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<span id="style-sheets-plot-ggplot"></span><h1>style_sheets example code: plot_ggplot.py<a class="headerlink" href="#style-sheets-example-code-plot-ggplot-py" title="Permalink to this headline">¶</a></h1>
<p>(<a class="reference external" href="../../mpl_examples/style_sheets/plot_ggplot.py">Source code</a>, <a class="reference external" href="../../mpl_examples/style_sheets/plot_ggplot.png">png</a>, <a class="reference external" href="../../mpl_examples/style_sheets/plot_ggplot.hires.png">hires.png</a>, <a class="reference external" href="../../mpl_examples/style_sheets/plot_ggplot.pdf">pdf</a>)</p>
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<div class="highlight-python"><div class="highlight"><pre><span class="sd">"""</span>
<span class="sd">This example demonstrates the "ggplot" style, which adjusts the style to</span>
<span class="sd">emulate ggplot_ (a popular plotting package for R_).</span>
<span class="sd">These settings were shamelessly stolen from [1]_ (with permission).</span>
<span class="sd">.. [1] http://www.huyng.com/posts/sane-color-scheme-for-matplotlib/</span>
<span class="sd">.. _ggplot: http://had.co.nz/ggplot/</span>
<span class="sd">.. _R: http://www.r-project.org/</span>
<span class="sd">"""</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.pyplot</span> <span class="kn">as</span> <span class="nn">plt</span>
<span class="n">plt</span><span class="o">.</span><span class="n">style</span><span class="o">.</span><span class="n">use</span><span class="p">(</span><span class="s">'ggplot'</span><span class="p">)</span>
<span class="n">fig</span><span class="p">,</span> <span class="n">axes</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">subplots</span><span class="p">(</span><span class="n">ncols</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="n">nrows</span><span class="o">=</span><span class="mi">2</span><span class="p">)</span>
<span class="n">ax1</span><span class="p">,</span> <span class="n">ax2</span><span class="p">,</span> <span class="n">ax3</span><span class="p">,</span> <span class="n">ax4</span> <span class="o">=</span> <span class="n">axes</span><span class="o">.</span><span class="n">ravel</span><span class="p">()</span>
<span class="c"># scatter plot (Note: `plt.scatter` doesn't use default colors)</span>
<span class="n">x</span><span class="p">,</span> <span class="n">y</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">random</span><span class="o">.</span><span class="n">normal</span><span class="p">(</span><span class="n">size</span><span class="o">=</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">200</span><span class="p">))</span>
<span class="n">ax1</span><span class="o">.</span><span class="n">plot</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="s">'o'</span><span class="p">)</span>
<span class="c"># sinusoidal lines with colors from default color cycle</span>
<span class="n">L</span> <span class="o">=</span> <span class="mi">2</span><span class="o">*</span><span class="n">np</span><span class="o">.</span><span class="n">pi</span>
<span class="n">x</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">linspace</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">L</span><span class="p">)</span>
<span class="n">ncolors</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">plt</span><span class="o">.</span><span class="n">rcParams</span><span class="p">[</span><span class="s">'axes.color_cycle'</span><span class="p">])</span>
<span class="n">shift</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">linspace</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">L</span><span class="p">,</span> <span class="n">ncolors</span><span class="p">,</span> <span class="n">endpoint</span><span class="o">=</span><span class="bp">False</span><span class="p">)</span>
<span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">shift</span><span class="p">:</span>
<span class="n">ax2</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">np</span><span class="o">.</span><span class="n">sin</span><span class="p">(</span><span class="n">x</span> <span class="o">+</span> <span class="n">s</span><span class="p">),</span> <span class="s">'-'</span><span class="p">)</span>
<span class="n">ax2</span><span class="o">.</span><span class="n">margins</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
<span class="c"># bar graphs</span>
<span class="n">x</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="mi">5</span><span class="p">)</span>
<span class="n">y1</span><span class="p">,</span> <span class="n">y2</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">25</span><span class="p">,</span> <span class="n">size</span><span class="o">=</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">5</span><span class="p">))</span>
<span class="n">width</span> <span class="o">=</span> <span class="mf">0.25</span>
<span class="n">ax3</span><span class="o">.</span><span class="n">bar</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y1</span><span class="p">,</span> <span class="n">width</span><span class="p">)</span>
<span class="n">ax3</span><span class="o">.</span><span class="n">bar</span><span class="p">(</span><span class="n">x</span><span class="o">+</span><span class="n">width</span><span class="p">,</span> <span class="n">y2</span><span class="p">,</span> <span class="n">width</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="n">plt</span><span class="o">.</span><span class="n">rcParams</span><span class="p">[</span><span class="s">'axes.color_cycle'</span><span class="p">][</span><span class="mi">2</span><span class="p">])</span>
<span class="n">ax3</span><span class="o">.</span><span class="n">set_xticks</span><span class="p">(</span><span class="n">x</span><span class="o">+</span><span class="n">width</span><span class="p">)</span>
<span class="n">ax3</span><span class="o">.</span><span class="n">set_xticklabels</span><span class="p">([</span><span class="s">'a'</span><span class="p">,</span> <span class="s">'b'</span><span class="p">,</span> <span class="s">'c'</span><span class="p">,</span> <span class="s">'d'</span><span class="p">,</span> <span class="s">'e'</span><span class="p">])</span>
<span class="c"># circles with colors from default color cycle</span>
<span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">color</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">plt</span><span class="o">.</span><span class="n">rcParams</span><span class="p">[</span><span class="s">'axes.color_cycle'</span><span class="p">]):</span>
<span class="n">xy</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">random</span><span class="o">.</span><span class="n">normal</span><span class="p">(</span><span class="n">size</span><span class="o">=</span><span class="mi">2</span><span class="p">)</span>
<span class="n">ax4</span><span class="o">.</span><span class="n">add_patch</span><span class="p">(</span><span class="n">plt</span><span class="o">.</span><span class="n">Circle</span><span class="p">(</span><span class="n">xy</span><span class="p">,</span> <span class="n">radius</span><span class="o">=</span><span class="mf">0.3</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="n">color</span><span class="p">))</span>
<span class="n">ax4</span><span class="o">.</span><span class="n">axis</span><span class="p">(</span><span class="s">'equal'</span><span class="p">)</span>
<span class="n">ax4</span><span class="o">.</span><span class="n">margins</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
<span class="n">plt</span><span class="o">.</span><span class="n">show</span><span class="p">()</span>
</pre></div>
</div>
<p>Keywords: python, matplotlib, pylab, example, codex (see <a class="reference internal" href="../../faq/howto_faq.html#how-to-search-examples"><em>Search examples</em></a>)</p>
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