TST and DOC

jklymak · jklymak · commit 7362fa3b50f0 · 2022-03-23T22:46:06.000+01:00
diff --git a/doc/api/next_api_changes/behavior/22691-JMK.rst b/doc/api/next_api_changes/behavior/22691-JMK.rst
@@ -0,0 +1,4 @@
+QuadMesh cursor data removed
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+`.QuadMesh.get_cursor_data`, introduced in 3.5.1 is unreasonably slow for
+large meshes, so this method has been removed.
diff --git a/lib/matplotlib/tests/test_collections.py b/lib/matplotlib/tests/test_collections.py
@@ -1039,26 +1039,6 @@ def test_array_wrong_dimensions():
     pc.update_scalarmappable()
 
 
-def test_quadmesh_cursor_data():
-    fig, ax = plt.subplots()
-    *_, qm = ax.hist2d(
-        np.arange(11)**2, 100 + np.arange(11)**2)  # width-10 bins
-
-    x, y = ax.transData.transform([1, 101])
-    event = MouseEvent('motion_notify_event', fig.canvas, x, y)
-
-    assert qm.get_show_cursor_data() is False
-    assert qm.get_cursor_data(event) is None
-
-    qm.set_show_cursor_data(True)
-    assert qm.get_cursor_data(event) == 4  # (0**2, 1**2, 2**2, 3**2)
-
-    # Outside the quadmesh bounds
-    x, y = ax.transData.transform([-1, 101])
-    event = MouseEvent('motion_notify_event', fig.canvas, x, y)
-    assert qm.get_cursor_data(event) is None
-
-
 def test_get_segments():
     segments = np.tile(np.linspace(0, 1, 256), (2, 1)).T
     lc = LineCollection([segments])
