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DOC: Add more plots to What's new for 3.4.
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‎doc/users/prev_whats_new/whats_new_3.4.0.rst‎

Lines changed: 85 additions & 11 deletions
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@@ -49,7 +49,7 @@ See :doc:`/gallery/subplots_axes_and_figures/subfigures` for further details.
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subfigs = fig.subfigures(1, 2, wspace=0.07)
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axsLeft = subfigs[0].subplots(1, 2, sharey=True)
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subfigs[0].set_facecolor('0.75')
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subfigs[0].set_facecolor('#eee')
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for ax in axsLeft:
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pc = example_plot(ax)
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subfigs[0].suptitle('Left plots', fontsize='x-large')
@@ -125,14 +125,29 @@ Plotting methods
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`~.Axes.axline` now supports the *transform* parameter, which applies to the
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points *xy1*, *xy2*. The *slope* (if given) is always in data coordinates.
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This can be used e.g. with ``ax.transAxes`` for drawing grid lines with a fixed
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slope.
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For example, this can be used with ``ax.transAxes`` for drawing lines with a
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fixed slope. In the following plot, the line appears through the same point on
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both Axes, even though they show different data limits.
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.. plot::
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:include-source:
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fig, axs = plt.subplots(1, 2)
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for i, ax in enumerate(axs):
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ax.axline((0.25, 0), slope=2, transform=ax.transAxes)
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ax.set(xlim=(i, i+5), ylim=(i, i+5))
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New automatic labeling for bar charts
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-------------------------------------
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A new `.Axes.bar_label` method has been added for auto-labeling bar charts.
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See :doc:`/gallery/lines_bars_and_markers/bar_label_demo` for examples.
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.. figure:: /gallery/lines_bars_and_markers/images/sphx_glr_bar_label_demo_001.png
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:target: /gallery/lines_bars_and_markers/bar_label_demo.html
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Example of the new automatic labeling.
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A list of hatches can be specified to `~.axes.Axes.bar` and `~.axes.Axes.barh`
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------------------------------------------------------------------------------
@@ -171,7 +186,7 @@ cycler are not explicitly passed.
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For example, the following will cycle through the line styles:
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.. plot::
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:include-source: True
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:include-source:
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x = np.arange(0.1, 4, 0.5)
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y = np.exp(-x)
@@ -428,6 +443,37 @@ The `matplotlib.colors.Colormap` object now has image representations for
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IPython / Jupyter backends. Cells returning a colormap on the last line will
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display an image of the colormap.
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.. only:: html
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.. code-block::
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In[1]: cmap = plt.get_cmap('viridis').with_extremes(bad='r', under='g', over='b')
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In[2]: cmap
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Out[2]:
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.. raw:: html
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<div style="vertical-align: middle;">
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<strong>viridis</strong>
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</div>
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<div class="cmap">
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<img alt="viridis colormap" title="viridis" style="border: 1px solid #555;" src="data:image/png;base64,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">
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</div>
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<div style="vertical-align: middle; max-width: 514px; display: flex; justify-content: space-between;">
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<div style="float: left;">
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<div title="#008000ff" style="display: inline-block; width: 1em; height: 1em; margin: 0; vertical-align: middle; border: 1px solid #555; background-color: #008000ff;"></div>
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under
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</div>
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<div style="margin: 0 auto; display: inline-block;">
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bad
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<div title="#ff0000ff" style="display: inline-block; width: 1em; height: 1em; margin: 0; vertical-align: middle; border: 1px solid #555; background-color: #ff0000ff;"></div>
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</div>
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<div style="float: right;">
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over
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<div title="#0000ffff" style="display: inline-block; width: 1em; height: 1em; margin: 0; vertical-align: middle; border: 1px solid #555; background-color: #0000ffff;"></div>
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</div>
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``Colormap.set_extremes`` and ``Colormap.with_extremes``
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--------------------------------------------------------
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@@ -533,8 +579,18 @@ labels for Axes not in the last row. This behavior is incorrect if rcParams
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specify that Axes should be labeled on the top (``rcParams["xtick.labeltop"] =
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True``) or on the right (``rcParams["ytick.labelright"] = True``).
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Such cases are now handled correctly (adjusting visibility as needed on the
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first row and last column of axes).
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Cases such as the following are now handled correctly (adjusting visibility as
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needed on the first row and last column of Axes):
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.. plot::
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:include-source:
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plt.rcParams["xtick.labelbottom"] = False
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plt.rcParams["xtick.labeltop"] = True
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plt.rcParams["ytick.labelleft"] = False
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plt.rcParams["ytick.labelright"] = True
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fig, axs = plt.subplots(2, 2, sharex=True, sharey=True)
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An iterable object with labels can be passed to `.Axes.plot`
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------------------------------------------------------------
@@ -544,6 +600,7 @@ When plotting multiple datasets by passing 2D data as *y* value to
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matching the number of columns in *y*.
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.. plot::
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:include-source:
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x = [1, 2, 3]
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@@ -564,6 +621,11 @@ Text transform can rotate text direction
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The new `.Text` parameter ``transform_rotates_text`` now sets whether rotations
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of the transform affect the text direction.
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.. figure:: /gallery/text_labels_and_annotations/images/sphx_glr_text_rotation_relative_to_line_001.png
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:target: /gallery/text_labels_and_annotations/text_rotation_relative_to_line.html
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Example of the new *transform_rotates_text* parameter
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``matplotlib.mathtext`` now supports *overset* and *underset* LaTeX symbols
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---------------------------------------------------------------------------
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@@ -598,7 +660,7 @@ trying to pick ticks at set intervals (i.e., day 1 and 15 of the month), versus
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evenly spaced ticks that start wherever the timeseries starts:
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.. plot::
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:include-source: True
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:include-source:
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dates = np.arange('2001-01-10', '2001-05-23', dtype='datetime64[D]')
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y = np.sin(dates.astype(float) / 10)
@@ -676,6 +738,9 @@ The errorbar function `.Axes.errorbar` is ported into the 3D Axes framework in
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its entirety, supporting features such as custom styling for error lines and
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cap marks, control over errorbar spacing, upper and lower limit marks.
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.. figure:: /gallery/mplot3d/images/sphx_glr_errorbar3d_001.png
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:target: /gallery/mplot3d/errorbar3d.html
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Stem plots in 3D Axes
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---------------------
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@@ -725,6 +790,15 @@ New ``RangeSlider`` widget
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`.widgets.RangeSlider` allows for creating a slider that defines
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a range rather than a single value.
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.. plot::
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fig, ax = plt.subplots(2, 1, figsize=(5, 1))
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fig.subplots_adjust(left=0.2, right=0.8)
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from matplotlib.widgets import Slider, RangeSlider
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Slider(ax[0], 'Slider', 0, 1)
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RangeSlider(ax[1], 'RangeSlider', 0, 1)
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Sliders can now snap to arbitrary values
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----------------------------------------
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@@ -736,9 +810,9 @@ Pausing and Resuming Animations
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-------------------------------
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The `.animation.Animation.pause` and `.animation.Animation.resume` methods
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allow you to pause and resume animations. These methods can be used as callbacks
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for event listeners on UI elements so that your plots can have some playback
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control UI.
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allow you to pause and resume animations. These methods can be used as
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callbacks for event listeners on UI elements so that your plots can have some
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playback control UI.
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Backend-specific improvements

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