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Add note about blitting and zorder in animations #24137

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Merged
merged 4 commits into from
Oct 12, 2022
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Add note about blitting and zorder in animations #24137

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998b647
Add note about blitting and zorder in animations
oscargus Oct 10, 2022
bf0919b
Update doc/api/animation_api.rst
oscargus Oct 11, 2022
e0c3f63
Update doc/api/animation_api.rst
oscargus Oct 12, 2022
0890cd9
Update doc/api/animation_api.rst
oscargus Oct 12, 2022
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5 changes: 5 additions & 0 deletions doc/api/animation_api.rst
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Expand Up @@ -97,6 +97,11 @@ this hopefully minimalist example gives a sense of how ``init_func``
and ``func`` are used inside of `FuncAnimation` and the theory of how
'blitting' works.

.. note::

The zorder of artists is not taken into account when 'blitting'
because the 'blitted' artists are always drawn on top.

The expected signature on ``func`` and ``init_func`` is very simple to
keep `FuncAnimation` out of your book keeping and plotting logic, but
this means that the callable objects you pass in must know what
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