How to make `slider.value` reactive?

Hi there! I have a notebook that contains two cells. I'd like to ask: How can I listen to changes in

slider.value

slider.value

in the second cell? I don't want to modify the first cell.
Suggestions are very welcome!
Here's the notebook:

import ipywidgets as widgets
from IPython.display import display
slider = widgets.IntSlider( value=7, min=0, max=10, description='Slider:', continuous_update=False)
display(slider)

import ipywidgets as widgets
from IPython.display import display
slider = widgets.IntSlider( value=7, min=0, max=10, description='Slider:', continuous_update=False)
display(slider)

import solara
from matplotlib.figure import Figure
import numpy as np

@solara.component
def Page():
    fig = Figure()
    ax = fig.subplots()
    max_x = slider.value
    x = np.linspace(0, max_x, 100)
    y = np.sin(x)
    ax.scatter(x, y, color="green")
    return solara.FigureMatplotlib(fig)
Page()

import solara
from matplotlib.figure import Figure
import numpy as np

@solara.component
def Page():
    fig = Figure()
    ax = fig.subplots()
    max_x = slider.value
    x = np.linspace(0, max_x, 100)
    y = np.sin(x)
    ax.scatter(x, y, color="green")
    return solara.FigureMatplotlib(fig)
Page()

Solara•2y ago•

4 replies

Jan-Hendrik Müller

How to make `slider.value` reactive?

Hi there! I have a notebook that contains two cells. I'd like to ask: How can I listen to changes in

slider.value

slider.value

in the second cell? I don't want to modify the first cell.
Suggestions are very welcome!
Here's the notebook:

import ipywidgets as widgets
from IPython.display import display
slider = widgets.IntSlider( value=7, min=0, max=10, description='Slider:', continuous_update=False)
display(slider)

import ipywidgets as widgets
from IPython.display import display
slider = widgets.IntSlider( value=7, min=0, max=10, description='Slider:', continuous_update=False)
display(slider)

import solara
from matplotlib.figure import Figure
import numpy as np

@solara.component
def Page():
    fig = Figure()
    ax = fig.subplots()
    max_x = slider.value
    x = np.linspace(0, max_x, 100)
    y = np.sin(x)
    ax.scatter(x, y, color="green")
    return solara.FigureMatplotlib(fig)
Page()

import solara
from matplotlib.figure import Figure
import numpy as np

@solara.component
def Page():
    fig = Figure()
    ax = fig.subplots()
    max_x = slider.value
    x = np.linspace(0, max_x, 100)
    y = np.sin(x)
    ax.scatter(x, y, color="green")
    return solara.FigureMatplotlib(fig)
Page()

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