8000 FIX: allow float markevery with nans in line data in _mark_every_path() · matplotlib/matplotlib@99d9475 · GitHub
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FIX: allow float markevery with nans in line data in _mark_every_path()
- TST: new test_markevery_linear_scales_nans() test + baseline images
1 parent a2a1b0a commit 99d9475

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‎lib/matplotlib/lines.py

Lines changed: 6 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -157,8 +157,12 @@ def _slice_or_none(in_v, slc):
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raise ValueError(
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"markevery is specified relative to the axes size, but "
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"the line does not have a Axes as parent")
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# calc cumulative distance along path (in display coords):
161-
disp_coords = affine.transform(tpath.vertices)
162+
fin = np.isfinite(verts).all(axis=1)
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fverts = verts[fin]
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disp_coords = affine.transform(fverts)
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delta = np.empty((len(disp_coords), 2))
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delta[0, :] = 0
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delta[1:, :] = disp_coords[1:, :] - disp_coords[:-1, :]
@@ -174,7 +178,7 @@ def _slice_or_none(in_v, slc):
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inds = inds.argmin(axis=1)
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inds = np.unique(inds)
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# return, we are done here
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return Path(verts[inds], _slice_or_none(codes, inds))
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return Path(fverts[inds], _slice_or_none(codes, inds))
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else:
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raise ValueError(
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f"markevery={markevery!r} is a tuple with len 2, but its "

‎lib/matplotlib/tests/baseline_images/test_axes/markevery_linear_scales_nans.pdf

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‎lib/matplotlib/tests/baseline_images/test_axes/markevery_linear_scales_nans.png

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