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Qhull computes the convex hull, Delaunay triangulation, Voronoi
diagram, halfspace intersection about a point, furthest-site Delaunay
triangulation, and furthest-site Voronoi diagram. The source code runs
in 2-d, 3-d, 4-d, and higher dimensions. It implements the Quickhull
algorithm for computing the convex hull. Qhull handles roundoff errors
from floating point arithmetic. It computes volumes, surface areas,
and approximations to the convex hull.
Qhull does not support constrained Delaunay triangulations, triangulation of
non-convex surfaces, mesh generation of non-convex objects, or medium-sized
inputs in 9-D and higher.
qhull is an optional dependency for the octave package.