Linear data structures for two types of range search

  • Authors:
  • B Chazelle;H Edelsbrunner

  • Affiliations:
  • Ecole Normale Supérieure, Paris, France and Dept. Comp. Sci., Brown Univ., Providence, RI;Dept. Computer Science, Univ. Illinois at Urbana-Champaign

  • Venue:
  • SCG '86 Proceedings of the second annual symposium on Computational geometry
  • Year:
  • 1986

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Abstract

We present two algorithms for pictures of polyhedral scenes. These algorithms have been conjectured (and used for some time), but only now been verified. The combinatorial algorithm, proposed by Sugihara, uses counts on the incidence structure to characterize pictures which are generically the projection of sharp polyhedral scenes of planes and points. The geometric algorithm, described by Clerk Maxwell and rediscovered in the last decade, uses a reciprocal diagram in the plane to characterize pictures of strict oriented polyhedra in space.