added dual pane view

app.py

@@ -49,6 +49,7 @@ dist = np.linalg.norm(mesh.points, axis=1)
 pl = pv.Plotter(shape=(1, 1),
                      window_size=(400, 400))
 _ = pl.add_mesh(slices, cmap="gray")
+pl.export_html('slices.html')
 
 pl = pv.Plotter(shape=(1, 1),
                      window_size=(400, 400))