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Commitb807359

Browse files
sramesh750chahak13
andcommitted
FIX: make inset axes transparent on figures
Co-authored-by: Shreeya Ramesh <shreeyar@umich.edu>Co-authored-by: Chahak Mehta <chahakmehta013@gmail.com>
1 parent647afe6 commitb807359

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2 files changed

+51
-3
lines changed

2 files changed

+51
-3
lines changed

‎lib/matplotlib/figure.py

Lines changed: 28 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -3059,12 +3059,37 @@ def savefig(self, fname, *, transparent=None, **kwargs):
30593059

30603060
withExitStack()asstack:
30613061
iftransparent:
3062+
def_recursively_make_subfig_transparent(exit_stack,subfig):
3063+
exit_stack.enter_context(
3064+
subfig.patch._cm_set(
3065+
facecolor="none",edgecolor="none"))
3066+
foraxinsubfig.axes:
3067+
exit_stack.enter_context(
3068+
ax.patch._cm_set(
3069+
facecolor="none",edgecolor="none"))
3070+
forsub_subfiginsubfig.subfigs:
3071+
_recursively_make_subfig_transparent(
3072+
exit_stack,sub_subfig)
3073+
3074+
def_recursively_make_axes_transparent(exit_stack,ax):
3075+
exit_stack.enter_context(
3076+
ax.patch._cm_set(facecolor="none",edgecolor="none"))
3077+
forchild_axinax.child_axes:
3078+
exit_stack.enter_context(
3079+
child_ax.patch._cm_set(
3080+
facecolor="none",edgecolor="none"))
3081+
forchild_childaxinax.child_axes:
3082+
_recursively_make_axes_transparent(
3083+
exit_stack,child_childax)
3084+
30623085
kwargs.setdefault('facecolor','none')
30633086
kwargs.setdefault('edgecolor','none')
3087+
# set subfigure to appear transparent in printed image
3088+
forsubfiginself.subfigs:
3089+
_recursively_make_subfig_transparent(stack,subfig)
3090+
# set axes to be transparent
30643091
foraxinself.axes:
3065-
stack.enter_context(
3066-
ax.patch._cm_set(facecolor='none',edgecolor='none'))
3067-
3092+
_recursively_make_axes_transparent(stack,ax)
30683093
self.canvas.print_figure(fname,**kwargs)
30693094

30703095
defginput(self,n=1,timeout=30,show_clicks=True,

‎lib/matplotlib/tests/test_figure.py

Lines changed: 23 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -557,6 +557,29 @@ def test_savefig_pixel_ratio(backend):
557557
assertratio1==ratio2
558558

559559

560+
@mpl.rc_context({"savefig.transparent":True})
561+
@check_figures_equal(extensions=["png"])
562+
deftest_savefig_transparent(fig_test,fig_ref):
563+
# create two transparent subfigures with corresponding transparent inset
564+
# axes. the entire background of the image should be transparent.
565+
gs1=fig_test.add_gridspec(3,3,left=0.05,wspace=0.05)
566+
f1=fig_test.add_subfigure(gs1[:, :])
567+
f2=f1.add_subfigure(gs1[0,0])
568+
569+
ax12=f2.add_subplot(gs1[:, :])
570+
571+
ax1=f1.add_subplot(gs1[:-1, :])
572+
iax1=ax1.inset_axes([.1,.2,.3,.4])
573+
iax2=iax1.inset_axes([.1,.2,.3,.4])
574+
575+
ax2=fig_test.add_subplot(gs1[-1, :-1])
576+
ax3=fig_test.add_subplot(gs1[-1,-1])
577+
578+
foraxin [ax12,ax1,iax1,iax2,ax2,ax3]:
579+
ax.set(xticks=[],yticks=[])
580+
ax.spines[:].set_visible(False)
581+
582+
560583
deftest_figure_repr():
561584
fig=plt.figure(figsize=(10,20),dpi=10)
562585
assertrepr(fig)=="<Figure size 100x200 with 0 Axes>"

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