8000 DOC: add a note about linewidth to scatter docs by tacaswell · Pull Request #25414 · matplotlib/matplotlib · GitHub
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DOC: add a note about linewidth to scatter docs #25414

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Merged
merged 3 commits into from
Apr 1, 2023
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DOC: add a note about linewidth to scatter docs #25414

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6064a2e
DOC: add a note about linewidth to scatter docs
tacaswell Mar 8, 2023
732ec3a
DOC: improve wording
tacaswell Mar 31, 2023
cb058e2
DOC: fix spelling
tacaswell Mar 31, 2023
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12 changes: 12 additions & 0 deletions lib/matplotlib/axes/_axes.py
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Expand Up @@ -4478,6 +4478,18 @@ def scatter(self, x, y, s=None, c=None, marker=None, cmap=None, norm=None,
The marker size in points**2 (typographic points are 1/72 in.).
Default is ``rcParams['lines.markersize'] ** 2``.

The linewidth and edgecolor can visually interact with the marker
size, and can lead to artifacts if the marker size is smaller than
the linewidth.

If the linewidth is greater than 0 and the edgecolor is anything
but *'none'*, then the effective size of the marker will be
increased by half the linewidth because the stroke will be centered
on the edge of the shape.

To eliminate the marker edge either set *linewidth=0* or
*edgecolor='none'*.

c : array-like or list of colors or color, optional
The marker colors. Possible values:

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