/span><span class="p">:</span>  <span class="c1"># Gaussian output grid</span>
        <span class="n">area</span> <span class="o">=</span> <span class="s1">&#39;G&#39;</span>
        <span class="k">return</span> <span class="n">area</span>

    <span class="c1"># if area was provided decompose area into its 4 components</span>
    <span class="k">if</span> <span class="n">area</span><span class="p">:</span>
        <span class="n">components</span> <span class="o">=</span> <span class="n">area</span><span