Pie and donut charts

Glyphs

Wedge

The wedge() glyph method renders a filled wedge. It accepts radius, start_angle, and end_angle to determine position. Additionally, the direction property determines whether to render clockwise ("clock") or anti-clockwise ("anticlock") between the start and end angles.

from bokeh.plotting import figure, show

p = figure(width=400, height=400)
p.wedge(x=[1, 2, 3], y=[1, 2, 3], radius=0.2, start_angle=0.4, end_angle=4.8,
        color="firebrick", alpha=0.6, direction="clock")

show(p)

Annular wedge

The annular_wedge() glyph method is similar to wedge() but leaves an inner portion of the wedge hollow. It accepts an inner_radius and outer_radius instead of just radius.

from bokeh.plotting import figure, show

p = figure(width=400, height=400)
p.annular_wedge(x=[1, 2, 3], y=[1, 2, 3], inner_radius=0.1, outer_radius=0.25,
                start_angle=0.4, end_angle=4.8, color="green", alpha=0.6)

show(p)

Annulus

Finally, the annulus() glyph method also accepts inner_radius and outer_radius to produce hollow circles.

Pie chart

Donut chart

from bokeh.plotting import figure, show

p = figure(width=400, height=400)
p.annulus(x=[1, 2, 3], y=[1, 2, 3], inner_radius=0.1, outer_radius=0.25,
          color="orange", alpha=0.6)

show(p)