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Yet another algorithm for generalized Voronoï Diagrams

Published: 26 March 2012 Publication History

Abstract

We design and implement an efficient algorithm for the computation of generalized Voronoï Diagrams (VD's) constrained to a given domain. Our framework is general and applicable to any VD-type where the distance field is given by a polynomial. We use the Bernstein form of polynomials to subdivide the domain and isolate bisector domains or domains that contain a Voronoï vertex. Efficiency is due to a filtering process, based on bounding the distance functions over the subdivided domains. The output is a polygonal description of each Voronoï cell up to any user-defined precision.

References

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O. Aichholzer, W. Aigner, F. Aurenhammer, T. Hackl, B. Jüttler, E. Pilgerstorfer, and M. Rabl. Divide-and-conquer algorithms for Voronoï diagrams revisited. Comput. Geom. Theory Appl., 43: 688--699, 2010.
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H. Edelsbrunner and R. Seidel. Voronoï diagrams and arrangements. Discr. and Compt. Geom., 1: 25--44, 1986.
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I. Z. Emiris, E. P. Tsigaridas, and G. M. Tzoumas. Exact Delaunay graph of smooth convex pseudo-circles: general predicates, and implementation for ellipses. In SPM '09, p. 211--222, NY, USA, 2009. ACM.
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G. Farin. Curves and surfaces for CAGD: a practical guide. Morgan Kaufmann Publishers Inc., SF, CA, USA, 2002.
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F. Labelle and J. R. Shewchuk. Anisotropic Voronoï diagrams and guaranteed-quality anisotropic mesh generation. In SCG '03, p. 191--200, NY, USA, 2003. ACM.
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A. Mantzaflaris and B. Mourrain. A subdivision approach to planar semi-algebraic sets. In Geometric Modeling and Processing, vol. 6130 of LNCS, p. 104--123. Springer, 2010.
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B. Mourrain and J. Pavone. Subdivision methods for solving polynomial equations. JSC, 44(3): 292--306, 2009.

Cited By

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  • (2021)Computing the Topology of Voronoï Diagrams of Parallel Half-LinesMathematics in Computer Science10.1007/s11786-021-00508-1Online publication date: 12-Apr-2021

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Published In

cover image ACM Conferences
SAC '12: Proceedings of the 27th Annual ACM Symposium on Applied Computing
March 2012
2179 pages
ISBN:9781450308571
DOI:10.1145/2245276
  • Conference Chairs:
  • Sascha Ossowski,
  • Paola Lecca

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 26 March 2012

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Author Tags

  1. Voronoï Diagram
  2. anisotropic diagram
  3. approximation of surfaces and contours
  4. bisector curve
  5. lower envelope
  6. minimization diagram
  7. subdivision algorithm

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SAC 2012
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SAC 2012: ACM Symposium on Applied Computing
March 26 - 30, 2012
Trento, Italy

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SAC '12 Paper Acceptance Rate 270 of 1,056 submissions, 26%;
Overall Acceptance Rate 1,650 of 6,669 submissions, 25%

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SAC '25
The 40th ACM/SIGAPP Symposium on Applied Computing
March 31 - April 4, 2025
Catania , Italy

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View all
  • (2021)Computing the Topology of Voronoï Diagrams of Parallel Half-LinesMathematics in Computer Science10.1007/s11786-021-00508-1Online publication date: 12-Apr-2021

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