Merge pull request #13507 from meeseeksmachine/auto-backport-of-pr-13488-on-v3.1.x

dstansby · web-flow · commit 2797c8ce4a71 · 2019-02-24T10:38:10.000Z
Backport PR #13488 on branch v3.1.x (Animation: interactive zoom/pan with blitting does not work)
diff --git a/lib/matplotlib/animation.py b/lib/matplotlib/animation.py
@@ -1211,6 +1211,11 @@ def _setup_blit(self):
         # axes
         self._blit_cache = dict()
         self._drawn_artists = []
+        for ax in self._fig.axes:
+            ax.callbacks.connect('xlim_changed',
+                                 lambda ax: self._blit_cache.pop(ax, None))
+            ax.callbacks.connect('ylim_changed',
+                                 lambda ax: self._blit_cache.pop(ax, None))
         self._resize_id = self._fig.canvas.mpl_connect('resize_event',
                                                        self._handle_resize)
         self._post_draw(None, self._blit)
