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<section id="airport-terminal-layouts">
<h1>Airport terminal layouts<a class="headerlink" href="#airport-terminal-layouts" title="Link to this heading"></a></h1>
<a class="reference internal image-reference" href="../_images/eham_gates.png"><img alt="Amsterdam airport" class="align-center" src="../_images/eham_gates.png" style="width: 510.59999999999997px; height: 462.0px;" />
</a>
<section id="data-acquisition">
<h2>Data acquisition<a class="headerlink" href="#data-acquisition" title="Link to this heading"></a></h2>
<p>Download nodes, ways and relations with the <code class="docutils literal notranslate"><span class="pre">aeroway</span></code> tag within area marked with IATA code <code class="docutils literal notranslate"><span class="pre">AMS</span></code> (Amsterdam airport). The ICAO code (here <code class="docutils literal notranslate"><span class="pre">EHAM</span></code>) may also be used.</p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span><span class="w"> </span><span class="nn">cartes.osm</span><span class="w"> </span><span class="kn">import</span> <span class="n">Overpass</span>
<span class="n">airport</span> <span class="o">=</span> <span class="n">Overpass</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="n">area</span><span class="o">=</span><span class="nb">dict</span><span class="p">(</span><span class="n">iata</span><span class="o">=</span><span class="s2">"AMS"</span><span class="p">),</span> <span class="n">aeroway</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
</pre></div>
</div>
</section>
<section id="data-preprocessing">
<h2>Data preprocessing<a class="headerlink" href="#data-preprocessing" title="Link to this heading"></a></h2>
<p>None</p>
</section>
<section id="data-visualisation">
<h2>Data visualisation<a class="headerlink" href="#data-visualisation" title="Link to this heading"></a></h2>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span><span class="w"> </span><span class="nn">matplotlib.pyplot</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="nn">plt</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">matplotlib.offsetbox</span><span class="w"> </span><span class="kn">import</span> <span class="n">AnchoredText</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">cartes.crs</span><span class="w"> </span><span class="kn">import</span> <span class="n">Amersfoort</span><span class="p">,</span> <span class="n">PlateCarree</span>
<span class="n">fig</span><span class="p">,</span> <span class="n">ax</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">figsize</span><span class="o">=</span><span class="p">(</span><span class="mi">15</span><span class="p">,</span> <span class="mi">15</span><span class="p">),</span>
<span class="n">subplot_kw</span><span class="o">=</span><span class="nb">dict</span><span class="p">(</span><span class="n">projection</span><span class="o">=</span><span class="n">Amersfoort</span><span class="p">())</span>
<span class="p">)</span>
<span class="n">airport</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span>
<span class="n">ax</span><span class="p">,</span> <span class="n">by</span><span class="o">=</span><span class="s2">"aeroway"</span><span class="p">,</span>
<span class="n">gate</span><span class="o">=</span><span class="nb">dict</span><span class="p">(</span><span class="n">color</span><span class="o">=</span><span class="s2">"C0"</span><span class="p">),</span> <span class="c1"># change default color for gates to C0 blue</span>
<span class="n">tower</span><span class="o">=</span><span class="nb">dict</span><span class="p">(</span><span class="n">markersize</span><span class="o">=</span><span class="mi">3000</span><span class="p">)</span> <span class="c1"># enlarge default size</span>
<span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">spines</span><span class="p">[</span><span class="s2">"geo"</span><span class="p">]</span><span class="o">.</span><span class="n">set_visible</span><span class="p">(</span><span class="kc">False</span><span class="p">)</span>
<span class="c1"># Focus on the terminal area (gates), with a little buffer (in terms of lat/lon degrees)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">set_extent</span><span class="p">(</span><span class="n">airport</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="s1">'aeroway=="gate"'</span><span class="p">),</span> <span class="n">buffer</span><span class="o">=</span><span class="mf">1e-3</span><span class="p">)</span>
<span class="c1"># This is about some semi-automatic placement of text labels</span>
<span class="k">def</span><span class="w"> </span><span class="nf">horizontal</span><span class="p">(</span><span class="n">name</span><span class="p">):</span>
<span class="k">if</span> <span class="n">name</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="ow">in</span> <span class="s2">"BCMH"</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">int</span><span class="p">(</span><span class="n">name</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">])</span> <span class="o">&</span> <span class="mi">1</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span> <span class="k">return</span> <span class="s2">"right"</span>
<span class="k">if</span> <span class="n">name</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="ow">in</span> <span class="s2">"EFG"</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">int</span><span class="p">(</span><span class="n">name</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">])</span> <span class="o">&</span> <span class="mi">1</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> <span class="k">return</span> <span class="s2">"right"</span>
<span class="k">return</span> <span class="s2">"left"</span>
<span class="k">def</span><span class="w"> </span><span class="nf">vertical</span><span class="p">(</span><span class="n">name</span><span class="p">):</span>
<span class="k">if</span> <span class="n">name</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="ow">in</span> <span class="s2">" D"</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">int</span><span class="p">(</span><span class="n">name</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">])</span> <span class="o">&</span> <span class="mi">1</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> <span class="k">return</span> <span class="s2">"bottom"</span>
<span class="k">if</span> <span class="n">name</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="ow">in</span> <span class="s2">"MH"</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">int</span><span class="p">(</span><span class="n">name</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">])</span> <span class="o">&</span> <span class="mi">1</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span> <span class="k">return</span> <span class="s2">"bottom"</span>
<span class="k">return</span> <span class="s2">"top"</span>
<span class="n">style</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">(</span>
<span class="n">transform</span><span class="o">=</span><span class="n">PlateCarree</span><span class="p">(),</span>
<span class="n">color</span><span class="o">=</span><span class="s2">"white"</span><span class="p">,</span> <span class="n">fontsize</span><span class="o">=</span><span class="mi">16</span><span class="p">,</span>
<span class="n">fontweight</span><span class="o">=</span><span class="s2">"bold"</span><span class="p">,</span> <span class="n">font</span><span class="o">=</span><span class="s2">"Frutiger"</span><span class="p">,</span> <span class="c1"># what else?</span>
<span class="n">bbox</span><span class="o">=</span><span class="nb">dict</span><span class="p">(</span><span class="n">facecolor</span><span class="o">=</span><span class="s2">"C0"</span><span class="p">,</span> <span class="n">edgecolor</span><span class="o">=</span><span class="s2">"none"</span><span class="p">,</span> <span class="n">boxstyle</span><span class="o">=</span><span class="s2">"round"</span><span class="p">),</span>
<span class="p">)</span>
<span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">elt</span> <span class="ow">in</span> <span class="n">airport</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="s1">'aeroway == "gate"'</span><span class="p">)</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">iterrows</span><span class="p">():</span>
<span class="k">if</span> <span class="n">elt</span><span class="o">.</span><span class="n">ref</span> <span class="o">==</span> <span class="n">elt</span><span class="o">.</span><span class="n">ref</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">elt</span><span class="o">.</span><span class="n">longitude</span><span class="p">,</span> <span class="n">elt</span><span class="o">.</span><span class="n">latitude</span><span class="p">,</span> <span class="n">elt</span><span class="o">.</span><span class="n">ref</span><span class="o">.</span><span class="n">center</span><span class="p">(</span><span class="mi">3</span><span class="p">),</span>
<span class="n">ha</span><span class="o">=</span><span class="n">horizontal</span><span class="p">(</span><span class="n">elt</span><span class="o">.</span><span class="n">ref</span><span class="p">),</span> <span class="n">va</span><span class="o">=</span><span class="n">vertical</span><span class="p">(</span><span class="n">elt</span><span class="o">.</span><span class="n">ref</span><span class="p">),</span>
<span class="n">rotation</span><span class="o">=</span><span class="mi">45</span> <span class="k">if</span> <span class="n">elt</span><span class="o">.</span><span class="n">ref</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="s2">"D"</span> <span class="k">else</span> <span class="mi">0</span><span class="p">,</span> <span class="o">**</span><span class="n">style</span>
<span class="p">)</span>
<span class="c1"># Title of the map</span>
<span class="n">text</span> <span class="o">=</span> <span class="n">AnchoredText</span><span class="p">(</span>
<span class="s2">"Amsterdam Schiphol airport"</span><span class="p">,</span>
<span class="n">loc</span><span class="o">=</span><span class="mi">3</span><span class="p">,</span>
<span class="n">prop</span><span class="o">=</span><span class="p">{</span><span class="s2">"size"</span><span class="p">:</span> <span class="mi">24</span><span class="p">,</span> <span class="s2">"fontname"</span><span class="p">:</span> <span class="s2">"Fira Sans"</span><span class="p">,</span> <span class="p">},</span>
<span class="n">frameon</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span>
<span class="p">)</span>
<span class="n">text</span><span class="o">.</span><span class="n">patch</span><span class="o">.</span><span class="n">set_boxstyle</span><span class="p">(</span><span class="s2">"round,pad=0.,rounding_size=0.2"</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">add_artist</span><span class="p">(</span><span class="n">text</span><span class="p">)</span>
</pre></div>
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