Merge pull request matplotlib#25444 from anntzer/facl

Adjust parent axes limits when clearing floating axes.

Author: timhoffm

lib/mpl_toolkits/axisartist/floating_axes.py

@@ -260,7 +260,6 @@ def __init__(self, *args, grid_helper, **kwargs):
         _api.check_isinstance(GridHelperCurveLinear, grid_helper=grid_helper)
         super().__init__(*args, grid_helper=grid_helper, **kwargs)
         self.set_aspect(1.)
-        self.adjust_axes_lim()
 
     def _gen_axes_patch(self):
         # docstring inherited
@@ -281,6 +280,7 @@ def clear(self):
         orig_patch.set_transform(self.transAxes)
         self.patch.set_clip_path(orig_patch)
         self.gridlines.set_clip_path(orig_patch)
+        self.adjust_axes_lim()
 
     def adjust_axes_lim(self):
         bbox = self.patch.get_path().get_extents(

lib/mpl_toolkits/axisartist/tests/test_floating_axes.py

@@ -82,6 +82,7 @@ def test_curvelinear4():
         tick_formatter1=angle_helper.FormatterDMS(),
         tick_formatter2=None)
     ax1 = fig.add_subplot(axes_class=FloatingAxes, grid_helper=grid_helper)
+    ax1.clear()  # Check that clear() also restores the correct limits on ax1.
 
     ax1.axis["left"].label.set_text("Test 1")
     ax1.axis["right"].label.set_text("Test 2")