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inset locator fix with tests added by matt256 · Pull Request #24783 · matplotlib/matplotlib · GitHub

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inset locator fix with tests added #24783

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Merged
dstansby merged 1 commit into from
Jan 10, 2023
+21 −1
Conversation 12 Commits 1 Checks 0 Files changed 3
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inset locator fix with tests added #24783

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2 changes: 1 addition & 1 deletion lib/mpl_toolkits/axes_grid1/inset_locator.py
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Original file line number Diff line number Diff line change
Expand Up @@ -73,7 +73,7 @@ def __call__(self, ax, renderer):
bbox = self.get_window_extent(renderer)
px, py = self.get_offset(bbox.width, bbox.height, 0, 0, renderer)
bbox_canvas = Bbox.from_bounds(px, py, bbox.width, bbox.height)
tr = ax.figure.transFigure.inverted()
tr = ax.figure.transSubfigure.inverted()
return TransformedBbox(bbox_canvas, tr)


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Binary file added ...axes_grid1/tests/baseline_images/test_axes_grid1/anchored_locator_base_call.png
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20 changes: 20 additions & 0 deletions lib/mpl_toolkits/axes_grid1/tests/test_axes_grid1.py
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Expand Up @@ -716,3 +716,23 @@ def test_removal():
fig.canvas.draw()
col.remove()
fig.canvas.draw()


@image_comparison(['anchored_locator_base_call.png'], style="mpl20")

oscargus Dec 20, 2022

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality
Suggested change
@image_comparison(['anchored_locator_base_call.png'], style="mpl20")
@image_comparison(['anchored_locator_base_call.png'], style="mpl20", remove_text=True)

Or is the text a crucial part of the appearance?

(It is generally a good idea to remove the text if not needed, plus that it is cropped in this example.)

(A good approach to avoid conflicts is to insert the test at some random location in the file. This is as many insert it at the end and therefore it is more likely that there will be conflicts there. Hopefully this will be merged soon though.)

matt256 Dec 22, 2022

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

@oscargus. Thank you for the feedback. I agree with your comments but i had trouble generating a test image that would pass the image comparison test when remove_text is true. I do agree, however, that the test should be for just the image and not the text. I have resubmitted the test case where I didn't put the "remove_text" but did remove all the text in the test case and generate a test image without any text.

If this isn't quite acceptable, can you provide more details on your proposed approach? Thanks!
def test_anchored_locator_base_call():
fig = plt.figure(figsize=(3, 3))
fig1, fig2 = fig.subfigures(nrows=2, ncols=1)

ax = fig1.subplots()
ax.set(aspect=1, xlim=(-15, 15), ylim=(-20, 5))
ax.set(xticks=[], yticks=[])

Z = cbook.get_sample_data(
"axes_grid/bivariate_normal.npy", np_load=True
)
extent = (-3, 4, -4, 3)

axins = zoomed_inset_axes(ax, zoom=2, loc="upper left")
axins.set(xticks=[], yticks=[])

axins.imshow(Z, extent=extent, origin="lower")
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