

.. _sphx_glr_gallery_api_logos2.py:


================
Matplotlib Logos
================

Displays some matplotlib logos.

Thanks to Tony Yu <tsyu80@gmail.com> for the logo design




.. image:: /gallery/api/images/sphx_glr_logos2_001.png
    :align: center





.. code-block:: python


    import numpy as np
    import matplotlib as mpl
    import matplotlib.pyplot as plt
    import matplotlib.cm as cm

    mpl.rcParams['xtick.labelsize'] = 10
    mpl.rcParams['ytick.labelsize'] = 12
    mpl.rcParams['axes.edgecolor'] = 'gray'


    axalpha = 0.05
    figcolor = 'white'
    dpi = 80
    fig = plt.figure(figsize=(6, 1.1), dpi=dpi)
    fig.patch.set_edgecolor(figcolor)
    fig.patch.set_facecolor(figcolor)


    def add_math_background():
        ax = fig.add_axes([0., 0., 1., 1.])

        text = []
        text.append(
            (r"$W^{3\beta}_{\delta_1 \rho_1 \sigma_2} = "
             r"U^{3\beta}_{\delta_1 \rho_1} + \frac{1}{8 \pi 2}"
             r"\int^{\alpha_2}_{\alpha_2} d \alpha^\prime_2 "
             r"\left[\frac{ U^{2\beta}_{\delta_1 \rho_1} - "
             r"\alpha^\prime_2U^{1\beta}_{\rho_1 \sigma_2} "
             r"}{U^{0\beta}_{\rho_1 \sigma_2}}\right]$", (0.7, 0.2), 20))
        text.append((r"$\frac{d\rho}{d t} + \rho \vec{v}\cdot\nabla\vec{v} "
                     r"= -\nabla p + \mu\nabla^2 \vec{v} + \rho \vec{g}$",
                     (0.35, 0.9), 20))
        text.append((r"$\int_{-\infty}^\infty e^{-x^2}dx=\sqrt{\pi}$",
                     (0.15, 0.3), 25))
        text.append((r"$F_G = G\frac{m_1m_2}{r^2}$",
                     (0.85, 0.7), 30))
        for eq, (x, y), size in text:
            ax.text(x, y, eq, ha='center', va='center', color="#11557c",
                    alpha=0.25, transform=ax.transAxes, fontsize=size)
        ax.set_axis_off()
        return ax


    def add_matplotlib_text(ax):
        ax.text(0.95, 0.5, 'matplotlib', color='#11557c', fontsize=65,
                ha='right', va='center', alpha=1.0, transform=ax.transAxes)


    def add_polar_bar():
        ax = fig.add_axes([0.025, 0.075, 0.2, 0.85], projection='polar')

        ax.patch.set_alpha(axalpha)
        ax.set_axisbelow(True)
        N = 7
        arc = 2. * np.pi
        theta = np.arange(0.0, arc, arc/N)
        radii = 10 * np.array([0.2, 0.6, 0.8, 0.7, 0.4, 0.5, 0.8])
        width = np.pi / 4 * np.array([0.4, 0.4, 0.6, 0.8, 0.2, 0.5, 0.3])
        bars = ax.bar(theta, radii, width=width, bottom=0.0)
        for r, bar in zip(radii, bars):
            bar.set_facecolor(cm.jet(r/10.))
            bar.set_alpha(0.6)

        for label in ax.get_xticklabels() + ax.get_yticklabels():
            label.set_visible(False)

        for line in ax.get_ygridlines() + ax.get_xgridlines():
            line.set_lw(0.8)
            line.set_alpha(0.9)
            line.set_ls('-')
            line.set_color('0.5')

        ax.set_yticks(np.arange(1, 9, 2))
        ax.set_rmax(9)


    if __name__ == '__main__':
        main_axes = add_math_background()
        add_polar_bar()
        add_matplotlib_text(main_axes)
        plt.show()

**Total running time of the script:** ( 0 minutes  0.070 seconds)



.. container:: sphx-glr-footer


  .. container:: sphx-glr-download

     :download:`Download Python source code: logos2.py <logos2.py>`



  .. container:: sphx-glr-download

     :download:`Download Jupyter notebook: logos2.ipynb <logos2.ipynb>`

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

    `Generated by Sphinx-Gallery <https://sphinx-gallery.readthedocs.io>`_
