Method update_vlines

deeplabcut/gui/tracklet_toolbox.py:805–807

(self, val)

            self.text.remove()

    def update_vlines(self, val):
        self.vline_x.set_xdata([val, val])
        self.vline_y.set_xdata([val, val])

    def on_change(self, val):
        self.mutex.lock()  # Make video frame retrieval thread-safe