
.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "gallery/mplot3d/lines3d.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

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

        Click :ref:`here <sphx_glr_download_gallery_mplot3d_lines3d.py>`
        to download the full example code

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

.. _sphx_glr_gallery_mplot3d_lines3d.py:


================
Parametric Curve
================

This example demonstrates plotting a parametric curve in 3D.

.. GENERATED FROM PYTHON SOURCE LINES 8-29



.. image:: /gallery/mplot3d/images/sphx_glr_lines3d_001.png
    :alt: lines3d
    :class: sphx-glr-single-img





.. code-block:: default


    import numpy as np
    import matplotlib.pyplot as plt


    plt.rcParams['legend.fontsize'] = 10

    fig = plt.figure()
    ax = fig.gca(projection='3d')

    # Prepare arrays x, y, z
    theta = np.linspace(-4 * np.pi, 4 * np.pi, 100)
    z = np.linspace(-2, 2, 100)
    r = z**2 + 1
    x = r * np.sin(theta)
    y = r * np.cos(theta)

    ax.plot(x, y, z, label='parametric curve')
    ax.legend()

    plt.show()


.. _sphx_glr_download_gallery_mplot3d_lines3d.py:


.. only :: html

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



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

     :download:`Download Python source code: lines3d.py <lines3d.py>`



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

     :download:`Download Jupyter notebook: lines3d.ipynb <lines3d.ipynb>`


.. only:: html

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

    Keywords: matplotlib code example, codex, python plot, pyplot
    `Gallery generated by Sphinx-Gallery
    <https://sphinx-gallery.readthedocs.io>`_
