6</span><span class="special">,</span> <span class="number">4</span><span class="special">&gt;</span> <span class="special">&gt;</span> <span class="identifier">rtree</span><span class="special">;</span>

    <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"filling index with polygons shared pointers:"</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="s