Remove vtkLookupTable

GuillaumeFavelier · GuillaumeFavelier · commit c2f56b58cc80 · 2020-10-21T18:26:49.000+02:00
diff --git a/mne/viz/_brain/_brain.py b/mne/viz/_brain/_brain.py
@@ -429,6 +429,12 @@ def _clean(self):
         # resolve the reference cycle
         self.geo.clear()
         self._hemi_meshes.clear()
+        for h in self._hemis:
+            actor = self._hemi_actors[h]
+            if actor is not None:
+                mapper = actor.GetMapper()
+                mapper.SetLookupTable(None)
+                actor.SetMapper(None)
         self._hemi_actors.clear()
         self._data.clear()
         for renderer in self.plotter.renderers:
