.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "gallery/plotting/plot.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

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

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

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

.. _sphx_glr_gallery_plotting_plot.py:


Plot data with different styles
===============================

.. GENERATED FROM PYTHON SOURCE LINES 10-65



.. image-sg:: /gallery/plotting/images/sphx_glr_plot_001.png
   :alt: plot
   :srcset: /gallery/plotting/images/sphx_glr_plot_001.png
   :class: sphx-glr-single-img





.. code-block:: Python


    import numpy as np

    from vispy import plot as vp

    fig = vp.Fig(size=(600, 500), show=False)

    # Plot the target square wave shape
    x = np.linspace(0, 10, 1000)
    y = np.zeros(1000)
    y[1:500] = 1
    y[500:-1] = -1
    line = fig[0, 0].plot((x, y), width=3, color='k',
                          title='Square Wave Fourier Expansion', xlabel='x',
                          ylabel='4/π Σ[ 1/n sin(nπx/L) | n=1,3,5,...]')

    y = np.zeros(1000)
    L = 5
    colors = [(0.8, 0, 0, 1),
              (0.8, 0, 0.8, 1),
              (0, 0, 1.0, 1),
              (0, 0.7, 0, 1), ]
    plot_nvals = [1, 3, 7, 31]
    for i in range(16):
        n = i * 2 + 1
        y += (4. / np.pi) * (1. / n) * np.sin(n * np.pi * x / L)
        if n in plot_nvals:
            tmp_line = fig[0, 0].plot((x, y), color=colors[plot_nvals.index(n)],
                                      width=2)
            tmp_line.update_gl_state(depth_test=False)

    labelgrid = fig[0, 0].view.add_grid(margin=10)

    box = vp.Widget(bgcolor=(1, 1, 1, 0.6), border_color='k')
    box_widget = labelgrid.add_widget(box, row=0, col=1)
    box_widget.width_max = 90
    box_widget.height_max = 120

    bottom_spacer = vp.Widget()
    labelgrid.add_widget(bottom_spacer, row=1, col=0)

    labels = [vp.Label('n=%d' % plot_nvals[i], color=colors[i], anchor_x='left')
              for i in range(len(plot_nvals))]
    boxgrid = box.add_grid()
    for i, label in enumerate(labels):
        label_widget = boxgrid.add_widget(label, row=i, col=0)


    grid = vp.visuals.GridLines(color=(0, 0, 0, 0.5))
    grid.set_gl_state('translucent')
    fig[0, 0].view.add(grid)


    if __name__ == '__main__':
        fig.show(run=True)


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

   **Total running time of the script:** (0 minutes 2.577 seconds)


.. _sphx_glr_download_gallery_plotting_plot.py:

.. only:: html

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

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

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

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

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


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_