</strong></span>: <span class="emphasis"><em>radius</em></span>:
                    radius of the sphere, defaults to 1.0 for the unit sphere
                  </p>
                </td>
</tr></tbody>
</table></div>
<h6>
<a name="geometry.reference.strategies.strategy_distance_haversine.h3"></a>
          <span class="phrase"><a name="geometry.reference.strategies.strategy_distance_haversine.member_function_s_"></a></span><a class="link" href="strategy_distance_haversine.html#geometry.reference.strategies.