diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
index f1a16cbd6504..81f8aa4ee4d4 100644
--- a/lib/matplotlib/axes/_axes.py
+++ b/lib/matplotlib/axes/_axes.py
@@ -4393,8 +4393,9 @@ def scatter(self, x, y, s=None, c=None, marker=None, cmap=None, norm=None,
- 'none': No patch boundary will be drawn.
- A color or sequence of colors.
- For non-filled markers, the *edgecolors* kwarg is ignored and
- forced to 'face' internally.
+ For non-filled markers, *edgecolors* is ignored. Instead, the color
+ is determined like with 'face', i.e. from *c*, *colors*, or
+ *facecolors*.
plotnonfinite : bool, default: False
Set to plot points with nonfinite *c*, in conjunction with
@@ -4476,7 +4477,6 @@ def scatter(self, x, y, s=None, c=None, marker=None, cmap=None, norm=None,
path = marker_obj.get_path().transformed(
marker_obj.get_transform())
if not marker_obj.is_filled():
- edgecolors = 'face'
if linewidths is None:
linewidths = rcParams['lines.linewidth']
elif np.iterable(linewidths):
@@ -4488,8 +4488,8 @@ def scatter(self, x, y, s=None, c=None, marker=None, cmap=None, norm=None,
collection = mcoll.PathCollection(
(path,), scales,
- facecolors=colors,
- edgecolors=edgecolors,
+ facecolors=colors if marker_obj.is_filled() else 'none',
+ edgecolors=edgecolors if marker_obj.is_filled() else colors,
linewidths=linewidths,
offsets=offsets,
transOffset=kwargs.pop('transform', self.transData),
diff --git a/lib/matplotlib/markers.py b/lib/matplotlib/markers.py
index afa8c105e3c4..e9c5fbc21a99 100644
--- a/lib/matplotlib/markers.py
+++ b/lib/matplotlib/markers.py
@@ -232,7 +232,10 @@ def _recache(self):
self._snap_threshold = None
self._joinstyle = 'round'
self._capstyle = 'butt'
- self._filled = True
+ # Initial guess: Assume the marker is filled unless the fillstyle is
+ # set to 'none'. The marker function will override this for unfilled
+ # markers.
+ self._filled = self._fillstyle != 'none'
self._marker_function()
def __bool__(self):
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
index e6045868f737..178aba05b071 100644
--- a/lib/matplotlib/tests/test_axes.py
+++ b/lib/matplotlib/tests/test_axes.py
@@ -1837,6 +1837,16 @@ def test_scatter_color(self):
with pytest.raises(ValueError):
plt.scatter([1, 2, 3], [1, 2, 3], color=[1, 2, 3])
+ def test_scatter_unfilled(self):
+ coll = plt.scatter([0, 1, 2], [1, 3, 2], c=['0.1', '0.3', '0.5'],
+ marker=mmarkers.MarkerStyle('o', fillstyle='none'),
+ linewidths=[1.1, 1.2, 1.3])
+ assert coll.get_facecolors().shape == (0, 4) # no facecolors
+ assert_array_equal(coll.get_edgecolors(), [[0.1, 0.1, 0.1, 1],
+ [0.3, 0.3, 0.3, 1],
+ [0.5, 0.5, 0.5, 1]])
+ assert_array_equal(coll.get_linewidths(), [1.1, 1.2, 1.3])
+
def test_scatter_size_arg_size(self):
x = np.arange(4)
with pytest.raises(ValueError):
diff --git a/lib/matplotlib/tests/test_marker.py b/lib/matplotlib/tests/test_marker.py
index e50746165792..982f74bf8aee 100644
--- a/lib/matplotlib/tests/test_marker.py
+++ b/lib/matplotlib/tests/test_marker.py
@@ -7,6 +7,12 @@
import pytest
+def test_marker_fillstyle():
+ marker_style = markers.MarkerStyle(marker='o', fillstyle='none')
+ assert marker_style.get_fillstyle() == 'none'
+ assert not marker_style.is_filled()
+
+
def test_markers_valid():
marker_style = markers.MarkerStyle()
mrk_array = np.array([[-0.5, 0],
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