acy_geometry_object_model.adaption_of_qpolygon">Adaption
        of QPolygon</a>
      </h3>
<a name="adaption_of_qpolygon_source_code"></a><pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
    <span class="keyword">namespace</span> <span class="identifier">geometry</span> <span class="special">{</span>
        <span class="keyword">namespace</span> <span class="identifier">traits</span> <span class="special">{</span>
    