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DOC: Improve Radio Buttons example #31476

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Merged
QuLogic merged 1 commit into from
Apr 11, 2026
+32 −24
Merged

DOC: Improve Radio Buttons example #31476

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56 changes: 32 additions & 24 deletions galleries/examples/widgets/radio_buttons.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,12 +19,15 @@

from matplotlib.widgets import RadioButtons

FREQUENCIES = {'1 Hz': 1, '2 Hz': 2, '4 Hz': 4}

t = np.arange(0.0, 2.0, 0.01)
s0 = np.sin(2*np.pi*t)
s1 = np.sin(4*np.pi*t)
s2 = np.sin(8*np.pi*t)

fig, ax = plt.subplot_mosaic(

def f(t, freq):
return np.sin(2 * np.pi * freq * t)

fig, axd = plt.subplot_mosaic(
[
['main', 'freq'],
['main', 'color'],
Expand All @@ -33,46 +36,51 @@
width_ratios=[5, 1],
layout='constrained',
)
l, = ax['main'].plot(t, s0, lw=2, color='red')
(line,) = axd['main'].plot(t, f(t, freq=1), lw=2, color='red')
axd['main'].set(xlabel="Time (s)", ylabel="Amplitude", title="Sine Wave")

radio_background = 'lightgoldenrodyellow'
background_color = '0.95'

ax['freq'].set_facecolor(radio_background)
radio = RadioButtons(ax['freq'], ('1 Hz', '2 Hz', '4 Hz'),
label_props={'color': 'cmy', 'fontsize': [12, 14, 16]},
axd['freq'].set_facecolor(background_color)
axd['freq'].set_title('Frequency')
radio = RadioButtons(axd['freq'], labels=list(FREQUENCIES.keys()),
label_props={'fontsize': [12, 14, 16]},
radio_props={'s': [16, 32, 64]})


def hzfunc(label):
hzdict = {'1 Hz': s0, '2 Hz': s1, '4 Hz': s2}
ydata = hzdict[label]
l.set_ydata(ydata)
def update_frequency(label):
ydata = f(t, freq=FREQUENCIES[label])
line.set_ydata(ydata)
fig.canvas.draw()
radio.on_clicked(hzfunc)
radio.on_clicked(update_frequency)

ax['color'].set_facecolor(radio_background)

axd['color'].set_facecolor(background_color)
axd['color'].set_title('Color')
radio2 = RadioButtons(
ax['color'], ('red', 'blue', 'green'),
axd['color'], ('red', 'blue', 'green'),
label_props={'color': ['red', 'blue', 'green']},
radio_props={
'facecolor': ['red', 'blue', 'green'],
'edgecolor': ['darkred', 'darkblue', 'darkgreen'],
})


def colorfunc(label):
l.set_color(label)
def update_color(label):
line.set_color(label)
fig.canvas.draw()
radio2.on_clicked(colorfunc)
radio2.on_clicked(update_color)


ax['linestyle'].set_facecolor(radio_background)
radio3 = RadioButtons(ax['linestyle'], ('-', '--', '-.', ':'))
axd['linestyle'].set_facecolor(background_color)
axd['linestyle'].set_title('Linestyle')
radio3 = RadioButtons(axd['linestyle'], ('solid', 'dashed', 'dashdot', 'dotted'))


def stylefunc(label):
l.set_linestyle(label)
def update_linestyle(label):
line.set_linestyle(label)
fig.canvas.draw()
radio3.on_clicked(stylefunc)
radio3.on_clicked(update_linestyle)

plt.show()

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