t vertices.

<h2><a href="#TOC">&#187;</a><a name="limit">Limitations of merged
facets</a></h2>

<ul>
<li><b>Uneven dimensions</b> --
If one coordinate has a larger absolute value than other
coordinates, it may dominate the effect of roundoff errors on
distance computations.  The same issue occurs if one coordinate has a
narrow range of values compared to another coordinate.  You may use option '<a
href="qh-optq.htm#QbB">QbB</a>' to scale points to the unit cube.
For Delaunay triangulations and Voronoi diag