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Update Usage FAQ to reflect new behaviour #8897

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Aug 10, 2017
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Update Usage FAQ to reflect new behaviour #8897

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a0bd1f7
Update Usage FAQ to reflect new behaviour
vab9 Jul 16, 2017
497c588
STY: whitespace
tacaswell Jul 22, 2017
4f8bdca
DOC: Correct spelling
tacaswell Aug 7, 2017
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19 changes: 8 additions & 11 deletions tutorials/introductory/usage.py
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Expand Up @@ -542,24 +542,21 @@ def my_plotter(ax, data1, data2, param_dict):
# plt.title("interactive test")
# plt.xlabel("index")
#
# and you will see the plot being updated after each line. This is
# because you are in interactive mode *and* you are using pyplot
# functions. Now try an alternative method of modifying the
# plot. Get a reference to the :class:`~matplotlib.axes.Axes` instance, and
# call a method of that instance::
# and you will see the plot being updated after each line. Since version 1.5,
# modifying the plot by other means *should* also automatically
# update the display on most backends. Get a reference to the :class:`~matplotlib.axes.Axes` instance,
# and call a method of that instance::
#
# ax = plt.gca()
# ax.plot([3.1, 2.2])
#
# Nothing changed, because the Axes methods do not include an
# automatic call to :func:`~matplotlib.pyplot.draw_if_interactive`;
# that call is added by the pyplot functions. If you are using
# methods, then when you want to update the plot on the screen,
# you need to call :func:`~matplotlib.pyplot.draw`::
# If you are using certain backends (like `macosx`), or an older version
# of matplotlib, you may not see the new line added to the plot immediately.
# In this case, you need to explicitly call :func:`~matplotlib.pyplot.draw`
# in order to update the plot::
#
# plt.draw()
#
# Now you should see the new line added to the plot.
#
# Non-interactive example
# -----------------------
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