plotting_legends_by_source.py — Anaconda Enterprise 4.4 documentation

Anaconda Enterprise: Documentation

# plotting_legends_by_source.py

    from bokeh.io import show
    from bokeh.models import ColumnDataSource
    from bokeh.palettes import RdBu3
    from bokeh.plotting import figure

    c1 = RdBu3[2] # red
    c2 = RdBu3[0] # blue
    source = ColumnDataSource(dict(
        x=[1, 2, 3, 4, 5, 6],
        y=[2, 1, 2, 1, 2, 1],
        color=[c1, c2, c1, c2, c1, c2],
        label=['hi', 'lo', 'hi', 'lo', 'hi', 'lo']
    ))

    p = figure(x_range=(0, 7), y_range=(0, 3), plot_height=300, tools='save')

    # Note legend field matches the column in `source`
    p.circle( x='x', y='y', radius=0.5, color='color', legend='label', source=source)
    show(p)