Localized set operations for solid modeling

  • Authors:
  • Martti Mäntylä;Markku Tamminen

  • Affiliations:
  • Helsinki University of Technology, Laboratory of Information Processing Science, 02150, Espoo 15, Finland;Helsinki University of Technology, Laboratory of Information Processing Science, 02150, Espoo 15, Finland

  • Venue:
  • SIGGRAPH '83 Proceedings of the 10th annual conference on Computer graphics and interactive techniques
  • Year:
  • 1983

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Abstract

Set operation algorithms form an important component of solid modeling systems. Their efficiency can be enhanced by localizing the search for geometric intersections to the region of overlap using a spatial directory. We present an algorithm that employs a three-dimensional extendible cell (EXCELL) directory to the set operation problem, and demonstrate by practical experiments the efficiency and the local nature of the algorithm.