Convex hull and voronoi diagram of additively weighted points

  • Authors:
  • Jean-Daniel Boissonnat;Christophe Delage

  • Affiliations:
  • INRIA Sophia-Antipolis, Sophia-Antipolis, France;INRIA Sophia-Antipolis, Sophia-Antipolis, France

  • Venue:
  • ESA'05 Proceedings of the 13th annual European conference on Algorithms
  • Year:
  • 2005

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Abstract

We provide a complete description of dynamic algorithms for constructing convex hulls and Voronoi diagrams of additively weighted points of ${\mathbb R}^{d}$. We present simple algorithms and provide a description of the predicates. The algorithms have been implemented in ${\mathbb R}^{3}$ and experimental results are reported. Our implementation follows the CGAL design and, in particular, is made both robust and efficient through the use of filtered exact arithmetic.