
+
+    Fix clip_on kwarg so it actually works correctly - MGD
+
+    Fix locale problems in SVG backend - MGD
+
+    fix quiver so masked values are not plotted - JSW
+
+    improve interactive pan/zoom in qt4 backend on windows - DSD
+
+    Fix more bugs in NaN/inf handling.  In particular, path
+    simplification (which does not handle NaNs or infs) will be turned
+    off automatically when infs or NaNs are present.  Also masked
+    arrays are now converted to arrays with NaNs for consistent
+    handling of masks and NaNs - MGD and EF
+
+    Added support for arbitrary rasterization resolutions to the SVG
+    backend. - MW
@@ -0,0 +1,60 @@
+.. _whats-new-0-99:
+
+New in matplotlib 0.99
+======================
+
+.. contents:: Table of Contents
+   :depth: 2
+
+
+
+New documentation
+-----------------
+
+Jae-Joon Lee has written two new guides :ref:`plotting-guide-legend`
+and :ref:`plotting-guide-annotation`.  Michael Sarahan has written
+:ref:`image_tutorial`.  John Hunter has written two new tutorials on
+working with paths and transformations: :ref:`path_tutorial` and
+:ref:`transforms_tutorial`.
+
+.. _whats-new-mplot3d:
+
+mplot3d
+--------
+
+
+Reinier Heeres has ported John Porter's mplot3d over to the new
+matplotlib transformations framework, and it is now available as a
+toolkit mpl_toolkits.mplot3d (which now comes standard with all mpl
+installs).  See :ref:`mplot3d-examples-index` and
+:ref:`toolkit_mplot3d-tutorial`
+
+.. plot:: pyplots/whats_new_99_mplot3d.py
+
+.. _whats-new-axes-grid:
+
+axes grid toolkit
+-----------------
+
+Jae-Joon Lee has added a new toolkit to ease displaying multiple images in
+matplotlib, as well as some support for curvilinear grids to support
+the world coordinate system. The toolkit is included standard with all
+new mpl installs.  See :ref:`axes_grid-examples-index` and
+:ref:`axes_grid_users-guide-index`.
+
+.. plot:: pyplots/whats_new_99_axes_grid.py
+
+.. _whats-new-spine:
+
+Axis spine placement
+--------------------
+
+Andrew Straw has added the ability to place "axis spines" -- the lines
+that denote the data limits -- in various arbitrary locations.  No
+longer are your axis lines constrained to be a simple rectangle around
+the figure -- you can turn on or off left, bottom, right and top, as
+well as "detach" the spine to offset it away from the data.  See
+:ref:`pylab_examples-spine_placement_demo` and
+:class:`matplotlib.spines.Spine`.
+
+.. plot:: pyplots/whats_new_99_spines.py