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api_changes_0.91.0.rst

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Changes for 0.91.0

  • Changed cbook.is_file_like to cbook.is_writable_file_like and corrected behavior.
  • Added ax keyword argument to :func:`.pyplot.colorbar` and :meth:`.Figure.colorbar` so that one can specify the axes object from which space for the colorbar is to be taken, if one does not want to make the colorbar axes manually.
  • Changed cbook.reversed so it yields a tuple rather than a (index, tuple). This agrees with the Python reversed builtin, and cbook only defines reversed if Python doesn't provide the builtin.
  • Made skiprows=1 the default on csv2rec
  • The gd and paint backends have been deleted.
  • The errorbar method and function now accept additional kwargs so that upper and lower limits can be indicated by capping the bar with a caret instead of a straight line segment.
  • The :mod:`matplotlib.dviread` file now has a parser for files like psfonts.map and pdftex.map, to map TeX font names to external files.
  • The file :mod:`matplotlib.type1font` contains a new class for Type 1 fonts. Currently it simply reads pfa and pfb format files and stores the data in a way that is suitable for embedding in pdf files. In the future the class might actually parse the font to allow e.g., subsetting.
  • :mod:`matplotlib.ft2font` now supports FT_Attach_File. In practice this can be used to read an afm file in addition to a pfa/pfb file, to get metrics and kerning information for a Type 1 font.
  • The :class:`.AFM` class now supports querying CapHeight and stem widths. The get_name_char method now has an isord kwarg like get_width_char.
  • Changed :func:`.pcolor` default to shading='flat'; but as noted now in the docstring, it is preferable to simply use the edgecolor keyword argument.
  • The mathtext font commands (\cal, \rm, \it, \tt) now behave as TeX does: they are in effect until the next font change command or the end of the grouping. Therefore uses of $\cal{R}$ should be changed to ${\cal R}$. Alternatively, you may use the new LaTeX-style font commands (\mathcal, \mathrm, \mathit, \mathtt) which do affect the following group, e.g., $\mathcal{R}$.
  • Text creation commands have a new default linespacing and a new linespacing kwarg, which is a multiple of the maximum vertical extent of a line of ordinary text. The default is 1.2; linespacing=2 would be like ordinary double spacing, for example.
  • Changed default kwarg in matplotlib.colors.Normalize to clip=False; clipping silently defeats the purpose of the special over, under, and bad values in the colormap, thereby leading to unexpected behavior. The new default should reduce such surprises.
  • Made the emit property of :meth:`~matplotlib.axes.Axes.set_xlim` and :meth:`~matplotlib.axes.Axes.set_ylim` True by default; removed the Axes custom callback handling into a 'callbacks' attribute which is a :class:`~matplotlib.cbook.CallbackRegistry` instance. This now supports the 'xlim_changed' and 'ylim_changed' Axes events.