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Commit9deb35b

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Add InsetIndicator artist
1 parent109ab93 commit9deb35b

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12 files changed

+461
-78
lines changed

12 files changed

+461
-78
lines changed

‎doc/api/index.rst

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@@ -106,6 +106,7 @@ Alphabetical list of modules:
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gridspec_api.rst
107107
hatch_api.rst
108108
image_api.rst
109+
inset_api.rst
109110
layout_engine_api.rst
110111
legend_api.rst
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legend_handler_api.rst

‎doc/api/inset_api.rst

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@@ -0,0 +1,8 @@
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********************
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``matplotlib.inset``
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********************
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5+
..automodule::matplotlib.inset
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:members:
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:undoc-members:
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:show-inheritance:
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@@ -0,0 +1,8 @@
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``InsetIndicator`` artist
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~~~~~~~~~~~~~~~~~~~~~~~~~
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`~.Axes.indicate_inset` and `~.Axes.indicate_inset_zoom` now return an instance
5+
of `~matplotlib.inset.InsetIndicator`. Use the
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`~matplotlib.inset.InsetIndicator.rectangle` and
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`~matplotlib.inset.InsetIndicator.connectors` properties of this artist to
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access the objects that were previously returned directly.
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@@ -0,0 +1,18 @@
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``InsetIndicator`` artist
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~~~~~~~~~~~~~~~~~~~~~~~~~
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`~.Axes.indicate_inset` and `~.Axes.indicate_inset_zoom` now return an instance
5+
of `~matplotlib.inset.InsetIndicator` which contains the rectangle and
6+
connector patches. These patches now update automatically so that
7+
8+
..code-block::python
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10+
ax.indicate_inset_zoom(ax_inset)
11+
ax_inset.set_xlim(new_lim)
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13+
gives the same result as
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15+
..code-block::python
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ax_inset.set_xlim(new_lim)
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ax.indicate_inset_zoom(ax_inset)

‎lib/matplotlib/axes/_axes.py

Lines changed: 36 additions & 68 deletions
Original file line numberDiff line numberDiff line change
@@ -16,6 +16,7 @@
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importmatplotlib.contourasmcontour
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importmatplotlib.dates# noqa: F401, Register date unit converter as side effect.
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importmatplotlib.imageasmimage
19+
importmatplotlib.insetasminset
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importmatplotlib.legendasmlegend
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importmatplotlib.linesasmlines
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importmatplotlib.markersasmmarkers
@@ -418,7 +419,7 @@ def inset_axes(self, bounds, *, transform=None, zorder=5, **kwargs):
418419
returninset_ax
419420

420421
@_docstring.dedent_interpd
421-
defindicate_inset(self,bounds,inset_ax=None,*,transform=None,
422+
defindicate_inset(self,bounds=None,inset_ax=None,*,transform=None,
422423
facecolor='none',edgecolor='0.5',alpha=0.5,
423424
zorder=4.99,**kwargs):
424425
"""
@@ -432,11 +433,12 @@ def indicate_inset(self, bounds, inset_ax=None, *, transform=None,
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433434
Parameters
434435
----------
435-
bounds : [x0, y0, width, height]
436+
bounds : [x0, y0, width, height], optional
436437
Lower-left corner of rectangle to be marked, and its width
437-
and height.
438+
and height. If not set, the bounds will be calculated from the
439+
data limits of inset_ax, which must be supplied.
438440
439-
inset_ax : `.Axes`
441+
inset_ax : `.Axes`, optional
440442
An optional inset Axes to draw connecting lines to. Two lines are
441443
drawn connecting the indicator box to the inset Axes on corners
442444
chosen so as to not overlap with the indicator box.
@@ -466,15 +468,19 @@ def indicate_inset(self, bounds, inset_ax=None, *, transform=None,
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467469
Returns
468470
-------
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rectangle_patch : `.patches.Rectangle`
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The indicator frame.
471+
inset_indicator : `.inset.InsetIndicator` artist containing
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472-
connector_lines : 4-tuple of `.patches.ConnectionPatch`
473-
The four connector lines connecting to (lower_left, upper_left,
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lower_right upper_right) corners of *inset_ax*. Two lines are
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set with visibility to *False*, but the user can set the
476-
visibility to True if the automatic choice is not deemed correct.
473+
inset_indicator.rectangle : `.Rectangle`
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The indicator frame.
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476+
inset_indicator.connectors : 4-tuple of `.patches.ConnectionPatch`
477+
The four connector lines connecting to (lower_left, upper_left,
478+
lower_right upper_right) corners of *inset_ax*. Two lines are
479+
set with visibility to *False*, but the user can set the
480+
visibility to True if the automatic choice is not deemed correct.
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482+
.. versionchanged:: 3.10
483+
Previously the rectangle and connectors tuple were returned.
478484
"""
479485
# to make the Axes connectors work, we need to apply the aspect to
480486
# the parent Axes.
@@ -484,51 +490,13 @@ def indicate_inset(self, bounds, inset_ax=None, *, transform=None,
484490
transform=self.transData
485491
kwargs.setdefault('label','_indicate_inset')
486492

487-
x,y,width,height=bounds
488-
rectangle_patch=mpatches.Rectangle(
489-
(x,y),width,height,
493+
indicator_patch=minset.InsetIndicator(
494+
bounds,inset_ax=inset_ax,
490495
facecolor=facecolor,edgecolor=edgecolor,alpha=alpha,
491496
zorder=zorder,transform=transform,**kwargs)
492-
self.add_patch(rectangle_patch)
493-
494-
connects= []
495-
496-
ifinset_axisnotNone:
497-
# connect the inset_axes to the rectangle
498-
forxy_inset_axin [(0,0), (0,1), (1,0), (1,1)]:
499-
# inset_ax positions are in axes coordinates
500-
# The 0, 1 values define the four edges if the inset_ax
501-
# lower_left, upper_left, lower_right upper_right.
502-
ex,ey=xy_inset_ax
503-
ifself.xaxis.get_inverted():
504-
ex=1-ex
505-
ifself.yaxis.get_inverted():
506-
ey=1-ey
507-
xy_data=x+ex*width,y+ey*height
508-
p=mpatches.ConnectionPatch(
509-
xyA=xy_inset_ax,coordsA=inset_ax.transAxes,
510-
xyB=xy_data,coordsB=self.transData,
511-
arrowstyle="-",zorder=zorder,
512-
edgecolor=edgecolor,alpha=alpha)
513-
connects.append(p)
514-
self.add_patch(p)
515-
516-
# decide which two of the lines to keep visible....
517-
pos=inset_ax.get_position()
518-
bboxins=pos.transformed(self.figure.transSubfigure)
519-
rectbbox=mtransforms.Bbox.from_bounds(
520-
*bounds
521-
).transformed(transform)
522-
x0=rectbbox.x0<bboxins.x0
523-
x1=rectbbox.x1<bboxins.x1
524-
y0=rectbbox.y0<bboxins.y0
525-
y1=rectbbox.y1<bboxins.y1
526-
connects[0].set_visible(x0^y0)
527-
connects[1].set_visible(x0==y1)
528-
connects[2].set_visible(x1==y0)
529-
connects[3].set_visible(x1^y1)
530-
531-
returnrectangle_patch,tuple(connects)ifconnectselseNone
497+
self.add_artist(indicator_patch)
498+
499+
returnindicator_patch
532500

533501
defindicate_inset_zoom(self,inset_ax,**kwargs):
534502
"""
@@ -552,22 +520,22 @@ def indicate_inset_zoom(self, inset_ax, **kwargs):
552520
553521
Returns
554522
-------
555-
rectangle_patch : `.patches.Rectangle`
556-
Rectangle artist.
557-
558-
connector_lines : 4-tuple of `.patches.ConnectionPatch`
559-
Each of four connector lines coming from the rectangle drawn on
560-
this axis, in the order lower left, upper left, lower right,
561-
upper right.
562-
Two are set with visibility to *False*, but the user can
563-
set the visibility to *True* if the automatic choice is not deemed
564-
correct.
523+
inset_indicator : `.inset.InsetIndicator` artist containing
524+
525+
inset_indicator.rectangle : `.Rectangle`
526+
The indicator frame.
527+
528+
inset_indicator.connectors : 4-tuple of `.patches.ConnectionPatch`
529+
The four connector lines connecting to (lower_left, upper_left,
530+
lower_right upper_right) corners of *inset_ax*. Two lines are
531+
set with visibility to *False*, but the user can set the
532+
visibility to True if the automatic choice is not deemed correct.
533+
534+
.. versionchanged:: 3.10
535+
Previously the rectangle and connectors tuple were returned.
565536
"""
566537

567-
xlim=inset_ax.get_xlim()
568-
ylim=inset_ax.get_ylim()
569-
rect= (xlim[0],ylim[0],xlim[1]-xlim[0],ylim[1]-ylim[0])
570-
returnself.indicate_inset(rect,inset_ax,**kwargs)
538+
returnself.indicate_inset(None,inset_ax,**kwargs)
571539

572540
@_docstring.dedent_interpd
573541
defsecondary_xaxis(self,location,functions=None,*,transform=None,**kwargs):

‎lib/matplotlib/axes/_axes.pyi

Lines changed: 4 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -15,6 +15,7 @@ from matplotlib.colors import Colormap, Normalize
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frommatplotlib.containerimportBarContainer,ErrorbarContainer,StemContainer
1616
frommatplotlib.contourimportContourSet,QuadContourSet
1717
frommatplotlib.imageimportAxesImage,PcolorImage
18+
frommatplotlib.insetimportInsetIndicator
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frommatplotlib.legendimportLegend
1920
frommatplotlib.legend_handlerimportHandlerBase
2021
frommatplotlib.linesimportLine2D,AxLine
@@ -74,7 +75,7 @@ class Axes(_AxesBase):
7475
)->Axes: ...
7576
defindicate_inset(
7677
self,
77-
bounds:tuple[float,float,float,float],
78+
bounds:tuple[float,float,float,float]|None= ...,
7879
inset_ax:Axes|None= ...,
7980
*,
8081
transform:Transform|None= ...,
@@ -83,8 +84,8 @@ class Axes(_AxesBase):
8384
alpha:float= ...,
8485
zorder:float= ...,
8586
**kwargs
86-
)->Rectangle: ...
87-
defindicate_inset_zoom(self,inset_ax:Axes,**kwargs)->Rectangle: ...
87+
)->InsetIndicator: ...
88+
defindicate_inset_zoom(self,inset_ax:Axes,**kwargs)->InsetIndicator: ...
8889
defsecondary_xaxis(
8990
self,
9091
location:Literal["top","bottom"]|float,

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