ocator</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span></code> <code class="computeroutput"><span class="identifier">tree</span></code><code class="computeroutput"><span class="special">)</span></code>
</pre>
<h6>
<a name="geometry.reference.spatial_indexes.group__rtree__functions.begin_rtree______const___.h2"></a>
            <span class="phrase"><a name="geometry.reference.spatial_indexes.group__rtree__functions.begin_rtree______const___.return