Computing the volume of the union of cubes

  • Authors:
  • Pankaj K. Agarwal;Haim Kaplan;Micha Sharir

  • Affiliations:
  • Duke University, Durham, NC;Tel Aviv University, Tel Aviv, Israel;Tel Aviv University, Tel Aviv, Israel

  • Venue:
  • SCG '07 Proceedings of the twenty-third annual symposium on Computational geometry
  • Year:
  • 2007

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Abstract

Let C be a set of n axis-aligned cubes in R3, and let U(C) denote the union of C. We present an algorithmthat can compute the volume of U(C) in time O(n4/3 log n). The previously best known algorithm, by Overmars and Yap, computes the volume of the union ofany n axis-aligned boxes in R3 in O(n3/2log n) time.