[Note]" src="../../../../../../../doc/src/images/note.png"></td>
<th align="left">Note</th>
</tr>
<tr><td align="left" valign="top"><p>
            The segment concept is similar to the box concept, defining using another
            tag. However, the box concept assumes the index as <code class="computeroutput"><span class="identifier">min_corner</span></code>,
            <code class="computeroutput"><span class="identifier">max_corner</span></code>, while for
            the segment concept, there is no 