FIX: Fix roll setting (#237)

Author: larsoner

surfer/viz.py

@@ -555,7 +555,8 @@ def _toggle_render(self, state, views=None):
             if state is True and view is not None:
                 mlab.draw(figure=_f)
                 with warnings.catch_warnings(record=True):  # traits focalpoint
-                    mlab.view(*view[0], roll=view[1], figure=_f)
+                    mlab.view(*view[0], figure=_f)
+                    mlab.roll(view[1], figure=_f)
                 _f.scene.camera.parallel_scale = view[2]
         # let's do the ugly force draw
         if state is True: