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Fix eps hatching in MacOS Preview by mkvoya · Pull Request #15064 · matplotlib/matplotlib · GitHub

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Fix eps hatching in MacOS Preview - #15064

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tacaswell merged 1 commit into
matplotlib:masterfrom
mkvoya:fix-macos-preview-eps-hatching
Aug 19, 2019
Merged

tacaswell merged 1 commit into
matplotlib:masterfrom
mkvoya:fix-macos-preview-eps-hatching

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mkvoya commented Aug 15, 2019 •
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PR Summary

Hatching in EPS figures doesn't show up in Preview on MacOS X as reported in #8289.
This PR fixes the problem.

PR Checklist

  • Has Pytest style unit tests
  • Code is Flake 8 compliant
  • New features are documented, with examples if plot related
  • Documentation is sphinx and numpydoc compliant
  • Added an entry to doc/users/next_whats_new/ if major new feature (follow instructions in README.rst there)
  • Documented in doc/api/api_changes.rst if API changed in a backward-incompatible way

jklymak commented Aug 15, 2019

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Looks good. Do we having hatching tests?

QuLogic commented Aug 15, 2019

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We do, but I don't think any of them check (e)ps output.

tacaswell added this to the v3.2.0 milestone Aug 16, 2019

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Does this still break #6228 ?

mkvoya commented Aug 16, 2019

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Does this still break #6228 ?

I don't think this breaks #6228.
The example program gives me the same results (as in the discussion) before and after this patch.
Though the results look strange.


)

mkvoya commented Aug 16, 2019

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Also, it would be better if someone else can confirm the results, since I only tried this on my own laptop.

czeni commented Aug 16, 2019

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Some clarification to this path from my side. When I plotted with hatching in PyCharm, its own viewer
hatched bar plots correctly. But when I opened the eps file directly on ubuntu (and windows too), or included in a Latex file, the hatches disappeared.

mkvoya commented Aug 17, 2019

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Some clarification to this path from my side. When I plotted with hatching in PyCharm, its own viewer
hatched bar plots correctly. But when I opened the eps file directly on ubuntu (and windows too), or included in a Latex file, the hatches disappeared.

I tried this myself using a newly installed Ubuntu 19.04 virtual machine.
The Document Viewer shows the eps correctly.

The EPS file is generated by MacOS (in the fish shell, rather than PyCharm) and transferred to the VM.
The script to generate EPS is as follows.

from matplotlib import pyplot as plt
from matplotlib.patches import Ellipse

fig = plt.figure()
ax = fig.add_subplot(1,1,1)
ell = Ellipse((0.5, 0.5), 0.3, 0.4, 30, fill=False, hatch='/', facecolor='red', edgecolor='black')
ax.add_patch(ell)
fig.savefig('test.eps')

The EPS file is shown correctly in Win10 by an app called Pictures Opener.

So, would you please provide more details about your situation?

anntzer left a comment

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

I can't test on OSX, but this seems right (and thus ghostscript buggy? dunno) -- fill should clear the current path, so we need to save it with gsave/grestore to keep it available for stroke.

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