ld;">color</span>(color_type
color) const </td>
            <td>Sets the color of
the edge.<br>
Allows to associate the user provided data with the primitive. </td>
          </tr>
          <tr>
            <td style="font-family: Courier New,Courier,monospace;">voronoi_edge_type*
            <span style="font-weight: bold;">rot_next</span>() </td>
            <td>Returns the pointer to the
CCW next edge rotated around the edge start point.<br>
Works for infinite edges as well. </td>
          </tr>
      