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<h2 class="chapter">29 Geometry</h2>
<p>Much of the geometry code in Octave is based on the Qhull
library<a rel="footnote" href="#fn-1" name="fnd-1"><sup>1</sup></a>.
Some of the documentation for Qhull, particularly for the options that
can be passed to <code>delaunay</code>, <code>voronoi</code> and <code>convhull</code>,
etc., is relevant to Octave users.
<ul class="menu">
<li><a accesskey="1" href="Delaunay-Triangulation.html#Delaunay-Triangulation">Delaunay Triangulation</a>
<li><a accesskey="2" href="Voronoi-Diagrams.html#Voronoi-Diagrams">Voronoi Diagrams</a>
<li><a accesskey="3" href="Convex-Hull.html#Convex-Hull">Convex Hull</a>
<li><a accesskey="4" href="Interpolation-on-Scattered-Data.html#Interpolation-on-Scattered-Data">Interpolation on Scattered Data</a>
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<h4>Footnotes</h4><p class="footnote"><small>[<a name="fn-1" href="#fnd-1">1</a>]</small> Barber, C.B., Dobkin, D.P., and Huhdanpaa, H.T.,
"The Quickhull algorithm for convex hulls," ACM Trans. on Mathematical
Software, 22(4):469–483, Dec 1996, <a href="http://www.qhull.org">http://www.qhull.org</a></p>
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