Fix Poly3Dcollection autoscaling

scottshambaugh · scottshambaugh · commit 47dfbccc78e3 · 2025-01-02T17:44:52.000-07:00
diff --git a/lib/mpl_toolkits/mplot3d/axes3d.py b/lib/mpl_toolkits/mplot3d/axes3d.py
@@ -2891,7 +2891,9 @@ def add_collection3d(self, col, zs=0, zdir='z', autolim=True, *,
                 self.auto_scale_xyz(*np.array(col._segments3d).transpose(),
                                     had_data=had_data)
             elif isinstance(col, art3d.Poly3DCollection):
-                self.auto_scale_xyz(*col._vec[:-1], had_data=had_data)
+                self.auto_scale_xyz(col._faces[..., 0],
+                                    col._faces[..., 1],
+                                    col._faces[..., 2], had_data=had_data)
             elif isinstance(col, art3d.Patch3DCollection):
                 pass
                 # FIXME: Implement auto-scaling function for Patch3DCollection
