Published November 2002 | Version v1
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Perturbations and Vertex Removal in a 3D Delaunay Triangulation

Devillers, Olivier
Teillaud, Monique
Others:
Geometry, algebra, algorithms (GALAAD) ; Inria Sophia Antipolis - Méditerranée (CRISAM) ; Institut National de Recherche en Informatique et en Automatique (Inria)-Institut National de Recherche en Informatique et en Automatique (Inria)-Université Nice Sophia Antipolis (1965 - 2019) (UNS) ; COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Centre National de la Recherche Scientifique (CNRS)
Geometry, Algorithms and Robotics (PRISME) ; Inria Sophia Antipolis - Méditerranée (CRISAM) ; Institut National de Recherche en Informatique et en Automatique (Inria)-Institut National de Recherche en Informatique et en Automatique (Inria)
INRIA

Description

Though Delaunay triangulations are very well known geometric data structures, the problem of the robust removal of a vertex in a three-dimensional Delaunay triangulation is still a problem in practice. We propose a simple method that allows to remove any vertex even when the points are in very degenerate configurations. The solution is available in \cgal\footnote{\texttt- {http://www.cgal.org} (releases 2.3 and 2.4)}.

Additional details

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Created:
December 3, 2022
Modified:
November 22, 2023