Fix cell vertex ids (#7665)

mne-tools · Apr 23, 2020 · c80483f · c80483f
1 parent 49284ff
commit c80483f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/mne/viz/_brain/_timeviewer.py b/mne/viz/_brain/_timeviewer.py
@@ -796,7 +796,9 @@ def on_pick(self, vtk_picker, event):
         elif self._mouse_no_mvt:
             hemi = mesh._hemi
             pos = vtk_picker.GetPickPosition()
-            cell = mesh.faces[cell_id][1:]
+            vtk_cell = mesh.GetCell(cell_id)
+            cell = [vtk_cell.GetPointId(point_id) for point_id
+                    in range(vtk_cell.GetNumberOfPoints())]
             vertices = mesh.points[cell]
             idx = np.argmin(abs(vertices - pos), axis=0)
             vertex_id = cell[idx[0]]