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Commit9caa261

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Merge pull request#22608 from rcomer/inset-add_axes
Axes.inset_axes: enable Axes subclass creation
2 parents2f7e53d +80e672e commit9caa261

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4 files changed

+53
-4
lines changed

4 files changed

+53
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Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,6 @@
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Axes.inset_axes Flexibility
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---------------------------
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`matplotlib.axes.Axes.inset_axes` now accepts the *projection*, *polar* and
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*axes_class* keyword arguments, so that subclasses of `matplotlib.axes.Axes` may
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be returned.

‎lib/matplotlib/axes/_axes.py

Lines changed: 19 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -325,13 +325,27 @@ def inset_axes(self, bounds, *, transform=None, zorder=5, **kwargs):
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Defaults to `ax.transAxes`, i.e. the units of *rect* are in
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Axes-relative coordinates.
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projection : {None, 'aitoff', 'hammer', 'lambert', 'mollweide',\
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'polar', 'rectilinear', str}, optional
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The projection type of the inset `~.axes.Axes`. *str* is the name
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of a custom projection, see `~matplotlib.projections`. The default
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None results in a 'rectilinear' projection.
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polar : bool, default: False
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If True, equivalent to projection='polar'.
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axes_class : subclass type of `~.axes.Axes`, optional
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The `.axes.Axes` subclass that is instantiated. This parameter
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is incompatible with *projection* and *polar*. See
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:ref:`axisartist_users-guide-index` for examples.
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zorder : number
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Defaults to 5 (same as `.Axes.legend`). Adjust higher or lower
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to change whether it is above or below data plotted on the
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parent Axes.
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**kwargs
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Other keyword arguments are passed on to thechild `.Axes`.
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Other keyword arguments are passed on to theinsetAxes class.
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Returns
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-------
@@ -357,7 +371,10 @@ def inset_axes(self, bounds, *, transform=None, zorder=5, **kwargs):
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# This puts the rectangle into figure-relative coordinates.
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inset_locator=_TransformedBoundsLocator(bounds,transform)
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bounds=inset_locator(self,None).bounds
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inset_ax=Axes(self.figure,bounds,zorder=zorder,**kwargs)
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projection_class,pkw=self.figure._process_projection_requirements(
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bounds,**kwargs)
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inset_ax=projection_class(self.figure,bounds,zorder=zorder,**pkw)
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# this locator lets the axes move if in data coordinates.
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# it gets called in `ax.apply_aspect() (of all places)
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inset_ax.set_axes_locator(inset_locator)

‎lib/matplotlib/tests/test_axes.py

Lines changed: 28 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -26,10 +26,13 @@
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importmatplotlib.markersasmmarkers
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importmatplotlib.patchesasmpatches
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importmatplotlib.pathasmpath
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frommatplotlib.projections.geoimportHammerAxes
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frommatplotlib.projections.polarimportPolarAxes
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importmatplotlib.pyplotasplt
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importmatplotlib.textasmtext
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importmatplotlib.tickerasmticker
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importmatplotlib.transformsasmtransforms
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importmpl_toolkits.axisartistasAA
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fromnumpy.testingimport (
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assert_allclose,assert_array_equal,assert_array_almost_equal)
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frommatplotlib.testing.decoratorsimport (
@@ -2545,8 +2548,6 @@ def get_next_color():
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deftest_as_mpl_axes_api():
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# tests the _as_mpl_axes api
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frommatplotlib.projections.polarimportPolarAxes
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classPolar:
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def__init__(self):
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self.theta_offset=0
@@ -6625,6 +6626,31 @@ def test_zoom_inset():
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axin1.get_position().get_points(),xx,rtol=1e-4)
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@image_comparison(['inset_polar.png'],remove_text=True,style='mpl20')
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deftest_inset_polar():
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_,ax=plt.subplots()
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axins=ax.inset_axes([0.5,0.1,0.45,0.45],polar=True)
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assertisinstance(axins,PolarAxes)
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r=np.arange(0,2,0.01)
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theta=2*np.pi*r
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ax.plot(theta,r)
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axins.plot(theta,r)
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deftest_inset_projection():
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_,ax=plt.subplots()
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axins=ax.inset_axes([0.2,0.2,0.3,0.3],projection="hammer")
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assertisinstance(axins,HammerAxes)
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deftest_inset_subclass():
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_,ax=plt.subplots()
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axins=ax.inset_axes([0.2,0.2,0.3,0.3],axes_class=AA.Axes)
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assertisinstance(axins,AA.Axes)
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@pytest.mark.parametrize('x_inverted', [False,True])
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@pytest.mark.parametrize('y_inverted', [False,True])
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deftest_indicate_inset_inverted(x_inverted,y_inverted):

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