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DOC: Improve Radio Buttons Grid example #31477

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Merged
QuLogic merged 1 commit into from
Apr 8, 2026
+7 −11
Merged

DOC: Improve Radio Buttons Grid example #31477

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18 changes: 7 additions & 11 deletions galleries/examples/widgets/radio_buttons_grid.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,36 +23,32 @@
t = np.arange(0.0, 2.0, 0.01)
s = np.sin(2 * np.pi * t)

fig, (ax_plot, ax_buttons) = plt.subplots(
fig, (ax, ax_buttons) = plt.subplots(
1,
2,
figsize=(8, 4),
width_ratios=[4, 1.4],
)

# Create initial plot
(line,) = ax_plot.plot(t, s, lw=2, color="red")
ax_plot.set_xlabel("Time (s)")
ax_plot.set_ylabel("Amplitude")
ax_plot.set_title("Sine Wave - Click a color!")
ax_plot.grid(True, alpha=0.3)
(line,) = ax.plot(t, s, lw=2, color="red")
ax.set(xlabel="Time (s)", ylabel="Amplitude", title="Sine Wave - Click a color!")

# Configure the radio buttons axes
ax_buttons.set_facecolor("0.9")
ax_buttons.set_title("Line Color", fontsize=12, pad=10)
ax_buttons.set_facecolor("0.95")
ax_buttons.set_title("Line Color")
# Create a 2D grid of color options (3 rows x 2 columns)
colors = ["red", "yellow", "green", "purple", "brown", "gray"]
radio = RadioButtons(ax_buttons, colors, layout=(3, 2))


def color_func(label):
def update_color(label):
"""Update the line color based on selected button."""
line.set_color(label)
fig.canvas.draw()
radio.on_clicked(update_color)


radio.on_clicked(color_func)

plt.show()

# %%
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