diff --git a/lib/matplotlib/markers.py b/lib/matplotlib/markers.py
index d5b051709ef6..366a17e4fceb 100644
--- a/lib/matplotlib/markers.py
+++ b/lib/matplotlib/markers.py
@@ -249,12 +249,14 @@ def get_marker(self):
return self._marker
def set_marker(self, marker):
- if (isinstance(marker, Sized) and len(marker) in (2, 3) and
+ if (isinstance(marker, np.ndarray) and marker.ndim == 2 and
+ marker.shape[1] == 2):
+ self._marker_function = self._set_vertices
+ elif (isinstance(marker, Sized) and len(marker) in (2, 3) and
marker[1] in (0, 1, 2, 3)):
self._marker_function = self._set_tuple_marker
- elif isinstance(marker, np.ndarray):
- self._marker_function = self._set_vertices
- elif not isinstance(marker, list) and marker in self.markers:
+ elif (not isinstance(marker, (np.ndarray, list)) and
+ marker in self.markers):
self._marker_function = getattr(
self, '_set_' + self.markers[marker])
elif is_string_like(marker) and is_math_text(marker):
diff --git a/lib/matplotlib/tests/test_marker.py b/lib/matplotlib/tests/test_marker.py
new file mode 100644
index 000000000000..e2290f029dcc
--- /dev/null
+++ b/lib/matplotlib/tests/test_marker.py
@@ -0,0 +1,20 @@
+import numpy as np
+from matplotlib import markers
+
+import pytest
+
+
+def test_markers_valid():
+ marker_style = markers.MarkerStyle()
+ mrk_array = np.array([[-0.5, 0],
+ [0.5, 0]])
+ # Checking this doesn't fail.
+ marker_style.set_marker(mrk_array)
+
+
+def test_markers_invalid():
+ marker_style = markers.MarkerStyle()
+ mrk_array = np.array([[-0.5, 0, 1, 2, 3]])
+ # Checking this does fail.
+ with pytest.raises(ValueError):
+ marker_style.set_marker(mrk_array)
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