 <td>Voronoi edge type. </td>
          </tr>
          <tr>
            <td
 style="font-family: Courier New,Courier,monospace; font-weight: bold;">vertex_equality_predicate_type
            </td>
            <td>Predicate that returns
true if the two points are considered to be equal.<br>
False otherwise. It is used to unite nearby Voronoi vertices. </td>
          </tr>
        </tbody>
      </table>
      </td>
    </tr>
    <tr>
      <td style="background-color: rgb(238, 238, 238);" nowrap="1">&nbsp;