r,monospace;">
            <span style="font-family: Courier New,Courier,monospace;">&nbsp;&nbsp;&nbsp;
GeometryCategory geometry_category)</span> </td>
            <td style="vertical-align: middle;">Returns true if the
given source
category belongs to the given geometry category.<br>
Returns false otherwise. </td>
          </tr>
        </tbody>
      </table>
      <h1>Voronoi Edge</h1>
A Voronoi edge is a one-dimenstion curve, that contains points
equidistant from the two closest input geometries. The 