.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "examples/demo_3d_cylinder.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

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

        :ref:`Go to the end <sphx_glr_download_examples_demo_3d_cylinder.py>`
        to download the full example code

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

.. _sphx_glr_examples_demo_3d_cylinder.py:


====================
Cylinder bar chart
====================

.. GENERATED FROM PYTHON SOURCE LINES 7-63



.. image-sg:: /examples/images/sphx_glr_demo_3d_cylinder_001.png
   :alt: demo 3d cylinder
   :srcset: /examples/images/sphx_glr_demo_3d_cylinder_001.png
   :class: sphx-glr-single-img





.. code-block:: Python


    import matplotlib.pyplot as plt
    import numpy as np
    from matplotlib.transforms import Affine2D

    import seaborn as sns

    penguins = sns.load_dataset("penguins")

    # Draw a nested barplot by species and sex
    g = sns.catplot(
        data=penguins, kind="bar",
        x="species", y="body_mass_g", hue="sex",
        errorbar=None,
        height=6,
    )
    g.despine(left=True)
    g.set_axis_labels("", "Body mass (g)")

    g.legend.set_title("")

    # Now we convert bars to prisms.

    from matplotlib.colors import LightSource
    from mpl_poormans_3d import BarToPrism, BarToCylinder

    ax = g.ax
    ax.set_ylim(ymin=-300)

    ls = LightSource(azdeg=25)

    max_height=6000
    colors=[None, "w", None, "w"] * 8
    rgbFace=None
    # affines=[(Affine2D().translate(10, -10).scale(0.5), Affine2D().translate(10, -10)),
    #          (Affine2D(), Affine2D().scale(0.5))]
    affines=[(Affine2D().translate(0, 0), Affine2D().translate(0, 0)),
             (Affine2D().translate(5, 0), Affine2D().translate(5, 0)),
             (Affine2D().translate(0, 0), Affine2D().translate(0, 0)),
             (Affine2D().translate(-5, 0), Affine2D().translate(-5, 0)),
             ] * 8

    segment_params = (ax, max_height, colors, rgbFace, affines)
    segment_params = None

    bar_to_prism = BarToPrism(ls, 4, scale=0.9, rotate_deg=20)
    # bar_to_prism = BarToCylinder(ls, scale=0.8, segment_params=segment_params,
    #                              fraction=0.3)

    for i, p in enumerate(ax.containers[0]):
        p.set_path_effects([bar_to_prism])

    for i, p in enumerate(ax.containers[1]):
        p.set_path_effects([bar_to_prism])

    plt.show()


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

   **Total running time of the script:** (0 minutes 0.386 seconds)


.. _sphx_glr_download_examples_demo_3d_cylinder.py:

.. only:: html

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

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

      :download:`Download Jupyter notebook: demo_3d_cylinder.ipynb <demo_3d_cylinder.ipynb>`

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

      :download:`Download Python source code: demo_3d_cylinder.py <demo_3d_cylinder.py>`


.. only:: html

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

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