
neither clearly below nor clearly above the
facet's hyperplane). Qhull removes coplanar
facets in independent sets sorted by angle.</li>
</ul>
<ul>
<li><b>Redundant vertex. </b>A vertex may have fewer
than three neighboring facets. If so, it is
redundant and may be renamed to an adjacent
vertex without changing the topological
structure.This is called a <em>redundant vertex</em>.
</li>
</ul>
</blockquote>
<p><b>Copyright &copy; 1995-2015 C.B. Barber</b></p>
<hr>
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