matplotlib
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‎lib/matplotlib/tests/test_axes.py‎
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‎lib/matplotlib/tests/test_axes.py‎
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+17Lines changed: 17 additions & 0 deletions
@@ -5931,3 +5931,20 @@ def test_scatter_empty_data():
     # making sure this does not raise an exception
     plt.scatter([], [])
     plt.scatter([], [], s=[], c=[])
+
+
+@image_comparison(baseline_images=['annotate_across_transforms'],
+        style='mpl20', extensions=['png'], remove_text=True)
+def test_annotate_across_transforms():
+    x = np.linspace(0, 10, 200)
+    y = np.exp(-x) * np.sin(x)
+
+    fig, ax = plt.subplots(figsize=(3.39, 3))
+    ax.plot(x, y)
+    axins = ax.inset_axes([0.4, 0.5, 0.3, 0.3])
+    axins.set_aspect(0.2)
+    axins.xaxis.set_visible(False)
+    axins.yaxis.set_visible(False)
+    ax.annotate("", xy=(x[150], y[150]), xycoords=ax.transData,
+            xytext=(1, 0), textcoords=axins.transAxes,
+            arrowprops=dict(arrowstyle="->"))