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<div class="section" id="join-styles">
<span id="sphx-glr-gallery-api-joinstyle-py"></span><h1>Join styles<a class="headerlink" href="#join-styles" title="Permalink to this headline">¶</a></h1>
<p>Illustrate the three different join styles</p>
<img alt="../../_images/sphx_glr_joinstyle_001.png" class="align-center" src="../../_images/sphx_glr_joinstyle_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.pyplot</span> <span class="kn">as</span> <span class="nn">plt</span>
<span class="k">def</span> <span class="nf">plot_angle</span><span class="p">(</span><span class="n">ax</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">angle</span><span class="p">,</span> <span class="n">style</span><span class="p">):</span>
<span class="n">phi</span> <span class="o">=</span> <a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.radians.html#numpy.radians" title="View documentation for numpy.radians"><span class="n">np</span><span class="o">.</span><span class="n">radians</span></a><span class="p">(</span><span class="n">angle</span><span class="p">)</span>
<span class="n">xx</span> <span class="o">=</span> <span class="p">[</span><span class="n">x</span> <span class="o">+</span> <span class="o">.</span><span class="mi">5</span><span class="p">,</span> <span class="n">x</span><span class="p">,</span> <span class="n">x</span> <span class="o">+</span> <span class="o">.</span><span class="mi">5</span><span class="o">*</span><a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.cos.html#numpy.cos" title="View documentation for numpy.cos"><span class="n">np</span><span class="o">.</span><span class="n">cos</span></a><span class="p">(</span><span class="n">phi</span><span class="p">)]</span>
<span class="n">yy</span> <span class="o">=</span> <span class="p">[</span><span class="n">y</span><span class="p">,</span> <span class="n">y</span><span class="p">,</span> <span class="n">y</span> <span class="o">+</span> <span class="o">.</span><span class="mi">5</span><span class="o">*</span><a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.sin.html#numpy.sin" title="View documentation for numpy.sin"><span class="n">np</span><span class="o">.</span><span class="n">sin</span></a><span class="p">(</span><span class="n">phi</span><span class="p">)]</span>
<span class="n">ax</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span><span class="n">xx</span><span class="p">,</span> <span class="n">yy</span><span class="p">,</span> <span class="n">lw</span><span class="o">=</span><span class="mi">8</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="s1">'blue'</span><span class="p">,</span> <span class="n">solid_joinstyle</span><span class="o">=</span><span class="n">style</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span><span class="n">xx</span><span class="p">[</span><span class="mi">1</span><span class="p">:],</span> <span class="n">yy</span><span class="p">[</span><span class="mi">1</span><span class="p">:],</span> <span class="n">lw</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="s1">'black'</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span><span class="n">xx</span><span class="p">[</span><span class="mi">1</span><span class="p">::</span><span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="n">yy</span><span class="p">[</span><span class="mi">1</span><span class="p">::</span><span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="n">lw</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="s1">'black'</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span><span class="n">xx</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="mi">2</span><span class="p">],</span> <span class="n">yy</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="mi">2</span><span class="p">],</span> <span class="s1">'o'</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="s1">'red'</span><span class="p">,</span> <span class="n">markersize</span><span class="o">=</span><span class="mi">3</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="o">+</span> <span class="o">.</span><span class="mi">2</span><span class="p">,</span> <span class="s1">'</span><span class="si">%.0f</span><span class="s1"> degrees'</span> <span class="o">%</span> <span class="n">angle</span><span class="p">)</span>
<span class="n">fig</span><span class="p">,</span> <span class="n">ax</span> <span class="o">=</span> <a href="../../api/_as_gen/matplotlib.pyplot.subplots.html#matplotlib.pyplot.subplots" title="View documentation for matplotlib.pyplot.subplots"><span class="n">plt</span><span class="o">.</span><span class="n">subplots</span></a><span class="p">()</span>
<span class="n">ax</span><span class="o">.</span><span class="n">set_title</span><span class="p">(</span><span class="s1">'Join style'</span><span class="p">)</span>
<span class="k">for</span> <span class="n">x</span><span class="p">,</span> <span class="n">style</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(((</span><span class="s1">'miter'</span><span class="p">,</span> <span class="s1">'round'</span><span class="p">,</span> <span class="s1">'bevel'</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="mi">5</span><span class="p">,</span> <span class="n">style</span><span class="p">)</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">5</span><span class="p">):</span>
<span class="n">plot_angle</span><span class="p">(</span><span class="n">ax</span><span class="p">,</span> <span class="n">x</span><span class="p">,</span> <span class="n">i</span><span class="p">,</span> <span class="nb">pow</span><span class="p">(</span><span class="mf">2.0</span><span class="p">,</span> <span class="mi">3</span> <span class="o">+</span> <span class="n">i</span><span class="p">),</span> <span class="n">style</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">set_xlim</span><span class="p">(</span><span class="o">-.</span><span class="mi">5</span><span class="p">,</span> <span class="mf">2.75</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">set_ylim</span><span class="p">(</span><span class="o">-.</span><span class="mi">5</span><span class="p">,</span> <span class="mf">5.5</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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