MapBoard.py 文件源码

def __init__(self, default_reticule, **kwargs):
        super(MapBoard, self).__init__(**kwargs)

        # Create the map viewer
        self.mapviewer = MapViewer(**kwargs)
        self.add_widget(self.mapviewer)

        # Load the reticule
        self.load_reticule(default_reticule)

        # Create compass button
        self.compass_button = CompassButton()
        self.add_widget(self.compass_button)

        # Add a reticule for calibration
        self.reticule_calib = Builder.load_file('ui/ScatterReticule.kv')

        # Create center_on_pos button
        self.load_center_on_pos()

        # Create path button
        path_button = PathButton()
        path_button.bind(on_press=self.mapviewer.toggle_tracking_path)
        self.add_widget(path_button)

        # Create the distance to center button
        self.dist_to_center_widget = None
        self.dist_to_center_visible =False
        self._dist_to_center_update_trigger = Clock.create_trigger(
            lambda x: self.dist_to_center_widget.set_distance(self.mapviewer.get_dist_to_center()), timeout=0.1)
        self.load_dist_to_center_button()