"special">;</span> <span class="special">++</span><span class="identifier">i</span> <span class="special">)</span>
    <span class="special">{</span>
        <span class="comment">// create a polygon</span>
        <span class="identifier">shp</span> <span class="identifier">p</span><span class="special">(</span><span class="keyword">new</span> <span class="identifier">polygon</span><span class="special">());</span>
        <span class="keyword">for</span> <span class="special">(</span> <span class="keyword