fix: fix auto-curving of edges with the Matplotlib backend, closes #685

igraph · Jun 30, 2023 · e5899ed · e5899ed
1 parent 4245a6c
commit e5899ed
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Showing 3 changed files with 10 additions and 1 deletion.
diff --git a/src/igraph/drawing/matplotlib/graph.py b/src/igraph/drawing/matplotlib/graph.py
@@ -165,7 +165,7 @@ def __init__(
 
     def _kwds_post_update(self):
         self.kwds["layout"] = self.ensure_layout(self.kwds["layout"], self.graph)
-        self.edge_curved = self._set_edge_curve(**self.kwds)
+        self.kwds["edge_curved"] = self._set_edge_curve(**self.kwds)
         self._clear_state()
         self.stale = True
 

diff --git a/tests/drawing/matplotlib/baseline_images/test_graph/graph_with_curved_edges.png b/tests/drawing/matplotlib/baseline_images/test_graph/graph_with_curved_edges.png
diff --git a/tests/drawing/matplotlib/test_graph.py b/tests/drawing/matplotlib/test_graph.py
@@ -105,6 +105,15 @@ def test_gh_587(self):
             plot(g, target="graph_basic.png", layout=self.layout_small_ring)
             os.unlink("graph_basic.png")
 
+    @image_comparison(baseline_images=["graph_with_curved_edges"])
+    def test_graph_with_curved_edges(self):
+        plt.close("all")
+        g = Graph.Ring(24, directed=True, mutual=True)
+        fig, ax = plt.subplots()
+        lo = g.layout("circle")
+        lo.scale(3)
+        plot(g, target=ax, layout=lo)
+
 
 class ClusteringTestRunner(unittest.TestCase):
     def setUp(self):