explorer.py 文件源码

def __init__(self):
        self.mpl_kwargs = {}
        # Defines the cube which is to be plotted.
        self.cube_picker = ipywidgets.Dropdown(description='Cubes:',
                                               options=('None', None),
                                               value=None,
                                               width='50%')

        # Define the type of cube browser plot required
        self.plot_type = ipywidgets.Dropdown(
            description='Plot type:',
            options={'pcolormesh': cube_browser.Pcolormesh,
                     'contour': cube_browser.Contour,
                     'contourf': cube_browser.Contourf},
            value=cube_browser.Pcolormesh)

        self.x_coord = ipywidgets.Dropdown(
            description='X Coord',
            options=('None', None))
        self.y_coord = ipywidgets.Dropdown(
            description='Y Coord',
            options=('None', None))
        self.cmap = ipywidgets.Text(
            description='colour map')

        # Handle events:
        self.cube_picker.observe(self._handle_cube_selection,
                                 names='value')
        self.cmap.observe(self._handle_cmap, names='value')
        self.plot_type.observe(self._handle_plot_type, names='value')

        self._box = ipywidgets.Box(children=[self.cube_picker,
                                             self.plot_type,
                                             self.x_coord,
                                             self.y_coord,
                                             self.cmap])