8000 Corrupt/invalid PDF and EPS files when saving a logscaled plot made with negative values by mdboom · Pull Request #1799 · matplotlib/matplotlib · GitHub
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Corrupt/invalid PDF and EPS files when saving a logscaled plot made with negative values #1799

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Merged
merged 1 commit into from
Mar 7, 2013
Merged

Corrupt/invalid PDF and EPS files when saving a logscaled plot made with negative values #1799

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2 changes: 2 additions & 0 deletions lib/matplotlib/backend_bases.py
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Original file line number Diff line number Diff line change
Expand Up @@ -372,6 +372,8 @@ def _iter_collection(self, gc, master_transform, all_transforms,
xp, yp = transform.transform_point((0, 0))
xo = -(xp - xo)
yo = -(yp - yo)
if not (np.isfinite(xo) and np.isfinite(yo)):
continue
if Nfacecolors:
rgbFace = facecolors[i % Nfacecolors]
if Nedgecolors:
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28 changes: 25 additions & 3 deletions lib/matplotlib/tests/test_scale.py
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Original file line number Diff line number Diff line change
@@ -1,12 +1,34 @@
from __future__ import print_function

from matplotlib.testing.decorators import image_comparison
from matplotlib.testing.decorators import image_comparison, cleanup
import matplotlib.pyplot as plt
import numpy as np
import io


@image_comparison(baseline_images=['log_scales'], remove_text=True)
def test_log_scales():
ax = plt.subplot(122, yscale='log', xscale='symlog')

ax.axvline(24.1)
ax.axhline(24.1)
ax.axhline(24.1)


@cleanup
def test_log_scatter():
"""Issue #1799"""
fig, ax = plt.subplots(1)

x = np.arange(10)
y = np.arange(10) - 1

ax.scatter(x, y)

buf = io.BytesIO()
fig.savefig(buf, format='pdf')

buf = io.BytesIO()
fig.savefig(buf, format='eps')

buf = io.BytesIO()
fig.savefig(buf, format='svg')
0