sine.html" title="strategy::distance::haversine">strategy::distance::haversine</a>
</h4></div></div></div>
<p>
          <a class="indexterm" name="idp136241760"></a><a class="indexterm" name="idp136242448"></a><a class="indexterm" name="idp136243136"></a>
Distance calculation for spherical coordinates on a perfect sphere using
          haversine.
        </p>
<h6>
<a name="geometry.reference.strategies.strategy_distance_haversine.h0"></a>
          <span class="phrase"><a name="geometry.reference.strategi