int 0 is interior to the
original point set, it is interior to the reduced point set. </p>

</blockquote>
<h3><a href="#TOP">&#187;</a><a name="conventions">qdelaunay conventions</a></h3>
<blockquote>

<p>The following terminology is used for Delaunay triangulations
in Qhull for dimension <i>d</i>. The underlying structure is the
lower facets of a convex hull in dimension <i>d+1</i>. For
further information, see <a href="index.html#structure">data
structures</a> and <a href="qconvex.html#conventions">convex