grid.py 文件源码

def main():
    (colors, timelines) = read_data(sys.argv[1])
    (lower_bound, upper_bound) = timelines.get_bounds()
    graphic = GraphicRenderer(lower_bound, upper_bound)
    top_legend = TopLegendRenderer()
    range_values = timelines.get_all_range_values()
    range_colors = []
    for range_value in range_values:
        range_colors.append(colors.lookup(range_value))
    top_legend.set_legends(range_values, 
                           range_colors)
    graphic.set_top_legend(top_legend)
    data = TimelinesRenderer()
    data.set_timelines(timelines, colors)
    graphic.set_data(data)

    # default range
    range_mid = (upper_bound - lower_bound) / 2
    range_width = (upper_bound - lower_bound) / 10
    range_lo = range_mid - range_width / 2
    range_hi = range_mid + range_width / 2
    graphic.set_range(range_lo, range_hi)

    main_window = MainWindow()
    main_window.run(graphic)