.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "11_demos\python_packages\matplotlib\demo_slider.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download_11_demos_python_packages_matplotlib_demo_slider.py>`
        to download the full example code.

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_11_demos_python_packages_matplotlib_demo_slider.py:

Slider
=========

.. GENERATED FROM PYTHON SOURCE LINES 5-61



.. image-sg:: /11_demos/python_packages/matplotlib/images/sphx_glr_demo_slider_001.png
   :alt: demo slider
   :srcset: /11_demos/python_packages/matplotlib/images/sphx_glr_demo_slider_001.png
   :class: sphx-glr-single-img





.. code-block:: Python


    import numpy as np
    import matplotlib.pyplot as plt
    from matplotlib.widgets import Slider, Button, RadioButtons

    fig, ax = plt.subplots()
    plt.subplots_adjust(left=0.25, bottom=0.25)
    t = np.arange(0.0, 1.0, 0.001)
    a0 = 5
    f0 = 3
    delta_f = 5.0
    s = a0 * np.sin(2 * np.pi * f0 * t)
    (l,) = plt.plot(t, s, lw=2, color="red")
    plt.axis([0, 1, -10, 10])

    axcolor = "lightgoldenrodyellow"
    axfreq = plt.axes([0.25, 0.1, 0.65, 0.03], facecolor=axcolor)
    axamp = plt.axes([0.25, 0.15, 0.65, 0.03], facecolor=axcolor)

    sfreq = Slider(axfreq, "Freq", 0.1, 30.0, valinit=f0, valstep=delta_f)
    samp = Slider(axamp, "Amp", 0.1, 10.0, valinit=a0)


    def update(val):
        amp = samp.val
        freq = sfreq.val
        l.set_ydata(amp * np.sin(2 * np.pi * freq * t))
        fig.canvas.draw_idle()


    sfreq.on_changed(update)
    samp.on_changed(update)

    resetax = plt.axes([0.8, 0.025, 0.1, 0.04])
    button = Button(resetax, "Reset", color=axcolor, hovercolor="0.975")


    def reset(event):
        sfreq.reset()
        samp.reset()


    button.on_clicked(reset)

    rax = plt.axes([0.025, 0.5, 0.15, 0.15], facecolor=axcolor)
    radio = RadioButtons(rax, ("red", "blue", "green"), active=0)


    def colorfunc(label):
        l.set_color(label)
        fig.canvas.draw_idle()


    radio.on_clicked(colorfunc)

    plt.show()


.. rst-class:: sphx-glr-timing

   **Total running time of the script:** (0 minutes 0.195 seconds)


.. _sphx_glr_download_11_demos_python_packages_matplotlib_demo_slider.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: demo_slider.ipynb <demo_slider.ipynb>`

    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: demo_slider.py <demo_slider.py>`

    .. container:: sphx-glr-download sphx-glr-download-zip

      :download:`Download zipped: demo_slider.zip <demo_slider.zip>`