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<div class="section" id="matplotlib-logos">
<span id="sphx-glr-gallery-api-logos2-py"></span><h1>Matplotlib Logos<a class="headerlink" href="#matplotlib-logos" title="Permalink to this headline">¶</a></h1>
<p>Displays some matplotlib logos.</p>
<p>Thanks to Tony Yu <<a class="reference external" href="mailto:tsyu80%40gmail.com">tsyu80<span>@</span>gmail<span>.</span>com</a>> for the logo design</p>
<img alt="../../_images/sphx_glr_logos2_001.png" class="align-center" src="../../_images/sphx_glr_logos2_001.png" />
<div class="highlight-python"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">numpy</span> <span class="kn">as</span> <span class="nn">np</span>
<span class="kn">import</span> <span class="nn">matplotlib</span> <span class="kn">as</span> <span class="nn">mpl</span>
<span class="kn">import</span> <span class="nn">matplotlib.pyplot</span> <span class="kn">as</span> <span class="nn">plt</span>
<span class="kn">import</span> <span class="nn">matplotlib.cm</span> <span class="kn">as</span> <span class="nn">cm</span>
<a href="../../api/matplotlib_configuration_api.html#matplotlib.rcParams" title="View documentation for matplotlib.rcParams"><span class="n">mpl</span><span class="o">.</span><span class="n">rcParams</span></a><span class="p">[</span><span class="s1">'xtick.labelsize'</span><span class="p">]</span> <span class="o">=</span> <span class="mi">10</span>
<a href="../../api/matplotlib_configuration_api.html#matplotlib.rcParams" title="View documentation for matplotlib.rcParams"><span class="n">mpl</span><span class="o">.</span><span class="n">rcParams</span></a><span class="p">[</span><span class="s1">'ytick.labelsize'</span><span class="p">]</span> <span class="o">=</span> <span class="mi">12</span>
<a href="../../api/matplotlib_configuration_api.html#matplotlib.rcParams" title="View documentation for matplotlib.rcParams"><span class="n">mpl</span><span class="o">.</span><span class="n">rcParams</span></a><span class="p">[</span><span class="s1">'axes.edgecolor'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'gray'</span>
<span class="n">axalpha</span> <span class="o">=</span> <span class="mf">0.05</span>
<span class="n">figcolor</span> <span class="o">=</span> <span class="s1">'white'</span>
<span class="n">dpi</span> <span class="o">=</span> <span class="mi">80</span>
<span class="n">fig</span> <span class="o">=</span> <a href="../../api/_as_gen/matplotlib.pyplot.figure.html#matplotlib.pyplot.figure" title="View documentation for matplotlib.pyplot.figure"><span class="n">plt</span><span class="o">.</span><span class="n">figure</span></a><span class="p">(</span><span class="n">figsize</span><span class="o">=</span><span class="p">(</span><span class="mi">6</span><span class="p">,</span> <span class="mf">1.1</span><span class="p">),</span> <span class="n">dpi</span><span class="o">=</span><span class="n">dpi</span><span class="p">)</span>
<span class="n">fig</span><span class="o">.</span><span class="n">patch</span><span class="o">.</span><span class="n">set_edgecolor</span><span class="p">(</span><span class="n">figcolor</span><span class="p">)</span>
<span class="n">fig</span><span class="o">.</span><span class="n">patch</span><span class="o">.</span><span class="n">set_facecolor</span><span class="p">(</span><span class="n">figcolor</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">add_math_background</span><span class="p">():</span>
<span class="n">ax</span> <span class="o">=</span> <span class="n">fig</span><span class="o">.</span><span class="n">add_axes</span><span class="p">([</span><span class="mf">0.</span><span class="p">,</span> <span class="mf">0.</span><span class="p">,</span> <span class="mf">1.</span><span class="p">,</span> <span class="mf">1.</span><span class="p">])</span>
<span class="n">text</span> <span class="o">=</span> <span class="p">[]</span>
<span class="n">text</span><span class="o">.</span><span class="n">append</span><span class="p">(</span>
<span class="p">(</span><span class="sa">r</span><span class="s2">"$W^{3\beta}_{\delta_1 \rho_1 \sigma_2} = "</span>
<span class="sa">r</span><span class="s2">"U^{3\beta}_{\delta_1 \rho_1} + \frac{1}{8 \pi 2}"</span>
<span class="sa">r</span><span class="s2">"\int^{\alpha_2}_{\alpha_2} d \alpha^\prime_2 "</span>
<span class="sa">r</span><span class="s2">"\left[\frac{ U^{2\beta}_{\delta_1 \rho_1} - "</span>
<span class="sa">r</span><span class="s2">"\alpha^\prime_2U^{1\beta}_{\rho_1 \sigma_2} "</span>
<span class="sa">r</span><span class="s2">"}{U^{0\beta}_{\rho_1 \sigma_2}}\right]$"</span><span class="p">,</span> <span class="p">(</span><span class="mf">0.7</span><span class="p">,</span> <span class="mf">0.2</span><span class="p">),</span> <span class="mi">20</span><span class="p">))</span>
<span class="n">text</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="sa">r</span><span class="s2">"$\frac{d\rho}{d t} + \rho \vec{v}\cdot\nabla\vec{v} "</span>
<span class="sa">r</span><span class="s2">"= -\nabla p + \mu\nabla^2 \vec{v} + \rho \vec{g}$"</span><span class="p">,</span>
<span class="p">(</span><span class="mf">0.35</span><span class="p">,</span> <span class="mf">0.9</span><span class="p">),</span> <span class="mi">20</span><span class="p">))</span>
<span class="n">text</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="sa">r</span><span class="s2">"$\int_{-\infty}^\infty e^{-x^2}dx=\sqrt{\pi}$"</span><span class="p">,</span>
<span class="p">(</span><span class="mf">0.15</span><span class="p">,</span> <span class="mf">0.3</span><span class="p">),</span> <span class="mi">25</span><span class="p">))</span>
<span class="n">text</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="sa">r</span><span class="s2">"$F_G = G\frac{m_1m_2}{r^2}$"</span><span class="p">,</span>
<span class="p">(</span><span class="mf">0.85</span><span class="p">,</span> <span class="mf">0.7</span><span class="p">),</span> <span class="mi">30</span><span class="p">))</span>
<span class="k">for</span> <span class="n">eq</span><span class="p">,</span> <span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">),</span> <span class="n">size</span> <span class="ow">in</span> <span class="n">text</span><span class="p">:</span>
<span class="n">ax</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">,</span> <span class="n">eq</span><span class="p">,</span> <span class="n">ha</span><span class="o">=</span><span class="s1">'center'</span><span class="p">,</span> <span class="n">va</span><span class="o">=</span><span class="s1">'center'</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="s2">"#11557c"</span><span class="p">,</span>
<span class="n">alpha</span><span class="o">=</span><span class="mf">0.25</span><span class="p">,</span> <span class="n">transform</span><span class="o">=</span><span class="n">ax</span><span class="o">.</span><span class="n">transAxes</span><span class="p">,</span> <span class="n">fontsize</span><span class="o">=</span><span class="n">size</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">set_axis_off</span><span class="p">()</span>
<span class="k">return</span> <span class="n">ax</span>
<span class="k">def</span> <span class="nf">add_matplotlib_text</span><span class="p">(</span><span class="n">ax</span><span class="p">):</span>
<span class="n">ax</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="mf">0.95</span><span class="p">,</span> <span class="mf">0.5</span><span class="p">,</span> <span class="s1">'matplotlib'</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="s1">'#11557c'</span><span class="p">,</span> <span class="n">fontsize</span><span class="o">=</span><span class="mi">65</span><span class="p">,</span>
<span class="n">ha</span><span class="o">=</span><span class="s1">'right'</span><span class="p">,</span> <span class="n">va</span><span class="o">=</span><span class="s1">'center'</span><span class="p">,</span> <span class="n">alpha</span><span class="o">=</span><span class="mf">1.0</span><span class="p">,</span> <span class="n">transform</span><span class="o">=</span><span class="n">ax</span><span class="o">.</span><span class="n">transAxes</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">add_polar_bar</span><span class="p">():</span>
<span class="n">ax</span> <span class="o">=</span> <span class="n">fig</span><span class="o">.</span><span class="n">add_axes</span><span class="p">([</span><span class="mf">0.025</span><span class="p">,</span> <span class="mf">0.075</span><span class="p">,</span> <span class="mf">0.2</span><span class="p">,</span> <span class="mf">0.85</span><span class="p">],</span> <span class="n">projection</span><span class="o">=</span><span class="s1">'polar'</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">patch</span><span class="o">.</span><span class="n">set_alpha</span><span class="p">(</span><span class="n">axalpha</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">set_axisbelow</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
<span class="n">N</span> <span class="o">=</span> <span class="mi">7</span>
<span class="n">arc</span> <span class="o">=</span> <span class="mf">2.</span> <span class="o">*</span> <span class="n">np</span><span class="o">.</span><span class="n">pi</span>
<span class="n">theta</span> <span class="o">=</span> <a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.arange.html#numpy.arange" title="View documentation for numpy.arange"><span class="n">np</span><span class="o">.</span><span class="n">arange</span></a><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span> <span class="n">arc</span><span class="p">,</span> <span class="n">arc</span><span class="o">/</span><span class="n">N</span><span class="p">)</span>
<span class="n">radii</span> <span class="o">=</span> <span class="mi">10</span> <span class="o">*</span> <a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.array.html#numpy.array" title="View documentation for numpy.array"><span class="n">np</span><span class="o">.</span><span class="n">array</span></a><span class="p">([</span><span class="mf">0.2</span><span class="p">,</span> <span class="mf">0.6</span><span class="p">,</span> <span class="mf">0.8</span><span class="p">,</span> <span class="mf">0.7</span><span class="p">,</span> <span class="mf">0.4</span><span class="p">,</span> <span class="mf">0.5</span><span class="p">,</span> <span class="mf">0.8</span><span class="p">])</span>
<span class="n">width</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">pi</span> <span class="o">/</span> <span class="mi">4</span> <span class="o">*</span> <a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.array.html#numpy.array" title="View documentation for numpy.array"><span class="n">np</span><span class="o">.</span><span class="n">array</span></a><span class="p">([</span><span class="mf">0.4</span><span class="p">,</span> <span class="mf">0.4</span><span class="p">,</span> <span class="mf">0.6</span><span class="p">,</span> <span class="mf">0.8</span><span class="p">,</span> <span class="mf">0.2</span><span class="p">,</span> <span class="mf">0.5</span><span class="p">,</span> <span class="mf">0.3</span><span class="p">])</span>
<span class="n">bars</span> <span class="o">=</span> <span class="n">ax</span><span class="o">.</span><span class="n">bar</span><span class="p">(</span><span class="n">theta</span><span class="p">,</span> <span class="n">radii</span><span class="p">,</span> <span class="n">width</span><span class="o">=</span><span class="n">width</span><span class="p">,</span> <span class="n">bottom</span><span class="o">=</span><span class="mf">0.0</span><span class="p">)</span>
<span class="k">for</span> <span class="n">r</span><span class="p">,</span> <span class="n">bar</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">radii</span><span class="p">,</span> <span class="n">bars</span><span class="p">):</span>
<span class="n">bar</span><span class="o">.</span><span class="n">set_facecolor</span><span class="p">(</span><span class="n">cm</span><span class="o">.</span><span class="n">jet</span><span class="p">(</span><span class="n">r</span><span class="o">/</span><span class="mf">10.</span><span class="p">))</span>
<span class="n">bar</span><span class="o">.</span><span class="n">set_alpha</span><span class="p">(</span><span class="mf">0.6</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">tick_params</span><span class="p">(</span><span class="n">labelbottom</span><span class="o">=</span><span class="bp">False</span><span class="p">,</span> <span class="n">labeltop</span><span class="o">=</span><span class="bp">False</span><span class="p">,</span>
<span class="n">labelleft</span><span class="o">=</span><span class="bp">False</span><span class="p">,</span> <span class="n">labelright</span><span class="o">=</span><span class="bp">False</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">grid</span><span class="p">(</span><span class="n">lw</span><span class="o">=</span><span class="mf">0.8</span><span class="p">,</span> <span class="n">alpha</span><span class="o">=</span><span class="mf">0.9</span><span class="p">,</span> <span class="n">ls</span><span class="o">=</span><span class="s1">'-'</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="s1">'0.5'</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">set_yticks</span><span class="p">(</span><a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.arange.html#numpy.arange" title="View documentation for numpy.arange"><span class="n">np</span><span class="o">.</span><span class="n">arange</span></a><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">9</span><span class="p">,</span> <span class="mi">2</span><span class="p">))</span>
<span class="n">ax</span><span class="o">.</span><span class="n">set_rmax</span><span class="p">(</span><span class="mi">9</span><span class="p">)</span>
<span class="k">if</span> <span class="vm">__name__</span> <span class="o">==</span> <span class="s1">'__main__'</span><span class="p">:</span>
<span class="n">main_axes</span> <span class="o">=</span> <span class="n">add_math_background</span><span class="p">()</span>
<span class="n">add_polar_bar</span><span class="p">()</span>
<span class="n">add_matplotlib_text</span><span class="p">(</span><span class="n">main_axes</span><span class="p">)</span>
<a href="../../api/_as_gen/matplotlib.pyplot.show.html#matplotlib.pyplot.show" title="View documentation for matplotlib.pyplot.show"><span class="n">plt</span><span class="o">.</span><span class="n">show</span></a><span class="p">()</span>
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